/* ==========================================================================
   TOC (Quick navigation) block
   ========================================================================== */
.toc {
  padding-block: 1.25rem;
}

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

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

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

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

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-block-start: var(--space-h3-text-gap);
  max-height: 1000px;
  overflow: hidden;
  transition: max-height var(--transition-base), margin var(--transition-base);
}

.toc__list[aria-hidden="true"] {
  max-height: 0;
  margin-block-start: 0;
}

.toc__link {
  font-size: var(--fs-base);
  color: var(--color-text-primary);
  padding-block: 0.25rem;
}

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