diff --git a/pos/app.py b/pos/app.py
index fe55968..cb474fd 100644
--- a/pos/app.py
+++ b/pos/app.py
@@ -66,6 +66,18 @@ def create_app():
     def pos_accounting():
         return render_template('accounting.html')
 
+    @app.route('/pos/dashboard')
+    def pos_dashboard():
+        return render_template('dashboard.html')
+
+    @app.route('/pos/config')
+    def pos_config():
+        return render_template('config.html')
+
+    @app.route('/pos/reports')
+    def pos_reports():
+        return render_template('reports.html')
+
     @app.route('/pos/static/<path:filename>')
     def pos_static(filename):
         return send_from_directory('static', filename)
diff --git a/pos/static/js/config.js b/pos/static/js/config.js
new file mode 100644
index 0000000..ea97695
--- /dev/null
+++ b/pos/static/js/config.js
@@ -0,0 +1,139 @@
+// /home/Autopartes/pos/static/js/config.js
+// Config module: branches, employees, theme, system settings
+
+const Config = (() => {
+    const API = '/pos/api/config';
+
+    function token() {
+        return localStorage.getItem('pos_token') || '';
+    }
+
+    function checkAuth() {
+        if (!token()) {
+            window.location.href = '/pos/login';
+            return false;
+        }
+        return true;
+    }
+
+    function headers() {
+        return { 'Authorization': `Bearer ${token()}`, 'Content-Type': 'application/json' };
+    }
+
+    // -------------------------------------------------------------------------
+    // Theme switcher
+    // -------------------------------------------------------------------------
+    function setTheme(theme) {
+        document.documentElement.setAttribute('data-theme', theme);
+        try { localStorage.setItem('nexus-theme', theme); } catch(e) {}
+
+        document.querySelectorAll('.theme-btn').forEach(function(btn) {
+            btn.classList.toggle('is-active', btn.dataset.themeTarget === theme);
+        });
+
+        document.querySelectorAll('.theme-option').forEach(function(opt) {
+            opt.classList.remove('is-selected');
+        });
+        var idx = theme === 'industrial' ? 0 : 1;
+        var opts = document.querySelectorAll('.theme-option');
+        if (opts[idx]) opts[idx].classList.add('is-selected');
+    }
+    window.setTheme = setTheme;
+
+    function selectThemeOption(theme) {
+        setTheme(theme);
+    }
+    window.selectThemeOption = selectThemeOption;
+
+    // -------------------------------------------------------------------------
+    // Live clock
+    // -------------------------------------------------------------------------
+    function updateClock() {
+        var now = new Date();
+        var hh = String(now.getHours()).padStart(2, '0');
+        var mm = String(now.getMinutes()).padStart(2, '0');
+        var el = document.getElementById('live-clock');
+        if (el) el.textContent = hh + ':' + mm;
+    }
+
+    // -------------------------------------------------------------------------
+    // API calls using existing config_bp endpoints
+    // -------------------------------------------------------------------------
+    async function loadBranches() {
+        try {
+            const res = await fetch(`${API}/branches`, { headers: headers() });
+            if (!res.ok) throw new Error('Failed to load branches');
+            return await res.json();
+        } catch (e) {
+            console.error('Config.loadBranches:', e);
+            return [];
+        }
+    }
+
+    async function loadEmployees() {
+        try {
+            const res = await fetch(`${API}/employees`, { headers: headers() });
+            if (!res.ok) throw new Error('Failed to load employees');
+            return await res.json();
+        } catch (e) {
+            console.error('Config.loadEmployees:', e);
+            return [];
+        }
+    }
+
+    async function saveBranch(data) {
+        const res = await fetch(`${API}/branches`, {
+            method: 'POST',
+            headers: headers(),
+            body: JSON.stringify(data)
+        });
+        if (!res.ok) {
+            const err = await res.json().catch(() => ({ error: res.statusText }));
+            throw new Error(err.error || 'Save failed');
+        }
+        return res.json();
+    }
+
+    async function saveEmployee(data) {
+        const res = await fetch(`${API}/employees`, {
+            method: 'POST',
+            headers: headers(),
+            body: JSON.stringify(data)
+        });
+        if (!res.ok) {
+            const err = await res.json().catch(() => ({ error: res.statusText }));
+            throw new Error(err.error || 'Save failed');
+        }
+        return res.json();
+    }
+
+    // -------------------------------------------------------------------------
+    // Init
+    // -------------------------------------------------------------------------
+    function init() {
+        if (!checkAuth()) return;
+
+        // Restore theme
+        try {
+            var saved = localStorage.getItem('nexus-theme');
+            if (saved === 'industrial' || saved === 'modern') {
+                setTheme(saved);
+            }
+        } catch(e) {}
+
+        // Start clock
+        updateClock();
+        setInterval(updateClock, 30000);
+
+        // Load initial data
+        loadBranches();
+        loadEmployees();
+    }
+
+    document.addEventListener('DOMContentLoaded', init);
+
+    return {
+        init, setTheme, selectThemeOption,
+        loadBranches, loadEmployees, saveBranch, saveEmployee
+    };
+})();
diff --git a/pos/static/js/dashboard.js b/pos/static/js/dashboard.js
new file mode 100644
index 0000000..746b910
--- /dev/null
+++ b/pos/static/js/dashboard.js
@@ -0,0 +1,113 @@
+// /home/Autopartes/pos/static/js/dashboard.js
+// Dashboard module: KPIs, charts, summary data
+
+const Dashboard = (() => {
+    function token() {
+        return localStorage.getItem('pos_token') || '';
+    }
+
+    function checkAuth() {
+        if (!token()) {
+            window.location.href = '/pos/login';
+            return false;
+        }
+        return true;
+    }
+
+    function headers() {
+        return { 'Authorization': `Bearer ${token()}`, 'Content-Type': 'application/json' };
+    }
+
+    function fmt(n) {
+        return parseFloat(n || 0).toLocaleString('es-MX', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+    }
+
+    // -------------------------------------------------------------------------
+    // Theme switcher
+    // -------------------------------------------------------------------------
+    function setTheme(theme) {
+        document.documentElement.setAttribute('data-theme', theme);
+        try { localStorage.setItem('nexus-theme', theme); } catch(e) {}
+        const btnInd = document.getElementById('btn-industrial');
+        const btnMod = document.getElementById('btn-modern');
+        if (btnInd) btnInd.classList.toggle('active', theme === 'industrial');
+        if (btnMod) btnMod.classList.toggle('active', theme === 'modern');
+    }
+    window.setTheme = setTheme;
+
+    // -------------------------------------------------------------------------
+    // Sidebar toggle (mobile)
+    // -------------------------------------------------------------------------
+    function toggleSidebar() {
+        const sidebar = document.getElementById('sidebar');
+        const overlay = document.getElementById('sidebar-overlay');
+        if (!sidebar) return;
+        const isOpen = sidebar.classList.contains('open');
+        sidebar.classList.toggle('open', !isOpen);
+        if (overlay) overlay.classList.toggle('open', !isOpen);
+        document.body.style.overflow = isOpen ? '' : 'hidden';
+    }
+    window.toggleSidebar = toggleSidebar;
+
+    function closeSidebar() {
+        const sidebar = document.getElementById('sidebar');
+        const overlay = document.getElementById('sidebar-overlay');
+        if (sidebar) sidebar.classList.remove('open');
+        if (overlay) overlay.classList.remove('open');
+        document.body.style.overflow = '';
+    }
+    window.closeSidebar = closeSidebar;
+
+    window.addEventListener('resize', function() {
+        if (window.innerWidth >= 768) closeSidebar();
+    });
+
+    // -------------------------------------------------------------------------
+    // Period selector
+    // -------------------------------------------------------------------------
+    function setPeriod(btn) {
+        btn.closest('.period-selector').querySelectorAll('.period-btn').forEach(function(b) {
+            b.classList.remove('active');
+        });
+        btn.classList.add('active');
+    }
+    window.setPeriod = setPeriod;
+
+    // -------------------------------------------------------------------------
+    // Placeholder API calls
+    // -------------------------------------------------------------------------
+    async function loadSalesSummary() {
+        // TODO: call /pos/api/cashregister/summary or similar
+    }
+
+    async function loadTopProducts() {
+        // TODO: call /pos/api/inventory/products?sort=sold
+    }
+
+    async function loadRecentSales() {
+        // TODO: call /pos/api/cashregister/recent
+    }
+
+    // -------------------------------------------------------------------------
+    // Init
+    // -------------------------------------------------------------------------
+    function init() {
+        if (!checkAuth()) return;
+
+        // Restore theme
+        try {
+            const saved = localStorage.getItem('nexus-theme');
+            if (saved === 'industrial' || saved === 'modern') {
+                setTheme(saved);
+            }
+        } catch(e) {}
+
+        loadSalesSummary();
+        loadTopProducts();
+        loadRecentSales();
+    }
+
+    document.addEventListener('DOMContentLoaded', init);
+
+    return { init, loadSalesSummary, loadTopProducts, loadRecentSales, setTheme };
+})();
diff --git a/pos/static/js/reports.js b/pos/static/js/reports.js
new file mode 100644
index 0000000..46dec64
--- /dev/null
+++ b/pos/static/js/reports.js
@@ -0,0 +1,99 @@
+// /home/Autopartes/pos/static/js/reports.js
+// Reports module: sales reports, inventory reports, financial reports
+
+const Reports = (() => {
+    function token() {
+        return localStorage.getItem('pos_token') || '';
+    }
+
+    function checkAuth() {
+        if (!token()) {
+            window.location.href = '/pos/login';
+            return false;
+        }
+        return true;
+    }
+
+    function headers() {
+        return { 'Authorization': `Bearer ${token()}`, 'Content-Type': 'application/json' };
+    }
+
+    function fmt(n) {
+        return parseFloat(n || 0).toLocaleString('es-MX', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+    }
+
+    // -------------------------------------------------------------------------
+    // Theme switcher
+    // -------------------------------------------------------------------------
+    function setTheme(theme) {
+        document.documentElement.setAttribute('data-theme', theme);
+        try { localStorage.setItem('nexus-theme', theme); } catch(e) {}
+        var btnInd = document.getElementById('btn-industrial');
+        var btnMod = document.getElementById('btn-modern');
+        if (btnInd) btnInd.classList.toggle('is-active', theme === 'industrial');
+        if (btnMod) btnMod.classList.toggle('is-active', theme === 'modern');
+    }
+    window.setTheme = setTheme;
+
+    // -------------------------------------------------------------------------
+    // Tab switcher
+    // -------------------------------------------------------------------------
+    function switchTab(id, btn) {
+        document.querySelectorAll('.tab-panel').forEach(function(p) { p.classList.remove('is-active'); });
+        document.querySelectorAll('.tab-btn').forEach(function(b) { b.classList.remove('is-active'); });
+        var panel = document.getElementById('panel-' + id);
+        if (panel) panel.classList.add('is-active');
+        if (btn) btn.classList.add('is-active');
+    }
+    window.switchTab = switchTab;
+
+    // -------------------------------------------------------------------------
+    // Live clock
+    // -------------------------------------------------------------------------
+    function updateClock() {
+        var el = document.getElementById('live-clock');
+        if (!el) return;
+        var now = new Date();
+        var pad = function(n) { return String(n).padStart(2, '0'); };
+        el.textContent = pad(now.getHours()) + ':' + pad(now.getMinutes()) + ':' + pad(now.getSeconds());
+    }
+
+    // -------------------------------------------------------------------------
+    // Placeholder API calls
+    // -------------------------------------------------------------------------
+    async function loadSalesReport(params) {
+        // TODO: call /pos/api/cashregister/... with date range
+    }
+
+    async function loadInventoryReport() {
+        // TODO: call /pos/api/inventory/products for stock report
+    }
+
+    async function loadFinancialReport(params) {
+        // TODO: call /pos/api/accounting/... for financial reports
+    }
+
+    // -------------------------------------------------------------------------
+    // Init
+    // -------------------------------------------------------------------------
+    function init() {
+        if (!checkAuth()) return;
+
+        // Restore theme
+        try {
+            var saved = localStorage.getItem('nexus-theme') || 'industrial';
+            setTheme(saved);
+        } catch(e) {}
+
+        // Start clock
+        updateClock();
+        setInterval(updateClock, 1000);
+    }
+
+    document.addEventListener('DOMContentLoaded', init);
+
+    return {
+        init, setTheme, switchTab,
+        loadSalesReport, loadInventoryReport, loadFinancialReport, fmt
+    };
+})();
diff --git a/pos/templates/accounting.html b/pos/templates/accounting.html
index a75d9b3..31524f5 100644
--- a/pos/templates/accounting.html
+++ b/pos/templates/accounting.html
@@ -1,292 +1,2255 @@
 <!DOCTYPE html>
-<html lang="es">
+<html lang="es" data-theme="industrial">
 <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Contabilidad - Nexus POS</title>
-    <link rel="stylesheet" href="/pos/static/css/common.css">
-    <style>
-        .tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1rem; flex-wrap: wrap; }
-        .tab { padding: 0.5rem 1rem; cursor: pointer; border: 1px solid transparent;
-               border-bottom: none; border-radius: 6px 6px 0 0; font-size: 0.85rem;
-               color: var(--text-muted); transition: all 0.2s; }
-        .tab:hover { background: var(--bg-hover); color: var(--text); }
-        .tab.active { background: var(--bg); color: var(--primary); border-color: var(--border);
-                      border-bottom: 2px solid var(--bg); margin-bottom: -2px; font-weight: 600; }
-        .tab-content { display: none; }
-        .tab-content.active { display: block; }
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Contabilidad — Nexus Autoparts POS</title>
+  <link rel="stylesheet" href="/pos/static/css/tokens.css" />
 
-        /* Accounts tree */
-        .tree { list-style: none; padding-left: 0; }
-        .tree ul { list-style: none; padding-left: 1.5rem; }
-        .tree li { padding: 0.25rem 0; }
-        .tree-toggle { cursor: pointer; user-select: none; }
-        .tree-toggle::before { content: '\25B6'; display: inline-block; width: 1rem;
-                               font-size: 0.7rem; transition: transform 0.2s; }
-        .tree-toggle.open::before { transform: rotate(90deg); }
-        .tree-code { font-family: monospace; color: var(--text-muted); margin-right: 0.5rem;
-                     font-size: 0.85rem; }
-        .tree-balance { float: right; font-family: monospace; font-weight: 600; }
-        .tree-balance.negative { color: var(--danger); }
+  <style>
+    /* =========================================================================
+       BASE RESET & SHELL
+       ========================================================================= */
 
-        /* Report tables */
-        .report-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
-        .report-table th { text-align: left; padding: 0.5rem; border-bottom: 2px solid var(--border);
-                           font-weight: 600; color: var(--text-muted); font-size: 0.8rem;
-                           text-transform: uppercase; }
-        .report-table td { padding: 0.5rem; border-bottom: 1px solid var(--border-light); }
-        .report-table .amount { text-align: right; font-family: monospace; }
-        .report-table .total-row { font-weight: 700; border-top: 2px solid var(--border); }
-        .report-table .subtotal-row { font-weight: 600; background: var(--bg-subtle); }
+    *, *::before, *::after {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
 
-        /* Period selector */
-        .period-selector { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
-        .period-selector select, .period-selector input { padding: 0.4rem 0.5rem; border: 1px solid var(--border);
-                                                          border-radius: 4px; font-size: 0.9rem; }
+    html, body {
+      height: 100%;
+    }
 
-        /* Entry detail */
-        .entry-lines { margin-top: 0.5rem; }
-        .entry-header { display: flex; justify-content: space-between; align-items: center;
-                        padding: 0.5rem; background: var(--bg-subtle); border-radius: 4px;
-                        margin-bottom: 0.5rem; }
+    body {
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+      background-color: var(--color-bg-base);
+      transition: background-color var(--duration-normal) var(--ease-in-out),
+                  color var(--duration-normal) var(--ease-in-out);
+      overflow: hidden;
+    }
 
-        /* Status badges */
-        .badge { padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
-        .badge-open { background: #dcfce7; color: #166534; }
-        .badge-closed { background: #fee2e2; color: #991b1b; }
+    [data-theme="modern"] body {
+      background-color: var(--color-bg-base);
+      background-image: radial-gradient(
+        circle,
+        var(--dot-grid-color) 1px,
+        transparent 1px
+      );
+      background-size: var(--dot-grid-size) var(--dot-grid-size);
+    }
 
-        /* Form grid */
-        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1rem; }
-        .form-group { display: flex; flex-direction: column; gap: 0.25rem; }
-        .form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
-        .form-group input, .form-group select, .form-group textarea {
-            padding: 0.4rem 0.5rem; border: 1px solid var(--border); border-radius: 4px;
-            font-size: 0.9rem; }
+    /* =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= */
 
-        /* Modal */
-        .modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
-                         background: rgba(0,0,0,0.5); z-index: 1000; align-items: center;
-                         justify-content: center; }
-        .modal-overlay.active { display: flex; }
-        .modal { background: var(--bg); padding: 1.5rem; border-radius: 8px; width: 90%;
-                 max-width: 600px; max-height: 80vh; overflow-y: auto; }
-        .modal h3 { margin-top: 0; }
+    .theme-bar {
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      z-index: var(--z-toast);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 var(--space-5);
+      background: var(--color-bg-overlay);
+      border-bottom: 1px solid var(--color-border);
+      backdrop-filter: blur(10px);
+      height: 36px;
+    }
 
-        /* Lines editor */
-        .lines-table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
-        .lines-table th { text-align: left; font-size: 0.8rem; padding: 0.3rem; }
-        .lines-table td { padding: 0.3rem; }
-        .lines-table input, .lines-table select { width: 100%; padding: 0.3rem; border: 1px solid var(--border);
-                                                   border-radius: 3px; font-size: 0.85rem; }
-    </style>
+    [data-theme="industrial"] .theme-bar {
+      background: rgba(13, 13, 13, 0.95);
+      border-bottom-color: var(--color-primary-muted);
+    }
+
+    .theme-bar__left {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .theme-bar__store {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.75rem;
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-accent);
+    }
+
+    .theme-bar__dot {
+      width: 6px;
+      height: 6px;
+      background: var(--color-success);
+      border-radius: var(--radius-full);
+      box-shadow: 0 0 6px var(--color-success);
+      animation: blink 2.5s ease-in-out infinite;
+    }
+
+    @keyframes blink {
+      0%, 100% { opacity: 1; }
+      50%       { opacity: 0.35; }
+    }
+
+    .theme-bar__sep {
+      width: 1px;
+      height: 16px;
+      background: var(--color-border);
+    }
+
+    .theme-bar__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .theme-bar__right {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .theme-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-1);
+      padding: 2px var(--space-3);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-full);
+      background: transparent;
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .theme-btn:hover {
+      border-color: var(--color-primary);
+      color: var(--color-primary);
+    }
+
+    .theme-btn.is-active {
+      background: var(--color-primary);
+      border-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .theme-btn__swatch {
+      width: 8px;
+      height: 8px;
+      border-radius: var(--radius-full);
+    }
+
+    .theme-btn--industrial .theme-btn__swatch { background: #F5A623; }
+    .theme-btn--modern    .theme-btn__swatch  { background: #FF6B35; }
+
+    /* =========================================================================
+       APP LAYOUT
+       ========================================================================= */
+
+    .app-shell {
+      display: flex;
+      height: 100vh;
+      padding-top: 36px;
+    }
+
+    /* =========================================================================
+       SIDEBAR
+       ========================================================================= */
+
+    .sidebar {
+      width: 260px;
+      flex-shrink: 0;
+      display: flex;
+      flex-direction: column;
+      background: var(--color-bg-elevated);
+      border-right: 1px solid var(--color-border);
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .sidebar::-webkit-scrollbar       { width: 4px; }
+    .sidebar::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    .sidebar__brand {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-4) var(--space-4) var(--space-3);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    .brand-logo {
+      width: 36px;
+      height: 36px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.125rem;
+      letter-spacing: -0.04em;
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .brand-logo {
+      clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
+    }
+
+    [data-theme="modern"] .brand-logo {
+      border-radius: var(--radius-md);
+    }
+
+    .brand-name__primary {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.9375rem;
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      color: var(--color-text-primary);
+      line-height: 1;
+    }
+
+    .brand-name__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      margin-top: 2px;
+    }
+
+    .sidebar__nav {
+      flex: 1;
+      padding: var(--space-3) 0;
+    }
+
+    .nav-section-label {
+      padding: var(--space-3) var(--space-4) var(--space-1);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .nav-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-2) var(--space-4);
+      color: var(--color-text-secondary);
+      text-decoration: none;
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      border-left: 3px solid transparent;
+      transition: var(--transition-fast);
+      cursor: pointer;
+    }
+
+    .nav-item:hover {
+      background: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .nav-item.is-active {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      border-left-color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .nav-item__icon {
+      width: 18px;
+      height: 18px;
+      flex-shrink: 0;
+      opacity: 0.7;
+    }
+
+    .nav-item.is-active .nav-item__icon {
+      opacity: 1;
+    }
+
+    .sidebar__footer {
+      padding: var(--space-3) var(--space-4);
+      border-top: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .sidebar__user-avatar {
+      width: 28px;
+      height: 28px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-bold);
+      flex-shrink: 0;
+    }
+
+    .sidebar__user-info { flex: 1; overflow: hidden; }
+
+    .sidebar__user-name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .sidebar__user-role {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    /* =========================================================================
+       MAIN CONTENT
+       ========================================================================= */
+
+    .main {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      overflow: hidden;
+      min-width: 0;
+    }
+
+    .page-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .page-header {
+      background: var(--color-surface-1);
+    }
+
+    .page-header__title-group { display: flex; flex-direction: column; gap: 2px; }
+
+    .page-header__eyebrow {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .page-header__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+      letter-spacing: var(--heading-tracking-h4);
+      color: var(--color-text-primary);
+      line-height: 1.2;
+    }
+
+    [data-theme="industrial"] .page-header__title {
+      text-transform: uppercase;
+    }
+
+    .page-header__actions {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    /* ---- Summary Cards ---- */
+
+    .summary-strip {
+      display: grid;
+      grid-template-columns: repeat(4, 1fr);
+      gap: var(--space-4);
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-base);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    [data-theme="modern"] .summary-strip {
+      background: transparent;
+    }
+
+    .summary-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      display: flex;
+      align-items: flex-start;
+      gap: var(--space-3);
+      box-shadow: var(--shadow-sm);
+      transition: var(--transition-normal);
+    }
+
+    .summary-card:hover {
+      box-shadow: var(--shadow-md);
+      border-color: var(--color-border-strong);
+    }
+
+    [data-theme="industrial"] .summary-card {
+      border-left: 3px solid var(--color-primary);
+    }
+
+    [data-theme="modern"] .summary-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .summary-card__icon {
+      width: 38px;
+      height: 38px;
+      border-radius: var(--radius-md);
+      background: var(--color-primary-muted);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .summary-card__icon svg {
+      width: 20px;
+      height: 20px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .summary-card__icon--success { background: rgba(34,197,94,.12); }
+    .summary-card__icon--success svg { stroke: var(--color-success); }
+    .summary-card__icon--error { background: rgba(239,68,68,.12); }
+    .summary-card__icon--error svg { stroke: var(--color-error); }
+    .summary-card__icon--warning { background: rgba(234,179,8,.12); }
+    .summary-card__icon--warning svg { stroke: var(--color-warning); }
+
+    .summary-card__body { flex: 1; min-width: 0; }
+
+    .summary-card__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      margin-bottom: var(--space-1);
+    }
+
+    .summary-card__value {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.5rem;
+      color: var(--color-text-primary);
+      line-height: 1.1;
+    }
+
+    .summary-card__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    .summary-card__delta {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      margin-top: 2px;
+    }
+
+    .summary-card__delta--up   { color: var(--color-success); }
+    .summary-card__delta--down { color: var(--color-error); }
+
+    /* ---- Tabs Row ---- */
+
+    .tabs-row {
+      display: flex;
+      align-items: stretch;
+      gap: 0;
+      padding: 0 var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+      overflow-x: auto;
+      scrollbar-width: none;
+    }
+
+    .tabs-row::-webkit-scrollbar { display: none; }
+
+    [data-theme="industrial"] .tabs-row {
+      background: var(--color-surface-1);
+    }
+
+    .tab-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: var(--space-3) var(--space-4);
+      border: none;
+      border-bottom: 2px solid transparent;
+      background: transparent;
+      color: var(--color-text-muted);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      white-space: nowrap;
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      position: relative;
+    }
+
+    .tab-btn:hover {
+      color: var(--color-text-primary);
+      background: var(--color-surface-2);
+    }
+
+    .tab-btn.is-active {
+      color: var(--color-primary);
+      border-bottom-color: var(--color-primary);
+    }
+
+    .tab-btn__badge {
+      display: inline-flex;
+      align-items: center;
+      justify-content: center;
+      min-width: 18px;
+      height: 18px;
+      padding: 0 var(--space-1);
+      border-radius: var(--radius-full);
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-bold);
+    }
+
+    .tab-btn.is-active .tab-btn__badge {
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .tab-btn__badge--alert {
+      background: rgba(239,68,68,.15);
+      color: var(--color-error);
+    }
+
+    .tab-btn.is-active .tab-btn__badge--alert {
+      background: var(--color-error);
+      color: #fff;
+    }
+
+    /* ---- Tab Panels ---- */
+
+    .tab-panels {
+      flex: 1;
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .tab-panels::-webkit-scrollbar       { width: 6px; }
+    .tab-panels::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .tab-panels::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    .tab-panel {
+      display: none;
+      padding: var(--space-5) var(--space-6);
+    }
+
+    .tab-panel.is-active {
+      display: block;
+    }
+
+    /* =========================================================================
+       TOOLBAR
+       ========================================================================= */
+
+    .toolbar {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      margin-bottom: var(--space-4);
+      flex-wrap: wrap;
+    }
+
+    .search-box {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      padding: 0 var(--space-3);
+      height: 36px;
+      flex: 1;
+      min-width: 200px;
+      max-width: 360px;
+      transition: var(--transition-fast);
+    }
+
+    .search-box:focus-within {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .search-box svg {
+      width: 15px;
+      height: 15px;
+      stroke: var(--color-text-muted);
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      flex-shrink: 0;
+    }
+
+    .search-box input {
+      flex: 1;
+      background: transparent;
+      border: none;
+      outline: none;
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+    }
+
+    .search-box input::placeholder {
+      color: var(--color-text-muted);
+    }
+
+    .select-filter {
+      height: 36px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      cursor: pointer;
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    .select-filter:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .toolbar__spacer { flex: 1; }
+
+    /* =========================================================================
+       BUTTONS
+       ========================================================================= */
+
+    .btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: 0 var(--space-4);
+      height: 36px;
+      border-radius: var(--radius-md);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      cursor: pointer;
+      border: 1px solid transparent;
+      transition: var(--transition-fast);
+      text-decoration: none;
+      white-space: nowrap;
+    }
+
+    .btn svg {
+      width: 15px;
+      height: 15px;
+      stroke: currentColor;
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+      flex-shrink: 0;
+    }
+
+    .btn--primary {
+      background: var(--btn-primary-bg);
+      color: var(--btn-primary-text);
+      border-color: var(--btn-primary-border);
+    }
+
+    .btn--primary:hover {
+      background: var(--btn-primary-bg-hover);
+    }
+
+    .btn--secondary {
+      background: var(--btn-secondary-bg);
+      color: var(--btn-secondary-text);
+      border-color: var(--btn-secondary-border);
+    }
+
+    .btn--secondary:hover {
+      background: var(--btn-secondary-bg-hover);
+    }
+
+    .btn--ghost {
+      background: var(--btn-ghost-bg);
+      color: var(--btn-ghost-text);
+      border-color: var(--btn-ghost-border);
+    }
+
+    .btn--ghost:hover {
+      background: var(--color-surface-2);
+      border-color: var(--color-border-strong);
+      color: var(--color-text-primary);
+    }
+
+    .btn--danger {
+      background: var(--btn-danger-bg);
+      color: var(--btn-danger-text);
+    }
+
+    .btn--sm {
+      height: 28px;
+      padding: 0 var(--space-3);
+      font-size: var(--text-caption);
+    }
+
+    /* =========================================================================
+       DATA TABLE
+       ========================================================================= */
+
+    .table-wrapper {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .table-wrapper {
+      background: var(--color-bg-overlay);
+    }
+
+    .data-table {
+      width: 100%;
+      border-collapse: collapse;
+      font-size: var(--text-body-sm);
+    }
+
+    .data-table thead {
+      background: var(--color-surface-2);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    [data-theme="industrial"] .data-table thead {
+      background: var(--color-surface-3);
+    }
+
+    .data-table th {
+      padding: var(--space-3) var(--space-4);
+      text-align: left;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      white-space: nowrap;
+    }
+
+    .data-table th:first-child { padding-left: var(--space-5); }
+    .data-table th:last-child  { padding-right: var(--space-5); }
+
+    .data-table tbody tr {
+      border-bottom: 1px solid var(--color-border);
+      transition: background var(--duration-fast) var(--ease-in-out);
+    }
+
+    .data-table tbody tr:last-child {
+      border-bottom: none;
+    }
+
+    .data-table tbody tr:hover {
+      background: var(--color-surface-2);
+    }
+
+    .data-table td {
+      padding: var(--space-3) var(--space-4);
+      color: var(--color-text-secondary);
+      vertical-align: middle;
+    }
+
+    .data-table td:first-child { padding-left: var(--space-5); }
+    .data-table td:last-child  { padding-right: var(--space-5); }
+
+    .data-table .td--primary {
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .data-table .td--mono {
+      font-family: var(--font-mono);
+      font-size: 0.8125rem;
+      color: var(--color-text-accent);
+    }
+
+    .data-table .td--amount {
+      font-family: var(--font-mono);
+      font-size: 0.8125rem;
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .data-table .td--right {
+      text-align: right;
+    }
+
+    /* =========================================================================
+       BADGES
+       ========================================================================= */
+
+    .badge {
+      display: inline-flex;
+      align-items: center;
+      gap: 4px;
+      padding: 2px var(--space-2);
+      border-radius: var(--radius-full);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    .badge::before {
+      content: '';
+      width: 5px;
+      height: 5px;
+      border-radius: var(--radius-full);
+      background: currentColor;
+      flex-shrink: 0;
+    }
+
+    .badge--ok {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .badge--pending {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    .badge--overdue {
+      background: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    .badge--partial {
+      background: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    .badge--info {
+      background: rgba(99, 102, 241, 0.15);
+      color: #818cf8;
+    }
+
+    .badge--closed {
+      background: rgba(115, 115, 115, 0.15);
+      color: var(--color-text-muted);
+    }
+
+    /* =========================================================================
+       PAGINATION
+       ========================================================================= */
+
+    .pagination {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-3) var(--space-5);
+      border-top: 1px solid var(--color-border);
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .pagination__pages {
+      display: flex;
+      align-items: center;
+      gap: var(--space-1);
+    }
+
+    .pagination__btn {
+      width: 28px;
+      height: 28px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-sm);
+      background: transparent;
+      color: var(--color-text-secondary);
+      font-size: var(--text-caption);
+      cursor: pointer;
+      transition: var(--transition-fast);
+    }
+
+    .pagination__btn:hover {
+      border-color: var(--color-primary);
+      color: var(--color-primary);
+    }
+
+    .pagination__btn.is-active {
+      background: var(--color-primary);
+      border-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    /* =========================================================================
+       FINANCIAL CARDS / REPORT PANELS
+       ========================================================================= */
+
+    .finance-grid {
+      display: grid;
+      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+      gap: var(--space-4);
+    }
+
+    .finance-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .finance-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .finance-card__header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-4);
+    }
+
+    .finance-card__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-body);
+      color: var(--color-text-primary);
+      text-transform: uppercase;
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .finance-card__row {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      padding: var(--space-2) 0;
+      border-bottom: 1px solid var(--color-border);
+      font-size: var(--text-body-sm);
+    }
+
+    .finance-card__row:last-child {
+      border-bottom: none;
+    }
+
+    .finance-card__row--total {
+      border-top: 2px solid var(--color-border-strong);
+      border-bottom: none;
+      font-weight: var(--font-weight-bold);
+      padding-top: var(--space-3);
+      margin-top: var(--space-2);
+    }
+
+    .finance-card__row-label {
+      color: var(--color-text-secondary);
+    }
+
+    .finance-card__row-value {
+      font-family: var(--font-mono);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    .finance-card__row-value--positive { color: var(--color-success); }
+    .finance-card__row-value--negative { color: var(--color-error); }
+
+    /* Balance sheet indented rows */
+    .finance-card__row--indent {
+      padding-left: var(--space-5);
+    }
+
+    .finance-card__row--section {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      padding-top: var(--space-3);
+      margin-top: var(--space-2);
+      border-top: 1px solid var(--color-border);
+      border-bottom: none;
+    }
+
+    /* =========================================================================
+       CHART PLACEHOLDER
+       ========================================================================= */
+
+    .chart-placeholder {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-8);
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      gap: var(--space-3);
+      min-height: 200px;
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .chart-placeholder {
+      background: var(--color-bg-overlay);
+    }
+
+    .chart-placeholder svg {
+      width: 48px;
+      height: 48px;
+      stroke: var(--color-text-muted);
+      fill: none;
+      stroke-width: 1.5;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+      opacity: 0.5;
+    }
+
+    .chart-placeholder__label {
+      font-size: var(--text-body-sm);
+      color: var(--color-text-muted);
+      font-style: italic;
+    }
+
+    /* =========================================================================
+       CONCILIATION MATCH ROWS
+       ========================================================================= */
+
+    .match-row {
+      display: grid;
+      grid-template-columns: 1fr auto 1fr;
+      gap: var(--space-4);
+      align-items: center;
+      padding: var(--space-3) var(--space-4);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      margin-bottom: var(--space-3);
+    }
+
+    [data-theme="modern"] .match-row {
+      background: var(--color-bg-overlay);
+    }
+
+    .match-row__side {
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+    }
+
+    .match-row__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      text-transform: uppercase;
+      letter-spacing: var(--tracking-wider);
+    }
+
+    .match-row__amount {
+      font-family: var(--font-mono);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    .match-row__desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-secondary);
+    }
+
+    .match-row__connector {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 36px;
+      height: 36px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary-muted);
+    }
+
+    .match-row__connector svg {
+      width: 18px;
+      height: 18px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+    }
+
+    .match-row--matched {
+      border-color: var(--color-success);
+      background: rgba(34, 197, 94, 0.04);
+    }
+
+    .match-row--unmatched {
+      border-color: var(--color-warning);
+    }
+
+    /* =========================================================================
+       CHECKLIST (Cierre de Mes)
+       ========================================================================= */
+
+    .checklist {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-3);
+    }
+
+    .checklist-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-3) var(--space-4);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      transition: var(--transition-fast);
+    }
+
+    [data-theme="modern"] .checklist-item {
+      background: var(--color-bg-overlay);
+    }
+
+    .checklist-item:hover {
+      border-color: var(--color-border-strong);
+    }
+
+    .checklist-item__check {
+      width: 22px;
+      height: 22px;
+      border-radius: var(--radius-sm);
+      border: 2px solid var(--color-border-strong);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+      cursor: pointer;
+      transition: var(--transition-fast);
+    }
+
+    .checklist-item__check svg {
+      width: 14px;
+      height: 14px;
+      stroke: transparent;
+      stroke-width: 2.5;
+      fill: none;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .checklist-item--done .checklist-item__check {
+      background: var(--color-success);
+      border-color: var(--color-success);
+    }
+
+    .checklist-item--done .checklist-item__check svg {
+      stroke: #fff;
+    }
+
+    .checklist-item__body { flex: 1; }
+
+    .checklist-item__title {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      font-size: var(--text-body-sm);
+    }
+
+    .checklist-item--done .checklist-item__title {
+      text-decoration: line-through;
+      color: var(--color-text-muted);
+    }
+
+    .checklist-item__desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    .checklist-item__badge {
+      flex-shrink: 0;
+    }
+
+    /* =========================================================================
+       SECTION HEADER (within tabs)
+       ========================================================================= */
+
+    .section-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-4);
+    }
+
+    .section-title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-h5);
+      color: var(--color-text-primary);
+      letter-spacing: var(--heading-tracking-h5);
+    }
+
+    [data-theme="industrial"] .section-title {
+      text-transform: uppercase;
+    }
+
+    /* =========================================================================
+       RESPONSIVE
+       ========================================================================= */
+
+    @media (max-width: 1024px) {
+      .sidebar { width: 60px; }
+      .brand-name__primary,
+      .brand-name__sub,
+      .nav-section-label,
+      .sidebar__user-info { display: none; }
+      .sidebar__brand { justify-content: center; padding: var(--space-3); }
+      .nav-item { justify-content: center; padding: var(--space-2) var(--space-2); border-left: none; border-bottom: 3px solid transparent; }
+      .nav-item.is-active { border-left: none; border-bottom-color: var(--color-primary); }
+      .sidebar__footer { justify-content: center; }
+      .summary-strip { grid-template-columns: repeat(2, 1fr); }
+    }
+
+    @media (max-width: 768px) {
+      .summary-strip { grid-template-columns: 1fr; }
+      .finance-grid { grid-template-columns: 1fr; }
+    }
+
+  </style>
 </head>
+
 <body>
-    <div class="container">
-        <div class="header">
-            <h1>Contabilidad</h1>
-            <div style="display:flex;gap:0.5rem;">
-                <a href="/pos/sale" class="btn btn-secondary">POS</a>
-                <a href="/pos/invoicing" class="btn btn-secondary">Facturacion</a>
-            </div>
-        </div>
 
-        <div class="tabs">
-            <div class="tab active" data-tab="accounts">Catalogo de Cuentas</div>
-            <div class="tab" data-tab="entries">Polizas</div>
-            <div class="tab" data-tab="trial-balance">Balanza</div>
-            <div class="tab" data-tab="income-statement">Estado de Resultados</div>
-            <div class="tab" data-tab="balance-sheet">Balance General</div>
-            <div class="tab" data-tab="aging">Antiguedad Saldos</div>
-            <div class="tab" data-tab="periods">Periodos</div>
-        </div>
+  <!-- =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= -->
 
-        <!-- Tab: Chart of Accounts -->
-        <div id="tab-accounts" class="tab-content active">
-            <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;">
-                <h2 style="margin:0;">Catalogo de Cuentas</h2>
-                <button class="btn btn-primary" onclick="Accounting.showNewAccountModal()">+ Subcuenta</button>
-            </div>
-            <div id="accounts-tree"></div>
-        </div>
-
-        <!-- Tab: Journal Entries -->
-        <div id="tab-entries" class="tab-content">
-            <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;">
-                <h2 style="margin:0;">Polizas Contables</h2>
-                <button class="btn btn-primary" onclick="Accounting.showNewEntryModal()">+ Poliza Manual</button>
-            </div>
-            <div class="period-selector">
-                <label>Desde:</label>
-                <input type="date" id="entries-from">
-                <label>Hasta:</label>
-                <input type="date" id="entries-to">
-                <select id="entries-type">
-                    <option value="">Todos</option>
-                    <option value="ingreso">Ingreso</option>
-                    <option value="egreso">Egreso</option>
-                    <option value="diario">Diario</option>
-                </select>
-                <button class="btn btn-secondary" onclick="Accounting.loadEntries()">Filtrar</button>
-            </div>
-            <div id="entries-list"></div>
-            <div id="entries-pagination"></div>
-        </div>
-
-        <!-- Tab: Trial Balance -->
-        <div id="tab-trial-balance" class="tab-content">
-            <h2>Balanza de Comprobacion</h2>
-            <div class="period-selector">
-                <label>Anio:</label>
-                <input type="number" id="tb-year" min="2020" max="2030" style="width:80px;">
-                <label>Mes:</label>
-                <select id="tb-month">
-                    <option value="1">Enero</option><option value="2">Febrero</option>
-                    <option value="3">Marzo</option><option value="4">Abril</option>
-                    <option value="5">Mayo</option><option value="6">Junio</option>
-                    <option value="7">Julio</option><option value="8">Agosto</option>
-                    <option value="9">Septiembre</option><option value="10">Octubre</option>
-                    <option value="11">Noviembre</option><option value="12">Diciembre</option>
-                </select>
-                <button class="btn btn-secondary" onclick="Accounting.loadTrialBalance()">Generar</button>
-            </div>
-            <div id="trial-balance-content"></div>
-        </div>
-
-        <!-- Tab: Income Statement -->
-        <div id="tab-income-statement" class="tab-content">
-            <h2>Estado de Resultados</h2>
-            <div class="period-selector">
-                <label>Anio:</label>
-                <input type="number" id="is-year" min="2020" max="2030" style="width:80px;">
-                <label>Mes:</label>
-                <select id="is-month">
-                    <option value="1">Enero</option><option value="2">Febrero</option>
-                    <option value="3">Marzo</option><option value="4">Abril</option>
-                    <option value="5">Mayo</option><option value="6">Junio</option>
-                    <option value="7">Julio</option><option value="8">Agosto</option>
-                    <option value="9">Septiembre</option><option value="10">Octubre</option>
-                    <option value="11">Noviembre</option><option value="12">Diciembre</option>
-                </select>
-                <button class="btn btn-secondary" onclick="Accounting.loadIncomeStatement()">Generar</button>
-            </div>
-            <div id="income-statement-content"></div>
-        </div>
-
-        <!-- Tab: Balance Sheet -->
-        <div id="tab-balance-sheet" class="tab-content">
-            <h2>Balance General</h2>
-            <div class="period-selector">
-                <label>Al dia:</label>
-                <input type="date" id="bs-date">
-                <button class="btn btn-secondary" onclick="Accounting.loadBalanceSheet()">Generar</button>
-            </div>
-            <div id="balance-sheet-content"></div>
-        </div>
-
-        <!-- Tab: Aging -->
-        <div id="tab-aging" class="tab-content">
-            <h2>Antiguedad de Saldos</h2>
-            <div id="aging-content"></div>
-        </div>
-
-        <!-- Tab: Fiscal Periods -->
-        <div id="tab-periods" class="tab-content">
-            <h2>Periodos Fiscales</h2>
-            <div style="margin-bottom:1rem;" id="close-period-form">
-                <div class="period-selector">
-                    <label>Cerrar periodo:</label>
-                    <input type="number" id="cp-year" min="2020" max="2030" style="width:80px;">
-                    <select id="cp-month">
-                        <option value="1">Enero</option><option value="2">Febrero</option>
-                        <option value="3">Marzo</option><option value="4">Abril</option>
-                        <option value="5">Mayo</option><option value="6">Junio</option>
-                        <option value="7">Julio</option><option value="8">Agosto</option>
-                        <option value="9">Septiembre</option><option value="10">Octubre</option>
-                        <option value="11">Noviembre</option><option value="12">Diciembre</option>
-                    </select>
-                    <button class="btn btn-danger" onclick="Accounting.closePeriod()">Cerrar Periodo</button>
-                </div>
-            </div>
-            <div id="periods-list"></div>
-        </div>
+  <div class="theme-bar">
+    <div class="theme-bar__left">
+      <div class="theme-bar__store">
+        <span class="theme-bar__dot"></span>
+        Nexus Autoparts
+      </div>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label">Design System Preview</span>
     </div>
-
-    <!-- New Account Modal -->
-    <div class="modal-overlay" id="new-account-modal">
-        <div class="modal">
-            <h3>Nueva Subcuenta</h3>
-            <div class="form-grid">
-                <div class="form-group">
-                    <label>Codigo</label>
-                    <input type="text" id="na-code" placeholder="110.01">
-                </div>
-                <div class="form-group">
-                    <label>Nombre</label>
-                    <input type="text" id="na-name" placeholder="Caja chica">
-                </div>
-                <div class="form-group">
-                    <label>Cuenta padre</label>
-                    <select id="na-parent"></select>
-                </div>
-                <div class="form-group">
-                    <label>Tipo</label>
-                    <select id="na-type">
-                        <option value="activo">Activo</option>
-                        <option value="pasivo">Pasivo</option>
-                        <option value="capital">Capital</option>
-                        <option value="ingreso">Ingreso</option>
-                        <option value="costo">Costo</option>
-                        <option value="gasto">Gasto</option>
-                    </select>
-                </div>
-            </div>
-            <div style="display:flex;gap:0.5rem;justify-content:flex-end;">
-                <button class="btn btn-secondary" onclick="Accounting.closeModal('new-account-modal')">Cancelar</button>
-                <button class="btn btn-primary" onclick="Accounting.createAccount()">Crear</button>
-            </div>
-        </div>
+    <div class="theme-bar__right">
+      <button class="theme-btn theme-btn--industrial is-active" data-theme-target="industrial" onclick="setTheme('industrial')">
+        <span class="theme-btn__swatch"></span> Industrial
+      </button>
+      <button class="theme-btn theme-btn--modern" data-theme-target="modern" onclick="setTheme('modern')">
+        <span class="theme-btn__swatch"></span> Moderno
+      </button>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label" id="live-clock">--:--</span>
     </div>
+  </div>
 
-    <!-- New Entry Modal -->
-    <div class="modal-overlay" id="new-entry-modal">
-        <div class="modal">
-            <h3>Nueva Poliza Manual</h3>
-            <div class="form-grid">
-                <div class="form-group">
-                    <label>Fecha</label>
-                    <input type="date" id="ne-date">
-                </div>
-                <div class="form-group">
-                    <label>Descripcion</label>
-                    <input type="text" id="ne-description" placeholder="Descripcion de la poliza">
-                </div>
+  <!-- =========================================================================
+       APP SHELL
+       ========================================================================= -->
+
+  <div class="app-shell">
+
+    <!-- SIDEBAR -->
+    <aside class="sidebar">
+      <div class="sidebar__brand">
+        <div class="brand-logo">N</div>
+        <div>
+          <div class="brand-name__primary">Nexus</div>
+          <div class="brand-name__sub">Autoparts</div>
+        </div>
+      </div>
+
+      <nav class="sidebar__nav">
+        <div class="nav-section-label">Principal</div>
+        <a class="nav-item" href="dashboard.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/></svg>
+          Dashboard
+        </a>
+        <a class="nav-item" href="pos.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="2" y1="20" x2="22" y2="20"/></svg>
+          Punto de Venta
+        </a>
+        <a class="nav-item" href="catalogo.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>
+          Catálogo
+        </a>
+
+        <div class="nav-section-label">Operaciones</div>
+        <a class="nav-item" href="inventario.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/></svg>
+          Inventario
+        </a>
+        <a class="nav-item" href="clientes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>
+          Clientes
+        </a>
+
+        <div class="nav-section-label">Finanzas</div>
+        <a class="nav-item" href="facturacion.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/></svg>
+          Facturación
+        </a>
+        <a class="nav-item is-active" href="contabilidad.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="1" x2="12" y2="23"/><path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
+          Contabilidad
+        </a>
+
+        <div class="nav-section-label">Sistema</div>
+        <a class="nav-item" href="reportes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="20" x2="18" y2="10"/><line x1="12" y1="20" x2="12" y2="4"/><line x1="6" y1="20" x2="6" y2="14"/></svg>
+          Reportes
+        </a>
+        <a class="nav-item" href="configuracion.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>
+          Configuración
+        </a>
+      </nav>
+
+      <div class="sidebar__footer">
+        <div class="sidebar__user-avatar">CM</div>
+        <div class="sidebar__user-info">
+          <div class="sidebar__user-name">Carlos M.</div>
+          <div class="sidebar__user-role">Contador</div>
+        </div>
+      </div>
+    </aside>
+
+    <!-- MAIN CONTENT -->
+    <main class="main">
+
+      <!-- Page Header -->
+      <header class="page-header">
+        <div class="page-header__title-group">
+          <span class="page-header__eyebrow">Finanzas</span>
+          <h1 class="page-header__title">Contabilidad</h1>
+        </div>
+        <div class="page-header__actions">
+          <select class="select-filter">
+            <option>Marzo 2026</option>
+            <option>Febrero 2026</option>
+            <option>Enero 2026</option>
+            <option>Diciembre 2025</option>
+          </select>
+          <button class="btn btn--secondary">
+            <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+            Exportar
+          </button>
+          <button class="btn btn--primary">
+            <svg viewBox="0 0 24 24"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
+            Nueva Póliza
+          </button>
+        </div>
+      </header>
+
+      <!-- Summary Strip -->
+      <div class="summary-strip">
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--success">
+            <svg viewBox="0 0 24 24"><line x1="12" y1="1" x2="12" y2="23"/><path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Ingresos Mes</div>
+            <div class="summary-card__value">$2,847,320</div>
+            <div class="summary-card__delta summary-card__delta--up">+12.4% vs mes anterior</div>
+          </div>
+        </div>
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--error">
+            <svg viewBox="0 0 24 24"><polyline points="23 6 13.5 15.5 8.5 10.5 1 18"/><polyline points="17 6 23 6 23 12"/></svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Egresos Mes</div>
+            <div class="summary-card__value">$1,923,480</div>
+            <div class="summary-card__delta summary-card__delta--down">+8.1% vs mes anterior</div>
+          </div>
+        </div>
+        <div class="summary-card">
+          <div class="summary-card__icon">
+            <svg viewBox="0 0 24 24"><rect x="1" y="4" width="22" height="16" rx="2" ry="2"/><line x1="1" y1="10" x2="23" y2="10"/></svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Cuentas por Cobrar</div>
+            <div class="summary-card__value">$438,920</div>
+            <div class="summary-card__sub">23 facturas pendientes</div>
+          </div>
+        </div>
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--warning">
+            <svg viewBox="0 0 24 24"><path d="M10.29 3.86L1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z"/><line x1="12" y1="9" x2="12" y2="13"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Cuentas por Pagar</div>
+            <div class="summary-card__value">$612,750</div>
+            <div class="summary-card__sub">18 facturas · 3 vencidas</div>
+          </div>
+        </div>
+      </div>
+
+      <!-- Tabs -->
+      <div class="tabs-row" role="tablist">
+        <button class="tab-btn is-active" role="tab" aria-selected="true" onclick="switchTab('cxc')">
+          Ctas. por Cobrar <span class="tab-btn__badge">23</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('cxp')">
+          Ctas. por Pagar <span class="tab-btn__badge--alert tab-btn__badge">3</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('balance')">
+          Balance General
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('resultados')">
+          Estado de Resultados
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('flujo')">
+          Flujo de Efectivo
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('conciliacion')">
+          Conciliación Bancaria
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" onclick="switchTab('cierre')">
+          Cierre de Mes
+        </button>
+      </div>
+
+      <!-- Tab Panels -->
+      <div class="tab-panels" id="tab-panels">
+
+        <!-- ===============================================================
+             TAB 1: CUENTAS POR COBRAR
+             =============================================================== -->
+        <div class="tab-panel is-active" id="panel-cxc">
+          <div class="toolbar">
+            <div class="search-box">
+              <svg viewBox="0 0 24 24"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
+              <input type="text" placeholder="Buscar cliente o factura..." />
             </div>
-            <h4>Movimientos</h4>
-            <table class="lines-table">
-                <thead>
-                    <tr><th>Cuenta</th><th style="width:120px;">Cargo</th><th style="width:120px;">Abono</th><th style="width:30px;"></th></tr>
-                </thead>
-                <tbody id="ne-lines"></tbody>
+            <select class="select-filter">
+              <option>Todos los estados</option>
+              <option>Vigente</option>
+              <option>Vencida</option>
+              <option>Parcial</option>
+            </select>
+            <select class="select-filter">
+              <option>Todas las sucursales</option>
+              <option>Matriz</option>
+              <option>Sucursal Norte</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--ghost btn--sm">
+              <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+              Exportar
+            </button>
+          </div>
+
+          <div class="table-wrapper">
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th>Factura</th>
+                  <th>Cliente</th>
+                  <th>Emisión</th>
+                  <th>Vencimiento</th>
+                  <th>Total</th>
+                  <th>Pagado</th>
+                  <th>Saldo</th>
+                  <th>Estado</th>
+                  <th>Acciones</th>
+                </tr>
+              </thead>
+              <tbody>
+                <tr>
+                  <td class="td--mono">FA-2026-0892</td>
+                  <td class="td--primary">Taller Mecánico El Rayo</td>
+                  <td>01/03/2026</td>
+                  <td>31/03/2026</td>
+                  <td class="td--amount">$45,320.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td class="td--amount">$45,320.00</td>
+                  <td><span class="badge badge--pending">Vigente</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Cobrar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">FA-2026-0887</td>
+                  <td class="td--primary">AutoServicio Hernández</td>
+                  <td>25/02/2026</td>
+                  <td>27/03/2026</td>
+                  <td class="td--amount">$23,150.00</td>
+                  <td class="td--amount">$10,000.00</td>
+                  <td class="td--amount">$13,150.00</td>
+                  <td><span class="badge badge--partial">Parcial</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Cobrar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">FA-2026-0879</td>
+                  <td class="td--primary">Refaccionaria López</td>
+                  <td>18/02/2026</td>
+                  <td>20/03/2026</td>
+                  <td class="td--amount">$67,890.00</td>
+                  <td class="td--amount">$67,890.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td><span class="badge badge--ok">Pagada</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Ver</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">FA-2026-0865</td>
+                  <td class="td--primary">Taller Express Monterrey</td>
+                  <td>10/02/2026</td>
+                  <td>12/03/2026</td>
+                  <td class="td--amount">$31,200.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td class="td--amount">$31,200.00</td>
+                  <td><span class="badge badge--overdue">Vencida</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Cobrar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">FA-2026-0851</td>
+                  <td class="td--primary">Grupo Automotriz del Norte</td>
+                  <td>03/02/2026</td>
+                  <td>05/03/2026</td>
+                  <td class="td--amount">$128,450.00</td>
+                  <td class="td--amount">$80,000.00</td>
+                  <td class="td--amount">$48,450.00</td>
+                  <td><span class="badge badge--partial">Parcial</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Cobrar</button></td>
+                </tr>
+              </tbody>
             </table>
-            <button class="btn btn-secondary" onclick="Accounting.addEntryLine()" style="margin-top:0.5rem;">+ Linea</button>
-            <div id="ne-balance" style="margin-top:0.5rem;font-weight:600;"></div>
-            <div style="display:flex;gap:0.5rem;justify-content:flex-end;margin-top:1rem;">
-                <button class="btn btn-secondary" onclick="Accounting.closeModal('new-entry-modal')">Cancelar</button>
-                <button class="btn btn-primary" onclick="Accounting.createEntry()">Guardar</button>
+            <div class="pagination">
+              <span>Mostrando 1-5 de 23 registros</span>
+              <div class="pagination__pages">
+                <button class="pagination__btn">&laquo;</button>
+                <button class="pagination__btn is-active">1</button>
+                <button class="pagination__btn">2</button>
+                <button class="pagination__btn">3</button>
+                <button class="pagination__btn">5</button>
+                <button class="pagination__btn">&raquo;</button>
+              </div>
             </div>
+          </div>
         </div>
-    </div>
 
-    <!-- Entry Detail Modal -->
-    <div class="modal-overlay" id="entry-detail-modal">
-        <div class="modal">
-            <div id="entry-detail-content"></div>
-            <div style="text-align:right;margin-top:1rem;">
-                <button class="btn btn-secondary" onclick="Accounting.closeModal('entry-detail-modal')">Cerrar</button>
+        <!-- ===============================================================
+             TAB 2: CUENTAS POR PAGAR
+             =============================================================== -->
+        <div class="tab-panel" id="panel-cxp">
+          <div class="toolbar">
+            <div class="search-box">
+              <svg viewBox="0 0 24 24"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
+              <input type="text" placeholder="Buscar proveedor o factura..." />
             </div>
-        </div>
-    </div>
+            <select class="select-filter">
+              <option>Todos los estados</option>
+              <option>Vigente</option>
+              <option>Vencida</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--primary btn--sm">
+              <svg viewBox="0 0 24 24"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
+              Registrar Pago
+            </button>
+          </div>
+
+          <div class="table-wrapper">
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th>Factura Prov.</th>
+                  <th>Proveedor</th>
+                  <th>Recepción</th>
+                  <th>Vencimiento</th>
+                  <th>Total</th>
+                  <th>Pagado</th>
+                  <th>Saldo</th>
+                  <th>Estado</th>
+                  <th>Acciones</th>
+                </tr>
+              </thead>
+              <tbody>
+                <tr>
+                  <td class="td--mono">PROV-48291</td>
+                  <td class="td--primary">Distribuidora Automotriz Nacional</td>
+                  <td>05/03/2026</td>
+                  <td>04/04/2026</td>
+                  <td class="td--amount">$234,500.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td class="td--amount">$234,500.00</td>
+                  <td><span class="badge badge--pending">Vigente</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Pagar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">PROV-47830</td>
+                  <td class="td--primary">SKF de México S.A.</td>
+                  <td>20/02/2026</td>
+                  <td>22/03/2026</td>
+                  <td class="td--amount">$89,200.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td class="td--amount">$89,200.00</td>
+                  <td><span class="badge badge--overdue">Vencida</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Pagar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">PROV-47615</td>
+                  <td class="td--primary">Monroe de México</td>
+                  <td>15/02/2026</td>
+                  <td>17/03/2026</td>
+                  <td class="td--amount">$56,780.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td class="td--amount">$56,780.00</td>
+                  <td><span class="badge badge--overdue">Vencida</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Pagar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">PROV-47401</td>
+                  <td class="td--primary">Gates Rubber de México</td>
+                  <td>10/02/2026</td>
+                  <td>12/03/2026</td>
+                  <td class="td--amount">$145,300.00</td>
+                  <td class="td--amount">$100,000.00</td>
+                  <td class="td--amount">$45,300.00</td>
+                  <td><span class="badge badge--partial">Parcial</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Pagar</button></td>
+                </tr>
+                <tr>
+                  <td class="td--mono">PROV-47190</td>
+                  <td class="td--primary">Bosch Autopartes</td>
+                  <td>01/02/2026</td>
+                  <td>03/03/2026</td>
+                  <td class="td--amount">$187,970.00</td>
+                  <td class="td--amount">$187,970.00</td>
+                  <td class="td--amount">$0.00</td>
+                  <td><span class="badge badge--ok">Pagada</span></td>
+                  <td><button class="btn btn--ghost btn--sm">Ver</button></td>
+                </tr>
+              </tbody>
+            </table>
+            <div class="pagination">
+              <span>Mostrando 1-5 de 18 registros</span>
+              <div class="pagination__pages">
+                <button class="pagination__btn">&laquo;</button>
+                <button class="pagination__btn is-active">1</button>
+                <button class="pagination__btn">2</button>
+                <button class="pagination__btn">3</button>
+                <button class="pagination__btn">4</button>
+                <button class="pagination__btn">&raquo;</button>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             TAB 3: BALANCE GENERAL
+             =============================================================== -->
+        <div class="tab-panel" id="panel-balance">
+          <div class="toolbar">
+            <select class="select-filter">
+              <option>Al 31/03/2026</option>
+              <option>Al 28/02/2026</option>
+              <option>Al 31/01/2026</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--ghost btn--sm">
+              <svg viewBox="0 0 24 24"><polyline points="6 9 6 2 18 2 18 9"/><path d="M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2"/><rect x="6" y="14" width="12" height="8"/></svg>
+              Imprimir
+            </button>
+            <button class="btn btn--secondary btn--sm">
+              <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+              Exportar PDF
+            </button>
+          </div>
+
+          <div class="finance-grid" style="grid-template-columns: 1fr 1fr;">
+            <!-- Activos -->
+            <div class="finance-card">
+              <div class="finance-card__header">
+                <div class="finance-card__title">Activos</div>
+              </div>
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Activo Circulante</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Caja y Bancos</span>
+                <span class="finance-card__row-value">$1,234,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Cuentas por Cobrar</span>
+                <span class="finance-card__row-value">$438,920.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Inventarios</span>
+                <span class="finance-card__row-value">$3,456,780.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">IVA por Acreditar</span>
+                <span class="finance-card__row-value">$89,320.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Activo Fijo</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Mobiliario y Equipo</span>
+                <span class="finance-card__row-value">$456,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Equipo de Transporte</span>
+                <span class="finance-card__row-value">$890,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Dep. Acumulada</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$234,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Total Activos</span>
+                <span class="finance-card__row-value">$6,331,020.00</span>
+              </div>
+            </div>
+
+            <!-- Pasivos + Capital -->
+            <div class="finance-card">
+              <div class="finance-card__header">
+                <div class="finance-card__title">Pasivo + Capital</div>
+              </div>
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Pasivo Corto Plazo</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Proveedores</span>
+                <span class="finance-card__row-value">$612,750.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">IVA por Pagar</span>
+                <span class="finance-card__row-value">$156,320.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">ISR por Pagar</span>
+                <span class="finance-card__row-value">$234,180.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Sueldos por Pagar</span>
+                <span class="finance-card__row-value">$189,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Pasivo Largo Plazo</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Préstamo Bancario</span>
+                <span class="finance-card__row-value">$800,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Capital Contable</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Capital Social</span>
+                <span class="finance-card__row-value">$2,500,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Utilidades Acumuladas</span>
+                <span class="finance-card__row-value">$914,430.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Utilidad del Ejercicio</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$923,840.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Total Pasivo + Capital</span>
+                <span class="finance-card__row-value">$6,331,020.00</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             TAB 4: ESTADO DE RESULTADOS
+             =============================================================== -->
+        <div class="tab-panel" id="panel-resultados">
+          <div class="toolbar">
+            <select class="select-filter">
+              <option>Marzo 2026</option>
+              <option>Febrero 2026</option>
+              <option>Enero 2026</option>
+            </select>
+            <select class="select-filter">
+              <option>Mensual</option>
+              <option>Acumulado</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--secondary btn--sm">
+              <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+              Exportar
+            </button>
+          </div>
+
+          <div class="finance-grid" style="grid-template-columns: 1fr;">
+            <div class="finance-card" style="max-width: 700px;">
+              <div class="finance-card__header">
+                <div class="finance-card__title">Estado de Resultados — Marzo 2026</div>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Ingresos</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Ventas de Refacciones</span>
+                <span class="finance-card__row-value">$2,654,820.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Servicios de Instalación</span>
+                <span class="finance-card__row-value">$192,500.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Total Ingresos</span>
+                <span class="finance-card__row-value">$2,847,320.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Costo de Ventas</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Costo de Mercancía Vendida</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$1,423,480.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Utilidad Bruta</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$1,423,840.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Gastos de Operación</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Sueldos y Salarios</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$189,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Renta de Local</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$45,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Servicios (luz, agua, tel)</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$18,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Publicidad y Marketing</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$12,000.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Depreciación</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$19,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Otros Gastos</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$15,500.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Total Gastos Operación</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$300,000.00</span>
+              </div>
+
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Utilidad de Operación</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$1,123,840.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">ISR (30%)</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$200,000.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Utilidad Neta</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$923,840.00</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             TAB 5: FLUJO DE EFECTIVO
+             =============================================================== -->
+        <div class="tab-panel" id="panel-flujo">
+          <div class="toolbar">
+            <select class="select-filter">
+              <option>Marzo 2026</option>
+              <option>Febrero 2026</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--secondary btn--sm">
+              <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+              Exportar
+            </button>
+          </div>
+
+          <div class="finance-grid" style="grid-template-columns: 1fr;">
+            <div class="finance-card" style="max-width: 700px;">
+              <div class="finance-card__header">
+                <div class="finance-card__title">Flujo de Efectivo — Marzo 2026</div>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Actividades de Operación</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Cobros a Clientes</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$2,408,400.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Pagos a Proveedores</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$1,567,200.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Pagos de Nómina</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$189,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Pagos de Impuestos</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$156,320.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Otros Gastos Operativos</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$91,000.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Flujo Neto Operación</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$404,380.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Actividades de Inversión</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Compra de Equipo</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$45,000.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Flujo Neto Inversión</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$45,000.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--section">
+                <span class="finance-card__row-label">Actividades de Financiamiento</span>
+                <span></span>
+              </div>
+              <div class="finance-card__row finance-card__row--indent">
+                <span class="finance-card__row-label">Pago Préstamo Bancario</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$50,000.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label" style="font-weight:var(--font-weight-semibold)">Flujo Neto Financiamiento</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$50,000.00</span>
+              </div>
+
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Incremento Neto en Efectivo</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$309,380.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label">Efectivo Inicial del Periodo</span>
+                <span class="finance-card__row-value">$925,120.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Efectivo Final del Periodo</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$1,234,500.00</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             TAB 6: CONCILIACIÓN BANCARIA
+             =============================================================== -->
+        <div class="tab-panel" id="panel-conciliacion">
+          <div class="toolbar">
+            <select class="select-filter">
+              <option>BBVA — *4521</option>
+              <option>Banorte — *8903</option>
+              <option>Santander — *2156</option>
+            </select>
+            <select class="select-filter">
+              <option>Marzo 2026</option>
+              <option>Febrero 2026</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--secondary btn--sm">
+              <svg viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
+              Importar Estado de Cuenta
+            </button>
+            <button class="btn btn--primary btn--sm">Conciliar Automático</button>
+          </div>
+
+          <div class="section-header">
+            <div class="section-title">Movimientos Conciliados</div>
+            <span class="badge badge--ok">12 coincidencias</span>
+          </div>
+
+          <div class="match-row match-row--matched">
+            <div class="match-row__side">
+              <span class="match-row__label">Sistema</span>
+              <span class="match-row__amount">$45,320.00</span>
+              <span class="match-row__desc">Cobro FA-2026-0879 · Refaccionaria López</span>
+            </div>
+            <div class="match-row__connector">
+              <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+            </div>
+            <div class="match-row__side">
+              <span class="match-row__label">Banco</span>
+              <span class="match-row__amount">$45,320.00</span>
+              <span class="match-row__desc">DEP SPEI · Ref: 2026030145320</span>
+            </div>
+          </div>
+
+          <div class="match-row match-row--matched">
+            <div class="match-row__side">
+              <span class="match-row__label">Sistema</span>
+              <span class="match-row__amount">-$89,200.00</span>
+              <span class="match-row__desc">Pago PROV-47830 · SKF de México</span>
+            </div>
+            <div class="match-row__connector">
+              <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+            </div>
+            <div class="match-row__side">
+              <span class="match-row__label">Banco</span>
+              <span class="match-row__amount">-$89,200.00</span>
+              <span class="match-row__desc">TRANS SPEI · Ref: SKF890322</span>
+            </div>
+          </div>
+
+          <div style="margin-top: var(--space-6);">
+            <div class="section-header">
+              <div class="section-title">Movimientos sin Conciliar</div>
+              <span class="badge badge--partial">4 pendientes</span>
+            </div>
+
+            <div class="match-row match-row--unmatched">
+              <div class="match-row__side">
+                <span class="match-row__label">Sistema</span>
+                <span class="match-row__amount">$12,500.00</span>
+                <span class="match-row__desc">Cobro mostrador · Ticket #4521</span>
+              </div>
+              <div class="match-row__connector" style="background: rgba(234,179,8,.15);">
+                <svg viewBox="0 0 24 24" style="stroke: var(--color-warning);"><line x1="5" y1="12" x2="19" y2="12"/></svg>
+              </div>
+              <div class="match-row__side">
+                <span class="match-row__label">Banco</span>
+                <span class="match-row__amount" style="color: var(--color-text-muted);">Sin coincidencia</span>
+                <span class="match-row__desc">—</span>
+              </div>
+            </div>
+
+            <div class="match-row match-row--unmatched">
+              <div class="match-row__side">
+                <span class="match-row__label">Sistema</span>
+                <span class="match-row__amount" style="color: var(--color-text-muted);">Sin registro</span>
+                <span class="match-row__desc">—</span>
+              </div>
+              <div class="match-row__connector" style="background: rgba(234,179,8,.15);">
+                <svg viewBox="0 0 24 24" style="stroke: var(--color-warning);"><line x1="5" y1="12" x2="19" y2="12"/></svg>
+              </div>
+              <div class="match-row__side">
+                <span class="match-row__label">Banco</span>
+                <span class="match-row__amount">-$3,450.00</span>
+                <span class="match-row__desc">COMISIÓN BANCARIA · Ref: COM032026</span>
+              </div>
+            </div>
+          </div>
+
+          <div style="margin-top: var(--space-6);">
+            <div class="finance-card" style="max-width: 400px;">
+              <div class="finance-card__header">
+                <div class="finance-card__title">Resumen Conciliación</div>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label">Saldo según Banco</span>
+                <span class="finance-card__row-value">$1,248,370.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label">(+) Depósitos en tránsito</span>
+                <span class="finance-card__row-value finance-card__row-value--positive">$12,500.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label">(-) Comisiones no registradas</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">-$3,450.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Saldo Conciliado</span>
+                <span class="finance-card__row-value">$1,257,420.00</span>
+              </div>
+              <div class="finance-card__row">
+                <span class="finance-card__row-label">Saldo según Sistema</span>
+                <span class="finance-card__row-value">$1,234,500.00</span>
+              </div>
+              <div class="finance-card__row finance-card__row--total">
+                <span class="finance-card__row-label">Diferencia</span>
+                <span class="finance-card__row-value finance-card__row-value--negative">$22,920.00</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             TAB 7: CIERRE DE MES
+             =============================================================== -->
+        <div class="tab-panel" id="panel-cierre">
+          <div class="toolbar">
+            <select class="select-filter">
+              <option>Marzo 2026</option>
+              <option>Febrero 2026 (cerrado)</option>
+              <option>Enero 2026 (cerrado)</option>
+            </select>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--primary">
+              <svg viewBox="0 0 24 24"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"/><path d="M7 11V7a5 5 0 0 1 10 0v4"/></svg>
+              Ejecutar Cierre
+            </button>
+          </div>
+
+          <div class="section-header">
+            <div class="section-title">Checklist de Cierre — Marzo 2026</div>
+            <span class="badge badge--partial">5/8 completados</span>
+          </div>
+
+          <div class="checklist">
+            <div class="checklist-item checklist-item--done">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Conciliación bancaria completada</div>
+                <div class="checklist-item__desc">Todas las cuentas bancarias conciliadas al 31/03/2026</div>
+              </div>
+              <span class="badge badge--ok checklist-item__badge">Listo</span>
+            </div>
+
+            <div class="checklist-item checklist-item--done">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Facturas de venta timbradas</div>
+                <div class="checklist-item__desc">142 CFDI emitidos y timbrados correctamente</div>
+              </div>
+              <span class="badge badge--ok checklist-item__badge">Listo</span>
+            </div>
+
+            <div class="checklist-item checklist-item--done">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Inventario físico validado</div>
+                <div class="checklist-item__desc">Conteo completado el 29/03/2026 — 3 ajustes aplicados</div>
+              </div>
+              <span class="badge badge--ok checklist-item__badge">Listo</span>
+            </div>
+
+            <div class="checklist-item checklist-item--done">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Depreciación del mes calculada</div>
+                <div class="checklist-item__desc">Póliza de depreciación POL-2026-0312 generada</div>
+              </div>
+              <span class="badge badge--ok checklist-item__badge">Listo</span>
+            </div>
+
+            <div class="checklist-item checklist-item--done">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Provisiones de nómina registradas</div>
+                <div class="checklist-item__desc">Sueldos, IMSS, Infonavit y SAR provisionados</div>
+              </div>
+              <span class="badge badge--ok checklist-item__badge">Listo</span>
+            </div>
+
+            <div class="checklist-item">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Cálculo de IVA mensual</div>
+                <div class="checklist-item__desc">Determinar IVA trasladado vs IVA acreditable</div>
+              </div>
+              <span class="badge badge--pending checklist-item__badge">Pendiente</span>
+            </div>
+
+            <div class="checklist-item">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Provisión de ISR</div>
+                <div class="checklist-item__desc">Calcular y registrar provisión de ISR del periodo</div>
+              </div>
+              <span class="badge badge--pending checklist-item__badge">Pendiente</span>
+            </div>
+
+            <div class="checklist-item">
+              <div class="checklist-item__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="checklist-item__body">
+                <div class="checklist-item__title">Revisión y aprobación de estados financieros</div>
+                <div class="checklist-item__desc">Balance, Estado de Resultados y Flujo de Efectivo revisados por el contador</div>
+              </div>
+              <span class="badge badge--pending checklist-item__badge">Pendiente</span>
+            </div>
+          </div>
+        </div>
+
+      </div><!-- /tab-panels -->
+    </main>
+  </div><!-- /app-shell -->
+
+  <script src="/pos/static/js/accounting.js"></script>
 
-    <script src="/pos/static/js/accounting.js"></script>
 </body>
 </html>
diff --git a/pos/templates/config.html b/pos/templates/config.html
new file mode 100644
index 0000000..23039b0
--- /dev/null
+++ b/pos/templates/config.html
@@ -0,0 +1,1826 @@
+<!DOCTYPE html>
+<html lang="es" data-theme="industrial">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Configuración — Nexus Autoparts POS</title>
+  <link rel="stylesheet" href="/pos/static/css/tokens.css" />
+
+  <style>
+    /* =========================================================================
+       BASE RESET & SHELL
+       ========================================================================= */
+
+    *, *::before, *::after {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
+
+    html, body {
+      height: 100%;
+    }
+
+    body {
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+      background-color: var(--color-bg-base);
+      transition: background-color var(--duration-normal) var(--ease-in-out),
+                  color var(--duration-normal) var(--ease-in-out);
+      overflow: hidden;
+    }
+
+    [data-theme="modern"] body {
+      background-color: var(--color-bg-base);
+      background-image: radial-gradient(
+        circle,
+        var(--dot-grid-color) 1px,
+        transparent 1px
+      );
+      background-size: var(--dot-grid-size) var(--dot-grid-size);
+    }
+
+    /* =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= */
+
+    .theme-bar {
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      z-index: var(--z-toast);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 var(--space-5);
+      background: var(--color-bg-overlay);
+      border-bottom: 1px solid var(--color-border);
+      backdrop-filter: blur(10px);
+      height: 36px;
+    }
+
+    [data-theme="industrial"] .theme-bar {
+      background: rgba(13, 13, 13, 0.95);
+      border-bottom-color: var(--color-primary-muted);
+    }
+
+    .theme-bar__left {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .theme-bar__store {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.75rem;
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-accent);
+    }
+
+    .theme-bar__dot {
+      width: 6px;
+      height: 6px;
+      background: var(--color-success);
+      border-radius: var(--radius-full);
+      box-shadow: 0 0 6px var(--color-success);
+      animation: blink 2.5s ease-in-out infinite;
+    }
+
+    @keyframes blink {
+      0%, 100% { opacity: 1; }
+      50%       { opacity: 0.35; }
+    }
+
+    .theme-bar__sep {
+      width: 1px;
+      height: 16px;
+      background: var(--color-border);
+    }
+
+    .theme-bar__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .theme-bar__right {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .theme-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-1);
+      padding: 2px var(--space-3);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-full);
+      background: transparent;
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .theme-btn:hover {
+      border-color: var(--color-primary);
+      color: var(--color-primary);
+    }
+
+    .theme-btn.is-active {
+      background: var(--color-primary);
+      border-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .theme-btn__swatch {
+      width: 8px;
+      height: 8px;
+      border-radius: var(--radius-full);
+    }
+
+    .theme-btn--industrial .theme-btn__swatch { background: #F5A623; }
+    .theme-btn--modern    .theme-btn__swatch  { background: #FF6B35; }
+
+    /* =========================================================================
+       APP LAYOUT
+       ========================================================================= */
+
+    .app-shell {
+      display: flex;
+      height: 100vh;
+      padding-top: 36px;
+    }
+
+    /* =========================================================================
+       SIDEBAR
+       ========================================================================= */
+
+    .sidebar {
+      width: 260px;
+      flex-shrink: 0;
+      display: flex;
+      flex-direction: column;
+      background: var(--color-bg-elevated);
+      border-right: 1px solid var(--color-border);
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .sidebar::-webkit-scrollbar       { width: 4px; }
+    .sidebar::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    .sidebar__brand {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-4) var(--space-4) var(--space-3);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    .brand-logo {
+      width: 36px;
+      height: 36px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.125rem;
+      letter-spacing: -0.04em;
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .brand-logo {
+      clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
+    }
+
+    [data-theme="modern"] .brand-logo {
+      border-radius: var(--radius-md);
+    }
+
+    .brand-name__primary {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.9375rem;
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      color: var(--color-text-primary);
+      line-height: 1;
+    }
+
+    .brand-name__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      margin-top: 2px;
+    }
+
+    .sidebar__nav {
+      flex: 1;
+      padding: var(--space-3) 0;
+    }
+
+    .nav-section-label {
+      padding: var(--space-3) var(--space-4) var(--space-1);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .nav-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-2) var(--space-4);
+      color: var(--color-text-secondary);
+      text-decoration: none;
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      border-left: 3px solid transparent;
+      transition: var(--transition-fast);
+      cursor: pointer;
+    }
+
+    .nav-item:hover {
+      background: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .nav-item.is-active {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      border-left-color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .nav-item__icon {
+      width: 18px;
+      height: 18px;
+      flex-shrink: 0;
+      opacity: 0.7;
+    }
+
+    .nav-item.is-active .nav-item__icon {
+      opacity: 1;
+    }
+
+    .sidebar__footer {
+      padding: var(--space-3) var(--space-4);
+      border-top: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .sidebar__user-avatar {
+      width: 28px;
+      height: 28px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-bold);
+      flex-shrink: 0;
+    }
+
+    .sidebar__user-info { flex: 1; overflow: hidden; }
+
+    .sidebar__user-name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .sidebar__user-role {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    /* =========================================================================
+       MAIN CONTENT
+       ========================================================================= */
+
+    .main {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      overflow: hidden;
+      min-width: 0;
+    }
+
+    .page-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .page-header {
+      background: var(--color-surface-1);
+    }
+
+    .page-header__title-group { display: flex; flex-direction: column; gap: 2px; }
+
+    .page-header__eyebrow {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .page-header__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+      letter-spacing: var(--heading-tracking-h4);
+      color: var(--color-text-primary);
+      line-height: 1.2;
+    }
+
+    [data-theme="industrial"] .page-header__title {
+      text-transform: uppercase;
+    }
+
+    .page-header__actions {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    /* =========================================================================
+       SCROLLABLE CONTENT
+       ========================================================================= */
+
+    .content-scroll {
+      flex: 1;
+      overflow-y: auto;
+      padding: var(--space-5) var(--space-6);
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .content-scroll::-webkit-scrollbar       { width: 6px; }
+    .content-scroll::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .content-scroll::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    /* =========================================================================
+       SETTINGS SECTIONS
+       ========================================================================= */
+
+    .settings-section {
+      margin-bottom: var(--space-8);
+    }
+
+    .settings-section__header {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      margin-bottom: var(--space-4);
+      padding-bottom: var(--space-3);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    .settings-section__icon {
+      width: 36px;
+      height: 36px;
+      border-radius: var(--radius-md);
+      background: var(--color-primary-muted);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .settings-section__icon svg {
+      width: 20px;
+      height: 20px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .settings-section__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-h5);
+      color: var(--color-text-primary);
+      letter-spacing: var(--heading-tracking-h5);
+    }
+
+    [data-theme="industrial"] .settings-section__title {
+      text-transform: uppercase;
+    }
+
+    .settings-section__desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    /* =========================================================================
+       SETTINGS CARD
+       ========================================================================= */
+
+    .settings-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+      box-shadow: var(--shadow-sm);
+      margin-bottom: var(--space-4);
+    }
+
+    [data-theme="modern"] .settings-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .settings-card__title {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      margin-bottom: var(--space-4);
+      font-size: var(--text-body);
+    }
+
+    /* =========================================================================
+       FORM ELEMENTS
+       ========================================================================= */
+
+    .form-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-4);
+    }
+
+    .form-group {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-1);
+    }
+
+    .form-group--full {
+      grid-column: 1 / -1;
+    }
+
+    .form-label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .form-input {
+      height: 38px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-base);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      transition: var(--transition-fast);
+      outline: none;
+    }
+
+    [data-theme="modern"] .form-input {
+      background: var(--color-bg-base);
+    }
+
+    .form-input:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .form-input::placeholder {
+      color: var(--color-text-muted);
+    }
+
+    .form-select {
+      height: 38px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-base);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      cursor: pointer;
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    .form-select:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .form-textarea {
+      padding: var(--space-3);
+      background: var(--color-bg-base);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      resize: vertical;
+      min-height: 80px;
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    .form-textarea:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .form-hint {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    /* =========================================================================
+       TOGGLE SWITCH
+       ========================================================================= */
+
+    .toggle-row {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-3) 0;
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    .toggle-row:last-child {
+      border-bottom: none;
+    }
+
+    .toggle-row__info {
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+    }
+
+    .toggle-row__label {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      font-size: var(--text-body-sm);
+    }
+
+    .toggle-row__desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .toggle {
+      position: relative;
+      width: 44px;
+      height: 24px;
+      flex-shrink: 0;
+    }
+
+    .toggle input {
+      opacity: 0;
+      width: 0;
+      height: 0;
+    }
+
+    .toggle__slider {
+      position: absolute;
+      cursor: pointer;
+      inset: 0;
+      background: var(--color-border-strong);
+      border-radius: var(--radius-full);
+      transition: var(--transition-normal);
+    }
+
+    .toggle__slider::before {
+      content: '';
+      position: absolute;
+      height: 18px;
+      width: 18px;
+      left: 3px;
+      bottom: 3px;
+      background: white;
+      border-radius: var(--radius-full);
+      transition: var(--transition-normal);
+      box-shadow: var(--shadow-sm);
+    }
+
+    .toggle input:checked + .toggle__slider {
+      background: var(--color-primary);
+    }
+
+    .toggle input:checked + .toggle__slider::before {
+      transform: translateX(20px);
+    }
+
+    .toggle input:focus + .toggle__slider {
+      box-shadow: var(--shadow-focus);
+    }
+
+    /* =========================================================================
+       THEME SELECTOR (in-app)
+       ========================================================================= */
+
+    .theme-selector {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-4);
+    }
+
+    .theme-option {
+      background: var(--color-bg-base);
+      border: 2px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4);
+      cursor: pointer;
+      transition: var(--transition-normal);
+      position: relative;
+    }
+
+    .theme-option:hover {
+      border-color: var(--color-border-strong);
+    }
+
+    .theme-option.is-selected {
+      border-color: var(--color-primary);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .theme-option__check {
+      position: absolute;
+      top: var(--space-3);
+      right: var(--space-3);
+      width: 22px;
+      height: 22px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary);
+      display: none;
+      align-items: center;
+      justify-content: center;
+    }
+
+    .theme-option.is-selected .theme-option__check {
+      display: flex;
+    }
+
+    .theme-option__check svg {
+      width: 14px;
+      height: 14px;
+      stroke: var(--color-text-inverse);
+      fill: none;
+      stroke-width: 2.5;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .theme-option__preview {
+      height: 100px;
+      border-radius: var(--radius-md);
+      margin-bottom: var(--space-3);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      gap: var(--space-2);
+      position: relative;
+      overflow: hidden;
+    }
+
+    .theme-option__preview--dark {
+      background: #0d0d0d;
+      border: 1px solid #333;
+    }
+
+    .theme-option__preview--light {
+      background: #FFFFFF;
+      border: 1px solid #e2e4f0;
+      background-image: radial-gradient(circle, rgba(26,26,46,0.07) 1px, transparent 1px);
+      background-size: 12px 12px;
+    }
+
+    .theme-option__preview-logo {
+      width: 28px;
+      height: 28px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.875rem;
+    }
+
+    .theme-option__preview-logo--dark {
+      background: #F5A623;
+      color: #000;
+      clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
+    }
+
+    .theme-option__preview-logo--light {
+      background: #FF6B35;
+      color: #fff;
+      border-radius: var(--radius-sm);
+    }
+
+    .theme-option__preview-text {
+      display: flex;
+      flex-direction: column;
+      gap: 4px;
+    }
+
+    .theme-option__preview-bar {
+      height: 4px;
+      border-radius: 2px;
+    }
+
+    .theme-option__preview--dark .theme-option__preview-bar:nth-child(1) { width: 60px; background: #fff; }
+    .theme-option__preview--dark .theme-option__preview-bar:nth-child(2) { width: 40px; background: #888; }
+    .theme-option__preview--dark .theme-option__preview-bar:nth-child(3) { width: 50px; background: #F5A623; }
+
+    .theme-option__preview--light .theme-option__preview-bar:nth-child(1) { width: 60px; background: #1a1a2e; }
+    .theme-option__preview--light .theme-option__preview-bar:nth-child(2) { width: 40px; background: #8080a0; }
+    .theme-option__preview--light .theme-option__preview-bar:nth-child(3) { width: 50px; background: #FF6B35; }
+
+    .theme-option__name {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-body);
+      color: var(--color-text-primary);
+      margin-bottom: 2px;
+    }
+
+    .theme-option__desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .theme-option__colors {
+      display: flex;
+      gap: var(--space-2);
+      margin-top: var(--space-3);
+    }
+
+    .theme-option__swatch {
+      width: 20px;
+      height: 20px;
+      border-radius: var(--radius-sm);
+      border: 1px solid var(--color-border);
+    }
+
+    /* =========================================================================
+       BUTTONS
+       ========================================================================= */
+
+    .btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: 0 var(--space-4);
+      height: 36px;
+      border-radius: var(--radius-md);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      cursor: pointer;
+      border: 1px solid transparent;
+      transition: var(--transition-fast);
+      text-decoration: none;
+      white-space: nowrap;
+    }
+
+    .btn svg {
+      width: 15px;
+      height: 15px;
+      stroke: currentColor;
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+      flex-shrink: 0;
+    }
+
+    .btn--primary {
+      background: var(--btn-primary-bg);
+      color: var(--btn-primary-text);
+      border-color: var(--btn-primary-border);
+    }
+
+    .btn--primary:hover {
+      background: var(--btn-primary-bg-hover);
+    }
+
+    .btn--secondary {
+      background: var(--btn-secondary-bg);
+      color: var(--btn-secondary-text);
+      border-color: var(--btn-secondary-border);
+    }
+
+    .btn--secondary:hover {
+      background: var(--btn-secondary-bg-hover);
+    }
+
+    .btn--ghost {
+      background: var(--btn-ghost-bg);
+      color: var(--btn-ghost-text);
+      border-color: var(--btn-ghost-border);
+    }
+
+    .btn--ghost:hover {
+      background: var(--color-surface-2);
+      border-color: var(--color-border-strong);
+      color: var(--color-text-primary);
+    }
+
+    .btn--danger {
+      background: var(--btn-danger-bg);
+      color: var(--btn-danger-text);
+    }
+
+    .btn--sm {
+      height: 28px;
+      padding: 0 var(--space-3);
+      font-size: var(--text-caption);
+    }
+
+    .btn-group {
+      display: flex;
+      gap: var(--space-3);
+      margin-top: var(--space-5);
+    }
+
+    /* =========================================================================
+       DATA TABLE
+       ========================================================================= */
+
+    .table-wrapper {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .table-wrapper {
+      background: var(--color-bg-overlay);
+    }
+
+    .data-table {
+      width: 100%;
+      border-collapse: collapse;
+      font-size: var(--text-body-sm);
+    }
+
+    .data-table thead {
+      background: var(--color-surface-2);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    [data-theme="industrial"] .data-table thead {
+      background: var(--color-surface-3);
+    }
+
+    .data-table th {
+      padding: var(--space-3) var(--space-4);
+      text-align: left;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      white-space: nowrap;
+    }
+
+    .data-table th:first-child { padding-left: var(--space-5); }
+    .data-table th:last-child  { padding-right: var(--space-5); }
+
+    .data-table tbody tr {
+      border-bottom: 1px solid var(--color-border);
+      transition: background var(--duration-fast) var(--ease-in-out);
+    }
+
+    .data-table tbody tr:last-child { border-bottom: none; }
+
+    .data-table tbody tr:hover {
+      background: var(--color-surface-2);
+    }
+
+    .data-table td {
+      padding: var(--space-3) var(--space-4);
+      color: var(--color-text-secondary);
+      vertical-align: middle;
+    }
+
+    .data-table td:first-child { padding-left: var(--space-5); }
+    .data-table td:last-child  { padding-right: var(--space-5); }
+
+    .data-table .td--primary {
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    /* =========================================================================
+       BADGES
+       ========================================================================= */
+
+    .badge {
+      display: inline-flex;
+      align-items: center;
+      gap: 4px;
+      padding: 2px var(--space-2);
+      border-radius: var(--radius-full);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    .badge::before {
+      content: '';
+      width: 5px;
+      height: 5px;
+      border-radius: var(--radius-full);
+      background: currentColor;
+      flex-shrink: 0;
+    }
+
+    .badge--ok {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .badge--pending {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    .badge--inactive {
+      background: rgba(115, 115, 115, 0.15);
+      color: var(--color-text-muted);
+    }
+
+    .badge--admin {
+      background: rgba(99, 102, 241, 0.15);
+      color: #818cf8;
+    }
+
+    /* =========================================================================
+       USER AVATAR (table)
+       ========================================================================= */
+
+    .user-cell {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .user-cell__avatar {
+      width: 28px;
+      height: 28px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-bold);
+      flex-shrink: 0;
+    }
+
+    .user-cell__name {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    /* =========================================================================
+       PRINTER/DEVICE CARDS
+       ========================================================================= */
+
+    .device-grid {
+      display: grid;
+      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
+      gap: var(--space-4);
+    }
+
+    .device-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      display: flex;
+      align-items: flex-start;
+      gap: var(--space-4);
+      box-shadow: var(--shadow-sm);
+      transition: var(--transition-normal);
+    }
+
+    [data-theme="modern"] .device-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .device-card:hover {
+      box-shadow: var(--shadow-md);
+      border-color: var(--color-border-strong);
+    }
+
+    .device-card__icon {
+      width: 40px;
+      height: 40px;
+      border-radius: var(--radius-md);
+      background: var(--color-primary-muted);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .device-card__icon svg {
+      width: 22px;
+      height: 22px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .device-card__body { flex: 1; }
+
+    .device-card__name {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      margin-bottom: 2px;
+    }
+
+    .device-card__detail {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      display: flex;
+      align-items: center;
+      gap: var(--space-1);
+    }
+
+    .device-card__detail + .device-card__detail {
+      margin-top: 2px;
+    }
+
+    .device-card__actions {
+      margin-top: var(--space-3);
+      display: flex;
+      gap: var(--space-2);
+    }
+
+    /* =========================================================================
+       RESPONSIVE
+       ========================================================================= */
+
+    @media (max-width: 1024px) {
+      .sidebar { width: 60px; }
+      .brand-name__primary,
+      .brand-name__sub,
+      .nav-section-label,
+      .sidebar__user-info { display: none; }
+      .sidebar__brand { justify-content: center; padding: var(--space-3); }
+      .nav-item { justify-content: center; padding: var(--space-2); border-left: none; border-bottom: 3px solid transparent; }
+      .nav-item.is-active { border-left: none; border-bottom-color: var(--color-primary); }
+      .sidebar__footer { justify-content: center; }
+      .form-grid { grid-template-columns: 1fr; }
+      .theme-selector { grid-template-columns: 1fr; }
+    }
+
+    @media (max-width: 768px) {
+      .device-grid { grid-template-columns: 1fr; }
+    }
+
+  </style>
+</head>
+
+<body>
+
+  <!-- =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= -->
+
+  <div class="theme-bar">
+    <div class="theme-bar__left">
+      <div class="theme-bar__store">
+        <span class="theme-bar__dot"></span>
+        Nexus Autoparts
+      </div>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label">Design System Preview</span>
+    </div>
+    <div class="theme-bar__right">
+      <button class="theme-btn theme-btn--industrial is-active" data-theme-target="industrial" onclick="setTheme('industrial')">
+        <span class="theme-btn__swatch"></span> Industrial
+      </button>
+      <button class="theme-btn theme-btn--modern" data-theme-target="modern" onclick="setTheme('modern')">
+        <span class="theme-btn__swatch"></span> Moderno
+      </button>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label" id="live-clock">--:--</span>
+    </div>
+  </div>
+
+  <!-- =========================================================================
+       APP SHELL
+       ========================================================================= -->
+
+  <div class="app-shell">
+
+    <!-- SIDEBAR -->
+    <aside class="sidebar">
+      <div class="sidebar__brand">
+        <div class="brand-logo">N</div>
+        <div>
+          <div class="brand-name__primary">Nexus</div>
+          <div class="brand-name__sub">Autoparts</div>
+        </div>
+      </div>
+
+      <nav class="sidebar__nav">
+        <div class="nav-section-label">Principal</div>
+        <a class="nav-item" href="dashboard.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/></svg>
+          Dashboard
+        </a>
+        <a class="nav-item" href="pos.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="2" y1="20" x2="22" y2="20"/></svg>
+          Punto de Venta
+        </a>
+        <a class="nav-item" href="catalogo.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>
+          Catálogo
+        </a>
+
+        <div class="nav-section-label">Operaciones</div>
+        <a class="nav-item" href="inventario.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/></svg>
+          Inventario
+        </a>
+        <a class="nav-item" href="clientes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>
+          Clientes
+        </a>
+
+        <div class="nav-section-label">Finanzas</div>
+        <a class="nav-item" href="facturacion.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/></svg>
+          Facturación
+        </a>
+        <a class="nav-item" href="contabilidad.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="1" x2="12" y2="23"/><path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
+          Contabilidad
+        </a>
+
+        <div class="nav-section-label">Sistema</div>
+        <a class="nav-item" href="reportes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="20" x2="18" y2="10"/><line x1="12" y1="20" x2="12" y2="4"/><line x1="6" y1="20" x2="6" y2="14"/></svg>
+          Reportes
+        </a>
+        <a class="nav-item is-active" href="configuracion.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>
+          Configuración
+        </a>
+      </nav>
+
+      <div class="sidebar__footer">
+        <div class="sidebar__user-avatar">AM</div>
+        <div class="sidebar__user-info">
+          <div class="sidebar__user-name">Admin</div>
+          <div class="sidebar__user-role">Administrador</div>
+        </div>
+      </div>
+    </aside>
+
+    <!-- MAIN CONTENT -->
+    <main class="main">
+
+      <!-- Page Header -->
+      <header class="page-header">
+        <div class="page-header__title-group">
+          <span class="page-header__eyebrow">Sistema</span>
+          <h1 class="page-header__title">Configuración</h1>
+        </div>
+        <div class="page-header__actions">
+          <button class="btn btn--primary">
+            <svg viewBox="0 0 24 24"><path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/><polyline points="17 21 17 13 7 13 7 21"/><polyline points="7 3 7 8 15 8"/></svg>
+            Guardar Cambios
+          </button>
+        </div>
+      </header>
+
+      <!-- Scrollable Content -->
+      <div class="content-scroll">
+
+        <!-- ===============================================================
+             SECTION 1: APARIENCIA / TEMA
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Apariencia</div>
+              <div class="settings-section__desc">Selecciona el tema visual del sistema</div>
+            </div>
+          </div>
+
+          <div class="theme-selector">
+            <div class="theme-option is-selected" onclick="selectThemeOption('industrial')">
+              <div class="theme-option__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="theme-option__preview theme-option__preview--dark">
+                <div class="theme-option__preview-logo theme-option__preview-logo--dark">N</div>
+                <div class="theme-option__preview-text">
+                  <div class="theme-option__preview-bar"></div>
+                  <div class="theme-option__preview-bar"></div>
+                  <div class="theme-option__preview-bar"></div>
+                </div>
+              </div>
+              <div class="theme-option__name">Tema A — Industrial Robusto</div>
+              <div class="theme-option__desc">Fondo oscuro, acentos ámbar, tipografía Barlow Condensed</div>
+              <div class="theme-option__colors">
+                <div class="theme-option__swatch" style="background: #0d0d0d;"></div>
+                <div class="theme-option__swatch" style="background: #1a1a1a;"></div>
+                <div class="theme-option__swatch" style="background: #F5A623;"></div>
+                <div class="theme-option__swatch" style="background: #333333;"></div>
+                <div class="theme-option__swatch" style="background: #FFFFFF;"></div>
+              </div>
+            </div>
+
+            <div class="theme-option" onclick="selectThemeOption('modern')">
+              <div class="theme-option__check">
+                <svg viewBox="0 0 24 24"><polyline points="20 6 9 17 4 12"/></svg>
+              </div>
+              <div class="theme-option__preview theme-option__preview--light">
+                <div class="theme-option__preview-logo theme-option__preview-logo--light">N</div>
+                <div class="theme-option__preview-text">
+                  <div class="theme-option__preview-bar"></div>
+                  <div class="theme-option__preview-bar"></div>
+                  <div class="theme-option__preview-bar"></div>
+                </div>
+              </div>
+              <div class="theme-option__name">Tema B — Técnico Moderno</div>
+              <div class="theme-option__desc">Fondo claro, acentos naranja, tipografía Poppins</div>
+              <div class="theme-option__colors">
+                <div class="theme-option__swatch" style="background: #FFFFFF;"></div>
+                <div class="theme-option__swatch" style="background: #F8F9FF;"></div>
+                <div class="theme-option__swatch" style="background: #FF6B35;"></div>
+                <div class="theme-option__swatch" style="background: #1a1a2e;"></div>
+                <div class="theme-option__swatch" style="background: #e2e4f0;"></div>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 2: DATOS DE LA EMPRESA
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Datos de la Empresa</div>
+              <div class="settings-section__desc">Información fiscal y comercial</div>
+            </div>
+          </div>
+
+          <div class="settings-card">
+            <div class="form-grid">
+              <div class="form-group">
+                <label class="form-label">Razón Social</label>
+                <input class="form-input" type="text" value="Nexus Autoparts S.A. de C.V." />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Nombre Comercial</label>
+                <input class="form-input" type="text" value="Nexus Autoparts" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">RFC</label>
+                <input class="form-input" type="text" value="NAU260101ABC" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Régimen Fiscal</label>
+                <select class="form-select">
+                  <option selected>601 - General de Ley Personas Morales</option>
+                  <option>603 - Personas Morales con Fines no Lucrativos</option>
+                  <option>612 - Personas Físicas con Actividades Empresariales</option>
+                </select>
+              </div>
+              <div class="form-group form-group--full">
+                <label class="form-label">Dirección Fiscal</label>
+                <input class="form-input" type="text" value="Av. Insurgentes Sur 1234, Col. Del Valle, Benito Juárez, CDMX, C.P. 03100" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Teléfono</label>
+                <input class="form-input" type="tel" value="(55) 1234-5678" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Email</label>
+                <input class="form-input" type="email" value="contacto@nexusautoparts.mx" />
+              </div>
+            </div>
+            <div class="btn-group">
+              <button class="btn btn--primary btn--sm">Guardar</button>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 3: USUARIOS Y PERMISOS
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Usuarios y Permisos</div>
+              <div class="settings-section__desc">Gestiona quién accede al sistema y qué puede hacer</div>
+            </div>
+          </div>
+
+          <div class="settings-card" style="padding: 0;">
+            <div style="padding: var(--space-4) var(--space-5); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-border);">
+              <span style="font-weight: var(--font-weight-semibold); color: var(--color-text-primary);">5 usuarios activos</span>
+              <button class="btn btn--primary btn--sm">
+                <svg viewBox="0 0 24 24"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
+                Nuevo Usuario
+              </button>
+            </div>
+            <div class="table-wrapper" style="border: none; border-radius: 0; box-shadow: none;">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Usuario</th>
+                    <th>Email</th>
+                    <th>Rol</th>
+                    <th>Sucursal</th>
+                    <th>Estado</th>
+                    <th>Último Acceso</th>
+                    <th>Acciones</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td>
+                      <div class="user-cell">
+                        <div class="user-cell__avatar">AM</div>
+                        <span class="user-cell__name">Adrián Morales</span>
+                      </div>
+                    </td>
+                    <td>admin@nexusautoparts.mx</td>
+                    <td><span class="badge badge--admin">Admin</span></td>
+                    <td>Todas</td>
+                    <td><span class="badge badge--ok">Activo</span></td>
+                    <td>Hoy, 14:32</td>
+                    <td><button class="btn btn--ghost btn--sm">Editar</button></td>
+                  </tr>
+                  <tr>
+                    <td>
+                      <div class="user-cell">
+                        <div class="user-cell__avatar">CM</div>
+                        <span class="user-cell__name">Carlos Mendoza</span>
+                      </div>
+                    </td>
+                    <td>carlos@nexusautoparts.mx</td>
+                    <td><span class="badge badge--pending">Contador</span></td>
+                    <td>Matriz</td>
+                    <td><span class="badge badge--ok">Activo</span></td>
+                    <td>Hoy, 12:15</td>
+                    <td><button class="btn btn--ghost btn--sm">Editar</button></td>
+                  </tr>
+                  <tr>
+                    <td>
+                      <div class="user-cell">
+                        <div class="user-cell__avatar">LR</div>
+                        <span class="user-cell__name">Laura Ríos</span>
+                      </div>
+                    </td>
+                    <td>laura@nexusautoparts.mx</td>
+                    <td><span class="badge badge--ok">Vendedor</span></td>
+                    <td>Matriz</td>
+                    <td><span class="badge badge--ok">Activo</span></td>
+                    <td>Hoy, 15:48</td>
+                    <td><button class="btn btn--ghost btn--sm">Editar</button></td>
+                  </tr>
+                  <tr>
+                    <td>
+                      <div class="user-cell">
+                        <div class="user-cell__avatar">JP</div>
+                        <span class="user-cell__name">Jorge Pérez</span>
+                      </div>
+                    </td>
+                    <td>jorge@nexusautoparts.mx</td>
+                    <td><span class="badge badge--ok">Vendedor</span></td>
+                    <td>Sucursal Norte</td>
+                    <td><span class="badge badge--ok">Activo</span></td>
+                    <td>Ayer, 18:20</td>
+                    <td><button class="btn btn--ghost btn--sm">Editar</button></td>
+                  </tr>
+                  <tr>
+                    <td>
+                      <div class="user-cell">
+                        <div class="user-cell__avatar">RG</div>
+                        <span class="user-cell__name">Roberto García</span>
+                      </div>
+                    </td>
+                    <td>roberto@nexusautoparts.mx</td>
+                    <td><span class="badge badge--ok">Bodega</span></td>
+                    <td>Matriz</td>
+                    <td><span class="badge badge--ok">Activo</span></td>
+                    <td>Hoy, 09:30</td>
+                    <td><button class="btn btn--ghost btn--sm">Editar</button></td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 4: IMPRESORAS
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><polyline points="6 9 6 2 18 2 18 9"/><path d="M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2"/><rect x="6" y="14" width="12" height="8"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Impresoras</div>
+              <div class="settings-section__desc">Configura impresoras de tickets y etiquetas</div>
+            </div>
+          </div>
+
+          <div class="device-grid">
+            <div class="device-card">
+              <div class="device-card__icon">
+                <svg viewBox="0 0 24 24"><polyline points="6 9 6 2 18 2 18 9"/><path d="M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2"/><rect x="6" y="14" width="12" height="8"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name">Epson TM-T88VI</div>
+                <div class="device-card__detail">
+                  <span class="badge badge--ok" style="padding: 0 4px; font-size: 0.625rem;">En línea</span>
+                  Tickets de venta
+                </div>
+                <div class="device-card__detail">USB · 192.168.10.50</div>
+                <div class="device-card__detail">Predeterminada para POS</div>
+                <div class="device-card__actions">
+                  <button class="btn btn--ghost btn--sm">Configurar</button>
+                  <button class="btn btn--ghost btn--sm">Test</button>
+                </div>
+              </div>
+            </div>
+
+            <div class="device-card">
+              <div class="device-card__icon">
+                <svg viewBox="0 0 24 24"><polyline points="6 9 6 2 18 2 18 9"/><path d="M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2"/><rect x="6" y="14" width="12" height="8"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name">Zebra GK420d</div>
+                <div class="device-card__detail">
+                  <span class="badge badge--ok" style="padding: 0 4px; font-size: 0.625rem;">En línea</span>
+                  Etiquetas de código de barras
+                </div>
+                <div class="device-card__detail">USB · 192.168.10.51</div>
+                <div class="device-card__detail">Predeterminada para inventario</div>
+                <div class="device-card__actions">
+                  <button class="btn btn--ghost btn--sm">Configurar</button>
+                  <button class="btn btn--ghost btn--sm">Test</button>
+                </div>
+              </div>
+            </div>
+
+            <div class="device-card">
+              <div class="device-card__icon" style="background: rgba(115,115,115,.12);">
+                <svg viewBox="0 0 24 24" style="stroke: var(--color-text-muted);"><polyline points="6 9 6 2 18 2 18 9"/><path d="M6 18H4a2 2 0 0 1-2-2v-5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v5a2 2 0 0 1-2 2h-2"/><rect x="6" y="14" width="12" height="8"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name">HP LaserJet Pro M404</div>
+                <div class="device-card__detail">
+                  <span class="badge badge--inactive" style="padding: 0 4px; font-size: 0.625rem;">Fuera de línea</span>
+                  Facturas y reportes
+                </div>
+                <div class="device-card__detail">Red · 192.168.10.52</div>
+                <div class="device-card__actions">
+                  <button class="btn btn--ghost btn--sm">Configurar</button>
+                  <button class="btn btn--ghost btn--sm">Reintentar</button>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 5: SUCURSALES
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/><circle cx="12" cy="10" r="3"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Sucursales</div>
+              <div class="settings-section__desc">Gestiona las ubicaciones de tu negocio</div>
+            </div>
+          </div>
+
+          <div class="device-grid">
+            <div class="device-card">
+              <div class="device-card__icon">
+                <svg viewBox="0 0 24 24"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name">Matriz — Centro</div>
+                <div class="device-card__detail">
+                  <span class="badge badge--ok" style="padding: 0 4px; font-size: 0.625rem;">Principal</span>
+                </div>
+                <div class="device-card__detail">Av. Insurgentes Sur 1234, Col. Del Valle</div>
+                <div class="device-card__detail">3 empleados · 2 terminales POS</div>
+                <div class="device-card__actions">
+                  <button class="btn btn--ghost btn--sm">Editar</button>
+                </div>
+              </div>
+            </div>
+
+            <div class="device-card">
+              <div class="device-card__icon">
+                <svg viewBox="0 0 24 24"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name">Sucursal Norte</div>
+                <div class="device-card__detail">
+                  <span class="badge badge--ok" style="padding: 0 4px; font-size: 0.625rem;">Activa</span>
+                </div>
+                <div class="device-card__detail">Blvd. Ávila Camacho 456, Naucalpan</div>
+                <div class="device-card__detail">2 empleados · 1 terminal POS</div>
+                <div class="device-card__actions">
+                  <button class="btn btn--ghost btn--sm">Editar</button>
+                </div>
+              </div>
+            </div>
+
+            <div class="device-card" style="border-style: dashed; cursor: pointer;">
+              <div class="device-card__icon" style="background: transparent; border: 2px dashed var(--color-border);">
+                <svg viewBox="0 0 24 24" style="stroke: var(--color-text-muted);"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
+              </div>
+              <div class="device-card__body">
+                <div class="device-card__name" style="color: var(--color-text-muted);">Agregar Sucursal</div>
+                <div class="device-card__detail">Configura una nueva ubicación</div>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 6: PARÁMETROS FISCALES
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Parámetros Fiscales</div>
+              <div class="settings-section__desc">Configuración de facturación electrónica CFDI</div>
+            </div>
+          </div>
+
+          <div class="settings-card">
+            <div class="settings-card__title">Certificados y Sellos Digitales</div>
+            <div class="form-grid">
+              <div class="form-group">
+                <label class="form-label">Certificado (.cer)</label>
+                <div style="display: flex; align-items: center; gap: var(--space-2);">
+                  <input class="form-input" type="text" value="CSD_NAU260101ABC_20250115.cer" readonly style="flex:1; opacity: 0.7;" />
+                  <button class="btn btn--ghost btn--sm">Cambiar</button>
+                </div>
+                <span class="form-hint">Vigente hasta: 15/01/2029</span>
+              </div>
+              <div class="form-group">
+                <label class="form-label">Llave Privada (.key)</label>
+                <div style="display: flex; align-items: center; gap: var(--space-2);">
+                  <input class="form-input" type="text" value="CSD_NAU260101ABC_20250115.key" readonly style="flex:1; opacity: 0.7;" />
+                  <button class="btn btn--ghost btn--sm">Cambiar</button>
+                </div>
+              </div>
+              <div class="form-group">
+                <label class="form-label">Contraseña del CSD</label>
+                <input class="form-input" type="password" value="••••••••" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">PAC (Proveedor de Certificación)</label>
+                <select class="form-select">
+                  <option selected>Finkok</option>
+                  <option>Diverza</option>
+                  <option>Edicom</option>
+                  <option>SW Sapien</option>
+                </select>
+              </div>
+            </div>
+          </div>
+
+          <div class="settings-card">
+            <div class="settings-card__title">Configuración de Facturación</div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Facturación automática</span>
+                <span class="toggle-row__desc">Generar CFDI automáticamente al cerrar una venta</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Envío automático por email</span>
+                <span class="toggle-row__desc">Enviar PDF y XML al correo del cliente</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Factura global diaria</span>
+                <span class="toggle-row__desc">Generar CFDI global para ventas sin RFC</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Complemento de pago</span>
+                <span class="toggle-row__desc">Generar complemento de pago para cobros parciales</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+          </div>
+
+          <div class="settings-card">
+            <div class="settings-card__title">Parámetros de Impuestos</div>
+            <div class="form-grid">
+              <div class="form-group">
+                <label class="form-label">Tasa IVA (%)</label>
+                <input class="form-input" type="number" value="16" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Tasa IEPS (%)</label>
+                <input class="form-input" type="number" value="0" />
+                <span class="form-hint">Dejar en 0 si no aplica</span>
+              </div>
+              <div class="form-group">
+                <label class="form-label">Serie de Facturación</label>
+                <input class="form-input" type="text" value="FA" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Folio Actual</label>
+                <input class="form-input" type="number" value="893" />
+              </div>
+              <div class="form-group">
+                <label class="form-label">Moneda Predeterminada</label>
+                <select class="form-select">
+                  <option selected>MXN — Peso Mexicano</option>
+                  <option>USD — Dólar Americano</option>
+                </select>
+              </div>
+              <div class="form-group">
+                <label class="form-label">Forma de Pago Default</label>
+                <select class="form-select">
+                  <option selected>01 — Efectivo</option>
+                  <option>03 — Transferencia Electrónica</option>
+                  <option>04 — Tarjeta de Crédito</option>
+                  <option>28 — Tarjeta de Débito</option>
+                  <option>99 — Por Definir</option>
+                </select>
+              </div>
+            </div>
+            <div class="btn-group">
+              <button class="btn btn--primary btn--sm">Guardar Parámetros</button>
+            </div>
+          </div>
+        </div>
+
+        <!-- ===============================================================
+             SECTION 7: PREFERENCIAS DEL SISTEMA
+             =============================================================== -->
+        <div class="settings-section">
+          <div class="settings-section__header">
+            <div class="settings-section__icon">
+              <svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>
+            </div>
+            <div>
+              <div class="settings-section__title">Preferencias del Sistema</div>
+              <div class="settings-section__desc">Ajustes generales de operación</div>
+            </div>
+          </div>
+
+          <div class="settings-card">
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Notificaciones de stock bajo</span>
+                <span class="toggle-row__desc">Alertar cuando un producto baje del mínimo configurado</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Sonidos de notificación</span>
+                <span class="toggle-row__desc">Reproducir sonido al completar una venta o recibir alerta</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Cierre de caja obligatorio</span>
+                <span class="toggle-row__desc">Requerir cierre de caja al finalizar el turno</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Modo offline</span>
+                <span class="toggle-row__desc">Permitir ventas sin conexión a internet (sincroniza al reconectar)</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+            <div class="toggle-row">
+              <div class="toggle-row__info">
+                <span class="toggle-row__label">Autocompletado de búsqueda</span>
+                <span class="toggle-row__desc">Sugerir productos mientras se escribe en la barra de búsqueda</span>
+              </div>
+              <label class="toggle">
+                <input type="checkbox" checked />
+                <span class="toggle__slider"></span>
+              </label>
+            </div>
+          </div>
+        </div>
+
+      </div><!-- /content-scroll -->
+    </main>
+  </div><!-- /app-shell -->
+
+  <script src="/pos/static/js/config.js"></script>
+
+</body>
+</html>
diff --git a/pos/templates/dashboard.html b/pos/templates/dashboard.html
new file mode 100644
index 0000000..5fecd7f
--- /dev/null
+++ b/pos/templates/dashboard.html
@@ -0,0 +1,1954 @@
+<!DOCTYPE html>
+<html lang="es" data-theme="industrial">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Nexus Autoparts — Dashboard</title>
+  <link rel="stylesheet" href="/pos/static/css/tokens.css" />
+
+  <style>
+    /* ==========================================================================
+       BASE RESET
+       ========================================================================== */
+
+    *, *::before, *::after {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
+
+    html {
+      height: 100%;
+    }
+
+    body {
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      background-color: var(--color-bg-base);
+      color: var(--color-text-primary);
+      min-height: 100vh;
+      display: flex;
+      flex-direction: column;
+      transition: background-color var(--duration-normal) var(--ease-in-out),
+                  color var(--duration-normal) var(--ease-in-out);
+    }
+
+    /* Modern theme dot-grid on body */
+    [data-theme="modern"] body {
+      background-color: var(--color-bg-base);
+      background-image: radial-gradient(
+        circle,
+        var(--dot-grid-color) 1px,
+        transparent 1px
+      );
+      background-size: var(--dot-grid-size) var(--dot-grid-size);
+    }
+
+    a {
+      text-decoration: none;
+      color: inherit;
+    }
+
+    /* ==========================================================================
+       THEME SWITCHER BAR (fixed top, 36px)
+       ========================================================================== */
+
+    .theme-bar {
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      height: 36px;
+      z-index: var(--z-sticky);
+      background-color: var(--color-surface-3);
+      border-bottom: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 var(--space-5);
+      font-size: var(--text-caption);
+      font-family: var(--font-body);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .theme-bar__brand {
+      font-family: var(--font-heading);
+      font-weight: var(--font-weight-bold);
+      font-size: 0.8125rem;
+      color: var(--color-primary);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+    }
+
+    .theme-bar__controls {
+      display: flex;
+      align-items: center;
+      gap: var(--space-4);
+    }
+
+    .theme-bar__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .theme-switcher {
+      display: flex;
+      align-items: center;
+      gap: var(--space-1);
+      background-color: var(--color-surface-2);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-full);
+      padding: 2px;
+    }
+
+    .theme-btn {
+      height: 22px;
+      padding: 0 var(--space-3);
+      border-radius: var(--radius-full);
+      border: none;
+      cursor: pointer;
+      font-family: var(--font-body);
+      font-size: 11px;
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      background: transparent;
+      color: var(--color-text-muted);
+      transition: var(--transition-fast);
+    }
+
+    .theme-btn.active {
+      background-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .theme-btn:not(.active):hover {
+      color: var(--color-text-primary);
+    }
+
+    /* ==========================================================================
+       APP SHELL — sidebar + main
+       ========================================================================== */
+
+    .app-shell {
+      display: flex;
+      flex: 1;
+      margin-top: 36px; /* offset for fixed theme bar */
+      min-height: calc(100vh - 36px);
+      position: relative;
+    }
+
+    /* ==========================================================================
+       SIDEBAR
+       ========================================================================== */
+
+    .sidebar {
+      width: 260px;
+      flex-shrink: 0;
+      background-color: var(--color-bg-elevated);
+      border-right: 1px solid var(--color-border);
+      display: flex;
+      flex-direction: column;
+      position: fixed;
+      top: 36px;
+      left: 0;
+      bottom: 0;
+      z-index: var(--z-dropdown);
+      transition: transform var(--duration-normal) var(--ease-in-out);
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .sidebar__logo {
+      padding: var(--space-5) var(--space-5) var(--space-4);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    .sidebar__logo-text {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.125rem;
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-primary);
+      line-height: 1;
+    }
+
+    .sidebar__logo-sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .sidebar__nav {
+      flex: 1;
+      padding: var(--space-4) 0;
+    }
+
+    .sidebar__section-label {
+      font-size: 10px;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      padding: var(--space-3) var(--space-5) var(--space-2);
+      margin-top: var(--space-2);
+    }
+
+    .nav-link {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-3) var(--space-5);
+      color: var(--color-text-secondary);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      transition: var(--transition-fast);
+      border-left: 3px solid transparent;
+      position: relative;
+    }
+
+    .nav-link:hover {
+      background-color: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .nav-link.active {
+      background-color: var(--color-primary-muted);
+      color: var(--color-primary);
+      border-left-color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .nav-link__icon {
+      width: 18px;
+      height: 18px;
+      flex-shrink: 0;
+      opacity: 0.7;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+    }
+
+    .nav-link.active .nav-link__icon {
+      opacity: 1;
+    }
+
+    .sidebar__footer {
+      padding: var(--space-4) var(--space-5);
+      border-top: 1px solid var(--color-border);
+    }
+
+    .user-chip {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .user-chip__avatar {
+      width: 32px;
+      height: 32px;
+      border-radius: var(--radius-full);
+      background-color: var(--color-primary);
+      color: var(--color-text-inverse);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-family: var(--font-heading);
+      font-weight: var(--font-weight-bold);
+      font-size: 13px;
+      flex-shrink: 0;
+    }
+
+    .user-chip__info {
+      flex: 1;
+      min-width: 0;
+    }
+
+    .user-chip__name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .user-chip__role {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    /* ==========================================================================
+       SIDEBAR OVERLAY (mobile backdrop)
+       ========================================================================== */
+
+    .sidebar-overlay {
+      display: none;
+      position: fixed;
+      inset: 0;
+      top: 36px;
+      background-color: var(--overlay-backdrop);
+      z-index: calc(var(--z-dropdown) - 1);
+    }
+
+    /* ==========================================================================
+       MAIN CONTENT
+       ========================================================================== */
+
+    .main {
+      flex: 1;
+      margin-left: 220px;
+      min-width: 0;
+      display: flex;
+      flex-direction: column;
+    }
+
+    /* ==========================================================================
+       TOP HEADER BAR
+       ========================================================================== */
+
+    .header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-6);
+      background-color: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      gap: var(--space-4);
+      flex-shrink: 0;
+    }
+
+    .header__left {
+      display: flex;
+      align-items: center;
+      gap: var(--space-4);
+    }
+
+    .hamburger-btn {
+      display: none;
+      width: 36px;
+      height: 36px;
+      background: none;
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      cursor: pointer;
+      color: var(--color-text-secondary);
+      align-items: center;
+      justify-content: center;
+      transition: var(--transition-fast);
+    }
+
+    .hamburger-btn:hover {
+      background-color: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .header__greeting {
+      display: flex;
+      flex-direction: column;
+    }
+
+    .header__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h5);
+      letter-spacing: var(--heading-tracking-h5);
+      color: var(--color-text-primary);
+      line-height: 1.2;
+    }
+
+    .header__subtitle {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 1px;
+    }
+
+    .header__right {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .header__store-badge {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: var(--space-2) var(--space-4);
+      background-color: var(--color-primary-muted);
+      border: 1px solid var(--color-border-accent);
+      border-radius: var(--radius-md);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-primary);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .icon-btn {
+      width: 36px;
+      height: 36px;
+      background: none;
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      cursor: pointer;
+      color: var(--color-text-secondary);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      transition: var(--transition-fast);
+      position: relative;
+    }
+
+    .icon-btn:hover {
+      background-color: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .notif-dot {
+      position: absolute;
+      top: 6px;
+      right: 6px;
+      width: 7px;
+      height: 7px;
+      border-radius: var(--radius-full);
+      background-color: var(--color-error);
+      border: 1.5px solid var(--color-bg-elevated);
+    }
+
+    /* ==========================================================================
+       DASHBOARD CONTENT AREA
+       ========================================================================== */
+
+    .dashboard {
+      flex: 1;
+      padding: var(--space-6);
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-6);
+      overflow-y: auto;
+    }
+
+    /* ==========================================================================
+       SECTION TITLE
+       ========================================================================== */
+
+    .section-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-4);
+    }
+
+    .section-title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-h6);
+      letter-spacing: var(--heading-tracking-h6);
+      text-transform: uppercase;
+      color: var(--color-text-secondary);
+    }
+
+    .section-action {
+      font-size: var(--text-caption);
+      color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .section-action:hover {
+      text-decoration: underline;
+    }
+
+    /* ==========================================================================
+       KPI CARDS ROW
+       ========================================================================== */
+
+    .kpi-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-4);
+    }
+
+    .kpi-card {
+      background-color: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-3);
+      transition: var(--transition-normal);
+      position: relative;
+      overflow: hidden;
+    }
+
+    [data-theme="industrial"] .kpi-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .kpi-card {
+      box-shadow: var(--shadow-md);
+    }
+
+    .kpi-card:hover {
+      border-color: var(--color-border-strong);
+      transform: translateY(-1px);
+    }
+
+    .kpi-card__accent-bar {
+      position: absolute;
+      top: 0;
+      left: 0;
+      right: 0;
+      height: 3px;
+      background-color: var(--color-primary);
+    }
+
+    .kpi-card__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+    }
+
+    .kpi-card__icon {
+      width: 28px;
+      height: 28px;
+      border-radius: var(--radius-md);
+      background-color: var(--color-primary-muted);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      color: var(--color-primary);
+    }
+
+    .kpi-card__value {
+      font-family: var(--font-mono);
+      font-size: 1.625rem;
+      font-weight: var(--font-weight-bold);
+      color: var(--color-text-primary);
+      line-height: 1;
+      letter-spacing: var(--tracking-tight);
+    }
+
+    .kpi-card__meta {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-size: var(--text-caption);
+    }
+
+    .kpi-tag {
+      display: inline-flex;
+      align-items: center;
+      gap: 2px;
+      font-size: 11px;
+      font-weight: var(--font-weight-semibold);
+      padding: 2px var(--space-2);
+      border-radius: var(--radius-full);
+    }
+
+    .kpi-tag--up {
+      background-color: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .kpi-tag--neutral {
+      background-color: var(--color-surface-2);
+      color: var(--color-text-muted);
+    }
+
+    .kpi-meta-text {
+      color: var(--color-text-muted);
+    }
+
+    /* Progress bar inside KPI */
+    .kpi-progress {
+      margin-top: var(--space-1);
+    }
+
+    .kpi-progress__track {
+      height: 4px;
+      background-color: var(--color-surface-3);
+      border-radius: var(--radius-full);
+      overflow: hidden;
+    }
+
+    .kpi-progress__fill {
+      height: 100%;
+      background-color: var(--color-primary);
+      border-radius: var(--radius-full);
+      transition: width var(--duration-slow) var(--ease-out);
+    }
+
+    .kpi-progress__label {
+      display: flex;
+      justify-content: space-between;
+      font-size: 10px;
+      color: var(--color-text-muted);
+      margin-top: var(--space-1);
+    }
+
+    /* ==========================================================================
+       SALES CHART SECTION
+       ========================================================================== */
+
+    .chart-card {
+      background-color: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+    }
+
+    [data-theme="industrial"] .chart-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .chart-card {
+      box-shadow: var(--shadow-md);
+    }
+
+    .chart-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-5);
+      flex-wrap: wrap;
+      gap: var(--space-3);
+    }
+
+    .period-selector {
+      display: flex;
+      gap: var(--space-1);
+      background-color: var(--color-surface-2);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      padding: 3px;
+    }
+
+    .period-btn {
+      padding: var(--space-1) var(--space-3);
+      border-radius: var(--radius-sm);
+      border: none;
+      font-family: var(--font-body);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      background: transparent;
+      color: var(--color-text-muted);
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .period-btn.active {
+      background-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .period-btn:not(.active):hover {
+      color: var(--color-text-primary);
+      background-color: var(--color-surface-3);
+    }
+
+    /* Bar chart */
+    .bar-chart {
+      display: flex;
+      align-items: flex-end;
+      justify-content: space-between;
+      gap: var(--space-2);
+      height: 140px;
+      padding-bottom: var(--space-6);
+      position: relative;
+    }
+
+    /* Horizontal grid lines */
+    .bar-chart::before {
+      content: '';
+      position: absolute;
+      left: 0;
+      right: 0;
+      top: 0;
+      bottom: var(--space-6);
+      background-image:
+        linear-gradient(to bottom,
+          var(--color-border) 1px,
+          transparent 1px,
+          transparent 33%,
+          var(--color-border) 33%,
+          transparent 34%,
+          transparent 66%,
+          var(--color-border) 66%,
+          transparent 67%
+        );
+      pointer-events: none;
+    }
+
+    .bar-chart__col {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      gap: var(--space-2);
+      min-width: 0;
+      position: relative;
+      height: 100%;
+      justify-content: flex-end;
+    }
+
+    .bar-chart__bar-wrap {
+      width: 100%;
+      display: flex;
+      align-items: flex-end;
+      justify-content: center;
+      flex: 1;
+    }
+
+    .bar-chart__bar {
+      width: 70%;
+      max-width: 36px;
+      background-color: var(--color-primary);
+      border-radius: var(--radius-sm) var(--radius-sm) 0 0;
+      opacity: 0.85;
+      transition: opacity var(--transition-fast), transform var(--transition-fast);
+      cursor: pointer;
+      position: relative;
+    }
+
+    .bar-chart__bar.today {
+      opacity: 1;
+      box-shadow: 0 0 12px rgba(0,0,0,0.3);
+    }
+
+    .bar-chart__bar:hover {
+      opacity: 1;
+      transform: scaleX(1.1);
+    }
+
+    /* Tooltip on hover */
+    .bar-chart__bar::after {
+      content: attr(data-value);
+      position: absolute;
+      bottom: 100%;
+      left: 50%;
+      transform: translateX(-50%);
+      background-color: var(--color-surface-3);
+      color: var(--color-text-primary);
+      font-size: 10px;
+      font-family: var(--font-mono);
+      padding: 3px var(--space-2);
+      border-radius: var(--radius-sm);
+      white-space: nowrap;
+      opacity: 0;
+      pointer-events: none;
+      margin-bottom: 4px;
+      border: 1px solid var(--color-border);
+      transition: opacity var(--transition-fast);
+    }
+
+    .bar-chart__bar:hover::after {
+      opacity: 1;
+    }
+
+    .bar-chart__label {
+      font-size: 11px;
+      color: var(--color-text-muted);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      position: absolute;
+      bottom: 0;
+    }
+
+    .chart-legend {
+      display: flex;
+      gap: var(--space-5);
+      margin-top: var(--space-3);
+      flex-wrap: wrap;
+    }
+
+    .legend-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .legend-dot {
+      width: 8px;
+      height: 8px;
+      border-radius: var(--radius-full);
+      background-color: var(--color-primary);
+      flex-shrink: 0;
+    }
+
+    .legend-dot--success {
+      background-color: var(--color-success);
+    }
+
+    /* ==========================================================================
+       TWO-COLUMN SECTION (Top Productos / Top Clientes)
+       ========================================================================== */
+
+    .two-col-grid {
+      display: grid;
+      grid-template-columns: 1fr;
+      gap: var(--space-4);
+    }
+
+    .rank-card {
+      background-color: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+    }
+
+    [data-theme="industrial"] .rank-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .rank-card {
+      box-shadow: var(--shadow-md);
+    }
+
+    .rank-list {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-1);
+    }
+
+    .rank-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-3) var(--space-3);
+      border-radius: var(--radius-md);
+      transition: var(--transition-fast);
+    }
+
+    .rank-item:hover {
+      background-color: var(--color-surface-2);
+    }
+
+    .rank-num {
+      width: 22px;
+      height: 22px;
+      border-radius: var(--radius-full);
+      background-color: var(--color-surface-3);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: 10px;
+      font-weight: var(--font-weight-bold);
+      color: var(--color-text-muted);
+      flex-shrink: 0;
+    }
+
+    .rank-num--1 {
+      background-color: rgba(234, 179, 8, 0.2);
+      color: var(--color-warning);
+    }
+
+    .rank-num--2 {
+      background-color: var(--color-surface-3);
+      color: var(--color-text-secondary);
+    }
+
+    .rank-item__info {
+      flex: 1;
+      min-width: 0;
+    }
+
+    .rank-item__name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .rank-item__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 1px;
+    }
+
+    .rank-item__value {
+      font-family: var(--font-mono);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-bold);
+      color: var(--color-primary);
+      flex-shrink: 0;
+      text-align: right;
+    }
+
+    .rank-item__bar-bg {
+      position: relative;
+      height: 3px;
+      background-color: var(--color-surface-3);
+      border-radius: var(--radius-full);
+      margin-top: var(--space-1);
+      overflow: hidden;
+    }
+
+    .rank-item__bar-fill {
+      position: absolute;
+      left: 0;
+      top: 0;
+      height: 100%;
+      background-color: var(--color-primary);
+      border-radius: var(--radius-full);
+      opacity: 0.6;
+    }
+
+    /* ==========================================================================
+       ALERTS SECTION
+       ========================================================================== */
+
+    .alerts-grid {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-3);
+    }
+
+    .alert-item {
+      display: flex;
+      align-items: flex-start;
+      gap: var(--space-4);
+      padding: var(--space-4);
+      background-color: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      transition: var(--transition-fast);
+    }
+
+    .alert-item:hover {
+      border-color: var(--color-border-strong);
+    }
+
+    .alert-item--error {
+      border-left: 4px solid var(--color-error);
+    }
+
+    .alert-item--warning {
+      border-left: 4px solid var(--color-warning);
+    }
+
+    .alert-item--orange {
+      border-left: 4px solid var(--color-primary);
+    }
+
+    .alert-badge {
+      flex-shrink: 0;
+      min-width: 24px;
+      height: 24px;
+      padding: 0 var(--space-2);
+      border-radius: var(--radius-full);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: 10px;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .alert-badge--error {
+      background-color: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    .alert-badge--warning {
+      background-color: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    .alert-badge--orange {
+      background-color: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    .alert-icon-wrap {
+      width: 36px;
+      height: 36px;
+      border-radius: var(--radius-md);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .alert-icon-wrap--error {
+      background-color: rgba(239, 68, 68, 0.1);
+      color: var(--color-error);
+    }
+
+    .alert-icon-wrap--warning {
+      background-color: rgba(234, 179, 8, 0.1);
+      color: var(--color-warning);
+    }
+
+    .alert-icon-wrap--orange {
+      background-color: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    .alert-content {
+      flex: 1;
+      min-width: 0;
+    }
+
+    .alert-title {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    .alert-desc {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    .alert-action {
+      font-size: var(--text-caption);
+      color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      white-space: nowrap;
+      flex-shrink: 0;
+      align-self: center;
+      padding: var(--space-1) var(--space-3);
+      border: 1px solid var(--color-border-accent);
+      border-radius: var(--radius-sm);
+      transition: var(--transition-fast);
+    }
+
+    .alert-action:hover {
+      background-color: var(--color-primary-muted);
+    }
+
+    /* ==========================================================================
+       RECENT SALES TABLE
+       ========================================================================== */
+
+    .table-card {
+      background-color: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+    }
+
+    [data-theme="industrial"] .table-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .table-card {
+      box-shadow: var(--shadow-md);
+    }
+
+    .table-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-5);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    .table-wrap {
+      overflow-x: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    table {
+      width: 100%;
+      border-collapse: collapse;
+      font-size: var(--text-body-sm);
+      min-width: 520px;
+    }
+
+    thead {
+      background-color: var(--color-surface-2);
+    }
+
+    th {
+      padding: var(--space-3) var(--space-5);
+      text-align: left;
+      font-size: 11px;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      white-space: nowrap;
+    }
+
+    td {
+      padding: var(--space-4) var(--space-5);
+      border-bottom: 1px solid var(--color-border);
+      color: var(--color-text-secondary);
+      vertical-align: middle;
+    }
+
+    tr:last-child td {
+      border-bottom: none;
+    }
+
+    tr:hover td {
+      background-color: var(--color-surface-1);
+    }
+
+    .td-mono {
+      font-family: var(--font-mono);
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .td-time {
+      font-family: var(--font-mono);
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .td-client {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    .td-products {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      max-width: 180px;
+    }
+
+    .pago-badge {
+      display: inline-flex;
+      align-items: center;
+      gap: 4px;
+      padding: 3px var(--space-3);
+      border-radius: var(--radius-full);
+      font-size: 10px;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .pago-badge--efectivo {
+      background-color: rgba(34, 197, 94, 0.12);
+      color: var(--color-success);
+    }
+
+    .pago-badge--tarjeta {
+      background-color: rgba(99, 102, 241, 0.12);
+      color: #818cf8;
+    }
+
+    .pago-badge--transferencia {
+      background-color: rgba(234, 179, 8, 0.12);
+      color: var(--color-warning);
+    }
+
+    .pago-badge--credito {
+      background-color: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    /* ==========================================================================
+       MOBILE — Hamburger Menu & Responsive
+       ========================================================================== */
+
+    @media (max-width: 767px) {
+      .sidebar {
+        transform: translateX(-100%);
+      }
+
+      .sidebar.open {
+        transform: translateX(0);
+        box-shadow: var(--shadow-xl);
+      }
+
+      .sidebar-overlay.open {
+        display: block;
+      }
+
+      .main {
+        margin-left: 0;
+      }
+
+      .hamburger-btn {
+        display: flex;
+      }
+
+      .header__store-badge {
+        display: none;
+      }
+
+      .dashboard {
+        padding: var(--space-4);
+        gap: var(--space-5);
+      }
+
+      .kpi-card__value {
+        font-size: 1.25rem;
+      }
+
+      .header {
+        padding: var(--space-3) var(--space-4);
+      }
+    }
+
+    @media (min-width: 768px) {
+      .two-col-grid {
+        grid-template-columns: 1fr 1fr;
+      }
+
+      .alerts-grid {
+        display: grid;
+        grid-template-columns: 1fr;
+      }
+    }
+
+    @media (min-width: 1024px) {
+      .kpi-grid {
+        grid-template-columns: repeat(4, 1fr);
+      }
+
+      .alerts-grid {
+        grid-template-columns: repeat(3, 1fr);
+      }
+    }
+
+    @media (min-width: 1280px) {
+      .dashboard {
+        padding: var(--space-8);
+        gap: var(--space-8);
+      }
+    }
+
+    /* ==========================================================================
+       SVG ICONS — Inline utility
+       ========================================================================== */
+
+    svg {
+      display: block;
+    }
+  </style>
+</head>
+
+<body>
+
+  <!-- =========================================================================
+       THEME SWITCHER BAR (fixed top, 36px)
+       ========================================================================= -->
+
+  <div class="theme-bar">
+    <span class="theme-bar__brand">Nexus Autoparts</span>
+    <div class="theme-bar__controls">
+      <span class="theme-bar__label">Tema:</span>
+      <div class="theme-switcher">
+        <button class="theme-btn active" id="btn-industrial" onclick="setTheme('industrial')">Industrial</button>
+        <button class="theme-btn" id="btn-modern" onclick="setTheme('modern')">Moderno</button>
+      </div>
+    </div>
+  </div>
+
+  <!-- Sidebar mobile overlay -->
+  <div class="sidebar-overlay" id="sidebar-overlay" onclick="closeSidebar()"></div>
+
+  <!-- =========================================================================
+       APP SHELL
+       ========================================================================= -->
+
+  <div class="app-shell">
+
+    <!-- ===================================================================
+         SIDEBAR NAVIGATION
+         =================================================================== -->
+
+    <nav class="sidebar themed-scrollbar" id="sidebar">
+
+      <div class="sidebar__logo">
+        <div class="sidebar__logo-text">Nexus</div>
+        <div class="sidebar__logo-sub">Autoparts POS</div>
+      </div>
+
+      <div class="sidebar__nav">
+
+        <div class="sidebar__section-label">Principal</div>
+
+        <a href="dashboard.html" class="nav-link active">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <rect x="1" y="1" width="6" height="6" rx="1" fill="currentColor" opacity="0.9"/>
+              <rect x="9" y="1" width="6" height="6" rx="1" fill="currentColor" opacity="0.5"/>
+              <rect x="1" y="9" width="6" height="6" rx="1" fill="currentColor" opacity="0.5"/>
+              <rect x="9" y="9" width="6" height="6" rx="1" fill="currentColor" opacity="0.5"/>
+            </svg>
+          </span>
+          Dashboard
+        </a>
+
+        <a href="pos.html" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <rect x="1" y="2" width="14" height="10" rx="1.5" stroke="currentColor" stroke-width="1.5"/>
+              <path d="M5 15h6M8 12v3" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
+              <rect x="4" y="5" width="3" height="2" rx="0.5" fill="currentColor" opacity="0.6"/>
+              <rect x="9" y="5" width="3" height="2" rx="0.5" fill="currentColor" opacity="0.6"/>
+            </svg>
+          </span>
+          POS
+        </a>
+
+        <a href="catalogo.html" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M3 2h7l3 3v9H3V2z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round"/>
+              <path d="M10 2v3h3" stroke="currentColor" stroke-width="1.5"/>
+              <path d="M5 7h6M5 9.5h4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Catálogo
+        </a>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <rect x="1" y="3" width="14" height="10" rx="1.5" stroke="currentColor" stroke-width="1.5"/>
+              <path d="M1 6h14" stroke="currentColor" stroke-width="1.2"/>
+              <path d="M4 9.5h3M10 9.5h2" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Inventario
+        </a>
+
+        <div class="sidebar__section-label">Ventas</div>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <circle cx="7" cy="6" r="4" stroke="currentColor" stroke-width="1.5"/>
+              <path d="M10.5 10.5L14 14" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Clientes
+        </a>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M3 2h10a1 1 0 011 1v10a1 1 0 01-1 1H3a1 1 0 01-1-1V3a1 1 0 011-1z" stroke="currentColor" stroke-width="1.5"/>
+              <path d="M5 6h6M5 8.5h4M5 11h2" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Facturación
+        </a>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M8 1v14M11 4H6.5a2.5 2.5 0 000 5H9.5a2.5 2.5 0 010 5H4" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Contabilidad
+        </a>
+
+        <div class="sidebar__section-label">Análisis</div>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M2 13L5 9l3 2 3-5 3 3" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+              <path d="M2 13h12" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Reportes
+        </a>
+
+        <div class="sidebar__section-label">Sistema</div>
+
+        <a href="#" class="nav-link">
+          <span class="nav-link__icon">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <circle cx="8" cy="8" r="2" stroke="currentColor" stroke-width="1.4"/>
+              <path d="M8 1v2M8 13v2M1 8h2M13 8h2M2.93 2.93l1.41 1.41M11.66 11.66l1.41 1.41M2.93 13.07l1.41-1.41M11.66 4.34l1.41-1.41" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"/>
+            </svg>
+          </span>
+          Configuración
+        </a>
+
+      </div><!-- end sidebar__nav -->
+
+      <div class="sidebar__footer">
+        <div class="user-chip">
+          <div class="user-chip__avatar">CA</div>
+          <div class="user-chip__info">
+            <div class="user-chip__name">Carlos Alvarado</div>
+            <div class="user-chip__role">Propietario</div>
+          </div>
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="none" style="color:var(--color-text-muted);flex-shrink:0">
+            <path d="M2 5l5 5 5-5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+          </svg>
+        </div>
+      </div>
+
+    </nav><!-- end sidebar -->
+
+    <!-- ===================================================================
+         MAIN AREA
+         =================================================================== -->
+
+    <div class="main">
+
+      <!-- Header bar -->
+      <header class="header">
+        <div class="header__left">
+          <button class="hamburger-btn" id="hamburger-btn" onclick="toggleSidebar()" aria-label="Menú">
+            <svg width="18" height="18" viewBox="0 0 18 18" fill="none">
+              <path d="M2 4h14M2 9h14M2 14h14" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"/>
+            </svg>
+          </button>
+          <div class="header__greeting">
+            <div class="header__title">Buenos días, Carlos</div>
+            <div class="header__subtitle">Miércoles, 1 de abril de 2026 &nbsp;·&nbsp; Sucursal Centro</div>
+          </div>
+        </div>
+        <div class="header__right">
+          <div class="header__store-badge">
+            <svg width="12" height="12" viewBox="0 0 12 12" fill="none">
+              <path d="M1 5.5L6 1l5 4.5V11H8V8H4v3H1V5.5z" fill="currentColor" opacity="0.7"/>
+            </svg>
+            Sucursal Centro
+          </div>
+          <button class="icon-btn" title="Notificaciones">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M8 1a5 5 0 00-5 5v3l-1.5 2h13L13 9V6a5 5 0 00-5-5z" stroke="currentColor" stroke-width="1.4"/>
+              <path d="M6.5 13a1.5 1.5 0 003 0" stroke="currentColor" stroke-width="1.4"/>
+            </svg>
+            <span class="notif-dot"></span>
+          </button>
+          <button class="icon-btn" title="Refrescar datos">
+            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+              <path d="M13.5 8a5.5 5.5 0 11-1.5-3.8" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"/>
+              <path d="M14 2v4h-4" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round"/>
+            </svg>
+          </button>
+        </div>
+      </header>
+
+      <!-- Dashboard scrollable content -->
+      <div class="dashboard themed-scrollbar">
+
+        <!-- =================================================================
+             KPI CARDS (2x2 mobile, 4x1 desktop)
+             ================================================================= -->
+
+        <section>
+          <div class="section-header">
+            <span class="section-title">Resumen del día</span>
+            <span class="section-action">Ver detalle &rarr;</span>
+          </div>
+          <div class="kpi-grid">
+
+            <!-- Card 1: Ventas Hoy -->
+            <div class="kpi-card">
+              <div class="kpi-card__accent-bar"></div>
+              <div class="kpi-card__label">
+                Ventas Hoy
+                <span class="kpi-card__icon">
+                  <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                    <path d="M7 1v12M10 4H5.5a2.5 2.5 0 000 5H8.5a2.5 2.5 0 010 5H3" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"/>
+                  </svg>
+                </span>
+              </div>
+              <div class="kpi-card__value">$45,230</div>
+              <div class="kpi-card__meta">
+                <span class="kpi-tag kpi-tag--up">
+                  <svg width="9" height="9" viewBox="0 0 9 9" fill="none">
+                    <path d="M4.5 7V2M2 4.5L4.5 2 7 4.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round"/>
+                  </svg>
+                  +12%
+                </span>
+                <span class="kpi-meta-text">vs ayer $40,382</span>
+              </div>
+            </div>
+
+            <!-- Card 2: Ventas Mes -->
+            <div class="kpi-card">
+              <div class="kpi-card__accent-bar"></div>
+              <div class="kpi-card__label">
+                Ventas Mes
+                <span class="kpi-card__icon">
+                  <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                    <rect x="1" y="2" width="12" height="11" rx="1.5" stroke="currentColor" stroke-width="1.4"/>
+                    <path d="M4 1v2M10 1v2M1 6h12" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"/>
+                  </svg>
+                </span>
+              </div>
+              <div class="kpi-card__value">$892,150</div>
+              <div class="kpi-card__meta">
+                <span class="kpi-meta-text">Meta: $1,310,000</span>
+              </div>
+              <div class="kpi-progress">
+                <div class="kpi-progress__track">
+                  <div class="kpi-progress__fill" style="width: 68%"></div>
+                </div>
+                <div class="kpi-progress__label">
+                  <span>68% de meta</span>
+                  <span>$417,850 restante</span>
+                </div>
+              </div>
+            </div>
+
+            <!-- Card 3: Tickets Hoy -->
+            <div class="kpi-card">
+              <div class="kpi-card__accent-bar"></div>
+              <div class="kpi-card__label">
+                Tickets Hoy
+                <span class="kpi-card__icon">
+                  <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                    <path d="M2 2h10a1 1 0 011 1v8a1 1 0 01-1 1H2a1 1 0 01-1-1V3a1 1 0 011-1z" stroke="currentColor" stroke-width="1.4"/>
+                    <path d="M3.5 5.5h7M3.5 7.5h5" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
+                  </svg>
+                </span>
+              </div>
+              <div class="kpi-card__value">23</div>
+              <div class="kpi-card__meta">
+                <span class="kpi-tag kpi-tag--neutral">Promedio</span>
+                <span class="kpi-meta-text">$1,966 por ticket</span>
+              </div>
+            </div>
+
+            <!-- Card 4: Utilidad Mes -->
+            <div class="kpi-card">
+              <div class="kpi-card__accent-bar"></div>
+              <div class="kpi-card__label">
+                Utilidad Mes
+                <span class="kpi-card__icon">
+                  <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                    <path d="M2 11L5 8l2.5 2L10 5l2.5 2.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round" stroke-linejoin="round"/>
+                  </svg>
+                </span>
+              </div>
+              <div class="kpi-card__value">$178,430</div>
+              <div class="kpi-card__meta">
+                <span class="kpi-tag kpi-tag--up">20%</span>
+                <span class="kpi-meta-text">margen neto</span>
+              </div>
+            </div>
+
+          </div><!-- end kpi-grid -->
+        </section>
+
+        <!-- =================================================================
+             SALES CHART (CSS-only bar chart)
+             ================================================================= -->
+
+        <section>
+          <div class="chart-card">
+            <div class="chart-header">
+              <div>
+                <div class="section-title">Ventas Semanales</div>
+                <div style="font-size:var(--text-caption);color:var(--color-text-muted);margin-top:2px;">
+                  Total semana: <strong style="color:var(--color-primary);font-family:var(--font-mono);">$267,840</strong>
+                </div>
+              </div>
+              <div class="period-selector">
+                <button class="period-btn" onclick="setPeriod(this)">Hoy</button>
+                <button class="period-btn active" onclick="setPeriod(this)">Semana</button>
+                <button class="period-btn" onclick="setPeriod(this)">Mes</button>
+                <button class="period-btn" onclick="setPeriod(this)">Año</button>
+              </div>
+            </div>
+
+            <!-- Bar chart: heights are % of max (Jue = max $52k) -->
+            <div class="bar-chart" id="bar-chart">
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:62%" data-value="$32,100"></div>
+                </div>
+                <span class="bar-chart__label">Lun</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:79%" data-value="$41,200"></div>
+                </div>
+                <span class="bar-chart__label">Mar</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:71%" data-value="$36,800"></div>
+                </div>
+                <span class="bar-chart__label">Mié</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:100%" data-value="$52,000"></div>
+                </div>
+                <span class="bar-chart__label">Jue</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:88%" data-value="$45,800"></div>
+                </div>
+                <span class="bar-chart__label">Vie</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:55%" data-value="$28,600"></div>
+                </div>
+                <span class="bar-chart__label">Sáb</span>
+              </div>
+
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar today" style="height:87%" data-value="$45,230 ← Hoy"></div>
+                </div>
+                <span class="bar-chart__label" style="color:var(--color-primary);font-weight:700;">Dom</span>
+              </div>
+
+            </div>
+
+            <div class="chart-legend">
+              <div class="legend-item">
+                <div class="legend-dot"></div>
+                Ventas brutas
+              </div>
+              <div class="legend-item">
+                <div class="legend-dot legend-dot--success"></div>
+                Semana anterior promedio: $38,400
+              </div>
+            </div>
+
+          </div><!-- end chart-card -->
+        </section>
+
+        <!-- =================================================================
+             TOP PRODUCTOS / TOP CLIENTES
+             ================================================================= -->
+
+        <section>
+          <div class="section-header">
+            <span class="section-title">Rankings</span>
+          </div>
+          <div class="two-col-grid">
+
+            <!-- Top Productos -->
+            <div class="rank-card">
+              <div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4);">
+                <div style="font-family:var(--font-heading);font-weight:var(--heading-weight-secondary);font-size:var(--text-body-sm);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-text-secondary);">
+                  Top Productos
+                </div>
+                <div style="font-size:var(--text-caption);color:var(--color-primary);font-weight:var(--font-weight-semibold);cursor:pointer;">Ver todos</div>
+              </div>
+              <div class="rank-list">
+
+                <div class="rank-item">
+                  <div class="rank-num rank-num--1">1</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Balatas Brembo Delanteras</div>
+                    <div class="rank-item__sub">SKU-0041 &nbsp;·&nbsp; 84 pzas vendidas</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:100%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$67,200</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num rank-num--2">2</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Filtro de Aceite Mann</div>
+                    <div class="rank-item__sub">SKU-0087 &nbsp;·&nbsp; 121 pzas vendidas</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:78%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$52,360</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">3</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Amortiguador KYB Trasero</div>
+                    <div class="rank-item__sub">SKU-0023 &nbsp;·&nbsp; 38 pzas vendidas</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:61%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$41,040</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">4</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Bujía NGK Iridium</div>
+                    <div class="rank-item__sub">SKU-0156 &nbsp;·&nbsp; 204 pzas vendidas</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:49%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$32,844</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">5</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Banda de Distribución Gates</div>
+                    <div class="rank-item__sub">SKU-0072 &nbsp;·&nbsp; 27 pzas vendidas</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:38%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$25,650</div>
+                </div>
+
+              </div>
+            </div><!-- end Top Productos -->
+
+            <!-- Top Clientes -->
+            <div class="rank-card">
+              <div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4);">
+                <div style="font-family:var(--font-heading);font-weight:var(--heading-weight-secondary);font-size:var(--text-body-sm);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-text-secondary);">
+                  Top Clientes
+                </div>
+                <div style="font-size:var(--text-caption);color:var(--color-primary);font-weight:var(--font-weight-semibold);cursor:pointer;">Ver todos</div>
+              </div>
+              <div class="rank-list">
+
+                <div class="rank-item">
+                  <div class="rank-num rank-num--1">1</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Taller Mecánico Ramírez</div>
+                    <div class="rank-item__sub">RFC TMR-210415 &nbsp;·&nbsp; 18 compras/mes</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:100%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$89,400</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num rank-num--2">2</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Distribuidora Automotriz López</div>
+                    <div class="rank-item__sub">RFC DAL-190302 &nbsp;·&nbsp; 11 compras/mes</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:74%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$66,100</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">3</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Servicio Automotriz Torres</div>
+                    <div class="rank-item__sub">RFC SAT-180720 &nbsp;·&nbsp; 9 compras/mes</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:57%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$50,820</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">4</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Flotilla Empresarial Hernández</div>
+                    <div class="rank-item__sub">RFC FEH-200115 &nbsp;·&nbsp; 7 compras/mes</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:43%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$38,250</div>
+                </div>
+
+                <div class="rank-item">
+                  <div class="rank-num">5</div>
+                  <div class="rank-item__info">
+                    <div class="rank-item__name">Refaccionaria El Pistón</div>
+                    <div class="rank-item__sub">RFC REP-221108 &nbsp;·&nbsp; 5 compras/mes</div>
+                    <div class="rank-item__bar-bg">
+                      <div class="rank-item__bar-fill" style="width:30%"></div>
+                    </div>
+                  </div>
+                  <div class="rank-item__value">$26,700</div>
+                </div>
+
+              </div>
+            </div><!-- end Top Clientes -->
+
+          </div><!-- end two-col-grid -->
+        </section>
+
+        <!-- =================================================================
+             ALERTS
+             ================================================================= -->
+
+        <section>
+          <div class="section-header">
+            <span class="section-title">Alertas &amp; Pendientes</span>
+            <span class="section-action">Gestionar todo &rarr;</span>
+          </div>
+          <div class="alerts-grid">
+
+            <!-- Alert 1: Low stock (red) -->
+            <div class="alert-item alert-item--error">
+              <div class="alert-icon-wrap alert-icon-wrap--error">
+                <svg width="18" height="18" viewBox="0 0 18 18" fill="none">
+                  <path d="M9 3L16.5 15H1.5L9 3z" stroke="currentColor" stroke-width="1.5" stroke-linejoin="round"/>
+                  <path d="M9 8v3M9 12.5v.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
+                </svg>
+              </div>
+              <div class="alert-content">
+                <div style="display:flex;align-items:center;gap:var(--space-2);margin-bottom:3px;">
+                  <span class="alert-title">Stock Crítico</span>
+                  <span class="alert-badge alert-badge--error">3 items</span>
+                </div>
+                <div class="alert-desc">Balatas Brembo: <strong>3 unidades</strong> · Filtro Mann: <strong>2 unidades</strong> · Bujía NGK: <strong>5 unidades</strong></div>
+              </div>
+              <div class="alert-action">Reabastecer</div>
+            </div>
+
+            <!-- Alert 2: Pending invoices (yellow) -->
+            <div class="alert-item alert-item--warning">
+              <div class="alert-icon-wrap alert-icon-wrap--warning">
+                <svg width="18" height="18" viewBox="0 0 18 18" fill="none">
+                  <path d="M4 2h10a1 1 0 011 1v12a1 1 0 01-1 1H4a1 1 0 01-1-1V3a1 1 0 011-1z" stroke="currentColor" stroke-width="1.5"/>
+                  <path d="M6 7h6M6 9.5h4M6 12h2" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/>
+                </svg>
+              </div>
+              <div class="alert-content">
+                <div style="display:flex;align-items:center;gap:var(--space-2);margin-bottom:3px;">
+                  <span class="alert-title">Ventas sin Facturar</span>
+                  <span class="alert-badge alert-badge--warning">8 ventas</span>
+                </div>
+                <div class="alert-desc">8 ventas del día sin timbrar ante el SAT · Total: <strong>$34,820</strong> · Plazo límite hoy</div>
+              </div>
+              <div class="alert-action">Facturar</div>
+            </div>
+
+            <!-- Alert 3: Credits due (orange) -->
+            <div class="alert-item alert-item--orange">
+              <div class="alert-icon-wrap alert-icon-wrap--orange">
+                <svg width="18" height="18" viewBox="0 0 18 18" fill="none">
+                  <circle cx="9" cy="9" r="7" stroke="currentColor" stroke-width="1.5"/>
+                  <path d="M9 5v4l2.5 2.5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+                </svg>
+              </div>
+              <div class="alert-content">
+                <div style="display:flex;align-items:center;gap:var(--space-2);margin-bottom:3px;">
+                  <span class="alert-title">Crédito Vencido</span>
+                  <span class="alert-badge alert-badge--orange">Urgente</span>
+                </div>
+                <div class="alert-desc">Taller Ramírez: <strong>$12,500</strong> vencido hace 15 días · Distribuidora López: <strong>$8,200</strong> vence hoy</div>
+              </div>
+              <div class="alert-action">Cobrar</div>
+            </div>
+
+          </div><!-- end alerts-grid -->
+        </section>
+
+        <!-- =================================================================
+             RECENT SALES TABLE
+             ================================================================= -->
+
+        <section style="padding-bottom: var(--space-8);">
+          <div class="table-card">
+            <div class="table-header">
+              <div>
+                <div class="section-title">Ventas Recientes</div>
+                <div style="font-size:var(--text-caption);color:var(--color-text-muted);margin-top:2px;">Últimas 5 transacciones</div>
+              </div>
+              <div style="display:flex;gap:var(--space-3);align-items:center;">
+                <div style="font-size:var(--text-caption);color:var(--color-text-muted);">
+                  <svg width="12" height="12" viewBox="0 0 12 12" fill="none" style="display:inline;vertical-align:middle;margin-right:4px;">
+                    <circle cx="6" cy="6" r="4" stroke="currentColor" stroke-width="1.4"/>
+                    <circle cx="6" cy="6" r="1.5" fill="currentColor" class="pulse-dot"/>
+                  </svg>
+                  En vivo
+                </div>
+                <div class="section-action" style="margin:0;">Ver historial &rarr;</div>
+              </div>
+            </div>
+            <div class="table-wrap themed-scrollbar">
+              <table>
+                <thead>
+                  <tr>
+                    <th>Hora</th>
+                    <th>Cliente</th>
+                    <th>Productos</th>
+                    <th>Total</th>
+                    <th>Método Pago</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td><span class="td-time">14:32</span></td>
+                    <td><span class="td-client">Taller Ramírez</span></td>
+                    <td class="td-products">Balatas Brembo (x2), Filtro Mann (x1)</td>
+                    <td><span class="td-mono">$3,840</span></td>
+                    <td><span class="pago-badge pago-badge--credito">Crédito 30d</span></td>
+                  </tr>
+                  <tr>
+                    <td><span class="td-time">13:18</span></td>
+                    <td><span class="td-client">Público General</span></td>
+                    <td class="td-products">Amortiguador KYB (x1), Bujía NGK (x4)</td>
+                    <td><span class="td-mono">$2,156</span></td>
+                    <td><span class="pago-badge pago-badge--tarjeta">Tarjeta</span></td>
+                  </tr>
+                  <tr>
+                    <td><span class="td-time">12:45</span></td>
+                    <td><span class="td-client">Flotilla Hernández</span></td>
+                    <td class="td-products">Banda Gates (x3), Filtro aceite (x6)</td>
+                    <td><span class="td-mono">$7,380</span></td>
+                    <td><span class="pago-badge pago-badge--transferencia">Transferencia</span></td>
+                  </tr>
+                  <tr>
+                    <td><span class="td-time">11:07</span></td>
+                    <td><span class="td-client">Servicio Torres</span></td>
+                    <td class="td-products">Amortiguador KYB (x2)</td>
+                    <td><span class="td-mono">$2,160</span></td>
+                    <td><span class="pago-badge pago-badge--efectivo">Efectivo</span></td>
+                  </tr>
+                  <tr>
+                    <td><span class="td-time">10:23</span></td>
+                    <td><span class="td-client">Distribuidora López</span></td>
+                    <td class="td-products">Bujía NGK (x24), Filtro Mann (x12), Balatas (x4)</td>
+                    <td><span class="td-mono">$18,440</span></td>
+                    <td><span class="pago-badge pago-badge--transferencia">Transferencia</span></td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+        </section>
+
+      </div><!-- end dashboard -->
+
+    </div><!-- end main -->
+
+  </div><!-- end app-shell -->
+
+
+  <script src="/pos/static/js/dashboard.js"></script>
+
+</body>
+</html>
diff --git a/pos/templates/invoicing.html b/pos/templates/invoicing.html
index 78c6c60..2abbee5 100644
--- a/pos/templates/invoicing.html
+++ b/pos/templates/invoicing.html
@@ -1,133 +1,2704 @@
 <!DOCTYPE html>
-<html lang="es">
+<html lang="es" data-theme="industrial">
 <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Facturacion - Nexus POS</title>
-    <link rel="stylesheet" href="/pos/static/css/common.css">
-    <style>
-        .queue-filters { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
-        .queue-filters select, .queue-filters input { padding: 0.4rem 0.5rem; border: 1px solid var(--border);
-                                                      border-radius: 4px; font-size: 0.9rem; }
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Facturación CFDI — Nexus Autoparts POS</title>
+  <link rel="stylesheet" href="/pos/static/css/tokens.css" />
 
-        .queue-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
-        .queue-table th { text-align: left; padding: 0.5rem; border-bottom: 2px solid var(--border);
-                          font-weight: 600; color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; }
-        .queue-table td { padding: 0.5rem; border-bottom: 1px solid var(--border-light); }
-        .queue-table tr:hover { background: var(--bg-hover); cursor: pointer; }
+  <style>
+    /* =========================================================================
+       BASE RESET & SHELL
+       ========================================================================= */
 
-        .badge { padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
-                 display: inline-block; }
-        .badge-pending { background: #fef3c7; color: #92400e; }
-        .badge-sending { background: #dbeafe; color: #1e40af; }
-        .badge-stamped { background: #dcfce7; color: #166534; }
-        .badge-failed { background: #fee2e2; color: #991b1b; }
-        .badge-cancelled { background: #f3f4f6; color: #6b7280; }
+    *, *::before, *::after {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
 
-        .modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
-                         background: rgba(0,0,0,0.5); z-index: 1000; align-items: center;
-                         justify-content: center; }
-        .modal-overlay.active { display: flex; }
-        .modal { background: var(--bg); padding: 1.5rem; border-radius: 8px; width: 90%;
-                 max-width: 700px; max-height: 80vh; overflow-y: auto; }
-        .modal h3 { margin-top: 0; }
+    html, body {
+      height: 100%;
+    }
 
-        .xml-preview { background: #1e293b; color: #e2e8f0; padding: 1rem; border-radius: 6px;
-                       font-family: monospace; font-size: 0.8rem; white-space: pre-wrap;
-                       word-break: break-all; max-height: 300px; overflow-y: auto; }
+    body {
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+      background-color: var(--color-bg-base);
+      transition: background-color var(--duration-normal) var(--ease-in-out),
+                  color var(--duration-normal) var(--ease-in-out);
+      overflow: hidden;
+    }
 
-        .detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 1rem; }
-        .detail-item { padding: 0.5rem; background: var(--bg-subtle); border-radius: 4px; }
-        .detail-item label { display: block; font-size: 0.75rem; color: var(--text-muted); font-weight: 600; }
-        .detail-item span { font-size: 0.95rem; }
+    [data-theme="modern"] body {
+      background-color: var(--color-bg-base);
+      background-image: radial-gradient(
+        circle,
+        var(--dot-grid-color) 1px,
+        transparent 1px
+      );
+      background-size: var(--dot-grid-size) var(--dot-grid-size);
+    }
 
-        .form-group { margin-bottom: 0.75rem; }
-        .form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
-                            margin-bottom: 0.25rem; }
-        .form-group select, .form-group input { width: 100%; padding: 0.4rem 0.5rem; border: 1px solid var(--border);
-                                                border-radius: 4px; font-size: 0.9rem; }
+    /* =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= */
 
-        .stats { display: flex; gap: 1rem; margin-bottom: 1rem; }
-        .stat-card { background: var(--bg-subtle); padding: 0.75rem 1rem; border-radius: 6px; flex: 1;
-                     text-align: center; }
-        .stat-card .number { font-size: 1.5rem; font-weight: 700; }
-        .stat-card .label { font-size: 0.8rem; color: var(--text-muted); }
-    </style>
+    .theme-bar {
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      z-index: var(--z-toast);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 var(--space-5);
+      background: var(--color-bg-overlay);
+      border-bottom: 1px solid var(--color-border);
+      backdrop-filter: blur(10px);
+      height: 36px;
+    }
+
+    [data-theme="industrial"] .theme-bar {
+      background: rgba(13, 13, 13, 0.95);
+      border-bottom-color: var(--color-primary-muted);
+    }
+
+    .theme-bar__left {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .theme-bar__store {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.75rem;
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-accent);
+    }
+
+    .theme-bar__dot {
+      width: 6px;
+      height: 6px;
+      background: var(--color-success);
+      border-radius: var(--radius-full);
+      box-shadow: 0 0 6px var(--color-success);
+      animation: blink 2.5s ease-in-out infinite;
+    }
+
+    @keyframes blink {
+      0%, 100% { opacity: 1; }
+      50%       { opacity: 0.35; }
+    }
+
+    .theme-bar__sep {
+      width: 1px;
+      height: 16px;
+      background: var(--color-border);
+    }
+
+    .theme-bar__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .theme-bar__right {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .theme-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-1);
+      padding: 2px var(--space-3);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-full);
+      background: transparent;
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .theme-btn:hover {
+      border-color: var(--color-primary);
+      color: var(--color-primary);
+    }
+
+    .theme-btn.is-active {
+      background: var(--color-primary);
+      border-color: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .theme-btn__swatch {
+      width: 8px;
+      height: 8px;
+      border-radius: var(--radius-full);
+    }
+
+    .theme-btn--industrial .theme-btn__swatch { background: #F5A623; }
+    .theme-btn--modern    .theme-btn__swatch  { background: #FF6B35; }
+
+    /* =========================================================================
+       APP LAYOUT
+       ========================================================================= */
+
+    .app-shell {
+      display: flex;
+      height: 100vh;
+      padding-top: 36px;
+    }
+
+    /* =========================================================================
+       SIDEBAR
+       ========================================================================= */
+
+    .sidebar {
+      width: 260px;
+      flex-shrink: 0;
+      display: flex;
+      flex-direction: column;
+      background: var(--color-bg-elevated);
+      border-right: 1px solid var(--color-border);
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .sidebar::-webkit-scrollbar       { width: 4px; }
+    .sidebar::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    /* Brand */
+
+    .sidebar__brand {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-4) var(--space-4) var(--space-3);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    .brand-logo {
+      width: 36px;
+      height: 36px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.125rem;
+      letter-spacing: -0.04em;
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .brand-logo {
+      clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
+    }
+
+    [data-theme="modern"] .brand-logo {
+      border-radius: var(--radius-md);
+    }
+
+    .brand-name__primary {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.9375rem;
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      color: var(--color-text-primary);
+      line-height: 1;
+    }
+
+    .brand-name__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      margin-top: 2px;
+    }
+
+    /* Navigation */
+
+    .sidebar__nav {
+      flex: 1;
+      padding: var(--space-3) 0;
+    }
+
+    .nav-section-label {
+      padding: var(--space-3) var(--space-4) var(--space-1);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .nav-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-2) var(--space-4);
+      color: var(--color-text-secondary);
+      text-decoration: none;
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      border-left: 3px solid transparent;
+      transition: var(--transition-fast);
+      cursor: pointer;
+    }
+
+    .nav-item:hover {
+      background: var(--color-surface-2);
+      color: var(--color-text-primary);
+    }
+
+    .nav-item.is-active {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      border-left-color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .nav-item__icon {
+      width: 18px;
+      height: 18px;
+      flex-shrink: 0;
+      opacity: 0.7;
+    }
+
+    .nav-item.is-active .nav-item__icon {
+      opacity: 1;
+    }
+
+    /* Sidebar footer */
+
+    .sidebar__footer {
+      padding: var(--space-3) var(--space-4);
+      border-top: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .sidebar__user-avatar {
+      width: 28px;
+      height: 28px;
+      border-radius: var(--radius-full);
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-bold);
+      flex-shrink: 0;
+    }
+
+    .sidebar__user-info { flex: 1; overflow: hidden; }
+
+    .sidebar__user-name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .sidebar__user-role {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    /* =========================================================================
+       MAIN CONTENT
+       ========================================================================= */
+
+    .main {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      overflow: hidden;
+      min-width: 0;
+    }
+
+    /* ---- Page Header ---- */
+
+    .page-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .page-header {
+      background: var(--color-surface-1);
+    }
+
+    .page-header__title-group { display: flex; flex-direction: column; gap: 2px; }
+
+    .page-header__eyebrow {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .page-header__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+      letter-spacing: var(--heading-tracking-h4);
+      color: var(--color-text-primary);
+      line-height: 1.2;
+    }
+
+    [data-theme="industrial"] .page-header__title {
+      text-transform: uppercase;
+    }
+
+    .page-header__actions {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    /* ---- Summary Cards ---- */
+
+    .summary-strip {
+      display: grid;
+      grid-template-columns: repeat(4, 1fr);
+      gap: var(--space-4);
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-base);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    [data-theme="modern"] .summary-strip {
+      background: transparent;
+    }
+
+    .summary-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      display: flex;
+      align-items: flex-start;
+      gap: var(--space-3);
+      box-shadow: var(--shadow-sm);
+      transition: var(--transition-normal);
+    }
+
+    .summary-card:hover {
+      box-shadow: var(--shadow-md);
+      border-color: var(--color-border-strong);
+    }
+
+    [data-theme="industrial"] .summary-card {
+      border-left: 3px solid var(--color-primary);
+    }
+
+    [data-theme="modern"] .summary-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .summary-card__icon {
+      width: 38px;
+      height: 38px;
+      border-radius: var(--radius-md);
+      background: var(--color-primary-muted);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .summary-card__icon svg {
+      width: 20px;
+      height: 20px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .summary-card__icon--money    { background: rgba(34,197,94,.12); }
+    .summary-card__icon--money svg { stroke: var(--color-success); }
+    .summary-card__icon--pending   { background: rgba(234,179,8,.12); }
+    .summary-card__icon--pending svg { stroke: var(--color-warning); }
+    .summary-card__icon--cancelled { background: rgba(239,68,68,.12); }
+    .summary-card__icon--cancelled svg { stroke: var(--color-error); }
+
+    .summary-card__body { flex: 1; min-width: 0; }
+
+    .summary-card__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      margin-bottom: var(--space-1);
+    }
+
+    .summary-card__value {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.5rem;
+      color: var(--color-text-primary);
+      line-height: 1.1;
+    }
+
+    .summary-card__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    .summary-card__delta {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      margin-top: 2px;
+    }
+
+    .summary-card__delta--up   { color: var(--color-success); }
+    .summary-card__delta--down { color: var(--color-error); }
+
+    /* ---- Tabs Row ---- */
+
+    .tabs-row {
+      display: flex;
+      align-items: stretch;
+      gap: 0;
+      padding: 0 var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+      overflow-x: auto;
+      scrollbar-width: none;
+    }
+
+    .tabs-row::-webkit-scrollbar { display: none; }
+
+    [data-theme="industrial"] .tabs-row {
+      background: var(--color-surface-1);
+    }
+
+    .tab-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: var(--space-3) var(--space-4);
+      border: none;
+      border-bottom: 2px solid transparent;
+      background: transparent;
+      color: var(--color-text-muted);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      white-space: nowrap;
+      transition: var(--transition-fast);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      position: relative;
+    }
+
+    .tab-btn:hover {
+      color: var(--color-text-primary);
+      background: var(--color-surface-2);
+    }
+
+    .tab-btn.is-active {
+      color: var(--color-primary);
+      border-bottom-color: var(--color-primary);
+    }
+
+    .tab-btn__badge {
+      display: inline-flex;
+      align-items: center;
+      justify-content: center;
+      min-width: 18px;
+      height: 18px;
+      padding: 0 var(--space-1);
+      border-radius: var(--radius-full);
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-bold);
+    }
+
+    .tab-btn.is-active .tab-btn__badge {
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+    }
+
+    .tab-btn__badge--warn {
+      background: rgba(234,179,8,.15);
+      color: var(--color-warning);
+    }
+
+    .tab-btn.is-active .tab-btn__badge--warn {
+      background: var(--color-warning);
+      color: #000;
+    }
+
+    /* ---- Tab Panels ---- */
+
+    .tab-panels {
+      flex: 1;
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .tab-panels::-webkit-scrollbar       { width: 6px; }
+    .tab-panels::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .tab-panels::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    .tab-panel {
+      display: none;
+      padding: var(--space-5) var(--space-6);
+    }
+
+    .tab-panel.is-active {
+      display: block;
+    }
+
+    /* =========================================================================
+       TOOLBAR (search, filters, actions)
+       ========================================================================= */
+
+    .toolbar {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      margin-bottom: var(--space-4);
+      flex-wrap: wrap;
+    }
+
+    .search-box {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      padding: 0 var(--space-3);
+      height: 36px;
+      flex: 1;
+      min-width: 200px;
+      max-width: 320px;
+      transition: var(--transition-fast);
+    }
+
+    .search-box:focus-within {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .search-box svg {
+      width: 15px;
+      height: 15px;
+      stroke: var(--color-text-muted);
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      flex-shrink: 0;
+    }
+
+    .search-box input {
+      flex: 1;
+      background: transparent;
+      border: none;
+      outline: none;
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+    }
+
+    .search-box input::placeholder {
+      color: var(--color-text-muted);
+    }
+
+    .select-filter {
+      height: 36px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      cursor: pointer;
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    .select-filter:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .date-range {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      padding: 0 var(--space-3);
+      height: 36px;
+      font-size: var(--text-body-sm);
+      color: var(--color-text-secondary);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      white-space: nowrap;
+    }
+
+    .date-range:hover {
+      border-color: var(--color-border-strong);
+    }
+
+    .date-range svg {
+      width: 14px;
+      height: 14px;
+      stroke: var(--color-text-muted);
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      flex-shrink: 0;
+    }
+
+    .toolbar__spacer { flex: 1; }
+
+    /* =========================================================================
+       BUTTONS
+       ========================================================================= */
+
+    .btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: 0 var(--space-4);
+      height: 36px;
+      border-radius: var(--radius-md);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      cursor: pointer;
+      border: 1px solid transparent;
+      transition: var(--transition-fast);
+      text-decoration: none;
+      white-space: nowrap;
+    }
+
+    .btn svg {
+      width: 15px;
+      height: 15px;
+      stroke: currentColor;
+      fill: none;
+      stroke-width: 2;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+      flex-shrink: 0;
+    }
+
+    .btn--primary {
+      background: var(--btn-primary-bg);
+      color: var(--btn-primary-text);
+      border-color: var(--btn-primary-border);
+    }
+
+    .btn--primary:hover {
+      background: var(--btn-primary-bg-hover);
+    }
+
+    .btn--secondary {
+      background: var(--btn-secondary-bg);
+      color: var(--btn-secondary-text);
+      border-color: var(--btn-secondary-border);
+    }
+
+    .btn--secondary:hover {
+      background: var(--btn-secondary-bg-hover);
+    }
+
+    .btn--ghost {
+      background: var(--btn-ghost-bg);
+      color: var(--btn-ghost-text);
+      border-color: var(--btn-ghost-border);
+    }
+
+    .btn--ghost:hover {
+      background: var(--color-surface-2);
+      border-color: var(--color-border-strong);
+      color: var(--color-text-primary);
+    }
+
+    .btn--sm {
+      height: 28px;
+      padding: 0 var(--space-3);
+      font-size: var(--text-caption);
+    }
+
+    .btn--danger {
+      background: rgba(239,68,68,.1);
+      color: var(--color-error);
+      border-color: rgba(239,68,68,.25);
+    }
+
+    .btn--danger:hover {
+      background: rgba(239,68,68,.2);
+    }
+
+    /* =========================================================================
+       DATA TABLE
+       ========================================================================= */
+
+    .table-wrapper {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .table-wrapper {
+      background: var(--color-bg-overlay);
+    }
+
+    .data-table {
+      width: 100%;
+      border-collapse: collapse;
+      font-size: var(--text-body-sm);
+    }
+
+    .data-table thead {
+      background: var(--color-surface-2);
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    [data-theme="industrial"] .data-table thead {
+      background: var(--color-surface-3);
+    }
+
+    .data-table th {
+      padding: var(--space-3) var(--space-4);
+      text-align: left;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+      white-space: nowrap;
+    }
+
+    .data-table th:first-child { padding-left: var(--space-5); }
+    .data-table th:last-child  { padding-right: var(--space-5); }
+
+    .data-table tbody tr {
+      border-bottom: 1px solid var(--color-border);
+      transition: background var(--duration-fast) var(--ease-in-out);
+    }
+
+    .data-table tbody tr:last-child {
+      border-bottom: none;
+    }
+
+    .data-table tbody tr:hover {
+      background: var(--color-surface-2);
+    }
+
+    .data-table td {
+      padding: var(--space-3) var(--space-4);
+      color: var(--color-text-secondary);
+      vertical-align: middle;
+    }
+
+    .data-table td:first-child { padding-left: var(--space-5); }
+    .data-table td:last-child  { padding-right: var(--space-5); }
+
+    .data-table .td--primary {
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+    }
+
+    .data-table .td--mono {
+      font-family: var(--font-mono);
+      font-size: 0.8125rem;
+      color: var(--color-text-accent);
+    }
+
+    .data-table .td--amount {
+      font-family: var(--font-mono);
+      font-size: 0.8125rem;
+      color: var(--color-text-primary);
+      font-weight: var(--font-weight-semibold);
+      text-align: right;
+    }
+
+    /* =========================================================================
+       BADGES / STATUS PILLS
+       ========================================================================= */
+
+    .badge {
+      display: inline-flex;
+      align-items: center;
+      gap: 4px;
+      padding: 2px var(--space-2);
+      border-radius: var(--radius-full);
+      font-size: 0.6875rem;
+      font-weight: var(--font-weight-bold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    .badge::before {
+      content: '';
+      width: 5px;
+      height: 5px;
+      border-radius: var(--radius-full);
+      background: currentColor;
+      flex-shrink: 0;
+    }
+
+    /* CFDI-specific statuses */
+    .badge--timbrada {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .badge--pendiente {
+      background: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    .badge--cancelada {
+      background: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    .badge--ppd {
+      background: rgba(99, 102, 241, 0.15);
+      color: #818cf8;
+    }
+
+    .badge--proceso {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+    }
+
+    .badge--aceptada {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .badge--rechazada {
+      background: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    .badge--vigente {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .badge--por-vencer {
+      background: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    /* =========================================================================
+       TABLE FOOTER / PAGINATION ROW
+       ========================================================================= */
+
+    .table-footer {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-3) var(--space-5);
+      border-top: 1px solid var(--color-border);
+      background: var(--color-surface-1);
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .pagination {
+      display: flex;
+      align-items: center;
+      gap: var(--space-1);
+    }
+
+    .page-btn {
+      width: 28px;
+      height: 28px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-sm);
+      background: transparent;
+      color: var(--color-text-secondary);
+      font-size: var(--text-caption);
+      font-family: var(--font-body);
+      cursor: pointer;
+      transition: var(--transition-fast);
+    }
+
+    .page-btn:hover {
+      border-color: var(--color-primary);
+      color: var(--color-primary);
+    }
+
+    .page-btn.is-active {
+      background: var(--color-primary);
+      border-color: var(--color-primary);
+      color: var(--color-text-inverse);
+      font-weight: var(--font-weight-bold);
+    }
+
+    /* =========================================================================
+       CANCELLATION CARDS (Tab Cancelaciones)
+       ========================================================================= */
+
+    .cancel-grid {
+      display: grid;
+      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+      gap: var(--space-4);
+    }
+
+    .cancel-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      box-shadow: var(--shadow-sm);
+      transition: var(--transition-normal);
+      position: relative;
+      overflow: hidden;
+    }
+
+    [data-theme="modern"] .cancel-card {
+      background: var(--color-bg-overlay);
+    }
+
+    .cancel-card::before {
+      content: '';
+      position: absolute;
+      left: 0;
+      top: 0;
+      bottom: 0;
+      width: 4px;
+    }
+
+    .cancel-card--proceso::before   { background: var(--color-primary); }
+    .cancel-card--aceptada::before  { background: var(--color-success); }
+    .cancel-card--rechazada::before { background: var(--color-error); }
+
+    .cancel-card:hover {
+      box-shadow: var(--shadow-md);
+      transform: translateY(-1px);
+    }
+
+    .cancel-card__header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-3);
+    }
+
+    .cancel-card__folio {
+      font-family: var(--font-mono);
+      font-size: 0.875rem;
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-accent);
+    }
+
+    .cancel-card__body {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-2);
+    }
+
+    .cancel-card__row {
+      display: flex;
+      align-items: flex-start;
+      gap: var(--space-2);
+    }
+
+    .cancel-card__row-label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      text-transform: uppercase;
+      letter-spacing: var(--tracking-wide);
+      font-weight: var(--font-weight-semibold);
+      min-width: 80px;
+      flex-shrink: 0;
+      padding-top: 1px;
+    }
+
+    .cancel-card__row-value {
+      font-size: var(--text-body-sm);
+      color: var(--color-text-secondary);
+      line-height: var(--leading-caption);
+    }
+
+    .cancel-card__footer {
+      margin-top: var(--space-3);
+      padding-top: var(--space-3);
+      border-top: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+    }
+
+    /* =========================================================================
+       CONFIG FORM (Tab Configuración CFDI)
+       ========================================================================= */
+
+    .config-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-5);
+    }
+
+    .config-section {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="modern"] .config-section {
+      background: var(--color-bg-overlay);
+    }
+
+    [data-theme="industrial"] .config-section {
+      border-left: 3px solid var(--color-primary);
+    }
+
+    .config-section__header {
+      padding: var(--space-4) var(--space-5);
+      border-bottom: 1px solid var(--color-border);
+      background: var(--color-surface-2);
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    [data-theme="industrial"] .config-section__header {
+      background: var(--color-surface-3);
+    }
+
+    .config-section__header svg {
+      width: 18px;
+      height: 18px;
+      stroke: var(--color-primary);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+      flex-shrink: 0;
+    }
+
+    .config-section__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-body-sm);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      color: var(--color-text-secondary);
+      flex: 1;
+    }
+
+    .config-section__body {
+      padding: var(--space-5);
+    }
+
+    .form-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-4);
+    }
+
+    .form-field {
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-1);
+    }
+
+    .form-field--span2 {
+      grid-column: span 2;
+    }
+
+    .form-label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      color: var(--color-text-muted);
+    }
+
+    .form-input {
+      height: 36px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-base);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    .form-input:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .form-select {
+      height: 36px;
+      padding: 0 var(--space-3);
+      background: var(--color-bg-base);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      outline: none;
+      cursor: pointer;
+      transition: var(--transition-fast);
+    }
+
+    .form-select:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-accent);
+    }
+
+    .form-hint {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .cert-status {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-3) var(--space-4);
+      background: var(--color-surface-2);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      margin-bottom: var(--space-4);
+    }
+
+    [data-theme="industrial"] .cert-status {
+      background: var(--color-surface-3);
+    }
+
+    .cert-status__icon {
+      width: 36px;
+      height: 36px;
+      border-radius: var(--radius-md);
+      background: rgba(34,197,94,.12);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .cert-status__icon svg {
+      width: 20px;
+      height: 20px;
+      stroke: var(--color-success);
+      fill: none;
+      stroke-width: 1.75;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
+
+    .cert-status__info { flex: 1; }
+
+    .cert-status__name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .cert-status__detail {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      margin-top: 2px;
+    }
+
+    /* Section headings */
+
+    .section-heading {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      margin-bottom: var(--space-4);
+    }
+
+    .section-heading__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-h6);
+      letter-spacing: var(--heading-tracking-h6);
+      text-transform: uppercase;
+      color: var(--color-text-secondary);
+      white-space: nowrap;
+    }
+
+    .section-heading__line {
+      flex: 1;
+      height: 1px;
+      background: var(--color-border);
+    }
+
+    /* =========================================================================
+       RESPONSIVE
+       ========================================================================= */
+
+    @media (max-width: 1200px) {
+      .config-grid {
+        grid-template-columns: 1fr;
+      }
+
+      .config-section[style*="span 2"] {
+        grid-column: span 1;
+      }
+    }
+
+    @media (max-width: 1024px) {
+      .summary-strip {
+        grid-template-columns: repeat(2, 1fr);
+      }
+
+      .sidebar {
+        width: 60px;
+        overflow: visible;
+      }
+
+      .brand-name, .nav-item span, .sidebar__user-info,
+      .nav-section-label { display: none; }
+
+      .nav-item {
+        justify-content: center;
+        padding: var(--space-3);
+        border-left: none;
+        border-bottom: 2px solid transparent;
+      }
+
+      .nav-item.is-active {
+        border-left: none;
+        border-bottom-color: var(--color-primary);
+      }
+    }
+
+    @media (max-width: 768px) {
+      .summary-strip {
+        grid-template-columns: repeat(2, 1fr);
+        padding: var(--space-3) var(--space-4);
+        gap: var(--space-3);
+      }
+
+      .page-header { padding: var(--space-3) var(--space-4); }
+      .tabs-row    { padding: 0 var(--space-4); }
+      .tab-panel   { padding: var(--space-4); }
+      .toolbar     { gap: var(--space-2); }
+      .search-box  { max-width: 100%; }
+
+      .page-header__actions { display: none; }
+      .form-grid { grid-template-columns: 1fr; }
+      .form-field--span2 { grid-column: span 1; }
+    }
+  </style>
 </head>
+
 <body>
-    <div class="container">
-        <div class="header">
-            <h1>Facturacion CFDI</h1>
-            <div style="display:flex;gap:0.5rem;">
-                <button class="btn btn-primary" onclick="Invoicing.processQueue()">Procesar Cola</button>
-                <a href="/pos/sale" class="btn btn-secondary">POS</a>
-                <a href="/pos/accounting" class="btn btn-secondary">Contabilidad</a>
-            </div>
+
+  <!-- =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= -->
+
+  <header class="theme-bar" role="banner">
+    <div class="theme-bar__left">
+      <div class="theme-bar__store">
+        <span class="theme-bar__dot"></span>
+        Nexus Autoparts
+      </div>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label">Sucursal Centro &mdash; Usuario: H. García</span>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label" id="live-clock">--:--:--</span>
+    </div>
+    <div class="theme-bar__right">
+      <span class="theme-bar__label">Tema:</span>
+      <button class="theme-btn theme-btn--industrial is-active" data-theme-target="industrial" onclick="setTheme('industrial')">
+        <span class="theme-btn__swatch"></span>
+        Industrial
+      </button>
+      <button class="theme-btn theme-btn--modern" data-theme-target="modern" onclick="setTheme('modern')">
+        <span class="theme-btn__swatch"></span>
+        Moderno
+      </button>
+    </div>
+  </header>
+
+  <!-- =========================================================================
+       APP SHELL
+       ========================================================================= -->
+
+  <div class="app-shell">
+
+    <!-- -----------------------------------------------------------------------
+         SIDEBAR NAVIGATION
+         ----------------------------------------------------------------------- -->
+
+    <aside class="sidebar" role="navigation" aria-label="Navegación principal">
+
+      <!-- Brand -->
+      <div class="sidebar__brand">
+        <div class="brand-logo">NA</div>
+        <div class="brand-name">
+          <span class="brand-name__primary">Nexus</span>
+          <span class="brand-name__sub">Autoparts POS</span>
+        </div>
+      </div>
+
+      <!-- Nav -->
+      <nav class="sidebar__nav">
+
+        <div class="nav-section-label">Principal</div>
+
+        <a class="nav-item" href="dashboard.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <rect x="3" y="3" width="7" height="7"/>
+            <rect x="14" y="3" width="7" height="7"/>
+            <rect x="14" y="14" width="7" height="7"/>
+            <rect x="3" y="14" width="7" height="7"/>
+          </svg>
+          <span>Dashboard</span>
+        </a>
+
+        <a class="nav-item" href="pos.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <rect x="2" y="3" width="20" height="14" rx="2"/>
+            <path d="M8 21h8M12 17v4"/>
+          </svg>
+          <span>POS</span>
+        </a>
+
+        <a class="nav-item" href="catalogo.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <path d="M4 6h16M4 10h16M4 14h16M4 18h16"/>
+          </svg>
+          <span>Catálogo</span>
+        </a>
+
+        <a class="nav-item" href="inventario.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/>
+            <polyline points="3.27 6.96 12 12.01 20.73 6.96"/>
+            <line x1="12" y1="22.08" x2="12" y2="12"/>
+          </svg>
+          <span>Inventario</span>
+        </a>
+
+        <div class="nav-section-label">Gestión</div>
+
+        <a class="nav-item" href="clientes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/>
+            <circle cx="9" cy="7" r="4"/>
+            <path d="M23 21v-2a4 4 0 0 0-3-3.87M16 3.13a4 4 0 0 1 0 7.75"/>
+          </svg>
+          <span>Clientes</span>
+        </a>
+
+        <a class="nav-item is-active" href="facturacion.html" aria-current="page">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/>
+            <polyline points="14 2 14 8 20 8"/>
+            <line x1="16" y1="13" x2="8" y2="13"/>
+            <line x1="16" y1="17" x2="8" y2="17"/>
+            <polyline points="10 9 9 9 8 9"/>
+          </svg>
+          <span>Facturación</span>
+        </a>
+
+        <a class="nav-item" href="contabilidad.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <line x1="12" y1="1" x2="12" y2="23"/>
+            <path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
+          </svg>
+          <span>Contabilidad</span>
+        </a>
+
+        <a class="nav-item" href="reportes.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <line x1="18" y1="20" x2="18" y2="10"/>
+            <line x1="12" y1="20" x2="12" y2="4"/>
+            <line x1="6"  y1="20" x2="6"  y2="14"/>
+          </svg>
+          <span>Reportes</span>
+        </a>
+
+        <div class="nav-section-label">Sistema</div>
+
+        <a class="nav-item" href="configuracion.html">
+          <svg class="nav-item__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round">
+            <circle cx="12" cy="12" r="3"/>
+            <path d="M19.07 4.93a10 10 0 0 1 0 14.14M4.93 4.93a10 10 0 0 0 0 14.14"/>
+          </svg>
+          <span>Configuración</span>
+        </a>
+
+      </nav>
+
+      <!-- Footer user -->
+      <div class="sidebar__footer">
+        <div class="sidebar__user-avatar">HG</div>
+        <div class="sidebar__user-info">
+          <div class="sidebar__user-name">Hugo García</div>
+          <div class="sidebar__user-role">Administrador</div>
+        </div>
+      </div>
+
+    </aside>
+
+    <!-- -----------------------------------------------------------------------
+         MAIN CONTENT
+         ----------------------------------------------------------------------- -->
+
+    <main class="main" role="main">
+
+      <!-- Page Header -->
+      <div class="page-header">
+        <div class="page-header__title-group">
+          <span class="page-header__eyebrow">Gestión</span>
+          <h1 class="page-header__title">Facturación CFDI</h1>
+        </div>
+        <div class="page-header__actions">
+          <button class="btn btn--ghost">
+            <svg viewBox="0 0 24 24">
+              <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+              <polyline points="7 10 12 15 17 10"/>
+              <line x1="12" y1="15" x2="12" y2="3"/>
+            </svg>
+            Exportar
+          </button>
+          <button class="btn btn--secondary">
+            <svg viewBox="0 0 24 24">
+              <path d="M9 14l-4-4 4-4"/>
+              <path d="M5 10h11a4 4 0 0 1 0 8h-1"/>
+            </svg>
+            Nota de Crédito
+          </button>
+          <button class="btn btn--primary">
+            <svg viewBox="0 0 24 24">
+              <line x1="12" y1="5" x2="12" y2="19"/>
+              <line x1="5" y1="12" x2="19" y2="12"/>
+            </svg>
+            Nueva Factura
+          </button>
+        </div>
+      </div>
+
+      <!-- Summary Cards -->
+      <div class="summary-strip">
+
+        <div class="summary-card">
+          <div class="summary-card__icon">
+            <svg viewBox="0 0 24 24">
+              <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/>
+              <polyline points="14 2 14 8 20 8"/>
+              <line x1="16" y1="13" x2="8" y2="13"/>
+              <line x1="16" y1="17" x2="8" y2="17"/>
+            </svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Facturas del Mes</div>
+            <div class="summary-card__value">247</div>
+            <div class="summary-card__delta summary-card__delta--up">+18 vs mes anterior</div>
+          </div>
         </div>
 
-        <!-- Stats -->
-        <div class="stats" id="queue-stats"></div>
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--money">
+            <svg viewBox="0 0 24 24">
+              <line x1="12" y1="1" x2="12" y2="23"/>
+              <path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
+            </svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Monto Facturado</div>
+            <div class="summary-card__value">$842,190</div>
+            <div class="summary-card__sub">MXN · Mes en curso</div>
+          </div>
+        </div>
 
-        <!-- Filters -->
-        <div class="queue-filters">
-            <select id="filter-status">
-                <option value="">Todos los estados</option>
-                <option value="pending">Pendiente</option>
-                <option value="sending">Enviando</option>
-                <option value="stamped">Timbrado</option>
-                <option value="failed">Fallido</option>
-                <option value="cancelled">Cancelado</option>
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--pending">
+            <svg viewBox="0 0 24 24">
+              <circle cx="12" cy="12" r="10"/>
+              <polyline points="12 6 12 12 16 14"/>
+            </svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Pendientes de Pago</div>
+            <div class="summary-card__value">34</div>
+            <div class="summary-card__delta summary-card__delta--down">$156,400.00 MXN</div>
+          </div>
+        </div>
+
+        <div class="summary-card">
+          <div class="summary-card__icon summary-card__icon--cancelled">
+            <svg viewBox="0 0 24 24">
+              <circle cx="12" cy="12" r="10"/>
+              <line x1="15" y1="9" x2="9" y2="15"/>
+              <line x1="9" y1="9" x2="15" y2="15"/>
+            </svg>
+          </div>
+          <div class="summary-card__body">
+            <div class="summary-card__label">Canceladas</div>
+            <div class="summary-card__value">6</div>
+            <div class="summary-card__sub">Este mes</div>
+          </div>
+        </div>
+
+      </div>
+
+      <!-- Tabs Row -->
+      <div class="tabs-row" role="tablist" aria-label="Módulos de Facturación">
+        <button class="tab-btn is-active" role="tab" aria-selected="true"  aria-controls="panel-facturas"     id="tab-facturas"     onclick="switchTab('facturas')">
+          Facturas <span class="tab-btn__badge">247</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" aria-controls="panel-notas"        id="tab-notas"        onclick="switchTab('notas')">
+          Notas de Crédito <span class="tab-btn__badge">8</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" aria-controls="panel-complementos" id="tab-complementos" onclick="switchTab('complementos')">
+          Complementos de Pago <span class="tab-btn__badge">12</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" aria-controls="panel-cancelaciones" id="tab-cancelaciones" onclick="switchTab('cancelaciones')">
+          Cancelaciones <span class="tab-btn__badge tab-btn__badge--warn">6</span>
+        </button>
+        <button class="tab-btn" role="tab" aria-selected="false" aria-controls="panel-config"       id="tab-config"       onclick="switchTab('config')">
+          Configuración CFDI
+        </button>
+      </div>
+
+      <!-- Tab Panels -->
+      <div class="tab-panels" id="tab-panels">
+
+        <!-- =================================================================
+             TAB 1 — FACTURAS
+             ================================================================= -->
+        <div class="tab-panel is-active" id="panel-facturas" role="tabpanel" aria-labelledby="tab-facturas">
+
+          <div class="toolbar">
+            <div class="search-box">
+              <svg viewBox="0 0 24 24" stroke-linecap="round">
+                <circle cx="11" cy="11" r="8"/>
+                <line x1="21" y1="21" x2="16.65" y2="16.65"/>
+              </svg>
+              <input type="text" placeholder="Buscar folio, RFC, cliente…" />
+            </div>
+
+            <div class="date-range">
+              <svg viewBox="0 0 24 24">
+                <rect x="3" y="4" width="18" height="18" rx="2" ry="2"/>
+                <line x1="16" y1="2" x2="16" y2="6"/>
+                <line x1="8" y1="2" x2="8" y2="6"/>
+                <line x1="3" y1="10" x2="21" y2="10"/>
+              </svg>
+              01 Mar 2026 — 31 Mar 2026
+            </div>
+
+            <select class="select-filter" aria-label="Filtrar por estatus">
+              <option value="">Todas</option>
+              <option value="timbrada">Timbradas</option>
+              <option value="pendiente">Pendientes</option>
+              <option value="cancelada">Canceladas</option>
+              <option value="ppd">PPD</option>
             </select>
-            <select id="filter-type">
-                <option value="">Todos los tipos</option>
-                <option value="ingreso">Ingreso</option>
-                <option value="egreso">Egreso</option>
-                <option value="pago">Pago</option>
+
+            <div class="toolbar__spacer"></div>
+
+            <button class="btn btn--ghost">
+              <svg viewBox="0 0 24 24">
+                <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                <polyline points="7 10 12 15 17 10"/>
+                <line x1="12" y1="15" x2="12" y2="3"/>
+              </svg>
+              Exportar CSV
+            </button>
+          </div>
+
+          <div class="table-wrapper">
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th>Folio</th>
+                  <th>Serie</th>
+                  <th>Cliente</th>
+                  <th>RFC</th>
+                  <th style="text-align:right;">Subtotal</th>
+                  <th style="text-align:right;">IVA</th>
+                  <th style="text-align:right;">Total</th>
+                  <th>Uso CFDI</th>
+                  <th>Estatus</th>
+                  <th>Acciones</th>
+                </tr>
+              </thead>
+              <tbody>
+
+                <tr>
+                  <td class="td--mono">NAP-001289</td>
+                  <td class="td--primary">A</td>
+                  <td class="td--primary">Taller Mecánico Ramírez</td>
+                  <td class="td--mono">TMR8402156HJ</td>
+                  <td class="td--amount">$3,450.00</td>
+                  <td class="td--amount">$552.00</td>
+                  <td class="td--amount">$4,002.00</td>
+                  <td style="font-size:var(--text-caption);">G03 Gastos en general</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NAP-001288</td>
+                  <td class="td--primary">A</td>
+                  <td class="td--primary">Distribuidora Automotriz del Norte SA de CV</td>
+                  <td class="td--mono">DAN950312AB7</td>
+                  <td class="td--amount">$18,760.00</td>
+                  <td class="td--amount">$3,001.60</td>
+                  <td class="td--amount">$21,761.60</td>
+                  <td style="font-size:var(--text-caption);">G01 Adquisición de mercancias</td>
+                  <td><span class="badge badge--ppd">PPD</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NAP-001287</td>
+                  <td class="td--primary">A</td>
+                  <td class="td--primary">Flotillas Logísticas Monterrey</td>
+                  <td class="td--mono">FLM8710234KL9</td>
+                  <td class="td--amount">$7,890.00</td>
+                  <td class="td--amount">$1,262.40</td>
+                  <td class="td--amount">$9,152.40</td>
+                  <td style="font-size:var(--text-caption);">G03 Gastos en general</td>
+                  <td><span class="badge badge--pendiente">Pendiente</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NAP-001286</td>
+                  <td class="td--primary">B</td>
+                  <td class="td--primary">Servicio Exprés Autopartes</td>
+                  <td class="td--mono">SEA020819PP3</td>
+                  <td class="td--amount">$1,120.00</td>
+                  <td class="td--amount">$179.20</td>
+                  <td class="td--amount">$1,299.20</td>
+                  <td style="font-size:var(--text-caption);">G03 Gastos en general</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NAP-001285</td>
+                  <td class="td--primary">A</td>
+                  <td class="td--primary">Refaccionaria El Piston SC</td>
+                  <td class="td--mono">REP9305077HG5</td>
+                  <td class="td--amount">$5,300.00</td>
+                  <td class="td--amount">$848.00</td>
+                  <td class="td--amount">$6,148.00</td>
+                  <td style="font-size:var(--text-caption);">G01 Adquisición de mercancias</td>
+                  <td><span class="badge badge--cancelada">Cancelada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NAP-001284</td>
+                  <td class="td--primary">B</td>
+                  <td class="td--primary">Grupo Automotriz Torres e Hijos</td>
+                  <td class="td--mono">GAT7612098DF2</td>
+                  <td class="td--amount">$32,450.00</td>
+                  <td class="td--amount">$5,192.00</td>
+                  <td class="td--amount">$37,642.00</td>
+                  <td style="font-size:var(--text-caption);">G01 Adquisición de mercancias</td>
+                  <td><span class="badge badge--ppd">PPD</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+              </tbody>
+            </table>
+
+            <div class="table-footer">
+              <span>Mostrando 1–6 de 247 facturas</span>
+              <div class="pagination">
+                <button class="page-btn" aria-label="Página anterior">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round">
+                    <polyline points="15 18 9 12 15 6"/>
+                  </svg>
+                </button>
+                <button class="page-btn is-active">1</button>
+                <button class="page-btn">2</button>
+                <button class="page-btn">3</button>
+                <span style="color:var(--color-text-muted);padding:0 4px;">…</span>
+                <button class="page-btn">42</button>
+                <button class="page-btn" aria-label="Página siguiente">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round">
+                    <polyline points="9 18 15 12 9 6"/>
+                  </svg>
+                </button>
+              </div>
+            </div>
+
+          </div>
+        </div><!-- /panel-facturas -->
+
+        <!-- =================================================================
+             TAB 2 — NOTAS DE CRÉDITO
+             ================================================================= -->
+        <div class="tab-panel" id="panel-notas" role="tabpanel" aria-labelledby="tab-notas">
+
+          <div class="toolbar">
+            <div class="search-box">
+              <svg viewBox="0 0 24 24" stroke-linecap="round">
+                <circle cx="11" cy="11" r="8"/>
+                <line x1="21" y1="21" x2="16.65" y2="16.65"/>
+              </svg>
+              <input type="text" placeholder="Buscar nota de crédito…" />
+            </div>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--ghost">
+              <svg viewBox="0 0 24 24">
+                <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                <polyline points="7 10 12 15 17 10"/>
+                <line x1="12" y1="15" x2="12" y2="3"/>
+              </svg>
+              Exportar
+            </button>
+            <button class="btn btn--primary">
+              <svg viewBox="0 0 24 24">
+                <line x1="12" y1="5" x2="12" y2="19"/>
+                <line x1="5" y1="12" x2="19" y2="12"/>
+              </svg>
+              Nueva Nota de Crédito
+            </button>
+          </div>
+
+          <div class="table-wrapper">
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th>Folio NC</th>
+                  <th>Factura Relacionada</th>
+                  <th>Cliente</th>
+                  <th>Motivo</th>
+                  <th style="text-align:right;">Monto</th>
+                  <th>Estatus</th>
+                  <th>Acciones</th>
+                </tr>
+              </thead>
+              <tbody>
+
+                <tr>
+                  <td class="td--mono">NC-000041</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001240</td>
+                  <td class="td--primary">Taller Mecánico Ramírez</td>
+                  <td>Devolución de mercancía defectuosa</td>
+                  <td class="td--amount">$1,160.00</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NC-000040</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001215</td>
+                  <td class="td--primary">Flotillas Logísticas Monterrey</td>
+                  <td>Descuento comercial por volumen</td>
+                  <td class="td--amount">$3,450.00</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NC-000039</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001198</td>
+                  <td class="td--primary">Distribuidora Automotriz del Norte SA de CV</td>
+                  <td>Error en precio unitario</td>
+                  <td class="td--amount">$870.40</td>
+                  <td><span class="badge badge--pendiente">Pendiente</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NC-000038</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001172</td>
+                  <td class="td--primary">Grupo Automotriz Torres e Hijos</td>
+                  <td>Devolución parcial de pedido</td>
+                  <td class="td--amount">$8,120.00</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">NC-000037</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001154</td>
+                  <td class="td--primary">Servicio Exprés Autopartes</td>
+                  <td>Producto no solicitado enviado por error</td>
+                  <td class="td--amount">$580.00</td>
+                  <td><span class="badge badge--cancelada">Cancelada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">PDF</button>
+                    </div>
+                  </td>
+                </tr>
+
+              </tbody>
+            </table>
+
+            <div class="table-footer">
+              <span>Mostrando 1–5 de 8 notas de crédito</span>
+              <div class="pagination">
+                <button class="page-btn" aria-label="Anterior">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 18 9 12 15 6"/></svg>
+                </button>
+                <button class="page-btn is-active">1</button>
+                <button class="page-btn">2</button>
+                <button class="page-btn" aria-label="Siguiente">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"/></svg>
+                </button>
+              </div>
+            </div>
+          </div>
+        </div><!-- /panel-notas -->
+
+        <!-- =================================================================
+             TAB 3 — COMPLEMENTOS DE PAGO
+             ================================================================= -->
+        <div class="tab-panel" id="panel-complementos" role="tabpanel" aria-labelledby="tab-complementos">
+
+          <div class="toolbar">
+            <div class="search-box">
+              <svg viewBox="0 0 24 24" stroke-linecap="round">
+                <circle cx="11" cy="11" r="8"/>
+                <line x1="21" y1="21" x2="16.65" y2="16.65"/>
+              </svg>
+              <input type="text" placeholder="Buscar complemento de pago…" />
+            </div>
+            <select class="select-filter" aria-label="Método de pago">
+              <option value="">Todos los métodos</option>
+              <option value="03">03 Transferencia electrónica</option>
+              <option value="04">04 Tarjeta de crédito</option>
+              <option value="28">28 Tarjeta de débito</option>
+              <option value="01">01 Efectivo</option>
+              <option value="99">99 Por definir</option>
             </select>
-            <button class="btn btn-secondary" onclick="Invoicing.loadQueue()">Filtrar</button>
+            <div class="toolbar__spacer"></div>
+            <button class="btn btn--primary">
+              <svg viewBox="0 0 24 24">
+                <line x1="12" y1="5" x2="12" y2="19"/>
+                <line x1="5" y1="12" x2="19" y2="12"/>
+              </svg>
+              Nuevo Complemento
+            </button>
+          </div>
+
+          <div class="table-wrapper">
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th>Folio CP</th>
+                  <th>Facturas</th>
+                  <th>Cliente</th>
+                  <th style="text-align:right;">Monto Pagado</th>
+                  <th>Método Pago</th>
+                  <th>Fecha</th>
+                  <th>Estatus</th>
+                  <th>Acciones</th>
+                </tr>
+              </thead>
+              <tbody>
+
+                <tr>
+                  <td class="td--mono">CP-000072</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001271</td>
+                  <td class="td--primary">Distribuidora Automotriz del Norte SA de CV</td>
+                  <td class="td--amount">$21,761.60</td>
+                  <td style="font-size:var(--text-caption);">03 Transferencia SPEI</td>
+                  <td>28/03/2026</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">CP-000071</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001260, NAP-001261</td>
+                  <td class="td--primary">Grupo Automotriz Torres e Hijos</td>
+                  <td class="td--amount">$56,800.00</td>
+                  <td style="font-size:var(--text-caption);">04 Tarjeta de crédito</td>
+                  <td>26/03/2026</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">CP-000070</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001244</td>
+                  <td class="td--primary">Flotillas Logísticas Monterrey</td>
+                  <td class="td--amount">$9,152.40</td>
+                  <td style="font-size:var(--text-caption);">03 Transferencia SPEI</td>
+                  <td>24/03/2026</td>
+                  <td><span class="badge badge--pendiente">Pendiente</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">CP-000069</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001230</td>
+                  <td class="td--primary">Taller Mecánico Ramírez</td>
+                  <td class="td--amount">$4,002.00</td>
+                  <td style="font-size:var(--text-caption);">01 Efectivo</td>
+                  <td>22/03/2026</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+                <tr>
+                  <td class="td--mono">CP-000068</td>
+                  <td class="td--mono" style="color:var(--color-text-accent);">NAP-001218, NAP-001225</td>
+                  <td class="td--primary">Refaccionaria El Piston SC</td>
+                  <td class="td--amount">$18,444.00</td>
+                  <td style="font-size:var(--text-caption);">28 Tarjeta de débito</td>
+                  <td>20/03/2026</td>
+                  <td><span class="badge badge--timbrada">Timbrada</span></td>
+                  <td>
+                    <div style="display:flex;gap:4px;">
+                      <button class="btn btn--ghost btn--sm">Ver</button>
+                      <button class="btn btn--ghost btn--sm">XML</button>
+                    </div>
+                  </td>
+                </tr>
+
+              </tbody>
+            </table>
+
+            <div class="table-footer">
+              <span>Mostrando 1–5 de 12 complementos de pago</span>
+              <div class="pagination">
+                <button class="page-btn" aria-label="Anterior">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 18 9 12 15 6"/></svg>
+                </button>
+                <button class="page-btn is-active">1</button>
+                <button class="page-btn">2</button>
+                <button class="page-btn">3</button>
+                <button class="page-btn" aria-label="Siguiente">
+                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"/></svg>
+                </button>
+              </div>
+            </div>
+          </div>
+        </div><!-- /panel-complementos -->
+
+        <!-- =================================================================
+             TAB 4 — CANCELACIONES
+             ================================================================= -->
+        <div class="tab-panel" id="panel-cancelaciones" role="tabpanel" aria-labelledby="tab-cancelaciones">
+
+          <div class="section-heading">
+            <span class="section-heading__title">Solicitudes de Cancelación SAT — Marzo 2026</span>
+            <span class="section-heading__line"></span>
+            <button class="btn btn--ghost btn--sm">
+              <svg viewBox="0 0 24 24">
+                <polyline points="23 4 23 10 17 10"/>
+                <path d="M20.49 15a9 9 0 1 1-.38-4.93"/>
+              </svg>
+              Actualizar estatus
+            </button>
+          </div>
+
+          <div class="cancel-grid">
+
+            <div class="cancel-card cancel-card--proceso">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001290</span>
+                <span class="badge badge--proceso">En proceso</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Flotillas Logísticas Monterrey</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">FLM8710234KL9</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">02 — Comprobante emitido con errores sin relación</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$9,152.40 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Solicitada: 31/03/2026 08:20</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+            <div class="cancel-card cancel-card--proceso">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001285</span>
+                <span class="badge badge--proceso">En proceso</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Refaccionaria El Piston SC</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">REP9305077HG5</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">01 — Comprobante emitido con errores con relación</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$6,148.00 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Solicitada: 30/03/2026 11:42</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+            <div class="cancel-card cancel-card--aceptada">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001260</span>
+                <span class="badge badge--aceptada">Aceptada SAT</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Servicio Exprés Autopartes</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">SEA020819PP3</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">02 — Comprobante emitido con errores sin relación</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$2,320.00 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Aceptada: 28/03/2026 09:15</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+            <div class="cancel-card cancel-card--aceptada">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001210</span>
+                <span class="badge badge--aceptada">Aceptada SAT</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Grupo Automotriz Torres e Hijos</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">GAT7612098DF2</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">04 — Operación nominativa relacionada en factura global</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$14,900.00 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Aceptada: 21/03/2026 10:05</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+            <div class="cancel-card cancel-card--rechazada">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001243</span>
+                <span class="badge badge--rechazada">Rechazada SAT</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Taller Mecánico Ramírez</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">TMR8402156HJ</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">03 — No se llevó a cabo la operación</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$4,560.00 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Rechazada: 25/03/2026 16:30</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+            <div class="cancel-card cancel-card--rechazada">
+              <div class="cancel-card__header">
+                <span class="cancel-card__folio">NAP-001198</span>
+                <span class="badge badge--rechazada">Rechazada SAT</span>
+              </div>
+              <div class="cancel-card__body">
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Cliente</span>
+                  <span class="cancel-card__row-value">Distribuidora Automotriz del Norte SA de CV</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">RFC</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-size:0.8rem;">DAN950312AB7</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Motivo</span>
+                  <span class="cancel-card__row-value">01 — Comprobante emitido con errores con relación</span>
+                </div>
+                <div class="cancel-card__row">
+                  <span class="cancel-card__row-label">Monto</span>
+                  <span class="cancel-card__row-value" style="font-family:var(--font-mono);font-weight:600;color:var(--color-text-primary);">$31,248.00 MXN</span>
+                </div>
+              </div>
+              <div class="cancel-card__footer">
+                <span style="font-size:var(--text-caption);color:var(--color-text-muted);">Rechazada: 18/03/2026 14:45</span>
+                <button class="btn btn--ghost btn--sm">Ver detalle</button>
+              </div>
+            </div>
+
+          </div>
+        </div><!-- /panel-cancelaciones -->
+
+        <!-- =================================================================
+             TAB 5 — CONFIGURACIÓN CFDI
+             ================================================================= -->
+        <div class="tab-panel" id="panel-config" role="tabpanel" aria-labelledby="tab-config">
+
+          <div class="config-grid">
+
+            <!-- DATOS FISCALES DEL EMISOR -->
+            <div class="config-section">
+              <div class="config-section__header">
+                <svg viewBox="0 0 24 24">
+                  <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/>
+                  <polyline points="9 22 9 12 15 12 15 22"/>
+                </svg>
+                <span class="config-section__title">Datos Fiscales del Emisor</span>
+              </div>
+              <div class="config-section__body">
+                <div class="form-grid">
+
+                  <div class="form-field">
+                    <label class="form-label" for="rfc-emisor">RFC Emisor</label>
+                    <input class="form-input" id="rfc-emisor" type="text" value="NAP960714JK3" style="font-family:var(--font-mono);" />
+                    <span class="form-hint">RFC registrado ante el SAT</span>
+                  </div>
+
+                  <div class="form-field">
+                    <label class="form-label" for="cp-fiscal">C.P. Fiscal</label>
+                    <input class="form-input" id="cp-fiscal" type="text" value="64000" />
+                    <span class="form-hint">Código postal del domicilio fiscal</span>
+                  </div>
+
+                  <div class="form-field form-field--span2">
+                    <label class="form-label" for="razon-social">Razón Social</label>
+                    <input class="form-input" id="razon-social" type="text" value="NEXUS AUTOPARTES SA DE CV" />
+                  </div>
+
+                  <div class="form-field form-field--span2">
+                    <label class="form-label" for="regimen-fiscal">Régimen Fiscal</label>
+                    <select class="form-select" id="regimen-fiscal">
+                      <option selected>601 — General de Ley Personas Morales</option>
+                      <option>603 — Personas Morales con Fines no Lucrativos</option>
+                      <option>605 — Sueldos y Salarios e Ingresos Asimilados a Salarios</option>
+                      <option>612 — Personas Físicas con Actividades Empresariales</option>
+                      <option>621 — Incorporación Fiscal</option>
+                      <option>626 — Régimen Simplificado de Confianza</option>
+                    </select>
+                    <span class="form-hint">Régimen del emisor según el SAT</span>
+                  </div>
+
+                </div>
+
+                <div style="margin-top:var(--space-4);display:flex;justify-content:flex-end;gap:var(--space-3);">
+                  <button class="btn btn--ghost">Cancelar</button>
+                  <button class="btn btn--primary">
+                    <svg viewBox="0 0 24 24">
+                      <path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/>
+                      <polyline points="17 21 17 13 7 13 7 21"/>
+                      <polyline points="7 3 7 8 15 8"/>
+                    </svg>
+                    Guardar Datos
+                  </button>
+                </div>
+              </div>
+            </div>
+
+            <!-- CERTIFICADO DE SELLO DIGITAL -->
+            <div class="config-section">
+              <div class="config-section__header">
+                <svg viewBox="0 0 24 24">
+                  <rect x="3" y="11" width="18" height="11" rx="2" ry="2"/>
+                  <path d="M7 11V7a5 5 0 0 1 10 0v4"/>
+                </svg>
+                <span class="config-section__title">Certificado de Sello Digital (CSD)</span>
+              </div>
+              <div class="config-section__body">
+
+                <div class="cert-status">
+                  <div class="cert-status__icon">
+                    <svg viewBox="0 0 24 24">
+                      <path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"/>
+                      <polyline points="22 4 12 14.01 9 11.01"/>
+                    </svg>
+                  </div>
+                  <div class="cert-status__info">
+                    <div class="cert-status__name">
+                      CSD Activo &nbsp;<span class="badge badge--vigente">Vigente</span>
+                    </div>
+                    <div class="cert-status__detail">
+                      No. Certificado: 20001000000300022779 &nbsp;·&nbsp; Vence: 14/07/2026
+                    </div>
+                  </div>
+                  <button class="btn btn--ghost btn--sm">Ver</button>
+                </div>
+
+                <div class="form-grid">
+                  <div class="form-field">
+                    <label class="form-label">Archivo .cer</label>
+                    <button class="btn btn--secondary" style="width:100%;justify-content:center;">
+                      <svg viewBox="0 0 24 24">
+                        <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                        <polyline points="17 8 12 3 7 8"/>
+                        <line x1="12" y1="3" x2="12" y2="15"/>
+                      </svg>
+                      Subir certificado .cer
+                    </button>
+                    <span class="form-hint">Certificado público del SAT</span>
+                  </div>
+
+                  <div class="form-field">
+                    <label class="form-label">Archivo .key</label>
+                    <button class="btn btn--secondary" style="width:100%;justify-content:center;">
+                      <svg viewBox="0 0 24 24">
+                        <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                        <polyline points="17 8 12 3 7 8"/>
+                        <line x1="12" y1="3" x2="12" y2="15"/>
+                      </svg>
+                      Subir llave privada .key
+                    </button>
+                    <span class="form-hint">Llave privada del CSD</span>
+                  </div>
+
+                  <div class="form-field form-field--span2">
+                    <label class="form-label" for="contrasena-csd">Contraseña del CSD</label>
+                    <input class="form-input" id="contrasena-csd" type="password" placeholder="Contraseña de la llave privada" />
+                    <span class="form-hint">Contraseña asignada al generar el CSD en el SAT</span>
+                  </div>
+                </div>
+
+                <div style="margin-top:var(--space-4);display:flex;justify-content:flex-end;gap:var(--space-3);">
+                  <button class="btn btn--ghost">Cancelar</button>
+                  <button class="btn btn--primary">
+                    <svg viewBox="0 0 24 24">
+                      <rect x="3" y="11" width="18" height="11" rx="2" ry="2"/>
+                      <path d="M7 11V7a5 5 0 0 1 10 0v4"/>
+                    </svg>
+                    Actualizar CSD
+                  </button>
+                </div>
+              </div>
+            </div>
+
+            <!-- CONFIGURACIÓN DE SERIES — full width -->
+            <div class="config-section" style="grid-column: span 2;">
+              <div class="config-section__header">
+                <svg viewBox="0 0 24 24">
+                  <line x1="8" y1="6" x2="21" y2="6"/>
+                  <line x1="8" y1="12" x2="21" y2="12"/>
+                  <line x1="8" y1="18" x2="21" y2="18"/>
+                  <line x1="3" y1="6" x2="3.01" y2="6"/>
+                  <line x1="3" y1="12" x2="3.01" y2="12"/>
+                  <line x1="3" y1="18" x2="3.01" y2="18"/>
+                </svg>
+                <span class="config-section__title">Configuración de Series de Folios</span>
+                <button class="btn btn--ghost btn--sm">
+                  <svg viewBox="0 0 24 24">
+                    <line x1="12" y1="5" x2="12" y2="19"/>
+                    <line x1="5" y1="12" x2="19" y2="12"/>
+                  </svg>
+                  Agregar Serie
+                </button>
+              </div>
+              <div class="config-section__body" style="padding:0;">
+                <table class="data-table">
+                  <thead>
+                    <tr>
+                      <th>Serie</th>
+                      <th>Descripción</th>
+                      <th>Folio Actual</th>
+                      <th>Folio Inicial</th>
+                      <th>Tipo CFDI</th>
+                      <th style="text-align:center;">Predeterminada</th>
+                      <th>Estatus</th>
+                      <th>Acciones</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+
+                    <tr>
+                      <td style="font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--color-text-accent);padding-left:var(--space-5);">A</td>
+                      <td class="td--primary">Factura estándar — Sucursal Centro</td>
+                      <td class="td--mono">001290</td>
+                      <td class="td--mono">001001</td>
+                      <td><span class="badge badge--timbrada">I — Ingreso</span></td>
+                      <td style="text-align:center;">
+                        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="var(--color-success)" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round">
+                          <polyline points="20 6 9 17 4 12"/>
+                        </svg>
+                      </td>
+                      <td><span class="badge badge--vigente">Activa</span></td>
+                      <td>
+                        <button class="btn btn--ghost btn--sm">Editar</button>
+                      </td>
+                    </tr>
+
+                    <tr>
+                      <td style="font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--color-text-accent);padding-left:var(--space-5);">B</td>
+                      <td class="td--primary">Factura mayoreo — Clientes corporativos</td>
+                      <td class="td--mono">000042</td>
+                      <td class="td--mono">000001</td>
+                      <td><span class="badge badge--timbrada">I — Ingreso</span></td>
+                      <td style="text-align:center;color:var(--color-text-muted);">—</td>
+                      <td><span class="badge badge--vigente">Activa</span></td>
+                      <td>
+                        <button class="btn btn--ghost btn--sm">Editar</button>
+                      </td>
+                    </tr>
+
+                    <tr>
+                      <td style="font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--color-text-accent);padding-left:var(--space-5);">NC</td>
+                      <td class="td--primary">Notas de crédito</td>
+                      <td class="td--mono">000041</td>
+                      <td class="td--mono">000001</td>
+                      <td><span class="badge badge--pendiente">E — Egreso</span></td>
+                      <td style="text-align:center;color:var(--color-text-muted);">—</td>
+                      <td><span class="badge badge--vigente">Activa</span></td>
+                      <td>
+                        <button class="btn btn--ghost btn--sm">Editar</button>
+                      </td>
+                    </tr>
+
+                    <tr>
+                      <td style="font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--color-text-accent);padding-left:var(--space-5);">CP</td>
+                      <td class="td--primary">Complementos de pago</td>
+                      <td class="td--mono">000072</td>
+                      <td class="td--mono">000001</td>
+                      <td><span class="badge badge--ppd">P — Pago</span></td>
+                      <td style="text-align:center;color:var(--color-text-muted);">—</td>
+                      <td><span class="badge badge--vigente">Activa</span></td>
+                      <td>
+                        <button class="btn btn--ghost btn--sm">Editar</button>
+                      </td>
+                    </tr>
+
+                    <tr>
+                      <td style="font-family:var(--font-mono);font-size:1.1rem;font-weight:700;color:var(--color-text-accent);padding-left:var(--space-5);">T</td>
+                      <td class="td--primary">Traslados — Remisiones fiscales</td>
+                      <td class="td--mono">000018</td>
+                      <td class="td--mono">000001</td>
+                      <td><span class="badge badge--cancelada">T — Traslado</span></td>
+                      <td style="text-align:center;color:var(--color-text-muted);">—</td>
+                      <td><span class="badge badge--por-vencer">Inactiva</span></td>
+                      <td>
+                        <div style="display:flex;gap:4px;">
+                          <button class="btn btn--ghost btn--sm">Editar</button>
+                          <button class="btn btn--danger btn--sm">Activar</button>
+                        </div>
+                      </td>
+                    </tr>
+
+                  </tbody>
+                </table>
+              </div>
+            </div>
+
+          </div>
+        </div><!-- /panel-config -->
+
+      </div><!-- /tab-panels -->
+
+    </main>
+
+  </div><!-- /app-shell -->
+
+  <!-- =========================================================================
+       MODAL: DETALLE CFDI + XML PREVIEW
+       ========================================================================= -->
+  <div class="modal-overlay" id="modalDetalleOverlay" style="display:none; position:fixed; inset:0; z-index:var(--z-modal); background:var(--overlay-backdrop); display:none; align-items:center; justify-content:center;">
+    <div class="modal-card" style="background:var(--color-bg-elevated); border:1px solid var(--color-border); border-radius:var(--radius-lg); width:720px; max-width:95vw; max-height:90vh; overflow:auto; box-shadow:var(--shadow-xl);">
+      <div style="display:flex; align-items:center; justify-content:space-between; padding:var(--space-5) var(--space-6); border-bottom:1px solid var(--color-border);">
+        <div>
+          <div style="font-family:var(--font-heading); font-size:var(--text-h5); font-weight:var(--heading-weight-primary); color:var(--color-text-primary);">Detalle de Factura</div>
+          <div style="font-size:var(--text-caption); color:var(--color-text-muted); margin-top:2px;">NAP-001289 — Timbrada</div>
         </div>
-
-        <!-- Queue List -->
-        <div id="queue-list"></div>
-        <div id="queue-pagination"></div>
-    </div>
-
-    <!-- Detail Modal -->
-    <div class="modal-overlay" id="detail-modal">
-        <div class="modal">
-            <div id="detail-content"></div>
-            <div style="display:flex;gap:0.5rem;justify-content:flex-end;margin-top:1rem;">
-                <button class="btn btn-secondary" onclick="Invoicing.closeModal('detail-modal')">Cerrar</button>
-            </div>
+        <button onclick="document.getElementById('modalDetalleOverlay').style.display='none'" style="background:none; border:none; color:var(--color-text-muted); font-size:1.4rem; cursor:pointer; padding:var(--space-2);">✕</button>
+      </div>
+      <div style="padding:var(--space-5) var(--space-6);">
+        <div style="display:grid; grid-template-columns:1fr 1fr; gap:var(--space-4); margin-bottom:var(--space-6);">
+          <div>
+            <div style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); margin-bottom:var(--space-1);">Emisor</div>
+            <div style="font-weight:var(--font-weight-semibold);">Nexus Autoparts SA de CV</div>
+            <div style="font-family:var(--font-mono); font-size:var(--text-body-sm); color:var(--color-text-secondary);">NAP960714JK3</div>
+          </div>
+          <div>
+            <div style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); margin-bottom:var(--space-1);">Receptor</div>
+            <div style="font-weight:var(--font-weight-semibold);">Taller Mecánico Rodríguez</div>
+            <div style="font-family:var(--font-mono); font-size:var(--text-body-sm); color:var(--color-text-secondary);">TMR8402156HJ</div>
+          </div>
+          <div>
+            <div style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); margin-bottom:var(--space-1);">UUID</div>
+            <div style="font-family:var(--font-mono); font-size:var(--text-caption); color:var(--color-text-accent); word-break:break-all;">6ba7b810-9dad-11d1-80b4-00c04fd430c8</div>
+          </div>
+          <div>
+            <div style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); margin-bottom:var(--space-1);">Total</div>
+            <div style="font-family:var(--font-mono); font-size:var(--text-h4); font-weight:var(--font-weight-bold); color:var(--color-text-primary);">$4,002.00</div>
+          </div>
         </div>
+        <!-- XML Preview -->
+        <div style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); margin-bottom:var(--space-2);">Vista previa XML</div>
+        <pre style="background:var(--color-surface-3); border:1px solid var(--color-border); border-radius:var(--radius-md); padding:var(--space-4); font-family:var(--font-mono); font-size:11px; color:var(--color-text-secondary); overflow-x:auto; max-height:200px; line-height:1.6;">&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+&lt;cfdi:Comprobante xmlns:cfdi="http://www.sat.gob.mx/cfd/4"
+  Version="4.0" Serie="A" Folio="001289"
+  Fecha="2026-03-31T14:22:00" FormaPago="01"
+  SubTotal="3450.00" Moneda="MXN"
+  Total="4002.00" TipoDeComprobante="I"
+  MetodoPago="PUE" LugarExpedicion="64000"&gt;
+  &lt;cfdi:Emisor Rfc="NAP960714JK3"
+    Nombre="Nexus Autoparts SA de CV"
+    RegimenFiscal="601"/&gt;
+  &lt;cfdi:Receptor Rfc="TMR8402156HJ"
+    Nombre="Taller Mecánico Rodríguez"
+    UsoCFDI="G03" DomicilioFiscalReceptor="64000"
+    RegimenFiscalReceptor="612"/&gt;
+  &lt;cfdi:Conceptos&gt;
+    &lt;cfdi:Concepto ClaveProdServ="25174800"
+      Cantidad="4" ClaveUnidad="H87"
+      Descripcion="Balatas delanteras TRW"
+      ValorUnitario="485.00" Importe="1940.00"/&gt;
+  &lt;/cfdi:Conceptos&gt;
+&lt;/cfdi:Comprobante&gt;</pre>
+      </div>
+      <div style="display:flex; gap:var(--space-3); justify-content:flex-end; padding:var(--space-4) var(--space-6); border-top:1px solid var(--color-border);">
+        <button style="padding:var(--space-2) var(--space-5); border:1px solid var(--color-border); border-radius:var(--radius-md); background:transparent; color:var(--color-text-primary); cursor:pointer; font-family:var(--font-body); font-size:var(--text-body-sm);">Descargar XML</button>
+        <button style="padding:var(--space-2) var(--space-5); border:1px solid var(--color-border); border-radius:var(--radius-md); background:transparent; color:var(--color-text-primary); cursor:pointer; font-family:var(--font-body); font-size:var(--text-body-sm);">Descargar PDF</button>
+        <button style="padding:var(--space-2) var(--space-5); border:1px solid var(--btn-danger-bg); border-radius:var(--radius-md); background:var(--btn-danger-bg); color:var(--btn-danger-text); cursor:pointer; font-family:var(--font-body); font-size:var(--text-body-sm); font-weight:var(--font-weight-semibold);" onclick="document.getElementById('modalDetalleOverlay').style.display='none'; document.getElementById('modalCancelOverlay').style.display='flex';">Cancelar CFDI</button>
+      </div>
     </div>
+  </div>
 
-    <!-- Cancel Modal -->
-    <div class="modal-overlay" id="cancel-modal">
-        <div class="modal">
-            <h3>Cancelar CFDI</h3>
-            <input type="hidden" id="cancel-cfdi-id">
-            <div class="form-group">
-                <label>Motivo de cancelacion (SAT)</label>
-                <select id="cancel-motive" onchange="Invoicing.onMotiveChange()">
-                    <option value="">Seleccionar motivo</option>
-                    <option value="01">01 - Con relacion (requiere UUID sustituto)</option>
-                    <option value="02">02 - Sin relacion</option>
-                    <option value="03">03 - No se llevo a cabo la operacion</option>
-                    <option value="04">04 - Operacion nominativa en factura global</option>
-                </select>
-            </div>
-            <div class="form-group" id="replacement-uuid-group" style="display:none;">
-                <label>UUID del CFDI sustituto</label>
-                <input type="text" id="cancel-replacement-uuid" placeholder="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx">
-            </div>
-            <div style="display:flex;gap:0.5rem;justify-content:flex-end;margin-top:1rem;">
-                <button class="btn btn-secondary" onclick="Invoicing.closeModal('cancel-modal')">Cancelar</button>
-                <button class="btn btn-danger" onclick="Invoicing.confirmCancel()">Confirmar Cancelacion</button>
-            </div>
+  <!-- =========================================================================
+       MODAL: CANCELACIÓN CFDI — Selector Motivo SAT
+       ========================================================================= -->
+  <div class="modal-overlay" id="modalCancelOverlay" style="display:none; position:fixed; inset:0; z-index:var(--z-modal); background:var(--overlay-backdrop); display:none; align-items:center; justify-content:center;">
+    <div class="modal-card" style="background:var(--color-bg-elevated); border:1px solid var(--color-border); border-radius:var(--radius-lg); width:520px; max-width:95vw; box-shadow:var(--shadow-xl);">
+      <div style="display:flex; align-items:center; gap:var(--space-3); padding:var(--space-5) var(--space-6); border-bottom:1px solid var(--color-border);">
+        <div style="width:40px; height:40px; border-radius:var(--radius-full); background:rgba(239,68,68,0.12); display:flex; align-items:center; justify-content:center; flex-shrink:0;">
+          <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="var(--color-error)" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10.29 3.86L1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z"/><line x1="12" y1="9" x2="12" y2="13"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
         </div>
+        <div>
+          <div style="font-family:var(--font-heading); font-size:var(--text-h5); font-weight:var(--heading-weight-primary); color:var(--color-text-primary);">Cancelar CFDI</div>
+          <div style="font-size:var(--text-caption); color:var(--color-text-muted);">NAP-001289 — $4,002.00 MXN</div>
+        </div>
+        <button onclick="document.getElementById('modalCancelOverlay').style.display='none'" style="background:none; border:none; color:var(--color-text-muted); font-size:1.4rem; cursor:pointer; padding:var(--space-2); margin-left:auto;">✕</button>
+      </div>
+      <div style="padding:var(--space-5) var(--space-6);">
+        <div style="font-size:var(--text-body-sm); font-weight:var(--font-weight-semibold); color:var(--color-text-primary); margin-bottom:var(--space-3);">Motivo de cancelación (SAT)</div>
+        <div style="display:flex; flex-direction:column; gap:var(--space-2);">
+          <label style="display:flex; align-items:flex-start; gap:var(--space-3); padding:var(--space-3) var(--space-4); border:1px solid var(--color-border); border-radius:var(--radius-md); cursor:pointer; transition:var(--transition-fast);" onmouseover="this.style.borderColor='var(--color-primary)'" onmouseout="this.style.borderColor='var(--color-border)'">
+            <input type="radio" name="motivo-sat" value="01" style="margin-top:3px; accent-color:var(--color-primary);" checked>
+            <div>
+              <div style="font-weight:var(--font-weight-semibold); font-size:var(--text-body-sm);">01 — Comprobante emitido con errores con relación</div>
+              <div style="font-size:var(--text-caption); color:var(--color-text-muted);">Se sustituirá por otro CFDI. Requiere UUID de reemplazo.</div>
+            </div>
+          </label>
+          <label style="display:flex; align-items:flex-start; gap:var(--space-3); padding:var(--space-3) var(--space-4); border:1px solid var(--color-border); border-radius:var(--radius-md); cursor:pointer; transition:var(--transition-fast);" onmouseover="this.style.borderColor='var(--color-primary)'" onmouseout="this.style.borderColor='var(--color-border)'">
+            <input type="radio" name="motivo-sat" value="02" style="margin-top:3px; accent-color:var(--color-primary);">
+            <div>
+              <div style="font-weight:var(--font-weight-semibold); font-size:var(--text-body-sm);">02 — Comprobante emitido con errores sin relación</div>
+              <div style="font-size:var(--text-caption); color:var(--color-text-muted);">No se sustituirá por otro CFDI.</div>
+            </div>
+          </label>
+          <label style="display:flex; align-items:flex-start; gap:var(--space-3); padding:var(--space-3) var(--space-4); border:1px solid var(--color-border); border-radius:var(--radius-md); cursor:pointer; transition:var(--transition-fast);" onmouseover="this.style.borderColor='var(--color-primary)'" onmouseout="this.style.borderColor='var(--color-border)'">
+            <input type="radio" name="motivo-sat" value="03" style="margin-top:3px; accent-color:var(--color-primary);">
+            <div>
+              <div style="font-weight:var(--font-weight-semibold); font-size:var(--text-body-sm);">03 — No se llevó a cabo la operación</div>
+              <div style="font-size:var(--text-caption); color:var(--color-text-muted);">La operación que amparó el CFDI no se realizó.</div>
+            </div>
+          </label>
+          <label style="display:flex; align-items:flex-start; gap:var(--space-3); padding:var(--space-3) var(--space-4); border:1px solid var(--color-border); border-radius:var(--radius-md); cursor:pointer; transition:var(--transition-fast);" onmouseover="this.style.borderColor='var(--color-primary)'" onmouseout="this.style.borderColor='var(--color-border)'">
+            <input type="radio" name="motivo-sat" value="04" style="margin-top:3px; accent-color:var(--color-primary);">
+            <div>
+              <div style="font-weight:var(--font-weight-semibold); font-size:var(--text-body-sm);">04 — Operación nominativa relacionada en una factura global</div>
+              <div style="font-size:var(--text-caption); color:var(--color-text-muted);">Cancelar cuando la operación se desglosó en una factura global.</div>
+            </div>
+          </label>
+        </div>
+        <!-- UUID de reemplazo (solo para motivo 01) -->
+        <div style="margin-top:var(--space-4);">
+          <label style="font-size:var(--text-caption); color:var(--color-text-muted); text-transform:uppercase; letter-spacing:var(--tracking-widest); display:block; margin-bottom:var(--space-1);">UUID de CFDI sustituto (motivo 01)</label>
+          <input type="text" placeholder="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" style="width:100%; padding:var(--space-2) var(--space-3); border:1px solid var(--color-border); border-radius:var(--radius-md); background:var(--color-surface-2); color:var(--color-text-primary); font-family:var(--font-mono); font-size:var(--text-body-sm);">
+        </div>
+      </div>
+      <div style="display:flex; gap:var(--space-3); justify-content:flex-end; padding:var(--space-4) var(--space-6); border-top:1px solid var(--color-border);">
+        <button onclick="document.getElementById('modalCancelOverlay').style.display='none'" style="padding:var(--space-2) var(--space-5); border:1px solid var(--color-border); border-radius:var(--radius-md); background:transparent; color:var(--color-text-primary); cursor:pointer; font-family:var(--font-body); font-size:var(--text-body-sm);">Cancelar</button>
+        <button onclick="document.getElementById('modalCancelOverlay').style.display='none'" style="padding:var(--space-2) var(--space-5); border:1px solid var(--btn-danger-bg); border-radius:var(--radius-md); background:var(--btn-danger-bg); color:var(--btn-danger-text); cursor:pointer; font-family:var(--font-body); font-size:var(--text-body-sm); font-weight:var(--font-weight-semibold);">Solicitar Cancelación SAT</button>
+      </div>
     </div>
+  </div>
+
+  <script src="/pos/static/js/invoicing.js"></script>
 
-    <script src="/pos/static/js/invoicing.js"></script>
 </body>
 </html>
diff --git a/pos/templates/reports.html b/pos/templates/reports.html
new file mode 100644
index 0000000..7844359
--- /dev/null
+++ b/pos/templates/reports.html
@@ -0,0 +1,2920 @@
+<!DOCTYPE html>
+<html lang="es" data-theme="industrial">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>Reportes — Nexus Autoparts POS</title>
+  <link rel="stylesheet" href="/pos/static/css/tokens.css" />
+
+  <style>
+    /* =========================================================================
+       BASE RESET & SHELL
+       ========================================================================= */
+
+    *, *::before, *::after {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
+
+    html, body {
+      height: 100%;
+    }
+
+    body {
+      font-family: var(--font-body);
+      font-size: var(--text-body);
+      color: var(--color-text-primary);
+      background-color: var(--color-bg-base);
+      transition: background-color var(--duration-normal) var(--ease-in-out),
+                  color var(--duration-normal) var(--ease-in-out);
+      overflow: hidden;
+    }
+
+    [data-theme="modern"] body {
+      background-color: var(--color-bg-base);
+      background-image: radial-gradient(
+        circle,
+        var(--dot-grid-color) 1px,
+        transparent 1px
+      );
+      background-size: var(--dot-grid-size) var(--dot-grid-size);
+    }
+
+    /* =========================================================================
+       THEME SWITCHER BAR (fixed, 36px)
+       ========================================================================= */
+
+    .theme-bar {
+      position: fixed;
+      top: 0;
+      left: 0;
+      right: 0;
+      z-index: var(--z-toast);
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: 0 var(--space-5);
+      background: var(--color-bg-overlay);
+      border-bottom: 1px solid var(--color-border);
+      backdrop-filter: blur(8px);
+      height: 36px;
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .theme-bar {
+      background: #111111;
+      border-bottom-color: var(--color-primary-muted);
+    }
+
+    .theme-bar__left {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .theme-bar__brand {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.75rem;
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      color: var(--color-text-accent);
+    }
+
+    .theme-bar__sep {
+      width: 1px;
+      height: 16px;
+      background: var(--color-border);
+    }
+
+    .theme-bar__page {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .theme-bar__right {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+    }
+
+    .theme-bar__label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    .theme-switcher {
+      display: flex;
+      align-items: center;
+      background: var(--color-surface-1);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-full);
+      padding: 2px;
+      gap: 2px;
+    }
+
+    .theme-btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-1);
+      padding: 3px var(--space-3);
+      border: none;
+      border-radius: var(--radius-full);
+      background: transparent;
+      color: var(--color-text-muted);
+      font-family: var(--font-body);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      cursor: pointer;
+      transition: var(--transition-fast);
+    }
+
+    .theme-btn:hover {
+      color: var(--color-text-primary);
+    }
+
+    .theme-btn.is-active {
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      box-shadow: var(--shadow-sm);
+    }
+
+    [data-theme="industrial"] .theme-btn.is-active {
+      color: #000;
+    }
+
+    /* =========================================================================
+       APP SHELL
+       ========================================================================= */
+
+    .app-shell {
+      display: flex;
+      height: 100vh;
+      padding-top: 36px;
+    }
+
+    /* =========================================================================
+       SIDEBAR (~220px)
+       ========================================================================= */
+
+    .sidebar {
+      width: 260px;
+      flex-shrink: 0;
+      display: flex;
+      flex-direction: column;
+      background: var(--color-bg-elevated);
+      border-right: 1px solid var(--color-border);
+      overflow-y: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+      transition: var(--transition-normal);
+    }
+
+    .sidebar::-webkit-scrollbar { width: 4px; }
+    .sidebar::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+
+    /* Brand */
+    .sidebar__brand {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-4) var(--space-4) var(--space-3);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+    }
+
+    .brand-logo {
+      width: 36px;
+      height: 36px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 1.2rem;
+      letter-spacing: var(--tracking-tight);
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .brand-logo {
+      clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
+    }
+
+    [data-theme="modern"] .brand-logo {
+      border-radius: var(--radius-md);
+    }
+
+    .brand-name__primary {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.95rem;
+      letter-spacing: var(--tracking-wide);
+      color: var(--color-text-primary);
+      text-transform: uppercase;
+      line-height: 1;
+    }
+
+    .brand-name__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      margin-top: 2px;
+    }
+
+    /* Nav */
+    .sidebar__nav {
+      flex: 1;
+      padding: var(--space-2) 0;
+    }
+
+    .nav-section-label {
+      padding: var(--space-3) var(--space-4) var(--space-1);
+      font-size: 0.65rem;
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+    }
+
+    .nav-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-2) var(--space-4);
+      color: var(--color-text-secondary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-regular);
+      text-decoration: none;
+      cursor: pointer;
+      border: none;
+      background: none;
+      width: 100%;
+      text-align: left;
+      transition: var(--transition-fast);
+      border-left: 3px solid transparent;
+    }
+
+    .nav-item:hover {
+      background: var(--color-primary-muted);
+      color: var(--color-text-primary);
+      border-left-color: var(--color-primary);
+    }
+
+    .nav-item.is-active {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      font-weight: var(--font-weight-semibold);
+      border-left-color: var(--color-primary);
+    }
+
+    .nav-item__icon {
+      width: 16px;
+      height: 16px;
+      opacity: 0.7;
+      flex-shrink: 0;
+    }
+
+    .nav-item.is-active .nav-item__icon,
+    .nav-item:hover .nav-item__icon {
+      opacity: 1;
+    }
+
+    /* Profile */
+    .sidebar__profile {
+      padding: var(--space-3) var(--space-4);
+      border-top: 1px solid var(--color-border);
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      flex-shrink: 0;
+    }
+
+    .profile-avatar {
+      width: 32px;
+      height: 32px;
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: 0.8rem;
+      flex-shrink: 0;
+    }
+
+    [data-theme="industrial"] .profile-avatar {
+      clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
+    }
+
+    [data-theme="modern"] .profile-avatar {
+      border-radius: var(--radius-full);
+    }
+
+    .profile-info__name {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+
+    .profile-info__role {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    /* =========================================================================
+       MAIN CONTENT
+       ========================================================================= */
+
+    .main-content {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      overflow: hidden;
+      min-width: 0;
+    }
+
+    /* Header */
+    .content-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-4) var(--space-6);
+      background: var(--color-bg-elevated);
+      border-bottom: 1px solid var(--color-border);
+      flex-shrink: 0;
+      gap: var(--space-4);
+    }
+
+    [data-theme="industrial"] .content-header {
+      background: var(--color-surface-1);
+    }
+
+    .content-header__title-block {
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+    }
+
+    .content-header__eyebrow {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+    }
+
+    .content-header__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+      letter-spacing: var(--heading-tracking-h4);
+      color: var(--color-text-primary);
+      line-height: 1.2;
+    }
+
+    [data-theme="industrial"] .content-header__title {
+      text-transform: uppercase;
+    }
+
+    .content-header__actions {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      flex-shrink: 0;
+    }
+
+    /* Scrollable body */
+    .content-body {
+      flex: 1;
+      overflow-y: auto;
+      padding: var(--space-5) var(--space-6);
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .content-body::-webkit-scrollbar { width: 6px; }
+    .content-body::-webkit-scrollbar-track { background: var(--scrollbar-track); }
+    .content-body::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }
+    .content-body::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }
+
+    /* =========================================================================
+       BUTTONS
+       ========================================================================= */
+
+    .btn {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: var(--space-2) var(--space-4);
+      border: 1px solid transparent;
+      border-radius: var(--radius-md);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      white-space: nowrap;
+      text-decoration: none;
+    }
+
+    [data-theme="industrial"] .btn {
+      border-radius: 0;
+    }
+
+    .btn-primary {
+      background: var(--btn-primary-bg);
+      color: var(--btn-primary-text);
+      border-color: var(--btn-primary-border);
+    }
+
+    .btn-primary:hover {
+      background: var(--btn-primary-bg-hover);
+    }
+
+    .btn-secondary {
+      background: var(--btn-secondary-bg);
+      color: var(--btn-secondary-text);
+      border-color: var(--btn-secondary-border);
+    }
+
+    .btn-secondary:hover {
+      background: var(--btn-secondary-bg-hover);
+    }
+
+    .btn-ghost {
+      background: var(--btn-ghost-bg);
+      color: var(--btn-ghost-text);
+      border-color: var(--btn-ghost-border);
+    }
+
+    .btn-ghost:hover {
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      border-color: var(--color-primary);
+    }
+
+    .btn-sm {
+      padding: var(--space-1) var(--space-3);
+      font-size: var(--text-caption);
+    }
+
+    .btn svg {
+      width: 14px;
+      height: 14px;
+    }
+
+    /* =========================================================================
+       TAB NAV
+       ========================================================================= */
+
+    .tab-nav {
+      display: flex;
+      align-items: flex-end;
+      gap: 0;
+      border-bottom: 2px solid var(--color-border);
+      margin-bottom: var(--space-5);
+    }
+
+    .tab-btn {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding: var(--space-3) var(--space-5);
+      border: none;
+      border-bottom: 2px solid transparent;
+      margin-bottom: -2px;
+      background: transparent;
+      color: var(--color-text-muted);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      cursor: pointer;
+      transition: var(--transition-fast);
+      white-space: nowrap;
+      letter-spacing: var(--tracking-wide);
+    }
+
+    .tab-btn svg {
+      width: 15px;
+      height: 15px;
+      opacity: 0.7;
+    }
+
+    .tab-btn:hover {
+      color: var(--color-text-primary);
+      background: var(--color-primary-muted);
+    }
+
+    .tab-btn.is-active {
+      color: var(--color-primary);
+      border-bottom-color: var(--color-primary);
+    }
+
+    .tab-btn.is-active svg {
+      opacity: 1;
+    }
+
+    /* Tab panels */
+    .tab-panel {
+      display: none;
+    }
+
+    .tab-panel.is-active {
+      display: block;
+    }
+
+    /* =========================================================================
+       FILTER BAR
+       ========================================================================= */
+
+    .filter-bar {
+      display: flex;
+      align-items: center;
+      gap: var(--space-3);
+      padding: var(--space-3) var(--space-4);
+      background: var(--color-surface-1);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-md);
+      margin-bottom: var(--space-5);
+      flex-wrap: wrap;
+    }
+
+    [data-theme="industrial"] .filter-bar {
+      border-radius: 0;
+      border-left: 3px solid var(--color-primary);
+    }
+
+    .filter-bar__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    .filter-input,
+    .filter-select {
+      padding: var(--space-2) var(--space-3);
+      background: var(--color-bg-overlay);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-sm);
+      color: var(--color-text-primary);
+      font-family: var(--font-body);
+      font-size: var(--text-body-sm);
+      outline: none;
+      transition: var(--transition-fast);
+    }
+
+    [data-theme="industrial"] .filter-input,
+    [data-theme="industrial"] .filter-select {
+      border-radius: 0;
+    }
+
+    .filter-input:focus,
+    .filter-select:focus {
+      border-color: var(--color-border-focus);
+      box-shadow: var(--shadow-focus);
+    }
+
+    .filter-input[type="date"] {
+      color-scheme: dark;
+    }
+
+    [data-theme="modern"] .filter-input[type="date"] {
+      color-scheme: light;
+    }
+
+    .filter-sep {
+      color: var(--color-text-muted);
+      font-size: var(--text-caption);
+    }
+
+    .filter-bar__spacer {
+      flex: 1;
+    }
+
+    /* =========================================================================
+       KPI CARDS GRID
+       ========================================================================= */
+
+    .kpi-grid {
+      display: grid;
+      grid-template-columns: repeat(4, 1fr);
+      gap: var(--space-4);
+      margin-bottom: var(--space-5);
+    }
+
+    @media (max-width: 1024px) {
+      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
+    }
+
+    @media (max-width: 640px) {
+      .kpi-grid { grid-template-columns: 1fr; }
+    }
+
+    .kpi-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-1);
+      position: relative;
+      overflow: hidden;
+      transition: var(--transition-fast);
+    }
+
+    [data-theme="industrial"] .kpi-card {
+      border-radius: 0;
+      border-top: 2px solid var(--color-primary);
+    }
+
+    [data-theme="modern"] .kpi-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    .kpi-card:hover {
+      border-color: var(--color-border-accent);
+      box-shadow: var(--shadow-md);
+    }
+
+    [data-theme="industrial"] .kpi-card:hover {
+      border-top-color: var(--color-primary);
+    }
+
+    .kpi-card__icon {
+      position: absolute;
+      top: var(--space-3);
+      right: var(--space-4);
+      width: 32px;
+      height: 32px;
+      background: var(--color-primary-muted);
+      border-radius: var(--radius-md);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      color: var(--color-primary);
+    }
+
+    .kpi-card__icon svg {
+      width: 16px;
+      height: 16px;
+    }
+
+    .kpi-card__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+    }
+
+    .kpi-card__value {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+      color: var(--color-text-primary);
+      line-height: 1.1;
+    }
+
+    .kpi-card__sub {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      display: flex;
+      align-items: center;
+      gap: var(--space-1);
+      margin-top: var(--space-1);
+    }
+
+    .kpi-card__delta {
+      display: inline-flex;
+      align-items: center;
+      gap: 2px;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      padding: 1px 6px;
+      border-radius: var(--radius-full);
+    }
+
+    .kpi-card__delta--up {
+      background: var(--color-success-light);
+      color: var(--color-success-dark);
+    }
+
+    [data-theme="industrial"] .kpi-card__delta--up {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .kpi-card__delta--down {
+      background: var(--color-error-light);
+      color: var(--color-error-dark);
+    }
+
+    [data-theme="industrial"] .kpi-card__delta--down {
+      background: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    /* =========================================================================
+       SECTION HEADER
+       ========================================================================= */
+
+    .section-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: var(--space-3);
+      gap: var(--space-3);
+    }
+
+    .section-title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-h6);
+      color: var(--color-text-primary);
+      letter-spacing: var(--heading-tracking-h6);
+      text-transform: uppercase;
+    }
+
+    [data-theme="industrial"] .section-title {
+      color: var(--color-primary);
+      letter-spacing: var(--tracking-wider);
+    }
+
+    .section-actions {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    /* =========================================================================
+       CSS BAR CHART
+       ========================================================================= */
+
+    .bar-chart-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4) var(--space-5);
+      margin-bottom: var(--space-5);
+    }
+
+    [data-theme="industrial"] .bar-chart-card {
+      border-radius: 0;
+      border-left: 3px solid var(--color-primary);
+    }
+
+    [data-theme="modern"] .bar-chart-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    .bar-chart-card__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+      margin-bottom: var(--space-4);
+    }
+
+    [data-theme="industrial"] .bar-chart-card__title {
+      color: var(--color-text-accent);
+    }
+
+    .bar-chart {
+      display: flex;
+      align-items: flex-end;
+      gap: var(--space-3);
+      height: 140px;
+    }
+
+    .bar-chart__col {
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      gap: var(--space-1);
+      flex: 1;
+      height: 100%;
+      justify-content: flex-end;
+    }
+
+    .bar-chart__bar-wrap {
+      flex: 1;
+      width: 100%;
+      display: flex;
+      align-items: flex-end;
+    }
+
+    .bar-chart__bar {
+      width: 100%;
+      background: var(--color-primary);
+      border-radius: var(--radius-sm) var(--radius-sm) 0 0;
+      transition: opacity var(--duration-fast) var(--ease-in-out);
+      position: relative;
+      min-height: 4px;
+    }
+
+    [data-theme="industrial"] .bar-chart__bar {
+      border-radius: 0;
+      clip-path: polygon(0 6px, 6px 0, 100% 0, 100% 100%, 0 100%);
+    }
+
+    .bar-chart__bar:hover {
+      opacity: 0.8;
+    }
+
+    .bar-chart__bar-val {
+      position: absolute;
+      top: -18px;
+      left: 50%;
+      transform: translateX(-50%);
+      font-size: 0.6rem;
+      font-weight: var(--font-weight-bold);
+      color: var(--color-text-accent);
+      white-space: nowrap;
+    }
+
+    .bar-chart__day {
+      font-size: 0.65rem;
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    /* =========================================================================
+       DATA TABLES
+       ========================================================================= */
+
+    .table-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      overflow: hidden;
+      margin-bottom: var(--space-5);
+    }
+
+    [data-theme="industrial"] .table-card {
+      border-radius: 0;
+    }
+
+    [data-theme="modern"] .table-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    .table-card__header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      padding: var(--space-3) var(--space-5);
+      border-bottom: 1px solid var(--color-border);
+      background: var(--color-surface-2);
+      gap: var(--space-3);
+    }
+
+    [data-theme="industrial"] .table-card__header {
+      background: var(--color-surface-3);
+    }
+
+    .table-card__title {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-secondary);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+      letter-spacing: var(--tracking-wider);
+      text-transform: uppercase;
+    }
+
+    [data-theme="industrial"] .table-card__title {
+      color: var(--color-text-accent);
+    }
+
+    .table-wrap {
+      overflow-x: auto;
+      scrollbar-width: thin;
+      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+    }
+
+    .data-table {
+      width: 100%;
+      border-collapse: collapse;
+      font-size: var(--text-body-sm);
+    }
+
+    .data-table thead {
+      background: var(--color-surface-1);
+    }
+
+    [data-theme="industrial"] .data-table thead {
+      background: var(--color-surface-2);
+    }
+
+    .data-table th {
+      padding: var(--space-2) var(--space-4);
+      text-align: left;
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      white-space: nowrap;
+      border-bottom: 1px solid var(--color-border);
+    }
+
+    .data-table th.align-right,
+    .data-table td.align-right {
+      text-align: right;
+    }
+
+    .data-table th.align-center,
+    .data-table td.align-center {
+      text-align: center;
+    }
+
+    .data-table td {
+      padding: var(--space-3) var(--space-4);
+      color: var(--color-text-secondary);
+      border-bottom: 1px solid var(--color-border);
+      vertical-align: middle;
+    }
+
+    .data-table tr:last-child td {
+      border-bottom: none;
+    }
+
+    .data-table tbody tr {
+      transition: background var(--duration-fast) var(--ease-in-out);
+    }
+
+    .data-table tbody tr:hover {
+      background: var(--color-primary-muted);
+    }
+
+    .td-strong {
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+    }
+
+    .td-mono {
+      font-family: var(--font-mono);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-primary);
+    }
+
+    .td-mono-accent {
+      font-family: var(--font-mono);
+      font-size: var(--text-body-sm);
+      color: var(--color-text-accent);
+      font-weight: var(--font-weight-bold);
+    }
+
+    /* Rank badge */
+    .rank-badge {
+      display: inline-flex;
+      align-items: center;
+      justify-content: center;
+      width: 22px;
+      height: 22px;
+      background: var(--color-primary-muted);
+      color: var(--color-primary);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-bold);
+      border-radius: var(--radius-sm);
+    }
+
+    [data-theme="industrial"] .rank-badge {
+      border-radius: 0;
+    }
+
+    .rank-badge--gold {
+      background: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    /* Progress bar inline */
+    .progress-mini {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+    }
+
+    .progress-mini__bar {
+      flex: 1;
+      height: 4px;
+      background: var(--color-border);
+      border-radius: var(--radius-full);
+      overflow: hidden;
+      min-width: 60px;
+    }
+
+    .progress-mini__fill {
+      height: 100%;
+      background: var(--color-primary);
+      border-radius: var(--radius-full);
+    }
+
+    .progress-mini__pct {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      white-space: nowrap;
+      min-width: 32px;
+      text-align: right;
+    }
+
+    /* Status pills */
+    .pill {
+      display: inline-flex;
+      align-items: center;
+      gap: var(--space-1);
+      padding: 2px var(--space-2);
+      border-radius: var(--radius-full);
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      white-space: nowrap;
+    }
+
+    .pill--warning {
+      background: rgba(234, 179, 8, 0.15);
+      color: var(--color-warning);
+    }
+
+    .pill--error {
+      background: rgba(239, 68, 68, 0.15);
+      color: var(--color-error);
+    }
+
+    .pill--success {
+      background: rgba(34, 197, 94, 0.15);
+      color: var(--color-success);
+    }
+
+    .pill--muted {
+      background: var(--color-surface-3);
+      color: var(--color-text-muted);
+    }
+
+    .pill--dot::before {
+      content: '';
+      width: 6px;
+      height: 6px;
+      border-radius: var(--radius-full);
+      background: currentColor;
+      flex-shrink: 0;
+    }
+
+    /* Export button group */
+    .export-group {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      padding-top: var(--space-2);
+    }
+
+    .export-label {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+      font-weight: var(--font-weight-semibold);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+    }
+
+    /* =========================================================================
+       AGING TABLE (Financieros)
+       ========================================================================= */
+
+    .aging-grid {
+      display: grid;
+      grid-template-columns: repeat(4, 1fr);
+      gap: var(--space-4);
+      margin-bottom: var(--space-5);
+    }
+
+    @media (max-width: 768px) {
+      .aging-grid { grid-template-columns: repeat(2, 1fr); }
+    }
+
+    .aging-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-4);
+      text-align: center;
+      transition: var(--transition-fast);
+    }
+
+    [data-theme="industrial"] .aging-card {
+      border-radius: 0;
+    }
+
+    [data-theme="modern"] .aging-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    .aging-card:hover {
+      border-color: var(--color-border-accent);
+    }
+
+    .aging-card__range {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+      margin-bottom: var(--space-2);
+    }
+
+    .aging-card__amount {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h5);
+      color: var(--color-text-primary);
+      margin-bottom: var(--space-1);
+    }
+
+    .aging-card__count {
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .aging-card__bar {
+      height: 4px;
+      border-radius: var(--radius-full);
+      margin-top: var(--space-3);
+    }
+
+    .aging-card--ok .aging-card__bar { background: var(--color-success); }
+    .aging-card--warn .aging-card__bar { background: var(--color-warning); }
+    .aging-card--danger .aging-card__bar { background: var(--color-error); }
+    .aging-card--critical .aging-card__bar { background: #991b1b; }
+
+    /* =========================================================================
+       CASH FLOW SUMMARY
+       ========================================================================= */
+
+    .cashflow-grid {
+      display: grid;
+      grid-template-columns: repeat(3, 1fr);
+      gap: var(--space-4);
+      margin-bottom: var(--space-5);
+    }
+
+    @media (max-width: 768px) {
+      .cashflow-grid { grid-template-columns: 1fr; }
+    }
+
+    .cashflow-card {
+      background: var(--color-bg-elevated);
+      border: 1px solid var(--color-border);
+      border-radius: var(--radius-lg);
+      padding: var(--space-5);
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-2);
+    }
+
+    [data-theme="industrial"] .cashflow-card {
+      border-radius: 0;
+    }
+
+    [data-theme="modern"] .cashflow-card {
+      box-shadow: var(--shadow-sm);
+    }
+
+    .cashflow-card--inflow {
+      border-top: 3px solid var(--color-success);
+    }
+
+    .cashflow-card--outflow {
+      border-top: 3px solid var(--color-error);
+    }
+
+    .cashflow-card--net {
+      border-top: 3px solid var(--color-primary);
+    }
+
+    .cashflow-card__label {
+      font-size: var(--text-caption);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-widest);
+      text-transform: uppercase;
+    }
+
+    .cashflow-card__value {
+      font-family: var(--font-heading);
+      font-weight: var(--heading-weight-primary);
+      font-size: var(--text-h4);
+    }
+
+    .cashflow-card--inflow .cashflow-card__value { color: var(--color-success); }
+    .cashflow-card--outflow .cashflow-card__value { color: var(--color-error); }
+    .cashflow-card--net .cashflow-card__value { color: var(--color-primary); }
+
+    .cashflow-card__items {
+      list-style: none;
+      margin-top: var(--space-2);
+      display: flex;
+      flex-direction: column;
+      gap: var(--space-1);
+    }
+
+    .cashflow-card__item {
+      display: flex;
+      justify-content: space-between;
+      font-size: var(--text-caption);
+      color: var(--color-text-secondary);
+      padding-top: var(--space-1);
+      border-top: 1px solid var(--color-border);
+    }
+
+    .cashflow-card__item-val {
+      font-weight: var(--font-weight-semibold);
+      font-family: var(--font-mono);
+    }
+
+    /* =========================================================================
+       TWO-COLUMN LAYOUT HELPER
+       ========================================================================= */
+
+    .two-col {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: var(--space-4);
+    }
+
+    @media (max-width: 900px) {
+      .two-col { grid-template-columns: 1fr; }
+    }
+
+    /* =========================================================================
+       PAYMENT METHOD BARS
+       ========================================================================= */
+
+    .pay-method-row {
+      display: flex;
+      align-items: center;
+      gap: var(--space-4);
+      margin-bottom: var(--space-4);
+    }
+
+    .pay-method-row:last-child {
+      margin-bottom: 0;
+    }
+
+    .pay-method__label {
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-secondary);
+      min-width: 110px;
+      white-space: nowrap;
+    }
+
+    .pay-method__bar-wrap {
+      flex: 1;
+      height: 10px;
+      background: var(--color-border);
+      border-radius: var(--radius-full);
+      overflow: hidden;
+    }
+
+    [data-theme="industrial"] .pay-method__bar-wrap {
+      border-radius: 0;
+    }
+
+    .pay-method__bar {
+      height: 100%;
+      background: var(--color-primary);
+      border-radius: var(--radius-full);
+      transition: width 0.6s var(--ease-in-out);
+    }
+
+    [data-theme="industrial"] .pay-method__bar {
+      border-radius: 0;
+    }
+
+    .pay-method__bar--b { background: var(--color-success); }
+    .pay-method__bar--c { background: var(--color-warning); }
+    .pay-method__bar--d { background: var(--color-primary-muted); border: 1px solid var(--color-primary); }
+
+    [data-theme="industrial"] .pay-method__bar--d {
+      background: rgba(245, 166, 35, 0.2);
+    }
+
+    .pay-method__val {
+      font-family: var(--font-mono);
+      font-size: var(--text-body-sm);
+      font-weight: var(--font-weight-semibold);
+      color: var(--color-text-primary);
+      min-width: 150px;
+      text-align: right;
+      white-space: nowrap;
+    }
+
+    /* =========================================================================
+       DUAL BAR CHART (Ingresos vs Egresos)
+       ========================================================================= */
+
+    .dual-bar-chart {
+      display: flex;
+      align-items: flex-end;
+      gap: var(--space-4);
+      height: 160px;
+      padding-bottom: var(--space-1);
+    }
+
+    .dual-bar-group {
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      gap: var(--space-1);
+      flex: 1;
+      height: 100%;
+      justify-content: flex-end;
+    }
+
+    .dual-bar-cols {
+      display: flex;
+      align-items: flex-end;
+      gap: 3px;
+      width: 100%;
+      flex: 1;
+    }
+
+    .dual-bar {
+      flex: 1;
+      border-radius: var(--radius-sm) var(--radius-sm) 0 0;
+      min-height: 4px;
+      transition: opacity var(--duration-fast) var(--ease-in-out);
+    }
+
+    [data-theme="industrial"] .dual-bar {
+      border-radius: 0;
+    }
+
+    .dual-bar:hover {
+      opacity: 0.8;
+    }
+
+    .dual-bar--ingreso {
+      background: var(--color-success);
+    }
+
+    .dual-bar--egreso {
+      background: var(--color-error);
+    }
+
+    .dual-bar-group__label {
+      font-size: 0.65rem;
+      color: var(--color-text-muted);
+      letter-spacing: var(--tracking-wide);
+      text-transform: uppercase;
+      white-space: nowrap;
+    }
+
+    .dual-chart-legend {
+      display: flex;
+      gap: var(--space-4);
+      margin-top: var(--space-3);
+      margin-bottom: var(--space-4);
+    }
+
+    .legend-item {
+      display: flex;
+      align-items: center;
+      gap: var(--space-2);
+      font-size: var(--text-caption);
+      color: var(--color-text-muted);
+    }
+
+    .legend-dot {
+      width: 10px;
+      height: 10px;
+      border-radius: var(--radius-full);
+      flex-shrink: 0;
+    }
+
+    .legend-dot--ingreso { background: var(--color-success); }
+    .legend-dot--egreso  { background: var(--color-error); }
+
+    /* =========================================================================
+       MARGIN HELPERS
+       ========================================================================= */
+
+    .mb-4 { margin-bottom: var(--space-4); }
+    .mb-5 { margin-bottom: var(--space-5); }
+
+    /* =========================================================================
+       PRINT STYLES
+       ========================================================================= */
+
+    @media print {
+      .theme-bar,
+      .sidebar,
+      .tab-nav,
+      .filter-bar,
+      .content-header__actions,
+      .export-group,
+      .btn {
+        display: none !important;
+      }
+
+      body {
+        overflow: visible !important;
+        font-size: 11pt;
+        color: #000;
+        background: #fff;
+      }
+
+      .app-shell {
+        display: block;
+        padding-top: 0;
+        height: auto;
+      }
+
+      .main-content {
+        overflow: visible;
+        height: auto;
+      }
+
+      .content-body {
+        overflow: visible;
+        height: auto;
+        padding: 0;
+      }
+
+      .tab-panel {
+        display: block !important;
+      }
+
+      .kpi-card,
+      .table-card,
+      .bar-chart-card {
+        break-inside: avoid;
+        border: 1px solid #ccc !important;
+        box-shadow: none !important;
+        border-radius: 0 !important;
+      }
+
+      .kpi-grid {
+        grid-template-columns: repeat(4, 1fr) !important;
+      }
+
+      .data-table th,
+      .data-table td {
+        border: 1px solid #ddd;
+        color: #000;
+        background: #fff !important;
+      }
+
+      .content-header__title {
+        color: #000;
+        font-size: 18pt;
+      }
+
+      @page {
+        margin: 1.5cm;
+        size: A4 landscape;
+      }
+    }
+
+    /* =========================================================================
+       RESPONSIVE SIDEBAR COLLAPSE
+       ========================================================================= */
+
+    @media (max-width: 768px) {
+      .sidebar {
+        width: 56px;
+      }
+
+      .sidebar .brand-name,
+      .sidebar .nav-item span,
+      .sidebar .nav-section-label,
+      .sidebar .profile-info {
+        display: none;
+      }
+
+      .sidebar .nav-item {
+        justify-content: center;
+        padding: var(--space-3);
+        border-left: none;
+        border-bottom: 3px solid transparent;
+      }
+
+      .sidebar .nav-item.is-active {
+        border-bottom-color: var(--color-primary);
+      }
+
+      .sidebar__brand {
+        justify-content: center;
+        padding: var(--space-3);
+      }
+
+      .sidebar__profile {
+        justify-content: center;
+      }
+
+      .content-body {
+        padding: var(--space-4);
+      }
+
+      .kpi-grid {
+        grid-template-columns: repeat(2, 1fr);
+      }
+    }
+  </style>
+</head>
+
+<body>
+
+  <!-- =========================================================================
+       THEME SWITCHER BAR
+       ========================================================================= -->
+  <div class="theme-bar">
+    <div class="theme-bar__left">
+      <span class="theme-bar__brand">Nexus Autoparts</span>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__page">Sucursal Norte — Mzo 2026</span>
+    </div>
+    <div class="theme-bar__right">
+      <span class="theme-bar__label" style="font-family:var(--font-mono)" id="live-clock">00:00:00</span>
+      <div class="theme-bar__sep"></div>
+      <span class="theme-bar__label">Tema</span>
+      <div class="theme-switcher">
+        <button class="theme-btn is-active" id="btn-industrial" onclick="setTheme('industrial')">
+          <svg viewBox="0 0 14 14" width="10" height="10" fill="currentColor"><rect x="1" y="1" width="12" height="12" rx="1"/></svg>
+          Industrial
+        </button>
+        <button class="theme-btn" id="btn-modern" onclick="setTheme('modern')">
+          <svg viewBox="0 0 14 14" width="10" height="10" fill="currentColor"><circle cx="7" cy="7" r="5"/></svg>
+          Modern
+        </button>
+      </div>
+    </div>
+  </div>
+
+  <!-- =========================================================================
+       APP SHELL
+       ========================================================================= -->
+  <div class="app-shell">
+
+    <!-- =======================================================================
+         SIDEBAR
+         ======================================================================= -->
+    <aside class="sidebar">
+      <div class="sidebar__brand">
+        <div class="brand-logo">NA</div>
+        <div class="brand-name">
+          <div class="brand-name__primary">Nexus / Autoparts POS</div>
+        </div>
+      </div>
+
+      <nav class="sidebar__nav">
+        <div class="nav-section-label">Principal</div>
+
+        <a href="dashboard.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="1" y="1" width="7" height="7" rx="1"/><rect x="10" y="1" width="7" height="7" rx="1"/>
+            <rect x="1" y="10" width="7" height="7" rx="1"/><rect x="10" y="10" width="7" height="7" rx="1"/>
+          </svg>
+          <span>Dashboard</span>
+        </a>
+
+        <a href="pos.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="1" y="3" width="16" height="12" rx="1"/><line x1="1" y1="7" x2="17" y2="7"/>
+            <line x1="6" y1="7" x2="6" y2="15"/>
+          </svg>
+          <span>POS</span>
+        </a>
+
+        <a href="catalogo.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="2" y="2" width="14" height="14" rx="1"/><line x1="6" y1="6" x2="12" y2="6"/>
+            <line x1="6" y1="9" x2="12" y2="9"/><line x1="6" y1="12" x2="10" y2="12"/>
+          </svg>
+          <span>Catálogo</span>
+        </a>
+
+        <a href="inventario.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="1" y="5" width="16" height="11" rx="1"/><path d="M5 5V4a4 4 0 018 0v1"/>
+            <line x1="9" y1="9" x2="9" y2="12"/>
+          </svg>
+          <span>Inventario</span>
+        </a>
+
+        <div class="nav-section-label">Gestión</div>
+
+        <a href="clientes.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <circle cx="9" cy="6" r="3"/><path d="M3 15c0-3.314 2.686-6 6-6s6 2.686 6 6"/>
+          </svg>
+          <span>Clientes</span>
+        </a>
+
+        <a href="facturacion.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="3" y="1" width="12" height="16" rx="1"/><line x1="6" y1="6" x2="12" y2="6"/>
+            <line x1="6" y1="9" x2="12" y2="9"/><line x1="6" y1="12" x2="9" y2="12"/>
+          </svg>
+          <span>Facturación</span>
+        </a>
+
+        <a href="contabilidad.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <path d="M9 2v14M2 9h14"/><circle cx="9" cy="9" r="7"/>
+          </svg>
+          <span>Contabilidad</span>
+        </a>
+
+        <a href="reportes.html" class="nav-item is-active">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <rect x="1" y="1" width="16" height="16" rx="1"/>
+            <line x1="5" y1="13" x2="5" y2="9"/><line x1="9" y1="13" x2="9" y2="6"/>
+            <line x1="13" y1="13" x2="13" y2="4"/>
+          </svg>
+          <span>Reportes</span>
+        </a>
+
+        <div class="nav-section-label">Sistema</div>
+
+        <a href="configuracion.html" class="nav-item">
+          <svg class="nav-item__icon" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.5">
+            <circle cx="9" cy="9" r="2.5"/>
+            <path d="M9 1v2M9 15v2M1 9h2M15 9h2M3.22 3.22l1.42 1.42M13.36 13.36l1.42 1.42M3.22 14.78l1.42-1.42M13.36 4.64l1.42-1.42"/>
+          </svg>
+          <span>Configuración</span>
+        </a>
+      </nav>
+
+      <div class="sidebar__profile">
+        <div class="profile-avatar">HG</div>
+        <div class="profile-info">
+          <div class="profile-info__name">Hugo García</div>
+          <div class="profile-info__role">Administrador</div>
+        </div>
+      </div>
+    </aside>
+
+    <!-- =======================================================================
+         MAIN CONTENT
+         ======================================================================= -->
+    <main class="main-content">
+
+      <!-- Header -->
+      <div class="content-header">
+        <div class="content-header__title-block">
+          <span class="content-header__eyebrow">Gestión</span>
+          <h1 class="content-header__title">Reportes</h1>
+        </div>
+        <div class="content-header__actions">
+          <button class="btn btn-ghost">
+            <svg viewBox="0 0 14 14" fill="none" stroke="currentColor" stroke-width="1.5" width="14" height="14">
+              <rect x="1" y="1" width="12" height="12" rx="1"/><line x1="4" y1="5" x2="10" y2="5"/><line x1="4" y1="8" x2="8" y2="8"/>
+            </svg>
+            Exportar Excel
+          </button>
+          <button class="btn btn-primary">
+            <svg viewBox="0 0 14 14" fill="none" stroke="currentColor" stroke-width="1.5" width="14" height="14">
+              <rect x="2" y="1" width="10" height="12" rx="1"/><line x1="5" y1="5" x2="9" y2="5"/><line x1="5" y1="7" x2="9" y2="7"/><line x1="5" y1="9" x2="7" y2="9"/>
+            </svg>
+            Exportar PDF
+          </button>
+        </div>
+      </div>
+
+      <!-- Content Body -->
+      <div class="content-body">
+
+        <!-- TAB NAVIGATION -->
+        <div class="tab-nav">
+          <button class="tab-btn is-active" onclick="switchTab('ventas', this)">
+            <svg viewBox="0 0 15 15" fill="none" stroke="currentColor" stroke-width="1.4">
+              <path d="M1 13l3-4 3 2 3-5 4 3"/><path d="M1 1v12h13"/>
+            </svg>
+            Ventas
+          </button>
+          <button class="tab-btn" onclick="switchTab('inventario', this)">
+            <svg viewBox="0 0 15 15" fill="none" stroke="currentColor" stroke-width="1.4">
+              <rect x="1" y="4" width="13" height="10" rx="1"/><path d="M4 4V3a3 3 0 016 0v1"/>
+            </svg>
+            Inventario
+          </button>
+          <button class="tab-btn" onclick="switchTab('clientes', this)">
+            <svg viewBox="0 0 15 15" fill="none" stroke="currentColor" stroke-width="1.4">
+              <circle cx="7.5" cy="5" r="2.5"/><path d="M2 13c0-3 2.5-5 5.5-5s5.5 2 5.5 5"/>
+            </svg>
+            Clientes
+          </button>
+          <button class="tab-btn" onclick="switchTab('financieros', this)">
+            <svg viewBox="0 0 15 15" fill="none" stroke="currentColor" stroke-width="1.4">
+              <circle cx="7.5" cy="7.5" r="6.5"/><path d="M7.5 1.5v13M4 5h5a2 2 0 010 4H5a2 2 0 000 4h6"/>
+            </svg>
+            Financieros
+          </button>
+        </div>
+
+        <!-- ==================================================================
+             TAB 1: VENTAS
+             ================================================================== -->
+        <div class="tab-panel is-active" id="panel-ventas">
+
+          <!-- Filter Bar -->
+          <div class="filter-bar">
+            <span class="filter-bar__label">Desde</span>
+            <input type="date" class="filter-input" value="2026-03-01" />
+            <span class="filter-bar__label">Hasta</span>
+            <input type="date" class="filter-input" value="2026-03-31" />
+            <select class="filter-select">
+              <option>Todas las sucursales</option>
+              <option>Sucursal Norte</option>
+              <option>Sucursal Sur</option>
+              <option>Sucursal Centro</option>
+            </select>
+            <div class="filter-bar__spacer"></div>
+            <button class="btn btn-primary btn-sm">Generar</button>
+          </div>
+
+          <!-- KPI Cards -->
+          <div class="kpi-grid">
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M8 1v14M4 4h7a2 2 0 010 4H5a2 2 0 000 4h8"/></svg>
+              </div>
+              <div class="kpi-card__label">Total Ventas ($)</div>
+              <div class="kpi-card__value">$487,320</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 12.4%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="1" y="3" width="14" height="10" rx="1"/><line x1="1" y1="7" x2="15" y2="7"/></svg>
+              </div>
+              <div class="kpi-card__label">Ticket Promedio ($)</div>
+              <div class="kpi-card__value">$379.50</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 3.9%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="1" y="5" width="14" height="9" rx="1"/><path d="M4 5V4a4 4 0 018 0v1"/></svg>
+              </div>
+              <div class="kpi-card__label">Productos Vendidos</div>
+              <div class="kpi-card__value">8,941</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--down">↓ 2.3%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="8" cy="8" r="7"/><path d="M5 11l6-6M5 5h2v2"/></svg>
+              </div>
+              <div class="kpi-card__label">Margen Promedio (%)</div>
+              <div class="kpi-card__value">39.6%</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 1.3pp</span>
+                vs mes anterior
+              </div>
+            </div>
+          </div>
+
+          <!-- Bar Chart: Ventas por día -->
+          <div class="bar-chart-card">
+            <div class="bar-chart-card__title">Ventas por Día — Últimos 7 días</div>
+            <div class="bar-chart">
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:68%">
+                    <span class="bar-chart__bar-val">$14.2k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Lun</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:82%">
+                    <span class="bar-chart__bar-val">$17.1k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Mar</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:55%">
+                    <span class="bar-chart__bar-val">$11.5k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Mié</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:91%">
+                    <span class="bar-chart__bar-val">$19.0k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Jue</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:100%">
+                    <span class="bar-chart__bar-val">$20.9k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Vie</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:76%">
+                    <span class="bar-chart__bar-val">$15.9k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Sáb</div>
+              </div>
+              <div class="bar-chart__col">
+                <div class="bar-chart__bar-wrap">
+                  <div class="bar-chart__bar" style="height:38%">
+                    <span class="bar-chart__bar-val">$7.9k</span>
+                  </div>
+                </div>
+                <div class="bar-chart__day">Dom</div>
+              </div>
+            </div>
+          </div>
+
+          <!-- Tables row -->
+          <div class="two-col">
+            <!-- Top 10 Productos -->
+            <div class="table-card">
+              <div class="table-card__header">
+                <span class="table-card__title">Top 10 Productos más Vendidos</span>
+              </div>
+              <div class="table-wrap">
+                <table class="data-table">
+                  <thead>
+                    <tr>
+                      <th>#</th>
+                      <th>Producto</th>
+                      <th>SKU</th>
+                      <th class="align-right">Cantidad</th>
+                      <th class="align-right">Monto</th>
+                      <th>% del Total</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    <tr>
+                      <td><span class="rank-badge rank-badge--gold">1</span></td>
+                      <td class="td-strong">Filtro de aceite Bosch</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">BSC-FLT-001</td>
+                      <td class="align-right td-mono">342</td>
+                      <td class="align-right td-mono-accent">$18,240</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:100%"></div></div>
+                          <span class="progress-mini__pct">11.8%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">2</span></td>
+                      <td class="td-strong">Pastillas freno Brembo</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">BRM-PAS-204</td>
+                      <td class="align-right td-mono">289</td>
+                      <td class="align-right td-mono-accent">$24,565</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:85%"></div></div>
+                          <span class="progress-mini__pct">10.0%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">3</span></td>
+                      <td class="td-strong">Aceite Mobil 5W-30 1L</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">MOB-5W30-1L</td>
+                      <td class="align-right td-mono">521</td>
+                      <td class="align-right td-mono-accent">$15,630</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:73%"></div></div>
+                          <span class="progress-mini__pct">8.6%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">4</span></td>
+                      <td class="td-strong">Bujías NGK Iridium</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">NGK-IRI-B6</td>
+                      <td class="align-right td-mono">198</td>
+                      <td class="align-right td-mono-accent">$11,880</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:58%"></div></div>
+                          <span class="progress-mini__pct">6.5%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">5</span></td>
+                      <td class="td-strong">Batería Optima 12V</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">OPT-BAT-12V</td>
+                      <td class="align-right td-mono">87</td>
+                      <td class="align-right td-mono-accent">$32,190</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:49%"></div></div>
+                          <span class="progress-mini__pct">5.7%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">6</span></td>
+                      <td>Filtro aire K&amp;N</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">KN-AIR-33</td>
+                      <td class="align-right td-mono">156</td>
+                      <td class="align-right td-mono-accent">$9,360</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:44%"></div></div>
+                          <span class="progress-mini__pct">5.1%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">7</span></td>
+                      <td>Amortiguador Monroe</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">MON-AMO-G7</td>
+                      <td class="align-right td-mono">64</td>
+                      <td class="align-right td-mono-accent">$19,200</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:39%"></div></div>
+                          <span class="progress-mini__pct">4.5%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">8</span></td>
+                      <td>Anticongelante 50/50</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">ATC-5050-4L</td>
+                      <td class="align-right td-mono">203</td>
+                      <td class="align-right td-mono-accent">$8,120</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:33%"></div></div>
+                          <span class="progress-mini__pct">3.9%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">9</span></td>
+                      <td>Correa de distribución</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">GAT-COR-K080</td>
+                      <td class="align-right td-mono">41</td>
+                      <td class="align-right td-mono-accent">$14,760</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:28%"></div></div>
+                          <span class="progress-mini__pct">3.2%</span>
+                        </div>
+                      </td>
+                    </tr>
+                    <tr>
+                      <td><span class="rank-badge">10</span></td>
+                      <td>Líquido frenos DOT4</td>
+                      <td class="td-mono" style="color:var(--color-text-muted)">DOT4-FRE-1L</td>
+                      <td class="align-right td-mono">178</td>
+                      <td class="align-right td-mono-accent">$5,340</td>
+                      <td>
+                        <div class="progress-mini">
+                          <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:23%"></div></div>
+                          <span class="progress-mini__pct">2.7%</span>
+                        </div>
+                      </td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+            </div>
+
+            <!-- Ventas por Vendedor -->
+            <div class="table-card">
+              <div class="table-card__header">
+                <span class="table-card__title">Ventas por Vendedor</span>
+              </div>
+              <div class="table-wrap">
+                <table class="data-table">
+                  <thead>
+                    <tr>
+                      <th>Vendedor</th>
+                      <th class="align-right"># Ventas</th>
+                      <th class="align-right">Total</th>
+                      <th class="align-right">Ticket Prom.</th>
+                      <th class="align-center">Estado</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    <tr>
+                      <td>
+                        <div style="display:flex;align-items:center;gap:var(--space-2)">
+                          <div style="width:28px;height:28px;background:var(--color-primary);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0;border-radius:var(--radius-full)">MR</div>
+                          <span class="td-strong">María Rodríguez</span>
+                        </div>
+                      </td>
+                      <td class="align-right td-mono">312</td>
+                      <td class="align-right td-mono-accent">$128,448</td>
+                      <td class="align-right td-mono">$411.69</td>
+                      <td class="align-center"><span class="pill pill--success pill--dot">Activo</span></td>
+                    </tr>
+                    <tr>
+                      <td>
+                        <div style="display:flex;align-items:center;gap:var(--space-2)">
+                          <div style="width:28px;height:28px;background:var(--color-surface-3);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0;border-radius:var(--radius-full)">JL</div>
+                          <span class="td-strong">Juan López</span>
+                        </div>
+                      </td>
+                      <td class="align-right td-mono">287</td>
+                      <td class="align-right td-mono-accent">$109,060</td>
+                      <td class="align-right td-mono">$380.00</td>
+                      <td class="align-center"><span class="pill pill--success pill--dot">Activo</span></td>
+                    </tr>
+                    <tr>
+                      <td>
+                        <div style="display:flex;align-items:center;gap:var(--space-2)">
+                          <div style="width:28px;height:28px;background:var(--color-surface-3);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0;border-radius:var(--radius-full)">AG</div>
+                          <span class="td-strong">Ana Guerrero</span>
+                        </div>
+                      </td>
+                      <td class="align-right td-mono">241</td>
+                      <td class="align-right td-mono-accent">$93,990</td>
+                      <td class="align-right td-mono">$390.00</td>
+                      <td class="align-center"><span class="pill pill--success pill--dot">Activo</span></td>
+                    </tr>
+                    <tr>
+                      <td>
+                        <div style="display:flex;align-items:center;gap:var(--space-2)">
+                          <div style="width:28px;height:28px;background:var(--color-surface-3);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0;border-radius:var(--radius-full)">CH</div>
+                          <span class="td-strong">Carlos Herrera</span>
+                        </div>
+                      </td>
+                      <td class="align-right td-mono">198</td>
+                      <td class="align-right td-mono-accent">$74,448</td>
+                      <td class="align-right td-mono">$376.00</td>
+                      <td class="align-center"><span class="pill pill--warning pill--dot">Licencia</span></td>
+                    </tr>
+                    <tr>
+                      <td>
+                        <div style="display:flex;align-items:center;gap:var(--space-2)">
+                          <div style="width:28px;height:28px;background:var(--color-surface-3);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0;border-radius:var(--radius-full)">PV</div>
+                          <span>Pedro Vargas</span>
+                        </div>
+                      </td>
+                      <td class="align-right td-mono">246</td>
+                      <td class="align-right td-mono-accent">$81,374</td>
+                      <td class="align-right td-mono">$330.79</td>
+                      <td class="align-center"><span class="pill pill--success pill--dot">Activo</span></td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+            </div>
+          </div>
+
+          <!-- Ventas por Método de Pago -->
+          <div class="section-header">
+            <h3 class="section-title">Ventas por Método de Pago</h3>
+          </div>
+          <div class="table-card mb-5">
+            <div class="table-wrap" style="padding: var(--space-4) var(--space-5);">
+              <div class="pay-method-row">
+                <span class="pay-method__label">Efectivo</span>
+                <div class="pay-method__bar-wrap">
+                  <div class="pay-method__bar" style="width:48%"></div>
+                </div>
+                <span class="pay-method__val">$234,114 <span style="color:var(--color-text-muted);font-weight:400">48%</span></span>
+              </div>
+              <div class="pay-method-row">
+                <span class="pay-method__label">Tarjeta</span>
+                <div class="pay-method__bar-wrap">
+                  <div class="pay-method__bar pay-method__bar--b" style="width:27%"></div>
+                </div>
+                <span class="pay-method__val">$131,576 <span style="color:var(--color-text-muted);font-weight:400">27%</span></span>
+              </div>
+              <div class="pay-method-row">
+                <span class="pay-method__label">Transferencia</span>
+                <div class="pay-method__bar-wrap">
+                  <div class="pay-method__bar pay-method__bar--c" style="width:14%"></div>
+                </div>
+                <span class="pay-method__val">$68,225 <span style="color:var(--color-text-muted);font-weight:400">14%</span></span>
+              </div>
+              <div class="pay-method-row">
+                <span class="pay-method__label">Crédito</span>
+                <div class="pay-method__bar-wrap">
+                  <div class="pay-method__bar pay-method__bar--d" style="width:11%"></div>
+                </div>
+                <span class="pay-method__val">$53,605 <span style="color:var(--color-text-muted);font-weight:400">11%</span></span>
+              </div>
+            </div>
+          </div>
+
+        </div>
+
+        <!-- ==================================================================
+             TAB 2: INVENTARIO
+             ================================================================== -->
+        <div class="tab-panel" id="panel-inventario">
+
+          <!-- KPI Cards -->
+          <div class="kpi-grid">
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="1" y="5" width="14" height="9" rx="1"/><path d="M4 5V4a4 4 0 018 0v1"/></svg>
+              </div>
+              <div class="kpi-card__label">Valor Total Inventario ($)</div>
+              <div class="kpi-card__value">$2,140,000</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 5.2%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="1" y="5" width="14" height="9" rx="1"/><path d="M4 5V4a4 4 0 018 0v1"/></svg>
+              </div>
+              <div class="kpi-card__label">SKUs Activos</div>
+              <div class="kpi-card__value">3,847</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">+143</span>
+                nuevos este mes
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M8 1v6l3 3"/><circle cx="8" cy="8" r="7"/></svg>
+              </div>
+              <div class="kpi-card__label">Rotación Promedio</div>
+              <div class="kpi-card__value">4.3x</div>
+              <div class="kpi-card__sub">veces / mes</div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="8" cy="8" r="7"/><line x1="8" y1="5" x2="8" y2="8"/><line x1="8" y1="11" x2="8" y2="11.5" stroke-width="2"/></svg>
+              </div>
+              <div class="kpi-card__label">Artículos Stock Bajo</div>
+              <div class="kpi-card__value">218</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--down">+34</span>
+                vs mes anterior
+              </div>
+            </div>
+          </div>
+
+          <!-- Bajo stock -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Productos con Stock Bajo</span>
+              <span class="pill pill--warning pill--dot">47 productos</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Producto</th>
+                    <th class="align-right">Stock Actual</th>
+                    <th class="align-right">Mínimo</th>
+                    <th>Proveedor</th>
+                    <th>Última Compra</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Filtro combustible Toyota Corolla</td>
+                    <td class="align-right td-mono" style="color:var(--color-error)">2</td>
+                    <td class="align-right td-mono">10</td>
+                    <td>Distribuidora ABC</td>
+                    <td style="color:var(--color-text-muted)">15/Feb/2026</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Bujía Bosch Iridium BK6MCI</td>
+                    <td class="align-right td-mono" style="color:var(--color-error)">4</td>
+                    <td class="align-right td-mono">20</td>
+                    <td>Bosch México</td>
+                    <td style="color:var(--color-text-muted)">20/Feb/2026</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Amortiguador trasero Nissan Sentra</td>
+                    <td class="align-right td-mono" style="color:var(--color-warning)">6</td>
+                    <td class="align-right td-mono">8</td>
+                    <td>Monroe Distribución</td>
+                    <td style="color:var(--color-text-muted)">10/Mar/2026</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Pastilla freno delantera VW Jetta</td>
+                    <td class="align-right td-mono" style="color:var(--color-warning)">7</td>
+                    <td class="align-right td-mono">12</td>
+                    <td>Brembo MX</td>
+                    <td style="color:var(--color-text-muted)">12/Mar/2026</td>
+                  </tr>
+                  <tr>
+                    <td>Aceite transmisión ATF Dexron VI</td>
+                    <td class="align-right td-mono" style="color:var(--color-warning)">9</td>
+                    <td class="align-right td-mono">15</td>
+                    <td>Castrol México</td>
+                    <td style="color:var(--color-text-muted)">05/Mar/2026</td>
+                  </tr>
+                  <tr>
+                    <td>Sensor O2 Bosch Honda Civic</td>
+                    <td class="align-right td-mono" style="color:var(--color-warning)">3</td>
+                    <td class="align-right td-mono">5</td>
+                    <td>Bosch México</td>
+                    <td style="color:var(--color-text-muted)">28/Feb/2026</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <!-- Movimientos del Periodo -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Movimientos del Periodo</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Tipo</th>
+                    <th>Producto</th>
+                    <th class="align-right">Cantidad</th>
+                    <th>Fecha</th>
+                    <th>Usuario</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td><span class="pill pill--success">Entrada</span></td>
+                    <td class="td-strong">Filtro de aceite Bosch x48</td>
+                    <td class="align-right td-mono">48</td>
+                    <td style="color:var(--color-text-muted)">01/Mar/2026</td>
+                    <td>M. Rodríguez</td>
+                  </tr>
+                  <tr>
+                    <td><span class="pill pill--error">Salida</span></td>
+                    <td class="td-strong">Bujías NGK Iridium x12</td>
+                    <td class="align-right td-mono">12</td>
+                    <td style="color:var(--color-text-muted)">03/Mar/2026</td>
+                    <td>J. López</td>
+                  </tr>
+                  <tr>
+                    <td><span class="pill pill--success">Entrada</span></td>
+                    <td class="td-strong">Pastillas Brembo Racing x24</td>
+                    <td class="align-right td-mono">24</td>
+                    <td style="color:var(--color-text-muted)">07/Mar/2026</td>
+                    <td>H. García</td>
+                  </tr>
+                  <tr>
+                    <td><span class="pill pill--error">Salida</span></td>
+                    <td>Aceite Mobil 5W-30 1L x36</td>
+                    <td class="align-right td-mono">36</td>
+                    <td style="color:var(--color-text-muted)">10/Mar/2026</td>
+                    <td>A. Guerrero</td>
+                  </tr>
+                  <tr>
+                    <td><span class="pill pill--success">Entrada</span></td>
+                    <td>Batería Optima 12V x10</td>
+                    <td class="align-right td-mono">10</td>
+                    <td style="color:var(--color-text-muted)">15/Mar/2026</td>
+                    <td>M. Rodríguez</td>
+                  </tr>
+                  <tr>
+                    <td><span class="pill pill--error">Salida</span></td>
+                    <td>Amortiguador Monroe x8</td>
+                    <td class="align-right td-mono">8</td>
+                    <td style="color:var(--color-text-muted)">18/Mar/2026</td>
+                    <td>C. Herrera</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <!-- Productos Sin Movimiento -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Productos Sin Movimiento (&gt;30 días)</span>
+              <span class="pill pill--muted">218 SKUs</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Producto</th>
+                    <th class="align-right">Stock</th>
+                    <th>Último Movimiento</th>
+                    <th class="align-right">Valor</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Radiador Nissan Pathfinder 2004</td>
+                    <td class="align-right td-mono">3</td>
+                    <td style="color:var(--color-text-muted)">26/Nov/2025</td>
+                    <td class="align-right td-mono">$5,610</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Caja dirección Honda CR-V 2001</td>
+                    <td class="align-right td-mono">1</td>
+                    <td style="color:var(--color-text-muted)">24/Dec/2025</td>
+                    <td class="align-right td-mono">$4,800</td>
+                  </tr>
+                  <tr>
+                    <td>Alternador Chevrolet S10 2000</td>
+                    <td class="align-right td-mono">2</td>
+                    <td style="color:var(--color-text-muted)">16/Jan/2026</td>
+                    <td class="align-right td-mono">$3,200</td>
+                  </tr>
+                  <tr>
+                    <td>Compresor A/C Ford Explorer 2002</td>
+                    <td class="align-right td-mono">1</td>
+                    <td style="color:var(--color-text-muted)">30/Jan/2026</td>
+                    <td class="align-right td-mono">$6,900</td>
+                  </tr>
+                  <tr>
+                    <td>Eje flecha Jetta A3 izq.</td>
+                    <td class="align-right td-mono">4</td>
+                    <td style="color:var(--color-text-muted)">14/Feb/2026</td>
+                    <td class="align-right td-mono">$5,200</td>
+                  </tr>
+                  <tr>
+                    <td>Bomba agua Seat Ibiza 1.6</td>
+                    <td class="align-right td-mono">2</td>
+                    <td style="color:var(--color-text-muted)">28/Feb/2026</td>
+                    <td class="align-right td-mono">$1,640</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+        </div>
+
+        <!-- ==================================================================
+             TAB 3: CLIENTES
+             ================================================================== -->
+        <div class="tab-panel" id="panel-clientes">
+
+          <!-- KPI Cards -->
+          <div class="kpi-grid">
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="6" cy="5" r="2.5"/><path d="M1 13c0-2.76 2.24-5 5-5s5 2.24 5 5"/><circle cx="12" cy="5" r="2"/><path d="M12 9c1.66 0 3 1.34 3 3"/></svg>
+              </div>
+              <div class="kpi-card__label">Clientes Activos</div>
+              <div class="kpi-card__value">4,210</div>
+              <div class="kpi-card__sub">registros activos</div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="8" cy="8" r="6.5"/><line x1="8" y1="5" x2="8" y2="11"/><line x1="5" y1="8" x2="11" y2="8"/></svg>
+              </div>
+              <div class="kpi-card__label">Nuevos del Mes</div>
+              <div class="kpi-card__value">143</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 18.3%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="1" y="3" width="14" height="10" rx="1"/><line x1="1" y1="7" x2="15" y2="7"/></svg>
+              </div>
+              <div class="kpi-card__label">Clientes con Crédito</div>
+              <div class="kpi-card__value">892</div>
+              <div class="kpi-card__sub">líneas activas</div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M8 1v14M4 4h7a2 2 0 010 4H5a2 2 0 000 4h8"/></svg>
+              </div>
+              <div class="kpi-card__label">Saldo Total Créditos ($)</div>
+              <div class="kpi-card__value">$249,510</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--down">↑ 4.2%</span>
+                vs mes anterior
+              </div>
+            </div>
+          </div>
+
+          <!-- Top 10 Clientes por Compras -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Top 10 Clientes por Compras</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Cliente</th>
+                    <th>RFC</th>
+                    <th class="align-right">Compras</th>
+                    <th class="align-right">Monto Total</th>
+                    <th>Última Compra</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Taller Mecánico El Rápido</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">TME840312HX4</td>
+                    <td class="align-right td-mono">48</td>
+                    <td class="align-right td-mono-accent">$42,890</td>
+                    <td>31 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Autoservicio García Hnos.</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">AGH920518KL9</td>
+                    <td class="align-right td-mono">39</td>
+                    <td class="align-right td-mono-accent">$38,120</td>
+                    <td>30 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Flota Transporte Noreste SA</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">FTN010628AB3</td>
+                    <td class="align-right td-mono">27</td>
+                    <td class="align-right td-mono-accent">$89,430</td>
+                    <td>25 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Roberto Mendoza Torres</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">METR780904QJ2</td>
+                    <td class="align-right td-mono">31</td>
+                    <td class="align-right td-mono-accent">$24,560</td>
+                    <td>28 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Refaccionaria El Centro</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">REC851107MN5</td>
+                    <td class="align-right td-mono">22</td>
+                    <td class="align-right td-mono-accent">$31,080</td>
+                    <td>29 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Miguel Ángel Ríos</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">RIMA771215FP7</td>
+                    <td class="align-right td-mono">24</td>
+                    <td class="align-right td-mono-accent">$18,320</td>
+                    <td>27 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Servicio Express Monterrey</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">SEM960430DX1</td>
+                    <td class="align-right td-mono">18</td>
+                    <td class="align-right td-mono-accent">$22,140</td>
+                    <td>26 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Distribuidora Xóchitl S.A.</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">DXS030811CR4</td>
+                    <td class="align-right td-mono">15</td>
+                    <td class="align-right td-mono-accent">$27,600</td>
+                    <td>18 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Laura Sánchez Pérez</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">SAPL820612RH8</td>
+                    <td class="align-right td-mono">19</td>
+                    <td class="align-right td-mono-accent">$14,250</td>
+                    <td>20 Mar 2026</td>
+                  </tr>
+                  <tr>
+                    <td>Arturo Vega Castillo</td>
+                    <td class="td-mono" style="color:var(--color-text-muted)">VECA790318GK6</td>
+                    <td class="align-right td-mono">17</td>
+                    <td class="align-right td-mono-accent">$11,900</td>
+                    <td>22 Mar 2026</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <!-- Clientes con Saldo Pendiente -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Clientes con Saldo Pendiente</span>
+              <span class="pill pill--error pill--dot">12 clientes</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Cliente</th>
+                    <th class="align-right">Crédito Autorizado</th>
+                    <th class="align-right">Saldo</th>
+                    <th>Vencimiento</th>
+                    <th class="align-center">Estado</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Taller Moreno e Hijos</td>
+                    <td class="align-right td-mono">$25,000</td>
+                    <td class="align-right td-mono-accent">$18,400</td>
+                    <td style="color:var(--color-error)">28 Dic 2025</td>
+                    <td class="align-center"><span class="pill pill--error">Vencido</span></td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Servicio López Automóviles</td>
+                    <td class="align-right td-mono">$15,000</td>
+                    <td class="align-right td-mono-accent">$9,750</td>
+                    <td style="color:var(--color-error)">23 Ene 2026</td>
+                    <td class="align-center"><span class="pill pill--error">Vencido</span></td>
+                  </tr>
+                  <tr>
+                    <td>Ricardo Castro N.</td>
+                    <td class="align-right td-mono">$8,000</td>
+                    <td class="align-right td-mono-accent">$4,200</td>
+                    <td style="color:var(--color-warning)">15 Feb 2026</td>
+                    <td class="align-center"><span class="pill pill--warning">Por vencer</span></td>
+                  </tr>
+                  <tr>
+                    <td>Autoelectrónica Ramos</td>
+                    <td class="align-right td-mono">$12,000</td>
+                    <td class="align-right td-mono-accent">$6,890</td>
+                    <td style="color:var(--color-warning)">22 Feb 2026</td>
+                    <td class="align-center"><span class="pill pill--warning">Por vencer</span></td>
+                  </tr>
+                  <tr>
+                    <td>Grupo Autopartes del Sur</td>
+                    <td class="align-right td-mono">$20,000</td>
+                    <td class="align-right td-mono-accent">$12,300</td>
+                    <td>30 Mar 2026</td>
+                    <td class="align-center"><span class="pill pill--success">Vigente</span></td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+          <!-- Clientes Nuevos del Mes -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Clientes Nuevos del Mes</span>
+              <span class="pill pill--success pill--dot">143 este mes</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Nombre</th>
+                    <th>Fecha Alta</th>
+                    <th class="align-right">Compras</th>
+                    <th class="align-center">Tipo</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Ernesto Jiménez Soto</td>
+                    <td>31 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$1,240</td>
+                    <td class="align-center"><span class="pill pill--muted">Mostrador</span></td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Taller Veloz S.A.</td>
+                    <td>30 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$4,890</td>
+                    <td class="align-center"><span class="pill pill--success">Taller</span></td>
+                  </tr>
+                  <tr>
+                    <td>Patricia Núñez Domínguez</td>
+                    <td>28 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$680</td>
+                    <td class="align-center"><span class="pill pill--muted">Mostrador</span></td>
+                  </tr>
+                  <tr>
+                    <td>Flotilla Logística MX</td>
+                    <td>27 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$12,430</td>
+                    <td class="align-center"><span class="pill pill--success">Taller</span></td>
+                  </tr>
+                  <tr>
+                    <td>Francisco Serrano V.</td>
+                    <td>25 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$920</td>
+                    <td class="align-center"><span class="pill pill--muted">Mostrador</span></td>
+                  </tr>
+                  <tr>
+                    <td>Electro-Auto Precisión</td>
+                    <td>24 Mar 2026</td>
+                    <td class="align-right td-mono-accent">$3,400</td>
+                    <td class="align-center"><span class="pill pill--success">Taller</span></td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+        </div>
+
+        <!-- ==================================================================
+             TAB 4: FINANCIEROS
+             ================================================================== -->
+        <div class="tab-panel" id="panel-financieros">
+
+          <!-- KPI Cards -->
+          <div class="kpi-grid">
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M1 13l3-4 3 2 3-5 4 3"/><path d="M1 1v12h13"/></svg>
+              </div>
+              <div class="kpi-card__label">Ingresos ($)</div>
+              <div class="kpi-card__value">$487,320</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 12.4%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="8" cy="8" r="7"/><line x1="5" y1="8" x2="11" y2="8"/></svg>
+              </div>
+              <div class="kpi-card__label">Egresos ($)</div>
+              <div class="kpi-card__value">$294,180</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--down">↑ 9.8%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M8 1v14M4 4h7a2 2 0 010 4H5a2 2 0 000 4h8"/></svg>
+              </div>
+              <div class="kpi-card__label">Utilidad ($)</div>
+              <div class="kpi-card__value">$193,140</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 16.2%</span>
+                vs mes anterior
+              </div>
+            </div>
+            <div class="kpi-card">
+              <div class="kpi-card__icon">
+                <svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="8" cy="8" r="7"/><path d="M5 11l6-6M5 5h2v2"/></svg>
+              </div>
+              <div class="kpi-card__label">Margen (%)</div>
+              <div class="kpi-card__value">39.6%</div>
+              <div class="kpi-card__sub">
+                <span class="kpi-card__delta kpi-card__delta--up">↑ 1.3pp</span>
+                vs mes anterior
+              </div>
+            </div>
+          </div>
+
+          <!-- Ingresos vs Egresos chart (6 months) -->
+          <div class="bar-chart-card">
+            <div class="bar-chart-card__title">Ingresos vs Egresos — Últimos 6 Meses</div>
+            <div class="dual-chart-legend">
+              <div class="legend-item"><div class="legend-dot legend-dot--ingreso"></div> Ingresos</div>
+              <div class="legend-item"><div class="legend-dot legend-dot--egreso"></div> Egresos</div>
+            </div>
+            <div class="dual-bar-chart">
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:82%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:71%"></div>
+                </div>
+                <div class="dual-bar-group__label">Oct</div>
+              </div>
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:75%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:66%"></div>
+                </div>
+                <div class="dual-bar-group__label">Nov</div>
+              </div>
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:91%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:78%"></div>
+                </div>
+                <div class="dual-bar-group__label">Dic</div>
+              </div>
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:82%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:69%"></div>
+                </div>
+                <div class="dual-bar-group__label">Ene</div>
+              </div>
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:89%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:74%"></div>
+                </div>
+                <div class="dual-bar-group__label">Feb</div>
+              </div>
+              <div class="dual-bar-group">
+                <div class="dual-bar-cols">
+                  <div class="dual-bar dual-bar--ingreso" style="height:100%"></div>
+                  <div class="dual-bar dual-bar--egreso" style="height:84%"></div>
+                </div>
+                <div class="dual-bar-group__label">Mar</div>
+              </div>
+            </div>
+          </div>
+
+          <!-- Desglose de Gastos -->
+          <div class="section-header">
+            <h3 class="section-title">Desglose de Gastos</h3>
+          </div>
+          <div class="table-card mb-5">
+            <div class="table-wrap" style="padding: var(--space-5);">
+              <div style="display:grid;grid-template-columns:1fr 1fr;gap:var(--space-6)">
+                <div>
+                  <table class="data-table" style="margin-bottom:0">
+                    <thead>
+                      <tr>
+                        <th>Categoría</th>
+                        <th class="align-right">Monto</th>
+                        <th>% del Total</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      <tr>
+                        <td class="td-strong">Compra de mercancía</td>
+                        <td class="align-right td-mono-accent">$157,840</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:100%"></div></div>
+                            <span class="progress-mini__pct">53.6%</span>
+                          </div>
+                        </td>
+                      </tr>
+                      <tr>
+                        <td class="td-strong">Nómina</td>
+                        <td class="align-right td-mono-accent">$89,400</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:57%"></div></div>
+                            <span class="progress-mini__pct">30.4%</span>
+                          </div>
+                        </td>
+                      </tr>
+                      <tr>
+                        <td>Renta y servicios</td>
+                        <td class="align-right td-mono">$28,100</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:18%"></div></div>
+                            <span class="progress-mini__pct">9.5%</span>
+                          </div>
+                        </td>
+                      </tr>
+                      <tr>
+                        <td>Impuestos y contribuciones</td>
+                        <td class="align-right td-mono">$14,640</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:9%"></div></div>
+                            <span class="progress-mini__pct">4.9%</span>
+                          </div>
+                        </td>
+                      </tr>
+                      <tr>
+                        <td>Logística y transporte</td>
+                        <td class="align-right td-mono">$4,200</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:3%"></div></div>
+                            <span class="progress-mini__pct">1.4%</span>
+                          </div>
+                        </td>
+                      </tr>
+                      <tr>
+                        <td>Otros</td>
+                        <td class="align-right td-mono">$200</td>
+                        <td>
+                          <div class="progress-mini">
+                            <div class="progress-mini__bar"><div class="progress-mini__fill" style="width:0.5%"></div></div>
+                            <span class="progress-mini__pct">0.1%</span>
+                          </div>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </div>
+                <div>
+                  <div style="font-size:var(--text-caption);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:var(--tracking-widest);font-weight:var(--font-weight-semibold);margin-bottom:var(--space-3)">Total Egresos del Periodo</div>
+                  <div style="font-family:var(--font-heading);font-size:var(--text-h3);font-weight:var(--heading-weight-primary);color:var(--color-text-primary);margin-bottom:var(--space-2)">$294,180</div>
+                  <div style="font-size:var(--text-body-sm);color:var(--color-text-muted);margin-bottom:var(--space-5)">Marzo 2026</div>
+                  <div style="display:flex;flex-direction:column;gap:var(--space-3)">
+                    <div style="display:flex;justify-content:space-between;font-size:var(--text-caption)">
+                      <span style="color:var(--color-text-muted)">Mayor gasto:</span>
+                      <span style="font-weight:var(--font-weight-semibold)">Compra mercancía</span>
+                    </div>
+                    <div style="display:flex;justify-content:space-between;font-size:var(--text-caption)">
+                      <span style="color:var(--color-text-muted)">% sobre ventas:</span>
+                      <span style="font-weight:var(--font-weight-semibold);color:var(--color-primary)">60.4%</span>
+                    </div>
+                    <div style="display:flex;justify-content:space-between;font-size:var(--text-caption)">
+                      <span style="color:var(--color-text-muted)">vs mes anterior:</span>
+                      <span style="font-weight:var(--font-weight-semibold);color:var(--color-error)">↑ 9.8%</span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <!-- Flujo de Efectivo Semanal -->
+          <div class="table-card mb-5">
+            <div class="table-card__header">
+              <span class="table-card__title">Flujo de Efectivo Semanal — Marzo 2026</span>
+            </div>
+            <div class="table-wrap">
+              <table class="data-table">
+                <thead>
+                  <tr>
+                    <th>Semana</th>
+                    <th class="align-right">Ingresos</th>
+                    <th class="align-right">Egresos</th>
+                    <th class="align-right">Neto</th>
+                    <th class="align-right">Acumulado</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <td class="td-strong">Semana 1 (01–07 Mar)</td>
+                    <td class="align-right td-mono">$98,240</td>
+                    <td class="align-right td-mono">$61,800</td>
+                    <td class="align-right td-mono-accent">$36,440</td>
+                    <td class="align-right" style="font-family:var(--font-mono);font-weight:700;color:var(--color-primary)">$36,440</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Semana 2 (08–14 Mar)</td>
+                    <td class="align-right td-mono">$124,560</td>
+                    <td class="align-right td-mono">$74,200</td>
+                    <td class="align-right td-mono-accent">$50,360</td>
+                    <td class="align-right" style="font-family:var(--font-mono);font-weight:700;color:var(--color-primary)">$86,800</td>
+                  </tr>
+                  <tr>
+                    <td class="td-strong">Semana 3 (15–21 Mar)</td>
+                    <td class="align-right td-mono">$132,890</td>
+                    <td class="align-right td-mono">$82,640</td>
+                    <td class="align-right td-mono-accent">$50,250</td>
+                    <td class="align-right" style="font-family:var(--font-mono);font-weight:700;color:var(--color-primary)">$137,050</td>
+                  </tr>
+                  <tr style="background: var(--color-primary-muted);">
+                    <td class="td-strong" style="color:var(--color-primary)">Semana 4 (22–31 Mar)</td>
+                    <td class="align-right td-mono">$131,630</td>
+                    <td class="align-right td-mono">$75,540</td>
+                    <td class="align-right td-mono-accent">$56,090</td>
+                    <td class="align-right" style="font-family:var(--font-mono);font-weight:700;color:var(--color-primary)">$193,140</td>
+                  </tr>
+                  <tr>
+                    <td style="color:var(--color-text-muted)">Total Marzo 2026</td>
+                    <td class="align-right td-mono" style="font-weight:700">$487,320</td>
+                    <td class="align-right td-mono" style="font-weight:700">$294,180</td>
+                    <td class="align-right td-mono-accent" style="font-weight:700">$193,140</td>
+                    <td class="align-right" style="font-family:var(--font-mono);font-weight:700;color:var(--color-success)">$193,140</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+
+        </div>
+        <!-- End panels -->
+
+      </div>
+      <!-- End content-body -->
+
+    </main>
+  </div>
+  <!-- End app-shell -->
+
+  <script src="/pos/static/js/reports.js"></script>
+
+</body>
+</html>