@import url("../fonts.css");
/* ============================================================
   Vex 界面原型 · 主题令牌与组件库
   布局参考 Vex，配色由 ../palettes.css 统一定义
   主题：八套配色，各自支持 light / dark
   ============================================================ */

/* ---------- 主题令牌 ---------- */
:root[data-theme="light"] {
  --stage: #E7E9EE;
  --bg: #FDFDFD;
  --panel: #FFFFFF;
  --border: #E4E7EC;
  --splitter: #F2F4F7;
  --editor-bg: #FFFFFF;
  --editor-fg: #101828;
  --currentline-bg: #F4F7FB;
  --currentline-border: #E4E9F2;
  --statusbar-bg: #F7F8FA;
  --badge-bg: #F8FAFC;
  --badge-border: #D8DEE8;
  --muted: #667085;
  --value: #1D2939;
  --accent: #1677FF;
  --accent-fg: #FFFFFF;
  --accent-soft: #E8F1FF;
  --hover: #F2F4F7;
  --pressed: #E8F1FF;
  --fg: #101828;
  --fg-disabled: #98A2B3;
  --code-bg: #F8FAFC;
  --selection: #D9EAFD;
  --danger: #DC2626;
  --danger-soft: #FEECEB;
  --success: #067647;
  --warning: #B54708;
  --scrim: rgba(0, 0, 0, 0.40);
  --tooltip-bg: #111827;
  --tooltip-fg: #F8FAFC;
  --shadow-window: 0 24px 64px rgba(16, 24, 40, 0.22), 0 4px 16px rgba(16, 24, 40, 0.10);
  --shadow-pop: 0 12px 32px rgba(16, 24, 40, 0.16), 0 2px 8px rgba(16, 24, 40, 0.08);
  --md-marker: #98A2B3;
  --md-code-fg: #B42318;
  --md-quote: #667085;
  --title-grad: linear-gradient(135deg, #1677FF, #69B1FF);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --stage: #0A0D14;
  --bg: #111827;
  --panel: #151B26;
  --border: #2B3443;
  --splitter: #232B38;
  --editor-bg: #111827;
  --editor-fg: #E5E7EB;
  --currentline-bg: #1B2533;
  --currentline-border: #334155;
  --statusbar-bg: #151B26;
  --badge-bg: #1B2533;
  --badge-border: #334155;
  --muted: #AAB4C3;
  --value: #F3F4F6;
  --accent: #60A5FA;
  --accent-fg: #111827;
  --accent-soft: #1D3A5F;
  --hover: #263244;
  --pressed: #1D3A5F;
  --fg: #E5E7EB;
  --fg-disabled: #7D8999;
  --code-bg: #1B2533;
  --selection: #243B55;
  --danger: #FF828F;
  --danger-soft: #3B1D23;
  --success: #4ADE80;
  --warning: #FBBF24;
  --scrim: rgba(0, 0, 0, 0.60);
  --tooltip-bg: #F8FAFC;
  --tooltip-fg: #111827;
  --shadow-window: 0 24px 64px rgba(0, 0, 0, 0.55), 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.50), 0 2px 8px rgba(0, 0, 0, 0.30);
  --md-marker: #7D8999;
  --md-code-fg: #FBBF77;
  --md-quote: #AAB4C3;
  --title-grad: linear-gradient(135deg, #60A5FA, #A5C8FF);
  color-scheme: dark;
}









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

html, body { height: 100%; }

body {
  font-family: -apple-system, "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--stage);
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

.mono {
  font-family: "Cascadia Code", "Cascadia Mono", Consolas, "JetBrains Mono", "Microsoft YaHei UI", monospace;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--selection); }

/* ---------- 原型页眉 ---------- */
.proto-head {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 24px 8px;
}
.proto-crumb {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}
.proto-crumb a { color: var(--muted); }
.proto-crumb a:hover { color: var(--accent); }
.proto-head h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.proto-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 1px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.proto-desc {
  margin-top: 6px;
  max-width: 860px;
  font-size: 12.5px;
  color: var(--muted);
}
.proto-desc b { color: var(--value); font-weight: 600; }

/* ---------- 舞台与窗口框 ---------- */
.stage {
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 24px 96px;
}

.window {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-window);
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease;
}

/* ---------- 标题栏 ---------- */
.titlebar {
  height: 40px;
  display: flex;
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding-left: 12px;
  user-select: none;
}
.tb-left { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }
.tb-logo {
  width: 20px; height: 20px;
  border-radius: 6px;
  background: var(--title-grad);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex: none;
}
.tb-appname { font-size: 12px; font-weight: 600; }
.tb-menu { display: flex; align-items: center; gap: 2px; margin-left: 4px; }
.tb-menuitem {
  font-size: 12.5px;
  color: var(--fg);
  padding: 3px 9px;
  border-radius: 6px;
  cursor: default;
  white-space: nowrap;
}
.tb-menuitem:hover { background: var(--hover); }
.tb-menuitem.active { background: var(--accent-soft); color: var(--accent); }
.tb-doc {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px;
  color: var(--muted);
  margin-left: 10px;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.tb-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.tb-dot.saved { background: var(--fg-disabled); opacity: 0.55; }
.caption-btns { display: flex; align-items: center; height: 100%; flex: none; }
.caption-btn {
  width: 44px; height: 100%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg);
  cursor: default;
}
.caption-btn:hover { background: var(--hover); }
.caption-btn.close:hover { background: #DC2626; color: #fff; }
.caption-btn svg { width: 10px; height: 10px; }

/* ---------- 菜单浮层 ---------- */
.flyout {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-pop);
  padding: 5px;
  min-width: 220px;
}
.menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 12.5px;
  cursor: default;
  color: var(--fg);
  white-space: nowrap;
}
.menu-item .mi-ico { width: 15px; height: 15px; color: var(--muted); flex: none; }
.menu-item .mi-gesture { margin-left: auto; padding-left: 28px; font-size: 11.5px; color: var(--muted); }
.menu-item .mi-arrow { margin-left: auto; padding-left: 28px; font-size: 10px; color: var(--muted); }
.menu-item:hover { background: var(--hover); }
.menu-item.checked::after {
  content: "";
  margin-left: auto;
  width: 14px; height: 14px;
  background: var(--accent);
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
}
.menu-item.danger { color: var(--danger); }
.menu-item.danger:hover { background: var(--danger-soft); }
.menu-item.disabled { color: var(--fg-disabled); pointer-events: none; }
.menu-sep { height: 1px; background: var(--border); margin: 5px 8px; }

/* ---------- 按钮 ---------- */
.btn {
  appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit;
  font-size: 12.5px;
  color: var(--fg);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 14px;
  min-height: 30px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.btn:hover { background: var(--hover); }
.btn:active { background: var(--pressed); }
.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.primary:active { background: var(--primary-pressed); border-color: var(--primary-pressed); }
.btn.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  background: var(--panel);
}
.btn.danger:hover { background: var(--danger-hover-bg); color: var(--danger-hover-fg); border-color: var(--danger-hover-fg); }
.btn.danger:active { background: var(--danger-pressed-bg); color: var(--danger-pressed-fg); border-color: var(--danger-pressed-fg); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--hover); }
.btn.sm { min-height: 26px; padding: 3px 10px; font-size: 12px; border-radius: 7px; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- 输入框 ---------- */
.input {
  font: inherit;
  font-size: 12.5px;
  color: var(--fg);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 10px;
  min-height: 30px;
  width: 100%;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.input::placeholder { color: var(--fg-disabled); }
.input:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.input:focus {
  outline: none;
  background: var(--panel);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* ---------- 复选框 / 单选 ---------- */
.check {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--fg);
}
.check .box {
  width: 16px; height: 16px;
  border-radius: 5px;
  border: 1px solid var(--badge-border);
  background: var(--panel);
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
  transition: all 0.12s ease;
}
.check input { display: none; }
.check input:checked + .box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .box::after {
  content: "";
  width: 10px; height: 10px;
  background: var(--accent-fg);
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
}
.check:hover .box { border-color: var(--accent); }

.radio {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  cursor: pointer;
}
.radio .dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1px solid var(--badge-border);
  background: var(--panel);
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
  transition: all 0.12s ease;
}
.radio input { display: none; }
.radio input:checked + .dot { border-color: var(--accent); }
.radio input:checked + .dot::after {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.radio:hover .dot { border-color: var(--accent); }

/* 开关 */
.switch {
  position: relative;
  width: 36px; height: 20px;
  border-radius: 999px;
  background: var(--badge-border);
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
  flex: none;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease;
}
.switch.on { background: var(--accent); }
.switch.on::after { transform: translateX(16px); }

/* ---------- 分段控件 ---------- */
.seg {
  display: inline-flex;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.seg button {
  appearance: none; border: none; background: transparent;
  font: inherit; font-size: 12px;
  color: var(--muted);
  padding: 3px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
}
.seg button:hover { color: var(--fg); }
.seg button.on {
  background: var(--panel);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.10);
}

/* ---------- 状态徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 6px;
  padding: 1px 8px;
  color: var(--muted);
  white-space: nowrap;
}
.badge b { color: var(--value); font-weight: 600; }
.badge.accent b { color: var(--accent); }

.kbd {
  font-family: inherit;
  font-size: 10.5px;
  color: var(--muted);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0 5px;
  line-height: 16px;
  display: inline-block;
}

/* ---------- 侧栏 ---------- */
.sidebar {
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.side-tabs {
  display: flex;
  gap: 2px;
  padding: 8px 10px 0;
  border-bottom: 1px solid var(--splitter);
}
.side-tab {
  appearance: none; border: none; background: transparent;
  font: inherit; font-size: 12.5px;
  color: var(--muted);
  padding: 6px 12px 8px;
  cursor: pointer;
  position: relative;
  display: inline-flex; align-items: center; gap: 6px;
}
.side-tab:hover { color: var(--fg); }
.side-tab.on { color: var(--accent); font-weight: 600; }
.side-tab.on::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px; bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.side-body { flex: 1; overflow: auto; padding: 8px; }

.tree-row {
  display: flex; flex-direction: column;
  gap: 2px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: default;
  position: relative;
}
.tree-row:hover { background: var(--hover); }
.tree-row.selected { background: var(--accent-soft); }
.tree-row.selected::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.tree-row .tr-title {
  display: flex; align-items: center; gap: 7px;
  font-weight: 600;
  font-size: 12.5px;
  color: var(--fg);
}
.tree-row.selected .tr-title { color: var(--accent); }
.tree-row .tr-title .tr-time { margin-left: auto; font-weight: 400; font-size: 11px; color: var(--muted); }
.tree-row .tr-preview {
  font-size: 11.5px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tree-folder {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 10px;
  font-weight: 600; font-size: 12.5px;
  color: var(--fg);
}
.tree-file {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 10px 5px 26px;
  border-radius: 7px;
  font-size: 12.5px;
  color: var(--fg);
}
.tree-file:hover { background: var(--hover); }
.tree-file.selected { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tree-file .tf-time { margin-left: auto; font-size: 11px; color: var(--muted); font-weight: 400; }
.file-ico { width: 15px; height: 15px; flex: none; color: var(--muted); }
.tree-file.selected .file-ico { color: var(--accent); }

.outline-row {
  display: flex; align-items: center;
  padding: 5px 10px;
  border-radius: 7px;
  font-size: 12.5px;
  color: var(--fg);
  cursor: default;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.outline-row:hover { background: var(--hover); }
.outline-row.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.outline-row .lv { color: var(--md-marker); font-size: 10px; width: 16px; flex: none; }

.empty-hint {
  padding: 24px 18px;
  text-align: center;
  color: var(--fg-disabled);
  font-size: 12px;
}

/* ---------- 状态栏 ---------- */
.statusbar {
  background: var(--statusbar-bg);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  min-height: 32px;
}
.sb-status {
  font-size: 12px;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 6px;
  min-width: 0;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  flex: 1;
}
.sb-status .sb-ico { width: 13px; height: 13px; color: var(--success); flex: none; }
.sb-badges { display: flex; align-items: center; gap: 6px; flex: none; }

/* ---------- 查找替换栏 ---------- */
.findbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.findbar .fb-label { font-size: 12px; color: var(--muted); flex: none; }
.findbar .fb-field { position: relative; width: 220px; flex: none; }
.findbar .fb-count {
  position: absolute; right: 8px; top: 50%;
  transform: translateY(-50%);
  font-size: 11px; color: var(--muted);
  pointer-events: none;
}
.opt-toggle {
  appearance: none;
  font: inherit;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 7px;
  min-width: 30px; height: 28px;
  padding: 0 8px;
  cursor: pointer;
  transition: all 0.12s ease;
}
.opt-toggle:hover { background: var(--hover); color: var(--fg); }
.opt-toggle.on {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
}

/* ---------- 覆盖层与对话框 ---------- */
.overlay {
  position: absolute;
  inset: 0;
  background: var(--scrim);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  backdrop-filter: blur(2px);
}
.dialog {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-window);
  padding: 22px;
  width: 440px;
  max-width: calc(100vw - 48px);
}
.dlg-title {
  font-size: 15.5px;
  font-weight: 600;
  display: flex; align-items: center; gap: 10px;
}
.dlg-ico {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
}
.dlg-ico svg { width: 18px; height: 18px; }
.dlg-ico.warn { background: var(--danger-soft); color: var(--danger); }
.dlg-ico.info { background: var(--accent-soft); color: var(--accent); }
.dlg-msg { margin-top: 10px; color: var(--muted); font-size: 12.5px; }
.dlg-path {
  margin-top: 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 11.5px;
  color: var(--muted);
  word-break: break-all;
}
.dlg-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ---------- 独立小窗口（统计/属性等） ---------- */
.mini-window {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-window);
  overflow: hidden;
}
.mini-titlebar {
  height: 36px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding-left: 14px;
  font-size: 12.5px;
  font-weight: 600;
  position: relative;
  user-select: none;
}
.mini-titlebar .caption-btns { position: absolute; right: 0; top: 0; bottom: 0; }

/* ---------- 表单行（MCP 设置等） ---------- */
.form-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px 14px;
  align-items: center;
}
.form-row > label {
  font-size: 12.5px;
  color: var(--muted);
  text-align: right;
}
.field-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  background: var(--panel);
}
.field-card h3 { font-size: 13px; font-weight: 600; margin-bottom: 10px; }

/* ---------- 编辑器模拟 ---------- */
.editor {
  background: var(--editor-bg);
  color: var(--editor-fg);
  font-family: "Cascadia Code", "Cascadia Mono", Consolas, "Microsoft YaHei UI", monospace;
  font-size: 12.5px;
  line-height: 1.75;
  overflow: auto;
  padding: 16px 0;
  min-width: 0;
}
.ed-line {
  display: flex;
  min-height: 22px;
  padding-right: 16px;
}
.ed-line.current { background: var(--currentline-bg); box-shadow: inset 2px 0 0 var(--accent); }
.ed-lno {
  width: 44px;
  flex: none;
  text-align: right;
  padding-right: 14px;
  color: var(--md-marker);
  opacity: 0.75;
  user-select: none;
  font-size: 11.5px;
  line-height: inherit;
}
.ed-text { white-space: pre-wrap; word-break: break-all; min-width: 0; }
.tok-marker { color: var(--md-marker); }
.tok-h { color: var(--accent); font-weight: 700; }
.tok-bold { font-weight: 700; }
.tok-em { font-style: italic; }
.tok-code { color: var(--md-code-fg); background: var(--code-bg); border-radius: 4px; padding: 0 4px; }
.tok-link { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.tok-quote { color: var(--md-quote); font-style: italic; }
.tok-dim { color: var(--md-marker); }
.caret {
  display: inline-block;
  width: 2px; height: 15px;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- 预览排版 ---------- */
.md-body {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fg);
  padding: 22px 30px 30px;
}
.md-body h1 { font-size: 22px; font-weight: 700; margin: 6px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.md-body h2 { font-size: 17.5px; font-weight: 700; margin: 20px 0 10px; }
.md-body h3 { font-size: 15px; font-weight: 600; margin: 16px 0 8px; }
.md-body p { margin: 8px 0; }
.md-body blockquote {
  margin: 10px 0;
  padding: 6px 14px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-radius: 0 8px 8px 0;
  color: var(--md-quote);
}
.md-body code {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  color: var(--md-code-fg);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}
.md-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  overflow: auto;
  margin: 10px 0;
}
.md-body pre code { background: none; border: none; padding: 0; color: var(--fg); font-size: 12px; line-height: 1.7; }
.md-body ul, .md-body ol { padding-left: 22px; margin: 8px 0; }
.md-body li { margin: 3px 0; }
.md-body table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 12.5px; }
.md-body th, .md-body td { border: 1px solid var(--border); padding: 5px 10px; text-align: left; }
.md-body th { background: var(--code-bg); font-weight: 600; }
.md-body hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.md-body .task-list { list-style: none; padding-left: 4px; }
.md-body .task { display: flex; align-items: flex-start; gap: 8px; }
.md-body .task .cb {
  width: 15px; height: 15px;
  border-radius: 4px;
  border: 1px solid var(--badge-border);
  margin-top: 4px;
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.md-body .task.done .cb { background: var(--accent); border-color: var(--accent); }
.md-body .task.done .cb::after {
  content: "";
  width: 9px; height: 9px;
  background: var(--accent-fg);
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M6.2 11.4 2.9 8.1l1-1.06 2.3 2.3 5.9-5.9 1.06 1.06z"/></svg>') center / contain no-repeat;
}
.md-body .task.done span { color: var(--muted); text-decoration: line-through; }
.md-body img-ph {
  display: flex;
  align-items: center; justify-content: center; gap: 8px;
  height: 110px;
  border: 1px dashed var(--badge-border);
  border-radius: 10px;
  color: var(--fg-disabled);
  font-size: 12px;
  margin: 10px 0;
  background: color-mix(in srgb, var(--badge-bg) 60%, transparent);
}

/* ---------- 分隔条 ---------- */
.splitter-v { width: 5px; background: var(--splitter); cursor: col-resize; flex: none; transition: background 0.15s ease; }
.splitter-v:hover { background: var(--accent-soft); }

/* ---------- 工具条（编辑器顶部动作条，设计升级点） ---------- */
.toolbar {
  display: flex; align-items: center; gap: 2px;
  padding: 5px 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tb-btn {
  appearance: none; border: none; background: transparent;
  width: 28px; height: 28px;
  border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted);
  cursor: pointer;
}
.tb-btn:hover { background: var(--hover); color: var(--fg); }
.tb-btn.on { background: var(--accent-soft); color: var(--accent); }
.tb-btn svg { width: 15px; height: 15px; }
.tb-sep { width: 1px; height: 16px; background: var(--border); margin: 0 5px; flex: none; }

/* ---------- 图标辅助 ---------- */
.ico { width: 15px; height: 15px; flex: none; }
svg.ico, svg.mi-ico, svg.file-ico, svg.sb-ico, svg.sym,
.tb-btn svg, .dlg-ico svg, .caption-btn svg, .tree-row .tr-title svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   原型交互层（v2）
   - 页面导航器（悬浮按钮 + 分组面板，所有页面可用）
   - 操作反馈 toast
   - 动态菜单（标题菜单/主窗口菜单栏共用）与二级子菜单
   - 对话框「重新演示」芯片、禁用表单态
   ============================================================ */

/* ---------- 页面导航器 ---------- */
.nav-fab {
  position: fixed;
  right: 74px; bottom: 22px;
  z-index: 998;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .65);
  background: var(--panel);
  color: var(--accent);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .28);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform .15s ease, box-shadow .15s ease;
}
.nav-fab:hover { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0, 0, 0, .34); }
.nav-fab svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-panel {
  position: fixed;
  right: 74px; bottom: 74px;
  z-index: 999;
  width: 252px;
  max-height: min(72vh, 560px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
  padding: 8px;
  display: none;
}
.nav-panel.open { display: block; }
.nav-panel .np-title {
  font-size: 11px; color: var(--muted);
  padding: 2px 10px 7px;
  letter-spacing: .4px;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-panel .np-title .kbd { font-size: 10px; }
.nav-group { font-size: 10.5px; color: var(--fg-disabled); font-weight: 700; letter-spacing: .6px; padding: 8px 10px 3px; }
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12.5px; color: var(--fg);
  text-decoration: none;
}
.nav-item:hover { background: var(--hover); color: var(--fg); text-decoration: none; }
.nav-item.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-item.on::after { content: "●"; margin-left: auto; font-size: 8px; }
.nav-item svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; opacity: .75; }

/* ---------- Toast 反馈 ---------- */
.proto-toast-wrap {
  position: fixed;
  left: 50%; bottom: 30px;
  transform: translateX(-50%);
  z-index: 1200;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}
.proto-toast {
  background: var(--tooltip-bg);
  color: var(--tooltip-fg);
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-pop);
  opacity: 0;
  transform: translateY(8px);
  transition: all .2s ease;
  max-width: 70vw;
}
.proto-toast.show { opacity: 1; transform: translateY(0); }

/* ---------- 动态菜单（标题菜单栏下拉） ---------- */
.menu-flyout {
  position: absolute;
  z-index: 60;
  min-width: 240px;
}
.menu-flyout .flyout { position: static; box-shadow: var(--shadow-pop); max-height: 480px; overflow: auto; }
.menu-flyout .submenu {
  position: fixed;
  min-width: 200px;
  display: none;
  z-index: 70;
}
.menu-flyout .menu-item.has-sub { position: relative; }
.menu-flyout .menu-item.has-sub:hover { background: var(--hover); }
.menu-flyout .menu-item.disabled { color: var(--fg-disabled); pointer-events: none; }
.menu-flyout .menu-item.disabled .mi-ico { color: var(--fg-disabled); }
.tb-menuitem { cursor: pointer; user-select: none; }
.tb-menu { position: relative; }

/* ---------- 对话框「重新演示」与动效 ---------- */
.reopen-chip {
  position: absolute;
  left: 50%; top: 14px;
  transform: translateX(-50%);
  z-index: 8;
  font-size: 11.5px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 14px;
  cursor: pointer;
  box-shadow: var(--shadow-pop);
  transition: all .15s ease;
  white-space: nowrap;
}
.reopen-chip:hover { color: var(--accent); border-color: var(--accent); }
.host .overlay { transition: opacity .18s ease; }
.host .overlay.hidden { opacity: 0; pointer-events: none; }
.host.faded .ghost { opacity: 1; }

/* ---------- 禁用表单态（MCP 设置开关关闭等） ---------- */
.form-disabled { opacity: .45; pointer-events: none; user-select: none; }
.status-off { color: var(--fg-disabled) !important; }
.status-off::before { background: var(--fg-disabled) !important; box-shadow: 0 0 0 3px color-mix(in srgb, var(--fg-disabled) 15%, transparent) !important; }

/* ---------- 菜单阶段提示（menu-flyout 交互说明） ---------- */
.stage-tip {
  position: absolute;
  right: 14px; bottom: 12px;
  z-index: 5;
  font-size: 11px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
  pointer-events: none;
}