/* NEXUS — 笔记编辑器 */

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

.editor__empty {
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 40px 28px;
  max-width: 320px;
  text-align: center;
}

.editor__empty-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 8px;
  border: 1px dashed var(--color-panel-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
}
.editor__empty-mark svg { width: 18px; height: 18px; }

.editor__empty-title {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
}

.editor__empty-hint {
  font-size: var(--text-xs);
  line-height: 1.75;
  color: var(--color-text-faint);
}

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

/* ------------------------------------------------------------ 工具条 */
.editor__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-line);
}

.editor__where,
.editor__tools {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

/* 返回 / 置顶 / 删除三个图标按钮的尺寸与状态来自 components/icon-button.css
   （S2-A 迁移：这里原本各写一套 30px + 14/15px 图标） */

.editor__select {
  height: 28px;
  max-width: 160px;
  padding: 0 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--color-text-mute);
  font-size: var(--text-xs);
  outline: none;
  cursor: pointer;
  appearance: none;
  text-overflow: ellipsis;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.editor__select:hover {
  color: var(--color-text);
  border-color: var(--color-panel-border);
  background: var(--color-panel-hover);
}
.editor__select:focus-visible { border-color: var(--color-ice-line); color: var(--color-text); }
.editor__select option { background: var(--option-bg); color: var(--color-text); }

/* ------------------------------------------------------------ 正文 */
.editor__title {
  width: 100%;
  /* 行长上限 680：两侧留白随面板自动折中，窄屏仍回到 18–40 的内边距 */
  padding: 22px max(clamp(18px, 3vw, 40px), calc((100% - var(--editor-max-width)) / 2)) 10px;
  border: 0;
  background: none;
  outline: none;
  font-size: var(--text-title);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}
.editor__title::placeholder { color: var(--color-text-faint); font-weight: var(--weight-regular); }

.editor__body {
  flex: 1;
  width: 100%;
  min-height: 0;
  max-width: none;
  padding: 4px max(clamp(18px, 3vw, 40px), calc((100% - var(--editor-max-width)) / 2)) 28px;
  border: 0;
  background: none;
  outline: none;
  resize: none;
  font-family: var(--font-sans);
  font-size: var(--text-editor);
  line-height: var(--leading-editor);
  color: var(--color-text-soft);
  scrollbar-gutter: stable;
}
.editor__body::placeholder { color: var(--color-text-faint); }

.editor__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px clamp(18px, 3vw, 40px);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-xs);
  font-variant-numeric: var(--numeric-tabular);
  color: var(--color-text-faint);
}

.editor__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-faint);
  transition: color var(--dur) var(--ease-out);
}
.editor__status::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
  transition: background var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.editor__status:empty { display: none; }

.editor__status[data-state="dirty"] { color: var(--color-text-mute); }
.editor__status[data-state="saving"] { color: var(--color-ice); }
.editor__status[data-state="saving"]::before { animation: editor-pulse 1s var(--ease-soft) infinite; }
.editor__status[data-state="saved"] { color: var(--color-success); }
.editor__status[data-state="error"] { color: var(--color-danger); cursor: pointer; }
.editor__status[data-state="error"]::before { background: var(--color-danger); opacity: 1; }

.editor__stats {
  flex: none;
  font-variant-numeric: tabular-nums;
}

@keyframes editor-pulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

@media (max-width: 760px) {
  .editor__title { padding: 16px 16px 8px; }
  .editor__body { padding: 4px 16px 20px; }
  .editor__foot { padding: 8px 16px; }
  .editor__select { max-width: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  .editor__status[data-state="saving"]::before { animation: none; }
}