:root{--bg-dark: #0a0a1a;--neon-blue: #00f3ff;--neon-pink: #ff007f;--neon-yellow: #ffe600;--track-gray: #2a2a35}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}body{margin:0;padding:0;background:var(--bg-dark);color:#fff;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow:hidden}.app-container{width:100vw;height:100vh;position:relative;display:flex;flex-direction:column}.cloud-sync-bar{position:absolute;top:0;left:0;width:100%;height:24px;background:#0009;display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:#aaa;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.screen{width:100%;height:100%;position:absolute;top:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.neon-text{font-size:3rem;font-weight:900;text-align:center;margin-bottom:2rem;color:#fff;text-shadow:0 0 10px var(--neon-blue),0 0 20px var(--neon-blue),0 0 40px var(--neon-pink);text-transform:uppercase;letter-spacing:2px;line-height:1.2}.neon-box{background:#141428cc;border:2px solid var(--neon-blue);box-shadow:0 0 15px #00f3ff4d,inset 0 0 10px #00f3ff33;border-radius:12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-primary{display:flex;align-items:center;gap:10px;padding:15px 40px;font-size:1.5rem;font-weight:700;color:#fff;cursor:pointer;outline:none;transition:all .2s}.btn-primary:hover{background:#00f3ff33;box-shadow:0 0 25px var(--neon-blue),inset 0 0 15px var(--neon-blue)}.mt-4{margin-top:2rem}.start-screen{background:radial-gradient(circle at center,#1a1a2e,#000)}.stats-board{display:flex;gap:20px;margin-bottom:30px}.stat-item{display:flex;align-items:center;gap:8px;font-size:1.2rem;background:#ffffff1a;padding:10px 20px;border-radius:30px}.garage-preview{text-align:center;margin-bottom:40px}.garage-preview h3{color:#aaa;margin-bottom:10px;font-size:1rem}.car-list{display:flex;gap:10px;justify-content:center}.car-badge{background:linear-gradient(45deg,var(--neon-pink),#ff5e00);padding:5px 15px;border-radius:4px;font-size:.9rem;font-weight:700;box-shadow:0 2px 10px #ff007f66}.game-screen{background:#000;overflow:hidden}.hud{position:absolute;top:30px;left:0;width:100%;padding:0 20px;z-index:50;display:flex;flex-direction:column;gap:20px;pointer-events:none}.hud-top{display:flex;justify-content:space-between;width:100%}.hud-item{background:#000000b3;padding:8px 15px;border-radius:20px;border:1px solid #333;display:flex;align-items:center;gap:8px;font-weight:700;font-family:monospace;font-size:1.1rem}.hud-bottom{display:flex;justify-content:space-between;align-items:flex-end;width:100%;position:absolute;top:calc(100vh - 120px);left:0;padding:0 20px;pointer-events:auto}.speedometer{width:100px;height:100px;border-radius:50%;border:4px solid var(--neon-blue);display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000c;box-shadow:0 0 20px #00f3ff66}.speed-value{font-size:2.5rem;font-weight:900;color:var(--neon-blue);font-family:monospace;line-height:1}.speed-label{font-size:.8rem;color:#888}.weather-btn{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;padding:0}.weather-btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}.bottle-icon{width:40px;height:40px;object-fit:contain}.bottle-count{position:absolute;top:-5px;right:-5px;background:var(--neon-pink);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;border:2px solid #000}.track-container{position:absolute;top:0;left:0;width:100%;height:100%;perspective:1000px;overflow:hidden;z-index:10}.track-bg{position:absolute;top:0;left:0;width:100%;height:50%;background-size:cover;background-position:center bottom;z-index:1}.track-perspective{position:absolute;bottom:-20%;left:-50%;width:200%;height:100%;transform:rotateX(75deg);transform-origin:center bottom;transform-style:preserve-3d;z-index:2}.track-surface{width:100%;height:200%;background:linear-gradient(to bottom,#111 0%,var(--track-gray) 100%);position:absolute;bottom:0;border-left:20px solid #fff;border-right:20px solid #fff;animation:moveTrack linear infinite}.track-lines{width:100%;height:100%;background-image:linear-gradient(to bottom,transparent 50%,rgba(255,255,255,.5) 50%);background-size:100% 200px;position:absolute;top:0;left:50%;transform:translate(-50%);width:20px}@keyframes moveTrack{0%{background-position:0 0;transform:translateY(-50%)}to{background-position:0 200px;transform:translateY(0)}}.player-car-container{position:absolute;bottom:15%;left:50%;width:120px;height:180px;margin-left:-60px;z-index:30;filter:drop-shadow(0 20px 20px rgba(0,0,0,.8))}.player-car-img{width:100%;height:100%;object-fit:contain}.player-car-svg-wrap{width:100%;height:100%}.drop-shadow-neon{filter:drop-shadow(0 0 10px var(--neon-pink))}.opponent-car{position:absolute;width:80px;height:120px;z-index:25;transition:top .1s linear}.opponent-car img{width:100%;height:100%;object-fit:contain}.jump-ramp{position:absolute;width:150px;height:100px;z-index:20;transform:translateZ(10px)}.jump-ramp img{width:100%;height:100%;object-fit:contain}.ramp-svg{width:100%;height:100%;background:repeating-linear-gradient(45deg,#fa0,#fa0 10px,#000 10px,#000 20px);border:2px solid #fff;transform:skew(-20deg)}.drift-sparks{position:absolute;bottom:10px;font-size:24px;animation:sparkAnim .2s infinite alternate}.drift-sparks.left{left:-20px}.drift-sparks.right{right:-20px}@keyframes sparkAnim{0%{opacity:.5;transform:scale(.8)}to{opacity:1;transform:scale(1.2)}}.weather-effects{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:40}.weather-rain .rain-layer{width:100%;height:100%;background-image:linear-gradient(to bottom,#fff0,#fff6);background-size:5px 50px;animation:rainFall .2s linear infinite;opacity:.6}.weather-snow .snow-layer{width:100%;height:100%;background-image:radial-gradient(circle,#fff 2px,transparent 2px);background-size:50px 50px;animation:snowFall 2s linear infinite;opacity:.8}.weather-fog .fog-layer{width:100%;height:100%;background:linear-gradient(to bottom,#c8c8dce6,#c8c8dc00 80%);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}@keyframes rainFall{0%{background-position:0 0}to{background-position:20px 100vh}}@keyframes snowFall{0%{background-position:0 0}to{background-position:50px 100vh}}.gameover-screen{background:#000000e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100}.results-card{padding:30px;width:300px;display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.result-row{display:flex;justify-content:space-between;font-size:1.2rem}.result-row .highlight{color:var(--neon-yellow);font-weight:700;font-size:1.4rem}.unlock-alert{background:linear-gradient(90deg,transparent,rgba(0,243,255,.3),transparent);padding:10px 40px;color:var(--neon-blue);font-weight:700;font-size:1.2rem;display:flex;align-items:center;gap:10px;margin-bottom:20px;border-top:1px solid var(--neon-blue);border-bottom:1px solid var(--neon-blue)}.mobile-controls-hint{position:absolute;bottom:20px;width:100%;text-align:center;color:#ffffff80;font-size:.9rem;z-index:50}.loader{border:4px solid rgba(255,255,255,.1);border-top:4px solid var(--neon-blue);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin-bottom:15px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-screen{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000;color:#fff}