:root{--bg: #000000;--panel: rgba(18, 18, 20, .55);--panel-strong: rgba(22, 22, 24, .75);--hair: rgba(255, 255, 255, .06);--hair-strong: rgba(255, 255, 255, .12);--text: rgba(255, 255, 255, .96);--text-mid: rgba(255, 255, 255, .62);--text-dim: rgba(255, 255, 255, .4);--text-faint: rgba(255, 255, 255, .22);--hover: rgba(255, 255, 255, .04);--hover-strong: rgba(255, 255, 255, .08);--shadow-soft: 0 8px 32px rgba(0, 0, 0, .45);--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, ui-sans-serif, system-ui, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;--radius: 12px;--radius-sm: 8px;--pad: 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cubic-bezier(.22,1,.36,1)}#sidebar.sidebar-minimized,#scene-panel.sidebar-minimized{max-height:38px;max-width:38px;width:38px;min-height:38px;padding:0;overflow:hidden}#sidebar.sidebar-minimized header,#scene-panel.sidebar-minimized header{padding:0;border:0;height:38px;justify-content:center}#sidebar.sidebar-minimized header .title,#sidebar.sidebar-minimized header #add-viewpoint,#sidebar.sidebar-minimized #viewpoint-list,#sidebar.sidebar-minimized .hint,#scene-panel.sidebar-minimized header .title,#scene-panel.sidebar-minimized header .add-splat,#scene-panel.sidebar-minimized .layer-list,#scene-panel.sidebar-minimized .hint{display:none}#sidebar.sidebar-minimized .sidebar-toggle,#scene-panel.sidebar-minimized .sidebar-toggle{width:38px;height:38px;margin:0}#sidebar.sidebar-minimized .sidebar-toggle svg,#scene-panel.sidebar-minimized .sidebar-toggle svg{transform:rotate(180deg)}#scene-panel{transition:max-width .28s cubic-bezier(.22,1,.36,1),max-height .28s 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.sidebar-toggle svg{width:16px;height:16px;display:block}#sidebar header{display:flex;align-items:center;justify-content:flex-start;gap:8px;padding:12px 14px 10px;border-bottom:1px solid var(--hair)}#sidebar header .title{flex:1;font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--text-mid)}#sidebar button{background:transparent;color:var(--text);border:1px solid var(--hair-strong);border-radius:6px;padding:4px 10px;cursor:pointer;font-family:var(--font-ui);font-size:11px;font-weight:500;letter-spacing:.02em;transition:background .12s,border-color .12s}#sidebar button:hover{background:var(--hover-strong);border-color:#ffffff38}#sidebar .vp-header-btn{padding:4px 6px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-mid)}#sidebar .vp-header-btn:hover{color:var(--text)}#sidebar .vp-header-btn svg{display:block}#sidebar.sidebar-minimized header 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4px;line-height:1}#viewpoint-list li:hover .del{visibility:visible}#viewpoint-list li .del:hover{color:var(--text)}#sidebar .hint{border-top:1px solid var(--hair);padding:10px 14px;font-size:9.5px;color:var(--text-dim);line-height:1.6;letter-spacing:.02em}#sidebar .hint .hint-row{display:flex;flex-wrap:wrap;align-items:center;gap:3px 6px;margin:3px 0}#sidebar .hint .hint-key{font-size:10.5px;display:inline-block;width:14px;margin-right:4px;filter:grayscale(1) brightness(2);opacity:.7;vertical-align:-1px}#sidebar .hint kbd{margin:0 1px}body.phone-device #sidebar .hint,body.phone-device #scene-panel .hint{display:none}@media(orientation:landscape)and (max-height:520px){body.phone-device #sidebar{max-height:36%}body.phone-device #scene-panel{max-height:64%}}@media(orientation:landscape)and (max-height:520px){body.phone-device .lil-gui.root{width:220px!important;max-width:220px!important;top:12px!important;right:12px!important;bottom:auto!important;max-height:calc(100vh - 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auto;min-height:0;max-height:40%;display:flex;flex-direction:column;overflow:hidden;background:var(--panel);backdrop-filter:blur(28px) saturate(140%);-webkit-backdrop-filter:blur(28px) saturate(140%);border:1px solid var(--hair);border-radius:var(--radius);box-shadow:var(--shadow-soft)}#sidebar.sidebar-minimized~#scene-panel{max-height:100%}#left-stack:has(#scene-panel.sidebar-minimized) #sidebar{max-height:100%}#scene-panel header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 10px;border-bottom:1px solid var(--hair)}#scene-panel header .title{font-family:var(--font-ui);font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--text-mid)}#scene-panel .add-splat,#scene-panel .scene-min{background:transparent;color:var(--text);border:1px solid var(--hair-strong);border-radius:6px;padding:4px 10px;cursor:pointer;font-family:var(--font-ui);font-size:11px;font-weight:500;letter-spacing:.02em;transition:background .12s,border-color .12s}#scene-panel .scene-min{padding:0;width:22px;height:22px;font-size:14px;line-height:1;margin-left:auto}#scene-panel .add-splat:hover,#scene-panel .scene-min:hover{background:var(--hover-strong);border-color:#ffffff38}#scene-panel .layer-list,#scene-panel .hint{overflow:hidden;max-height:800px;opacity:1;transition:max-height .28s cubic-bezier(.22,1,.36,1),opacity .18s ease,padding .28s cubic-bezier(.22,1,.36,1),margin .28s cubic-bezier(.22,1,.36,1)}#scene-panel.minimized .layer-list,#scene-panel.minimized .hint{max-height:0;opacity:0;padding-top:0;padding-bottom:0;margin:0}#scene-panel.minimized header{cursor:pointer}#scene-panel .layer-list{list-style:none;margin:0;padding:6px;overflow-y:auto;flex:1}#scene-panel .layer-list .empty{padding:12px 10px;font-family:var(--font-ui);font-size:11px;color:var(--text-dim);text-align:center;letter-spacing:.02em}#scene-panel .layer{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:var(--radius-sm);font-size:12px;color:var(--text);transition:background .12s}#scene-panel .layer:hover{background:var(--hover)}#scene-panel .layer.hidden-layer .name,#scene-panel .layer.hidden-layer .count{opacity:.4}#scene-panel .layer .eye{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;background:transparent;border:1px solid var(--hair);color:var(--text);font-size:11px;cursor:pointer;padding:0;transition:background .12s,border-color .12s,color .12s}#scene-panel .layer .eye:hover{background:var(--hover-strong);border-color:#ffffff38}#scene-panel .layer.hidden-layer .eye{color:var(--text-dim);background:#ffffff05}#scene-panel .layer .name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em;font-weight:400}#scene-panel .layer .count{font-family:var(--font-mono);font-size:9.5px;color:var(--text-mid);font-variant-numeric:tabular-nums}#scene-panel .layer 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18px;background:#0f1012eb;border:1px solid rgba(255,255,255,.16);border-radius:14px;color:var(--text);font-family:var(--font-ui);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);box-shadow:0 12px 40px #0000008c;opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s ease}#hand-tracking-tip.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}#hand-tracking-tip .ht-title{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-mid);margin-bottom:8px}#hand-tracking-tip .ht-rows{display:flex;flex-direction:column;gap:4px}#hand-tracking-tip .ht-row{display:flex;align-items:center;gap:10px;font-size:13px}#hand-tracking-tip .ht-glyph{display:inline-flex;align-items:center;justify-content:center;width:18px;font-size:12px;color:#ffffff8c}body.phone:not(.tablet) 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var(--hair-strong);box-shadow:var(--shadow-soft);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);opacity:0;transition:opacity .22s ease,transform .22s cubic-bezier(.16,1,.3,1);font-family:var(--font-mono)}#hand-gesture-hud[hidden]{display:none}#hand-gesture-hud.show{opacity:1;transform:translate(-50%) translateY(0)}#hand-gesture-hud .hgh-label{color:var(--text);font-size:10.5px;font-weight:500;letter-spacing:.22em;text-transform:uppercase}#hand-toggle.active~#hand-preview-wrap{display:block}#hand-video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);filter:grayscale(.35) contrast(1.05)}#hand-hint{display:none;font-size:10px;color:var(--text-dim);line-height:1.55;letter-spacing:.02em;padding:2px 2px 0}#hand-toggle.active~#hand-hint{display:block}.hand-status{font-size:10px;color:var(--text-mid);font-family:var(--font-mono);min-height:14px;letter-spacing:.04em}#hand-error{display:none;background:#ff64640f;border:1px solid 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