/* ==================== ADMIN PANEL STYLES ==================== */

:root {
    /* Admin Colors - Dark Professional Theme */
    --admin-primary: #7c3aed;
    --admin-primary-dark: #5b21b6;
    --admin-primary-light: #a78bfa;
    --admin-secondary: #06b6d4;
    --admin-accent: #f59e0b;
    --admin-success: #22c55e;
    --admin-warning: #f59e0b;
    --admin-error: #ef4444;
    --admin-info: #3b82f6;

    /* Backgrounds */
    --admin-bg: #0f172a;
    --admin-surface: #1e293b;
    --admin-surface-hover: #334155;
    --admin-sidebar: #0f172a;
    --admin-card: #1e293b;
    --admin-bg-secondary: #334155;

    /* Text */
    --admin-text: #f1f5f9;
    --admin-text-secondary: #cbd5e1;
    --admin-text-muted: #94a3b8;

    /* Borders */
    --admin-border: #334155;
    --admin-border-light: #475569;

    /* Layout */
    --admin-sidebar-width: 260px;
    --admin-header-height: 64px;
    --admin-border-radius: 8px;
}

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

.admin-container {
    display: flex;
    min-height: 100vh;
    background: var(--admin-bg);
}

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
}

.admin-logo {
    padding: var(--spacing-lg, 24px);
    border-bottom: 1px solid var(--admin-border);
}

.admin-logo-home {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 16px);
    text-decoration: none;
    transition: opacity 0.2s;
}

.admin-logo-home:hover {
    opacity: 0.8;
}

.admin-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: white;
}

.admin-logo-text {
    display: flex;
    flex-direction: column;
}

.admin-logo-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-logo-subtitle {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation */
.admin-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md, 16px);
    display: flex;
    flex-direction: column;
}

.admin-nav-section {
    margin-bottom: var(--spacing-lg, 24px);
}

.admin-nav-section-bottom {
    margin-top: auto;
    padding-top: var(--spacing-lg, 24px);
    border-top: 1px solid var(--admin-border);
}

.admin-nav-section-title {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--admin-text-muted);
    font-weight: 700;
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    margin-bottom: var(--spacing-xs, 4px);
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 16px);
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    border-radius: var(--admin-border-radius);
    color: var(--admin-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
    margin-bottom: var(--spacing-xs, 4px);
}

.admin-nav-item:hover {
    background: var(--admin-surface-hover);
    color: var(--admin-text);
}

.admin-nav-item.active {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(167, 139, 250, 0.1));
    color: var(--admin-primary-light);
    border-left: 3px solid var(--admin-primary);
}

.admin-nav-icon {
    width: 20px;
    height: 20px;
}

/* Main Content */
.admin-main {
    margin-left: var(--admin-sidebar-width);
    width: calc(100% - var(--admin-sidebar-width));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--admin-bg);
}

/* Header */
.admin-header {
    height: var(--admin-header-height);
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    padding: 0 var(--spacing-xl, 32px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 16px);
}

/* Content */
.admin-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl, 32px);
}

/* ==================== COMPONENTS ==================== */

/* Cards */
.admin-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: var(--spacing-lg, 24px);
    margin-bottom: var(--spacing-lg, 24px);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg, 24px);
}

.admin-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-card-body {
    color: var(--admin-text-secondary);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg, 24px);
    margin-bottom: var(--spacing-xl, 32px);
}

.stat-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: var(--spacing-lg, 24px);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg, 24px);
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--admin-primary);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-icon.primary {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(167, 139, 250, 0.1));
    color: var(--admin-primary-light);
}

.stat-icon.success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
    color: var(--admin-success);
}

.stat-icon.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    color: var(--admin-warning);
}

.stat-icon.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--admin-info);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--admin-text-muted);
    margin-bottom: var(--spacing-xs, 4px);
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--admin-text);
    line-height: 1;
}

.stat-change {
    font-size: 0.75rem;
    margin-top: var(--spacing-xs, 4px);
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive {
    color: var(--admin-success);
}

.stat-change.negative {
    color: var(--admin-error);
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--admin-card);
    border-radius: 12px;
    overflow: hidden;
}

.admin-table thead {
    background: var(--admin-surface);
}

.admin-table th {
    padding: var(--spacing-md, 16px);
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--admin-text-muted);
    font-weight: 700;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
    padding: var(--spacing-md, 16px);
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-secondary);
}

.admin-table tbody tr:hover {
    background: var(--admin-surface-hover);
}

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

/* Buttons */
.admin-btn {
    padding: 8px 24px;
    border-radius: var(--admin-border-radius);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.admin-btn-primary {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.admin-btn-primary:hover {
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
    transform: translateY(-1px);
}

.admin-btn-secondary {
    background: var(--admin-surface);
    color: var(--admin-text-secondary);
    border: 1px solid var(--admin-border);
}

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

/* Badges */
.admin-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: inline-block;
}

.admin-badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--admin-success);
    border: 1px solid var(--admin-success);
}

.admin-badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--admin-warning);
    border: 1px solid var(--admin-warning);
}

.admin-badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--admin-error);
    border: 1px solid var(--admin-error);
}

.admin-badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--admin-info);
    border: 1px solid var(--admin-info);
}

/* Loading */
.admin-loading {
    text-align: center;
    padding: 48px;
    color: var(--admin-text-muted);
}

.admin-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--admin-border);
    border-top-color: var(--admin-primary);
    border-radius: 50%;
    animation: admin-spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

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

.admin-mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    z-index: 100;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.admin-menu-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--admin-text);
    cursor: pointer;
    border-radius: 8px;
}

.admin-menu-btn:hover {
    background: var(--admin-surface-hover);
}

.admin-menu-btn svg {
    width: 24px;
    height: 24px;
}

.admin-mobile-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--admin-text);
    font-size: 14px;
}

.admin-mobile-logo {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-light));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 10px;
    color: white;
}

/* Overlay */
.admin-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
}

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

@media (max-width: 768px) {
    .admin-mobile-header {
        display: flex;
    }

    .admin-overlay {
        display: block;
    }

    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 200;
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
        width: 100%;
        padding-top: 56px;
    }

    .admin-content {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
    }

    .stat-icon svg {
        width: 24px;
        height: 24px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .admin-card {
        padding: 16px;
        margin-bottom: 16px;
    }

    .admin-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .admin-table {
        display: block;
        overflow-x: auto;
    }

    .admin-table th,
    .admin-table td {
        padding: 12px 8px;
        font-size: 0.8125rem;
        white-space: nowrap;
    }
}

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

    .admin-btn {
        width: 100%;
        justify-content: center;
    }
}