:root{color-scheme:dark;--bg:#17191d;--panel:#202328;--border:#363a41;--text:#e9ebef;--muted:#a5abb5;--accent:#b3e880;--ink:#172215;font-family:Inter,"Segoe UI","Microsoft JhengHei",sans-serif;font-size:14px}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--bg);height:100dvh;display:flex;flex-direction:column;overflow:hidden}button,input,select{font:inherit}button{border:1px solid var(--border);border-radius:6px;background:#2b2f35;color:var(--text);padding:9px 12px;cursor:pointer;transition:background .15s}button:hover{background:#3b424c}button:disabled{opacity:.4;cursor:default}button.active{background:#37432c;border-color:#7a9b59;color:#d7f8b6}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,select{min-width:0;background:#171a1f;color:var(--text);border:1px solid var(--border);border-radius:5px;padding:7px 8px;max-width:100%}input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;vertical-align:middle}input[type=range]{accent-color:var(--accent);padding:0;cursor:pointer}input[type=color]{width:38px;height:28px;padding:2px}header{height:78px;flex-shrink:0;display:flex;align-items:center;gap:12px;padding:0 22px;border-bottom:1px solid var(--border)}.brand{color:inherit;text-decoration:none;display:flex;align-items:center;gap:11px;font-weight:750;letter-spacing:1.6px;font-size:16px;margin-right:25px}.brand small{display:block;letter-spacing:1px;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}.brandmark{width:39px;height:42px;border:2px solid var(--accent);color:var(--accent);font-size:30px;text-align:center;line-height:37px;border-radius:9px 2px 9px 2px;position:relative}.brandmark span{font-size:12px;position:absolute;right:2px;bottom:-8px;background:var(--bg);line-height:14px;padding:0 2px}.imports{display:flex;gap:8px}.primary,.export{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:650}.primary:hover,.export:hover{background:#cdf4aa}.header-spacer{flex:1}.toolbar{min-height:56px;display:flex;gap:14px;align-items:center;padding:8px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}.toolbar label{display:flex;align-items:center;gap:5px;color:var(--muted)}.toolgroup{display:flex;gap:4px;border-right:1px solid var(--border);padding-right:14px}.toolbar button{padding:7px 10px}kbd{font-family:inherit;font-size:12px;opacity:.55;margin-left:8px}main{display:grid;grid-template-columns:222px minmax(0,1fr) 272px;flex:1;min-height:0}.scene-panel,.inspector{background:var(--panel);min-width:0;overflow:auto}.scene-panel{border-right:1px solid var(--border);display:flex;flex-direction:column}.inspector{border-left:1px solid var(--border)}.panel-heading{display:flex;justify-content:space-between;align-items:center;padding:20px 16px 12px}.panel-heading span{font-size:12px;color:var(--muted)}h2{font-size:15px;font-weight:650;margin:0 0 16px}.panel-heading h2{margin:0}h3{font-size:14px;font-weight:500;color:var(--muted);margin:18px 0 8px}#scene-tree{flex:1;overflow:auto;padding:6px 8px}.tree-item{display:flex;align-items:center;gap:4px;margin:3px 0;border-radius:5px}.tree-item.selected{background:#3a4630}.tree-label{border:0;background:transparent;display:flex;align-items:center;text-align:left;gap:8px;flex:1;min-width:0;padding:9px 4px;font-size:14px}.tree-label span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-icon{font-size:11px;color:var(--accent)}.tree-small{padding:4px;border:0;background:none;min-width:25px;color:var(--muted)}.bone-tree{border-left:1px solid #46503d;margin-left:15px;padding-left:5px}.bone-row{display:block;width:100%;text-align:left;background:none;border:0;padding:6px 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.bone-row.active{background:#3a4630}.scene-bottom{padding:16px;border-top:1px solid var(--border)}.scene-bottom button{width:100%}.scene-bottom p{font-size:12px;color:var(--muted);margin-bottom:0}.workspace{min-width:0;display:flex;flex-direction:column;min-height:0}#viewport{position:relative;flex:1;min-height:180px;background-color:#26292e;background-image:linear-gradient(45deg,#30333a 25%,transparent 25%),linear-gradient(-45deg,#30333a 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#30333a 75%),linear-gradient(-45deg,transparent 75%,#30333a 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}canvas{display:block;width:100%;height:100%;touch-action:none}.view-top,.view-bottom{position:absolute;left:18px;right:18px;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}.view-top{top:16px}.view-bottom{bottom:12px;font-size:12px;color:#d6dae0;text-shadow:0 1px 3px #000}.view-bottom span:last-child{font-size:12px}.view-tag{font-size:11px;letter-spacing:1.4px;color:#c2c7d0;background:#202328db;border:1px solid #4c515b;border-radius:4px;padding:8px}.view-tag b{letter-spacing:0;font-size:12px;font-weight:400;margin-left:10px;color:var(--accent)}.camera-views{display:flex;gap:3px;pointer-events:auto}.camera-views button{padding:6px 9px;background:#24282ee6}#empty{position:absolute;z-index:2;left:50%;top:48%;transform:translate(-50%,-50%);text-align:center;width:90%;max-width:460px;background:#24272de8;border:1px dashed #555c68;border-radius:14px;padding:32px 20px;box-shadow:0 25px 80px #0003}.empty-symbol{color:var(--accent);font-size:35px;font-weight:200}h1{font-size:23px;font-weight:550;letter-spacing:.5px}#empty p{font-size:15px;line-height:1.9;color:#b3b9c2}.text-button{display:block;margin:14px auto 0;border:0;background:none;color:var(--accent);font-size:13px}#drop-overlay{position:absolute;inset:12px;z-index:10;border:2px dashed var(--accent);background:#263121ee;border-radius:12px;display:none;align-items:center;justify-content:center;font-size:24px}#viewport.dragover #drop-overlay{display:flex}#timeline{background:#202328;border-top:1px solid var(--border);padding:14px 18px}.timeline-head,.timeline-controls{display:flex;gap:8px;align-items:center}.timeline-head{margin-bottom:12px}.timeline-head>span{color:var(--muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.timeline-head select{flex:1}.timeline-head button,.timeline-controls button{font-size:13px;padding:7px 9px}.timeline-controls #time{flex:1;min-width:50px}.timeline-controls output{font-size:12px;min-width:108px;text-align:center;font-variant-numeric:tabular-nums}.timeline-controls label{white-space:nowrap;font-size:12px}.tabs{position:sticky;top:0;background:var(--panel);z-index:2;display:flex;padding:10px 10px 0;border-bottom:1px solid var(--border);gap:3px}.tabs button{flex:1;background:none;border:0;border-radius:0;padding:12px 5px}.tabs button.active{border-bottom:2px solid var(--accent);color:var(--accent)}.tab-content{padding:20px 16px}.tab-content>h2:not(:first-child){margin-top:28px;border-top:1px solid var(--border);padding-top:22px}.inspector-empty{color:var(--muted);line-height:2;padding-top:12px}.stack{display:flex;flex-direction:column;gap:8px;margin-bottom:15px;color:#c3c8d1}.line{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:13px 0;color:#c3c8d1}.vector{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.vector label{display:flex;flex-direction:column;gap:5px;font-size:12px}.vector input{width:100%;font-size:13px;padding:7px 4px}.vector label:nth-child(1){color:#f19091}.vector label:nth-child(2){color:#a8d89b}.vector label:nth-child(3){color:#9cbcf5}.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hint{font-size:12px;color:var(--muted);line-height:1.8}.wide{width:100%;margin-top:10px}.badge{display:inline-block;font-size:11px;letter-spacing:1px;border:1px solid #536044;padding:4px 6px;color:var(--accent);border-radius:4px;margin-bottom:12px}.model-name{font-size:17px;overflow-wrap:anywhere;margin-bottom:4px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px;border-top:1px solid var(--border);padding-top:16px}.facts div{color:var(--muted);font-size:12px}.facts strong{display:block;color:var(--text);font-size:15px;margin-top:4px;font-weight:500}.warning{font-size:12px;line-height:1.7;color:#edca8c;background:#3d3322;padding:10px;border-radius:5px}footer{height:29px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;font-size:12px;background:#191c20;color:var(--muted);border-top:1px solid var(--border)}#toast{position:fixed;bottom:45px;left:50%;transform:translateX(-50%);z-index:50;padding:14px 22px;background:#e4e9dd;color:#192019;border:1px solid var(--accent);border-radius:8px;max-width:80%;box-shadow:0 6px 30px #0006}dialog{border:1px solid #555c64;border-radius:14px;background:#24282e;color:var(--text);width:min(520px,92vw);max-height:92vh;overflow:auto;padding:25px;box-shadow:0 30px 100px #0009}dialog::backdrop{background:#080b10bd;backdrop-filter:blur(5px)}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.dialog-head h2{font-size:21px;margin-top:7px}.dialog-head small{color:var(--accent);letter-spacing:2px;font-size:11px}.dialog-head button{border:0;background:none}.dialog-head~p,dialog li{line-height:1.8;color:#c4cad3}dialog li{margin-bottom:12px}#export-preview{background:#1a1d22;border:1px solid var(--border);margin-bottom:18px;min-height:100px;display:flex;align-items:center;justify-content:center}#export-preview img{max-width:100%;max-height:200px;display:block}#export-message{font-size:13px;margin-bottom:0}[hidden]{display:none!important}@media(min-width:1600px){main{grid-template-columns:235px minmax(0,1fr) 280px}}@media(max-width:1100px){main{grid-template-columns:185px minmax(0,1fr) 240px}header{padding:0 12px;gap:8px}.brand{margin-right:0}.toolbar{gap:7px;padding:8px}.toolgroup{padding-right:7px}.view-bottom span:last-child{display:none}.timeline-head,.timeline-controls{flex-wrap:wrap}}@media(max-width:800px){body{overflow:auto;height:auto;min-height:100dvh}header{height:auto;min-height:85px;flex-wrap:wrap;padding:12px}.brand{flex:1}.brand small{display:none}.header-spacer{display:none}.toolbar{position:relative}.toolbar kbd{display:none}main{grid-template-columns:160px minmax(0,1fr);min-height:750px;flex:none}.workspace{height:600px}.inspector{grid-column:1/-1;border-top:1px solid var(--border);border-left:0;max-height:460px}.scene-panel{height:600px}.camera-views{gap:1px}.camera-views button{padding:5px}.view-tag{display:none}.view-top{justify-content:flex-end}#empty{padding:20px 12px}h1{font-size:18px}#empty p{font-size:14px}footer{position:sticky;bottom:0}.tabs{justify-content:flex-start}.tabs button{flex:none;min-width:90px}.tab-content{max-width:600px}.timeline-controls label{display:none}}