/**
 * toc.css — BEM: toc__element--modifier
 */

.toc {
  background: var(--color-card-bg);
  border-radius: var(--radius-badge);
  padding: 18px 22px;
  margin-block: var(--space-section);
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: 16px;
}

.toc__arrow {
  transition: transform var(--transition-fast);
  color: var(--color-accent-light);
  flex-shrink: 0;
}

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

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 14px;
  overflow: hidden;
}

.toc__list[hidden] {
  display: none;
}

.toc__list li a {
  display: block;
  padding: 9px 6px;
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  border-bottom: 1px solid var(--color-border-subtle);
}

.toc__list li:last-child a {
  border-bottom: none;
}

.toc__list li a:hover {
  color: var(--color-accent-light);
}