@layer surfaces {

/* Auto-snapshot badge (source: "auto" versions, pruned past the keep budget). */
.document-version-badge {
  display: inline-block;
  padding: 0 0.3rem;
  border: 1px solid var(--c-gray-300);
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
  color: var(--c-gray-600);
  vertical-align: 1px;
}

/* Text | Changes switch for the version preview. */
.document-version-preview-modes {
  display: inline-flex;
  border: 1px solid var(--c-gray-200);
  border-radius: 6px;
  overflow: hidden;
  justify-self: start;
}

.document-version-preview-mode {
  border: 0;
  background: none;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  color: var(--c-gray-600);
  cursor: pointer;
}

.document-version-preview-mode + .document-version-preview-mode {
  border-left: 1px solid var(--c-gray-200);
}

.document-version-preview-mode.is-active {
  background: var(--c-gray-200);
  color: var(--c-gray-900);
}

/* Line diff vs the current document. Glyphs (+/−), not color alone, mark rows. */
.document-version-diff {
  display: grid;
  gap: 0.375rem;
}

.document-version-diff-stats {
  font-size: 0.75rem;
  color: var(--c-gray-600);
}

.document-version-diff-body {
  overflow: auto;
  max-height: 16rem;
  border: 1px solid var(--c-gray-200);
  border-radius: 6px;
  background: var(--c-gray-50);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  padding: 0.5rem;
}

.document-version-diff-row {
  display: flex;
  gap: 0.4rem;
  white-space: pre-wrap;
  color: var(--c-gray-800);
}

.document-version-diff-glyph {
  flex: none;
  width: 0.75rem;
  text-align: center;
  color: var(--c-gray-500);
}

.document-version-diff-row.is-added {
  background: var(--c-success-50);
  color: var(--c-success-800);
}

.document-version-diff-row.is-added .document-version-diff-glyph {
  color: var(--c-success-800);
}

.document-version-diff-row.is-removed {
  background: var(--c-danger-50);
  color: var(--c-danger-800);
  text-decoration: line-through;
}

.document-version-diff-row.is-removed .document-version-diff-glyph {
  color: var(--c-danger-800);
}

.document-version-diff-row.is-collapsed {
  color: var(--c-gray-500);
  font-style: italic;
}

.document-version-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.document-version-preview-action {
  min-height: 1.75rem;
  padding: 0.25rem 0.5rem;
}

.document-version-preview-action--primary {
  border-color: var(--c-ink);
  background: var(--c-ink);
  color: var(--c-white);
}

.document-version-preview-action--primary:hover,
.document-version-preview-action--primary:focus-visible {
  border-color: var(--c-gray-800);
  background: var(--c-gray-800);
}

.document-notes-trash {
  display: grid;
  gap: 0.5rem;
  border-top: 1px solid var(--c-gray-200);
  padding-top: 0.75rem;
}

.document-notes-section-title {
  color: var(--c-gray-500);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
}

.document-note {
  display: grid;
  gap: 0.5rem;
  border: 1px solid var(--c-gray-200);
  border-radius: 6px;
  background: var(--c-white);
  padding: 0.5rem;
}

.document-note.is-active {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 1px var(--c-accent);
}

.document-note.is-trashed {
  border-style: dashed;
  background: var(--c-gray-50);
  color: var(--c-gray-500);
}

.document-note-anchor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.5rem;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--c-gray-700);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.document-note-anchor:hover,
.document-note-anchor:focus-visible {
  color: var(--c-gray-900);
  outline: none;
}

.document-note-excerpt {
  overflow: hidden;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-note-kind {
  color: var(--c-gray-500);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--ls-kicker);
  text-transform: uppercase;
}

.document-note-body {
  width: 100%;
  resize: vertical;
  min-height: 4.5rem;
  border: 1px solid var(--c-gray-200);
  border-radius: 4px;
  color: var(--c-gray-900);
  outline: none;
  padding: 0.5rem;
}

.document-note-body:focus {
  border-color: var(--c-accent);
}

.document-note-trash-body {
  color: var(--c-gray-700);
  font-size: 0.8125rem;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.document-note-trash-meta {
  color: var(--c-gray-500);
  font-size: 0.75rem;
}

.document-note-actions {
  display: flex;
  justify-content: flex-end;
}

.document-note-delete,
.document-note-restore,
.document-note-promote {
  border: 0;
  background: transparent;
  color: var(--c-gray-500);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.125rem 0;
}

}