/**
 * HellSpin — TOC (Table of Contents)
 */

.toc {
  padding-block: var(--section-gap);
}

.toc__box {
  padding: 0;
  overflow: hidden;
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: var(--card-padding);
  text-align: left;
}

.toc__heading {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading-gold);
}

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

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

.toc__list {
  display: grid;
  gap: 0.1rem;
  padding-inline: var(--card-padding);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding-block var(--transition-base);
}

.toc__list.is-open {
  max-height: 1000px;
  padding-block: 0 var(--card-padding);
}

.toc__link {
  display: block;
  padding: 0.55rem 0.25rem;
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(212, 197, 177, 0.1);
  transition: color var(--transition-fast);
}

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

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