/* ==========================================================================
   Quick navigation (TOC) block
   ========================================================================== */

.toc {
  background-color: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
}

.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-white);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
}

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

.toc[data-toc].is-open .toc__arrow {
  transform: rotate(180deg);
}

.toc[data-toc] .toc__list {
  display: none;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
  margin-bottom: 0;
  padding-left: 0;
}

.toc[data-toc].is-open .toc__list {
  display: flex;
}

.toc[data-toc] .toc__link {
  display: block;
  color: var(--color-text-main);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  padding-block: 0.15rem;
  text-decoration: none;
}

.toc[data-toc] .toc__link:hover {
  color: var(--color-heading-accent);
}