.theory-toc {
    background: #f8f9fae3;
    border: 1px solid #dee2e66e;
    border-radius: 0.5rem;
    padding: 1rem;
}

.toc-container {
    font-size: 0.9rem;
}

.table-of-contents {
    margin-bottom: 0.5rem;
}

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

.toc-list li {
    margin-bottom: 0.5rem;
    padding-left: 0;
    transition: all 0.2s ease;
}

.toc-list li:hover {
    transform: translateX(2px);
}

.toc-link {
    text-decoration: none;
    color: #2227ac;
    display: block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.toc-link:hover {
    color: #0d6efd;
    background-color: #e9ecef;
    border-left-color: #0d6efd;
}

.toc-link.active {
    color: #0d6efd;
    background-color: #e7f1ff;
    border-left-color: #0d6efd;
    font-weight: 600;
}