.nested-list,
.nested-list ul,
.nested-list ol {
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
}
.nested-list ul,
.nested-list ol {
  /* Nested indentation: a subtle rail on the inline-start edge
     anchors the eye to the parent branch. */
  padding-inline-start: var(--spacing-md, 12px);
  margin-inline-start: var(--spacing-sm, 6px);
  border-inline-start: 1px solid var(--color-border, #E5E7EB);
}
/* Ordered: re-enable numbering. The outer reset above killed
   list-style on every list under .nested-list, but ol at the root
   AND when nested wants decimal markers back. */
ol.nested-list,
.nested-list ol {
  list-style: decimal;
  padding-inline-start: var(--spacing-lg, 18px);
}
.nested-list ol .nested-list__item {
  padding-inline-start: var(--spacing-xs, 4px);
}
.nested-list__item {
  padding-block: 2px;
}
/* Hide the native <details> disclosure triangle — we draw our own
   custom caret via ::before on the summary so it picks up theme color
   and rotates smoothly on open. */
.nested-list details > summary { list-style: none; }
.nested-list details > summary::-webkit-details-marker { display: none; }
.nested-list__summary,
.nested-list summary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs, 6px);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text, #111827);
  padding: 4px 6px;
  border-radius: var(--radii-sm, 4px);
  user-select: none;
}
.nested-list__summary::before,
.nested-list summary::before {
  content: "";
  display: inline-block;
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border-block-start: 2px solid currentColor;
  border-inline-end: 2px solid currentColor;
  transform: rotate(45deg);  /* points right when collapsed */
  transition: transform 120ms ease;
  opacity: 0.7;
  margin-inline-end: 2px;
}
.nested-list details[open] > summary::before,
.nested-list details[open] > .nested-list__summary::before {
  transform: rotate(135deg); /* points down when open */
}
.nested-list summary:hover {
  background: var(--color-surface-soft, #F4F4F5);
}
.nested-list summary:focus-visible {
  outline: 2px solid var(--color-primary, #2563EB);
  outline-offset: 2px;
}
.nested-list__link {
  display: inline-block;
  color: var(--color-text, #111827);
  text-decoration: none;
  padding: 4px 6px;
  border-radius: var(--radii-sm, 4px);
}
.nested-list__link:hover {
  background: var(--color-surface-soft, #F4F4F5);
  color: var(--color-primary, #2563EB);
}
.nested-list__link:focus-visible {
  outline: 2px solid var(--color-primary, #2563EB);
  outline-offset: 2px;
}
/* Ordered numbers should pick up the muted color so the marker
   doesn't compete with the label text. */
.nested-list ol .nested-list__item::marker {
  color: var(--color-text-muted, #6B7280);
}