.toc {
  background: var(--color-bg-dark);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
}
.toc__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  border-radius: var(--border-radius-lg);
  transition: background var(--transition-fast);
}
.toc__header:hover { background: rgba(255,255,255,0.04); }
.toc__header:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: -3px;
}
.toc__title {
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  margin: 0;
}
.toc__arrow {
  color: var(--color-gold);
  font-size: 0.8rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.toc__arrow--open { transform: rotate(180deg); }

.toc__body {
  padding: 0 1.25rem 1.25rem;
  display: none;
}
.toc__body--open { display: block; }

.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.toc__item a {
  display: block;
  padding: 0.35rem 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-main);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.toc__item a:hover {
  color: var(--color-gold);
  background: rgba(247,200,121,0.06);
}
.toc__item a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}