:root{--brand-deep: #1F1B3D;--brand-violet: #5B4BD8;--brand-violet-soft: #ECEAFB;--chrome-graphite: #17171D;--chrome-graphite-raised: #2A2934;--chrome-graphite-hover: #343240;--chrome-graphite-border: rgba(255, 255, 255, .16);--chrome-text-muted: rgba(255, 255, 255, .7);--surface: #FFFFFF;--surface-2: #F6F7FB;--surface-inset: #EEF1F7;--canvas-top: #F7F8FB;--canvas-bottom: #E9ECF3;--ground: #FAFBFD;--grid-minor: #DEE2EC;--grid-major: #C5CAD6;--text: #0F1230;--text-muted: #5A6079;--success: #22A06B;--success-text: #167854;--warning: #D9821A;--danger: #D24858;--axis-x: #E5484D;--axis-y: #30A46C;--axis-z: #3E63DD;--border: #DEE2EC;--shadow-elevation: 0 6px 24px rgba(15, 18, 48, .1);--radius-chip: 8px;--radius-button: 12px;--radius-panel: 16px;--motion-fast: .12s;--motion-base: .18s;--motion-slow: .24s;--ease-out: cubic-bezier(.2, .8, .2, 1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--canvas-bottom);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}button,input{font:inherit}button{border:0}button:focus-visible,input:focus-visible{outline:2px solid var(--brand-violet);outline-offset:2px}kbd{display:inline-block;padding:0 8px;border:1px solid var(--grid-major);border-bottom-width:2px;border-radius:var(--radius-chip);background:var(--surface-2);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.app-shell{display:grid;grid-template-rows:56px minmax(0,1fr);height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) 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button{margin-top:8px;padding:4px 12px;border-radius:999px;background:#ffffff29;color:#fff;font-size:12px;font-weight:700;cursor:pointer}.app-shell:fullscreen,.play-room-page:fullscreen{width:100vw;height:100dvh;overflow:hidden}.topbar{position:relative;z-index:20;display:grid;grid-template-columns:minmax(280px,1fr) auto minmax(320px,1fr);align-items:center;height:56px;padding:0 16px;gap:16px;background:var(--chrome-graphite);color:#fff;border-bottom:1px solid 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span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scene-title-button:disabled{cursor:default;opacity:.85}.readonly-chip{display:inline-flex;align-items:center;min-height:24px;padding:2px 8px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#ffffffe0;font-size:11px;font-weight:800;white-space:nowrap}.multiplayer-chip{display:inline-flex;align-items:center;gap:5px;min-height:24px;padding:2px 8px;border:1px solid rgba(45,212,191,.36);border-radius:999px;background:#14b8a624;color:#ccfbf1;font-size:11px;font-weight:800;white-space:nowrap}.physics-chip{display:inline-flex;align-items:center;gap:5px;min-height:24px;padding:2px 8px;border:1px solid rgba(99,102,241,.34);border-radius:999px;background:#6366f124;color:#e0e7ff;font-size:11px;font-weight:800;white-space:nowrap}.scene-title-input{border:1px solid var(--chrome-graphite-border);padding:0 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play-pulse{0%,to{opacity:1}50%{opacity:.35}}@media(prefers-reduced-motion:reduce){.play-status-chip.is-playing:before{animation:none}.runtime-click-ripple{display:none}}.grid-menu-wrap{position:relative}.grid-menu{position:absolute;top:calc(100% + 8px);left:50%;width:340px;transform:translate(-50%);border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface);color:var(--text);box-shadow:var(--shadow-elevation)}.workspace{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);min-height:0;overflow:hidden}.app-shell.is-playing .workspace{grid-template-columns:minmax(0,1fr)}.left-dock{position:relative;z-index:12;grid-column:1;min-height:0;background:#ffffffeb;border-right:1px solid var(--border)}.dock-strip{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 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var(--border);border-radius:var(--radius-button);background:var(--surface-2);color:var(--text);font-size:12px;font-weight:750}.scene-mode-toggle{display:flex;align-items:center;gap:8px;min-height:30px;color:var(--text-muted);font-size:12px;font-weight:800}.scene-mode-toggle input{width:16px;height:16px;accent-color:var(--brand-violet)}.scene-mode-range{display:grid;gap:5px}.scene-mode-range input{width:100%;accent-color:var(--brand-violet)}.scene-mode-note{margin:0;color:var(--text-muted);font-size:11px;font-weight:650;line-height:1.35}.runtime-audio-toggle{position:absolute;right:18px;bottom:18px;z-index:12;min-height:34px;padding:0 12px;border:1px solid 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var(--border);border-radius:999px;background:#fffffff0;color:var(--text-muted);font-size:12px;font-weight:600;box-shadow:var(--shadow-elevation)}.scene-hud-chip{padding:8px 12px}.road-builder-menu{position:absolute;top:72px;left:50%;z-index:13;display:flex;align-items:center;justify-content:center;gap:6px;max-width:calc(100% - 32px);padding:6px;transform:translate(-50%);border:1px solid var(--border);border-radius:var(--radius-panel);background:#fffffff5;box-shadow:var(--shadow-elevation);pointer-events:auto}.road-builder-option{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:104px;height:38px;padding:6px 11px 6px 7px;border:1px solid rgba(91,75,216,.28);border-radius:999px;background:#fffffff7;color:#252a44;font:800 12px/1.1 Inter,system-ui,sans-serif;box-shadow:0 14px 32px #18123b2e,0 2px 8px #18123b14;transform:translateY(0);transition:background-color .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease,transform .12s 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48px));transform:translate(-50%);pointer-events:none}.runtime-goal{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.runtime-goal-chip{border-radius:999px;padding:5px 12px;background:#fffffff0;border:1px solid rgba(255,255,255,.72);color:var(--text);font-size:14px;font-weight:800;box-shadow:var(--shadow-elevation)}.runtime-goal-lives{color:#d24858}.runtime-score,.runtime-text{border:1px solid rgba(255,255,255,.72);border-radius:var(--radius-button);background:#fffffff0;color:var(--text);box-shadow:var(--shadow-elevation)}.runtime-score{padding:8px 12px;color:var(--brand-violet);font-size:13px;font-weight:800}.runtime-score.is-pop{animation:runtime-score-pop .36s var(--ease-out)}.runtime-click-ripple{position:absolute;z-index:15;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid rgba(91,75,216,.76);border-radius:999px;background:#5b4bd81f;pointer-events:none;animation:runtime-click-ripple .46s var(--ease-out) forwards}@keyframes 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var(--brand-violet);outline-offset:2px}.code-tab{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 6px 0 12px;border-radius:var(--radius-chip);background:#ffffff8a;border:1px solid rgba(113,120,150,.22);color:var(--text-muted);flex-shrink:0;box-shadow:0 1px 2px #0f12300a;transition:background var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out)}.code-tab:hover{background:var(--surface);border-color:#5b4bd838;color:var(--text)}.code-tab.is-active{background:var(--brand-violet-soft);color:var(--brand-violet);border-color:#5b4bd857;box-shadow:0 2px 8px #5b4bd81a}.code-tab-button{border:0;background:transparent;color:inherit;font-size:13px;font-weight:700;cursor:pointer;padding:0;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.code-tab-actions{display:inline-flex;align-items:center;gap:3px;flex:0 0 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scale(1.06);transition:opacity var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out);will-change:left,top,transform,opacity}.library-drag-preview.is-over-scene{opacity:0;transform:translate3d(-50%,-50%,0) scale(.82)}.library-drag-preview .asset-thumbnail-frame{width:64px;height:64px}.asset-thumbnail-frame{display:grid;place-items:center;width:58px;height:58px;overflow:hidden;line-height:0;pointer-events:none}.asset-thumbnail-frame.is-fallback{color:currentColor}.asset-thumbnail,.asset-icon-fallback{display:block;max-width:100%;max-height:100%}.asset-thumbnail{width:100%;height:100%;object-fit:contain;image-rendering:auto}.app-shell.library-drag-active .resource-panel{box-shadow:-10px 0 28px #0f12301a,inset 1px 0 #5b4bd81f}.asset-tile.is-audio{cursor:default}.asset-tile.is-audio .asset-card{border-style:dashed}.asset-meta{color:var(--text-muted);font-size:10px;font-weight:750}.resource-panel .library-content{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%}.resource-panel .library-toolbar{align-items:stretch;padding:12px;border-bottom:1px solid var(--border)}.resource-panel .search-field{width:100%}.resource-panel .library-browser{display:grid;grid-template-columns:144px minmax(0,1fr);min-width:0;min-height:0}.resource-panel .category-column{flex-direction:column;align-items:stretch;gap:6px;flex:initial;padding:10px 8px;border-right:1px solid var(--border);overflow-x:hidden;overflow-y:auto;scroll-snap-type:none}.resource-panel .category-column::-webkit-scrollbar{width:6px;height:6px}.resource-panel .category-button{justify-content:flex-start;width:100%;min-height:34px;padding:0 9px;border-radius:var(--radius-chip);font-size:12px;line-height:1.15;white-space:normal;scroll-snap-align:none}.resource-panel .category-button span{min-width:0;overflow-wrap:anywhere}.resource-panel .asset-strip{grid-template-columns:repeat(auto-fill,minmax(94px,1fr));grid-auto-rows:118px;gap:10px;min-height:0;padding:12px}.resource-panel .asset-empty{min-height:0;padding:16px}.resource-panel .dock-environment{height:100%;flex-direction:column;align-items:stretch;gap:18px;padding:14px;overflow-x:hidden;overflow-y:auto}.resource-panel .dock-environment-controls{flex-direction:column;gap:14px;width:100%}.resource-panel .dock-environment-controls .environment-preset-grid{grid-template-columns:repeat(2,minmax(0,1fr));min-width:0}.resource-panel .dock-environment-row{flex-direction:column;align-items:stretch;gap:12px}.resource-panel .dock-environment-row 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rotate(45deg)}.animator-key-dot:hover,.animator-key-dot:focus-visible{outline:none}.animator-key-dot:hover:before,.animator-key-dot:focus-visible:before{background:var(--brand-teal)}.animator-key-dot.is-selected{z-index:4}.animator-key-dot.is-selected:before{background:var(--brand-violet);box-shadow:0 0 0 4px #5b4bd82e,0 5px 14px #241e4738}.animator-part-key.is-open:before{background:var(--brand-teal)}.animator-part-key.is-closed:before{background:var(--text-muted)}.animator-keyframe-popover{position:absolute;bottom:calc(100% + 8px);z-index:8;display:inline-flex;align-items:center;gap:5px;min-height:30px;padding:4px 5px 4px 7px;border:1px solid var(--border);border-radius:var(--radius-button);background:var(--surface);color:var(--text-muted);box-shadow:0 8px 22px #0f123029;font-size:11px;font-weight:800;transform:translate(-50%)}.animator-keyframe-popover input{width:58px;height:22px;min-height:22px;padding:0 4px;border:1px solid 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var(--border);border-radius:var(--radius-chip);background:var(--surface-2);color:var(--text);font-size:12px;font-weight:650}.project-share-meta{color:var(--text-muted);font-size:11px;font-weight:700}.project-share-room-code{display:grid;justify-items:center;gap:2px}.project-share-room-code span{color:var(--text-muted);font-size:10px;font-weight:850;letter-spacing:0;text-transform:uppercase}.project-share-room-code strong{color:var(--brand-violet);font-size:26px;line-height:1;letter-spacing:0}.project-share-room-ready .play-room-classroom-controls{width:100%;max-width:none}.project-share-empty{min-height:148px;display:grid;place-items:center;align-content:center;gap:8px;padding:12px;border:1px dashed var(--border);border-radius:8px;background:var(--surface-2);text-align:center}.project-share-empty svg{color:var(--brand-violet)}.project-share-empty strong{color:var(--text);font-size:14px}.project-share-empty span{max-width:260px;color:var(--text-muted);font-size:12px;font-weight:650;line-height:1.35}.project-share-error{margin:0;color:var(--danger);font-size:12px;font-weight:750}.project-share-actions{display:flex;flex-wrap:wrap;gap:8px}.project-share-actions .primary-panel-button,.project-share-actions .secondary-panel-button{min-height:34px;padding:0 12px;font-size:12px}.project-share-actions .danger{color:var(--danger)}.play-room-classroom-controls{display:grid;gap:8px;min-width:230px;padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.play-room-classroom-controls.is-compact{min-width:220px;max-width:260px;padding:8px}.play-room-classroom-head{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--text-muted);font-size:12px;font-weight:800}.play-room-classroom-head span{display:inline-flex;align-items:center;gap:5px}.play-room-freeze-button{justify-content:center;width:100%;min-height:30px;font-size:12px}.play-room-participant-list{display:grid;gap:6px;max-height:170px;margin:0;padding:0;overflow:auto;list-style:none}.play-room-participant-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px;border:1px solid var(--border);border-radius:7px;background:var(--surface-2)}.play-room-participant-name{display:block;max-width:150px;overflow:hidden;color:var(--text);font-size:12px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.play-room-participant-meta,.play-room-participant-empty,.play-room-classroom-error{font-size:11px;color:var(--text-muted)}.play-room-classroom-error{margin:0;color:var(--danger)}.play-room-page{min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) 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rgba(91,75,216,.22);border-radius:999px;background:#fffffff0;box-shadow:0 10px 28px #0f12301f;color:var(--text);font-size:13px;font-weight:700}.play-room-freeze-banner,.play-room-waiting-banner{position:absolute;top:18px;left:50%;z-index:5;transform:translate(-50%);padding:8px 14px;border:1px solid rgba(91,75,216,.2);border-radius:999px;background:#fffffff2;box-shadow:0 10px 28px #0f12301f;color:var(--text);font-size:13px;font-weight:800}.play-room-classroom-overlay{position:absolute;z-index:5;top:16px;right:16px;width:min(280px,calc(100vw - 32px))}.play-room-state,.play-room-card{margin:auto}.play-room-card{width:min(420px,calc(100vw - 32px));padding:22px;border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface);box-shadow:0 16px 40px #0f123017}.play-room-card h1{margin:0 0 8px;font-size:22px}.play-room-card p{margin:0 0 16px;color:var(--text-muted)}@media(max-width:760px){.landing-room-join,.projects-room-join,.project-share-panel{align-items:stretch;flex-direction:column}.landing-room-join,.projects-room-join,.landing-room-join input,.landing-room-button,.projects-room-join input,.projects-room-join button{width:100%}.project-share-panel{left:12px;right:12px;width:auto}.play-room-classroom-overlay{top:12px;right:12px;left:12px;width:auto;z-index:20}}@media(orientation:landscape)and (((max-width:940px)and (max-height:520px))or ((any-pointer:coarse)and (max-height:700px))){.mobile-fullscreen-control{display:flex}}.ar-entry{display:none;align-items:center;gap:5px;height:32px;padding:0 12px;border-radius:var(--radius-button);background:var(--brand-violet);color:var(--surface);border:1px solid transparent;box-shadow:var(--shadow-elevation);font-size:12px;font-weight:700;white-space:nowrap;cursor:pointer;pointer-events:all;transition:background var(--motion-fast),color 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var(--border);cursor:pointer}.ar-viewer-body{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto}.ar-viewer[data-ar-session-active=true] .ar-viewer-body{align-items:flex-end;justify-content:center;padding:0 16px max(18px,env(safe-area-inset-bottom));overflow:hidden;pointer-events:none}.ar-viewer-state{display:flex;flex-direction:column;align-items:center;gap:12px;max-width:460px;text-align:center}.ar-viewer[data-ar-session-active=true] .ar-viewer-state{width:100%;max-width:none;min-height:100%;justify-content:flex-end;pointer-events:none}.ar-viewer-stage{display:inline-flex;align-items:center;justify-content:center;width:96px;height:96px;border-radius:50%;background:var(--surface-inset);color:var(--brand-violet);border:1px solid var(--border)}.ar-viewer-stage.is-muted{color:var(--text-muted)}.ar-viewer-stage.is-error{color:var(--danger, #d24858)}.ar-viewer[data-ar-session-active=true] 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ease}.luduum-object-picker-item:hover{background:var(--surface-2)}.luduum-object-picker-item.is-selected{background:var(--brand-violet);color:#fff;font-weight:600}.luduum-object-picker-item.is-selected:hover{background:var(--brand-violet);filter:brightness(1.04)}.luduum-object-picker-empty{padding:14px 9px;color:var(--text-muted);font:inherit;text-align:center}@media(orientation:landscape)and (((max-width:940px)and (max-height:520px))or ((any-pointer:coarse)and (max-height:700px))){.luduum-object-picker{--lud-picker-rows: 5;--lud-picker-row-h: 1.75em;width:202px;padding:7px}}.code-panel.is-picking{transform:translate(calc(100% - 14px));opacity:.35;pointer-events:none;transition:transform var(--motion-base) cubic-bezier(.2,.8,.2,1),opacity var(--motion-base) cubic-bezier(.2,.8,.2,1)}.object-pick-banner{position:absolute;top:16px;left:50%;transform:translate(-50%);z-index:40;display:flex;align-items:center;gap:12px;padding:8px 8px 8px 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