*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0b0f14;--panel: rgba(16, 22, 30, .82);--line: rgba(120, 200, 255, .25);--accent: #36c2ff;--good: #38d66b;--warn: #ffcc33;--bad: #ff5468;--text: #e8f2fb;--muted: #8aa0b4}html,body{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Noto Sans TC,sans-serif;overflow:hidden}#app{position:fixed;top:0;right:0;bottom:0;left:0}#scene{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}#cam-wrap{position:absolute;right:16px;bottom:16px;width:240px;height:180px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#000;box-shadow:0 6px 24px #00000080}#cam,#overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;transform:scaleX(-1)}#cam{object-fit:cover}#cam-label{position:absolute;left:8px;top:6px;font-size:10px;letter-spacing:2px;color:var(--muted);background:#0006;padding:2px 6px;border-radius:4px}#hud{position:absolute;left:16px;top:16px;width:240px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hud-row{display:flex;align-items:center;gap:10px;margin:8px 0}.hud-key{width:64px;font-size:12px;color:var(--muted);flex:none}.hud-val{font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.bar{flex:1;height:8px;background:#ffffff14;border-radius:4px;overflow:hidden}.bar-fill{height:100%;width:0%;background:var(--accent);transition:width .12s linear}#view-toggle{position:absolute;right:16px;top:16px;display:flex;gap:6px}#view-toggle button{background:var(--panel);color:var(--muted);border:1px solid var(--line);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13px}#view-toggle button.active{color:var(--text);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}#pause-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;background:#060a0e80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:30}.pause-card{text-align:center;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px 44px}.pause-title{font-size:34px;font-weight:700;letter-spacing:2px}.pause-sub{margin-top:8px;color:var(--muted);font-size:15px}#model-toggle{position:absolute;right:16px;top:60px;display:flex;gap:6px}#model-toggle button{background:var(--panel);color:var(--muted);border:1px solid var(--line);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}#model-toggle button.active{color:var(--text);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}#start-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#06090deb;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10}.start-card{width:480px;max-width:90vw;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px 32px}.start-card h1{font-size:28px;letter-spacing:1px}.start-card .sub{color:var(--muted);margin:4px 0 18px}.howto{list-style:none;margin:0 0 16px}.howto li{font-size:14px;color:var(--text);padding:6px 0;border-bottom:1px solid rgba(255,255,255,.05)}.howto b{color:var(--accent)}.note{font-size:12px;color:var(--muted);margin-bottom:16px;line-height:1.5}#btn-start{width:100%;padding:14px;font-size:16px;font-weight:600;cursor:pointer;background:var(--accent);color:#021018;border:none;border-radius:10px}#btn-start:hover{filter:brightness(1.08)}.kbd{font-size:12px;color:var(--muted);text-align:center;margin-top:12px}.err{color:var(--bad);font-size:13px;text-align:center;margin-top:10px;min-height:18px}.cmd-stop{color:var(--bad)!important}.cmd-go{color:var(--good)!important}.cmd-turn{color:var(--warn)!important}