/* ==========================================================================
   toc block — collapsible quick-navigation, auto-built from page H2s
   BEM: toc__element--modifier
   ========================================================================== */
.toc {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  margin-block: var(--space-section);
}

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

.toc__arrow {
  display: inline-flex;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.toc__toggle[aria-expanded="true"] .toc__arrow { transform: rotate(180deg); }

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(245, 241, 234, 0.08);
}
.toc__list[hidden] { display: none; }

.toc__link {
  color: var(--color-text-secondary);
  font-size: var(--fs-small);
  transition: color var(--transition-base);
}
.toc__link:hover,
.toc__link:focus-visible { color: var(--color-heading-gold); }