:root{--bg: #0a0b0a;--glass: rgba(16, 18, 15, .78);--glass-strong: rgba(13, 15, 12, .94);--line: rgba(255, 255, 255, .07);--line-strong: rgba(255, 255, 255, .14);--text: #dde0d4;--text-dim: #9ba18f;--muted: #6b7166;--accent: #c4e36f;--accent-dim: rgba(196, 227, 111, .12);--accent-line: rgba(196, 227, 111, .45);--danger: #ff8c6b;--sans: "DM Sans", system-ui, -apple-system, sans-serif;--mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;--radius: 12px;--radius-sm: 7px;--pad: 14px;--dock-w: 284px;--top-h: 44px;--bottom-h: 52px;--ease: cubic-bezier(.2, .7, .2, 1);--shadow: 0 12px 40px rgba(0, 0, 0, .45), 0 1px 0 rgba(255, 255, 255, .04) inset;color-scheme:dark;font-family:var(--sans);font-size:13px;color:var(--text);background:var(--bg);font-synthesis:none;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg)}button,input,select{font:inherit;color:inherit}button{background:none;border:0;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{opacity:.45;cursor:wait}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}[hidden]{display:none!important}kbd{font:10px var(--mono);padding:2px 5px;border-radius:4px;border:1px solid var(--line-strong);background:#ffffff0a;color:var(--text-dim);line-height:1;white-space:nowrap}code{font:10px var(--mono)}.icon{display:inline-block;vertical-align:middle;flex-shrink:0}.app{position:fixed;inset:0;overflow:hidden;background:var(--bg)}.stage{position:absolute;inset:0}#simulation{display:block;width:100%;height:100%;touch-action:none;cursor:none}.stage-vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.28) 100%)}.brush-cursor{position:absolute;width:0;height:0;border:1px solid rgba(255,255,255,.85);border-radius:50%;transform:translate(-50%,-50%);pointer-events:none;opacity:0;mix-blend-mode:difference;transition:opacity .15s}.brush-cursor:after{content:"";position:absolute;left:50%;top:50%;width:3px;height:3px;margin:-1.5px;border-radius:50%;background:#fff}.brush-cursor.visible{opacity:1}.brush-cursor.erasing{border-style:dashed}.loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;font:11px var(--mono);letter-spacing:.4px;color:var(--text-dim);background:#0a0b0a99;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.loader-orbit{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--line-strong);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hint{position:absolute;left:50%;bottom:calc(var(--pad) + var(--bottom-h) + 14px);transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-size:11px;color:var(--text-dim);pointer-events:none;white-space:nowrap;transition:opacity .4s,transform .4s var(--ease);animation:rise .6s var(--ease) both;animation-delay:1.2s;opacity:0;animation-fill-mode:forwards}.hint .icon{color:var(--accent)}.hint.dismissed,.app[data-hud=off] .hint{opacity:0!important;transform:translate(-50%,6px);animation:none}@keyframes rise{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.panel,.chip{background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);box-shadow:var(--shadow)}.panel{border-radius:var(--radius)}.chip{display:inline-flex;align-items:center;gap:8px;height:var(--top-h);padding:0 12px;border-radius:999px;white-space:nowrap}.chip.group{gap:2px;padding:0 6px}.divider{width:1px;height:18px;background:var(--line-strong);margin:0 5px;flex-shrink:0}.icon-button{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-dim);transition:background .15s,color .15s,transform .15s;flex-shrink:0}.icon-button:hover{background:#ffffff12;color:var(--text)}.icon-button:active{transform:scale(.95)}.icon-button.active,.icon-button[aria-pressed=true]{color:var(--accent);background:var(--accent-dim)}.icon-button.primary{color:var(--bg);background:var(--accent)}.icon-button.primary:hover{background:#d4ee8a;color:var(--bg)}.icon-button.small{width:26px;height:26px;border-radius:6px}.icon-button.small .icon{width:13px;height:13px}.text-button{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 10px;border-radius:8px;font-size:12px;font-weight:500;color:var(--text-dim);transition:background .15s,color .15s}.text-button:hover{background:#ffffff12;color:var(--text)}.text-button[aria-expanded=true]{color:var(--text);background:#ffffff12}.hud{position:absolute;z-index:2;transition:opacity .28s var(--ease),transform .32s var(--ease),visibility .28s}.app[data-hud=off] .hud{opacity:0;pointer-events:none;visibility:hidden}.app[data-hud=off] .hud-top{transform:translateY(-12px)}.app[data-hud=off] .hud-bottom{transform:translateY(12px)}.app[data-hud=off] .dock-left{transform:translate(-16px)}.app[data-hud=off] .dock-right{transform:translate(16px)}.hud-reveal{position:absolute;z-index:3;right:var(--pad);bottom:var(--pad);height:36px;padding:0 12px 0 10px;font-size:11px;color:var(--text-dim);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .3s,transform .3s var(--ease),color .15s}.hud-reveal .icon{color:var(--accent)}.app[data-hud=off] .hud-reveal{opacity:.55;pointer-events:auto;transform:none}.app[data-hud=off] .hud-reveal:hover,.app[data-hud=off] .hud-reveal:focus-visible{opacity:1;color:var(--text)}.hud-top{z-index:4;top:var(--pad);left:var(--pad);right:var(--pad);display:flex;align-items:center;gap:8px;pointer-events:none}.hud-top>*{pointer-events:auto}.hud-spacer{flex:1;pointer-events:none!important}.brand{font-weight:700;letter-spacing:-.3px;font-size:13px;padding-left:9px}.brand-mark{width:22px;height:22px;color:var(--accent);display:inline-flex}.brand-text span{font-weight:400;color:var(--text-dim);margin-left:3px}.specimen{font-size:12px;font-weight:500}.specimen-id{font:10px var(--mono);color:var(--muted)}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);animation:pulse 1.8s ease-in-out infinite}.live-dot.paused{background:var(--muted);box-shadow:none;animation:none}@keyframes pulse{50%{box-shadow:0 0 0 5px #c4e36f0f}}.export-wrap{position:relative}.menu{position:absolute;top:calc(100% + 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.icon{width:13px;height:13px}.field{margin-top:12px}.field:first-child{margin-top:4px}.field-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:4px}.field-head label{font-size:11.5px;font-weight:500;color:var(--text)}.field-head label i{font:italic 10px var(--mono);color:var(--muted);margin-left:3px}.field-head output,.field-head .value{font:11px var(--mono);color:var(--accent);font-variant-numeric:tabular-nums}.field-head .value{width:64px;text-align:right;background:none;border:0;border-bottom:1px dotted transparent;padding:1px 0;border-radius:0;cursor:text;transition:border-color .15s}.field-head .value:hover{border-bottom-color:var(--accent-line)}.field-head .value:focus{outline:none;border-bottom-color:var(--accent);color:var(--text)}.field-hint{margin:2px 0 0;font-size:10px;line-height:1.5;color:var(--muted)}.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}.pair .field-head 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p{margin:0}.source-note{font-size:11px}.source-note a{color:var(--accent)}.shortcut-list{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px}.shortcut-list div{display:flex;align-items:center;justify-content:space-between;gap:10px;height:32px;font-size:12px;color:var(--text-dim);border-bottom:1px solid var(--line)}.app[data-light=true] .stage-vignette{background:radial-gradient(ellipse at center,transparent 60%,rgba(0,0,0,.12) 100%)}.app[data-light=true] .panel,.app[data-light=true] .chip{background:#0c0e0bdb}@media(max-width:820px){:root{--pad: 10px;--top-h: 40px}.brand-text,.specimen-id,.link-chip{display:none}.brand{padding:0 9px}.chip.group .text-button span{display:none}#fullscreen,#about,.chip.group .divider:first-of-type{display:none}.dock{top:auto;left:var(--pad);right:var(--pad);width:auto;max-height:min(52dvh,460px);bottom:calc(var(--pad) + var(--bottom-h) + 10px)}.dock-left[data-open=false],.dock-right[data-open=false],.app[data-hud=off] .dock{transform:translateY(14px)}.dock-close{display:inline-flex}.hud-bottom{display:flex;justify-content:center}.status,.shortcuts{display:none}.toolbar{padding:0 6px}.brush-size{width:64px;padding:0 4px}.zoom-label{min-width:40px}.hint{display:none}.shortcut-list{grid-template-columns:1fr}}@media(max-width:420px){.toolbar #step,.toolbar .brush-size,.toolbar #zoom-out,.toolbar #zoom-in,.toolbar .zoom-label{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.hint{opacity:1}}.colors{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:center;margin-top:12px}.color-field{position:relative;display:flex;align-items:center;gap:8px;height:40px;padding:0 8px;border-radius:8px;border:1px solid var(--line-strong);background:#ffffff08;cursor:pointer;transition:border-color .15s}.color-field:hover{border-color:#ffffff40}.color-field input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.color-field:focus-within{outline:2px solid var(--accent);outline-offset:1px}.color-swatch{width:22px;height:22px;border-radius:6px;flex-shrink:0;box-shadow:0 0 0 1px #ffffff24 inset}.color-meta{display:flex;flex-direction:column;gap:1px;min-width:0}.color-meta>span{font-size:10px;color:var(--text-dim)}.color-meta code{color:var(--text);font-size:10px}#swap-colors{color:var(--muted)}#swap-colors:hover{color:var(--accent)}.app[data-tool=hand] #simulation{cursor:grab}.app[data-tool=hand] #simulation:active{cursor:grabbing}.app[data-tool=hand] .brush-cursor{display:none}.app[data-embed=true] .hud,.app[data-embed=true] .hud-reveal,.app[data-embed=true] .hint,.app[data-embed=true] .stage-vignette{display:none!important}.app[data-embed=true] .toast{display:none}.menu-option{display:flex;align-items:center;gap:8px;padding:6px 10px 10px;font-size:11px;color:var(--text-dim);cursor:pointer}.menu-option input,.check-field input{accent-color:var(--accent);width:14px;height:14px;margin:0}.embed-options{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:end;margin:4px 0 12px}.embed-options .select-field{margin:0}.check-field{display:flex;align-items:center;gap:8px;height:32px;font-size:11.5px;color:var(--text-dim);cursor:pointer}.code-box{width:100%;resize:vertical;padding:10px 12px;border-radius:8px;border:1px solid var(--line-strong);background:#00000059;color:var(--text);font:11px/1.55 var(--mono);white-space:pre;overflow-x:auto}.code-box:focus{outline:2px solid var(--accent);outline-offset:1px}.dialog-actions{display:flex;align-items:center;gap:8px;margin-top:12px}.primary-button{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:8px;background:var(--accent);color:var(--bg);font-size:12px;font-weight:600;transition:background .15s}.primary-button:hover{background:#d4ee8a}.saved-head{display:flex;align-items:center;justify-content:space-between;height:38px;margin:14px 8px 0 14px;border-top:1px solid var(--line);padding-top:10px}.saved-title{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600}.saved-title .icon{color:var(--accent);width:14px;height:14px}.saved-count{font:10px var(--mono);color:var(--muted);font-weight:400}.text-button.small{height:28px;padding:0 8px;font-size:11px;gap:5px}.text-button.small .icon{width:13px;height:13px}.saved{padding-top:0}.saved-card{position:relative;cursor:pointer}.saved-card .preset-art{background-color:#000}.preset-delete{color:var(--muted);opacity:0;transition:opacity .15s,color .15s;align-self:start}.saved-card:hover .preset-delete,.saved-card:focus-within .preset-delete{opacity:1}.preset-delete:hover{color:var(--danger);background:#ff8c6b1f}.saved-empty{font-size:10.5px;line-height:1.6;color:var(--muted);margin:4px 14px 8px}.text-input{width:100%;height:36px;margin-top:6px;padding:0 12px;border-radius:8px;border:1px solid var(--line-strong);background:#ffffff08;color:var(--text);font-size:13px}.text-input:focus{outline:2px solid var(--accent);outline-offset:1px}.link-chip{gap:7px;padding:0 12px 0 10px;font-size:12px;font-weight:500;color:var(--text-dim);cursor:pointer;transition:color .15s,border-color .15s}.link-chip:hover{color:var(--text)}.link-chip .icon{color:var(--muted)}.link-dot{width:7px;height:7px;border-radius:50%;background:var(--muted)}.link-chip.overlapping{color:var(--accent);border-color:var(--accent-line)}.link-chip.overlapping .icon{color:var(--accent)}.link-chip.overlapping .link-dot{background:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);animation:pulse 1.2s ease-in-out infinite}.link-intro{margin-top:4px}.link-open{width:100%;justify-content:center;margin-top:10px}.link-open kbd{margin-left:2px;color:var(--bg);border-color:#00000040;background:#0000001a}.link-status{margin:12px 0 0;padding:9px 10px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#ffffff05;font-size:10.5px;line-height:1.5;color:var(--text-dim);transition:border-color .2s,color .2s,background .2s}.link-status.overlapping{border-color:var(--accent-line);color:var(--accent);background:var(--accent-dim)}.start-mode{margin-top:2px}.start-preview{position:relative;margin:10px 0;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius-sm)}.start-preview canvas{display:block;width:100%;height:auto}.start-preview>span{position:absolute;left:0;bottom:0;padding:5px 8px;font:9px var(--mono);color:var(--text-dim);background:var(--glass-strong);border-radius:0 var(--radius-sm) 0 0}.seed-number{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11.5px;margin-top:12px}.seed-number input{width:122px;padding:6px 8px;text-align:right;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#ffffff08;color:var(--accent);font:11px var(--mono)}.start-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:10px 0 6px}.start-actions button{justify-content:center;padding:0 7px;font-size:11px}.start-actions .text-button{border:1px solid var(--line-strong)}.start-actions .icon{width:13px;height:13px}.start-image .image-upload{display:flex;align-items:center;justify-content:center;gap:8px;position:relative;padding:10px;margin-bottom:5px;border-radius:var(--radius-sm);border:1px dashed var(--accent-line);color:var(--accent);font-size:11px;cursor:pointer}.image-upload input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.image-upload:focus-within{outline:2px solid var(--accent);outline-offset:2px}#start-playback{margin-top:10px}.start-tuning{margin:12px 0 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.start-tuning>summary{padding:9px 0;height:auto;font-size:11px;color:var(--text-dim)}.start-tuning>summary .icon{margin-left:auto;width:12px;height:12px}.start-tuning[open]{padding-bottom:10px}.dimension-toggle{width:var(--top-h);padding:0;justify-content:center;color:var(--text-dim)}.dimension-toggle .icon{width:19px;height:19px}.dimension-toggle:hover{color:var(--text);border-color:var(--accent-line)}.floor-toggle{margin:8px 0 4px}.dimension-toggle[aria-pressed=true]{color:var(--accent);border-color:var(--accent-line);background:var(--accent-dim)}.object-shapes{display:flex;gap:6px;margin:4px 0 10px}.object-shapes button{flex:1;padding:10px;border:1px solid var(--line-strong);border-radius:7px;color:var(--text-dim)}.object-shapes button[aria-pressed=true]{border-color:var(--accent-line);color:var(--accent);background:var(--accent-dim)}.app[data-dimension="3d"] #simulation{cursor:crosshair}.app[data-dimension="3d"][data-tool=hand] #simulation{cursor:grab}.app[data-dimension="3d"][data-tool=hand] #simulation:active{cursor:grabbing}.app[data-dimension="3d"] .brush-cursor{display:none}.app[data-dimension="3d"] .status{font-size:9px;gap:6px;padding:0 9px}@media(max-width:820px){.hud-top{gap:5px}.hud-top>.chip{flex-shrink:0}.hud-top>.specimen{min-width:0;flex-shrink:1;padding:0 9px}#specimen-name{overflow:hidden;text-overflow:ellipsis}.live-dot{flex-shrink:0}}@media(max-width:350px){.hud-top>.specimen{display:none}}.select-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:36px;padding:8px 10px;border:1px solid var(--line-strong);border-radius:8px;background:#ffffff09;color:var(--text);font:11px var(--mono);text-align:left}.select-trigger>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.select-trigger:hover{background:#fff1;border-color:#ffffff40}.select-trigger[aria-expanded=true]{border-color:var(--accent-line);background:var(--accent-dim)}.select-caret{flex-shrink:0;width:6px;height:6px;border-right:1px solid var(--text-dim);border-bottom:1px solid var(--text-dim);transform:rotate(45deg) translateY(-2px);margin:0 3px}.select-trigger[aria-expanded=true] .select-caret{transform:rotate(225deg) translate(-1px,-1px);border-color:var(--accent)}.select-wrap>select[hidden]~.icon{display:none}.select-popup{position:fixed;inset:auto;margin:0;padding:5px;overflow-y:auto;overscroll-behavior:contain;border:1px solid var(--line-strong);border-radius:10px;background:#171b17;color:var(--text);box-shadow:0 12px 36px #0009,0 1px #ffffff08 inset;font:11px/1.5 var(--mono);scrollbar-width:thin;scrollbar-color:var(--muted) transparent}.select-popup::backdrop{background:transparent}.select-option{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px;padding:8px 10px;border:1px solid transparent;border-radius:6px;cursor:pointer}.select-option[aria-selected=true]{color:var(--accent)}.select-option[aria-selected=true]:after{content:"✓"}.select-option.highlighted{background:var(--accent-dim);border-color:var(--accent-line)}.select-option[aria-disabled=true]{color:var(--muted);cursor:not-allowed}.dimension-ghost{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.app[data-transitioning=true] #simulation{pointer-events:none}.app[data-transitioning=true] .loading{z-index:2}.scene-objects{display:grid;gap:5px;margin-bottom:8px}.scene-objects button{display:flex;align-items:center;gap:8px;width:100%;padding:9px;border:1px solid var(--line-strong);border-radius:7px;background:#ffffff06;color:var(--text);text-align:left;font:11px var(--mono)}.scene-objects button[aria-pressed=true]{border-color:var(--object-color);background:var(--accent-dim)}.scene-objects small{margin-left:auto;color:var(--text-dim);font-size:10px}.object-dot{width:8px;height:8px;border-radius:50%;background:var(--object-color)}.scene-actions{display:flex;gap:4px;align-items:center}.scene-actions .icon-button{margin-left:auto}.object-position{display:flex;gap:6px;margin:10px 0}.object-position label{flex:1;min-width:0;color:var(--text-dim);font:10px var(--mono)}.object-position input{width:100%;margin-top:5px;padding:6px;border:1px solid var(--line-strong);border-radius:6px;background:#ffffff08;color:var(--text);font:11px var(--mono)}.app[data-tool=object] #simulation{cursor:move}.mesh-report{padding:12px;border:1px solid var(--line-strong);border-radius:8px;color:var(--text-dim);font:11px/1.6 var(--mono);white-space:pre-line}.scene-quickbar{position:absolute;top:auto;bottom:calc(var(--pad) + var(--bottom-h) + 6px);left:50%;transform:translate(-50%);width:max-content;max-width:calc(100% - 20px);height:48px;padding:5px 8px;display:flex;gap:8px;align-items:center;flex-wrap:nowrap;border-radius:12px;z-index:22}.scene-mode{width:114px;flex:0 0 114px}.scene-mode>span,.scene-range>span{display:block;font:8px var(--mono);color:var(--text-dim);margin-bottom:2px}.scene-mode .select-trigger{height:24px;min-height:24px;padding:0 7px;font-size:10px}.scene-range{width:94px;flex:0 1 94px;min-width:48px}.scene-quickbar[data-multiple=false] .scene-range{width:154px;flex-basis:154px}.scene-cut-scopes{display:flex;gap:2px}.scene-cut-scopes .icon-button{width:28px;height:30px}.scene-cut-scopes .icon-button[aria-pressed=true]{color:var(--accent);background:var(--accent-dim)}.scene-range input{width:100%;height:24px}.scene-quickbar .text-button{height:28px;padding:0 5px;font-size:10px}.scene-feedback{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.scene-handles{position:absolute;inset:0;pointer-events:none;z-index:15}.scene-handle{position:absolute;pointer-events:auto;transform:translate(-50%,-50%);display:flex;gap:7px;align-items:center;padding:8px 10px;border:1px solid var(--object-color);border-radius:20px;background:#0a0d11d9;box-shadow:0 3px 18px #0005;color:var(--text);font:10px var(--mono);cursor:grab;touch-action:none}.scene-handle svg{color:var(--object-color);width:13px;height:13px}.scene-handle[aria-pressed=true]{box-shadow:0 0 0 2px var(--object-color),0 3px 18px #0005}.scene-handle:active{cursor:grabbing}.app[data-hud=off] .scene-handles,.app[data-embed=true] .scene-handles{display:none}.app[data-tool=object] #simulation{cursor:grab}.app[data-tool=object] #simulation:active{cursor:grabbing}@media(max-width:820px){.scene-quickbar{gap:6px}.scene-range{width:72px;flex-basis:72px}.scene-mode{width:104px;flex-basis:104px}.scene-handle{padding:7px 9px;font-size:9px}.app[data-dimension="3d"] .dock{bottom:calc(var(--pad) + var(--bottom-h) + 64px);max-height:min(46dvh,400px)}}#scene-depth[aria-pressed=true]{color:var(--accent);background:var(--accent-dim);border-radius:6px}@media(max-width:380px){.app[data-dimension="3d"] .toolbar{gap:0;padding:0 5px}.app[data-dimension="3d"] .toolbar .icon-button{width:30px}.app[data-dimension="3d"] .toolbar .divider{margin:0 3px}}