/* ==========================================================================
   Block: toc (quick navigation)
   ========================================================================== */
.toc {
  margin-block: var(--space-section);
}

.toc__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: var(--color-bg-dark);
  border-radius: var(--radius-card);
  color: var(--color-white);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
}

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

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

.toc__nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: var(--color-bg-dark);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}

.toc[data-open="true"] .toc__nav {
  max-height: 2000px;
}

ul.toc__list {
  min-height: 0;
  display: grid;
  gap: 0.25rem;
  padding: 0.5rem 1.25rem 1.25rem;
}

.toc__list a {
  display: block;
  padding-block: 0.4rem;
  font-size: var(--fs-small);
  color: var(--color-text-main);
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.toc__list a:hover,
.toc__list a:focus-visible {
  color: var(--color-heading-accent);
  border-left-color: var(--color-heading-accent);
}

@media (min-width: 768px) {
  .toc__toggle {
    cursor: pointer;
  }
}