/* ==========================================================================
   TOC (Table of contents) block
   ========================================================================== */
.toc {
  margin-top: var(--space-section);
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
}

.toc__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
  color: var(--color-heading-gold);
}

.toc__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
}

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

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

.toc__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-base);
}

.toc__panel.is-open {
  max-height: 40rem;
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
}

.toc__list a {
  display: block;
  padding: 0.5rem 0;
  font-size: var(--fs-small);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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