/* 独立组件：由三维工作区接入后定位；不覆盖原网站全局配色。 */
.viewer-scene-panel {
  /* 工具高于场景内容，但低于顶部视图/显示菜单所在的工具栏（7）。 */
  position: absolute; z-index: 6; top: 12px; right: 12px; width: max-content; min-width: 132px;
  max-width: calc(100% - 24px); max-height: min(680px, calc(100% - 24px));
  overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain;
  border: 1px solid var(--dd-line, GrayText);
  border-radius: 16px; background: var(--dd-surface, Canvas);
  color: var(--dd-text, CanvasText); box-shadow: var(--dd-shadow, 0 8px 28px #00000016);
  font: 14px/1.55 var(--dd-font, system-ui, sans-serif); backdrop-filter: blur(16px);
  touch-action: auto; contain: layout;
}
/* 高度上限与滚动由同一容器承担，避免矮视口裁掉内部滚动区的末尾控件。 */
.viewer-scene-panel > summary { position: sticky; top: 0; z-index: 3; box-sizing: border-box; min-height: 46px; padding: 12px 16px; cursor: pointer; font-weight: 650; background: var(--dd-surface, Canvas); }
.viewer-scene-panel-body { box-sizing: border-box; padding: 0 14px 14px; }
.viewer-scene-panel label { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin: 9px 0; }
.viewer-scene-panel input, .viewer-scene-panel select, .viewer-scene-panel button { font: inherit; color: inherit; }
.viewer-scene-panel select, .viewer-scene-panel input[type='search'] { box-sizing: border-box; min-width: 0; max-width: 100%; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; padding: 6px 8px; background: transparent; }
.viewer-scene-panel input[type='search'] { width: 100%; }
.viewer-scene-management input[type='text'] { box-sizing: border-box; width: 100%; min-width: 0; max-width: 100%; padding: 6px 8px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; background: transparent; }
.viewer-scene-management form { margin: 10px 0; }
.viewer-scene-management p { font-size: 13px; overflow-wrap: anywhere; }
.viewer-scene-panel input[type='range'] { width: 100%; }
.viewer-scene-panel input[type='color'] { width: 38px; height: 28px; padding: 2px; border: 0; background: transparent; }
.viewer-scene-panel button { cursor: pointer; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; padding: 6px 9px; background: transparent; }
.viewer-scene-panel button:disabled, .viewer-scene-panel select:disabled { cursor: not-allowed; opacity: 1; }
.viewer-scene-panel button:focus-visible, .viewer-scene-panel input:focus-visible, .viewer-scene-panel select:focus-visible, .viewer-scene-panel summary:focus-visible { outline: 2px solid var(--dd-accent, Highlight); outline-offset: 2px; }
.viewer-scene-panel button[aria-pressed='true'].viewer-scene-name { background: var(--dd-accent-subtle, Highlight); border-color: var(--dd-accent, Highlight); }
.viewer-scene-quality-status, .viewer-scene-review, .viewer-scene-empty, .viewer-scene-notice { font-size: 13px; line-height: 1.6; overflow-wrap: anywhere; color: var(--dd-viewer-muted, GrayText); }
.viewer-scene-panel :is(.viewer-scene-quality-status, .viewer-scene-notice, .viewer-scene-diagnostics):empty { display: none; }
.viewer-scene-count { margin: 12px 0 6px; color: var(--dd-viewer-muted, GrayText); font-size: 12px; }
.viewer-scene-panel .viewer-scene-empty-filter { justify-content: start; gap: 6px; color: var(--dd-viewer-muted, GrayText); font-size: 12px; }
.viewer-scene-list { display: grid; gap: 6px; }
.viewer-scene-row { display: grid; grid-template-columns: 44px 10px minmax(0, 1fr); align-items: center; gap: 8px; }
.viewer-scene-row > .viewer-scene-selected { grid-column: 1 / -1; margin: 2px 0 8px; }
.viewer-scene-row[hidden], .viewer-scene-selected[hidden], .viewer-scene-empty[hidden] { display: none; }
.viewer-scene-panel .viewer-scene-visibility { padding: 5px 2px; font-size: 11px; }
.viewer-scene-swatch { width: 9px; height: 9px; border-radius: 50%; }
.viewer-scene-panel .viewer-scene-name { padding: 5px 7px; text-align: left; overflow-wrap: anywhere; }
.viewer-scene-selected { min-width: 0; margin: 14px 0 10px; padding: 8px 10px; border: 1px solid var(--dd-line, GrayText); border-radius: 10px; }
.viewer-scene-selected legend { max-width: 100%; overflow-wrap: anywhere; font-weight: 600; }
.viewer-scene-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.viewer-scene-panel-body > button { margin: 4px 4px 2px 0; }
@media (max-width: 700px) {
  .viewer-scene-panel { top: auto; bottom: 8px; right: 8px; max-width: calc(100% - 16px); max-height: min(64dvh, calc(100% - 16px)); border-radius: 14px; }
  .viewer-scene-panel > summary { min-height: 46px; padding: 12px 14px; }
}
.viewer-scene-region fieldset { min-width: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 8px 0; padding: 6px 8px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; }
.viewer-scene-region input[type='number'] { box-sizing: border-box; width: 100%; min-width: 0; max-width: 100%; padding: 6px 8px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; background: transparent; }
/* 独立局部切面使用顶层对话框，关闭后不改变主工作区。 */
.viewer-native-preview { box-sizing: border-box; margin: auto; width: min(1000px, calc(100vw - 24px)); max-width: calc(100vw - 24px); max-height: calc(100dvh - 24px); padding: 20px; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--dd-line, GrayText); border-radius: 16px; background: var(--dd-surface, Canvas); color: var(--dd-text, CanvasText); font: 14px/1.6 var(--dd-font, system-ui, sans-serif); }
.viewer-native-preview::backdrop { background: #0008; }
.viewer-native-preview h2 { margin: 0 0 8px; font-size: 20px; }
.viewer-native-preview h3 { margin: 0; font-size: 15px; }
.viewer-native-preview p { margin: 8px 0; overflow-wrap: anywhere; }
.viewer-native-preview form { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin: 16px 0; }
.viewer-native-preview form label { display: grid; flex: 1 1 140px; gap: 4px; min-width: 0; }
.viewer-native-preview input, .viewer-native-preview button { box-sizing: border-box; max-width: 100%; min-width: 0; font: inherit; color: inherit; }
.viewer-native-preview input[type='number'], .viewer-native-preview button { padding: 7px 10px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; background: transparent; }
.viewer-native-preview button { cursor: pointer; }
.viewer-native-preview :is(button, input):focus-visible { outline: 2px solid var(--dd-accent, Highlight); outline-offset: 2px; }
.viewer-seg-export { width: min(720px, calc(100vw - 24px)); }
.viewer-seg-export form { display: block; }
.viewer-seg-export fieldset { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 12px; min-width: 0; margin: 14px 0; padding: 12px; border: 1px solid var(--dd-line, GrayText); border-radius: 10px; }
.viewer-seg-export legend { max-width: 100%; overflow-wrap: anywhere; }
.viewer-seg-export input[type='text'] { width: 100%; padding: 7px 10px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; background: transparent; }
.viewer-seg-export :disabled { opacity: 1; cursor: not-allowed; }
.viewer-native-preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 16px; }
.viewer-native-preview-grid section { min-width: 0; }
.viewer-native-preview-grid input[type='range'] { display: block; width: 100%; margin: 8px 0; }
.viewer-native-preview-grid output { display: block; font-size: 12px; }
/* 影像/渲染画布的暗色留白独立于控件主题，不改预览像素及其对比环境。 */
.viewer-native-preview-image { height: 256px; display: flex; align-items: center; justify-content: center; background: #080b10; border-radius: 8px; overflow: hidden; }
.viewer-native-preview-image canvas { display: block; max-width: 100%; max-height: 100%; }
.viewer-native-preview-image canvas[hidden] { display: none; }
/* 局部体绘制复用现有渲染器，但不占用主视图的画布或交互状态。 */
.viewer-native-volume-target { width: 100%; height: min(45dvh, 400px); min-height: 180px; background: #080b10; border-radius: 8px; overflow: hidden; touch-action: none; }
.viewer-native-volume-controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: 12px; margin: 12px 0; }
.viewer-native-volume-controls label { display: grid; gap: 4px; min-width: 0; }
.viewer-native-volume-controls input { width: 100%; }
.viewer-native-volume select { min-width: 0; max-width: 100%; padding: 7px 10px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; font: inherit; color: inherit; background: transparent; }
.viewer-native-volume-target:focus-visible { outline: 2px solid var(--dd-accent, Highlight); outline-offset: 2px; }
.viewer-native-volume[data-rendered='false'] .viewer-native-volume-target canvas { visibility: hidden; }
/* 原网格候选覆盖使用独立窗口，不把索引切片标成患者方位MPR。 */
.viewer-native-candidate select { min-width: 0; max-width: 100%; padding: 7px 10px; font: inherit; color: inherit; background: transparent; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; }
.viewer-native-candidate fieldset { min-width: 0; flex: 1 1 100%; display: flex; flex-wrap: wrap; gap: 12px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; }
.viewer-native-candidate button:disabled { opacity: 1; cursor: not-allowed; }
.viewer-native-candidate-image { height: 300px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 8px; background: #080b10; }
.viewer-native-candidate-image canvas { max-width: 100%; max-height: 100%; image-rendering: pixelated; }
.viewer-native-candidate-image canvas[hidden] { display: none; }
.viewer-native-candidate fieldset[hidden] { display: none; }
/* 写回确认与候选预览分开；不将默认勾选当作覆盖许可。 */
.viewer-native-write { border-top: 1px solid var(--dd-line, GrayText); margin-top: 16px; padding-top: 14px; }
.viewer-native-write > label { display: grid; gap: 6px; margin: 12px 0; }
.viewer-native-write-summary { margin: 12px 0; padding: 12px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; overflow-wrap: anywhere; }
.viewer-native-write-summary label { display: flex; align-items: start; gap: 8px; margin: 10px 0; }
.viewer-native-write-summary label[hidden], .viewer-native-write-summary[hidden] { display: none; }
.viewer-native-write-summary input[type='checkbox'] { flex: none; margin-top: 5px; }
.viewer-native-write button { margin: 4px 6px 4px 0; }

/* 复用主查看器配色，系统主题与手动主题共用同一组变量。 */
.viewer-scene-panel, .viewer-native-preview { color-scheme: light; }
:root[data-theme='dark'] :is(.viewer-scene-panel, .viewer-native-preview) { color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) :is(.viewer-scene-panel, .viewer-native-preview) { color-scheme: dark; }
}
:is(.viewer-scene-panel, .viewer-native-preview) :is(button, select, input) { font: inherit; }
:is(.viewer-scene-panel, .viewer-native-preview) :is(button, select, input:not([type='checkbox'], [type='radio'], [type='range'], [type='color'])) {
  box-sizing: border-box; min-width: 0; max-width: 100%; min-height: 36px;
  border: 1px solid var(--dd-line, GrayText); border-radius: 8px;
  background: var(--dd-surface-subtle, Canvas); color: var(--dd-text, CanvasText);
}
:is(.viewer-scene-panel, .viewer-native-preview) button { white-space: normal; overflow-wrap: anywhere; transition: border-color .15s; }
:is(.viewer-scene-panel, .viewer-native-preview) button:not(:disabled, [aria-disabled='true']):hover {
  background: var(--dd-soft, ButtonFace); border-color: var(--dd-viewer-muted, GrayText);
}
:is(.viewer-scene-panel, .viewer-native-preview) button[aria-pressed='true'] {
  background: var(--dd-accent-subtle, Highlight); border-color: var(--dd-accent, Highlight); font-weight: 600;
}
:is(.viewer-scene-panel, .viewer-native-preview) :is(button, select, input):is(:disabled, [aria-disabled='true']) {
  color: var(--dd-muted, GrayText); background: var(--dd-soft, ButtonFace);
  border-color: var(--dd-line, GrayText); cursor: not-allowed; opacity: 1; transform: none;
}
:is(.viewer-scene-panel, .viewer-native-preview) :is(input[type='checkbox'], input[type='radio'], input[type='range']) { accent-color: var(--dd-accent, Highlight); }
:is(.viewer-scene-panel, .viewer-native-preview) input::placeholder { color: var(--dd-viewer-muted, GrayText); opacity: 1; }
:is(.viewer-scene-panel, .viewer-native-preview) :is(button, select, input, summary):focus-visible { outline: 2px solid var(--dd-accent, Highlight); outline-offset: 2px; }
/* 增强下拉的列表挂在 body 或 dialog，需把它自己的配色变量接到查看器主题。 */
.viewer-scene-panel .select-menu-control, .viewer-native-preview .select-menu-control,
.viewer-native-preview .select-menu-popup, body:has(.viewer-scene-panel) > .select-menu-popup {
  --text: var(--dd-text, CanvasText); --muted: var(--dd-viewer-muted, GrayText);
  --input-bg: var(--dd-surface-subtle, Canvas); --input-border: var(--dd-line, GrayText);
  --surface-bg: var(--dd-surface, Canvas); --line: var(--dd-line, GrayText);
  --accent: var(--dd-accent, Highlight); --notice-bg: var(--dd-accent-subtle, ButtonFace);
  --focus-ring: var(--dd-accent-subtle, Highlight);
}
body:has(.viewer-scene-panel) > .select-menu-popup .select-menu-option { transition: none; }
:is(.viewer-scene-panel, .viewer-native-preview) .select-menu-control.is-disabled { opacity: 1; color: var(--dd-muted, GrayText); background: var(--dd-soft, ButtonFace); }
:is(.viewer-scene-panel, .viewer-native-preview) .select-menu-control.is-disabled .select-menu-display { color: inherit; background: inherit; border-color: var(--dd-line, GrayText); }
@media (forced-colors: active) {
  :is(.viewer-scene-panel, .viewer-native-preview) :is(button, select, input):disabled { color: GrayText; border-color: GrayText; }
  :is(.viewer-scene-panel, .viewer-native-preview) button[aria-pressed='true'] { outline: 1px solid Highlight; }
}
/* 任务页签仅切换工具，不改变当前画布或渲染方式。 */
.viewer-scene-panel[open] { width: 348px; }
:is(.viewer-scene-panel, .viewer-native-preview)[hidden], :is(.viewer-scene-panel, .viewer-native-preview) [hidden] { display: none !important; }
.viewer-scene-tabs { position: sticky; top: 46px; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; margin: 0 -14px 14px; padding: 0 14px 10px; border-bottom: 1px solid var(--dd-line, GrayText); background: var(--dd-surface, Canvas); }
.viewer-scene-tabs > button { min-height: 38px; border-color: transparent; border-radius: 8px; color: var(--dd-viewer-muted, GrayText); background: transparent; }
.viewer-scene-tabs > button[aria-selected='true'] { color: var(--dd-text, CanvasText); border-color: var(--dd-accent, Highlight); background: var(--dd-accent-subtle, Highlight); font-weight: 650; }
.viewer-scene-page { min-width: 0; }
.viewer-scene-page > .viewer-scene-section:first-child { margin-top: 0; border-top: 0; }
.viewer-scene-section > h3 { margin: 14px 0 10px; font-size: 14px; font-weight: 650; }
.viewer-scene-quick-actions { display: grid; gap: 10px; }
.viewer-scene-quick-actions:empty { display: none; }
.viewer-scene-quick-actions > h3 { margin: 0; font-size: 15px; }
.viewer-scene-quick-actions > p { margin: 0; color: var(--dd-viewer-muted, GrayText); font-size: 13px; }
.viewer-scene-quick-actions :is(.viewer-scene-extract-actions, .viewer-scene-shortcuts) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.viewer-scene-mode-switch { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-bottom: 12px; }
.viewer-scene-mode-switch > button { min-width: 0; min-height: 42px; padding: 8px 4px; }
.viewer-scene-appearance { margin-top: 12px; padding-top: 8px; border-top: 1px solid var(--dd-line, GrayText); }
.viewer-scene-appearance > summary { cursor: pointer; color: var(--dd-viewer-muted, GrayText); font-size: 13px; }
.viewer-scene-basics { margin: 4px 0 12px; }
.viewer-scene-basics > label { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 10px; }
.viewer-scene-basics select, .viewer-scene-basics .select-menu-control { width: 100%; min-width: 0; }
.viewer-scene-section { margin-top: 4px; border-top: 1px solid var(--dd-line, GrayText); }
.viewer-scene-section > summary, .viewer-scene-subsection > summary { padding: 10px 0; font-weight: 600; cursor: pointer; overflow-wrap: anywhere; }
.viewer-scene-section > summary::marker, .viewer-scene-subsection > summary::marker { color: var(--dd-viewer-muted, GrayText); }
.viewer-scene-section > summary:hover, .viewer-scene-subsection > summary:hover { color: var(--dd-accent, Highlight); }
.viewer-scene-section[open] { padding-bottom: 10px; }
.viewer-scene-subsection { margin: 10px 0; padding: 0 10px; border: 1px solid var(--dd-line, GrayText); border-radius: 8px; background: var(--dd-surface-subtle, Canvas); }
.viewer-scene-subsection[open] { padding-bottom: 10px; }
.viewer-scene-section > button, .viewer-scene-subsection > button { margin: 4px 6px 4px 0; }
.viewer-scene-structure-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.viewer-scene-structure-actions > button { margin: 0; }
.viewer-scene-quick-help { padding-left: 22px; margin: 8px 0; font-size: 13px; line-height: 1.65; }
.viewer-scene-quick-help li + li { margin-top: 7px; }
.viewer-scene-diagnostics { margin: 8px 0; font-size: 13px; line-height: 1.6; color: var(--dd-viewer-muted, GrayText); overflow-wrap: anywhere; }
@media (max-width: 700px) {
  .viewer-scene-panel[open] { width: calc(100% - 16px); }
  .viewer-scene-panel :is(button, .select-menu-display, select) { min-height: 44px; }
}