/* md2pdf 编辑器工作区布局与位置关联外壳
 *
 * 独立覆盖样式：不改动 app.css，也不依赖其内部结构顺序。
 * 所有规则都以 .workspace.md-editor-workspace（JS 初始化后加上的类）限定，
 * 因此加载顺序晚于/早于 app.css 都不会被其基础规则覆盖。
 * 组件：格式工具条（.md-wt-toolbar）、更多插入（.md-wt-details）、
 *       可拖拽分隔条（.md-wt-divider）、全屏（.editor-focus / .preview-focus 状态）。
 */

/* ---------------- 桌面三栏：编辑区 | 分隔条 | 预览区 ---------------- */
.workspace.md-editor-workspace {
  min-height: 620px;
  height: max(620px, calc(100dvh - 154px));
  --md-wt-divider: 10px;
  --md-wt-editor-width: 1fr;
  column-gap: 10px;
  grid-template-columns: minmax(300px, var(--md-wt-editor-width)) var(--md-wt-divider) minmax(380px, 1fr);
}

/* ---------------- 工具条 ---------------- */
.md-wt-toolbar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  padding: 7px 10px;
  min-width: 0;
  background: #fbfcfe;
  border-bottom: 1px solid #eef1f5;
}
.md-wt-group { display: contents; }
.md-wt-mount { display: inline-flex; align-items: center; gap: 4px; }

/* ---------------- 基础格式：第一级单入口 + 第二级多行面板 ----------------
 * 第一级只有一个「基础格式」按钮；点击展开 fixed 定位的浅色多行面板
 * （标题 / 强调 / 列表 / 行内元素）。fixed 不撑高工具条、不被面板 overflow 裁剪；
 * z-index 高于调整浮层与全屏面板，面板内按钮沿用工具条图标按钮外观。 */
.md-wt-basic { position: relative; display: inline-flex; align-items: center; }
.md-wt-basic-menu {
  position: fixed;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 8px;
  width: max-content;
  min-width: 0;
  max-width: min(92vw, 380px);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(36, 51, 72, .14);
  animation: md-wt-menu-in .12s ease-out;
}
.md-wt-basic-menu[hidden] { display: none; }
.md-wt-menu-row { display: flex; flex-wrap: wrap; gap: 4px; }
.md-wt-menu-row + .md-wt-menu-row { margin-top: 4px; padding-top: 4px; border-top: 1px solid #f0f3f7; }
.md-wt-basic-menu .md-wt-menu-item { width: 30px; height: 30px; flex: 0 0 auto; }
@keyframes md-wt-menu-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .md-wt-basic-menu { animation: none; } }
@media (max-width: 480px) {
  .md-wt-basic-menu { padding: 6px; }
  .md-wt-basic-menu .md-wt-menu-item { width: 28px; height: 28px; }
}


/* 固定紧凑的图标按钮：工具条内所有按钮尺寸一致，仅图标随颜色变化。
 * 「从模板创建」是 <a> 锚点，沿用同一外观（文字按钮语义，随 currentColor）。 */
.md-wt-toolbar button,
.md-wt-toolbar a.md-wt-button,
.md-wt-snippets button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  flex: 0 0 auto;
  border: 1px solid #dbe2ec;
  background: #fff;
  color: #33465e;
  border-radius: 6px;
  line-height: 0;
}
.md-wt-toolbar a.md-wt-button { text-decoration: none; }
.md-wt-icon { width: 16px; height: 16px; display: block; }
.md-wt-toolbar button:hover:not(:disabled),
.md-wt-toolbar button:active:not(:disabled),
.md-wt-toolbar a.md-wt-button:hover,
.md-wt-snippets button:hover:not(:disabled) { border-color: #b7c6da; background: #f2f6fb; }
.md-wt-toolbar button:focus-visible,
.md-wt-toolbar a.md-wt-button:focus-visible,
.md-wt-snippets button:focus-visible,
.md-wt-snippets select:focus-visible { outline: 2px solid #6f93bc; outline-offset: 2px; }
.md-wt-toolbar button:disabled,
.md-wt-snippets button:disabled { opacity: .5; cursor: not-allowed; }


.md-editor-workspace .md-editor-toolbar { display: none; }

/* ---------------- 更多插入（专业片段） ---------------- */
.md-wt-details {
  flex: 0 0 auto;
  background: #fbfcfe;
  border-bottom: 1px solid #eef1f5;
  font-size: 12px;
}
.md-wt-details > summary {
  cursor: pointer;
  padding: 6px 12px;
  color: #42648b;
  list-style: none;
}
.md-wt-details > summary::-webkit-details-marker { display: none; }
.md-wt-details > summary::before { content: "▸ "; }
.md-wt-details[open] > summary::before { content: "▾ "; }
.md-wt-details > summary:focus-visible { outline: 2px solid #6f93bc; outline-offset: -2px; border-radius: 4px; }
.md-wt-snippets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 2px 12px 10px;
}
.md-wt-snippets select { width: auto; max-width: 100%; height: 30px; font-size: 12px; }
.md-wt-hint { flex: 1 1 220px; margin: 0; color: #7c8798; line-height: 1.5; }

/* ---------------- 可拖拽分隔条 ---------------- */
.md-wt-divider {
  position: relative;
  align-self: stretch;
  min-width: var(--md-wt-divider);
  background: transparent;
  border-radius: 6px;
  cursor: col-resize;
  touch-action: none;
}
.md-wt-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
  height: 38px;
  border-radius: 3px;
  background: #d3dae4;
  transition: background .12s ease;
}
.md-wt-divider:hover::before,
.md-wt-divider:focus-visible::before,
.md-wt-divider.md-wt-dragging::before { background: #6f93bc; }
.md-wt-divider:focus-visible { outline: 2px solid #6f93bc; outline-offset: -2px; }
.md-wt-divider.md-wt-dragging { cursor: col-resize; }

/* ---------------- 标题栏缩放滑块（Markdown / 预览各自独立） ----------------
 * 只负责容器框架与数值 bubble 的定位；轨道、刻度、小 thumb、端点标签的外观来自
 * app.css 的共享类 .ruler-control / .ruler-slider / .ruler-scale / .ruler-label。
 * 标题栏改为三列网格（标题 | 缩放 | 动作），缩放居中且不侵占两侧，窄屏也不溢出。 */
.workspace.md-editor-workspace .panel-heading {
  display: grid;
  container-type: inline-size;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}
.workspace.md-editor-workspace .panel-heading h2 { justify-self: start; min-width: 0; }
.workspace.md-editor-workspace .panel-heading .panel-actions { justify-self: end; }

.md-wt-zoom {
  position: relative;
  align-self: stretch;
  justify-self: center;
  width: min(100%, 200px);
  min-width: 0;
  height: 100%;
  min-height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.md-wt-zoom > .ruler-control { position: absolute; left: 27px; right: 30px; bottom: 6px; width: auto; }
.md-wt-zoom > .ruler-scale { position: absolute; inset: 0; width: 100%; height: auto; margin: 0; pointer-events: none; }
/* 端点标签沿用共享外观，仅收紧字号以适配 48px 标题栏。 */
.md-wt-zoom .ruler-label { top: calc(100% - 16px); bottom: auto; transform: translateY(-50%); font-size: 9px; color: #9aa5b3; }
.md-wt-zoom .ruler-label--min { left: 5px; }
.md-wt-zoom .ruler-label--max { left: auto; right: 4px; }
/* 当前值 bubble：横向随滑块值移动（--zoom-pos 由 JS 写入），纵向浮在轨道上方，
 * clamp 保证到端点时也不越出容器，因此不会挡住左侧标题或右侧动作。 */
.md-wt-zoom .md-wt-zoom-value {
  position: absolute;
  top: -11px;
  left: clamp(16px, var(--zoom-pos, 50%), calc(100% - 16px));
  transform: translateX(-50%);
  z-index: 2;
  padding: 1px 6px;
  background: transparent;
  color: #758197;
  font-size: 10px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  pointer-events: none;
}

/* ---------------- 全屏（Markdown / 预览）——同一固定 viewport 面板模式 ----------------
 * 两种全屏只切换工作区上的状态类，隐藏对面面板；iframe 与编辑器实例不被重建，
 * 因此预览与正文状态在进出全屏时都保留。 */
.workspace.md-editor-workspace.editor-focus,
.workspace.md-editor-workspace.preview-focus {
  position: fixed; inset: 12px; z-index: 50;
  height: auto; min-height: 0;
  grid-template-columns: 1fr; column-gap: 0;
  background: #fff; box-shadow: 0 0 0 24px #f5f6f8;
}
.workspace.md-editor-workspace.editor-focus .editor-panel { height: 100%; }
.workspace.md-editor-workspace.editor-focus .preview-panel { display: none; }
.workspace.md-editor-workspace.editor-focus .md-wt-divider { display: none; }
.workspace.md-editor-workspace.preview-focus .preview-panel { height: 100%; }
.workspace.md-editor-workspace.preview-focus .editor-panel { display: none; }
.workspace.md-editor-workspace.preview-focus .md-wt-divider { display: none; }

/* ---------------- 窄屏：纵向堆叠，隐藏分隔条，避免横向溢出 ---------------- */
@media (max-width: 900px) {
  .workspace.md-editor-workspace { grid-template-columns: 1fr; column-gap: 0; height: auto; min-height: 0; }
  .md-wt-divider { display: none; }
  .workspace.md-editor-workspace .editor-panel { height: 650px; }
  .workspace.md-editor-workspace.editor-focus .editor-panel,
  .workspace.md-editor-workspace.preview-focus .preview-panel { height: 100%; }
}
@media (max-width: 480px) {
  .md-wt-toolbar { gap: 4px 6px; padding: 6px 8px; }
  .md-wt-hint { flex-basis: 100%; }
}
/* 390px 窄屏：进一步收紧间距与按钮尺寸，靠 flex-wrap 换行，绝不横向溢出。 */
@media (max-width: 390px) {
  .md-wt-toolbar { gap: 3px 5px; padding: 6px 7px; }
  .md-wt-group + .md-wt-group { margin-left: 2px; padding-left: 5px; }
  .md-wt-toolbar button, .md-wt-toolbar a.md-wt-button, .md-wt-snippets button { width: 28px; height: 28px; }
  .md-wt-icon { width: 15px; height: 15px; }
}
/* 窄屏：缩放容器按视口收缩，端点标签与 bubble 同步缩小，避免任何横向溢出。 */
@media (max-width: 600px) {

  .md-wt-zoom .ruler-label { font-size: 8px; }
  .md-wt-zoom .md-wt-zoom-value { font-size: 9px; padding: 1px 4px; }
}
@media (max-width: 390px) {

  .md-wt-zoom .md-wt-zoom-value { font-size: 9px; }
}


.editor-footer #count{white-space:nowrap;text-align:left}.editor-footer #draft-save-status{margin-left:auto;text-align:right}

.md-wt-group + .md-wt-group{margin-left:0;padding-left:0;border-left:0}
.workspace.md-editor-workspace{position:relative}
.workspace.md-editor-workspace>.editor-panel{grid-area:1/1}
.workspace.md-editor-workspace>.md-wt-divider{grid-area:1/2}
.workspace.md-editor-workspace>.preview-panel{grid-area:1/3}
.md-panel-sync{grid-area:1/2;position:relative;top:8px;justify-self:center;align-self:start;z-index:5;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:0;border-radius:6px;background:transparent;color:#677389;padding:6px;cursor:pointer}
.md-panel-sync:hover{background:#eef2f8}
.md-panel-sync:focus-visible{outline:2px solid #6f93bc;outline-offset:2px}
.workspace.editor-focus .md-panel-sync,.workspace.preview-focus .md-panel-sync{display:none}
.workspace.md-editor-workspace .panel-heading{position:relative;display:flex;justify-content:space-between}
.md-wt-zoom{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:200px;height:40px;align-self:auto}
.md-wt-zoom > .ruler-control{top:50%;bottom:auto;transform:translateY(-50%)}
.md-wt-zoom .ruler-label{top:50%}
.md-wt-zoom-value{opacity:0}
.md-wt-zoom .ruler-slider:hover + .md-wt-zoom-value,.md-wt-zoom.md-zoom-keyboard .md-wt-zoom-value{opacity:1}
@media(max-width:900px){.workspace.md-editor-workspace>.preview-panel{grid-area:3/1}.md-panel-sync{grid-area:2/1;position:static;justify-self:center}.md-wt-zoom{width:180px}}
@media(max-width:480px){.md-wt-zoom{width:130px}}
.workspace.md-editor-workspace.editor-focus>.editor-panel,
.workspace.md-editor-workspace.preview-focus>.preview-panel{grid-area:1/1}

/* 面板只改变网格位置，保留编辑器与 iframe 实例及各自宽度。 */
.workspace.md-editor-workspace.panels-reversed {
  grid-template-columns: minmax(380px, 1fr) var(--md-wt-divider) minmax(300px, var(--md-wt-editor-width));
}
.workspace.md-editor-workspace.panels-reversed > .editor-panel { grid-area: 1/3; }
.workspace.md-editor-workspace.panels-reversed > .preview-panel { grid-area: 1/1; }
.md-panel-mode {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; padding: 0; border: 1px solid #dbe2ec; border-radius: 6px;
  background: #fff; color: #33465e; font: inherit; font-weight: 600; cursor: pointer;
}
.md-panel-mode:hover { border-color: #b7c6da; background: #f2f6fb; }
.md-panel-mode:focus-visible { outline: 2px solid #6f93bc; outline-offset: 2px; }
@media (max-width: 900px) {
  .workspace.md-editor-workspace.panels-reversed { grid-template-columns: 1fr; }
  .workspace.md-editor-workspace.panels-reversed > .preview-panel { grid-area: 1/1; }
  .workspace.md-editor-workspace.panels-reversed > .editor-panel { grid-area: 3/1; }
  .md-panel-sync svg { transform: rotate(90deg); }
}
.workspace.md-editor-workspace.editor-focus,
.workspace.md-editor-workspace.preview-focus { grid-template-columns: 1fr; }
.workspace.md-editor-workspace.editor-focus > .editor-panel,
.workspace.md-editor-workspace.preview-focus > .preview-panel { grid-area: 1/1; }

/* 标题栏与工具栏单行共享按钮尺寸和边缘留白。 */
.workspace.md-editor-workspace .panel-heading{height:43px;min-height:43px;padding:7px 10px}
.workspace.md-editor-workspace .panel-heading .icon-button,
.workspace.md-editor-workspace .panel-heading .md-panel-mode{width:28px;height:28px;border-radius:6px;flex:0 0 auto}
.md-wt-zoom{width:140px;height:28px;min-height:0}
.md-wt-zoom > .ruler-control{left:27px;right:30px;top:50%;height:12px;transform:translateY(-50%)}
.md-wt-zoom .ruler-slider{height:12px}
.md-wt-zoom .ruler-label{top:50%}
.md-wt-zoom .md-wt-zoom-value{top:auto;bottom:calc(50% + 7.7px)}
@media(max-width:600px){
 .workspace.md-editor-workspace .panel-heading{height:41px;min-height:41px;padding:6px 8px}
 .workspace.md-editor-workspace .panel-heading .icon-button,
 .workspace.md-editor-workspace .panel-heading .md-panel-mode{width:28px;height:28px}
 .md-wt-zoom{width:130px}
}

/* 纵向布局：同步按钮保留 30px，高低两侧各留 1px，面板间总高 32px。 */
@media (max-width: 900px) {
  .workspace.md-editor-workspace.md-wt-stack-fit {
    height: var(--md-wt-stack-fit-height);
    min-height: 0;
    grid-template-rows: minmax(0, 1fr) 30px minmax(0, 1fr);
    row-gap: 1px;
  }
  .workspace.md-editor-workspace.md-wt-stack-fit > .editor-panel,
  .workspace.md-editor-workspace.md-wt-stack-fit > .preview-panel {
    height: auto;
    min-height: 0;
  }
  .workspace.md-editor-workspace.md-wt-stack-scroll {
    height: auto;
    min-height: 0;
    grid-template-rows: auto 30px auto;
    row-gap: 1px;
  }
  .workspace.md-editor-workspace.md-wt-stack-scroll > .editor-panel,
  .workspace.md-editor-workspace.md-wt-stack-scroll > .preview-panel {
    height: var(--md-wt-stack-panel-height);
    min-height: 0;
  }
}
@media(max-width:390px){
 .workspace.md-editor-workspace .panel-heading{padding:6px 7px}
 .preview-toolbar{padding-left:7px;padding-right:7px}
}

/* 每个面板的两条工具行共用动态列宽、列距和边缘留白。 */
.workspace.md-editor-workspace .panel-heading,
.workspace.md-editor-workspace .md-wt-toolbar,
.workspace.md-editor-workspace .preview-toolbar {
  display: grid;
  grid-template-columns: repeat(var(--panel-columns, 8), var(--panel-button, 28px));
  column-gap: var(--panel-gap, 8px);
  row-gap: 4px;
  padding-left: var(--panel-inset, 10px);
  padding-right: var(--panel-inset, 10px);
}
.workspace.md-editor-workspace .panel-heading h2 { grid-column: 1; grid-row: 1; }
.workspace.md-editor-workspace .panel-heading .panel-actions {
  display: flex;
  grid-column: -4 / -1;
  grid-row: 1;
  gap: var(--panel-gap, 8px);
  justify-self: stretch;
}
.workspace.md-editor-workspace .md-wt-mount { display: contents; }
.workspace.md-editor-workspace .md-wt-group + .md-wt-group { margin-left: 0; padding-left: 0; }
.workspace.md-editor-workspace .md-wt-toolbar button,
.workspace.md-editor-workspace .md-wt-toolbar a.md-wt-button,
.workspace.md-editor-workspace .preview-toolbar .range-trigger,
.workspace.md-editor-workspace .panel-heading .icon-button,
.workspace.md-editor-workspace .panel-heading .md-panel-mode {
  width: var(--panel-button, 28px); height: var(--panel-button, 28px);
}
.workspace.md-editor-workspace .md-wt-zoom {
  left: var(--panel-zoom-left, 50%);
  width: var(--panel-zoom-width, 140px);
}


.workspace.md-editor-workspace .preview-toolbar .icon-button{width:var(--panel-button,28px);height:var(--panel-button,28px)}