:root {
  --bg: #ffffff;
  --bg2: #f7f8fa;
  --bg3: #eef0f4;
  --bg4: #e4e7ed;
  --border: #e3e6eb;
  --border-light: #d5d9e1;
  --text: #1f2430;
  --text-dim: #5f6675;
  --text-faint: #8f96a3;
  --accent: #2f6fdb;
  --accent-hover: #2961c4;
  --accent-soft: rgba(47, 111, 219, 0.10);
  --green: #0e9d63;
  --green-soft: rgba(14, 157, 99, 0.14);
  --red: #d64550;
  --red-soft: rgba(214, 69, 80, 0.12);
  --yellow: #b5820f;
  --yellow-soft: rgba(181, 130, 15, 0.14);
  --radius: 6px;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.14);
  --mono: "SF Mono", "Cascadia Code", Consolas, "Noto Sans Mono CJK SC", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 14px;
  overflow: hidden;
}

button { cursor: pointer; font-family: inherit; }

/* ---------- SVG 图标 ---------- */
.icon {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
  vertical-align: -2px;
}
.icon.solid, .icon .solid { fill: currentColor; stroke: none; }

/* ---------- 加载指示（旋转圆环） ---------- */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.7s linear infinite;
  flex: none;
  vertical-align: -2px;
}
.spinner.big { width: 30px; height: 30px; border-width: 3px; color: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* 按钮加载态：隐藏图标、显示旋转圆环，文字保留 */
.btn .spinner, .mini-btn .spinner { display: none; }
.btn.loading, .mini-btn.loading { pointer-events: none; }
.btn.loading .icon, .mini-btn.loading .icon { display: none; }
.btn.loading .spinner, .mini-btn.loading .spinner { display: inline-block; }
.btn.primary.loading .spinner { border-color: rgba(255, 255, 255, 0.9); border-right-color: transparent; }

/* 列表加载占位 */
.list-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 12px;
  color: var(--text-faint);
  font-size: 12px;
}
.list-loading .spinner { color: var(--accent); }

/* ---------- 顶栏 ---------- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex: none;
  gap: 12px;
}
.header-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.logo-mark {
  display: inline-flex;
  align-items: baseline;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(47, 111, 219, 0.3);
  border-radius: 4px;
}
.logo-mark sub { font-size: 7px; margin-left: -1px; }
.project-name {
  color: var(--text-dim);
  font-size: 13px;
  padding: 3px 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.auto-label {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.auto-label input { accent-color: var(--accent); }

.btn {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, border-color 0.15s, transform 0.05s, box-shadow 0.15s;
}
.btn:hover { background: var(--bg2); border-color: #c2c8d3; }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(47, 111, 219, 0.3);
}
.btn.primary:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.status {
  font-size: 12px;
  color: var(--green);
  min-width: 96px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.status.busy { color: var(--yellow); }
.status.error { color: var(--red); }
.status:empty::before { content: "就绪"; color: var(--text-faint); }
/* 等待中：状态文字前加旋转圆环 */
.status.busy::before {
  content: "";
  width: 11px;
  height: 11px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ---------- 主区域 ---------- */
.main { display: flex; flex: 1; min-height: 0; }

aside {
  width: 252px;
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.side-section { display: flex; flex-direction: column; min-height: 0; }
.side-section.grow { flex: 1; overflow: auto; border-top: 1px solid var(--border); }
.side-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-faint);
  flex: none;
}
.side-actions { display: flex; gap: 2px; }
.mini-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  transition: background 0.15s, color 0.15s;
}
.mini-btn:hover { background: var(--bg4); color: var(--text); }

#project-list, #file-tree { list-style: none; overflow: auto; padding: 0 6px; }
#project-list { max-height: 190px; }

.project-item, .file-item {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  cursor: pointer;
  gap: 6px;
  border-radius: 4px;
  transition: background 0.12s;
}
.project-item:hover, .file-item:hover { background: var(--bg3); }
.project-item span:first-child { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-item.active { background: var(--accent-soft); color: #1d4ed8; }
.project-item.active::before {
  content: "";
  width: 3px; height: 14px;
  background: var(--accent);
  border-radius: 2px;
  margin-right: -2px;
}
.project-item button {
  background: transparent; border: none; color: var(--text-faint);
  font-size: 12px; padding: 2px 5px; border-radius: 3px;
  display: none;
}
.project-item:hover button { display: inline-flex; }
.project-item button .icon { width: 13px; height: 13px; }
.project-item button:hover { color: var(--red); background: var(--red-soft); }

.file-item .tree-file {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.file-item .tree-file .icon { width: 14px; height: 14px; color: var(--text-faint); }
.file-item.active { background: var(--accent-soft); color: #1d4ed8; }
.file-item.active .tree-file .icon { color: var(--accent); }
.file-item .file-actions { display: flex; flex: none; }
.file-item .file-actions button {
  background: transparent; border: none; color: var(--text-faint);
  font-size: 12px; padding: 2px 5px; border-radius: 3px;
  display: none;
}
.file-item:hover .file-actions button { display: inline-flex; }
.file-item .file-actions button .icon { width: 13px; height: 13px; }
.file-item .file-actions button:hover { color: var(--red); background: var(--red-soft); }

.tree-dir {
  padding: 6px 8px;
  color: var(--text-dim);
  font-size: 13px;
}
.tree-dir .icon { width: 14px; height: 14px; margin-right: 6px; vertical-align: -2px; }

/* ---------- 编辑器 ---------- */
#editor-host { flex: 1 1 50%; min-width: 0; }
#fallback-editor {
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  border: none;
  outline: none;
  resize: none;
  padding: 12px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre;
  overflow: auto;
}

/* ---------- 拖拽分栏 ---------- */
#resizer {
  width: 5px;
  flex: none;
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s;
}
#resizer:hover, #resizer.active { background: var(--accent); }

/* ---------- PDF 面板 ---------- */
.pdf-pane {
  flex: 1 1 50%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border-left: 1px solid var(--border);
}
.pdf-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex: none;
  font-size: 12px;
  color: var(--text-dim);
}
.pdf-toolbar .sep { flex: 1; }
#pdf-page-info { min-width: 48px; text-align: center; font-variant-numeric: tabular-nums; }

#pdf-scroll {
  flex: 1;
  overflow: auto;
  position: relative;
  padding: 0;
}
/* 连续滚动：每页一个容器，进入视口前 600px 才真正渲染 canvas */
#pdf-pages {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 16px 12px;
  min-height: 100%;
}
.pdf-page {
  position: relative;
  flex: none;
  background: #fff;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.18);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.pdf-page canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}
/* 工具栏开关按钮（滚动同步等） */
.mini-btn.tgl.on {
  color: var(--accent);
  background: var(--accent-soft);
}
#pdf-hint {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-faint);
  text-align: center;
  line-height: 1.9;
  width: 320px;
}
/* 反向定位请求进行中 */
#pdf-scroll.waiting { cursor: progress; }
#pdf-scroll.waiting #pdf-canvas { cursor: progress; }
/* PDF 区域加载遮罩：编译 / 加载 PDF 时覆盖 */
#pdf-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--bg2);
  color: var(--text-dim);
  font-size: 13px;
}
#pdf-overlay[hidden] { display: none; }
#pdf-marker {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--green-soft);
  pointer-events: none;
  animation: marker-pulse 1.2s ease-out infinite;
}
@keyframes marker-pulse {
  0% { box-shadow: 0 0 0 0 var(--green-soft); }
  100% { box-shadow: 0 0 0 10px transparent; }
}

/* ---------- SyncTeX 高亮 ---------- */
.sync-highlight { background: rgba(14, 157, 99, 0.22); }

/* ---------- 底部状态栏 ---------- */
#statusbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 26px;
  padding: 0 12px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
  flex: none;
  font-variant-numeric: tabular-nums;
}
#statusbar .sb-spacer { flex: 1; }
#statusbar .sb-item { white-space: nowrap; }
#statusbar .sb-accent { color: var(--accent); }
#statusbar .sb-err {
  background: none;
  border: none;
  padding: 0 8px;
  border-radius: 4px;
  color: var(--red);
  background: var(--red-soft);
  font-size: 12px;
  height: 17px;
  line-height: 17px;
}
#statusbar .sb-err:hover { background: var(--red); color: #fff; }

/* 文件树未保存圆点 */
.file-item .dirty-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yellow);
  flex: none;
  display: none;
}
.file-item.dirty .dirty-dot { display: inline-block; }

/* ---------- 文件快速切换（Ctrl+P） ---------- */
#quick-switch {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 12vh;
  z-index: 120;
}
#quick-switch[hidden] { display: none; }
.qs-box {
  width: min(520px, 90%);
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
#qs-input {
  width: 100%;
  border: none;
  outline: none;
  padding: 12px 14px;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
#qs-list { list-style: none; max-height: 320px; overflow: auto; }
#qs-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-dim);
}
#qs-list li .icon { width: 14px; height: 14px; color: var(--text-faint); }
#qs-list li.sel { background: var(--accent-soft); color: #1d4ed8; }
#qs-list li.sel .icon { color: var(--accent); }
#qs-list li.empty { color: var(--text-faint); cursor: default; }

/* ---------- 日志抽屉 ---------- */
#log-drawer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 42%;
  background: var(--bg);
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  z-index: 50;
  box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.18);
}
#log-drawer[hidden] { display: none; }
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  font-weight: 600;
  flex: none;
  border-bottom: 1px solid var(--border);
}
#log-content {
  flex: 1;
  overflow: auto;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-dim);
  background: var(--bg2);
}

/* ---------- 历史弹窗 ---------- */
#history-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#history-modal[hidden] { display: none; }
.modal-box {
  width: min(1100px, 86%);
  height: min(720px, 84%);
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.modal-box .drawer-head { border-bottom: 1px solid var(--border); }
.history-body { display: flex; flex: 1; min-height: 0; }
#history-list {
  list-style: none;
  width: 320px;
  flex: none;
  overflow: auto;
  border-right: 1px solid var(--border);
}
.history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}
.history-item:hover { background: var(--bg2); }
.history-info { flex: 1; min-width: 0; cursor: pointer; }
.history-info b {
  display: block;
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-info span { font-size: 11px; color: var(--text-faint); font-family: var(--mono); }
.history-item button {
  background: var(--bg2);
  border: 1px solid var(--border-light);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  flex: none;
}
.history-item button:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
#diff-view {
  flex: 1;
  overflow: auto;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-dim);
}

/* ---------- AI 排版弹窗 ---------- */
#ai-style {
  background: var(--bg);
  border: 1px solid var(--border-light);
  color: var(--text);
  border-radius: 6px;
  font-size: 12px;
  padding: 5px 6px;
  outline: none;
  cursor: pointer;
}
#ai-style:focus { border-color: var(--accent); }
#ai-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#ai-modal[hidden] { display: none; }
#ai-modal .modal-box { width: min(900px, 90%); height: auto; max-height: 86%; }
.ai-body { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.ai-prep {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.ai-scope { font-size: 12px; color: var(--text-dim); }
.ai-scope b { color: var(--accent); font-weight: 600; }
#ai-instruction {
  background: var(--bg);
  border: 1px solid var(--border-light);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#ai-instruction:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ai-summary {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  white-space: pre-wrap;
}
#ai-diff {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-dim);
  min-height: 200px;
}
#ai-diff .diff-add { color: #1a7f37; background: rgba(46, 160, 67, 0.12); }
#ai-diff .diff-del { color: #cf222e; background: rgba(248, 81, 73, 0.12); }
#ai-diff .diff-hunk { color: var(--accent); }
#ai-modal .tpl-footer {
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 12px 16px;
}
#ai-modal .sb-spacer { flex: 1; }
#ai-status { font-size: 12px; }

/* ---------- 模板选择弹窗 ---------- */
#template-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#template-modal[hidden] { display: none; }
.tpl-box { width: min(720px, 90%); height: auto; max-height: 86%; }
.tpl-body { display: flex; flex-direction: column; gap: 14px; padding: 16px; overflow: auto; }
.tpl-name-row { display: flex; flex-direction: column; gap: 6px; }
.tpl-name-row label { font-size: 12px; color: var(--text-dim); }
.tpl-name-row input {
  background: var(--bg);
  border: 1px solid var(--border-light);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.tpl-name-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.tpl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.tpl-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tpl-card:hover { background: var(--bg2); border-color: #c2c8d3; }
.tpl-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 1px var(--accent);
}
.tpl-card b { font-size: 14px; display: flex; align-items: center; gap: 8px; }
.tpl-card b .icon { color: var(--accent); }
.tpl-card b .tpl-check { margin-left: auto; color: var(--accent); visibility: hidden; }
.tpl-card.selected b .tpl-check { visibility: visible; }
.tpl-card span { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.tpl-card .tpl-files { font-size: 11px; color: var(--text-faint); font-family: var(--mono); }

.tpl-footer { display: flex; justify-content: flex-end; }

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg);
  border: 1px solid var(--border-light);
  padding: 9px 18px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 200;
  font-size: 13px;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 移动端默认隐藏件 ---------- */
#btn-menu { display: none; }
#view-toggle { display: none; }
#drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 55;
}
#drawer-overlay[hidden] { display: none; }
.btn.icon-only { padding: 6px 9px; }

/* 视图切换分段控件 */
#view-toggle {
  display: none;
  background: var(--bg3);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
}
#view-toggle .vt {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 6px 12px;
  font-size: 13px;
}
#view-toggle .vt.active { background: var(--accent); color: #fff; }

/* ---------- 移动端自适应 ---------- */
@media (max-width: 900px) {
  header { padding: 0 8px; gap: 6px; }
  .header-left { gap: 8px; }
  .logo { display: none; }
  .project-name { max-width: 110px; font-size: 12px; }

  /* 按钮只留图标 */
  .btn .lbl { display: none; }
  .btn { padding: 6px 9px; }
  .auto-label .lbl { display: none; }
  #status { display: none; }

  /* 显示移动端控件 */
  #btn-menu { display: inline-flex; }
  #view-toggle { display: flex; }

  /* 侧栏改为抽屉 */
  aside {
    position: fixed;
    left: 0;
    top: 48px;
    bottom: 0;
    width: min(300px, 84vw);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 60;
    box-shadow: var(--shadow);
  }
  aside.open { transform: translateX(0); }

  /* 隐藏分栏拖拽 */
  #resizer { display: none; }

  /* 编辑器 / PDF 视图切换 */
  body.view-edit .pdf-pane { display: none; }
  body.view-pdf #editor-host { display: none; }
  #editor-host, .pdf-pane { flex: 1 1 100%; }

  /* 状态栏精简 */
  #statusbar #sb-file, #statusbar .sb-accent { display: none; }

  /* 弹窗更窄 */
  .modal-box { width: 94%; height: 88%; }
  .history-body { flex-direction: column; }
  #history-list { width: 100%; max-height: 40%; border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 480px) {
  #btn-sync { display: none; }
  .auto-label { display: none; }
  .project-name { max-width: 70px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #c6ccd6; border-radius: 5px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #aeb5c2; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-corner { background: transparent; }