style.css

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

:root {
    --primary-color: #4285F4;
    --secondary-color: #3367D6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #64748b;
        
        --border-color: #334155;
    }
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.paper-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
}

.paper-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.2;
}

.paper-authors {
    color: var(--text-secondary);
}

.paper-authors p {
    margin: 5px 0;
    font-size: 1.1rem;
}

.affiliation {
    font-style: italic;
    margin-top: 10px;
}

.paper-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.paper-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none !important;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.paper-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none !important;
}

.paper-link:focus,
.paper-link:visited,
.paper-link:active {
    text-decoration: none !important;
}


.diagram-section {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.diagram-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.diagram-caption {
    text-align: justify;
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 20px;
}

.chart-section {
    margin-bottom: 40px;
    padding: 20px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

.ranking-chart {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.leaderboard-section {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    padding: 25px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.search-container {
    display: flex;
    align-items: center;
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-container i {
    position: absolute;
    left: 15px;
    color: var(--text-muted);
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.filter-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-container label {
    font-weight: 500;
    color: var(--text-secondary);
}

.sort-select {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.sort-btn {
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.sort-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.table-container {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

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

.leaderboard-table thead {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 15px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-table th {
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}

.sortable {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
    position: relative;
}

.sortable:hover {
    background-color: var(--border-color);
}

.sort-icon {
    margin-left: 8px;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

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

.sortable.active .sort-icon {
    opacity: 1;
    color: var(--primary-color);
}

.rank-col {
    width: 80px;
    text-align: center;
}

.model-col {
    width: 250px;
    min-width: 200px;
}

.score-col {
    width: 120px;
}

.metric-col {
    width: 110px;
    text-align: center;
}

.leaderboard-table tbody tr {
    transition: all 0.2s ease;
}

.leaderboard-table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgb(0 0 0 / 0.1);
}

.rank {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.rank.top-1 {
    color: #fbbf24;
}

.rank.top-3 {
    color: #f59e0b;
}

.rank.top-5 {
    color: #10b981;
}

.model-name {
    font-weight: 600;
    color: var(--text-primary);
}

.score {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    color: white;
    text-align: center;
}

.score.excellent {
    background: linear-gradient(135deg, #10b981, #059669);
}

.score.good {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.score.average {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.score.poor {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.metric {
    position: relative;
}

.metric-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: var(--border-radius);
    opacity: 0.1;
    transition: opacity 0.3s ease;
}

.metric-bar.excellent {
    background-color: var(--success-color);
}

.metric-bar.good {
    background-color: var(--primary-color);
}

.metric-bar.average {
    background-color: var(--warning-color);
}

.metric-bar.poor {
    background-color: var(--error-color);
}

.leaderboard-table tbody tr:hover .metric-bar {
    opacity: 0.2;
}

.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    display: none;
}

.loading.active {
    display: block;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
    color: var(--primary-color);
}

.citation-section {
    margin-bottom: 40px;
    padding: 20px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.citation-box {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 20px;
}

.citation-text {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    white-space: pre-wrap;
    overflow-x: auto;
}

.copy-citation-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.copy-citation-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}

.copy-citation-btn:active {
    transform: translateY(0);
}

.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-muted);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    margin-top: 40px;
}

.footer p {
    margin-bottom: 5px;
}

@media (max-width: 1200px) {
    .table-container {
        overflow-x: auto;
    }
    
    .leaderboard-table {
        min-width: 1000px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-container {
        min-width: auto;
    }
    
    .filter-container {
        justify-content: space-between;
    }
    
    .leaderboard-table th,
    .leaderboard-table td {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
    
    .model-col {
        width: 180px;
        min-width: 160px;
    }
    
    .metric-col {
        width: 90px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .leaderboard-table {
        min-width: 800px;
    }
    
    .leaderboard-table th,
    .leaderboard-table td {
        padding: 8px 6px;
    }
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
    opacity: 0.5;
}

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

.leaderboard-table tbody tr {
    animation: fadeIn 0.3s ease forwards;
}

.tooltip {
    position: relative;
    cursor: help;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}