/* ============================================================
   Editor surface
   The document column is capped at a comfortable measure so long
   prose never runs the full width of a wide window.
   ============================================================ */

.editor {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.editor__topbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: none;
  height: var(--topbar-height);
  padding: 0 var(--space-3) 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--text-md);
  color: var(--color-text-2);
  overflow: hidden;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: var(--radius-sm);
}

button.breadcrumbs__item:hover {
  color: var(--color-text);
}

.breadcrumbs__sep {
  flex: none;
  color: var(--color-text-3);
}

.breadcrumbs__current {
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.save-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: none;
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  color: var(--color-text-3);
  white-space: nowrap;
}

.save-status[data-state="saving"] {
  color: var(--color-text-2);
}

.save-status[data-state="error"] {
  color: var(--color-danger);
}

.save-status__dot {
  width: 6px;
  height: 6px;
  flex: none;
  background: currentColor;
  border-radius: 50%;
}

.save-status[data-state="saving"] .save-status__dot {
  animation: pulse 1.1s var(--ease-in-out) infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.25;
  }
}

.editor__actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
}

/* ---------- Formatting toolbar ---------- */

.editor__toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
  padding: var(--space-1) var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.editor__toolbar::-webkit-scrollbar {
  display: none;
}

.editor__toolbar-sep {
  width: 1px;
  height: 18px;
  flex: none;
  margin: 0 var(--space-2);
  background: var(--color-border);
}

.editor__toolbar .icon-btn[aria-pressed="true"] {
  background: var(--color-accent-soft);
}

/* ---------- Document ---------- */

.editor__scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.editor__doc {
  width: 100%;
  max-width: var(--editor-measure);
  margin: 0 auto;
  padding: var(--space-6) var(--gutter) var(--space-8);
}

.editor__title {
  display: block;
  width: 100%;
  font-family: var(--font-ui);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
  outline: none;
  word-break: break-word;
}

.editor__title:empty::before {
  content: attr(data-placeholder);
  color: var(--color-text-3);
  pointer-events: none;
}

.editor__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-3);
}

.editor__meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.editor__tags {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.tag-input {
  width: 120px;
  height: 22px;
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  background: var(--color-surface-2);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xs);
  outline: none;
}

.tag-input:focus {
  border-style: solid;
  border-color: var(--color-accent);
}

.editor__rule {
  margin: var(--space-5) 0;
}

/* ---------- Rich content ---------- */

.editor__content {
  font-family: var(--font-editor);
  font-size: var(--editor-font-size);
  line-height: var(--editor-line-height);
  color: var(--color-text);
  outline: none;
  word-break: break-word;
}

.editor__content:empty::before,
.editor__content > p:only-child:empty::before {
  content: attr(data-placeholder);
  color: var(--color-text-3);
  pointer-events: none;
}

.editor__content > * + * {
  margin-top: 0.85em;
}

.editor__content h2,
.editor__content h3 {
  font-family: var(--font-ui);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.3;
}

.editor__content h2 {
  margin-top: 1.6em;
  font-size: 1.32em;
}

.editor__content h3 {
  margin-top: 1.4em;
  font-size: 1.12em;
}

.editor__content ul,
.editor__content ol {
  padding-left: 1.4em;
}

.editor__content li + li {
  margin-top: 0.3em;
}

.editor__content ul {
  list-style: disc;
}

.editor__content ol {
  list-style: decimal;
}

.editor__content li::marker {
  color: var(--color-text-3);
}

.editor__content blockquote {
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-border-strong);
  color: var(--color-text-2);
  font-style: italic;
}

.editor__content code {
  padding: 0.12em 0.35em;
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--color-surface-3);
  border-radius: var(--radius-xs);
}

.editor__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.editor__content hr {
  margin: 1.6em 0;
}

/* Checklists render real checkboxes so they stay keyboard-operable. */
.editor__content ul[data-checklist] {
  padding-left: 0;
  list-style: none;
}

.editor__content ul[data-checklist] > li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.editor__content ul[data-checklist] input[type="checkbox"] {
  flex: none;
  width: 15px;
  height: 15px;
  margin: 0;
  margin-top: calc((1em * var(--editor-line-height) - 15px) / 2);
  accent-color: var(--color-accent);
  cursor: pointer;
}

.editor__content ul[data-checklist] > li[data-checked="true"] {
  color: var(--color-text-3);
  text-decoration: line-through;
  text-decoration-color: var(--color-text-3);
}

/* ---------- Read-only states (trash / archive preview) ---------- */

.editor--readonly .editor__content,
.editor--readonly .editor__title {
  opacity: 0.86;
}

.editor__banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--gutter);
  font-size: var(--text-md);
  color: var(--color-text-2);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.editor__banner .icon {
  flex: none;
  color: var(--color-text-3);
}

.editor__banner-text {
  flex: 1 1 220px;
  min-width: 0;
}

.editor__banner--danger {
  color: var(--color-danger);
  background: var(--color-danger-soft);
  border-bottom-color: var(--color-danger-border);
}

.editor__banner--danger .icon {
  color: currentColor;
}