:root{--neon-blue: #00f2ff;--neon-pink: #ff2d55;--bg-dark: #05050a;--card-bg: rgba(20, 20, 30, .8)}.app-container{width:100vw;height:100vh;background:var(--bg-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-family:Inter,system-ui,sans-serif;overflow:hidden;position:relative}.cloud-badge{position:absolute;top:20px;right:20px;background:#ffffff0d;padding:8px 16px;border-radius:30px;display:flex;align-items:center;gap:10px;font-size:12px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;color:#ffffffb3}.spin{animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.selection-screen{flex-direction:column;gap:30px;background:radial-gradient(circle at center,#1a1a2e,#05050a)!important}.selection-title{font-size:28px;font-weight:900;letter-spacing:4px;text-transform:uppercase;text-shadow:0 0 20px rgba(255,255,255,.3)}.carousel-container{display:flex;align-items:center;gap:30px}.car-card{width:300px;background:var(--card-bg);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:30px;text-align:center;box-shadow:0 20px 50px #00000080}.car-preview{position:relative;height:180px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.car-preview img{width:120px;z-index:2;filter:drop-shadow(0 0 15px rgba(255,255,255,.3))}.glow-base{position:absolute;width:150px;height:40px;bottom:20px;filter:blur(30px);opacity:.6;border-radius:50%}.car-info h3{font-size:22px;margin-bottom:8px}.car-info p{font-size:14px;color:#888}.nav-btn{background:#ffffff0d;border:none;color:#fff;width:50px;height:50px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.3s}.nav-btn:hover{background:#ffffff26;transform:scale(1.1)}.confirm-btn{padding:16px 40px;border-radius:40px;border:none;color:#fff;font-weight:800;font-size:18px;cursor:pointer;display:flex;align-items:center;gap:12px;transition:.3s;box-shadow:0 10px 30px #0000004d}.confirm-btn:hover{transform:translateY(-3px);filter:brightness(1.2)}.control-hint{font-size:12px;color:#fff6;display:flex;align-items:center;gap:6px}.game-stage{position:relative;background:#0a0a0f;border:4px solid rgba(255,255,255,.03);box-shadow:0 0 100px #000c;overflow:hidden}.road-surface{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,#05050a,#0f0f1a)}.road-line{position:absolute;left:50%;transform:translate(-50%);width:4px;height:60px;background:#ffffff1a}.car{position:absolute;display:flex;align-items:center;justify-content:center}.car img{width:100%;height:100%;object-fit:contain}.exhaust-flame{position:absolute;bottom:-25px;width:60%;height:40px;filter:blur(6px);animation:flicker .1s infinite alternate}@keyframes flicker{0%{opacity:.8;transform:scaleY(1)}to{opacity:.4;transform:scaleY(1.3)}}.footer-showcase{width:400px;height:110px;margin-top:20px;background:#ffffff05;border-radius:20px;display:flex;align-items:center;padding:0 25px;gap:20px;border:1px solid rgba(255,255,255,.05)}.showcase-platform{position:relative;width:80px;height:80px;display:flex;align-items:center;justify-content:center}.platform-glow{position:absolute;bottom:15px;width:60px;height:10px;filter:blur(15px);opacity:.5}.mini-car{width:50px;z-index:2}.mini-car img{width:100%}.showcase-stats{flex:1;display:flex;flex-direction:column;gap:4px}.stat-row{font-size:12px;display:flex;justify-content:space-between;color:#aaa}.stat-row strong{color:#fff}.game-hud{position:absolute;top:0;left:0;right:0;padding:20px;display:flex;justify-content:space-between;background:linear-gradient(to bottom,rgba(0,0,0,.7),transparent)}.hud-item{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.menu-card{text-align:center}.glitch-text{font-size:42px;font-weight:900;margin-bottom:10px;color:var(--neon-blue);text-shadow:0 0 20px var(--neon-blue)}.final-score{font-size:20px;color:#fff;margin-bottom:10px}.high-score-box{color:gold;font-size:16px;margin-bottom:30px;opacity:.8}.menu-actions{display:flex;flex-direction:column;gap:15px;align-items:center}.start-btn{color:#fff;border:none;padding:20px 60px;border-radius:50px;font-weight:900;font-size:20px;cursor:pointer;display:flex;align-items:center;gap:15px;transition:.4s}.secondary-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:#888;padding:10px 30px;border-radius:30px;cursor:pointer;font-size:14px;transition:.3s}.secondary-btn:hover{color:#fff;border-color:#fff}.shake{animation:shake .4s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-2px,0,0)}20%,80%{transform:translate3d(4px,0,0)}30%,50%,70%{transform:translate3d(-6px,0,0)}}