.toc {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 0.5rem var(--pad-card);
  margin-block-end: var(--space-section);
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  color: var(--c-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-h3);
}

.toc__arrow {
  width: 22px;
  height: 22px;
  color: var(--c-accent-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.toc__toggle[aria-expanded='false'] .toc__arrow {
  transform: rotate(-90deg);
}

/* Collapse via grid-template-rows trick — no !important needed */
.toc__list-wrap {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows var(--transition);
}

.toc__toggle[aria-expanded='false'] + .toc__list-wrap {
  grid-template-rows: 0fr;
}

.toc__list {
  min-height: 0;
  overflow: hidden;
  padding-block-end: 0.85rem;
}

.toc__list li {
  border-top: 1px solid rgba(185, 169, 196, 0.1);
}

.toc__link {
  display: block;
  padding: 0.6rem 0.25rem;
  color: var(--c-text);
  transition: color var(--transition), padding var(--transition);
}

.toc__link::before {
  content: '›';
  color: var(--c-accent-light);
  margin-right: 0.5rem;
}

.toc__link:hover {
  color: var(--c-accent-light);
  padding-left: 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .toc__list-wrap {
    transition: none;
  }
}