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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.opensource-note {
    text-align: center;
    color: #666;
    margin-bottom: 2rem;
}

.opensource-note a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.opensource-note a:hover {
    text-decoration: underline;
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.directory-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    text-decoration: none;
    color: #2c3e50;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.directory-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.folder-icon {
    font-size: 3rem;
}

.directory-name {
    font-size: 1.2rem;
    font-weight: 500;
    text-align: center;
    word-break: break-word;
}