/* ==========================================================================
   TOC (Table of Contents) block
   ========================================================================== */

.toc {
  padding-block: 1.5rem;
}

.toc__box {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toc__heading {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading-gold);
}

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

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

.toc__panel {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows var(--transition-base);
}

.toc__panel.is-open {
  grid-template-rows: 1fr;
  margin-top: 0.75rem;
}

.toc__panel > .toc__list {
  min-height: 0;
  overflow: hidden;
}

.toc__list {
  display: flex;
  flex-direction: column;
}

.toc__link {
  display: block;
  padding: 0.55rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.toc__link:hover {
  color: var(--color-heading-gold);
}