/* ═══════════════════════════════════════════════════════
   VWDG Phase 2 — 纯白无边界主题
   设计令牌 + 骨架布局 + 组件样式
   ═══════════════════════════════════════════════════════ */

/* ── 设计令牌 (与 React globals.css 对齐) ── */
:root {
  /* 背景色层级 */
  --c-bg: #ffffff;
  --c-bg-subtle: #fafafa;
  --c-bg-sunken: #f5f5f5;
  --c-bg-hover: rgba(0,0,0,.04);
  --c-bg-active: rgba(0,0,0,.08);
  --c-canvas-bg: #fafafa;
  --c-canvas-dot: rgba(0,0,0,.12);
  --c-node-bg: #ffffff;

  /* 文字层级 */
  --c-text: #1a1a1a;
  --c-text-secondary: #6b6b6b;
  --c-text-muted: #999999;

  /* 边框 & 分割 */
  --c-border: rgba(0,0,0,.08);
  --c-divider: rgba(0,0,0,.06);

  /* 强调色 */
  --c-accent: #2563eb;
  --c-accent-hover: #1d4ed8;

  /* 功能色 */
  --c-edge: #8f8f8f;
  --c-danger: #ef4444;
  --c-danger-hover: #dc2626;
  --c-success: #10b981;

  /* 圆角 */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --shadow-float: 0 8px 24px rgba(37,99,235,.25), 0 2px 8px rgba(37,99,235,.15);

  /* 动画 */
  --ease-smooth: cubic-bezier(.4, 0, .2, 1);
  --ease-bounce: cubic-bezier(.34, 1.56, .64, 1);
  --dur-fast: 100ms;
  --dur-normal: 200ms;
  --dur-slow: 350ms;

  /* 间距 */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* z-index 层级 */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-sidebar: 700;
  --z-topbar: 800; /* 修复：下拉菜单被侧边栏遮挡，需要高于sidebar(700) */
  --z-float: 500;
  --z-toolbar: 600;
  --z-dock: 610;
  --z-modal: 1000;
  --z-toast: 2000;
  --z-tooltip: 3000;

  /* 布局尺寸 */
  --topbar-h: 48px;
  --sidebar-w: 240px;
  --sidebar-w-collapsed: 56px;
  --bottombar-h: 40px;
  --floatball-size: 48px;
}

/* ── 基础重置 ── */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: system-ui, -apple-system, sans-serif; user-select: none; -webkit-user-select: none; }
html, body { height: 100vh; overflow: hidden; margin: 0; padding: 0; }
body { display: flex; flex-direction: column; background: var(--c-bg); color: var(--c-text); touch-action: none; }
html, body { overscroll-behavior: none; -webkit-overscroll-behavior: none; }

/* ═══════════ 顶部工具栏 ═══════════ */
.topbar {
  height: var(--topbar-h);
  min-height: var(--topbar-h);
  background: var(--c-bg);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-3);
  gap: var(--sp-2);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-topbar);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.topbar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  flex-shrink: 0;
}
.topbar-spacer { flex: 1; }
.file-path {
  font-size: 11px;
  color: var(--c-text-muted);
  background: var(--c-bg-sunken);
  padding: 4px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
  transition: background var(--dur-normal) var(--ease-smooth);
}
.file-path:hover { background: var(--c-bg-active); }
.file-path.saved { color: var(--c-text); font-weight: 500; }
.mode-indicator {
  padding: 4px 12px;
  background: var(--c-success);
  color: #fff;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
  white-space: nowrap;
}

/* ── 按钮系统 (无边界) ── */
.btn {
  padding: 6px 12px;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 12px;
  background: transparent;
  color: var(--c-text-secondary);
  flex-shrink: 0;
  transition: all var(--dur-normal) var(--ease-smooth);
  min-height: 32px;
  white-space: nowrap;
  font-weight: 500;
}
.btn:hover { background: var(--c-bg-hover); color: var(--c-text); }
.btn:active { background: var(--c-bg-active); }
.btn.primary { background: var(--c-accent); color: #fff; }
.btn.primary:hover { background: var(--c-accent-hover); }
.btn.secondary { background: var(--c-bg-sunken); color: var(--c-text-secondary); }
.btn.secondary:hover { background: var(--c-bg-active); color: var(--c-text); }
.btn.danger { background: var(--c-danger); color: #fff; }
.btn.danger:hover { background: var(--c-danger-hover); }
.btn.active { background: var(--c-accent); color: #fff; }
.btn kbd {
  font-size: 10px;
  opacity: .5;
  margin-left: 4px;
  font-family: inherit;
}

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

/* ═══════════ 侧边栏 ═══════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--c-bg-sunken);
  display: flex;
  flex-direction: column;
  transition: width var(--dur-slow) var(--ease-smooth);
  flex-shrink: 0;
  z-index: var(--z-sidebar);
  position: relative;
  overflow: visible;
}
/* ── 导航区 ── */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: var(--sp-2);
  border-bottom: 1px solid var(--c-divider);
}
.nav-items {
  display: flex;
  gap: var(--sp-1);
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
  color: var(--c-text-muted);
  font-size: 10px;
}
.nav-item:hover { background: var(--c-bg-hover); color: var(--c-text-secondary); }
.nav-item.active { background: var(--c-bg-active); color: var(--c-accent); }
.nav-icon { font-size: 16px; line-height: 1; }
.nav-text { font-size: 10px; transition: opacity var(--dur-normal); }

/* ── 画布标签 ── */
.canvas-tabs {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) 0 0;
  transition: opacity var(--dur-normal);
}
.canvas-tab {
  flex: 1;
  padding: 4px 8px;
  font-size: 11px;
  color: var(--c-text-secondary);
  background: var(--c-bg);
  border-radius: var(--r-sm);
  text-align: center;
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
}
.canvas-tab.active { background: var(--c-accent); color: #fff; }
.canvas-tab-add {
  width: 24px;
  height: 24px;
  border: none;
  background: var(--c-bg-hover);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-normal) var(--ease-smooth);
}
.canvas-tab-add:hover { background: var(--c-bg-active); color: var(--c-text); }

/* ── 工具内容区 ── */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--sp-2);
  transition: opacity var(--dur-normal);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--c-bg-active) transparent;
  touch-action: pan-y;
}
.sidebar-content::-webkit-scrollbar { width: 4px; }
.sidebar-content::-webkit-scrollbar-track { background: transparent; }
.sidebar-content::-webkit-scrollbar-thumb { background: var(--c-bg-active); border-radius: 2px; }

.tool-group { margin-bottom: var(--sp-3); }
.tool-group h4 {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: var(--sp-2);
  padding: var(--sp-1) 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.tool-group h4::after {
  content: '▼';
  font-size: 10px;
  transition: transform var(--dur-normal) var(--ease-smooth);
}
.tool-group.collapsed h4::after { transform: rotate(-90deg); }
.tool-group .group-content {
  overflow: hidden;
  transition: max-height 0.3s ease;
  max-height: 1000px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.tool-group.collapsed .group-content { max-height: 0; }

/* ── 侧栏按钮 ── */
.sidebar-btn {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  font-size: 12px;
  background: var(--c-bg);
  color: var(--c-text-secondary);
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
  margin: 0;
}
.sidebar-btn:hover { background: var(--c-bg-hover); color: var(--c-text); }
.sidebar-btn.active { background: var(--c-accent); color: #fff; }
.sidebar-btn.small { font-size: 11px; padding: 6px 10px; }

/* ── 颜色选择器 ── */
.color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px 0;
}
.color-btn {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--c-bg);
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
  transition: all var(--dur-fast) var(--ease-smooth);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.color-btn:hover { transform: scale(1.15); }
.color-btn.active { border-color: var(--c-accent); box-shadow: 0 0 0 2px var(--c-bg), 0 0 0 4px var(--c-accent); }
.custom-color-btn {
  background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red) !important;
  color: transparent;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── 尺寸选择器 ── */
.size-picker {
  display: flex;
  gap: 8px;
  padding: 4px 0;
  align-items: center;
}
.size-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.size-btn:hover { background: var(--c-bg-hover); }
.size-btn.active { background: var(--c-bg-active); }
.size-dot { border-radius: 50%; background: var(--c-text); }

/* ── 涂鸦层路径可点击 ── */
#drawingLayer path { pointer-events: stroke; cursor: pointer; }

/* ═══════════ 画布容器 ═══════════ */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--c-canvas-bg);
  /* BUG-6 fix: 背景点阵改由 JS updateBackgroundPattern() 动态生成，跟随缩放 */
}

/* 三层DOM架构 */
.canvas-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 4000px;
  height: 4000px;
  transform-origin: 0 0;
  /* BUG-6 fix: 删除 will-change: transform，防止 GPU 光栅化导致缩放模糊 */
}
#canvas { z-index: 5; pointer-events: none; }
#canvas .node { pointer-events: auto; }
#canvas .sticky-note { pointer-events: auto; }
#lineSvg { z-index: 10; pointer-events: none; overflow: visible; fill: transparent; }
#lineSvg path[stroke="transparent"] { pointer-events: all; cursor: pointer; }
#drawingLayer { z-index: 8; overflow: visible; pointer-events: none; }

/* ═══════════ 节点卡片 ═══════════ */
.node {
  position: absolute;
  min-width: 140px;
  max-width: 280px;
  padding: 12px 14px;
  background: var(--c-node-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: inset 3px 0 0 0 var(--node-color, #64748b), var(--shadow-sm);
  cursor: grab;
  font-size: 13px;
  user-select: none;
  transition: box-shadow var(--dur-normal) var(--ease-smooth), transform 0.1s;
}
.node { --node-color: #64748b; }
.node:active { cursor: grabbing; }
.node:hover { box-shadow: inset 3px 0 0 0 var(--node-color, #64748b), var(--shadow-md); }
.node.selected {
  box-shadow: inset 3px 0 0 0 var(--node-color),
              0 0 0 3px rgba(37,99,235,.15),
              var(--shadow-md);
}
.node.multi-selected {
  box-shadow: inset 3px 0 0 0 var(--node-color),
              0 0 0 3px rgba(37,99,235,.2),
              var(--shadow-md);
}
.node-title {
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
  word-break: break-word;
}
.node-content {
  font-size: 12px;
  color: var(--c-text-secondary);
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.node-tags {
  display: flex;
  gap: 4px;
  margin-top: 6px;
  flex-wrap: wrap;
  padding: 0 10px 8px;
}
.node-tag {
  padding: 1px 7px;
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.node-type-badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--r-pill);
  background: var(--c-bg-sunken);
  color: var(--c-text-muted);
  margin-top: 6px;
}

/* ── 父子节点折叠标记 ── */
.node-collapse-btn {
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  min-height: 20px;
}
.node.has-children .node-collapse-btn { display: flex; }
.node.collapsed .node-collapse-btn { transform: translateY(-50%) rotate(-90deg); }

/* ═══════════ 便签贴纸 ═══════════ */
.sticky-note {
  position: absolute;
  width: 180px;
  min-height: 120px;
  padding: 12px;
  box-shadow: var(--shadow-sm);
  cursor: move;
  font-size: 12px;
  z-index: var(--z-sticky);
  border-radius: var(--r-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--dur-normal) var(--ease-smooth), transform var(--dur-fast) var(--ease-smooth);
}
.sticky-note:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.sticky-note::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, rgba(0,0,0,.06) 0%, transparent 50%, rgba(0,0,0,.06) 100%);
}
.sticky-note.selected { box-shadow: var(--shadow-md), 0 0 0 2px var(--c-accent); }
.sticky-note.multi-selected { box-shadow: var(--shadow-md), 0 0 0 3px rgba(37,99,235,.2); }
.sticky-note textarea {
  width: 100%;
  flex: 1;
  min-height: 40px;
  background: transparent;
  border: none;
  resize: none;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  cursor: text;
  color: inherit;
  user-select: text;
  -webkit-user-select: text;
}
.sticky-note .note-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,.08);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  z-index: 10;
  opacity: 0;
  transition: opacity var(--dur-fast);
}
.sticky-note:hover .note-delete { opacity: .6; }
.sticky-note .note-delete:hover { opacity: 1 !important; background: rgba(239,68,68,.8); color: #fff; }
.sticky-note .note-resize {
  position: absolute;
  bottom: 0; right: 0;
  width: 18px; height: 18px;
  cursor: nwse-resize;
  z-index: 10;
  opacity: 0.3;
}
.sticky-note .note-resize::after {
  content: '';
  position: absolute;
  bottom: 3px; right: 3px;
  width: 8px; height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}
.sticky-note.selected .note-resize { opacity: 0.6; }
.sticky-note .note-resize:hover { opacity: 1; }

/* 便签形状 */
.sticky-note.shape-rect { border-radius: var(--r-sm); }
.sticky-note.shape-rounded { border-radius: var(--r-lg); }
.sticky-note.shape-circle { border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.sticky-note.shape-diamond { border-radius: var(--r-sm); transform: rotate(45deg); }
.sticky-note.shape-diamond textarea,
.sticky-note.shape-diamond .note-delete,
.sticky-note.shape-diamond .note-resize,
.sticky-note.shape-diamond .note-shape-bar { transform: rotate(-45deg); }
.sticky-note .note-shape-bar {
  display: flex;
  gap: 3px;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(0,0,0,.06);
  flex-shrink: 0;
}
.sticky-note .note-shape-btn {
  width: 20px; height: 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-xs);
  background: rgba(255,255,255,.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--c-text-muted);
}
.sticky-note .note-shape-btn:hover { background: var(--c-bg-hover); }
.sticky-note .note-shape-btn.active { border-color: var(--c-accent); background: rgba(37,99,235,.1); }
.sticky-note.yellow { background: #fef9c3; color: #713f12; }
.sticky-note.green  { background: #dcfce7; color: #14532d; }
.sticky-note.blue   { background: #dbeafe; color: #1e3a5f; }
.sticky-note.pink   { background: #fce7f3; color: #500724; }
.sticky-note.orange { background: #ffedd5; color: #431407; }

/* ═══════════ 底部状态栏 ═══════════ */
.bottombar {
  height: var(--bottombar-h);
  background: var(--c-bg);
  border-top: 1px solid var(--c-divider);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-3);
  gap: var(--sp-3);
  font-size: 11px;
  color: var(--c-text-muted);
  flex-shrink: 0;
  z-index: var(--z-base);
}
.bottombar-item { display: flex; align-items: center; gap: 4px; }
.bottombar-item em { font-style: normal; font-weight: 600; color: var(--c-text-secondary); }
.bottombar-divider { width: 1px; height: 12px; background: var(--c-divider); }
/* ── 底部栏缩放控制 ── */
.bottombar-zoom { display: flex; align-items: center; gap: 2px; }
.bottombar-btn {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--c-text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast) var(--ease-smooth);
}
.bottombar-btn:hover { background: var(--c-bg-hover); color: var(--c-text); }
/* ── 底部栏右侧操作区 ── */
.bottombar-actions { margin-left: auto; display: flex; align-items: center; gap: 2px; }

/* ═══════════ 浮球 ═══════════ */
.floatball {
  position: fixed;
  bottom: calc(var(--bottombar-h) + 16px);
  right: 16px;
  z-index: var(--z-float);
}
.floatball-trigger {
  width: var(--floatball-size);
  height: var(--floatball-size);
  border-radius: 50%;
  border: none;
  background: var(--c-accent);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-float);
  transition: all var(--dur-normal) var(--ease-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}
.floatball-trigger:hover { transform: scale(1.05); background: var(--c-accent-hover); }
.floatball-panel {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: var(--c-bg);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-3);
  min-width: 220px;
  opacity: 0;
  transform: translateY(8px) scale(.95);
  pointer-events: none;
  transition: all var(--dur-normal) var(--ease-bounce);
  max-height: 400px;
  overflow-y: auto;
}
.floatball.open .floatball-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
/* ── 组件面板分区 ── */
.fb-section { margin-bottom: var(--sp-2); }
.fb-section:last-child { margin-bottom: 0; }
.fb-section-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  padding: 0 2px;
}
.fb-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.fb-action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border: 1px solid var(--c-divider);
  border-radius: var(--r-sm);
  background: var(--c-bg-secondary);
  color: var(--c-text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
  white-space: nowrap;
}
.fb-action-btn:hover { background: var(--c-bg-hover); color: var(--c-text); border-color: var(--c-accent); }
.fb-action-btn.active { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
/* ── 便签色块按钮 ── */
.fb-sticky {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(0,0,0,.08);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-smooth);
}
.fb-sticky:hover { transform: scale(1.15); }

/* ═══════════ 右侧属性面板 ═══════════ */
.right-panel {
  width: 280px;
  flex-shrink: 0;
  background: var(--c-bg);
  border-left: 1px solid var(--c-divider);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.rp-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--c-text-muted);
  padding: var(--sp-6);
}
.rp-empty-icon { font-size: 32px; opacity: 0.5; }
.rp-empty-text { font-size: 13px; }
.rp-header {
  padding: var(--sp-3);
  border-bottom: 1px solid var(--c-divider);
}
.rp-title { font-size: 13px; font-weight: 600; color: var(--c-text); }
.rp-subtitle { font-size: 11px; color: var(--c-text-muted); margin-top: 2px; }
.rp-body { padding: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-3); }
.rp-field { display: flex; flex-direction: column; gap: 4px; }
.rp-label { font-size: 11px; font-weight: 500; color: var(--c-text-muted); }
.rp-input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--c-divider);
  border-radius: var(--r-sm);
  background: var(--c-bg-secondary);
  color: var(--c-text);
  font-size: 12px;
  outline: none;
  transition: border-color var(--dur-fast);
}
.rp-input:focus { border-color: var(--c-accent); }
.rp-textarea {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--c-divider);
  border-radius: var(--r-sm);
  background: var(--c-bg-secondary);
  color: var(--c-text);
  font-size: 12px;
  outline: none;
  resize: vertical;
  min-height: 60px;
  font-family: inherit;
  transition: border-color var(--dur-fast);
}
.rp-textarea:focus { border-color: var(--c-accent); }
.rp-row { display: flex; gap: 6px; }
.rp-input-sm { flex: 1; min-width: 0; }
.rp-color {
  width: 100%;
  height: 32px;
  border: 1px solid var(--c-divider);
  border-radius: var(--r-sm);
  cursor: pointer;
  padding: 2px;
  background: var(--c-bg-secondary);
}
.rp-color-group { display: flex; gap: 6px; }
.rp-color-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.rp-color-btn:hover { transform: scale(1.1); }
.rp-color-btn.active { border-color: var(--c-accent); box-shadow: 0 0 0 2px rgba(37,99,235,.2); }
.rp-info {
  font-size: 12px;
  color: var(--c-text-secondary);
  padding: 4px 0;
}

/* ═══════════ 类型选择器 (0742 phase4) ═══════════ */
.rp-type-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.rp-type-opt {
  display: inline-block;
  padding: 3px 8px;
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--c-text);
  transition: background .15s;
}
.rp-type-opt:hover { background: var(--c-bg-hover, rgba(0,0,0,.08)); }
.rp-type-opt.active { font-weight: 600; background: var(--c-bg-active, rgba(37,99,235,.1)); }

/* ═══════════ 标签编辑器 (0742 phase4) ═══════════ */
.rp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 24px;
}
.rp-tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 6px;
  font-size: 11px;
  border-radius: 3px;
  background: var(--c-bg-secondary, #f1f5f9);
  color: var(--c-text);
}
.rp-tag-del {
  cursor: pointer;
  opacity: .5;
  font-size: 13px;
  line-height: 1;
}
.rp-tag-del:hover { opacity: 1; color: #ef4444; }
.rp-no-tags { font-size: 12px; color: var(--c-text-muted, #94a3b8); }
.rp-tag-input-row { margin-top: 4px; }
.rp-tag-input-row .rp-input { font-size: 12px; padding: 4px 6px; }

/* ═══════════ BUG-8: 右栏工作站化 ═══════════ */
/* 操作按钮行 */
.rp-actions {
  display: flex;
  gap: 6px;
  padding-bottom: var(--sp-2, 8px);
  border-bottom: 1px solid var(--c-border, #e2e8f0);
  margin-bottom: var(--sp-1, 4px);
}
.rp-action-btn {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--c-border, #e2e8f0);
  border-radius: 6px;
  background: var(--c-bg, #fff);
  color: var(--c-text, #1e293b);
  font-size: 12px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.rp-action-btn:hover {
  background: var(--c-bg-hover, #f1f5f9);
  border-color: var(--c-accent, #2563eb);
}
.rp-danger-btn {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  background: #fef2f2;
  color: #dc2626;
  font-size: 12px;
  cursor: pointer;
  transition: background .15s;
}
.rp-danger-btn:hover {
  background: #fee2e2;
}

/* BUG-8: 颜色点阵 */
.rp-color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.rp-color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, border-color .15s;
}
.rp-color-dot:hover {
  transform: scale(1.15);
}
.rp-color-dot.active {
  border-color: var(--c-text, #1e293b);
  box-shadow: 0 0 0 2px rgba(0,0,0,.1);
}

/* BUG-8: 连线列表 */
.rp-line-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 160px;
  overflow-y: auto;
}
.rp-line-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  background: var(--c-bg-subtle, #f8fafc);
  font-size: 12px;
}
.rp-line-dir {
  font-size: 11px;
  color: var(--c-text-muted, #94a3b8);
  min-width: 14px;
  text-align: center;
}
.rp-line-name {
  flex: 1;
  font-weight: 500;
  color: var(--c-text, #1e293b);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rp-line-label {
  font-size: 11px;
  color: var(--c-text-muted, #94a3b8);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rp-line-del {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--c-text-muted, #94a3b8);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s;
}
.rp-line-del:hover {
  background: #fee2e2;
  color: #dc2626;
}
.rp-no-connections {
  font-size: 12px;
  color: var(--c-text-muted, #94a3b8);
  padding: 4px 0;
}

/* BUG-8: 新建连线 */
.rp-new-connection {
  display: flex;
  gap: 6px;
  align-items: center;
}
.rp-select {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  padding: 5px 6px;
}
.rp-conn-add {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 12px;
  padding: 5px 10px;
}

/* ═══════════ BUG-8 fix: 便签形状选择器 ═══════════ */
.rp-shape-picker {
  display: flex;
  gap: 6px;
}
.rp-shape-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast) var(--ease);
  color: var(--c-text-secondary);
}
.rp-shape-btn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}
.rp-shape-btn.active {
  border-color: var(--c-accent);
  background: var(--c-accent-light);
  color: var(--c-accent);
}

/* ═══════════ 选择框 ═══════════ */
.selection-box {
  position: absolute;
  border: 1px dashed var(--c-accent);
  background: rgba(37,99,235,.08);
  pointer-events: none;
  display: none;
  z-index: var(--z-sticky);
}

/* ═══════════ 快捷操作栏 ═══════════ */
.quick-bar {
  position: absolute;
  background: var(--c-bg);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  gap: 4px;
  z-index: var(--z-dock);
  animation: quickBarIn var(--dur-normal) var(--ease-bounce);
}
@keyframes quickBarIn {
  from { opacity: 0; transform: translateY(4px) scale(.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.quick-bar.show { display: flex; }
.quick-btn {
  width: 40px; height: 40px;
  border: none;
  border-radius: var(--r-sm);
  background: var(--c-bg-sunken);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast) var(--ease-smooth);
  min-width: 40px;
  min-height: 40px;
  -webkit-tap-highlight-color: transparent;
}
.quick-btn:hover { background: var(--c-bg-active); }
.quick-btn.edit:hover { background: var(--c-accent); color: #fff; }
.quick-btn.delete:hover { background: var(--c-danger); color: #fff; }
.quick-btn.link:hover { background: var(--c-success); color: #fff; }
.quick-btn.copy:hover { background: #f59e0b; color: #fff; }
.quick-btn:active { transform: scale(0.92); }

/* ═══════════ 右键菜单 ═══════════ */
.context-menu {
  position: fixed;
  background: var(--c-bg);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  z-index: var(--z-modal);
  min-width: 160px;
  animation: ctxIn var(--dur-normal) var(--ease-bounce);
}
@keyframes ctxIn {
  from { opacity: 0; transform: scale(.95); }
  to { opacity: 1; transform: scale(1); }
}
.context-menu.show { display: block; }
.context-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: all var(--dur-fast) var(--ease-smooth);
}
.context-item:hover { background: var(--c-bg-hover); color: var(--c-text); }
.context-item.danger { color: var(--c-danger); }
.context-item.danger:hover { background: rgba(239,68,68,.06); }
.context-divider { height: 1px; background: var(--c-divider); margin: 4px 0; }

/* ═══════════ 边信息浮层 ═══════════ */
.line-label-floating {
  position: absolute;
  z-index: var(--z-dock);
  background: var(--c-bg);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-3);
  min-width: 200px;
  max-width: 320px;
  pointer-events: none;
}
.line-label-floating textarea {
  width: 100%;
  min-height: 60px;
  max-height: 200px;
  resize: vertical;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  pointer-events: auto;
  color: var(--c-text);
  transition: border-color var(--dur-normal);
  user-select: text;
  -webkit-user-select: text;
}
.line-label-floating textarea:focus { border-color: var(--c-accent); box-shadow: 0 0 0 2px rgba(37,99,235,.15); }
.line-label-floating-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  font-size: 10px;
  color: var(--c-text-muted);
}
.line-label-floating-close {
  border: none;
  background: transparent;
  color: var(--c-text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--r-xs);
  font-size: 12px;
  pointer-events: auto;
  transition: all var(--dur-fast);
}
.line-label-floating-close:hover { background: var(--c-bg-hover); color: var(--c-text); }

/* ═══════════ 连线样式 ═══════════ */
svg path.connection {
  fill: none;
  stroke: var(--c-edge);
  stroke-width: 2;
  pointer-events: none;
  cursor: pointer;
}
#lineSvg path[stroke="transparent"]:hover + path.connection { stroke: var(--c-accent); stroke-width: 3; }
svg path.connection.selected { stroke: var(--c-danger); stroke-width: 3; }
svg path.temp-line {
  fill: none;
  stroke: var(--c-accent);
  stroke-width: 2;
  stroke-dasharray: 8, 4;
}
svg marker { fill: var(--c-edge); }
svg marker.selected { fill: var(--c-danger); }

/* 连线类型选择弹窗 */
.link-type-menu {
  position: absolute;
  background: var(--c-bg);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-2);
  display: none;
  z-index: var(--z-dock);
}
.link-type-menu.show { display: block; }
.link-type-option {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--c-text-secondary);
  transition: all var(--dur-fast);
}
.link-type-option:hover { background: var(--c-bg-hover); }

/* ═══════════ 模态框 ═══════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.3);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(2px);
}
.modal-overlay.show { display: flex; }
.modal-box {
  width: 520px;
  max-width: 90vw;
  background: var(--c-bg);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-lg);
  animation: modalIn var(--dur-slow) var(--ease-bounce);
  max-height: 80vh;
  overflow-y: auto;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-box h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: var(--sp-4);
}
.modal-input {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  color: var(--c-text);
  margin-bottom: var(--sp-3);
  transition: border-color var(--dur-normal);
  user-select: text;
  -webkit-user-select: text;
}
.modal-input:focus { border-color: var(--c-accent); }
.modal-textarea {
  width: 100%;
  height: 160px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  color: var(--c-text);
  margin-bottom: var(--sp-3);
  resize: none;
  transition: border-color var(--dur-normal);
  user-select: text;
  -webkit-user-select: text;
}
.modal-textarea:focus { border-color: var(--c-accent); }
.modal-footer {
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
  margin-top: var(--sp-4);
}

/* ── 属性编辑器 ── */
.property-editor {
  background: var(--c-bg);
  border-radius: var(--r-md);
  padding: var(--sp-3);
  margin-top: var(--sp-2);
}
.property-editor h5 {
  font-size: 11px;
  color: var(--c-text-secondary);
  margin-bottom: var(--sp-2);
}
.property-input {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  color: var(--c-text);
  background: var(--c-bg);
  margin-bottom: var(--sp-2);
  transition: border-color var(--dur-normal);
  user-select: text;
  -webkit-user-select: text;
}
.property-input:focus { border-color: var(--c-accent); }

/* ── 类型选择器 ── */
.type-picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.type-picker-header h5 { font-size: 11px; color: var(--c-text-secondary); margin: 0; }
.type-picker-header .manage-link {
  font-size: 10px;
  color: var(--c-accent);
  cursor: pointer;
}
.type-picker-header .manage-link:hover { opacity: .7; }
.type-picker-container {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 120px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  margin-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}
.type-picker-container::-webkit-scrollbar { width: 4px; }
.type-picker-container::-webkit-scrollbar-track { background: transparent; }
.type-picker-container::-webkit-scrollbar-thumb { background: var(--c-bg-active); border-radius: 2px; }
.type-opt {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px;
  background: var(--c-bg-sunken);
  border-radius: var(--r-pill);
  font-size: 12px;
  color: var(--c-text-secondary);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
  user-select: none;
  margin: 2px;
  gap: 6px;
}
.type-opt:hover { background: var(--c-bg-active); }
.type-opt.active { background: var(--c-accent); color: #fff; }
.type-opt .type-del-btn {
  display: none;
  font-size: 10px;
  color: var(--c-danger);
  font-weight: bold;
  padding: 0 2px;
  border-radius: 50%;
  min-width: 14px;
  height: 14px;
  text-align: center;
  line-height: 14px;
  background: rgba(255,255,255,.3);
}
.type-opt:hover .type-del-btn { display: inline-block; }
.type-opt.active .type-del-btn { display: none; }

/* ── 标签选择 ── */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag-item {
  padding: 3px 8px;
  border-radius: var(--r-pill);
  font-size: 11px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--dur-fast);
  opacity: 0.55;
}
.tag-item.active { opacity: 1; border-color: currentColor; }
.tag-add-row { display: flex; gap: 4px; margin-top: 6px; }
.tag-add-row input {
  flex: 1;
  padding: 3px 8px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: 11px;
  outline: none;
  min-width: 0;
  color: var(--c-text);
}
.tag-add-row input:focus { border-color: var(--c-accent); }
.tag-add-row button {
  padding: 3px 10px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
}

/* ── 类型管理模态框 ── */
.type-manager-list {
  max-height: 240px;
  overflow-y: auto;
  margin-bottom: var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: var(--sp-2);
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}
.type-manager-list::-webkit-scrollbar { width: 6px; }
.type-manager-list::-webkit-scrollbar-track { background: transparent; }
.type-manager-list::-webkit-scrollbar-thumb { background: var(--c-bg-active); border-radius: 3px; }
.type-manager-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  margin-bottom: 4px;
}
.type-manager-item:hover { background: var(--c-bg-sunken); }
.type-manager-item .type-color-dot { width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; }
.type-manager-item .type-name { flex: 1; font-size: 13px; color: var(--c-text); }
.type-manager-item .type-actions { display: flex; gap: 4px; }
.type-manager-item .type-actions button {
  padding: 2px 8px;
  font-size: 11px;
  border: none;
  border-radius: var(--r-xs);
  cursor: pointer;
  background: var(--c-bg-sunken);
  color: var(--c-text-secondary);
}
.type-manager-item .type-actions button:hover { background: var(--c-bg-active); }
.type-manager-item .type-actions button.delete:hover { background: #fecaca; color: var(--c-danger); }
.type-manager-item.system .type-actions button.delete { opacity: 0.3; cursor: not-allowed; }
.add-type-row { display: flex; gap: 8px; margin-bottom: var(--sp-3); }
.add-type-row input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: 13px;
  outline: none;
  color: var(--c-text);
}
.add-type-row input:focus { border-color: var(--c-accent); }
.add-type-row button {
  padding: 6px 14px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13px;
}
.add-type-row button:hover { background: var(--c-accent-hover); }
.type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-size: 11px;
  color: #fff;
  background: var(--c-text-muted);
}

/* ═══════════ 提示信息 ═══════════ */
.toast {
  position: fixed;
  bottom: calc(var(--bottombar-h) + 24px);
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--c-text);
  color: var(--c-bg);
  padding: 10px 20px;
  border-radius: var(--r-pill);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-slow) var(--ease-smooth);
  z-index: var(--z-toast);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ═══════════ 画笔涂鸦 ═══════════ */
.drawing-path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ═══════════ 锚点候选 ═══════════ */
.anchor-candidate-dot {
  fill: var(--c-accent);
  stroke: var(--c-bg);
  stroke-width: 2;
  cursor: crosshair;
}

/* ═══════════ 响应式 ═══════════ */
@media (max-width: 768px) {
  .topbar {
    min-height: 48px;
    padding: 6px 10px;
    gap: 6px;
  }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    bottom: var(--bottombar-h);
    z-index: var(--z-sidebar);
    box-shadow: var(--shadow-lg);
    width: 200px;
  }
  /* 右栏移动端：fixed + 滑入/滑出 */
  .right-panel {
    position: fixed;
    top: var(--topbar-h);
    right: 0;
    bottom: var(--bottombar-h);
    z-index: var(--z-sidebar);
    box-shadow: var(--shadow-lg);
    width: 260px;
    transform: translateX(100%);
    transition: transform var(--dur-normal) var(--ease-smooth);
  }
  .right-panel.open {
    transform: translateX(0);
  }
  .rp-close-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--r-sm);
    background: rgba(0,0,0,.06);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
  }
  .modal-box { width: 90%; max-width: 320px; padding: var(--sp-4); }
  .modal-box h3 { font-size: 15px; }
  .zoom-btn { width: 40px; height: 40px; font-size: 20px; }
  .quick-bar { padding: 4px; gap: 3px; }
  .quick-btn { width: 44px; height: 44px; font-size: 14px; }
  .context-menu { min-width: 120px; }
  .context-item { padding: 8px 14px; }
  .canvas-layer { width: 2000px; height: 2000px; }
  .canvas-container { touch-action: none; -webkit-touch-callout: none; }
}
@media (max-width: 480px) {
  .topbar-title, .file-path, .mode-indicator { display: none; }
  .btn { padding: 5px 8px; font-size: 11px; min-height: 30px; }
  .sidebar { width: 180px; }
  .modal-box { width: 92%; max-width: 300px; }
}

/* ═══════════════════════════════════════════════════════
   fix4v2 — 内容大编辑弹窗 + 右栏展开按钮
   ═══════════════════════════════════════════════════════ */

/* fix4: 内容大编辑弹窗 — 更宽的 modal + 更大的 textarea */
.modal-box-wide {
  width: 90%;
  max-width: 560px;
}
.modal-textarea-large {
  height: 320px;
  resize: vertical;
}

/* fix4: 右栏 label + 展开按钮行 */
.rp-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.rp-expand-btn {
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 2px 8px;
  font-size: 11px;
  color: var(--c-text-secondary);
  cursor: pointer;
  transition: all var(--dur-normal);
}
.rp-expand-btn:hover {
  background: var(--c-bg-hover);
  color: var(--c-accent);
  border-color: var(--c-accent);
}

/* ============================================================================
 * fix8: 撤销/重做下拉面板
 * ============================================================================ */
.undo-redo-group {
  display: inline-flex;
  align-items: center;
  position: relative;
}
.undo-redo-group .btn {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
  margin-right: 0;
}
.dropdown-toggle {
  background: var(--c-bg-secondary);
  border: 1px solid var(--c-border);
  border-left: 1px solid var(--c-border);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 4px 6px;
  font-size: 11px;
  color: var(--c-text-secondary);
  cursor: pointer;
  line-height: 1;
  transition: all var(--dur-normal);
}
.dropdown-toggle:hover:not(:disabled) {
  background: var(--c-bg-hover);
  color: var(--c-accent);
}
.dropdown-toggle:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.history-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  min-width: 180px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-top: 4px;
  padding: 4px 0;
}
.history-item {
  padding: 6px 12px;
  font-size: 13px;
  color: var(--c-text);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background var(--dur-fast);
}
.history-item:hover {
  background: var(--c-bg-hover);
}
.history-item.current {
  font-weight: 600;
  color: var(--c-accent);
}
.history-empty {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--c-text-secondary);
  text-align: center;
}

/* ========== fix10: 拖拽视觉增强 ========== */
.node.dragging {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  opacity: 0.9;
  z-index: 1000;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  cursor: grabbing;
}
.sticky-note.dragging {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  opacity: 0.9;
  z-index: 1000;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  cursor: grabbing;
}
.node.multi-dragging {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  opacity: 0.85;
  z-index: 999;
}

/* ── fix12: 搜索节点弹窗 ─────────────────────────── */

.modal-box-narrow {
  max-width: 420px;
  width: 90%;
}

.search-node-list {
  max-height: 280px;
  overflow-y: auto;
  margin: 12px 0;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}

.search-node-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid #f3f4f6;
  transition: background 0.15s;
}

.search-node-item:last-child {
  border-bottom: none;
}

.search-node-item:hover {
  background: #f0f9ff;
}

.search-node-title {
  font-size: 14px;
  font-weight: 500;
  color: #111827;
  margin-bottom: 2px;
}

.search-node-type {
  font-size: 11px;
  color: #6b7280;
}

.search-node-empty {
  padding: 20px;
  text-align: center;
  color: #9ca3af;
  font-size: 13px;
}

/* fix12.1 DRAG-3: 拖拽中禁用 hover 的 transform 过渡，消除视觉弹跳 */
.node.dragging,
.node.dragging:hover {
  transform: scale(1.05) !important;
  transition: box-shadow var(--dur-normal) var(--ease-smooth), opacity 0.1s;
}
.sticky-note.dragging,
.sticky-note.dragging:hover {
  transform: scale(1.03) !important;
  transition: box-shadow var(--dur-normal) var(--ease-smooth), opacity 0.1s;
}

/* fix12.1 BUG-3: 节点标签样式 */
.node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 2px 8px 4px;
  margin-top: 2px;
}
.node-tag {
  font-size: 10px;
  color: var(--c-text-secondary, #94a3b8);
  background: rgba(0, 0, 0, 0.04);
  padding: 1px 6px;
  border-radius: 3px;
  line-height: 1.4;
}

/* ═══════════════════════════════════════════════════════
   fix13 A: 功能开关面板
   ═══════════════════════════════════════════════════════ */

/* ── 齿轮按钮 ── */
#settingsBtn {
  font-size: 18px;
  line-height: 1;
}

/* ── 设置面板遮罩 ── */
#settingsPanel {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(2px);
}

/* ── 设置面板主体 ── */
.settings-panel {
  background: var(--c-bg);
  border-radius: var(--r-lg);
  padding: 0;
  width: 360px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  animation: modalIn var(--dur-slow) var(--ease-bounce);
  overflow: hidden;
}

/* ── 面板头部 ── */
.settings-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--c-divider);
}
.settings-panel-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0;
}
#settingsPanelClose {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  color: var(--c-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast);
}
#settingsPanelClose:hover {
  background: var(--c-bg-hover);
  color: var(--c-text);
}

/* ── 设置项行 ── */
.settings-panel-body {
  padding: 12px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.settings-row-label {
  font-size: 13px;
  color: var(--c-text);
  flex-shrink: 0;
}
.settings-row-desc {
  font-size: 11px;
  color: var(--c-text-muted);
  margin-top: 2px;
}

/* ── Toggle 开关 ── */
.settings-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.settings-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.settings-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--c-bg-active);
  border-radius: 11px;
  cursor: pointer;
  transition: background var(--dur-normal);
}
.settings-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform var(--dur-normal);
}
.settings-toggle input:checked + .settings-toggle-slider {
  background: var(--c-accent);
}
.settings-toggle input:checked + .settings-toggle-slider::before {
  transform: translateX(18px);
}

/* ── 吸附阈值下拉 ── */
.settings-select {
  padding: 4px 8px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--c-text);
  background: var(--c-bg);
  outline: none;
  cursor: pointer;
  min-width: 70px;
  transition: border-color var(--dur-normal);
}
.settings-select:focus {
  border-color: var(--c-accent);
}

/* ═══════════════════════════════════════════════════════
   浮动窗口系统 (floating-windows.js)
   ═══════════════════════════════════════════════════════ */

/* ── 窗口层容器 ── */
#windowLayer {
  position: fixed;
  inset: 0;
  z-index: 750;
  pointer-events: none;
  overflow: hidden;
}

/* ── 最大化遮罩层 ── */
#maximizeOverlay {
  position: fixed;
  inset: 0;
  z-index: 760;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-smooth);
}
#maximizeOverlay.fw-overlay-visible {
  pointer-events: auto;
  opacity: 1;
}

/* ── 入口按钮 ── */
.fw-entry-btn {
  position: fixed;
  top: 56px;
  right: 16px;
  z-index: 620;
  width: 40px;
  height: 40px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  color: var(--c-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-fast) var(--ease-smooth);
}
.fw-entry-btn:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
}
.fw-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  background: var(--c-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

/* ── 菜单面板 ── */
.fw-menu-panel {
  position: fixed;
  z-index: 630;
  width: 220px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
}
.fw-menu-section {
  padding: 4px 0;
}
.fw-menu-section + .fw-menu-section {
  border-top: 1px solid var(--c-border);
  margin-top: 4px;
  padding-top: 4px;
}
.fw-menu-label {
  padding: 4px 14px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--c-text-muted);
}
.fw-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 14px;
  border: none;
  background: none;
  color: var(--c-text);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background var(--dur-fast);
}
.fw-menu-item:hover {
  background: var(--c-bg-secondary);
}
.fw-menu-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.fw-menu-empty {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--c-text-muted);
}
.fw-open-item {
  position: relative;
}
.fw-open-item.fw-active {
  color: var(--c-accent);
  font-weight: 500;
}
.fw-open-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fw-open-close {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--c-text-muted);
  opacity: 0;
  transition: all var(--dur-fast);
}
.fw-open-item:hover .fw-open-close {
  opacity: 1;
}
.fw-open-close:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ── 窗口 ── */
.fw-window {
  position: absolute;
  min-width: 280px;
  min-height: 200px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(48px) saturate(1.6);
  -webkit-backdrop-filter: blur(48px) saturate(1.6);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  pointer-events: auto;
  transition: box-shadow var(--dur-fast) var(--ease-smooth);
}
.fw-window.fw-active {
  box-shadow: var(--shadow-float, 0 8px 32px rgba(0,0,0,0.12));
}
.fw-window.fw-dragging {
  cursor: grabbing;
  user-select: none;
}
.fw-window.fw-resizing {
  user-select: none;
}

/* ── 最大化态 ── */
.fw-window.fw-maximized {
  left: 0 !important;
  top: var(--topbar-h) !important;
  width: 100vw !important;
  height: calc(100vh - var(--topbar-h)) !important;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(56px) saturate(1.8);
  -webkit-backdrop-filter: blur(56px) saturate(1.8);
}

/* ── 标题栏 ── */
.fw-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 38px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--c-border);
  cursor: grab;
  user-select: none;
}
.fw-titlebar:active {
  cursor: grabbing;
}
.fw-icon {
  font-size: 15px;
  flex-shrink: 0;
}
.fw-title {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fw-titlebar-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}
.fw-btn-max,
.fw-btn-close {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast);
}
.fw-btn-max:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--c-accent);
}
.fw-btn-close:hover {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
}

/* ── 窗口内容区 ── */
.fw-body {
  flex: 1;
  overflow: auto;
  padding: 16px;
}
.fw-placeholder {
  text-align: center;
  color: var(--c-text-muted);
  padding: 24px 0;
}
.fw-placeholder p {
  margin: 4px 0;
}
.fw-placeholder p:first-child {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text-secondary);
}
.fw-hint {
  font-size: 12px;
}

/* ── 8 方向缩放手柄 ── */
.rh {
  position: absolute;
  z-index: 1;
}
.rh-n { top: -3px; left: 8px; right: 8px; height: 6px; cursor: n-resize; }
.rh-s { bottom: -3px; left: 8px; right: 8px; height: 6px; cursor: s-resize; }
.rh-e { right: -3px; top: 8px; bottom: 8px; width: 6px; cursor: e-resize; }
.rh-w { left: -3px; top: 8px; bottom: 8px; width: 6px; cursor: w-resize; }
.rh-ne { top: -3px; right: -3px; width: 12px; height: 12px; cursor: ne-resize; }
.rh-nw { top: -3px; left: -3px; width: 12px; height: 12px; cursor: nw-resize; }
.rh-se { bottom: -3px; right: -3px; width: 12px; height: 12px; cursor: se-resize; }
.rh-sw { bottom: -3px; left: -3px; width: 12px; height: 12px; cursor: sw-resize; }

/* ════════════════════════════════════════════
   汉堡按钮 + 滑动抽屉 (hamburger-drawer.js)
   ════════════════════════════════════════════ */

/* ── 汉堡按钮 ── */
.fh-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--c-text-secondary, #666);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
  margin: 4px 8px;
}
.fh-hamburger:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--c-text-primary, #333);
}
.fh-hamburger-active {
  background: rgba(0, 0, 0, 0.08);
  color: var(--c-accent, #4f8cff);
}

/* ── 抽屉容器 ── */
.fh-drawer {
  position: absolute;
  left: 100%;
  top: 0;
  width: 220px;
  max-height: calc(100vh - 80px);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-radius: 0 12px 12px 0;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.08);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 720;
  transform: translateX(-10px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
  padding: 8px 0;
}
.fh-drawer-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* ── 抽屉分区 ── */
.fh-drawer-section {
  display: flex;
  flex-direction: column;
  padding: 4px 8px;
}
.fh-drawer-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--c-text-tertiary, #999);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 8px 4px;
}
.fh-drawer-divider {
  height: 1px;
  background: var(--c-border, #e5e5e5);
  margin: 4px 12px;
}

/* ── 抽屉项 ── */
.fh-drawer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--c-text-primary, #333);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.12s;
  text-align: left;
}
.fh-drawer-item:hover {
  background: rgba(0, 0, 0, 0.04);
}
.fh-drawer-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  color: var(--c-text-secondary, #666);
}
.fh-drawer-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── 侧边栏折叠时隐藏汉堡按钮 ── */
.sidebar.collapsed .fh-hamburger {
  display: none;
}
.sidebar.collapsed .fh-drawer {
  display: none;
}

/* ── 最小化按钮 ── */
.fw-btn-min {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast);
}
.fw-btn-min:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--c-accent);
}

/* ── 最小化态 ── */
.fw-window.fw-minimized {
  height: 38px !important;
  min-height: 38px !important;
  overflow: hidden;
}
.fw-window.fw-minimized .fw-body,
.fw-window.fw-minimized .rh {
  display: none;
}


/* ── 持久任务栏（Windows 风格） ── */
.fw-taskbar {
  position: fixed;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  z-index: 770;
  max-width: 80vw;
  overflow-x: auto;
}
.fw-taskbar:empty {
  display: none;
}
.fw-taskbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.04);
  color: var(--c-text-primary, #333);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, opacity 0.12s;
  position: relative;
}
.fw-taskbar-item.fw-taskbar-active {
  background: rgba(79, 134, 255, 0.12);
  color: var(--c-accent, #4f86ff);
}
.fw-taskbar-item.fw-taskbar-active::after {
  content: '';
  position: absolute;
  bottom: 1px;
  left: 25%;
  right: 25%;
  height: 2px;
  background: var(--c-accent, #4f86ff);
  border-radius: 1px;
}
.fw-taskbar-item.fw-taskbar-minimized {
  opacity: 0.5;
}
.fw-taskbar-item:hover {
  background: rgba(0, 0, 0, 0.08);
}
.fw-taskbar-icon {
  font-size: 14px;
}

/* ═══════════ 卡片编辑器 (.ce-*) ═══════════ */

.ce-root {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  overflow: hidden;
}

/* ── 工具栏 ── */
.ce-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-subtle);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.ce-tgroup {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.ce-tlabel {
  font-size: 12px;
  color: var(--c-text-secondary);
  white-space: nowrap;
}

.ce-select {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.ce-select-val {
  padding: 2px 6px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-xs);
  font-size: 13px;
  background: var(--c-bg);
  min-width: 48px;
  text-align: center;
}

.ce-select-val:hover {
  border-color: var(--c-accent);
}

.ce-select-arrow {
  font-size: 10px;
  color: var(--c-text-muted);
  margin-left: 2px;
}

.ce-select-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 800; /* 修复：下拉菜单被侧边栏遮挡 */
  /* 原值: var(--z-dropdown) */
  min-width: 80px;
  padding: var(--sp-1) 0;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-md);
}

.ce-select-opt {
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.ce-select-opt:hover {
  background: var(--c-bg-hover);
}

.ce-select-opt.active {
  color: var(--c-accent);
  font-weight: 500;
}

.ce-code-group {
  margin-left: auto;
}

.ce-code {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 12px;
  color: var(--c-text-muted);
  background: var(--c-bg-sunken);
  padding: 2px 8px;
  border-radius: var(--r-xs);
}

.ce-save-group {
  flex-shrink: 0;
}

.ce-save-status {
  font-size: 14px;
  color: var(--c-text-muted);
  transition: color var(--dur-normal) var(--ease-smooth);
}

/* ── 编辑区 ── */
.ce-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4);
}

.ce-content {
  min-height: 120px;
  outline: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
  word-break: break-word;
}

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

/* ── 标签行 ── */
.ce-tags-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--c-divider);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.ce-tags-label {
  font-size: 12px;
  color: var(--c-text-muted);
  flex-shrink: 0;
}

.ce-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

.ce-tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 1px 8px;
  font-size: 12px;
  background: var(--c-bg-sunken);
  border-radius: var(--r-pill);
  color: var(--c-text-secondary);
  white-space: nowrap;
}

.ce-tag-x {
  cursor: pointer;
  font-size: 11px;
  color: var(--c-text-muted);
  margin-left: 2px;
  line-height: 1;
}

.ce-tag-x:hover {
  color: var(--c-danger);
}

.ce-tag-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 12px;
  color: var(--c-text);
  min-width: 80px;
  flex: 1;
  padding: 2px 0;
}

.ce-tag-input::placeholder {
  color: var(--c-text-muted);
}

/* ── 底栏 ── */
.ce-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-subtle);
  flex-shrink: 0;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.ce-footer-left {
  font-size: 12px;
  color: var(--c-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.ce-footer-right {
  display: flex;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.ce-fbtn {
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.ce-fbtn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.ce-fbtn-save {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.ce-fbtn-save:hover {
  background: var(--c-accent-hover);
  color: #fff;
}

.ce-fbtn-close:hover {
  border-color: var(--c-danger);
  color: var(--c-danger);
}

/* ═══════════ 盒子管理器 (.bm-*) ═══════════ */

.bm-root {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  overflow: hidden;
}

.bm-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── 左侧面板 ── */
.bm-sidebar {
  width: 180px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--c-border);
  background: var(--c-bg-subtle);
}

.bm-search-row {
  padding: var(--sp-2);
  border-bottom: 1px solid var(--c-divider);
}

.bm-search {
  width: 100%;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  color: var(--c-text);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-smooth);
}

.bm-search:focus {
  border-color: var(--c-accent);
}

.bm-search::placeholder {
  color: var(--c-text-muted);
}

.bm-box-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-1);
}

.bm-box-empty {
  padding: var(--sp-4);
  text-align: center;
  font-size: 12px;
  color: var(--c-text-muted);
}

.bm-box-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 8px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--c-text-secondary);
  transition: all var(--dur-fast) var(--ease-smooth);
}

.bm-box-item:hover {
  background: var(--c-bg-hover);
  color: var(--c-text);
}

.bm-box-item.active {
  background: var(--c-bg-active);
  color: var(--c-accent);
  font-weight: 500;
}

.bm-box-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.bm-box-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bm-new-box-btn {
  margin: var(--sp-2);
  padding: 6px;
  font-size: 12px;
  border: 1px dashed var(--c-border);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.bm-new-box-btn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* ── 右侧主区域 ── */
.bm-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.bm-box-info {
  padding: var(--sp-3);
  border-bottom: 1px solid var(--c-divider);
  flex-shrink: 0;
}

.bm-box-info-empty {
  padding: var(--sp-4);
  text-align: center;
  font-size: 13px;
  color: var(--c-text-muted);
}

.bm-bi-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}

.bm-bi-name {
  flex: 1;
  padding: 4px 8px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--c-text);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-smooth);
}

.bm-bi-name:hover {
  border-color: var(--c-border);
}

.bm-bi-name:focus {
  border-color: var(--c-accent);
  background: var(--c-bg);
}

.bm-bi-code {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 11px;
  color: var(--c-text-muted);
  background: var(--c-bg-sunken);
  padding: 2px 6px;
  border-radius: var(--r-xs);
  flex-shrink: 0;
}

.bm-bi-desc {
  width: 100%;
  min-height: 40px;
  max-height: 80px;
  padding: 4px 8px;
  font-size: 13px;
  border: 1px solid transparent;
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--c-text-secondary);
  outline: none;
  resize: vertical;
  font-family: inherit;
  transition: border-color var(--dur-fast) var(--ease-smooth);
}

.bm-bi-desc:hover {
  border-color: var(--c-border);
}

.bm-bi-desc:focus {
  border-color: var(--c-accent);
  background: var(--c-bg);
}

.bm-bi-desc::placeholder {
  color: var(--c-text-muted);
}

.bm-bi-meta {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-1);
  font-size: 11px;
  color: var(--c-text-muted);
}

/* ── 卡片区 ── */
.bm-cards-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3);
}

.bm-cards-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-3);
}

.bm-cards-count {
  font-size: 12px;
  color: var(--c-text-muted);
}

.bm-view-toggle {
  display: flex;
  gap: 2px;
  background: var(--c-bg-sunken);
  border-radius: var(--r-xs);
  padding: 2px;
}

.bm-view-btn {
  padding: 2px 8px;
  font-size: 13px;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.bm-view-btn:hover {
  color: var(--c-text);
}

.bm-view-btn.active {
  background: var(--c-bg);
  color: var(--c-accent);
  box-shadow: var(--shadow-sm);
}

/* ── 网格视图 ── */
.bm-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--sp-3);
}

.bm-cards-empty {
  grid-column: 1 / -1;
  padding: var(--sp-8);
  text-align: center;
  font-size: 13px;
  color: var(--c-text-muted);
}

.bm-card-thumb {
  aspect-ratio: 3/4;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg-subtle);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.bm-card-thumb:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.bm-card-type-badge {
  padding: 2px 6px;
  font-size: 10px;
  color: var(--c-accent);
  background: rgba(37,99,235,.08);
  text-align: center;
  font-weight: 500;
}

.bm-card-preview {
  flex: 1;
  padding: var(--sp-2);
  font-size: 11px;
  color: var(--c-text-secondary);
  line-height: 1.4;
  overflow: hidden;
  word-break: break-all;
}

.bm-card-label {
  padding: 2px 6px;
  font-size: 10px;
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  color: var(--c-text-muted);
  background: var(--c-bg-sunken);
  text-align: center;
  border-top: 1px solid var(--c-divider);
}

/* ── 列表视图 ── */
.bm-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.bm-card-row {
  display: grid;
  grid-template-columns: 80px 60px 60px 1fr;
  gap: var(--sp-2);
  align-items: center;
  padding: 6px 8px;
  border-radius: var(--r-xs);
  cursor: pointer;
  font-size: 12px;
  transition: background var(--dur-fast) var(--ease-smooth);
}

.bm-card-row:hover {
  background: var(--c-bg-hover);
}

.bm-card-row-code {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  color: var(--c-text-muted);
  font-size: 11px;
}

.bm-card-row-type {
  color: var(--c-accent);
  font-size: 11px;
}

.bm-card-row-media {
  color: var(--c-text-muted);
  font-size: 11px;
}

.bm-card-row-preview {
  color: var(--c-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── 底栏 ── */
.bm-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-subtle);
  flex-shrink: 0;
}

.bm-footer-info {
  font-size: 12px;
  color: var(--c-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bm-fbtn {
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.bm-fbtn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* ── 移动端适配 ── */
@media (max-width: 600px) {
  .bm-layout {
    flex-direction: column;
  }
  .bm-sidebar {
    width: 100%;
    max-height: 140px;
    border-right: none;
    border-bottom: 1px solid var(--c-border);
  }
  .bm-card-row {
    grid-template-columns: 70px 50px 1fr;
  }
  .bm-card-row-media {
    display: none;
  }
}

/* ═══════════ 用户认证系统样式 (auth1) ═══════════ */

/* 用户区域（左上角） */
.user-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--dur-fast);
  position: relative;
}

.user-area:hover {
  background: var(--c-bg-hover);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
}

/* avatar 背景图样式由 JS 动态设置 */

.user-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 160px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  z-index: 800; /* 修复：下拉菜单被侧边栏遮挡 */
  /* 原值: var(--z-dropdown) */
  overflow: hidden;
}

.user-dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 16px;
  text-align: left;
  background: none;
  border: none;
  font-size: 14px;
  color: var(--c-text);
  cursor: pointer;
  transition: background var(--dur-fast);
}

.user-dropdown-item:hover {
  background: var(--c-bg-hover);
}

.user-dropdown-item.danger {
  color: var(--c-danger);
}

.user-dropdown-item.danger:hover {
  background: var(--c-danger-bg, rgba(239, 68, 68, 0.1));
}

.user-dropdown-divider {
  height: 1px;
  background: var(--c-border);
  margin: 4px 0;
}

/* 登录遮罩 */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.login-card {
  background: var(--c-bg);
  border-radius: var(--r-lg);
  padding: 32px;
  width: 320px;
  box-shadow: var(--shadow-xl);
}

.login-title {
  margin: 0 0 24px;
  font-size: 24px;
  font-weight: 600;
  color: var(--c-text);
  text-align: center;
}

.login-input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: 14px;
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color var(--dur-fast);
}

.login-input:focus {
  outline: none;
  border-color: var(--c-accent);
}

.login-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 500;
}

.login-switch {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--c-text-muted);
}

.login-switch a {
  color: var(--c-accent);
  cursor: pointer;
  text-decoration: none;
}

.login-switch a:hover {
  text-decoration: underline;
}

.login-error {
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--c-danger-bg, rgba(239, 68, 68, 0.1));
  color: var(--c-danger);
  border-radius: var(--r-sm);
  font-size: 13px;
}

/* ═══ Patch: admin-panel + data-backup + hamburger-drawer 补充样式 ═══ */
/* ═══════════════════════════════════════════════════════════
   VWDG Patch Styles — Pure White Borderless Theme
   Covers: hamburger-drawer (2), admin-panel (~47), data-backup (~36)
   Uses CSS variables from :root in style.css
   ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────
   1. Hamburger-drawer additions
   ───────────────────────────────────────────────────────── */

.fh-drawer-footer {
  display: flex;
  justify-content: center;
  padding: 12px 16px 8px;
}

.fh-reset-btn {
  background: none;
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  padding: 6px 14px;
  font-size: 12px;
  color: var(--c-text-secondary, #6b6b6b);
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.fh-reset-btn:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  color: var(--c-text, #1a1a1a);
  border-color: rgba(0,0,0,.15);
}
.fh-reset-btn:active {
  background: var(--c-bg-active, rgba(0,0,0,.08));
}

/* ─────────────────────────────────────────────────────────
   2. Admin-panel
   ───────────────────────────────────────────────────────── */

/* ── Layout ── */

.admin-panel {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
  background: var(--c-bg, #ffffff);
  flex-shrink: 0;
  min-height: 44px;
}

.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* ── Tabs ── */

.admin-tabs {
  display: flex;
  gap: 2px;
  overflow-x: auto;
}

.admin-tab {
  position: relative;
  background: none;
  border: none;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-secondary, #6b6b6b);
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s ease;
  border-bottom: 2px solid transparent;
}
.admin-tab:hover {
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg-hover, rgba(0,0,0,.04));
}
.admin-tab.active {
  color: var(--c-accent, #2563eb);
  border-bottom-color: var(--c-accent, #2563eb);
  font-weight: 600;
}

/* ── Unlock area ── */

.admin-unlock-area {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 12px;
}

.admin-unlock-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--r-pill, 999px);
  border: none;
  cursor: default;
  white-space: nowrap;
}
.admin-unlocked {
  background: rgba(16, 185, 129, .1);
  color: var(--c-success, #10b981);
}
.admin-locked {
  background: rgba(239, 68, 68, .08);
  color: var(--c-danger, #ef4444);
  cursor: pointer;
  transition: background .2s ease;
}
.admin-locked:hover {
  background: rgba(239, 68, 68, .15);
}

.admin-unlock-dialog {
  max-width: 420px;
  margin: 60px auto;
  padding: 32px;
  background: var(--c-bg, #ffffff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-lg, 16px);
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.08));
}
.admin-unlock-dialog h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
}
.admin-unlock-dialog p {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
}

/* ── Modal overlay (shared) ── */

.admin-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .35);
  backdrop-filter: blur(2px);
  animation: admin-overlay-in .15s ease;
}
@keyframes admin-overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.admin-modal {
  background: var(--c-bg, #ffffff);
  border-radius: var(--r-lg, 16px);
  box-shadow: var(--shadow-lg, 0 12px 32px rgba(0,0,0,.12));
  padding: 28px;
  max-width: 600px;
  width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  animation: admin-modal-in .2s ease;
}
@keyframes admin-modal-in {
  from { opacity: 0; transform: translateY(12px) scale(.97); }
  to { opacity: 1; transform: none; }
}
.admin-modal h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
}

/* ── Sections ── */

.admin-section {
  margin-bottom: 24px;
}

.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.admin-section-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
}

/* ── Tables ── */

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-md, 10px);
  background: var(--c-bg, #ffffff);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table thead {
  background: var(--c-bg-subtle, #fafafa);
}
.admin-table th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--c-text-secondary, #6b6b6b);
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
  white-space: nowrap;
}
.admin-table td {
  padding: 10px 14px;
  color: var(--c-text, #1a1a1a);
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
  vertical-align: middle;
}
.admin-table tbody tr:last-child td {
  border-bottom: none;
}
.admin-table tbody tr:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
}

.admin-cell-ellipsis {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-empty-cell {
  color: var(--c-text-muted, #999999);
  font-style: italic;
}

/* ── Buttons ── */

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--r-sm, 6px);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
  line-height: 1.4;
}

/* Primary variant */
.admin-btn.primary,
.admin-btn-primary {
  background: var(--c-accent, #2563eb);
  color: #ffffff;
  border-color: var(--c-accent, #2563eb);
}
.admin-btn.primary:hover,
.admin-btn-primary:hover {
  background: var(--c-accent-hover, #1d4ed8);
  border-color: var(--c-accent-hover, #1d4ed8);
}

/* Secondary / default variant */
.admin-btn.secondary,
.admin-btn-default {
  background: var(--c-bg, #ffffff);
  color: var(--c-text, #1a1a1a);
  border-color: var(--c-border, rgba(0,0,0,.08));
}
.admin-btn.secondary:hover,
.admin-btn-default:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  border-color: rgba(0,0,0,.15);
}

/* Danger variant */
.admin-btn-danger {
  background: var(--c-danger, #ef4444);
  color: #ffffff;
  border-color: var(--c-danger, #ef4444);
}
.admin-btn-danger:hover {
  background: var(--c-danger-hover, #dc2626);
  border-color: var(--c-danger-hover, #dc2626);
}

/* Success variant */
.admin-btn-success {
  background: var(--c-success, #10b981);
  color: #ffffff;
  border-color: var(--c-success, #10b981);
}
.admin-btn-success:hover {
  background: #059669;
  border-color: #059669;
}

/* Warning variant */
.admin-btn-warn {
  background: #f59e0b;
  color: #ffffff;
  border-color: #f59e0b;
}
.admin-btn-warn:hover {
  background: #d97706;
  border-color: #d97706;
}

/* Info variant */
.admin-btn-info {
  background: #0ea5e9;
  color: #ffffff;
  border-color: #0ea5e9;
}
.admin-btn-info:hover {
  background: #0284c7;
  border-color: #0284c7;
}

/* Small button */
.admin-btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--r-xs, 4px);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  background: var(--c-bg, #ffffff);
  color: var(--c-text, #1a1a1a);
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
  line-height: 1.4;
}
.admin-btn-sm:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  border-color: rgba(0,0,0,.15);
}
/* small + color variants */
.admin-btn-sm.admin-btn-default { }
.admin-btn-sm.admin-btn-primary {
  background: var(--c-accent, #2563eb);
  color: #fff;
  border-color: var(--c-accent, #2563eb);
}
.admin-btn-sm.admin-btn-primary:hover {
  background: var(--c-accent-hover, #1d4ed8);
}
.admin-btn-sm.admin-btn-info {
  background: #0ea5e9;
  color: #fff;
  border-color: #0ea5e9;
}
.admin-btn-sm.admin-btn-info:hover {
  background: #0284c7;
}
.admin-btn-sm.admin-btn-success {
  background: var(--c-success, #10b981);
  color: #fff;
  border-color: var(--c-success, #10b981);
}
.admin-btn-sm.admin-btn-success:hover {
  background: #059669;
}
.admin-btn-sm.admin-btn-danger {
  background: var(--c-danger, #ef4444);
  color: #fff;
  border-color: var(--c-danger, #ef4444);
}
.admin-btn-sm.admin-btn-danger:hover {
  background: var(--c-danger-hover, #dc2626);
}
.admin-btn-sm.admin-btn-warn {
  background: #f59e0b;
  color: #fff;
  border-color: #f59e0b;
}
.admin-btn-sm.admin-btn-warn:hover {
  background: #d97706;
}

/* ── Inputs ── */

.admin-input {
  display: block;
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg, #ffffff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-sizing: border-box;
  line-height: 1.5;
}
.admin-input:focus {
  border-color: var(--c-accent, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}
.admin-input::placeholder {
  color: var(--c-text-muted, #999999);
}

.admin-select {
  display: block;
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg, #ffffff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  outline: none;
  cursor: pointer;
  appearance: auto;
}
.admin-select:focus {
  border-color: var(--c-accent, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}

.admin-textarea {
  min-height: 80px;
  resize: vertical;
  font-family: inherit;
}

/* ── Tags ── */

.admin-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--r-pill, 999px);
  background: var(--c-bg-sunken, #f5f5f5);
  color: var(--c-text-secondary, #6b6b6b);
  white-space: nowrap;
}

/* ── Form actions ── */

.admin-ann-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* ── Stats / Dashboard ── */

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.admin-stat-card {
  background: var(--c-bg, #ffffff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-md, 10px);
  padding: 16px;
  text-align: center;
  transition: box-shadow .2s ease;
}
.admin-stat-card:hover {
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
}

.admin-stat-number {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-text, #1a1a1a);
  line-height: 1.2;
}

.admin-stat-label {
  display: block;
  font-size: 12px;
  color: var(--c-text-secondary, #6b6b6b);
  margin-top: 4px;
}

/* ── Permission management ── */

.admin-perm-form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-perm-group {
  margin-bottom: 20px;
}

.admin-perm-group-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.admin-perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.admin-perm-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--c-text, #1a1a1a);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  transition: all .15s ease;
  background: var(--c-bg, #ffffff);
}
.admin-perm-check:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  border-color: rgba(0,0,0,.15);
}
.admin-perm-check input[type="checkbox"] {
  accent-color: var(--c-accent, #2563eb);
}

.admin-perm-hint {
  font-size: 12px;
  color: var(--c-text-muted, #999999);
  margin-top: 4px;
}

.admin-perm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Checkboxes ── */

.user-select-cb,
.restriction-feature-cb {
  accent-color: var(--c-accent, #2563eb);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

/* ── Restriction buttons ── */

.remove-restriction-btn {
  font-size: 12px;
}

/* ── States ── */

.admin-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  font-size: 14px;
  color: var(--c-text-muted, #999999);
}

.admin-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  font-size: 14px;
  color: var(--c-text-muted, #999999);
}

/* ─────────────────────────────────────────────────────────
   3. Data-backup
   ───────────────────────────────────────────────────────── */

/* ── Container ── */

.data-backup-container {
  max-width: 680px;
  margin: 0 auto;
}

.profile-container {
  padding: 0;
}

/* ── Sections ── */

.db-section {
  margin-bottom: 28px;
}

.db-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text, #1a1a1a);
  margin: 0 0 6px;
}

.db-section-subtitle {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
  margin: 0 0 8px;
}

.db-section-info {
  padding: 20px;
  background: var(--c-bg-subtle, #fafafa);
  border-radius: var(--r-md, 10px);
  border: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-desc {
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
  margin: 0 0 4px;
  line-height: 1.6;
}

.db-hint {
  font-size: 12px;
  color: var(--c-text-muted, #999999);
  margin: 0 0 12px;
  line-height: 1.5;
}

/* ── Buttons ── */

.db-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--r-sm, 6px);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
  line-height: 1.4;
}

.db-btn-primary {
  background: var(--c-accent, #2563eb);
  color: #ffffff;
  border-color: var(--c-accent, #2563eb);
}
.db-btn-primary:hover {
  background: var(--c-accent-hover, #1d4ed8);
  border-color: var(--c-accent-hover, #1d4ed8);
}

.db-btn-confirm {
  background: var(--c-accent, #2563eb);
  color: #ffffff;
  border-color: var(--c-accent, #2563eb);
  padding: 8px 20px;
}
.db-btn-confirm:hover {
  background: var(--c-accent-hover, #1d4ed8);
  border-color: var(--c-accent-hover, #1d4ed8);
}

.db-btn-cancel {
  background: var(--c-bg, #ffffff);
  color: var(--c-text, #1a1a1a);
  border-color: var(--c-border, rgba(0,0,0,.08));
  padding: 8px 20px;
}
.db-btn-cancel:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  border-color: rgba(0,0,0,.15);
}

/* ── Status bar ── */

.db-status {
  padding: 10px 14px;
  font-size: 13px;
  border-radius: var(--r-sm, 6px);
  margin-bottom: 20px;
  min-height: 20px;
  transition: all .2s ease;
}
.db-status:empty {
  display: none;
}
.db-status-idle {
  background: var(--c-bg-sunken, #f5f5f5);
  color: var(--c-text-secondary, #6b6b6b);
}
.db-status-saving {
  background: rgba(37, 99, 235, .08);
  color: var(--c-accent, #2563eb);
}
.db-status-success {
  background: rgba(16, 185, 129, .08);
  color: var(--c-success, #10b981);
}
.db-status-error {
  background: rgba(239, 68, 68, .08);
  color: var(--c-danger, #ef4444);
}

/* ── Data protection layers ── */

.db-layers {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.db-layer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
  background: var(--c-bg, #ffffff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  transition: all .2s ease;
}

.db-layer-active {
  border-color: var(--c-accent, #2563eb);
  background: rgba(37, 99, 235, .04);
  color: var(--c-accent, #2563eb);
  font-weight: 500;
}

.db-layer-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-xs, 4px);
  background: var(--c-bg-sunken, #f5f5f5);
  color: var(--c-text-secondary, #6b6b6b);
  flex-shrink: 0;
}
.db-layer-active .db-layer-badge {
  background: var(--c-accent, #2563eb);
  color: #ffffff;
}

/* ── Preview panel ── */

.db-preview {
  margin-bottom: 20px;
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-md, 10px);
  background: var(--c-bg, #ffffff);
  overflow: hidden;
}

.db-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--c-bg-subtle, #fafafa);
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-preview-title {
  /* alias — used in some renderings but actual content uses db-preview-header */
}

.db-preview-file {
  font-size: 12px;
  color: var(--c-text-muted, #999999);
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

.db-preview-summary {
  padding: 10px 18px;
  font-size: 12px;
  color: var(--c-text-secondary, #6b6b6b);
  background: var(--c-bg, #ffffff);
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-preview-canvas-list {
  padding: 8px 18px;
}

.db-preview-canvas-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}
.db-preview-canvas-item:last-child {
  border-bottom: none;
}

.db-preview-canvas-key {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text, #1a1a1a);
  font-family: monospace;
}

.db-preview-canvas-stats {
  font-size: 12px;
  color: var(--c-text-muted, #999999);
}

.db-preview-current {
  padding: 10px 18px;
  font-size: 12px;
  color: var(--c-text-secondary, #6b6b6b);
  background: var(--c-bg-sunken, #f5f5f5);
  border-top: 1px solid var(--c-divider, rgba(0,0,0,.06));
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-preview-hint {
  padding: 10px 18px;
  font-size: 12px;
  color: #d97706;
  background: rgba(245, 158, 11, .06);
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-preview-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 18px;
}

/* ── Import mode selector ── */

.db-import-mode {
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.db-import-mode-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
  margin-bottom: 10px;
}

.db-import-mode-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 6px;
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  transition: all .15s ease;
  background: var(--c-bg, #ffffff);
}
.db-import-mode-option:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
  border-color: rgba(0,0,0,.15);
}
.db-import-mode-option input[type="radio"] {
  margin-top: 2px;
  accent-color: var(--c-accent, #2563eb);
  flex-shrink: 0;
}

.db-import-mode-text {
  font-size: 13px;
  color: var(--c-text, #1a1a1a);
  line-height: 1.5;
}
.db-import-mode-text strong {
  color: var(--c-text, #1a1a1a);
}

/* ═══════════ 总览样式 ═══════════ */

.overview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.overview-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.admin-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.admin-badge-super {
    background: #1a1a1a;
    color: #fff;
}

.admin-badge-role {
    background: #e5e7eb;
    color: #374151;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.overview-card {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.overview-card-title {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 8px;
}

.overview-card-value {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    line-height: 1;
}

.overview-card-detail {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 6px;
}

.overview-section {
    margin-top: 24px;
}

.overview-section h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 12px;
    color: #374151;
}

/* === 右栏跳转样式 === */
.rp-jump-btn {
  background: none;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 4px;
  padding: 1px 8px;
  font-size: 11px;
  color: var(--muted-foreground, #888);
  cursor: pointer;
  transition: all 0.15s;
}
.rp-jump-btn:hover {
  color: var(--primary, #333);
  border-color: var(--primary, #333);
  background: var(--bg-secondary, #f5f5f5);
}
.rp-jump-node {
  cursor: pointer;
  border-bottom: 1px dashed var(--muted-foreground, #888);
  transition: color 0.15s;
}
.rp-jump-node:hover {
  color: var(--primary, #333);
  border-bottom-color: var(--primary, #333);
}
.rp-arrow {
  color: var(--muted-foreground, #888);
  margin: 0 4px;
}

/* ═══════════ 画布管理器 (canvas-manager) ═══════════ */

.cm-container {
    padding: 12px;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e7eb;
}

.cm-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
}

.cm-count {
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 8px;
}

.cm-list {
    flex: 1;
    overflow-y: auto;
}

.cm-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    margin-bottom: 6px;
    background: #fff;
    transition: all 0.15s;
}

.cm-item:hover {
    border-color: #d1d5db;
    background: #f9fafb;
}

.cm-item-active {
    border-color: #4f46e5;
    background: #f5f3ff;
}

.cm-item-main {
    flex: 1;
    min-width: 0;
}

.cm-item-name {
    font-size: 13px;
    font-weight: 500;
    color: #111827;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cm-item-time {
    font-size: 11px;
    color: #9ca3af;
    margin-top: 2px;
}

.cm-item-actions {
    display: flex;
    gap: 6px;
    margin-left: 8px;
}

.cm-current-tag {
    display: inline-block;
    padding: 1px 6px;
    font-size: 10px;
    color: #4f46e5;
    background: #eef2ff;
    border-radius: 3px;
    margin-left: 6px;
}

.cm-btn {
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    background: #fff;
    color: #374151;
    cursor: pointer;
    transition: all 0.15s;
}

.cm-btn:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.cm-btn-new {
    background: #4f46e5;
    color: #fff;
    border-color: #4f46e5;
}

.cm-btn-new:hover {
    background: #4338ca;
}

.cm-btn-switch {
    background: #10b981;
    color: #fff;
    border-color: #10b981;
}

.cm-btn-switch:hover {
    background: #059669;
}

.cm-btn-rename {
    font-size: 11px;
    padding: 3px 8px;
}

.cm-btn-delete {
    color: #ef4444;
    border-color: #fecaca;
}

.cm-btn-delete:hover {
    background: #fef2f2;
    border-color: #ef4444;
}

.cm-loading, .cm-error {
    text-align: center;
    padding: 20px;
    color: #6b7280;
    font-size: 13px;
}

/* ═══ v3 卡片式视觉风格 (profile + settings) ═══ */
/* ═══════════════════════════════════════════════════════
   v3 — 个人页 & 设置页 卡片式视觉风格
   ═══════════════════════════════════════════════════════ */

/* ── 通用卡片容器 ── */
.v3-profile-page,
.v3-settings-page {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3, 12px);
  padding: var(--sp-3, 12px);
  max-width: 600px;
  margin: 0 auto;
}

.v3-section-card,
.v3-settings-card {
  background: var(--c-bg, #fff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-md, 10px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
  padding: var(--sp-3, 12px) var(--sp-4, 16px);
  transition: box-shadow var(--dur-normal, 200ms) var(--ease-smooth, cubic-bezier(.4,0,.2,1)),
              transform var(--dur-normal, 200ms) var(--ease-smooth, cubic-bezier(.4,0,.2,1));
}

.v3-section-card:hover,
.v3-settings-card:hover {
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.08));
  transform: translateY(-1px);
}

.v3-section-title,
.v3-settings-card-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2, 8px);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-secondary, #6b6b6b);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-2, 8px);
}

.v3-section-title svg,
.v3-settings-card-title svg {
  opacity: 0.6;
}

/* ── Hero 卡片 ── */
.v3-hero-card {
  display: flex;
  align-items: center;
  gap: var(--sp-3, 12px);
  background: var(--c-bg, #fff);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-lg, 16px);
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.08));
  padding: var(--sp-4, 16px) var(--sp-4, 16px);
  position: relative;
}

.v3-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.v3-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-bg-sunken, #f5f5f5);
  border: 2px solid var(--c-border, rgba(0,0,0,.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text-secondary, #6b6b6b);
  overflow: hidden;
  transition: border-color var(--dur-normal, 200ms);
}

.v3-avatar.has-image {
  border-color: var(--c-accent, #2563eb);
}

.v3-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.v3-avatar-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: pointer;
  transition: opacity var(--dur-normal, 200ms);
  color: #fff;
}

.v3-avatar-wrap:hover .v3-avatar-overlay {
  opacity: 1;
}

.v3-hero-info {
  flex: 1;
  min-width: 0;
}

.v3-hero-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text, #1a1a1a);
  margin: 0 0 2px 0;
  line-height: 1.3;
}

.v3-hero-bio {
  font-size: 13px;
  color: var(--c-text-muted, #999);
  margin: 0;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.v3-edit-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-bg, #fff);
  background: var(--c-text, #1a1a1a);
  border: none;
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  transition: opacity var(--dur-fast, 100ms), transform var(--dur-fast, 100ms);
  flex-shrink: 0;
  white-space: nowrap;
}

.v3-edit-btn:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.v3-edit-btn:active {
  transform: scale(0.98);
}

/* ── 统计网格 ── */
.v3-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2, 8px);
}

.v3-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--sp-2, 8px) var(--sp-1, 4px);
  border-radius: var(--r-sm, 6px);
  background: var(--c-bg-subtle, #fafafa);
  transition: background var(--dur-normal, 200ms);
}

.v3-stat-item:hover {
  background: var(--c-bg-sunken, #f5f5f5);
}

.v3-stat-icon {
  color: var(--c-text-muted, #999);
  display: flex;
}

.v3-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-text, #1a1a1a);
  line-height: 1;
}

.v3-stat-label {
  font-size: 11px;
  color: var(--c-text-muted, #999);
}

/* ── 邀请码 ── */
.v3-invite-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2, 8px);
}

.v3-invite-code {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
  letter-spacing: 1px;
}

.v3-copy-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--c-accent, #2563eb);
  background: transparent;
  border: 1px solid var(--c-accent, #2563eb);
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  transition: background var(--dur-fast, 100ms), color var(--dur-fast, 100ms);
}

.v3-copy-btn:hover {
  background: var(--c-accent, #2563eb);
  color: #fff;
}

/* ── 账号信息列表 ── */
.v3-info-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.v3-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.v3-info-row:last-child {
  border-bottom: none;
}

.v3-info-label {
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
}

.v3-info-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text, #1a1a1a);
}

/* ── 最近卡片 ── */
.v3-recent-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-2, 8px);
}

.v3-recent-item {
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--dur-normal, 200ms), transform var(--dur-normal, 200ms);
}

.v3-recent-item:hover {
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
  transform: translateY(-1px);
}

.v3-recent-thumb {
  height: 60px;
}

.v3-recent-info {
  padding: 8px 10px;
}

.v3-recent-name {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text, #1a1a1a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.v3-recent-date {
  display: block;
  font-size: 11px;
  color: var(--c-text-muted, #999);
  margin-top: 2px;
}

.v3-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: var(--c-text-muted, #999);
}

/* ═══════════════════════════════════
   设置页 v3
   ═══════════════════════════════════ */

/* ── Toggle 开关 ── */
.v3-toggle-row,
.v3-notif-row,
.v3-privacy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.v3-toggle-row:last-child,
.v3-notif-row:last-child,
.v3-privacy-row:last-child {
  border-bottom: none;
}

.v3-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2, 8px);
  font-size: 14px;
  color: var(--c-text, #1a1a1a);
}

.v3-toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--c-bg-sunken, #e5e5e5);
  cursor: pointer;
  transition: background var(--dur-normal, 200ms);
  flex-shrink: 0;
}

.v3-toggle-switch.active {
  background: var(--c-accent, #2563eb);
}

.v3-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  transition: transform var(--dur-normal, 200ms) var(--ease-smooth, cubic-bezier(.4,0,.2,1));
}

.v3-toggle-switch.active .v3-toggle-thumb {
  transform: translateX(20px);
}

.v3-toggle-sm {
  width: 36px;
  height: 20px;
  border-radius: 10px;
}

.v3-toggle-sm .v3-toggle-thumb {
  width: 16px;
  height: 16px;
  top: 2px;
  left: 2px;
}

.v3-toggle-sm.active .v3-toggle-thumb {
  transform: translateX(16px);
}

/* ── 通知行 ── */
.v3-notif-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.v3-notif-name {
  font-size: 14px;
  color: var(--c-text, #1a1a1a);
}

.v3-notif-desc {
  font-size: 11px;
  color: var(--c-text-muted, #999);
}

/* ── 隐私行 ── */
.v3-privacy-label {
  font-size: 14px;
  color: var(--c-text, #1a1a1a);
}

.v3-privacy-value {
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
  margin-right: 4px;
}

.v3-row-arrow {
  color: var(--c-text-muted, #999);
  display: flex;
}

/* ── 账号管理行 ── */
.v3-account-list {
  display: flex;
  flex-direction: column;
}

.v3-account-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2, 8px);
  padding: 12px 4px;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
  cursor: pointer;
  transition: background var(--dur-fast, 100ms);
  border-radius: var(--r-xs, 4px);
}

.v3-account-row:hover {
  background: var(--c-bg-hover, rgba(0,0,0,.04));
}

.v3-account-row:last-child {
  border-bottom: none;
}

.v3-account-row-danger {
  color: var(--c-danger, #ef4444);
}

.v3-account-row-danger:hover {
  background: rgba(239, 68, 68, .06);
}

.v3-row-icon {
  display: flex;
  color: var(--c-text-secondary, #6b6b6b);
}

.v3-account-row-danger .v3-row-icon {
  color: var(--c-danger, #ef4444);
}

/* ── 关于 ── */
.v3-about-list {
  display: flex;
  flex-direction: column;
}

.v3-about-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.v3-about-row:last-child {
  border-bottom: none;
}

.v3-about-label {
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
}

.v3-about-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text, #1a1a1a);
}

/* ── 管理后台入口 ── */
.v3-admin-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border: 1px solid var(--c-accent, #2563eb);
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  color: var(--c-accent, #2563eb);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--dur-fast, 100ms);
}

.v3-admin-entry:hover {
  background: rgba(37, 99, 235, .06);
}

/* ── 浮窗内编辑表单 ── */
.v3-fw-edit-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 4px;
}

.v3-fw-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v3-fw-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text-secondary, #6b6b6b);
}

.v3-fw-input,
.v3-fw-textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg-subtle, #fafafa);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  outline: none;
  transition: border-color var(--dur-normal, 200ms);
  box-sizing: border-box;
}

.v3-fw-input:focus,
.v3-fw-textarea:focus {
  border-color: var(--c-accent, #2563eb);
  background: var(--c-bg, #fff);
}

.v3-fw-textarea {
  min-height: 80px;
  resize: vertical;
  font-family: inherit;
}

.v3-fw-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 8px;
}

.v3-fw-save-btn {
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--c-text, #1a1a1a);
  border: none;
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
  transition: opacity var(--dur-fast, 100ms);
}

.v3-fw-save-btn:hover {
  opacity: 0.85;
}

/* ── 降级弹窗 / 设置弹窗 ── */
.v3-editor-modal,
.v3-edit-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.v3-editor-backdrop,
.v3-edit-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}

.v3-editor-dialog,
.v3-edit-dialog {
  position: relative;
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--c-bg, #fff);
  border-radius: var(--r-md, 10px);
  box-shadow: var(--shadow-lg, 0 12px 32px rgba(0,0,0,.12));
  overflow: hidden;
}

.v3-editor-header,
.v3-edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.v3-editor-header h3,
.v3-edit-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text, #1a1a1a);
  margin: 0;
}

.v3-editor-close,
.v3-edit-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  color: var(--c-text-secondary, #6b6b6b);
  cursor: pointer;
  border-radius: var(--r-sm, 6px);
}

.v3-editor-close:hover,
.v3-edit-close:hover {
  background: var(--c-bg-sunken, #f5f5f5);
}

.v3-editor-body,
.v3-edit-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.v3-editor-field,
.v3-edit-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v3-editor-field label,
.v3-edit-field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text-secondary, #6b6b6b);
}

.v3-editor-input,
.v3-editor-textarea,
.v3-edit-input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg-subtle, #fafafa);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  outline: none;
  transition: border-color var(--dur-normal, 200ms);
  box-sizing: border-box;
}

.v3-editor-input:focus,
.v3-editor-textarea:focus,
.v3-edit-input:focus {
  border-color: var(--c-accent, #2563eb);
  background: var(--c-bg, #fff);
}

.v3-editor-textarea {
  min-height: 80px;
  resize: vertical;
  font-family: inherit;
}

.v3-editor-footer,
.v3-edit-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--c-divider, rgba(0,0,0,.06));
}

.v3-editor-cancel,
.v3-edit-cancel {
  padding: 7px 16px;
  font-size: 13px;
  color: var(--c-text-secondary, #6b6b6b);
  background: var(--c-bg-sunken, #f5f5f5);
  border: 1px solid var(--c-border, rgba(0,0,0,.08));
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
}

.v3-editor-save,
.v3-edit-save {
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--c-text, #1a1a1a);
  border: none;
  border-radius: var(--r-sm, 6px);
  cursor: pointer;
}

.v3-editor-save:hover,
.v3-edit-save:hover {
  opacity: 0.85;
}

/* ── 响应式 ── */
@media (max-width: 480px) {
  .v3-hero-card {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px;
  }
  .v3-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .v3-recent-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══ Topbar 清空/保存：默认填实，hover 反色白底 ═══ */
.topbar .btn.danger#clearBtn {
  background: var(--c-danger);
  color: #fff;
  border: 1px solid var(--c-danger);
}
.topbar .btn.danger#clearBtn:hover {
  background: #fff;
  color: var(--c-danger);
  border-color: var(--c-danger);
}
.topbar .btn.primary#saveBtn {
  background: var(--c-accent);
  color: #fff;
  border: 1px solid var(--c-accent);
}
.topbar .btn.primary#saveBtn:hover {
  background: #fff;
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.topbar .btn.danger#clearBtn:active,
.topbar .btn.primary#saveBtn:active {
  transform: translateY(1px);
}

/* ── 工具栏主操作按钮：默认填实，hover 反色（2026-08-24 v1.0.5） ── */
#createCustomNode,
#manageTypesBtn {
  width: 100%;
  color: #fff;
  border: 1px solid transparent;
  transition: background var(--dur-normal) var(--ease-smooth), color var(--dur-normal) var(--ease-smooth), border-color var(--dur-normal) var(--ease-smooth), transform 0.08s ease;
}
#createCustomNode {
  margin-top: 0;
  background: #4f46e5;
  border-color: #4f46e5;
}
#manageTypesBtn {
  margin-top: 6px;
  background: #6366f1;
  border-color: #6366f1;
}
#createCustomNode:hover,
#manageTypesBtn:hover {
  background: #fff;
  color: #4f46e5;
  border-color: #4f46e5;
}
#manageTypesBtn:hover {
  color: #6366f1;
  border-color: #6366f1;
}
#createCustomNode:active,
#manageTypesBtn:active {
  transform: translateY(1px);
}