/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00d4ff;
    --secondary: #00ff88;
    --warning: #ffaa00;
    --purple: #aa00ff;
    --bg-dark: #1a1a2e;
    --bg-darker: #16213e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #666666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

/* ==================== NAVBAR ==================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.brand-text {
    font-size: 20px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 5px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.nav-actions {
    display: flex;
    gap: 10px;
}

/* ==================== CONTAINER ==================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ==================== HEADER ==================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
}

.page-header h1 span {
    color: var(--primary);
}

.fecha {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

.btn-primary:hover {
    background: #33ddff;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.2);
}

.refresh-btn {
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.refresh-btn:hover {
    background: rgba(0, 212, 255, 0.3);
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .subvalue {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-card.green .value { color: var(--secondary); }
.stat-card.orange .value { color: var(--warning); }
.stat-card.purple .value { color: var(--purple); }

/* ==================== PANELS ==================== */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.panel h2 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel h2 .icon {
    font-size: 24px;
}

/* ==================== RANKING ==================== */
.ranking-list {
    list-style: none;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ranking-item:last-child {
    border-bottom: none;
}

.ranking-position {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin-right: 12px;
}

.ranking-position.gold { background: linear-gradient(135deg, #ffd700, #ffaa00); color: #000; }
.ranking-position.silver { background: linear-gradient(135deg, #c0c0c0, #888); color: #000; }
.ranking-position.bronze { background: linear-gradient(135deg, #cd7f32, #8b4513); color: #fff; }
.ranking-position.default { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

.ranking-info {
    flex: 1;
}

.ranking-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.ranking-stats {
    font-size: 12px;
    color: var(--text-secondary);
}

.ranking-value {
    text-align: right;
}

.ranking-tubos {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.ranking-comision {
    font-size: 12px;
    color: var(--secondary);
}

/* ==================== VENTAS RECIENTES ==================== */
.ventas-list {
    max-height: 400px;
    overflow-y: auto;
}

.venta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.venta-info .vendedor {
    font-weight: 600;
    color: var(--primary);
}

.venta-info .cliente {
    font-size: 12px;
    color: var(--text-secondary);
}

.venta-monto {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
}

/* ==================== CHARTS ==================== */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

.chart-container canvas {
    max-height: 100%;
}

/* ==================== LOADING ==================== */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== PROGRESS BAR ==================== */
.meta-progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 8px;
}

.meta-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.5s;
}

/* ==================== KPI CARDS ==================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.kpi-card .kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.kpi-card .kpi-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.kpi-card .kpi-trend {
    font-size: 12px;
    margin-top: 8px;
}

.kpi-card .kpi-trend.up { color: var(--secondary); }
.kpi-card .kpi-trend.down { color: #ff4444; }
.kpi-card .kpi-trend.stable { color: var(--text-secondary); }

/* ==================== TABLES ==================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: rgba(0, 0, 0, 0.2);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ==================== CAMERA MODAL ==================== */
.camera-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.camera-modal.active {
    display: flex;
}

.camera-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.camera-container video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 12px;
}

.camera-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.camera-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s;
}

.camera-btn:hover {
    transform: scale(1.1);
}

.camera-btn.capture {
    background: var(--primary);
    color: #000;
}

.camera-btn.close {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* ==================== MOBILE RESPONSIVE ==================== */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 12px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card .value {
        font-size: 24px;
    }

    .page-header h1 {
        font-size: 22px;
    }

    .panel {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 10px;
    }
}

/* ==================== PWA INSTALL PROMPT ==================== */
.install-prompt {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-darker);
    border: 1px solid var(--primary);
    border-radius: 12px;
    padding: 16px 24px;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.install-prompt.show {
    display: flex;
    align-items: center;
    gap: 15px;
}

.install-prompt p {
    margin: 0;
    font-size: 14px;
}

.install-prompt .btn {
    white-space: nowrap;
}