/* ============================================
   GLAMORBYBEE ADMIN DASHBOARD
   2025 - Backend Management System
   ============================================ */

:root {
    --primary: #d63384;
    --secondary: #6f42c1;
    --accent: #ffc107;
    --dark: #0f0f0f;
    --light: #f5f5f5;
    --text: #1a1a1a;
    --text-muted: #666;
    --border: #e5e5e5;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --radius: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #fafafa;
    color: var(--text);
    line-height: 1.6;
    font-size: 15px;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', 'Trebuchet MS', sans-serif;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
}

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

.text-danger {
    color: var(--error);
}

.small {
    font-size: 0.875rem;
}

/* ============================================
   HEADER
   ============================================ */

.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--border);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.brand i {
    font-size: 1.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-btn {
    position: relative;
    background: transparent;
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.25rem;
    color: var(--text);
}

.icon-btn:hover {
    background: var(--light);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.icon-btn .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--error);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: #fff;
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(214, 51, 132, 0.15);
}

/* ============================================
   ADMIN CONTAINER
   ============================================ */

.admin-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* ============================================
   SIDEBAR
   ============================================ */

.admin-sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: #fff;
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 1.5rem 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item i {
    font-size: 1.25rem;
    width: 24px;
}

.nav-item:hover {
    background: var(--light);
    color: var(--primary);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(214, 51, 132, 0.1) 0%, transparent 100%);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.nav-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 1.5rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.admin-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    max-width: 100%;
}

section {
    margin-bottom: 3rem;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats-section h1 {
    margin-bottom: 0.25rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.stat-icon.appointments {
    background: linear-gradient(135deg, #d63384 0%, #c12874 100%);
    color: #fff;
}

.stat-icon.revenue {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}

.stat-icon.clients {
    background: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
    color: #fff;
}

.stat-icon.pending {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
}

.stat-details h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.stat-details p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
}

.stat-trend.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-trend.neutral {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* ============================================
   QUICK ACTIONS
   ============================================ */

.actions-section h2 {
    margin-bottom: 1.5rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.action-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
}

.action-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(214, 51, 132, 0.12);
}

.action-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(214, 51, 132, 0.1) 0%, rgba(111, 66, 193, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 2rem;
    color: var(--primary);
    transition: var(--transition);
}

.action-card:hover .action-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    transform: scale(1.1);
}

.action-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.action-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   APPOINTMENTS TABLE
   ============================================ */

.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: var(--transition);
}

.sortable:hover {
    background: rgba(214, 51, 132, 0.05);
}

.sortable .sort-icon {
    font-size: 0.75rem;
    margin-left: 0.5rem;
    opacity: 0.4;
    transition: var(--transition);
}

.sortable:hover .sort-icon {
    opacity: 0.8;
}

.sortable.active {
    color: var(--primary);
}

.sortable.active .sort-icon {
    opacity: 1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    margin: 0;
}

.appointments-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 280px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(214, 51, 132, 0.1);
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(214, 51, 132, 0.1);
}

.filter-select:hover {
    border-color: var(--primary);
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-link:hover {
    gap: 0.75rem;
}

.appointments-table {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--light);
}

thead th {
    text-align: left;
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

tbody tr:hover {
    background: rgba(214, 51, 132, 0.02);
}

tbody td {
    padding: 1.25rem;
    font-size: 0.95rem;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.client-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.client-name {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.15rem;
}

.client-email {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.service-badge {
    display: inline-block;
    padding: 0.4rem 0.875rem;
    background: linear-gradient(135deg, rgba(214, 51, 132, 0.1) 0%, rgba(111, 66, 193, 0.1) 100%);
    color: var(--primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.875rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
}

.location-badge.studio {
    background: rgba(111, 66, 193, 0.1);
    color: var(--secondary);
}

.location-badge.home {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge {
    display: inline-block;
    padding: 0.4rem 0.875rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-badge.confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-badge.cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.icon-btn-sm {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 1rem;
}

.icon-btn-sm:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .admin-sidebar {
        width: 220px;
    }
    
    .admin-content {
        margin-left: 220px;
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition);
        z-index: 99;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
    }
    
    .brand span {
        display: none;
    }
    
    .admin-content {
        padding: 1.5rem 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .appointments-table {
        overflow-x: auto;
    }
    
    table {
        min-width: 800px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}