.toc {
  padding-block: 1.25rem;
}

.toc__box {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
}

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

.toc__arrow {
  transition: transform var(--transition-base);
}

.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 var(--color-accent-blue);
}

.toc__list[hidden] {
  display: none;
}

.toc__list a {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

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

.toc__list li {
  counter-increment: toc-counter;
}

.toc__list li a::before {
  content: counter(toc-counter) ". ";
  color: var(--color-heading-accent);
  font-weight: var(--font-weight-btn);
}

.toc__list {
  counter-reset: toc-counter;
}