.toc {
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: var(--sidebar-bg);
}

.toc summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 8px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0 0;
}

.toc-list li {
  margin: 6px 0;
}

.toc-list li.level-1 {
  margin-left: 12px;
}

.toc-list li.level-2 {
  margin-left: 24px;
}

.toc-list li.level-3 {
  margin-left: 36px;
}