/* ========== ADMIN SECTIONS & PERMISSIONS ========== */

/* Admin Section Styles */
.admin-section {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 600;
}

.section-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-2xl);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    width: 250px;
    background: var(--bg-primary);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

/* Permission Grid */
.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-top: var(--space-md);
}

.permission-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.permission-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.permission-item label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    margin: 0;
    cursor: pointer;
    user-select: none;
}

/* Role-based Visibility */
.super-admin-only {
    display: none;
}

.is-super-admin .super-admin-only {
    display: block;
}

.admin-badge {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--text-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

/* Category Links for Assignment Sections */
.category-link {
    color: inherit;
    text-decoration: none;
}

.category-link:hover {
    color: inherit !important;
    text-decoration: none !important;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    margin-bottom: var(--space-lg);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: var(--space-sm) 0;
    margin: 0;
    list-style: none;
    background: transparent;
    border-radius: 0;
}

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

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--space-sm);
    color: var(--text-light);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

/* Header Actions for Category Pages */
.header-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* Results Count */
.results-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--gray-100);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.results-count.primary-count {
    color: var(--text-white);
    background: var(--primary);
    font-weight: 500;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pagination-nav .pagination {
    display: flex;
    padding: 0;
    margin: 0;
    list-style: none;
    border-radius: var(--radius-lg);
    gap: var(--space-xs);
}

.pagination .page-item {
    display: flex;
}

.pagination .page-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    margin: 0;
    color: var(--text-secondary);
    text-decoration: none;
    background-color: var(--bg-primary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-width: 40px;
    height: 40px;
}

.pagination .page-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
    border-color: var(--primary);
    text-decoration: none;
}

.pagination .page-item.active .page-link {
    color: var(--text-white);
    background-color: var(--primary);
    border-color: var(--primary);
}

.pagination .page-item.disabled .page-link {
    color: var(--text-light);
    background-color: var(--gray-100);
    border-color: var(--gray-200);
    cursor: not-allowed;
    opacity: 0.5;
}

/* Loading and Error States */
.loading-state,
.error-state,
.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
}

.loading-state i,
.error-state i,
.empty-state i {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    display: block;
}

.loading-state i {
    color: var(--primary);
}

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

.empty-state i {
    color: var(--text-light);
}

/* Collapsible Sections */
.collapsible-header {
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
}

.collapsible-header:hover {
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    margin: calc(-1 * var(--space-sm));
    padding: var(--space-sm);
}

.toggle-section {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.toggle-section:hover {
    background-color: var(--gray-100);
    color: var(--text-primary);
}

.toggle-section i {
    transition: transform var(--transition-fast);
}

/* Filter Actions */
.filter-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

/* Mobile Responsiveness for Admin Sections */
@media (max-width: 768px) {
    .admin-section {
        padding: var(--space-md);
        margin-bottom: var(--space-md);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .section-header h2 {
        font-size: var(--font-size-lg);
    }
    
    .section-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: var(--space-sm);
    }
    
    .header-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .table-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .pagination-nav .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .breadcrumb {
        font-size: var(--font-size-sm);
        flex-wrap: wrap;
    }
    
    .breadcrumb-item {
        margin-bottom: var(--space-xs);
    }
    
    .filter-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .filter-actions .btn {
        width: 100%;
    }
    
    .results-count {
        text-align: center;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .admin-section {
        padding: var(--space-sm);
        border-radius: var(--radius-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-md);
        gap: var(--space-sm);
    }
    
    .section-header h2 i {
        font-size: 1rem;
    }
    
    .pagination .page-link {
        padding: var(--space-xs) var(--space-sm);
        min-width: 36px;
        height: 36px;
        font-size: var(--font-size-sm);
    }
    
    .table-actions .btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-sm);
    }
    
    .breadcrumb-item a,
    .breadcrumb-item {
        font-size: var(--font-size-xs);
    }
    
    .category-link:hover::after {
        display: none; /* Hide arrow on mobile for touch friendliness */
    }
}