/* ============================================================================
   Sistema de Gestión Integral - Perfumados
   Estilos CSS - Dark Mode Theme
   ============================================================================ */

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #181818;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    --accent-gold: #d4a017;
    --accent-red: #c62a2a;
    --accent-green: #27ae60;
    --border-color: #2a2a2a;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --transition: 0.3s ease;
}

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

html, body {
    height: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
}

body {
    font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================================================
   LAYOUT PRINCIPAL
   ============================================================================ */

.container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

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

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
}

.nav-item {
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--accent-gold);
}

.nav-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-gold);
    border-left-color: var(--accent-gold);
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 12px 0;
}

/* ── Menú desplegable por marca ─────────────────────── */
.nav-grupo {
    margin: 2px 0;
}

.nav-grupo-btn {
    width: 100%;
    background: none;
    border: none;
    border-left: 3px solid transparent;
    padding: 10px 20px 10px 24px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s;
    text-align: left;
    font-family: inherit;
}

.nav-grupo-btn:hover,
.nav-grupo-btn.abierto {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-flecha {
    font-size: 16px;
    transition: transform 0.2s;
}

.nav-grupo-btn.abierto .nav-flecha {
    transform: rotate(180deg);
}

.nav-grupo-items {
    display: none;
    overflow: hidden;
}

.nav-grupo-items.visible {
    display: block;
}

.nav-sub-item {
    display: flex;
    align-items: center;
    padding: 9px 16px 9px 36px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-sub-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-sub-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-gold);
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h2 {
    font-size: 28px;
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

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

.page-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* ============================================================================
   ALERTAS
   ============================================================================ */

.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease;
}

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

.alert-success {
    background: #1d3f1f;
    color: #27ae60;
    border: 1px solid #2d5f2f;
}

.alert-danger {
    background: #3d1f1f;
    color: #ff6b6b;
    border: 1px solid #6b3333;
}

.alert-warning {
    background: #3d3a1f;
    color: #f39c12;
    border: 1px solid #6b6533;
}

.alert-info {
    background: #1f3a3d;
    color: #3498db;
    border: 1px solid #336b6f;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================================
   FORMULARIOS
   ============================================================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Sora', sans-serif;
    font-size: 14px;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ============================================================================
   BOTONES
   ============================================================================ */

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Sora', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #b8860b 100%);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 160, 23, 0.3);
}

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

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}

.btn-danger:hover {
    background: #a01f1f;
}

.btn-logout {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    font-size: 14px;
    font-weight: 600;
}

.btn-logout:hover {
    background: var(--accent-red);
    color: #fff;
}

/* ============================================================================
   TARJETAS Y CONTENEDORES
   ============================================================================ */

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================================================
   TABLAS
   ============================================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr {
    transition: background var(--transition);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* ============================================================================
   DASHBOARD
   ============================================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    font-family: 'Space Mono', monospace;
    margin-bottom: 5px;
}

.stat-change {
    font-size: 12px;
    color: var(--accent-green);
}

/* ============================================================================
   RESPONSIVO
   ============================================================================ */

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        transform: translateX(-70px);
        transition: transform var(--transition);
        z-index: 2000;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .header {
        padding: 15px 20px;
    }

    .page-content {
        padding: 20px;
    }

    .logo, .user-info, .nav-item span {
        display: none;
    }

    .sidebar.active .logo,
    .sidebar.active .user-info,
    .sidebar.active .nav-item span {
        display: block;
    }

    .nav-item {
        justify-content: center;
        padding: 12px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .table {
        font-size: 12px;
    }

    .table th, .table td {
        padding: 8px;
    }
}

/* ============================================================================
   UTILIDADES
   ============================================================================ */

.moneda {
    font-family: 'Space Mono', monospace;
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #1d3f1f;
    color: #27ae60;
}

.badge-danger {
    background: #3d1f1f;
    color: #ff6b6b;
}

.badge-warning {
    background: #3d3a1f;
    color: #f39c12;
}

.badge-info {
    background: #1f3a3d;
    color: #3498db;
}

.text-center {
    text-align: center;
}

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

.text-muted {
    color: var(--text-secondary);
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

.gap-20 {
    gap: 20px;
}

.flex {
    display: flex;
    align-items: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================================
   SCROLL
   ============================================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}