.auto-toc {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 20px;
    margin: 20px 0;
}

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

.auto-toc-item {
    margin: 8px 0;
}

.auto-toc-item a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.auto-toc-item a:hover {
    color: #007bff;
}

/* Indent different heading levels */
.auto-toc-h3 {
    margin-left: 20px;
}

.auto-toc-h4 {
    margin-left: 40px;
}