/* Compact workspace shell. Content views, reference tabs and tutor geometry are independent. */
body.workspace-v2 #app { grid-template-rows: 48px minmax(0,1fr) 26px; }
body.workspace-v2 .titlebar { padding: 0 12px; gap: 12px; }
body.workspace-v2 .tb-center { display: none; }
body.workspace-v2 .titlebar { grid-template-columns: minmax(0,1fr) auto; }
body.workspace-v2 .stage { display: block; min-width: 0; min-height: 0; background: var(--bg-2); position: relative; }
body.workspace-v2 .workspace { grid-template-columns: 44px var(--sidebar-w) 1px minmax(0,1fr) 1px var(--inspector-w); }
body.workspace-v2.left-closed .workspace { grid-template-columns: 44px 0 0 minmax(0,1fr) 1px var(--inspector-w); }
body.workspace-v2.right-closed .workspace { grid-template-columns: 44px var(--sidebar-w) 1px minmax(0,1fr) 0 0; }
body.workspace-v2.left-closed.right-closed .workspace { grid-template-columns: 44px 0 0 minmax(0,1fr) 0 0; }

body.left-closed .sidebar,
body.workspace-v2.left-closed .sidebar {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}
body.left-closed #resizerLeft,
body.workspace-v2.left-closed #resizerLeft {
  display: none !important;
  pointer-events: none !important;
}

body.right-closed .inspector,
body.workspace-v2.right-closed .inspector {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}
body.right-closed #resizerRight,
body.workspace-v2.right-closed #resizerRight {
  display: none !important;
  pointer-events: none !important;
}

.titlebar .icon-btn svg,
.titlebar .icon-btn i {
  pointer-events: none;
}

/* 中间栏精简工具条 */
.workspace-toolbar { height: 42px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--bg-1); border-bottom: 1px solid var(--line); }
.workspace-context { flex: 1; min-width: 0; }
body.workspace-v2 #taskName { font-size: 13px; font-weight: 500; width: 100%; color: var(--text-2); text-align: left; }
body.workspace-v2 #btnTutorToggle { flex: none; height: 28px; padding: 0 9px; gap: 6px; }

/* 中间栏 100% 呈现证据画布与沙盘 */
body.workspace-v2 .center-canvas,
body.workspace-v2 .canvas-panel {
  position: absolute;
  inset: 42px 0 0;
  height: auto;
  display: flex !important;
  flex-direction: column !important;
  min-height: 0 !important;
  min-width: 0 !important;
}
body.workspace-v2 .canvas-body { flex: 1; position: relative; overflow: hidden; width: 100%; min-height: 0; }
body.workspace-v2 .canvas-toolbar { min-height: 42px; position: relative; z-index: 5; }
#canvas3d { width: 100%; height: 100%; position: absolute; inset: 0; display: block; outline: none; cursor: grab; }
#canvas3d:active { cursor: grabbing; }
#canvas3d canvas { width: 100% !important; height: 100% !important; display: block; }

/* 中栏多模态切换胶囊 (场景/流程/方法示意/工程说明/实训视频) 选中鲜艳纯正蓝色高亮 */
.mode-pill {
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease-in-out;
  border-radius: 6px;
  font-weight: 500;
}
.mode-pill:hover:not(.active) {
  background: var(--bg-2) !important;
  color: var(--text) !important;
}
.mode-pill.active,
button.mode-pill.active {
  background: #0a84ff !important;
  color: #ffffff !important;
  border-color: #0070df !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 8px rgba(10, 132, 255, 0.45) !important;
}
.resource-menu.has-active summary {
  color: #0a84ff !important;
  font-weight: 600 !important;
}

/* 方法示意图表实验快速切换标签栏 */
.method-exp-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 760px;
  width: 100%;
  overflow-x: auto;
  padding: 2px 0 4px 0;
  scrollbar-width: thin;
}
.method-exp-pill {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-1);
  color: var(--text-2);
  border: 1px solid var(--line);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s ease-in-out;
}
.method-exp-pill:hover:not(.active) {
  background: var(--bg-2);
  color: var(--text);
  border-color: var(--accent);
}
.method-exp-pill.active {
  background: #0a84ff !important;
  color: #ffffff !important;
  border-color: #0070df !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 6px rgba(10, 132, 255, 0.45) !important;
}


/* 左侧栏更紧凑优雅的树状层次体系 (Compact Folder Tree Navigation) */
.files-body {
  padding: 4px 6px;
}
.tree-section {
  margin-bottom: 4px;
}
.section-header {
  min-height: 28px !important;
  height: auto;
  padding: 4px 8px 4px 6px !important;
  font-size: 11.5px !important;
}
.section-title {
  font-size: 11.5px !important;
  line-height: 1.4 !important;
}
.tree-row {
  min-height: 26px !important;
  height: auto;
  padding: 4px 8px 4px 18px !important;
  margin: 1px 2px !important;
  font-size: 11.5px !important;
  line-height: 1.35 !important;
}
.tree-row .name {
  font-size: 11.5px !important;
  line-height: 1.35 !important;
  white-space: normal !important;
}
.tree-row .ficon {
  width: 14px !important;
  height: 14px !important;
  margin-right: 5px !important;
  flex: none;
}

/* 自定义项目 1/2/3 级树状深度排版与操作按钮 */
.tree-row.custom-proj-row {
  display: flex;
  align-items: center;
  position: relative;
  transition: background .12s ease;
}
.tree-row.custom-proj-row[data-level="1"] {
  padding-left: 8px !important;
  font-weight: 600;
  border-left: 2px solid var(--accent);
}
.tree-row.custom-proj-row[data-level="2"] {
  padding-left: 20px !important;
  font-size: 11px !important;
  border-left: 1px dashed var(--line-strong);
}
.tree-row.custom-proj-row[data-level="3"] {
  padding-left: 32px !important;
  font-size: 11px !important;
  color: var(--text-2);
}

.tree-row.custom-proj-row {
  position: relative;
  min-height: 28px !important;
}
.tree-row.custom-proj-row .name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap !important;
}
.tree-row.custom-proj-row .custom-row-actions {
  display: inline-flex;
  opacity: 0;
  pointer-events: none;
  align-items: center;
  gap: 3px;
  margin-left: auto;
  flex: none;
  padding-right: 4px;
  transition: opacity 0.15s ease;
}
.tree-row.custom-proj-row:hover .custom-row-actions,
.tree-row.custom-proj-row:focus-within .custom-row-actions {
  opacity: 1;
  pointer-events: auto;
}
.custom-action-btn {
  border: none;
  background: transparent;
  color: var(--text-3);
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease;
}
.custom-action-btn:hover {
  background: var(--hover);
  color: var(--text);
}
.custom-action-btn.del:hover {
  background: rgba(255, 69, 58, 0.2);
  color: #ff453a;
}

.section-header {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.section-header .section-action-group {
  display: inline-flex;
  opacity: 0;
  pointer-events: none;
  align-items: center;
  gap: 3px;
  margin-left: auto;
  margin-right: 6px;
  transition: opacity 0.15s ease;
}
.section-header:hover .section-action-group,
.section-header:focus-within .section-action-group {
  opacity: 1;
  pointer-events: auto;
}
.section-action-btn {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 13px;
  line-height: 1;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  font-weight: 500;
}
.section-action-btn:hover {
  background: var(--hover);
  color: var(--text);
}
.section-action-btn.del:hover {
  background: rgba(255, 69, 58, 0.16);
  color: #ff453a;
}

.section-add-btn {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 13px;
  line-height: 1;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  opacity: 0.65;
}
.section-add-btn:hover {
  background: var(--hover);
  color: var(--text);
  opacity: 1;
}

/* 左侧栏成果导航 */
.work-navigation { display: flex; flex-direction: column; padding: 12px; gap: 4px; }
.work-link { text-align: left; padding: 10px; font-size: 12px; border-radius: 5px; }
.work-link:hover, .work-link:focus-visible { background: var(--accent-soft); color: var(--accent-text); }
.navigation-separator { border-top: 1px solid var(--line); margin: 12px 0; }
#sidebar [data-reference-id] { cursor: pointer; }

/* 右侧栏统一标签体系（包含成果与参考） */
body.workspace-v2 .inspector { display: flex; flex-direction: column; }
.reference-toolbar { height: 42px; min-height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 10px 0 16px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--text-2); }
.reference-toolbar > div { display: flex; gap: 4px; }
#referenceTabs { display: flex; align-items: stretch; min-height: 40px; flex: none; overflow: auto hidden; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
#referenceTabs:empty { min-height: 0; border-bottom: 0; }
.reference-tab { display: flex; align-items: center; flex: none; min-width: 90px; max-width: 210px; border-right: 1px solid var(--line); position: relative; }
.reference-tab.active { background: var(--bg-2); }
.reference-tab.active::before { content: ''; position: absolute; inset: 0 0 auto; height: 2px; background: var(--accent); }
.reference-tab-select { min-width: 0; flex: 1; font-size: 12px; color: var(--text-2); padding: 11px 6px 11px 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }
.reference-tab.active .reference-tab-select { color: var(--text); }
.reference-tab-close { flex: none; width: 24px; height: 24px; padding: 4px; margin-right: 5px; border-radius: 4px; color: var(--text-2); display: inline-flex; align-items: center; justify-content: center; }
.reference-tab-close:hover { background: var(--hover); color: var(--text); }
#referenceBody { flex: 1; min-height: 0; overflow: auto; padding: 20px; user-select: text; }
.reference-empty { max-width: 320px; font-size: 13px; padding: 18px 0; line-height: 1.9; }
.reference-empty p { color: var(--text-2); }
.reference-article { font-size: 13px; line-height: 1.9; overflow-wrap: anywhere; }
.reference-article h2 { font-size: 16px; font-weight: 600; margin: 0 0 12px; }
.reference-article > p { margin: 0 0 18px; }
.reference-link { width: 100%; text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.8; }
.reference-link:hover { color: var(--accent-text); }
.reference-article .pane-scroll { padding: 0; }

/* 成果与过程在右侧标签页展示的排版优化 */
.work-tab-pane { display: block; font-size: 13px; line-height: 1.8; padding-bottom: 24px; }
.work-tab-pane h3 { font-size: 15px; font-weight: 600; margin: 18px 0 10px; }
.work-tab-pane h3:first-child, .work-tab-pane .inspector-heading h3 { margin-top: 0; }
.work-tab-pane .inspector-heading { margin-bottom: 12px; }
.work-tab-pane #calculationForm { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.work-tab-pane #calculationResult { margin-top: 18px; }
.work-tab-pane #modelWorkbench { margin-top: 24px; border-top: 1px solid var(--line); padding: 16px 0; }
.work-tab-pane #reportMarkdownPreview { font-size: 12.5px; line-height: 1.8; max-height: 480px; overflow-y: auto; padding: 10px 12px; background: var(--bg-3); border-radius: 6px; border: 1px solid var(--line); }
.work-tab-pane .reflection-label { margin-top: 18px; }
.work-tab-pane .report-actions { display: flex; gap: 8px; margin: 14px 0; flex-wrap: wrap; }
.work-tab-pane .evidence-row { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.work-tab-pane .evidence-row small { color: var(--text-2); }

/* 伴学浮动窗口样式 */
.floating-tutor {
  position: absolute;
  z-index: 35;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0,0,0,.16);
  transition: opacity 0.18s ease, border-radius 0.2s ease, box-shadow 0.2s ease;
}

/* 完全折叠状态：在中栏 3D 视图中呈现为精致的高清毛玻璃悬浮输入框 */
.floating-tutor.minimized {
  height: 46px !important;
  border-radius: 23px !important;
  background: var(--glass) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--line-strong) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2) !important;
  overflow: visible !important;
}

.floating-tutor.minimized .tutor-window-header {
  display: none !important;
}

.floating-tutor.minimized .chat-drawer {
  display: none !important;
}

.floating-tutor.minimized .tutor-resizer {
  display: none !important;
}

.floating-tutor.minimized .chat-capsule-wrap {
  flex: 1 !important;
  height: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  width: 100% !important;
}

.floating-tutor.minimized .chat-capsule {
  width: 100% !important;
  height: 100% !important;
  min-height: 44px !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 8px 0 14px !important;
  border-radius: 23px !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

.floating-tutor.minimized .capsule-input {
  font-size: 13px !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  color: var(--text) !important;
}

.floating-tutor.minimized .capsule-input::placeholder {
  color: var(--text-3) !important;
}

.tutor-window-header {
  height: 42px;
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 9px 0 14px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  cursor: move;
  touch-action: none;
}
.tutor-window-header strong { font-size: 13px; font-weight: 600; white-space: nowrap; }
.tutor-status { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tutor-window-actions { display: flex; gap: 2px; flex: none; }
.tutor-window-actions .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 27px; height: 27px; }
#btnTutorOpacity.active { color: var(--accent); }

/* 展开状态的伴学窗内部布局 */
.floating-tutor:not(.minimized) {
  display: flex;
  flex-direction: column;
}
.floating-tutor:not(.minimized) .tutor-window-header {
  display: flex !important;
}
.floating-tutor:not(.minimized) .chat-capsule-wrap {
  flex: 1 !important;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 12px 12px !important;
  overflow: hidden !important;
}
.floating-tutor:not(.minimized) .chat-drawer {
  display: flex !important;
  flex: 1 !important;
  min-height: 0 !important;
  flex-direction: column !important;
  overflow: hidden !important;
}
.floating-tutor:not(.minimized) .drawer-chat-list {
  flex: 1 !important;
  overflow-y: auto !important;
  padding: 12px 2px !important;
  gap: 16px !important;
}
.floating-tutor:not(.minimized) .chat-bubble { font-size: 13px; line-height: 1.8; }
.floating-tutor:not(.minimized) .drawer-pills { padding: 8px 0; gap: 4px; }
.floating-tutor:not(.minimized) .drawer-pill-btn { font-size: 10px; padding: 4px 6px; }
.floating-tutor:not(.minimized) .chat-capsule {
  flex: none !important;
  min-height: 44px !important;
  padding: 6px 10px !important;
  background: var(--bg-1) !important;
  border: 1px solid var(--line) !important;
  border-radius: 22px !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}
.floating-tutor .capsule-model-badge { display: none; }

/* 伴学自由拉伸把手：八方向无感边缘把手，去掉小方框图标 */
.tutor-resizer { position: absolute; z-index: 45; touch-action: none; user-select: none; }
.tutor-resizer.edge-n { top: 0; left: 10px; right: 10px; height: 7px; cursor: ns-resize; }
.tutor-resizer.edge-s { bottom: 0; left: 10px; right: 10px; height: 7px; cursor: ns-resize; }
.tutor-resizer.edge-w { left: 0; top: 10px; bottom: 10px; width: 7px; cursor: ew-resize; }
.tutor-resizer.edge-e { right: 0; top: 10px; bottom: 10px; width: 7px; cursor: ew-resize; }
.tutor-resizer.corner-nw { top: 0; left: 0; width: 12px; height: 12px; cursor: nwse-resize; }
.tutor-resizer.corner-ne { top: 0; right: 0; width: 12px; height: 12px; cursor: nesw-resize; }
.tutor-resizer.corner-sw { bottom: 0; left: 0; width: 12px; height: 12px; cursor: nesw-resize; }
.tutor-resizer.corner-se { bottom: 0; right: 0; width: 12px; height: 12px; cursor: nwse-resize; }

.tutor-trigger-chip { position: absolute; bottom: 14px; left: 16px; z-index: 34; display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; background: var(--bg-2); color: var(--accent-text); border: 1px solid var(--line-strong); border-radius: 7px; box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.pointer-dragging, .pointer-dragging * { user-select: none !important; }
body.workspace-v2 .resizer { touch-action: none; }
body.workspace-v2 .resizer:focus-visible { outline-offset: 0; }

@media (max-width: 1200px) {
  body.workspace-v2 .inspector { position: fixed; top: 48px; bottom: 26px; right: 0; width: min(var(--inspector-w),calc(100vw - 60px)); z-index: 40; box-shadow: -8px 0 24px rgba(0,0,0,.12); }
  body.workspace-v2 .workspace, body.workspace-v2.right-closed .workspace { grid-template-columns: 44px var(--sidebar-w) 1px minmax(0,1fr) 0 0; }
  body.workspace-v2.left-closed .workspace, body.workspace-v2.left-closed.right-closed .workspace { grid-template-columns: 44px 0 0 minmax(0,1fr) 0 0; }
  body.workspace-v2 #resizerRight { display: none; }
  body.workspace-v2 .center-canvas { display: flex; }
  body.workspace-v2 .stage { grid-template-columns: none; }
}

@media (max-width: 760px) {
  body.workspace-v2 #app { grid-template-rows: 48px minmax(0,1fr) 26px; }
  body.workspace-v2 .sidebar { top: 48px; bottom: 26px; }
  body.workspace-v2 .inspector { top: 48px; bottom: 26px; }
  body.workspace-v2 .workspace, body.workspace-v2.left-closed .workspace, body.workspace-v2.right-closed .workspace, body.workspace-v2.left-closed.right-closed .workspace { grid-template-columns: 44px 0 0 minmax(0,1fr) 0 0; }
  body.workspace-v2 .stage { display: block; overflow: hidden; }
  body.workspace-v2 .tb-right { gap: 5px; }
  body.workspace-v2 .workspace-context { display: none; }
  .workspace-toolbar { gap: 8px; padding: 0 8px; justify-content: space-between; }
  .floating-tutor .capsule-input { font-size: 16px; }
  .floating-tutor .drawer-pill-btn { font-size: 11px; }
  .tutor-status { display: none; }
  .tutor-window-header strong { flex: 1; }
}

@media print {
  body.workspace-v2 #app, body.workspace-v2 .workspace, body.workspace-v2 .stage { display: block !important; height: auto; overflow: visible; position: static; }
  body.workspace-v2 .stage { background: white; }
  body.workspace-v2 .inspector { display: block !important; position: static; width: 100% !important; border: 0 !important; }
  body.workspace-v2 .center-canvas, .workspace-toolbar, .floating-tutor, .tutor-trigger-chip, .reference-toolbar, #referenceTabs { display: none !important; }
  body.workspace-v2 #referenceBody { overflow: visible; padding: 0; }
  body.workspace-v2 #viewReportTab { display: block !important; max-width: none; }
}

/* 专创融合七大实验工作标签页内部组件排版（保持三栏骨架不变） */
.studio-subcard {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px 14px;
  margin: 12px 0;
}
.subcard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.subcard-head strong { font-size: 13px; font-weight: 600; }
.inline-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.status-tag, .status-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.status-tag.ok, .status-pill.ok { background: rgba(48, 209, 88, 0.14); color: var(--ok); border: 1px solid rgba(48, 209, 88, 0.3); }
.status-tag.warn, .status-pill.warn { background: rgba(255, 159, 10, 0.14); color: var(--warn); border: 1px solid rgba(255, 159, 10, 0.3); }
.status-pill { cursor: pointer; }

/* 实验一：评价目标指标树与紧凑卡片（勾勾在同一排正前方） */
#viewDataDictTab label.indicator-item-compact,
#viewDataDictTab label.compact-rule-item,
.indicator-item-compact,
.compact-rule-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  box-sizing: border-box !important;
}

.indicator-tree-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.indicator-branch {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  background: var(--bg-1);
  border-radius: 6px;
  border: 1px solid var(--line);
}
.branch-head {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-bottom: 3px;
}
.branch-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-text);
}
.branch-badge {
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 99px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--accent);
}
.indicator-list-compact {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.indicator-item-compact {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 7px !important;
  padding: 4px 8px !important;
  border-radius: 5px;
  background: var(--bg-2);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 11.5px;
  user-select: none;
  min-height: 28px;
  white-space: nowrap;
}
.indicator-item-compact:hover {
  background: var(--bg-3, rgba(255, 255, 255, 0.05));
  border-color: var(--line);
}
.indicator-item-compact.is-active {
  background: rgba(10, 132, 255, 0.05);
  border-color: rgba(10, 132, 255, 0.28);
}
.indicator-item-compact input[type="checkbox"].ind-check {
  width: 15px !important;
  height: 15px !important;
  margin: 0 !important;
  flex-shrink: 0 !important;
  accent-color: var(--accent);
  cursor: pointer;
}
.indicator-item-compact .ind-tag {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--accent);
  border-radius: 3px;
  flex-shrink: 0 !important;
  line-height: 1.4;
}
.indicator-item-compact .ind-name {
  flex: 1;
  min-width: 0;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11.5px;
}
.indicator-item-compact .ind-unit {
  font-size: 10.5px;
  color: var(--text-3);
  flex-shrink: 0 !important;
  white-space: nowrap;
  padding-left: 3px;
}

/* 兼容旧式指标项 */
.indicator-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 12px;
  cursor: pointer;
}
.indicator-item input[type="checkbox"] { width: auto; margin: 0; }
.indicator-item em { font-style: normal; color: var(--text-3); font-size: 11px; }

/* 实验一：紧凑规则选项（勾勾在同一排正前方） */
.cleaning-rules-compact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 8px 0;
}
.compact-rule-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 5px 10px !important;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  min-height: 30px;
  white-space: nowrap;
}
.compact-rule-item:hover {
  background: var(--bg-2);
  border-color: var(--line-strong, rgba(255,255,255,0.2));
}
.compact-rule-item.is-active {
  background: rgba(48, 209, 88, 0.04);
  border-color: rgba(48, 209, 88, 0.25);
}
.compact-rule-item input[type="checkbox"] {
  width: 15px !important;
  height: 15px !important;
  margin: 0 !important;
  flex-shrink: 0 !important;
  accent-color: var(--accent);
  cursor: pointer;
}
.compact-rule-item .rule-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  flex-shrink: 0 !important;
}
.compact-rule-item .rule-desc {
  font-size: 11px;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

/* 实时治理审计 Bento 卡片 */
.governance-audit-bento {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.audit-stat-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.audit-stat-card .stat-k {
  font-size: 11px;
  color: var(--text-3);
}
.audit-stat-card .stat-v {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-mono, monospace);
  color: var(--text-1);
  line-height: 1.2;
  margin: 2px 0;
}
.audit-stat-card .stat-v.ok { color: var(--ok, #30d158); }
.audit-stat-card .stat-v.warn { color: var(--warn, #ff9f0a); }
.audit-stat-card .stat-v.accent { color: var(--accent, #0a84ff); }
.audit-stat-card .stat-v.mono { font-size: 12.5px; letter-spacing: 0.5px; }
.audit-stat-card .stat-hint {
  font-size: 10px;
  color: var(--text-3);
}

.checkbox-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 8px 0;
}
.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  cursor: pointer;
}
.checkbox-grid input[type="checkbox"] { width: auto; margin: 0; }

.table-scroll { overflow-x: auto; width: 100%; }
.studio-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  line-height: 1.5;
}
.studio-table th, .studio-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
.studio-table th {
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-1);
  white-space: nowrap;
}
.studio-table code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-text);
}

/* 实验一：标准 6 列字典紧凑表格 */
.dict-compact-table {
  width: 100%;
  border-collapse: collapse;
}
.dict-compact-table th {
  padding: 5px 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.dict-compact-table td {
  padding: 3px 4px;
  border-bottom: 1px solid var(--line-subtle, rgba(255,255,255,0.06));
  vertical-align: middle;
}
.dict-compact-table tr.is-excluded {
  opacity: 0.42;
  filter: grayscale(0.7);
}
.dict-compact-table .dict-row-check {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.dict-compact-table .dict-cell {
  width: 100%;
  box-sizing: border-box;
  padding: 3px 6px !important;
  height: 25px;
  font-size: 11.5px !important;
  border-radius: 4px;
  border: 1px solid transparent !important;
  background: transparent !important;
  color: var(--text-1);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.dict-compact-table .dict-cell:hover {
  background: var(--bg-1) !important;
  border-color: var(--line) !important;
}
.dict-compact-table .dict-cell:focus {
  background: var(--bg-1) !important;
  border-color: var(--accent) !important;
  outline: none;
}
.dict-compact-table .dict-cell.mono {
  font-family: var(--font-mono, monospace);
}
.dict-compact-table .dict-cell.bold {
  font-weight: 600;
  color: var(--accent);
}
.btn-dict-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid rgba(255, 69, 58, 0.3);
  background: rgba(255, 69, 58, 0.08);
  color: var(--err, #ff453a);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.15s ease;
}
.btn-dict-del:hover {
  background: rgba(255, 69, 58, 0.22);
  border-color: rgba(255, 69, 58, 0.55);
  transform: scale(1.08);
}

.rule-callout {
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--bg-1);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.6;
}
.warn-note {
  margin: 8px 0 0;
  padding: 6px 10px;
  border-radius: 5px;
  background: rgba(255, 159, 10, 0.12);
  color: var(--warn);
  font-size: 12px;
}
.sub-details {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.sub-details > summary {
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-2);
}

/* ==================== 演示卡牌排版美化与深化体系 (Executive Card System) ==================== */
/* 1. 左栏与各面板条目卡牌 (.item-card) 全面升级为现代高质感卡片 */
.item-card {
  background: var(--bg-1) !important;
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  padding: 12px 14px !important;
  margin: 0 0 10px 0 !important;
  cursor: pointer !important;
  transition: all .2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
  position: relative !important;
  overflow: hidden !important;
}
.item-card:hover {
  border-color: var(--accent) !important;
  background: var(--bg-2) !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 4px 14px rgba(10, 132, 255, 0.14) !important;
}
.item-card.active {
  border-color: var(--accent) !important;
  background: var(--accent-soft) !important;
  box-shadow: 0 0 0 1px var(--accent) !important;
}
.item-card .card-head-title {
  font-weight: 600 !important;
  font-size: 12.5px !important;
  color: var(--text) !important;
  margin-bottom: 6px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 8px !important;
}
.item-card .card-head-title span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.item-card .card-head-title kbd,
.item-card .card-head-title .badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-2);
  flex: none;
}
.item-card .card-desc {
  font-size: 11.5px !important;
  color: var(--text-2) !important;
  line-height: 1.55 !important;
}
/* 计量公式预览卡槽 */
.item-card .card-desc[style*="font-family:var(--mono)"] {
  background: rgba(10, 132, 255, 0.07) !important;
  color: var(--accent-text) !important;
  padding: 6px 10px !important;
  border-radius: 6px !important;
  border: 1px solid rgba(10, 132, 255, 0.2) !important;
  margin: 6px 0 !important;
  font-size: 11px !important;
  letter-spacing: .02em !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

/* 2. 右侧栏参考文章与指引卡片 (.reference-article) 结构化美化 */
.reference-article {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ref-hero-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.ref-hero-card h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px 0;
  color: var(--text);
}
.ref-hero-card .ref-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text-2);
}
.ref-formula-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-text);
  line-height: 1.6;
}
.ref-section-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.7;
}

/* 3. 取证设备卡片 (.evidence-row) 升级 */
.evidence-row {
  background: var(--bg-1) !important;
  border: 1px solid var(--line) !important;
  border-left: 3.5px solid var(--accent) !important;
  border-radius: 6px !important;
  padding: 10px 12px !important;
  margin-bottom: 8px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 5px !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03) !important;
  transition: all .15s ease !important;
}
.evidence-row:hover {
  border-color: var(--accent) !important;
  box-shadow: 0 3px 8px rgba(10, 132, 255, 0.1) !important;
}
.evidence-row strong {
  font-size: 12.5px !important;
  color: var(--text) !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
}
.evidence-row .cost-chip {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 2px 7px;
  border-radius: 10px;
}
.evidence-row span {
  font-size: 11.5px !important;
  color: var(--text-2) !important;
}
.evidence-row small {
  font-size: 10.5px !important;
  color: var(--text-3) !important;
  background: var(--bg-2) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  align-self: flex-start !important;
}

/* 4. 核心财务 KPI 演示四卡阵列 (.metric-cards-grid) */
.result-kpi-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.result-kpi-heading h3 {
  margin: 0 !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
}
.metric-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin: 8px 0 14px 0;
}
.kpi-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: all .15s ease;
}
.kpi-card:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}
.kpi-card.good {
  border-color: rgba(48, 209, 88, 0.4);
  background: linear-gradient(180deg, rgba(48, 209, 88, 0.05) 0%, var(--bg-1) 100%);
}
.kpi-card.warn {
  border-color: rgba(255, 69, 58, 0.4);
  background: linear-gradient(180deg, rgba(255, 69, 58, 0.05) 0%, var(--bg-1) 100%);
}
.kpi-label {
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kpi-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--mono);
}
.kpi-card.good .kpi-value { color: var(--ok); }
.kpi-card.warn .kpi-value { color: #ff453a; }
.kpi-unit {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-2);
  margin-left: 2px;
}
.kpi-badge {
  font-size: 10px;
  color: var(--text-3);
  margin-top: 2px;
}

.hud {
  position: absolute;
  top: 16px !important;
  right: 16px !important;
  bottom: auto !important;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.hud-scene-switcher {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-right: 6px;
  border-right: 1px solid var(--line);
  font-size: 11px;
}
.hud-label {
  font-weight: 600;
  color: var(--text-2);
}
.hud-select {
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  font-size: 11px;
  border-radius: 4px;
  padding: 3px 6px;
  cursor: pointer;
  outline: none;
}
.hud-select:focus {
  border-color: var(--accent);
}

/* 3D 悬浮设备参数卡片 */
.hud-3d-spec-card {
  position: absolute;
  top: 56px;
  left: 16px;
  z-index: 12;
  width: 250px;
  background: rgba(18, 24, 38, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  color: #fff;
  pointer-events: none;
  animation: fadeIn 0.18s ease-out;
}
body.light-mode .hud-3d-spec-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #1a1a1a;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.spec-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.spec-icon {
  font-size: 20px;
  line-height: 1;
}
.spec-title-wrap {
  flex: 1;
  min-width: 0;
}
.spec-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.spec-sub {
  font-size: 10px;
  color: #8fa0be;
}
body.light-mode .spec-sub { color: #666; }
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 8px;
  border-radius: 6px;
  margin-bottom: 8px;
}
body.light-mode .spec-grid {
  background: rgba(0, 0, 0, 0.04);
}
.spec-item {
  display: flex;
  flex-direction: column;
}
.spec-item .k {
  font-size: 10px;
  color: #9cb0ce;
}
body.light-mode .spec-item .k { color: #777; }
.spec-item .v {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--accent);
}
.spec-saving {
  font-size: 11px;
  line-height: 1.45;
  color: #cbd5e1;
  margin-bottom: 6px;
}
body.light-mode .spec-saving { color: #444; }
.spec-hint {
  font-size: 10px;
  color: var(--ok);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 3D 浮动点击取证成功提示 Badge */
.hud-toast-banner {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(10, 132, 255, 0.4);
  z-index: 15;
  pointer-events: none;
  animation: toastFade 1.8s forwards;
}
@keyframes toastFade {
  0% { opacity: 0; transform: translate(-50%, -10px); }
  15% { opacity: 1; transform: translate(-50%, 0); }
  80% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -10px); }
}

/* ========================================================
   8. 右栏专创实验机制思考与实时联动卡片 (.ref-mechanism-card)
   置于当前选中实验的「进入实验X」按钮正下方，深度融合右栏阅读流
   ======================================================== */
.ref-mechanism-card {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3.5px solid var(--accent);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  margin-top: 10px;
  display: flex;
  flex-direction: column;
}
.ref-mech-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.ref-mech-badge-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ref-mech-quick-actions {
  display: flex;
  gap: 5px;
}
.ref-mech-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ref-mech-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  line-height: 1.4;
}
.ref-mech-desc {
  font-size: 11.5px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.5;
}
.ref-mech-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
}
.ref-mech-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-text);
  display: flex;
  align-items: center;
  gap: 5px;
}
.ref-mech-logic-text {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-2);
}
.ref-mech-formula-box {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-text);
  word-break: break-all;
  line-height: 1.5;
}
.ref-mech-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mech-control-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mech-control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-2);
}
.mech-control-label strong {
  color: var(--accent-text);
  font-family: var(--mono);
}
.mech-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mech-slider-wrap input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}
.btn-reset-param {
  font-size: 10.5px;
  padding: 2px 8px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.15s ease;
  flex-shrink: 0;
  font-weight: 500;
}
.btn-reset-param:hover {
  background: var(--accent-soft);
  color: var(--accent-text);
  border-color: var(--accent);
}
.btn-reset-param:active {
  transform: scale(0.96);
}
.btn-reset-param.just-reset {
  background: rgba(48, 209, 88, 0.15) !important;
  color: #30d158 !important;
  border-color: #30d158 !important;
}
.mech-metric-badge {
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.25);
  color: #30d158;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 500;
  text-align: center;
}
.ref-mech-footer {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.ref-mech-footer .btn {
  flex: 1;
  font-size: 11px;
  padding: 6px 10px;
}
.mech-status-dot {
  font-size: 11px;
  color: #30d158;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ========================================================
   9. 全屏神经元知识图谱交互视区 (#graphView)
   ======================================================== */
#graphView {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  background: radial-gradient(circle at 50% 50%, #0a0f1d 0%, #030712 100%);
  overflow: hidden;
}
body.light-mode #graphView {
  background: radial-gradient(circle at 50% 50%, #f8fafc 0%, #e2e8f0 100%);
}
#neuronCanvas {
  width: 100%;
  height: 100%;
  display: block;
}
.kg-overlay-controls {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 25;
  gap: 8px;
}
.kg-overlay-controls * {
  box-sizing: border-box;
}
.kg-overlay-controls svg,
.kg-overlay-controls svg.ico,
.kg-overlay-controls i,
.kg-action-bar svg,
.obsidian-search-box svg {
  width: 13px !important;
  height: 13px !important;
  min-width: 13px !important;
  min-height: 13px !important;
  max-width: 13px !important;
  max-height: 13px !important;
  display: inline-block !important;
  flex: none !important;
  vertical-align: -2px;
  stroke-width: 2px;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
  animation: pulseAnimation 1.6s infinite ease-in-out;
  flex-shrink: 0;
}
@keyframes pulseAnimation {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}
.kg-sub-tag {
  font-size: 10.5px;
  color: var(--text-3);
  margin-left: 4px;
}
.kg-action-bar {
  display: flex;
  gap: 6px;
  align-items: center;
  pointer-events: auto;
  flex-shrink: 0;
}
.kg-action-bar .btn {
  height: 28px;
  padding: 0 10px;
  font-size: 11px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  font-weight: 500;
}
.kg-action-bar .btn.glass {
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f8fafc;
}
body.light-mode .kg-action-bar .btn.glass {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(0, 0, 0, 0.1);
  color: #0f172a;
}

/* 神经元节点悬浮详情卡片 */
.kg-node-detail-card {
  position: absolute;
  bottom: 30px;
  right: 20px;
  width: 360px;
  max-width: calc(100% - 40px);
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  box-shadow: 0 20px 48px -8px rgba(0, 0, 0, 0.5);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 30;
  transition: all 0.25s ease;
  color: #f8fafc;
}
body.light-mode .kg-node-detail-card {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.18);
  color: #0f172a;
}
.kg-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.kg-card-title-wrap h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 4px 0 0;
}
.kg-card-body {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.55;
  max-height: 180px;
  overflow-y: auto;
}
.kg-card-footer {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.kg-card-footer .btn {
  flex: 1;
}

/* ========================================================
   10. 左侧栏 Pane 7: 知识图谱 Markdown 文档菜单树 (.kg-file-item)
   ======================================================== */
.kg-cat-group {
  margin-bottom: 6px;
}
.kg-cat-title {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}
.kg-cat-title:hover {
  background: var(--hover);
}
.kg-cat-arrow {
  font-size: 11px;
  margin-right: 4px;
  transition: transform 0.2s ease;
}
.kg-cat-group.collapsed .kg-cat-arrow {
  transform: rotate(-90deg);
}
.kg-cat-group.collapsed .kg-cat-items {
  display: none;
}
.kg-cat-items {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 2px;
  padding-left: 8px;
}
.kg-file-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.kg-file-item:hover {
  background: var(--hover);
  border-color: var(--line);
}
.kg-file-item.active {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.kg-file-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
}
.kg-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kg-file-desc {
  font-size: 11px;
  color: var(--text-3);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 20px;
}

/* ========================================================
   11. Obsidian 风格动力学知识图谱控件体系
   ======================================================== */
.obsidian-legend-badge {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 0 10px;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #f8fafc;
  pointer-events: auto;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
}
body.light-mode .obsidian-legend-badge {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.1);
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* Obsidian 搜索框 */
.obsidian-search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 220px;
  max-width: 28vw;
  height: 28px;
  pointer-events: auto;
  flex-shrink: 1;
}
.obsidian-search-box i {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
  display: flex;
  align-items: center;
}
.obsidian-search-box input {
  width: 100%;
  height: 28px;
  padding: 0 24px 0 26px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #f8fafc;
  font-size: 11px;
  outline: none;
  transition: all 0.2s ease;
}
.obsidian-search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.25);
}
body.light-mode .obsidian-search-box input {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.1);
  color: #0f172a;
}
.obsidian-search-box #btnClearGraphSearch {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Obsidian 悬浮设置控制面板 (⚙️ Graph Settings) */
.obsidian-settings-panel {
  position: absolute;
  top: 60px;
  right: 16px;
  width: 320px;
  max-width: calc(100% - 32px);
  background: rgba(15, 23, 42, 0.90);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 35;
  color: #f1f5f9;
  overflow: hidden;
  animation: panelSlideIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes panelSlideIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
body.light-mode .obsidian-settings-panel {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.16), 0 2px 8px rgba(0, 0, 0, 0.04);
  color: #0f172a;
}
.obs-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
  font-weight: 600;
  user-select: none;
}
body.light-mode .obs-panel-head {
  border-bottom-color: rgba(0, 0, 0, 0.06);
  background: rgba(0, 0, 0, 0.02);
}
.obs-panel-body {
  padding: 12px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 420px;
  overflow-y: auto;
}
.obs-group-title {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-3);
  margin-bottom: 2px;
}
.obs-color-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.obs-pill {
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: default;
  user-select: none;
}
body.light-mode .obs-pill {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.06);
}
.obs-pill.standard { color: #10b981; }
.obs-pill.theory { color: #38bdf8; }
.obs-pill.econometrics { color: #a855f7; }
.obs-pill.experiment { color: #fbbf24; }
.obs-pill.project { color: #f43f5e; }

.obs-setting-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 4px;
}
.obs-setting-row label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-2);
}
.obs-setting-row label span:last-child {
  font-family: var(--mono);
  color: var(--accent);
}
.obs-setting-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}
.obs-setting-check {
  margin-top: 2px;
}
.obs-setting-check label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}
.obs-setting-check input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
}

/* Obsidian 鼠标悬停浮动 HUD Tooltip */
.obsidian-tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 50;
  padding: 6px 12px;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  font-size: 11.5px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: opacity 0.12s ease;
  transform: translate(12px, 12px);
}
body.light-mode .obsidian-tooltip {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 0, 0, 0.12);
  color: #0f172a;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}
.obsidian-tooltip .tip-badge {
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}
.obsidian-tooltip .tip-degree {
  font-size: 10px;
  color: var(--text-3);
  font-family: var(--mono);
}




/* ==================== 20261025LS 英语学习工作台三栏增强样式 (严格对齐 20261006TM) ==================== */
:root {
  --sidebar-w: 278px;
  --inspector-w: 460px;
}

/* 顶栏学习指标胶囊组 */
.top-metrics-pills {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 10px;
  font-size: 11.5px;
  color: var(--text-2);
}
.top-metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.top-metric-pill strong {
  font-family: var(--mono);
  color: var(--accent-text);
  font-weight: 700;
}

/* 左栏顶部：日积月累成长指标与智能记忆曲线卡片 */
.left-growth-card {
  margin: 8px 10px 6px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lgc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text);
}
.lgc-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-2);
}
.lgc-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-3);
  border-radius: 99px;
  overflow: hidden;
}
.lgc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #0a84ff, #30d158);
  border-radius: 99px;
  transition: width 0.3s ease;
}
.lgc-sub {
  font-size: 10.5px;
  color: var(--text-3);
}
.left-review-box {
  margin: 0 10px 6px;
  padding: 8px 10px;
  background: rgba(10, 132, 255, 0.08);
  border: 1px solid rgba(10, 132, 255, 0.24);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lrb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}
.left-search-wrap {
  padding: 4px 10px 6px;
  border-bottom: 1px solid var(--line);
}
.left-search-wrap input {
  width: 100%;
  height: 28px;
  padding: 0 10px;
  font-size: 11.5px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  outline: none;
}
.left-search-wrap input:focus {
  border-color: var(--accent);
}

/* 中栏顶部工作条与纯净视觉演示区 */
.workspace-toolbar {
  height: 42px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  z-index: 25;
  position: relative;
}
.workspace-context {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}
.workspace-context strong {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toolbar-right-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}
.timer-pill {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 6px;
}

/* 中栏提示条 */
.stage-focus-hint {
  position: absolute;
  top: 52px;
  left: 14px;
  z-index: 14;
  padding: 5px 11px;
  border-radius: 99px;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  font-size: 11px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
body.light-mode .stage-focus-hint {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(0, 0, 0, 0.1);
  color: #1e293b;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* 中栏：教学视频演示器 (#videoView) 与 高清图解/绘本演示器 (#imageView) */
#videoView, #imageView {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--stage);
  display: flex;
  flex-direction: column;
  padding: 12px 16px 68px;
  gap: 10px;
  box-sizing: border-box;
  overflow: hidden;
}
.media-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 12px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  flex: none;
}
.media-stage-viewport {
  flex: 1;
  min-height: 0;
  position: relative;
  background: #0b1020;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}
#videoCanvas, #imageCanvas {
  width: 100%;
  height: 100%;
  display: block;
}
.video-subtitle-overlay {
  position: absolute;
  bottom: 54px;
  left: 50%;
  transform: translateX(-50%);
  width: 88%;
  max-width: 720px;
  background: rgba(9, 13, 26, 0.86);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 10px;
  padding: 8px 16px;
  text-align: center;
  color: #f8fafc;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}
.video-sub-en {
  font-size: 14.5px;
  font-weight: 600;
  color: #38bdf8;
  line-height: 1.45;
}
.video-sub-cn {
  font-size: 12px;
  color: #cbd5e1;
  margin-top: 3px;
}
.video-controls-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 44px;
  background: rgba(15, 23, 42, 0.92);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  color: #f8fafc;
}
.video-controls-bar input[type="range"] {
  flex: 1;
  accent-color: #0a84ff;
  cursor: pointer;
}

/* 右栏：核心学习板块快捷切换条 (.core-quick-tabs) */
.core-quick-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  flex: none;
  scrollbar-width: thin;
}
.core-qtab {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--line);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}
.core-qtab:hover {
  color: var(--text);
  border-color: var(--accent);
}
.core-qtab.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(10, 132, 255, 0.35);
}

/* 右栏：翻转单词卡片与精讲、互动题卡片样式 */
#referenceBody {
  padding: 14px 16px 28px !important;
}
.vocab-flip-card {
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
  cursor: pointer;
}
.vocab-flip-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 18px rgba(10, 132, 255, 0.14);
  transform: translateY(-1px);
}
.vocab-flip-card.is-flipped {
  border-left-color: var(--ok);
  background: linear-gradient(180deg, rgba(48, 209, 88, 0.05) 0%, var(--bg-2) 100%);
}
.vfc-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.vfc-word {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}
.vfc-phonetic {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent-text);
}
.vfc-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 8px 0;
  flex-wrap: wrap;
}
.vfc-pos {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ok);
  margin: 6px 0 4px;
}
.vfc-example {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-1);
  padding: 8px 10px;
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  margin-top: 6px;
}
.vfc-family {
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--text-2);
  background: var(--bg-3);
  padding: 6px 10px;
  border-radius: 6px;
  margin-top: 6px;
}

/* 课文双语精读与重点句型卡 */
.bilingual-reading-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.brc-en {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  font-weight: 500;
}
.brc-cn {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-2);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

/* 右栏随堂互动题卡片 */
.right-quiz-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.right-quiz-card legend {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 8px;
}
.right-quiz-option {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 5px 0;
  cursor: pointer;
  background: var(--bg-1);
  font-size: 12.5px;
  transition: all 0.15s ease;
}
.right-quiz-option:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.right-quiz-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--bg-1);
  color: var(--text);
  font-size: 13px;
  margin-top: 4px;
}
.right-quiz-input:focus {
  border-color: var(--accent);
  outline: none;
}
.quiz-feedback-box {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg-1);
  border-left: 3px solid var(--accent);
  font-size: 12px;
  line-height: 1.55;
}
.good-text { color: var(--ok); font-weight: 600; }
.bad-text { color: var(--danger); font-weight: 600; }

/* === V0.3.0 Left Tab Icons, V4 Exam & Permanent Memory UI === */
.left-tab-icon-launcher {
  margin: 6px 10px 8px;
  padding: 8px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
}
.ltil-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}
.ltil-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}
.ltil-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 5px 3px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}
.ltil-btn:hover {
  border-color: var(--accent);
  background: rgba(10, 132, 255, 0.08);
}
.ltil-btn.is-open::after {
  content: '';
  position: absolute;
  top: 3px;
  right: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ok);
}
.ltil-btn.active {
  border-color: var(--accent);
  background: rgba(10, 132, 255, 0.14);
  color: var(--accent-text);
  font-weight: 600;
}
.ltil-btn.highlight-v4 {
  border-color: rgba(245, 158, 11, 0.45);
}
.ltil-ico {
  font-size: 14px;
  line-height: 1.1;
}
.ltil-txt {
  font-size: 10.5px;
  white-space: nowrap;
}

/* Tree row inline tab launcher icons in Left Column */
.tree-tab-icons {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  padding-left: 4px;
  flex-shrink: 0;
}
.tree-tab-ico-btn {
  border: 1px solid transparent;
  background: transparent;
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 11.5px;
  line-height: 1.2;
  cursor: pointer;
  opacity: 0.72;
  transition: all 0.12s ease;
}
.tree-row:hover .tree-tab-ico-btn,
.tree-row.selected .tree-tab-ico-btn {
  opacity: 1;
}
.tree-tab-ico-btn:hover {
  background: rgba(10, 132, 255, 0.16);
  border-color: var(--accent);
  transform: scale(1.08);
}

/* Per-question permanent memory banner */
.q-memory-banner {
  margin-top: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.55;
  border: 1px solid rgba(245, 158, 11, 0.38);
  background: rgba(245, 158, 11, 0.08);
  color: var(--text);
}
.q-memory-banner.is-correct {
  border-color: rgba(48, 209, 88, 0.4);
  background: rgba(48, 209, 88, 0.08);
}
.q-memory-banner.is-wrong {
  border-color: rgba(255, 69, 58, 0.42);
  background: rgba(255, 69, 58, 0.08);
}
.q-v3-source-tip {
  margin-top: 6px;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  background: rgba(10, 132, 255, 0.08);
  border-left: 3px solid var(--accent);
  color: var(--text-2);
}

/* V4 Exam Question Navigator Pills */
.v4-nav-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 8px 0;
  max-height: 120px;
  overflow-y: auto;
  padding: 6px;
  background: var(--bg-1);
  border-radius: 7px;
  border: 1px solid var(--line);
}
.v4-nav-pill {
  min-width: 28px;
  height: 24px;
  padding: 0 5px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text-2);
  font-size: 11px;
  font-family: var(--mono);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.v4-nav-pill.answered {
  border-color: var(--accent);
  color: var(--accent-text);
  background: rgba(10, 132, 255, 0.12);
}
.v4-nav-pill.hist-ok {
  border-color: var(--ok);
  background: rgba(48, 209, 88, 0.16);
  color: var(--ok);
  font-weight: 700;
}
.v4-nav-pill.hist-wrong {
  border-color: var(--danger, #ef4444);
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  font-weight: 700;
}
.v4-passage-box {
  margin: 8px 0 10px;
  padding: 10px 13px;
  border-left: 3px solid var(--accent);
  background: var(--bg-1);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.68;
  white-space: pre-wrap;
}