.scene-browser{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:36px;background:var(--bg);font-family:var(--sans)}.scene-browser-toolbar{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);flex-wrap:wrap}.scene-browser-toolbar form{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.scene-browser-toolbar label{font-size:12px;color:var(--muted)}.scene-browser select{min-width:160px;max-width:340px;flex:1;padding:10px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:var(--bg);font:13px var(--sans)}.scene-browser button:disabled{opacity:.48;cursor:not-allowed}.scene-viewport{position:relative;height:clamp(380px,46vw,620px);background:#111519;color:#e5eaf0;isolation:isolate}.scene-viewport:fullscreen{height:100vh;width:100vw}.scene-viewport #scene-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center;pointer-events:none}.scene-viewport #scene-empty[hidden]{display:none}.scene-viewport h3{font:500 clamp(21px,3vw,30px)/1.25 var(--serif);margin:20px 0 10px;color:#e5eaf0}.scene-viewport p{font:14px/1.6 var(--sans);max-width:440px;color:#b4c0cb;margin:0}.scene-viewport span{font:11px/1.6 var(--sans);color:#8d9ba7;margin-top:16px}.scene-viewport svg{color:#8bb8ec}#scene-frame-slot{position:absolute;inset:0}#scene-frame-slot:empty{pointer-events:none}#scene-frame-slot iframe{border:0;display:block;width:100%;height:100%}.scene-browser-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;border-top:1px solid var(--line);flex-wrap:wrap}.scene-browser-bottom p{font:12px/1.5 var(--sans);color:var(--muted);margin:0;flex:1;min-width:170px;overflow-wrap:anywhere}.scene-browser-bottom p[data-state=error]{color:var(--orange)}.scene-actions{display:flex;gap:6px;flex-wrap:wrap}.scene-actions button{background:transparent;color:var(--ink);border:1px solid var(--line);padding:7px 10px;border-radius:6px;font:12px var(--sans);cursor:pointer;min-height:36px}.scene-description{margin:0;padding:0 18px 16px;font:12px/1.6 var(--sans);color:var(--muted)}.scene-instructions{margin-top:18px}.model-url-form{padding:18px 0}.model-url-form label{display:block;font:13px/1.5 var(--sans);margin-bottom:10px}.model-url-form>div{display:flex;gap:8px}.model-url-form input{flex:1;min-width:0;padding:10px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);font:13px var(--sans)}.model-url-form .fine{margin-top:10px}.scene-browser :focus-visible,.model-url-form :focus-visible{outline:2px solid var(--blue);outline-offset:3px}@media(max-width:600px){.scene-browser-toolbar{padding:12px;align-items:stretch}.scene-browser-toolbar form{flex-wrap:wrap;flex-basis:100%}.scene-browser-toolbar label{flex-basis:100%}.scene-browser select{min-width:0;max-width:none}.scene-browser .btn{font-size:12px;padding-inline:12px}.scene-browser-bottom{padding:12px}.scene-browser-bottom p{flex-basis:100%}.scene-viewport{height:420px}.scene-actions{width:100%;justify-content:space-between}.scene-actions button{min-height:42px}.scene-description{padding:0 12px 12px}}