feat: add dark theme design system with gold accents

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/Frontend-Hotel/src/styles/Dashboard.css

@@ -8,7 +8,7 @@
 }
 
 .sidebar {
-  background: linear-gradient(to bottom, #961227, #680012);
+  background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
   color: white;
   width: 200px;
   display: flex;
@@ -32,8 +32,8 @@
 }
 
 .sidebar nav a:hover {
-  background: #fc9b00;
+  background: var(--accent-gold-muted);
-  color: rgb(14, 0, 0);
+  color: var(--accent-gold);
 }
 
 .sidebar-header {
@@ -54,9 +54,9 @@
 
 .sidebar-toggle-button:focus {
   outline: none;
-  background: #fc9b00;
+  background: var(--accent-gold-muted);
-  box-shadow: 0 0 0 3px;
+  box-shadow: 0 0 0 3px var(--accent-gold);
-  background-color: rgba(255, 207, 48, 0.733);
+  background-color: var(--accent-gold-muted);
 }
 
 .menu-btn {
@@ -88,7 +88,8 @@
 }
 
 .menu-items a:hover {
-  background-color: #a0122b;
+  background-color: var(--accent-gold-muted);
+  color: var(--accent-gold);
 }
 
 /* Área principal */
@@ -102,17 +103,18 @@
 
 .content {
   padding: 2rem;
-  background-color: #f0eeee;
+  background-color: var(--bg-primary);
   flex: 1;
   overflow-y: auto; /* Permite scroll vertical si es necesario */
 }
 
 .topbar {
-  background-color: #e3b600;
+  background-color: var(--bg-secondary);
   display: flex;
   flex-direction: column;
   padding: 0.1rem 0.4rem;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+  border-bottom: 2px solid var(--accent-gold);
 }
 
 .topbar-header {
@@ -142,15 +144,15 @@
   font-size: 1.2rem;
   padding: 3px 6px;
   border-radius: 4px;
-  background-color: #791313;
+  background: var(--accent-gold-muted);
-  color: white;
+  color: var(--accent-gold);
   font-weight: 600;
   text-decoration: none;
   transition: background-color 0.5s ease;
 }
 
 .submenu-link:hover {
-  background-color: #a0122b;
+  background-color: rgba(212, 165, 116, 0.25);
 }
 
 .topbar-left {
@@ -173,33 +175,34 @@
 }
 
 .topbar-icon:hover {
-  color: #791313;
+  color: var(--accent-gold);
 }
 
 .submenu-link:hover {
-  background-color: #f5d600;
+  background-color: rgba(212, 165, 116, 0.25);
 }
 
 .language-select {
   padding: 6px 10px;
   border-radius: 20px;
-  background-color: #ffffff;
+  background-color: var(--bg-elevated);
-  border: none;
+  border: 1px solid var(--border-color);
   font-size: 0.9rem;
   font-weight: bold;
-  color: #680012;
+  color: var(--text-primary);
   cursor: pointer;
   transition: background-color 0.3s ease;
   box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
 }
 
 .language-select:hover {
-  background-color: #f5d600;
+  background-color: var(--accent-gold-muted);
+  color: var(--accent-gold);
 }
 
 .language-select:focus {
   outline: none;
-  box-shadow: 0 0 0 2px #680012;
+  box-shadow: 0 0 0 2px var(--accent-gold);
 }
 
 /* 

frontend/Frontend-Hotel/src/styles/global.css

@@ -1,3 +1,5 @@
+@import './theme.css';
+
 .app {
   background-color: rgba(255, 223, 0, 0.85);
   display: flex;
@@ -36,7 +38,7 @@ button {
 }
  */
 .content {
-  padding: 20px;
+  padding: var(--space-lg);
 }
 
 /* Fondo del modal */

frontend/Frontend-Hotel/src/styles/theme.css

@@ -0,0 +1,447 @@
+:root {
+  /* Background layers */
+  --bg-primary: #0a0a0a;
+  --bg-secondary: #1a1a1a;
+  --bg-elevated: #2a2a2a;
+  --bg-surface: #1e1e1e;
+
+  /* Accent */
+  --accent-gold: #d4a574;
+  --accent-gold-hover: #e0b88a;
+  --accent-gold-muted: rgba(212, 165, 116, 0.15);
+
+  /* Text */
+  --text-primary: #ffffff;
+  --text-secondary: #a0a0a0;
+  --text-muted: #666666;
+
+  /* Status colors */
+  --status-available: #22c55e;
+  --status-occupied: #3b82f6;
+  --status-cleaning: #eab308;
+  --status-maintenance: #ef4444;
+
+  /* Semantic colors */
+  --success: #22c55e;
+  --warning: #eab308;
+  --error: #ef4444;
+  --info: #3b82f6;
+
+  /* Borders */
+  --border-color: #333333;
+  --border-subtle: #2a2a2a;
+
+  /* Shadows */
+  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
+  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
+  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
+
+  /* Border radius */
+  --radius-sm: 6px;
+  --radius-md: 8px;
+  --radius-lg: 12px;
+  --radius-xl: 16px;
+
+  /* Spacing */
+  --space-xs: 4px;
+  --space-sm: 8px;
+  --space-md: 16px;
+  --space-lg: 24px;
+  --space-xl: 32px;
+
+  /* Typography */
+  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
+}
+
+body {
+  background-color: var(--bg-primary);
+  color: var(--text-primary);
+  font-family: var(--font-sans);
+  margin: 0;
+}
+
+/* === Card Components === */
+.card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-lg);
+  padding: var(--space-lg);
+}
+
+.card-elevated {
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-lg);
+  padding: var(--space-lg);
+}
+
+/* === Status Badges === */
+.badge {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 10px;
+  border-radius: 20px;
+  font-size: 0.75rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+.badge-available { background: rgba(34, 197, 94, 0.15); color: var(--status-available); }
+.badge-occupied { background: rgba(59, 130, 246, 0.15); color: var(--status-occupied); }
+.badge-cleaning { background: rgba(234, 179, 8, 0.15); color: var(--status-cleaning); }
+.badge-maintenance { background: rgba(239, 68, 68, 0.15); color: var(--status-maintenance); }
+.badge-pending { background: rgba(234, 179, 8, 0.15); color: var(--status-cleaning); }
+.badge-confirmed { background: rgba(59, 130, 246, 0.15); color: var(--status-occupied); }
+.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
+.badge-error { background: rgba(239, 68, 68, 0.15); color: var(--error); }
+.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--info); }
+
+/* === KPI Cards === */
+.kpi-card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-lg);
+  padding: var(--space-lg);
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-sm);
+}
+
+.kpi-card .kpi-value {
+  font-size: 2rem;
+  font-weight: 700;
+  color: var(--text-primary);
+}
+
+.kpi-card .kpi-label {
+  font-size: 0.875rem;
+  color: var(--text-secondary);
+}
+
+.kpi-card .kpi-trend {
+  font-size: 0.75rem;
+  font-weight: 600;
+}
+
+.kpi-trend.positive { color: var(--success); }
+.kpi-trend.negative { color: var(--error); }
+
+/* === Buttons === */
+.btn-gold {
+  background: var(--accent-gold);
+  color: #000;
+  border: none;
+  padding: 10px 20px;
+  border-radius: var(--radius-md);
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s;
+  font-size: 0.875rem;
+}
+
+.btn-gold:hover {
+  background: var(--accent-gold-hover);
+}
+
+.btn-outline {
+  background: transparent;
+  color: var(--text-primary);
+  border: 1px solid var(--border-color);
+  padding: 10px 20px;
+  border-radius: var(--radius-md);
+  cursor: pointer;
+  transition: all 0.2s;
+  font-size: 0.875rem;
+}
+
+.btn-outline:hover {
+  border-color: var(--accent-gold);
+  color: var(--accent-gold);
+}
+
+.btn-sm {
+  padding: 6px 12px;
+  font-size: 0.75rem;
+}
+
+.btn-danger {
+  background: rgba(239, 68, 68, 0.15);
+  color: var(--error);
+  border: 1px solid rgba(239, 68, 68, 0.3);
+  padding: 10px 20px;
+  border-radius: var(--radius-md);
+  cursor: pointer;
+  transition: all 0.2s;
+  font-size: 0.875rem;
+}
+
+.btn-danger:hover {
+  background: rgba(239, 68, 68, 0.25);
+}
+
+.btn-success {
+  background: rgba(34, 197, 94, 0.15);
+  color: var(--success);
+  border: 1px solid rgba(34, 197, 94, 0.3);
+  padding: 10px 20px;
+  border-radius: var(--radius-md);
+  cursor: pointer;
+  transition: all 0.2s;
+  font-size: 0.875rem;
+}
+
+.btn-success:hover {
+  background: rgba(34, 197, 94, 0.25);
+}
+
+/* === Form Inputs === */
+.input-dark {
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-color);
+  color: var(--text-primary);
+  padding: 10px 14px;
+  border-radius: var(--radius-md);
+  font-size: 0.875rem;
+  width: 100%;
+  outline: none;
+  transition: border-color 0.2s;
+  box-sizing: border-box;
+}
+
+.input-dark:focus {
+  border-color: var(--accent-gold);
+}
+
+.input-dark::placeholder {
+  color: var(--text-muted);
+}
+
+.select-dark {
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-color);
+  color: var(--text-primary);
+  padding: 10px 14px;
+  border-radius: var(--radius-md);
+  font-size: 0.875rem;
+  width: 100%;
+  outline: none;
+  cursor: pointer;
+}
+
+.select-dark:focus {
+  border-color: var(--accent-gold);
+}
+
+.label-dark {
+  color: var(--text-secondary);
+  font-size: 0.75rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  margin-bottom: var(--space-xs);
+  display: block;
+}
+
+/* === Tables === */
+.table-dark {
+  width: 100%;
+  border-collapse: collapse;
+}
+
+.table-dark th {
+  text-align: left;
+  padding: 12px 16px;
+  color: var(--text-secondary);
+  font-size: 0.75rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.table-dark td {
+  padding: 12px 16px;
+  border-bottom: 1px solid var(--border-subtle);
+  color: var(--text-primary);
+  font-size: 0.875rem;
+}
+
+.table-dark tr:hover {
+  background: var(--bg-elevated);
+}
+
+/* === Grid Layouts === */
+.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
+.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
+.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
+.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-lg); }
+
+@media (max-width: 1024px) {
+  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
+  .grid-3 { grid-template-columns: repeat(2, 1fr); }
+}
+
+@media (max-width: 640px) {
+  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
+}
+
+/* === Room Grid Cards === */
+.room-card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-md);
+  padding: var(--space-md);
+  cursor: pointer;
+  transition: all 0.2s;
+  border-left: 4px solid var(--border-color);
+}
+
+.room-card:hover {
+  background: var(--bg-elevated);
+  transform: translateY(-1px);
+}
+
+.room-card.available { border-left-color: var(--status-available); }
+.room-card.occupied { border-left-color: var(--status-occupied); }
+.room-card.cleaning { border-left-color: var(--status-cleaning); }
+.room-card.maintenance { border-left-color: var(--status-maintenance); }
+
+.room-card .room-number {
+  font-size: 1.125rem;
+  font-weight: 700;
+  color: var(--text-primary);
+}
+
+.room-card .room-info {
+  font-size: 0.8rem;
+  color: var(--text-secondary);
+  margin-top: var(--space-xs);
+}
+
+/* === Modal === */
+.modal-overlay-dark {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.7);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.modal-content-dark {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-xl);
+  padding: var(--space-xl);
+  max-width: 500px;
+  width: 90%;
+  max-height: 85vh;
+  overflow-y: auto;
+  box-shadow: var(--shadow-lg);
+}
+
+.modal-content-dark h2 {
+  color: var(--text-primary);
+  margin-top: 0;
+  margin-bottom: var(--space-lg);
+  font-size: 1.25rem;
+}
+
+/* === Search Input === */
+.search-bar {
+  display: flex;
+  align-items: center;
+  background: var(--bg-elevated);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-md);
+  padding: 0 var(--space-md);
+  transition: border-color 0.2s;
+}
+
+.search-bar:focus-within {
+  border-color: var(--accent-gold);
+}
+
+.search-bar input {
+  background: transparent;
+  border: none;
+  color: var(--text-primary);
+  padding: 10px;
+  flex: 1;
+  outline: none;
+  font-size: 0.875rem;
+}
+
+.search-bar input::placeholder {
+  color: var(--text-muted);
+}
+
+/* === Tab/Filter Pills === */
+.filter-pills {
+  display: flex;
+  gap: var(--space-sm);
+  flex-wrap: wrap;
+}
+
+.filter-pill {
+  padding: 6px 16px;
+  border-radius: 20px;
+  font-size: 0.8rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+  background: var(--bg-elevated);
+  color: var(--text-secondary);
+  border: 1px solid var(--border-color);
+}
+
+.filter-pill:hover {
+  color: var(--accent-gold);
+  border-color: var(--accent-gold);
+}
+
+.filter-pill.active {
+  background: var(--accent-gold-muted);
+  color: var(--accent-gold);
+  border-color: var(--accent-gold);
+}
+
+/* === Page Header === */
+.page-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: var(--space-xl);
+}
+
+.page-header h2 {
+  color: var(--text-primary);
+  font-size: 1.5rem;
+  font-weight: 700;
+  margin: 0;
+}
+
+/* === Empty State === */
+.empty-state {
+  text-align: center;
+  padding: var(--space-xl) * 2;
+  color: var(--text-muted);
+}
+
+.empty-state p {
+  font-size: 1rem;
+  margin-top: var(--space-md);
+}
+
+/* === Shift Schedule Colors === */
+.shift-morning { background: rgba(234, 179, 8, 0.2); color: #eab308; }
+.shift-afternoon { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }
+.shift-night { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
+.shift-off { background: rgba(107, 114, 128, 0.2); color: #6b7280; }