html,body{margin:0;padding:0;height:100%;background:#05060f;overflow:hidden;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#e8ecff}#scene{position:fixed;top:0;right:0;bottom:0;left:0;display:block;touch-action:none}#overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 40%,#1e2450eb,#03040afa);transition:opacity .5s ease}#overlay.hidden{opacity:0;pointer-events:none}#start-btn{background:none;border:none;color:#fff;font-family:inherit;font-weight:700;font-size:clamp(2.75rem,13vw,5.5rem);letter-spacing:.2em;padding:24px 0 24px .2em;cursor:pointer;text-shadow:0 0 40px rgba(140,160,255,.5)}#start-btn:active{opacity:.6}#hud{position:fixed;bottom:18px;right:18px;z-index:5;display:flex;align-items:center;gap:10px}#mute-btn,#camera-btn,#mic-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1rem}#light-label{font-size:.75rem;opacity:.7}#camera-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:15;background:#000;display:flex;align-items:center;justify-content:center}#camera-video{width:100%;height:100%;object-fit:cover}#camera-controls{position:absolute;bottom:36px;left:0;right:0;display:flex;justify-content:center;gap:16px}#camera-controls button{border:none;border-radius:999px;padding:12px 26px;font-size:.95rem;letter-spacing:.03em;cursor:pointer}#camera-capture{background:linear-gradient(135deg,#5b7cff,#8f5bff);color:#fff}#camera-cancel{background:#ffffff1f;color:#fff}#mic-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:15;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#03040a8c;pointer-events:none}#mic-ring{width:64px;height:64px;border-radius:50%;border:3px solid #ff6b8a;box-shadow:0 0 20px #ff6b8ab3;animation:mic-pulse 1s ease-in-out infinite}@keyframes mic-pulse{0%,to{transform:scale(.9);opacity:.7}50%{transform:scale(1.15);opacity:1}}#mic-overlay p{opacity:.85}#toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%) translateY(10px);z-index:20;background:#141628e6;border:1px solid rgba(255,255,255,.15);padding:10px 18px;border-radius:999px;font-size:.85rem;opacity:0;transition:opacity .25s ease,transform .25s ease;pointer-events:none}#toast.visible{opacity:1;transform:translate(-50%) translateY(0)}.hidden{display:none!important}