/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: white;
    font-size: 14px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
header {
    margin-bottom: 2rem;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 1rem;
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
    color: #333;
}

header p {
    font-size: 0.9rem;
    color: #666;
}

/* Visualization list */
.visualization-list {
    list-style: none;
}

.visualization-list li {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.visualization-list a {
    color: #0066cc;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
}

.visualization-list a:hover {
    text-decoration: underline;
}

.description {
    display: block;
    color: #666;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    margin-left: 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
}