/* Shared admin dashboard styling */
:root {
    --admin-border-radius: 12px;
    --admin-card-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.admin-page {
    background: var(--primary-bg);
}

.admin-section {
    width: 100%;
    background: var(--card-bg);
    border-radius: var(--admin-border-radius);
    box-shadow: var(--admin-card-shadow);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.admin-section h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.admin-stat-card {
    background: var(--secondary-bg);
    border-radius: var(--admin-border-radius);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.admin-stat-card .stat-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-secondary);
}

.admin-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-search {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.admin-search .form-control-sm {
    width: 260px;
}

.admin-search .btn.btn-sm {
    border: none;
}

[data-theme="dark"] .admin-search .btn.btn-sm {
    border: none;
    background: linear-gradient(135deg, var(--btn-primary), #094766) !important;
}

.admin-table-wrapper {
    border-radius: var(--admin-border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--admin-card-shadow);
}

.admin-table-wrapper .table {
    margin-bottom: 0;
}

.admin-table-wrapper .table th {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.45px;
}

[data-theme="dark"] .admin-table-wrapper .table th {
    background: rgba(255, 255, 255, 0.05);
    color: #b5c5da;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sortable-header {
    cursor: pointer;
}

.sortable-header i {
    transition: transform 0.2s ease;
}

.sortable-header:hover i {
    transform: translateY(-2px);
}

.admin-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .admin-stat-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
    .admin-search .form-control-sm {
        width: 100%;
    }
}


.admin-subnav {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.admin-subnav .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border-radius: 999px;
    padding: 0.6rem 1.3rem;
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.25s ease;
}

.admin-subnav .nav-link:not(.active):hover {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.15), rgba(0, 123, 255, 0.25));
    color: var(--primary-color);
    border-color: rgba(0, 123, 255, 0.35);
    box-shadow: 0 8px 14px rgba(0, 123, 255, 0.18);
}

.admin-subnav .nav-link.active {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 14px 22px rgba(0, 123, 255, 0.28);
    transform: translateY(-1px);
}
.admin-subnav .nav-link.active:hover {
    border-color: rgba(14, 99, 156, 0.6);
}

[data-theme="dark"] .admin-subnav .nav-link {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .admin-subnav .nav-link:hover {
    background: linear-gradient(135deg, rgba(14, 99, 156, 0.4), rgba(14, 99, 156, 0.55));
    border-color: rgba(14, 99, 156, 0.6);
    color: #fff;
}

[data-theme="dark"] .admin-subnav .nav-link.active {
    background: linear-gradient(135deg, var(--btn-primary), #094766);
    box-shadow: 0 12px 20px rgba(14, 99, 156, 0.35);
}

.admin-avatar, .admin-avatar-sm, .admin-avatar-xs {
    border-radius: 50%;
    object-fit: cover;
}
.admin-avatar { width: 36px; height: 36px; }
.admin-avatar-sm { width: 32px; height: 32px; }
.admin-avatar-xs { width: 28px; height: 28px; }

.admin-meta-cell {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.admin-meta-cell .meta-primary {
    color: var(--text-primary);
    font-weight: 600;
}

.admin-problem-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.admin-problem-link .problem-title {
    font-weight: 600;
    color: var(--text-primary);
}
.admin-problem-link .problem-slug {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

[data-theme="dark"] .admin-meta-cell {
    color: #a8b2c1;
}
[data-theme="dark"] .admin-meta-cell .meta-primary {
    color: #ffffff;
}
[data-theme="dark"] .admin-problem-link .problem-slug {
    color: #9aa8c0;
}

.admin-problem-link:hover .problem-title {
    text-decoration: underline;
    color: var(--primary-color);
}