.toc-sidebar {
    float: left;
    margin-top: 50px;
    margin-bottom: 50px;
    padding: 0 20px;
    width: 350px;
}

.toc-title {
    font-weight: bold;
}

.toc-titleLink {
    color: black;
    text-decoration: none;

    &:hover {
        text-decoration: underline;
    }
}

.toc-item {
    font-size: 13px;
    margin: 5px 0;
}

.toc-header {
    display: flex;
    align-items: center;
    padding: 5px;
    cursor: pointer;
}

.toc-header.active {
    background-color: #ebe6ff;
    border-radius: 4px;
}

.toc-link {
    text-decoration: none;
    color: #333;
    margin-left: 5px;
}

.toc-header.active .toc-link {
    color: #5536c4;
    font-weight: bold;
}

.toggle-icon {
    font-size: 10px;
    transition: transform 0.2s;
    transform: rotate(-90deg);
    color: #666;
}

.toc-children {
    display: none;
    margin-left: 15px;
    padding-left: 10px;
    border-left: 1px solid #ddd;
}

.toc-children.expanded {
    display: block;
}