/* ================================
   MarsBench - Website Styles
   ================================ */

/* CSS Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #dfe6e9;
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.12);
    --border-radius: 6px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Table of Contents Sidebar */
.toc-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100vh;
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 100;
    padding: 30px 20px;
}

.toc-content {
    position: sticky;
    top: 20px;
}

.toc-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin: 4px 0;
}

.toc-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
    position: relative;
}

.toc-link:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-left-color: var(--accent-color);
}

.toc-link.active {
    background-color: rgba(52, 152, 219, 0.08);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
    font-weight: 500;
}

.container {
    max-width: 1100px;
    margin-left: 220px;
    margin-right: 0;
    padding: 40px;
    width: calc(100vw - 220px);
    box-sizing: border-box;
}

.container > * {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px 0;
}

.title {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.authors {
    font-size: 1.1rem;
    margin: 20px 0;
}

.author {
    display: inline-block;
    margin: 0 10px;
    color: var(--text-color);
}

.equal-contrib {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 10px 0 5px 0;
    font-style: italic;
}

.affiliations {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 15px auto 30px auto;
    max-width: 900px;
    line-height: 1.6;
}

.affiliation {
    display: block;
    margin: 8px 0;
}

.affiliation sup {
    font-weight: 600;
    margin-right: 4px;
}

/* Button Styles */
.links {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.btn:hover {
    background-color: var(--bg-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

.btn i {
    font-size: 1.1em;
}

/* Conference */
.conference {
    margin-top: 25px;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 1px;
}

/* Section Styles */
.section {
    background-color: var(--card-bg);
    padding: 40px;
    margin-bottom: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
}

.section h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    text-align: center;
}

.section h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin: 25px 0 15px 0;
    text-align: center;
}

/* Abstract */
.abstract {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    text-align: center;
}

/* Acknowledgment */
.acknowledgment-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    text-align: center;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-card {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-medium);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-card h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 15px 0;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Task Sections */
.task-section {
    margin: 30px 0;
    padding: 25px;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-color);
}

.task-section h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.task-section h4 i {
    color: var(--text-muted);
}

.dataset-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dataset-tag {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: var(--transition);
}

.dataset-tag:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Code Blocks */
.code-block {
    margin: 25px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.code-header {
    background-color: var(--text-color);
    color: white;
    padding: 10px 20px;
    font-weight: 500;
    font-size: 0.9rem;
}

.code-block pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    margin: 0;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-block code {
    font-family: inherit;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.model-category {
    background-color: var(--bg-color);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.model-category h4 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.model-category ul {
    list-style: none;
}

.model-category li {
    padding: 8px 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.model-category li:last-child {
    border-bottom: none;
}

.model-category li:hover {
    color: var(--accent-color);
    padding-left: 10px;
}

.model-category li::before {
    content: "▸ ";
    color: var(--accent-color);
    font-weight: bold;
}

/* Citation Box */
.citation-box {
    background-color: #2d2d2d;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-top: 20px;
    box-shadow: var(--shadow-medium);
    text-align: center;
}

.citation-box pre {
    margin: 0;
    color: #f8f8f2;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    text-align: left;
    display: inline-block;
}

.citation-box code {
    font-family: inherit;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0 20px 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

footer i {
    color: #e74c3c;
    margin: 0 5px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 40px 20px 40px 30px;
    }
}

@media (max-width: 1024px) {
    .toc-sidebar {
        width: 200px;
        padding: 25px 15px;
    }

    .container {
        margin-left: 220px;
        padding: 40px 20px;
    }
}

@media (max-width: 768px) {
    .toc-sidebar {
        display: none;
    }

    .container {
        margin-left: auto;
    }

    .title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .section {
        padding: 25px 20px;
    }

    .section h3 {
        font-size: 1.6rem;
    }

    .features-grid,
    .models-grid {
        grid-template-columns: 1fr;
    }

    .links {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .code-block pre {
        font-size: 0.8rem;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }

    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 20px 15px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background-color: var(--accent-color);
    color: white;
}

::-moz-selection {
    background-color: var(--accent-color);
    color: white;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* Datasets Table Styles */
.table-container {
    margin-top: 20px;
}

.dataset-category {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 35px 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
}

.dataset-category:first-child {
    margin-top: 0;
}

.table-wrapper {
    overflow-x: auto;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.datasets-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    font-size: 0.9rem;
}

.datasets-table thead {
    background-color: var(--primary-color);
    color: white;
}

.datasets-table th {
    padding: 14px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    white-space: nowrap;
    border-bottom: 2px solid var(--accent-color);
}

.datasets-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.datasets-table tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

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

.datasets-table td {
    padding: 12px;
    color: var(--text-color);
}

.datasets-table td:first-child {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-color);
}

.datasets-table td:nth-child(5),
.datasets-table td:nth-child(6),
.datasets-table td:nth-child(7),
.datasets-table td:nth-child(8),
.datasets-table td:nth-child(9) {
    text-align: center;
}

.datasets-table th:nth-child(5),
.datasets-table th:nth-child(6),
.datasets-table th:nth-child(7),
.datasets-table th:nth-child(8),
.datasets-table th:nth-child(9) {
    text-align: center;
}

/* Responsive Table */
@media (max-width: 1024px) {
    .datasets-table {
        font-size: 0.85rem;
    }

    .datasets-table th,
    .datasets-table td {
        padding: 10px 8px;
    }
}

@media (max-width: 768px) {
    .dataset-category {
        font-size: 1.3rem;
    }

    .datasets-table {
        font-size: 0.8rem;
    }

    .datasets-table th,
    .datasets-table td {
        padding: 8px 6px;
    }
}