/* ========================================
   PFM-DenseBench Leaderboard Page Styles
   ======================================== */

/* === Page Layout === */
.leaderboard-page {
    background-color: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === Header === */
.lb-header {
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.lb-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.lb-logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-gray-900);
    font-weight: 700;
    font-size: 1.25rem;
}

.lb-logo-icon {
    font-size: 1.75rem;
}

.lb-logo-text {
    letter-spacing: -0.02em;
}

.lb-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.lb-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.lb-nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* === Tabs === */
.lb-tabs-wrapper {
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 65px;
    z-index: 99;
}

.lb-tabs {
    display: flex;
    gap: 0;
    padding: 0;
}

.lb-tab {
    padding: 1rem 1.5rem;
    border: none;
    background: none;
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.lb-tab:hover {
    color: var(--color-gray-900);
}

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

.lb-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

/* === Main Content === */
.lb-main {
    flex: 1;
    padding: 2rem 0;
}

.lb-content {
    animation: fadeIn 0.3s ease-out;
}

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

/* === Section Titles === */
.lb-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lb-section-icon {
    font-size: 1.25rem;
}

/* === Leaderboard Header === */
.lb-leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--color-gray-200);
}

.lb-leaderboard-info {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.lb-leaderboard-info strong {
    color: var(--color-primary);
}

.lb-view-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lb-view-toggle span {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.lb-view-btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-gray-200);
    background: white;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lb-view-btn:hover {
    border-color: var(--color-gray-300);
}

.lb-view-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.lb-model-count {
    text-align: right;
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* === Charts Row === */
.lb-charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .lb-charts-row {
        grid-template-columns: 1fr;
    }
}

.lb-chart-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-gray-200);
}

.lb-chart-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 0.25rem;
}

.lb-chart-subtitle {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

.lb-chart-container {
    height: 300px;
    position: relative;
}

.lb-chart-container-tall {
    height: 420px;
    position: relative;
}

.lb-chart-container-wide {
    height: 350px;
    position: relative;
}

.lb-chart-wide {
    margin-bottom: 2rem;
}

.lb-chart-legend {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-end;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
}

.lb-chart-legend-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.lb-chart-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

/* === Search and Table Controls === */
.lb-table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.lb-search-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.5rem;
    min-width: 280px;
}

.lb-search-box svg {
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.lb-search-box input {
    border: none;
    outline: none;
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    width: 100%;
}

.lb-search-box input::placeholder {
    color: var(--color-gray-400);
}

.lb-table-info {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* === Tables === */
.lb-table-wrapper {
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.lb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.lb-table th,
.lb-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.lb-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-700);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.lb-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.lb-table th.sortable:hover {
    background: var(--color-gray-100);
}

.sort-icon {
    margin-left: 0.25rem;
    opacity: 0.4;
    font-size: 0.75rem;
}

.lb-table th.sorted .sort-icon {
    opacity: 1;
    color: var(--color-primary);
}

.lb-table tbody tr:hover {
    background: var(--color-gray-50);
}

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

.loading-cell {
    text-align: center;
    padding: 3rem !important;
    color: var(--color-gray-400);
}

/* === Rank Badges === */
.lb-rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
}

.lb-rank-1 {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.lb-rank-2 {
    background: linear-gradient(135deg, #e5e7eb, #d1d5db);
    color: #374151;
}

.lb-rank-3 {
    background: linear-gradient(135deg, #fed7aa, #fdba74);
    color: #9a3412;
}

/* === Score Cells === */
.lb-score-cell {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    background: var(--color-gray-100);
    display: inline-block;
}

.lb-score-best {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
}

/* === Overview Tab === */
.lb-overview-header {
    text-align: center;
    margin-bottom: 3rem;
}

.lb-overview-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.lb-overview-desc {
    color: var(--color-gray-500);
    font-size: 1.0625rem;
}

.lb-stats-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 1024px) {
    .lb-stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .lb-stats-cards {
        grid-template-columns: 1fr;
    }
}

.lb-stat-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.lb-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lb-stat-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.lb-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
    margin-bottom: 0.375rem;
}

.lb-stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.lb-overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .lb-overview-grid {
        grid-template-columns: 1fr;
    }
}

.lb-overview-section {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-gray-200);
}

.lb-overview-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
}

.lb-category-list,
.lb-method-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lb-category-item,
.lb-method-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.lb-category-dot,
.lb-method-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.lb-category-name {
    flex: 1;
    color: var(--color-gray-700);
}

.lb-category-count {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* === Key Findings === */
.lb-key-findings {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-gray-200);
}

.lb-key-findings h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1.25rem;
}

.lb-findings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .lb-findings-grid {
        grid-template-columns: 1fr;
    }
}

.lb-finding-card {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--color-gray-50);
    border-radius: 0.75rem;
}

.lb-finding-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.lb-finding-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 0.5rem;
}

.lb-finding-card p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    line-height: 1.5;
}

/* === Tasks Tab === */
.lb-task-filter,
.lb-method-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.lb-task-btn,
.lb-method-btn {
    padding: 0.625rem 1.25rem;
    border-radius: 2rem;
    border: 1px solid var(--color-gray-200);
    background: white;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lb-task-btn:hover,
.lb-method-btn:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
}

.lb-task-btn.active,
.lb-method-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.lb-task-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .lb-task-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .lb-task-cards {
        grid-template-columns: 1fr;
    }
}

.lb-task-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-gray-200);
    border-left: 4px solid;
}

.lb-task-card-nuclear {
    border-left-color: #6366f1;
}

.lb-task-card-gland {
    border-left-color: #f59e0b;
}

.lb-task-card-tissue {
    border-left-color: #10b981;
}

.lb-task-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 0.5rem;
}

.lb-task-card-count {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

.lb-task-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.lb-task-stat {
    text-align: center;
    padding: 0.75rem;
    background: var(--color-gray-50);
    border-radius: 0.5rem;
}

.lb-task-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.lb-task-stat-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.lb-dataset-table-section {
    margin-top: 2rem;
}

.lb-dataset-table-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
}

/* === Performance Tab === */
.lb-method-overview {
    margin-bottom: 2rem;
}

.lb-method-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 1200px) {
    .lb-method-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .lb-method-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.lb-method-card {
    background: white;
    border-radius: 1rem;
    padding: 1.25rem;
    text-align: center;
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.lb-method-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lb-method-card.best {
    border-color: var(--color-success);
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.lb-method-card-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    margin: 0 auto 0.75rem;
}

.lb-method-card-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 0.375rem;
}

.lb-method-card-score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.lb-method-card-badge {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.125rem 0.5rem;
    background: var(--color-success);
    color: white;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.lb-method-detail-section {
    margin-top: 2rem;
}

.lb-method-detail-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
}

/* === Models Tab === */
.lb-model-select-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.lb-model-select-row label {
    font-weight: 500;
    color: var(--color-gray-700);
}

.lb-model-selector {
    padding: 0.625rem 1rem;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background: white;
    min-width: 200px;
    cursor: pointer;
}

.lb-model-info-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-gray-200);
    margin-bottom: 2rem;
}

.lb-model-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.lb-model-rank-badge {
    font-size: 2.5rem;
}

.lb-model-title h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.lb-model-title p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.lb-model-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 640px) {
    .lb-model-stats {
        grid-template-columns: 1fr;
    }
}

.lb-model-stat {
    text-align: center;
    padding: 1rem;
    background: var(--color-gray-50);
    border-radius: 0.75rem;
}

.lb-model-stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0.375rem;
}

.lb-model-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.lb-model-dataset-section {
    margin-top: 2rem;
}

.lb-model-dataset-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 1rem;
}

/* === Category Badges === */
.lb-category-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.lb-category-badge-nuclear {
    background: #eef2ff;
    color: #4f46e5;
}

.lb-category-badge-gland {
    background: #fef3c7;
    color: #d97706;
}

.lb-category-badge-tissue {
    background: #d1fae5;
    color: #059669;
}

/* === Method Badges === */
.lb-method-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* === Footer === */
.lb-footer {
    background: white;
    border-top: 1px solid var(--color-gray-200);
    padding: 1.5rem 0;
    margin-top: auto;
}

.lb-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.lb-footer-content p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.lb-footer-links {
    display: flex;
    gap: 1.5rem;
}

.lb-footer-links a {
    color: var(--color-gray-500);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.lb-footer-links a:hover {
    color: var(--color-gray-900);
}

/* === Responsive Utilities === */
@media (max-width: 768px) {
    .lb-header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .lb-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .lb-tab {
        white-space: nowrap;
        padding: 1rem 1.25rem;
    }
    
    .lb-leaderboard-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .lb-search-box {
        width: 100%;
        min-width: auto;
    }
    
    .lb-footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* === Table Overflow for Mobile === */
.lb-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* === Scrollable Table with Sticky Columns === */
.lb-table-scrollable {
    max-width: 100%;
    overflow-x: auto;
    position: relative;
}

.lb-table-fixed {
    min-width: max-content;
}

.lb-table .sticky-col {
    position: sticky;
    left: 0;
    background: var(--color-gray-50);
    z-index: 2;
    min-width: 60px;
}

.lb-table .sticky-col-2 {
    left: 60px;
    min-width: 120px;
}

.lb-table tbody .sticky-col {
    background: white;
}

.lb-table tbody tr:hover .sticky-col {
    background: var(--color-gray-50);
}

.lb-table .sticky-col-2::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to right, rgba(0,0,0,0.08), transparent);
}

/* Dataset column styling */
.lb-table th[data-dataset],
.lb-table td[data-dataset] {
    min-width: 70px;
    text-align: center;
    font-size: 0.8125rem;
}

.lb-table th[data-dataset] {
    white-space: nowrap;
    font-size: 0.75rem;
    padding: 0.625rem 0.5rem;
    border-bottom: 3px solid transparent;
}

.lb-table th[data-dataset].cat-nuclear {
    border-bottom-color: #6366f1;
}

.lb-table th[data-dataset].cat-gland {
    border-bottom-color: #f59e0b;
}

.lb-table th[data-dataset].cat-tissue {
    border-bottom-color: #10b981;
}

/* Rank cell styling */
.lb-rank-cell {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.25rem;
    font-weight: 600;
    font-size: 0.8125rem;
}

.lb-rank-cell-1 {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.lb-rank-cell-2 {
    background: linear-gradient(135deg, #e5e7eb, #d1d5db);
    color: #374151;
}

.lb-rank-cell-3 {
    background: linear-gradient(135deg, #fed7aa, #fdba74);
    color: #9a3412;
}

.lb-rank-cell-top5 {
    background: #dbeafe;
    color: #1e40af;
}

.lb-rank-cell-bottom {
    background: #fee2e2;
    color: #991b1b;
}

/* Sortable column headers */
.lb-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease;
}

.lb-table th.sortable:hover {
    background: var(--color-gray-100);
}

.lb-table th.sortable .sort-arrow {
    display: inline-block;
    margin-left: 0.25rem;
    opacity: 0.3;
    font-size: 0.625rem;
}

.lb-table th.sortable.sorted-asc .sort-arrow,
.lb-table th.sortable.sorted-desc .sort-arrow {
    opacity: 1;
    color: var(--color-primary);
}

.lb-table th.sortable.sorted-desc .sort-arrow {
    transform: rotate(180deg);
}

/* === Animation Utilities === */
.fade-enter {
    opacity: 0;
    transform: translateY(10px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

/* ========================================
   Performance Tab Styles
   ======================================== */

/* Performance Header */
.perf-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--color-gray-200);
}

.perf-header .lb-section-title {
    margin-bottom: 0;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .perf-header {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Performance Filters */
.perf-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 1200px) {
    .perf-filters {
        width: 100%;
        justify-content: flex-start;
    }
}

.perf-filter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.perf-filter-item label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
    white-space: nowrap;
}

.perf-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-gray-700);
    background: white;
    cursor: pointer;
    min-width: 140px;
}

.perf-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Dataset Cards Container */
.perf-datasets-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 100%;
    overflow-x: hidden;
}

/* Dataset Card */
.perf-dataset-card {
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    max-width: 100%;
}

.perf-dataset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.perf-dataset-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.perf-dataset-title h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
}



/* Metric Cards Grid - auto-fit for responsive layout */
.perf-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.perf-metrics-grid.single-metric {
    grid-template-columns: 1fr;
}

.perf-metrics-grid.single-metric .perf-metric-card {
    max-width: 100%;
    max-height: 1700px;
    min-width: auto;
}

@media (max-width: 540px) {
    .perf-metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .perf-metric-card {
        min-width: auto;
    }
}

/* Metric Card */
.perf-metric-card {
    background: var(--color-gray-50);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-gray-100);
    max-height: 600px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.perf-metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.perf-metric-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.perf-metric-best {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.perf-metric-best strong {
    color: var(--color-primary);
}

/* Table Wrapper */
.perf-table-wrapper {
    flex: 1;
    overflow: auto;
    min-height: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-300) transparent;
    background: white;
    border-radius: 0.5rem;
}

.perf-table-wrapper::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.perf-table-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.perf-table-wrapper::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 3px;
}

/* Performance Table */
.perf-table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    font-size: 0.8125rem;
    table-layout: auto;
}

.perf-table th,
.perf-table td {
    padding: 0.5rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
    white-space: nowrap;
}

.perf-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    position: sticky;
    top: 0;
    z-index: 1;
}

.perf-table tbody tr:hover {
    background: var(--color-gray-50);
}

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

/* Table Cells */
.perf-rank-cell {
    font-weight: 600;
    text-align: center !important;
    min-width: 36px;
}

.perf-model-cell {
    font-weight: 600;
    color: var(--color-gray-800);
    min-width: 80px;
}

.perf-method-cell {
    text-align: center !important;
    min-width: 60px;
}

.perf-method-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.625rem;
    font-weight: 600;
    white-space: nowrap;
}

.perf-score-cell {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-weight: 600;
    color: var(--color-gray-700);
    min-width: 70px;
}

.perf-score-top {
    color: var(--color-primary);
}

.perf-ci-cell {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.6875rem;
    color: var(--color-gray-500);
    min-width: 100px;
}

/* No data state */
.perf-no-data {
    text-align: center;
    padding: 2rem;
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

/* ========================================
   Models & Datasets Tab Styles
   ======================================== */

.md-section {
    margin-bottom: 3rem;
}

.md-section-desc {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.md-section-desc::before {
    content: '👆';
    font-size: 1rem;
}

/* Card-style table */
.md-clickable-table {
    border-collapse: separate;
    border-spacing: 0 0.75rem;
}

.md-clickable-table thead th {
    background: transparent;
    font-weight: 500;
    color: var(--color-gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem;
    border: none;
}

/* Card row styling */
.md-clickable-table tbody tr[data-url] {
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-radius: 0.75rem;
}

.md-clickable-table tbody tr[data-url] td {
    border: none;
    padding: 1.25rem 1rem;
    vertical-align: middle;
}

.md-clickable-table tbody tr[data-url] td:first-child {
    border-radius: 0.75rem 0 0 0.75rem;
}

.md-clickable-table tbody tr[data-url] td:last-child {
    border-radius: 0 0.75rem 0.75rem 0;
}

.md-clickable-table tbody tr[data-url]:hover {
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

/* Category row styling */
.md-category-row {
    background: transparent !important;
    box-shadow: none !important;
}

.md-category-row td {
    font-weight: 600;
    color: var(--color-gray-400) !important;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 1.5rem 1rem 0.5rem !important;
    border: none !important;
}

.md-category-row:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* ===== PFM Table Specific ===== */
#pfm-table {
    min-width: 1200px;
}

#pfm-table td,
#pfm-table th {
    font-size: 0.875rem;
    text-align: center;
    white-space: nowrap;
}

/* Model name */
#pfm-table td:first-child {
    text-align: left;
    min-width: 140px;
}

#pfm-table td:first-child strong {
    color: var(--color-gray-900);
    font-weight: 700;
    font-size: 0.9375rem;
}

/* Architecture badge (green) */
.md-badge-arch {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #ecfdf5;
    color: #059669;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
}

/* Pretraining badge (blue) */
.md-badge-pretrain {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #eff6ff;
    color: #2563eb;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Params */
#pfm-table td:nth-child(5) {
    font-weight: 700;
    color: var(--color-gray-800);
    font-size: 0.9375rem;
}

/* Slides & Patches */
#pfm-table td:nth-child(3),
#pfm-table td:nth-child(4) {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* Data source */
#pfm-table td:nth-child(8) {
    color: var(--color-gray-600);
    font-size: 0.8125rem;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Stain badges */
.md-badge-stain {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    margin: 0.125rem;
}

.md-badge-stain-he {
    background: #fef3c7;
    color: #d97706;
}

.md-badge-stain-ihc {
    background: #dbeafe;
    color: #2563eb;
}

/* Released date */
#pfm-table td:nth-child(10) {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
}

/* Publication badge */
.md-badge-pub {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid;
}

.md-badge-pub-nature {
    background: #ecfdf5;
    color: #059669;
    border-color: #a7f3d0;
}

.md-badge-pub-preprint {
    background: #fef3c7;
    color: #d97706;
    border-color: #fde68a;
}

.md-badge-pub-other {
    background: #f3f4f6;
    color: #4b5563;
    border-color: #e5e7eb;
}

/* ===== Dataset Table Specific ===== */
#dataset-table td,
#dataset-table th {
    font-size: 0.875rem;
    text-align: center;
}

#dataset-table td:first-child {
    text-align: left;
    min-width: 160px;
}

#dataset-table td:first-child strong {
    color: var(--color-gray-900);
    font-weight: 700;
    font-size: 0.9375rem;
}

/* Magnification badge */
.md-badge-mag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #f0fdf4;
    color: #16a34a;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
}

/* Region */
#dataset-table td:nth-child(3) {
    color: var(--color-gray-600);
}

/* Resize */
#dataset-table td:nth-child(4) {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ========================================
   Loading & Error States
   ======================================== */

.lb-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--color-gray-500);
}

.lb-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: lb-spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

.lb-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
    text-align: center;
}