/* ==========================================================================
   toc.css — Navigazione rapida
   ========================================================================== */

.toc {
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

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

.toc__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-heading);
}

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

.toc__toggle[aria-expanded="false"] .toc__arrow {
  transform: rotate(-90deg);
}

.toc__list {
  display: flex;
  flex-direction: column;
  padding: 0 var(--card-padding) var(--card-padding);
}

.toc__list[hidden] {
  display: none;
}

.toc__item {
  border-top: 1px solid var(--divider);
}

.toc__link {
  display: block;
  padding: 0.7rem 0.25rem;
  color: var(--color-text);
  font-weight: var(--fw-medium);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.toc__link:hover {
  color: var(--color-heading);
  padding-left: 0.6rem;
}

@media (prefers-reduced-motion: reduce) {
  .toc__arrow { transition: none; }
}