.mb-toc-container {
    max-height: 50vh;
    overflow-y: auto;
}

.mb-toc-item h2 {
    font-size: 1rem;
    margin: 0 0 10px 0;
    padding: 0;
    color: #333;
}

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

.mb-toc-item {
    margin: 5px 0;
    line-height: 1.3;
}

.mb-toc-item a {
    text-decoration: none;
    display: block;
    padding: 3px 0;
}

.mb-toc-item a:hover {
    text-decoration: underline;
}

.toc-level-2 {
    margin-left: 0;
    font-weight: bold;
}

.toc-level-3 {
    margin-left: 15px;
}

.toc-level-4 {
    margin-left: 30px;
    font-size: 0.9em;
}

.toc-level-5 {
    margin-left: 45px;
    font-size: 0.85em;
}

.toc-level-6 {
    margin-left: 60px;
    font-size: 0.8em;
}