.mdrn-toc__details {
  border: 1px solid #e5e7eb;
  padding: 16px;
  margin: 24px 0;
  background: #fafafa;
}

.mdrn-toc__title {
  font-weight: 700;
  margin-bottom: 10px;
}

.mdrn-toc__list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.mdrn-toc__item {
  margin: 6px 0;
}

.mdrn-toc__item--h3 {
  margin-left: 16px;
  font-size: 0.95em;
}

.mdrn-toc__link {
  text-decoration: none;
  color: #333;
}

.mdrn-toc__details {
  margin: 24px 0;
}

.mdrn-toc__summary {
  cursor: pointer;
  font-weight: 700;
}

.mdrn-toc--placeholder .mdrn-toc__note {
  font-size: 0.95em;
  opacity: 0.8;
}