/* ==========================================================================
   RED VELVET — SUITE ADMINISTRATIVA & DASHBOARD DE SUPER LUJO
   Estética: Black Obsidian & Velvet Gold (Ultra-Luxury Executive Suite)
   ========================================================================== */

:root {
    --bg-main: #070707;
    --bg-surface: #0f0f10;
    --bg-card: rgba(18, 18, 20, 0.75);
    --gold-primary: #D4AF37;
    --gold-light: #F3E5AB;
    --gold-dark: #997A15;
    --gold-glow: rgba(212, 175, 55, 0.25);
    --velvet-burgundy: #722F37;
    --velvet-deep: #4A0E17;
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-muted: #888888;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(212, 175, 55, 0.35);
    --border-gold-bright: #D4AF37;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 50% 0%, rgba(114, 47, 55, 0.15) 0%, transparent 60%);
}

/* ==========================================================================
   1. PANTALLA DE LOGIN DE SUPER LUJO
   ========================================================================== */
.admin-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    background: radial-gradient(circle at 50% 30%, rgba(114, 47, 55, 0.25) 0%, rgba(5, 5, 5, 0.98) 70%);
}

.login-glass-card {
    width: 100%;
    max-width: 480px;
    background: rgba(14, 14, 16, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 40px rgba(212, 175, 55, 0.12);
    position: relative;
    overflow: hidden;
    animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), var(--gold-light), var(--gold-primary), transparent);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.94) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.admin-logo-img {
    width: 84px;
    height: 84px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--gold-primary);
    box-shadow: 0 0 25px var(--gold-glow);
    margin: 0 auto 1.2rem;
    display: block;
}

.admin-badge {
    display: inline-block;
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.4);
    color: var(--gold-primary);
    font-size: 0.72rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.login-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    letter-spacing: 1.5px;
    color: #fff;
    margin-bottom: 0.4rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.input-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}

.input-field-group label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    font-weight: 500;
}

.input-field-group input {
    background: rgba(20, 20, 22, 0.95);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: #fff;
    padding: 0.9rem 1.2rem;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.input-field-group input:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 15px var(--gold-glow);
    background: rgba(25, 25, 28, 0.95);
}

.btn-admin-gold {
    background: linear-gradient(135deg, #D4AF37 0%, #B38F26 100%);
    color: #000;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding: 1rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
    transition: var(--transition);
    margin-top: 0.5rem;
}

.btn-admin-gold:hover {
    background: linear-gradient(135deg, #FFD700 0%, #D4AF37 100%);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.6);
    transform: translateY(-2px);
}

.login-feedback {
    display: none;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.5rem;
}

.login-feedback.error {
    display: block;
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.4);
    color: #ff6b7a;
}

.login-feedback.success {
    display: block;
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.4);
    color: #5cd87a;
}

.quick-demo-access {
    margin-top: 1.8rem;
    text-align: center;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-subtle);
}

.quick-demo-btn {
    background: transparent;
    border: 1px dashed rgba(212, 175, 55, 0.4);
    color: var(--gold-primary);
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.quick-demo-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold-primary);
}

.back-to-site {
    display: block;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.back-to-site:hover {
    color: #fff;
}

/* ==========================================================================
   2. SUITE ADMINISTRATIVA (DASHBOARD PRINCIPAL)
   ========================================================================== */
.admin-dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 280px;
    background: #09090b;
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.8rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.sidebar-logo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--gold-primary);
    object-fit: cover;
}

.sidebar-title-wrap h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: #fff;
    letter-spacing: 1px;
}

.sidebar-title-wrap span {
    font-size: 0.72rem;
    color: var(--gold-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sidebar-nav {
    padding: 1.5rem 0.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    overflow-y: auto;
}

.nav-tab-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    font-size: 0.92rem;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.nav-tab-btn-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.nav-tab-btn.active {
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.15) 0%, rgba(114, 47, 55, 0.1) 100%);
    color: var(--gold-primary);
    border-left: 3px solid var(--gold-primary);
    font-weight: 600;
}

.nav-pill-badge {
    background: var(--velvet-burgundy);
    color: #fff;
    font-size: 0.72rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 700;
}

.sidebar-footer {
    padding: 1.2rem 1.5rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.sidebar-action-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0;
    transition: var(--transition);
}

.sidebar-action-btn:hover {
    color: #fff;
}

.sidebar-action-btn.logout:hover {
    color: #ff6b7a;
}

/* Contenido Principal */
.admin-main-content {
    margin-left: 280px;
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-main);
}

/* Topbar */
.admin-topbar {
    height: 75px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.topbar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.5px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: #5cd87a;
    background: rgba(40, 167, 69, 0.1);
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #5cd87a;
    border-radius: 50%;
    box-shadow: 0 0 8px #5cd87a;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.system-clock {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
    letter-spacing: 1px;
}

.btn-topbar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: #ddd;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-topbar-link:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

/* Área de Paneles / Vistas */
.admin-views-container {
    padding: 2.5rem;
    flex: 1;
}

.admin-tab-view {
    display: none;
    animation: fadeIn 0.4s ease;
}

.admin-tab-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 3. Tarjetas de Métricas VIP */
.metrics-grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.6rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.metric-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.metric-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.metric-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.metric-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.metric-value {
    font-size: 2rem;
    font-family: var(--font-serif);
    color: #fff;
    margin-bottom: 0.4rem;
    letter-spacing: 0.5px;
}

.metric-trend {
    font-size: 0.8rem;
    color: #5cd87a;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Secciones y Tablas */
.panel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2rem;
    backdrop-filter: blur(12px);
    margin-bottom: 2rem;
}

.panel-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.8rem;
}

.panel-title {
    font-size: 1.3rem;
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.luxury-table-wrap {
    overflow-x: auto;
}

.luxury-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.luxury-table th {
    padding: 1rem 1.2rem;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 600;
}

.luxury-table td {
    padding: 1.2rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: #eee;
    vertical-align: middle;
}

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

.table-badge {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pending {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-approved {
    background: rgba(40, 167, 69, 0.15);
    color: #5cd87a;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.badge-rejected {
    background: rgba(220, 53, 69, 0.15);
    color: #ff6b7a;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.badge-elite {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-primary);
    border: 1px solid rgba(212, 175, 55, 0.4);
}

.action-btn-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-action-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.78rem;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.btn-action-sm:hover {
    background: #fff;
    color: #000;
}

.btn-action-sm.approve {
    border-color: rgba(40, 167, 69, 0.4);
    color: #5cd87a;
    background: rgba(40, 167, 69, 0.1);
}

.btn-action-sm.approve:hover {
    background: #28a745;
    color: #fff;
}

.btn-action-sm.reject {
    border-color: rgba(220, 53, 69, 0.4);
    color: #ff6b7a;
    background: rgba(220, 53, 69, 0.1);
}

.btn-action-sm.reject:hover {
    background: #dc3545;
    color: #fff;
}

.btn-action-sm.gold {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    background: rgba(212, 175, 55, 0.1);
}

.btn-action-sm.gold:hover {
    background: var(--gold-primary);
    color: #000;
}

/* Generador de Códigos Form */
.code-generator-box {
    background: rgba(10, 10, 12, 0.6);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 1.2rem;
    align-items: flex-end;
}

@media (max-width: 1024px) {
    .code-generator-box {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 650px) {
    .code-generator-box {
        grid-template-columns: 1fr;
    }
}

/* Catálogo Grid */
.models-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.model-catalog-card {
    background: rgba(20, 20, 22, 0.8);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.model-catalog-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-3px);
}

.model-card-thumb {
    height: 220px;
    width: 100%;
    object-fit: cover;
    display: block;
    position: relative;
}

.model-card-body {
    padding: 1.4rem;
}

.model-card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}

.model-card-title-row h4 {
    font-size: 1.1rem;
    color: #fff;
}

.model-card-rate {
    color: var(--gold-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.model-card-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.model-card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 0.8rem;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #333;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--gold-primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Responsive */
@media (max-width: 900px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-main-content {
        margin-left: 0;
    }
    .admin-topbar {
        padding: 0 1.2rem;
    }
    .admin-views-container {
        padding: 1.5rem;
    }
}