/**
 * toc.css (BEM: toc)
 */

.toc {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
  margin-block: var(--space-card-gap);
}

.toc__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading-gold);
}

.toc__arrow {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.toc__toggle[aria-expanded="true"] .toc__arrow {
  transform: rotate(180deg);
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.toc__list[hidden] {
  display: none;
}

.toc__item {
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 10px;
}

.toc__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.toc__link {
  display: block;
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.toc__link:hover,
.toc__link:focus-visible {
  color: var(--color-accent-light);
}