:root{color:#eef2f7;font-family:Segoe UI,Yu Gothic UI,sans-serif;background:#000}*{box-sizing:border-box}html,body,#app{width:100%;height:100%}body{margin:0;overflow:hidden;background:#000}canvas{display:block}#app{position:relative}#loadingPanel{position:fixed;left:50%;top:50%;z-index:20;width:min(280px,calc(100vw - 32px));padding:10px 12px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#0a0c10d1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 16px 34px #00000073;transition:opacity .22s ease,transform .22s ease;transform:translate(-50%,-50%)}#loadingPanel.is-hidden{opacity:0;transform:translate(-50%,calc(-50% + 8px));pointer-events:none}#loadingLabel{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#e8eef5c7}#loadingTrack{position:relative;height:6px;margin-top:8px;overflow:hidden;border-radius:999px;background:#ffffff1f}#loadingBar{width:0%;height:100%;border-radius:inherit;background:linear-gradient(90deg,#5eead4,#22c55e);transition:width .18s ease}#loadingText{margin-top:8px;font-size:12px;color:#d6e0ebbd}#hud{position:fixed;top:16px;left:16px;z-index:10;max-width:min(360px,calc(100vw - 32px));padding:14px 16px;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:#0a0c10ad;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 18px 44px #0000006b}#title{margin:0 0 6px;font-size:19px;font-weight:700;letter-spacing:.04em}#scenePickerWrap{display:grid;gap:6px;margin-top:10px;margin-bottom:8px}#scenePickerWrap span{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#d6e0ebb8}#scenePicker{width:100%;padding:10px 12px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#12161ceb;color:#eef2f7;font:inherit}#scenePicker:focus{outline:2px solid rgba(94,234,212,.35);outline-offset:2px}#metaSize{margin-top:4px;font-size:13px;color:#d6e0ebbd;line-height:1.45}#cameraHud{position:fixed;right:16px;bottom:16px;z-index:10;min-width:220px;padding:10px 12px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:#0a0c10ad;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 18px 44px #0000006b;font-size:12px;line-height:1.5;color:#d6e0ebcc;font-family:Consolas,Courier New,monospace}@media(max-width:640px){#loadingPanel{width:min(280px,calc(100vw - 24px))}#hud{top:12px;left:12px;right:12px;max-width:none}#cameraHud{right:12px;bottom:12px;min-width:0}}