.workbench-view .model-stage:has(.elementary-hud,[data-qed-lab],[data-gr-lab],[data-double-slit-lab],[data-rotation-lab],[data-qcd-lab]){touch-action:pan-y;flex-direction:column;height:clamp(640px,85svh,790px);padding:0 0 62px;display:flex}.workbench-view .model-stage:has(.elementary-hud,[data-qed-lab],[data-gr-lab],[data-double-slit-lab],[data-rotation-lab],[data-qcd-lab]) canvas{touch-action:none;flex:1 1 0;order:2;height:0;min-height:290px}.workbench-view:has(.elementary-hud,[data-qed-lab],[data-gr-lab],[data-double-slit-lab],[data-rotation-lab],[data-qcd-lab])>.canvas-note{display:none}.model-stage .elementary-hud{border-bottom:1px solid #a5b4bf26;flex:none;order:1;padding:20px 24px 12px;font-size:14px;position:static}.model-stage .elementary-hud strong{font-size:17px;line-height:1.4}.model-stage .elementary-hud p{max-width:76ch;line-height:1.55}.model-stage .elementary-live{flex:none;order:3;padding:10px 24px 4px;font-size:13px;position:static}.model-stage [data-qed-lab],.model-stage [data-gr-lab]{display:contents}.model-stage [data-qed-lab] .q-head,.model-stage [data-gr-lab] .g-head{border-bottom:1px solid #a5b4bf26;order:1;padding:18px 24px 12px;position:static}.model-stage [data-qed-lab] .q-caption,.model-stage [data-gr-lab] .g-caption{max-width:76ch;font-size:13px;line-height:1.55}.model-stage [data-qed-lab] .q-legend,.model-stage [data-gr-lab] .g-legend{order:3;padding:8px 24px 0;font-size:11px;position:static}.model-stage [data-qed-lab] .q-bottom,.model-stage [data-gr-lab] .g-bottom{order:4;padding:10px 24px 8px;position:static}.workbench-view .model-toolbar .stage-hint{max-width:45%;line-height:1.4}@media (max-width:600px){.workbench-view .model-stage:has(.elementary-hud,[data-qed-lab],[data-gr-lab],[data-double-slit-lab],[data-rotation-lab],[data-qcd-lab]){height:760px}.model-stage .elementary-hud,.model-stage [data-qed-lab] .q-head,.model-stage [data-gr-lab] .g-head{padding:16px}.model-stage .elementary-live{padding:10px 16px}}.model-stage [data-double-slit-lab]{border-bottom:1px solid #a5b4bf26;flex:none;order:1;padding:20px 24px 12px;position:static}.model-stage [data-double-slit-lab] p{max-width:76ch;font-size:13px;line-height:1.55}.workbench-view .model-stage:has([data-rotation-lab],[data-qcd-lab]){background:#0c141e}.model-stage [data-rotation-lab]{display:contents}.model-stage [data-rotation-lab] .rl-top{color:#d9e4ea;border-bottom:1px solid #a5b4bf26;order:1;padding:20px 24px 12px;position:static}.model-stage [data-rotation-lab] .rl-bottom{order:3;padding:10px 24px;position:static}.model-stage [data-rotation-lab] .rl-caption{max-width:76ch}.workbench-view .model-stage:has([data-qcd-lab]){background:#080e17}.model-stage [data-qcd-lab]{display:contents}.model-stage [data-qcd-lab] .qcd-heading{color:#e3e4df;order:1;max-width:none;padding:20px 24px 12px;position:static}.model-stage [data-qcd-lab] .qcd-caption{max-width:76ch;font-size:13px}.model-stage [data-qcd-lab] .qcd-footer{color:#b3bdc0;order:3;padding:8px 24px;font-size:12px;position:static}.model-stage [data-qcd-lab] .qcd-anchors{z-index:3;pointer-events:none;position:absolute;inset:0}.workbench .control-panel .model-play{white-space:normal;text-align:left;min-width:0;height:auto;min-height:40px;padding:10px 12px;line-height:1.4}.workbench .control-panel .model-play svg{flex-shrink:0}.cell-inspector{border:0;border-top:3px solid var(--structure-color);background:var(--card);width:auto;color:var(--foreground);box-shadow:none;border-radius:0;flex:none;order:1;margin:0;padding:24px;animation:.22s both cell-inspector-in;position:relative;bottom:auto;left:auto}.cell-inspector small{letter-spacing:.13em;color:var(--muted-foreground);font-size:10px}.cell-inspector h3{margin:7px 32px 14px 0;font-size:20px;line-height:1.3}.cell-inspector p{max-width:76ch;margin:0 0 14px;font-size:14px;line-height:1.85}.cell-inspector .cell-inspector-clue{color:var(--muted-foreground);border-top:1px solid var(--border);padding-top:14px;font-size:13px}.cell-inspector-close{color:var(--muted-foreground);padding:5px;font-size:24px;line-height:1;position:absolute;top:16px;right:16px}.cell-inspector-focus{color:#427789;align-items:center;gap:7px;padding:5px 0;font-size:13px;display:flex}.dark .cell-inspector-focus{color:#a1c1cf}@keyframes cell-inspector-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.cell-inspector{padding:20px 16px}.cell-inspector-close{top:12px;right:10px}}@media (prefers-reduced-motion:reduce){.cell-inspector{animation:none}}.workbench{align-items:stretch}.workbench .control-panel{align-self:stretch;height:auto;max-height:none;overflow:visible}.workbench .workbench-view{flex-direction:column;min-height:0;display:flex}.workbench .workbench-view .model-stage{touch-action:pan-y;flex-direction:column;flex:auto;height:auto;min-height:540px;padding-bottom:0;display:flex}.workbench .workbench-view .model-stage canvas{flex:420px;order:2;width:100%;height:0;min-height:360px}.workbench .workbench-view .model-toolbar{border-top:1px solid var(--border);z-index:6;flex-wrap:wrap;flex:none;min-height:72px;margin-top:auto;padding:16px 20px;position:relative;inset:auto}.workbench .model-toolbar .stage-hint{flex:180px;max-width:none}.workbench .model-stage .elementary-live{flex:none;order:3;margin:0;padding:14px 24px;position:static}.workbench .elementary-live output{white-space:pre-line;width:100%}.mechanics-interaction{border-top:1px solid var(--border);order:4;padding:14px 24px;position:relative}.mechanics-interaction button{border:1px solid var(--border);color:var(--foreground);background:var(--background);border-radius:5px;margin:4px 8px 4px 0;padding:9px 13px;font-size:13px}.mechanics-interaction p{margin:8px 0;font-size:13px;line-height:1.7}.mechanics-force-popover{z-index:14;border:1px solid var(--border);background:var(--background);width:230px;color:var(--foreground);pointer-events:auto;border-radius:8px;padding:15px;position:absolute;box-shadow:0 8px 32px #0002}.mechanics-force-popover label{gap:10px;font-size:13px;display:grid}.mechanics-force-popover input{accent-color:#b67b36;width:100%}.mechanics-collision-equation{border-top:1px solid var(--border);color:var(--foreground);background:var(--background);font:15px/1.9 var(--font-mono);white-space:pre-line;order:4;padding:16px 24px;animation:.3s mechanics-result-in}@keyframes mechanics-result-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (max-width:1020px){.workbench .workbench-view .model-stage{flex:none;min-height:540px}.workbench .workbench-view .model-stage canvas{flex-basis:430px}}@media (max-width:600px){.workbench .workbench-view .model-stage{min-height:490px}.workbench .workbench-view .model-stage canvas{flex-basis:350px;min-height:310px}.workbench .workbench-view .model-toolbar{padding:13px}.workbench .model-stage .elementary-live{padding:12px 16px}}@media (prefers-reduced-motion:reduce){.mechanics-collision-equation{animation:none}}.workbench[data-teaching-lab]>.workbench-view{border-radius:0;align-self:stretch;position:relative;top:auto;overflow:visible}.workbench[data-teaching-lab]>.workbench-view>.model-stage{height:auto;min-height:540px;padding-bottom:0}@media (min-width:1021px){.workbench .workbench-view .model-stage{overflow:visible}.workbench .workbench-view .model-stage canvas{flex:0 0 clamp(360px,60vh,600px);height:clamp(360px,60vh,600px);min-height:0;max-height:600px;position:relative;top:auto}.workbench .model-stage .elementary-live{margin-top:0}}.model-stage .elementary-hud>.elementary-formula{flex-wrap:wrap;align-items:center;gap:10px 22px;min-width:0;padding:5px 0;display:flex}.elementary-formula>span{max-width:100%;padding:3px 0}.elementary-formula .katex{font-size:1.08em;line-height:1.5}.balance-weights-dialog{color:var(--foreground,#242a30);background:var(--background,#fff);border:1px solid #9c8058;border-radius:14px;width:min(90vw,390px);margin:auto;padding:28px;box-shadow:0 20px 100px #0005}.balance-weights-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#15100bb3}.balance-weights-dialog h3{margin:0 0 12px;font-size:20px}.balance-weights-dialog p{margin:0 0 20px;line-height:1.6}.balance-weights-dialog input{width:100%;color:inherit;font:inherit;background:0 0;border:1px solid #9c8058;border-radius:7px;padding:10px 14px;font-size:22px}.balance-weights-dialog form>div{justify-content:flex-end;gap:12px;margin-top:22px;display:flex}.balance-weights-dialog button{cursor:pointer;border:1px solid #9c8058;border-radius:6px;padding:9px 18px}.balance-weights-dialog button[type=submit]{color:#fff;background:#665036}.balance-loading{color:#f0dfbe;text-align:center;pointer-events:none;position:absolute;inset:44% 10% auto}.cradle-lesson{border-top:1px solid var(--border,#ccc);margin:64px 0 40px;padding-top:30px}.cradle-lesson>p{max-width:90ch;color:var(--muted-foreground);line-height:1.85}.cradle-stage{border:1px solid var(--border,#ccc);border-radius:8px;height:560px;margin:22px 0 16px;overflow:hidden}.cradle-stage .model-stage{height:100%!important;min-height:0!important}.cradle-controls{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:20px;display:flex}.cradle-controls button,.cradle-controls select{border:1px solid var(--border,#ccc);background:var(--background);color:var(--foreground);border-radius:5px;padding:8px 15px}.cradle-controls label{align-items:center;gap:9px;display:flex}@media (max-width:700px){.cradle-stage{height:430px}}._fullButton_1k7m2_2{z-index:5;color:#2a3138;cursor:pointer;background:#ffffffe6;border:1px solid #0000001f;border-radius:9px;place-items:center;width:36px;height:36px;transition:background .15s;display:grid;position:absolute;bottom:12px;right:12px}._fullButton_1k7m2_2:hover{background:#fff}.dark ._fullButton_1k7m2_2{color:#e6e9ec;background:#15191de6;border-color:#ffffff24}._fullHint_1k7m2_5{z-index:5;color:#fff;pointer-events:none;background:#000000a6;border-radius:999px;padding:5px 11px;font-size:12px;position:absolute;bottom:18px;right:58px}._debug_1k7m2_6{z-index:6;color:#a5f3a5;pointer-events:none;white-space:pre;background:#000000b8;border-radius:8px;padding:6px 10px;font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;position:absolute;top:12px;right:12px}._notice_1k7m2_7{z-index:7;color:#6b4b10;background:#fff8e8;border:1px solid #e9cf96;border-radius:10px;align-items:flex-start;gap:12px;width:min(460px,100% - 28px);padding:12px 14px;font-size:13px;line-height:1.55;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000001f}._notice_1k7m2_7 button{color:inherit;cursor:pointer;background:0 0;border:0;flex:none;font-weight:600}.dark ._notice_1k7m2_7{color:#f0d79a;background:#2a2210;border-color:#6b5420}._fullTarget_1k7m2_11{background:#f6f8fa;overflow:auto}.dark ._fullTarget_1k7m2_11{background:#0e1012}._stageFull_1k7m2_13{height:100%!important;min-height:0!important;max-height:none!important}._recenter_1k7m2_15{z-index:4;color:#fff;background:#141a208c;border:0;border-radius:999px;padding:8px 14px;font-size:13px;position:absolute;bottom:14px;left:50%;transform:translate(-50%);box-shadow:inset 0 0 0 1px #ffffff4d}._recenter_1k7m2_15:active{background:#141a20bf}