html,body{width:100%;height:100%;margin:0;padding:0;overflow:hidden}*{box-sizing:border-box}#app{width:100vw;height:100vh}canvas{display:block}.developer-hud{color:#fff;z-index:1000;pointer-events:none;background:#000000a6;border-radius:6px;padding:10px 12px;font-family:monospace;font-size:13px;line-height:1.35;position:fixed;top:12px;left:12px}.asset-inspector{color:#fff;z-index:1000;pointer-events:none;background:#000000bf;border-radius:6px;width:240px;padding:12px;font-family:monospace;font-size:13px;line-height:1.35;position:fixed;top:12px;right:12px}.splash-screen{z-index:9999;background:#000;justify-content:center;align-items:center;animation:4.5s forwards splashFadeOut;display:flex;position:fixed;inset:0;overflow:hidden}.splash-logo{width:min(55vw,520px);animation:2s ease-out forwards logoFocusIn}@keyframes logoFocusIn{0%{opacity:0;filter:blur(10px);transform:scale(.96)}to{opacity:1;filter:blur();transform:scale(1)}}@keyframes splashFadeOut{0%{opacity:1}65%{opacity:1}to{opacity:0}}.editor-ui{z-index:900;pointer-events:none;color:#fff;font-family:monospace;display:none;position:fixed;inset:0}.editor-toolbar{pointer-events:none;background:#000000bf;align-items:center;gap:24px;height:34px;padding:8px 12px;display:flex;position:fixed;top:0;left:0;right:0}.editor-panel{pointer-events:auto;background:#000000b8;border:1px solid #ffffff26;padding:10px;font-size:13px;line-height:1.5;position:fixed}.editor-scene{width:180px;height:260px;top:46px;left:12px}.editor-assets{width:180px;height:180px;bottom:12px;left:12px}.editor-inspector{width:260px;min-height:220px;top:46px;right:12px}.editor-scene-tree{margin-top:8px}.tree-group{margin-top:10px;padding-left:8px}.tree-item{cursor:pointer;border-radius:3px;margin-left:8px;padding:2px 4px}.tree-item:hover{background:#ffffff26}