:root {
    --main-bg: #1a1a1a;
    --card-bg: #262626;
    --accent: #FF6B6B;
    --text: #ffffff;
}

body {
    background: var(--main-bg);
    color: var(--text);
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 10px;
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.category-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #333;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 1.5em;
    margin-right: 1rem;
    color: var(--accent);
}

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

.links-list li {
    margin-bottom: 0.8rem;
    padding: 0.5rem;
    background: #333;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.links-list li:hover {
    background: #444;
}

.links-list a {
    color: var(--text);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    width: 100%;
}

/* Site header and footer */
.site-header, .site-footer {
    max-width: 1400px;
    margin: 0 auto 20px auto;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid #333;
}

.site-header h1 {
    margin-top: 0;
    color: var(--accent);
}

.site-footer {
    margin-top: 20px;
    text-align: center;
}

/* Mobile optimization */
@media (max-width: 768px) {
    body {
        padding: 8px;
    }
    
    .directory-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .category-card {
        padding: 1rem;
    }
    
    .links-list li {
        padding: 0.7rem;
    }
}

/* Ensure content is visible on small screens */
@media (max-width: 320px) {
    .category-card {
        padding: 0.8rem;
    }
    
    .card-header h3 {
        font-size: 1.2em;
    }
    
    .links-list a {
        font-size: 0.9em;
    }
}