.toc-99cca549-wrapper {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background-color: #f9fafb;
    padding: 20px 24px;
    box-sizing: border-box;
    max-height: 80vh;
    overflow-y: auto;
}

.toc-99cca549-wrapper[data-sticky="yes"] {
    position: sticky;
    top: 20px;
}

.toc-99cca549-title {
    font-size: 18px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 12px 0;
    padding: 0;
    line-height: 1.3;
}

.toc-99cca549-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-99cca549-item {
    margin-bottom: 4px;
}

.toc-99cca549-item[data-level="h2"] {
    padding-left: 16px;
}

.toc-99cca549-item[data-level="h3"] {
    padding-left: 32px;
}

.toc-99cca549-item[data-level="h4"] {
    padding-left: 48px;
}

.toc-99cca549-item[data-level="h5"] {
    padding-left: 60px;
}

.toc-99cca549-item[data-level="h6"] {
    padding-left: 72px;
}

.toc-99cca549-link {
    display: block;
    color: #4b5563;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.6;
    padding: 4px 0 4px 12px;
    border-left: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.toc-99cca549-link:hover {
    color: #2563eb;
}

.toc-99cca549-link.toc-99cca549-active {
    color: #2563eb;
    border-left-color: #2563eb;
    font-weight: 600;
}

.toc-99cca549-placeholder {
    color: #9ca3af;
    font-size: 13px;
    font-style: italic;
    padding: 4px 0;
}

/* Scrollbar styling */
.toc-99cca549-wrapper::-webkit-scrollbar {
    width: 4px;
}

.toc-99cca549-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.toc-99cca549-wrapper::-webkit-scrollbar-thumb {
    background-color: #d1d5db;
    border-radius: 4px;
}