:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem}canvas{display:block;border-radius:.5rem;image-rendering:pixelated}.hud{display:flex;gap:2rem;margin-bottom:.75rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;color:#fffc}.hud span{background:#00000080;padding:.25rem .75rem;border-radius:.25rem;border:1px solid rgba(255,255,255,.1)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000a1ed9;z-index:10}.overlay-card{text-align:center;padding:2.5rem 3rem;border-radius:1rem;background:#001e3ce6;border:1px solid rgba(100,200,255,.2);max-width:28rem}.overlay-card h1{margin:0 0 .5rem;font-size:2rem;color:#5ce0ff;text-shadow:0 0 20px rgba(92,224,255,.5)}.overlay-card h2{margin:0 0 1rem;font-size:1.4rem;color:#5ce0ff}.overlay-card p{margin:0 0 1.5rem;color:#ffffffb3;font-size:.95rem}.overlay-card .place{font-size:2.5rem;font-weight:700;margin-bottom:.5rem}.overlay-card .place.first{color:gold;text-shadow:0 0 15px rgba(255,215,0,.5)}.overlay-card .place.second{color:silver}.overlay-card .place.third{color:#cd7f32}.overlay-card .place.other{color:#ff6b6b}.btn{background:linear-gradient(135deg,#1a8cff,#00d4ff);color:#fff;border:none;padding:.65rem 2rem;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .2s;box-shadow:0 0 15px #00d4ff4d}.btn:hover{transform:translateY(-1px);box-shadow:0 0 25px #00d4ff80}.controls-hint{margin-top:1rem;font-size:.8rem;color:#fff6}.countdown{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:20;pointer-events:none}.countdown-num{font-size:8rem;font-weight:900;color:#5ce0ff;text-shadow:0 0 40px rgba(92,224,255,.7);animation:countPulse .8s ease-out}@keyframes countPulse{0%{transform:scale(1.5);opacity:0}50%{opacity:1}to{transform:scale(1);opacity:1}}.boost-bar{margin-top:.5rem;width:200px;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.boost-fill{height:100%;background:linear-gradient(90deg,#ff6b00,gold);border-radius:4px;transition:width .1s}