:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --background-color: #f5f6fa;
    --text-color: #2c3e50;
    --border-color: #dcdde1;
    --pdf-color: #e74c3c;
    --tex-color: #27ae60;
    --fcstd-color: #f39c12;
    --stl-color: #8e44ad;
}

* {
    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(--background-color);
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.sync-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.sync-status {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.status-text {
    font-weight: 500;
    color: var(--secondary-color);
}

.sync-interval {
    color: #888;
    font-size: 0.8rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.game-section {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

h3 {
    color: var(--secondary-color);
    margin: 1rem 0 0.5rem;
    font-size: 1.1rem;
}

ul {
    list-style: none;
}

li {
    margin: 0.5rem 0;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-block;
    padding: 0.3rem 0;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-color);
}

.pdf-link {
    font-weight: 500;
}

.pdf-link:first-child {
    color: var(--primary-color);
    font-weight: 600;
}

.file-category {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--background-color);
    border-radius: 4px;
}

.file-category h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-link {
    color: #666;
    text-decoration: none;
    display: inline-block;
    padding: 0.3rem 0;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.file-link:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* File type specific styles */
.pdf-link {
    color: var(--pdf-color);
}

.tex-link {
    color: var(--tex-color);
}

.fcstd-link {
    color: var(--fcstd-color);
}

.stl-link {
    color: var(--stl-color);
}

footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
    
    body {
        padding: 10px;
    }
    
    .game-section {
        padding: 1rem;
    }
}