/* Outline: lightweight heading TOC */
.tiptap-outline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-zinc-800);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(27, 24, 26, 0.96), rgba(27, 24, 26, 0.92));
  color: var(--color-zinc-300);
  max-height: min(60vh, 32rem);
  overflow: auto;
}

.tiptap-outline__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-zinc-400);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tiptap-outline__list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.tiptap-outline__item {
  min-width: 0;
}

.tiptap-outline__button {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
  padding: 0.45rem 0.5rem;
  border: none;
  background: transparent;
  border-radius: 0.65rem;
  font: inherit;
  text-align: left;
  text-decoration: none;
  color: var(--color-zinc-400);
  cursor: pointer;
  transition:
    background-color 0.12s ease,
    color 0.12s ease;
}

.tiptap-outline__button:hover {
  background-color: var(--color-zinc-800);
  color: var(--color-zinc-100);
}

.tiptap-outline__button:focus-visible {
  outline: 1px solid var(--color-accent-500);
  outline-offset: 1px;
}

.tiptap-outline__button[data-active="true"] {
  background-color: color-mix(in srgb, var(--color-accent-500) 12%, transparent);
  color: var(--color-zinc-100);
}

.tiptap-outline__chevron {
  margin-top: 0.2rem;
  color: var(--color-zinc-600);
  flex-shrink: 0;
}

.tiptap-outline__button[data-active="true"] .tiptap-outline__chevron {
  color: var(--color-accent-400);
}

.tiptap-outline__text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  line-height: 1.45;
}

/* Rail variant: lightweight list without card container */
.tiptap-outline--rail {
  border: none;
  background: transparent;
  border-radius: 0;
  padding: 0;
  max-width: none;
  max-height: calc(100vh - 6rem);
}

.tiptap-outline--rail .tiptap-outline__button {
  border-radius: 0;
}