:root{--neon-blue: #00f2ff;--neon-purple: #bc13fe;--neon-pink: #ff00ff;--bg-dark: #0a0a12}.game-container{width:100%;height:100vh;background:var(--bg-dark);position:relative;overflow:hidden;font-family:Segoe UI,system-ui,sans-serif;color:#fff;-webkit-user-select:none;user-select:none}.sky-gradient{position:absolute;top:0;width:100%;height:60%;background:linear-gradient(to bottom,#1a1a2e,#0a0a12)}.grid-floor{position:absolute;bottom:0;width:100%;height:40%;background-image:linear-gradient(var(--neon-purple) 1px,transparent 1px),linear-gradient(90deg,var(--neon-purple) 1px,transparent 1px);background-size:40px 40px;transform:perspective(500px) rotateX(60deg);transform-origin:top;opacity:.3;box-shadow:0 -50px 100px var(--neon-purple)}.hud{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:flex-start;z-index:10}.hud-item{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:6px 12px;border-radius:20px;font-size:12px;display:flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.1)}.cloud-sync{color:var(--neon-blue)}.hud-main{display:flex;flex-direction:column;align-items:center;gap:10px}.stat-box{font-size:48px;font-weight:900;text-shadow:0 0 20px var(--neon-blue);display:flex;align-items:center;gap:10px}.icon-zap{color:var(--neon-blue);filter:drop-shadow(0 0 5px var(--neon-blue))}.lives-box{display:flex;gap:8px}.stage{position:absolute;width:100%;height:100%;pointer-events:none}.player{position:absolute;left:150px;width:80px;height:80px;z-index:5}.player img{width:100%;height:100%;object-fit:contain}.player-placeholder{font-size:60px;display:flex;justify-content:center;align-items:center}.player-shadow{position:absolute;bottom:-10px;left:10%;width:80%;height:10px;background:#00000080;border-radius:50%;filter:blur(4px)}.obstacle{position:absolute;width:60px;height:60px;display:flex;justify-content:center;align-items:center}.obstacle img{width:100%;height:100%;object-fit:contain}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:100}.menu-card{text-align:center;padding:40px;border-radius:30px;background:linear-gradient(145deg,#1a1a2e,#16213e);border:2px solid var(--neon-blue);box-shadow:0 0 50px #00f2ff33;max-width:400px;width:90%}.menu-card h1{font-size:42px;margin:0 0 10px;background:linear-gradient(to right,var(--neon-blue),var(--neon-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:4px}.btn-primary{background:var(--neon-blue);color:#000;border:none;padding:15px 40px;font-size:18px;font-weight:700;border-radius:50px;cursor:pointer;display:flex;align-items:center;gap:10px;margin:30px auto;transition:all .3s}.btn-primary:hover:not(:disabled){transform:scale(1.05);box-shadow:0 0 30px var(--neon-blue)}.btn-primary:disabled{opacity:.5;cursor:wait}.final-score{font-size:80px;font-weight:900;color:var(--neon-pink);text-shadow:0 0 30px var(--neon-pink);line-height:1}.new-record{color:gold;font-weight:700;margin:10px 0;animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.hint{font-size:14px;opacity:.6}