.toc {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  margin-bottom: var(--space-section);
}

.toc__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: 1.05rem;
}

.toc__arrow {
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.toc[data-open="true"] .toc__arrow { transform: rotate(180deg); }

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-left: 0.25rem;
}
.toc[data-open="false"] .toc__list { display: none; }

.toc__link {
  display: block;
  padding: 0.35rem 0;
  color: var(--color-text-main);
  font-size: 0.9rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.toc__link:hover { color: var(--color-heading-gold); }