*{margin:0;padding:0;box-sizing:border-box;font-family:Quicksand,PingFang SC,system-ui,sans-serif}body{background:#0a0a2e;min-height:100vh;display:flex;justify-content:center;align-items:center}.container{width:420px;max-width:100vw;min-height:680px;background:linear-gradient(135deg,#1a1a4e,#2d2d6b,#1a1a4e);border-radius:24px;padding:16px;box-shadow:0 20px 60px #000c;position:relative;overflow:hidden}.cloud-badge{position:absolute;top:8px;right:12px;color:#888;font-size:12px;background:#ffffff1a;padding:2px 8px;border-radius:20px;z-index:10}.startScreen{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px 0}.title{font-size:36px;font-weight:800;color:gold;text-shadow:0 0 20px #ffd700,0 0 40px #ff8c00;letter-spacing:4px;transform:rotate(-2deg)}.trackPreview{width:200px;height:120px;background:linear-gradient(180deg,#4facfe,#00f2fe);border-radius:16px;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 20px #00c8ff4d}.previewCar{width:80px;height:80px;object-fit:contain;filter:drop-shadow(0 0 10px cyan)}.selectGroup{width:100%;display:flex;flex-direction:column;gap:8px}.selectGroup label{color:#ccc;font-size:14px}.carOptions,.trackOptions{display:flex;gap:8px;flex-wrap:wrap}.carBtn,.trackBtn{display:flex;flex-direction:column;align-items:center;padding:8px 12px;border:2px solid transparent;border-radius:16px;background:#ffffff14;color:#fff;cursor:pointer;transition:all .2s;font-size:12px}.carBtn.active,.trackBtn.active{border-color:gold;background:#ffd70033;box-shadow:0 0 12px #ffd70066}.carBtn.locked,.trackBtn.locked{opacity:.4;cursor:not-allowed}.highScore{color:#aaa;font-size:14px;padding:8px;background:#0000004d;border-radius:12px}.playBtn{background:linear-gradient(135deg,#ff8a65,#ff6b9d);color:#fff;border:none;padding:14px 40px;font-size:22px;font-weight:700;border-radius:999px;box-shadow:0 6px #0000004d,0 8px 30px #ff6b9d66;cursor:pointer;transition:all .15s}.playBtn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px #0003,0 12px 40px #ff6b9d99}.playBtn:active{transform:translateY(2px);box-shadow:0 2px #0006}.playBtn.secondary{background:#444;box-shadow:0 4px #222}.gameScreen{position:relative;height:620px;display:flex;flex-direction:column}.hud{display:flex;justify-content:space-around;padding:8px 4px;color:gold;font-size:14px;background:#0006;border-radius:12px;margin-bottom:6px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.trackArea{flex:1;position:relative;border-radius:16px;overflow:hidden;box-shadow:inset 0 0 40px #0009}.playerCar{position:absolute;width:50px;height:50px;transition:left .05s linear;display:flex;justify-content:center;align-items:center;z-index:5}.playerCar img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 0 15px cyan)}.obstacle{position:absolute;display:flex;justify-content:center;align-items:center}.obstacle.cone img{width:100%;height:100%}.obstacle.barrier{background:tomato;border-radius:8px;box-shadow:0 0 10px red;color:#fff;font-size:24px}.powerup{position:absolute;display:flex;justify-content:center;align-items:center;animation:glow 1s infinite alternate}@keyframes glow{0%{filter:drop-shadow(0 0 4px cyan)}to{filter:drop-shadow(0 0 16px cyan)}}.touchControls{display:flex;justify-content:center;gap:40px;padding:8px}.touchBtn{width:60px;height:60px;border-radius:50%;background:#ffffff26;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:2px solid #ffd700;color:gold;font-size:28px;cursor:pointer;display:flex;justify-content:center;align-items:center;box-shadow:0 4px #555;transition:.1s}.touchBtn:active{transform:translateY(4px);box-shadow:0 0 #555}.gameoverScreen{display:flex;flex-direction:column;align-items:center;gap:20px;padding:40px 0}.gameoverTitle{font-size:48px;color:#ff4500;text-shadow:0 0 30px red,0 0 60px darkred}.finalScore{text-align:center;color:#fff;font-size:20px}.newRecord{color:gold;font-size:24px;animation:bounce .6s cubic-bezier(.68,-.55,.265,1.55) infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.resultActions{display:flex;gap:20px}