:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden}.app-container{width:100%;height:100%;position:relative}.game-scene{width:100%;height:100%;position:absolute;top:0;left:0}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#1e3c72,#2a5298);color:#fff;z-index:1000}.loading-screen h2{font-size:2.5rem;margin-bottom:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.progress-container{width:80%;max-width:500px;height:20px;background:#fff3;border-radius:10px;overflow:hidden;margin-bottom:1rem}.progress-bar{height:100%;background:linear-gradient(90deg,#ff6b35,#ff9a5a);border-radius:10px;transition:width .3s ease}.progress-text{font-size:1.2rem;font-weight:700}.pause-screen{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#000000b3;color:#fff;z-index:10;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.pause-panel{background:#001e3ccc;padding:2rem 3rem;border-radius:15px;box-shadow:0 10px 30px #0000004d;text-align:center}.pause-screen h2{font-size:3rem;margin-bottom:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.pause-buttons{display:flex;flex-direction:column;gap:1rem}.pause-screen button{font-size:1.5rem;padding:1rem 2rem;background:#ff6b35;color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;width:100%}.pause-screen button:hover{background:#e55a2b;transform:translateY(-2px);box-shadow:0 5px 15px #ff6b3566}.controls-help{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background:#00000080;z-index:20;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.controls-panel{background:#001e3ce6;padding:2rem;border-radius:15px;box-shadow:0 10px 30px #0000004d;color:#fff;max-width:500px;width:90%}.controls-panel h3{font-size:2rem;margin-bottom:1.5rem;text-align:center}.controls-panel ul{list-style:none;padding:0;margin-bottom:2rem}.controls-panel li{font-size:1.2rem;margin-bottom:1rem;display:flex;align-items:center}.key{display:inline-block;background:#fff3;padding:.3rem .8rem;border-radius:5px;margin-right:.5rem;font-weight:700;min-width:30px;text-align:center}.close-button{font-size:1.2rem;padding:.8rem 1.5rem;background:#ff6b35;color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;width:100%}.close-button:hover{background:#e55a2b;transform:translateY(-2px)}.game-ui{position:absolute;top:20px;right:20px;background:#00000080;color:#fff;padding:10px 20px;border-radius:10px;font-family:Arial,sans-serif;z-index:5}.speed-indicator{display:flex;flex-direction:column;align-items:flex-end;background:#000000b3;padding:15px;border-radius:10px;box-shadow:0 4px 8px #0000004d;min-width:120px}.speed-value{font-size:2.5rem;font-weight:700;line-height:1;margin-bottom:5px}.speed-unit{font-size:1rem;opacity:.7;margin-bottom:10px}.speed-bar-container{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden}.speed-bar{height:100%;border-radius:4px;transition:width .3s ease,background-color .3s ease}.welcome-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background-image:url(/assets/welcome-uV045t6E.png);background-size:cover;background-position:center;background-repeat:no-repeat;color:#fff;font-family:Arial,sans-serif;position:relative;overflow:hidden}.welcome-screen:before{content:"";position:absolute;inset:0;background:#0006;z-index:1}.welcome-screen:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(255,215,0,.1) 0%,transparent 25%,transparent 75%,rgba(255,215,0,.1) 100%);animation:shimmer 3s ease-in-out infinite;z-index:2}@keyframes shimmer{0%,to{opacity:.3;transform:translate(-100%)}50%{opacity:.8;transform:translate(100%)}}@keyframes buttonPulse{0%,to{box-shadow:0 6px 20px #ff6b3580,inset 0 2px #ffffff4d,0 0 30px #ffd70066;transform:scale(1)}50%{box-shadow:0 8px 30px #ff6b35cc,inset 0 2px #fff6,0 0 50px #ffd700cc;transform:scale(1.05)}}.welcome-content{text-align:center;padding:2.5rem;position:relative;z-index:3;background:#0009;border-radius:25px;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:3px solid rgba(255,215,0,.5);box-shadow:0 0 50px #ffd7004d,inset 0 0 30px #ffffff1a}.welcome-title{font-size:3.5rem;margin-bottom:1rem;font-weight:900;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.8),0 0 10px rgba(255,255,255,.3);animation:fadeInUp 1s ease-out;position:relative;z-index:10}.welcome-subtitle{font-size:1.5rem;margin-bottom:2rem;opacity:.9;text-shadow:1px 1px 2px rgba(0,0,0,.3);animation:fadeInUp 1s ease-out .3s both}.start-button{font-size:1.8rem;padding:1.2rem 2.5rem;background:linear-gradient(45deg,#ff4500,#ff6b35,#ff8c42);color:#fff;border:3px solid #FFD700;border-radius:20px;cursor:pointer;transition:all .3s ease;box-shadow:0 6px 20px #ff6b3580,inset 0 2px #ffffff4d,0 0 30px #ffd70066;position:relative;z-index:15;-webkit-tap-highlight-color:transparent;animation:buttonPulse 1.5s ease-in-out infinite;font-weight:900;text-transform:uppercase;letter-spacing:1px;text-shadow:2px 2px 0px rgba(0,0,0,.8),0 0 10px rgba(255,255,255,.5)}.start-button:hover{background:#e55a2b;transform:translateY(-2px);box-shadow:0 6px 20px #ff6b3566}.start-button:active,.start-button.pressed{transform:translateY(2px);box-shadow:0 2px 8px #ff6b354d;background:#d54a1b}.start-button:disabled{opacity:.7;cursor:not-allowed}.mobile-info{margin-top:2rem;font-size:.9rem;opacity:.7;display:none}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes titleGlow{0%{text-shadow:3px 3px 0px #000000,-1px -1px 0px #000000,1px -1px 0px #000000,-1px 1px 0px #000000,0 0 30px rgba(255,0,255,.8),0 0 60px rgba(0,255,255,.6),0 0 90px rgba(255,255,0,.4)}to{text-shadow:3px 3px 0px #000000,-1px -1px 0px #000000,1px -1px 0px #000000,-1px 1px 0px #000000,0 0 40px rgba(0,255,255,1),0 0 80px rgba(255,0,255,.8),0 0 120px rgba(255,255,0,.6),0 0 160px rgba(255,64,0,.4)}}@keyframes colorShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@media (max-width: 768px){.welcome-title{font-size:2rem}.start-button{font-size:1.2rem;padding:.8rem 1.5rem}}.touch-controls{position:absolute;bottom:0;left:0;width:100%;padding:20px;display:flex;justify-content:space-between;align-items:flex-end;z-index:100;pointer-events:none}.d-pad{position:relative;width:150px;height:150px;pointer-events:auto}.control-btn{position:absolute;width:60px;height:60px;border-radius:50%;background-color:#00000080;color:#fff;font-size:24px;border:none;display:flex;justify-content:center;align-items:center;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.control-btn.active{background-color:#ff6b35cc;transform:scale(1.1)}.control-btn.up{top:0;left:50%;transform:translate(-50%)}.control-btn.down{bottom:0;left:50%;transform:translate(-50%)}.control-btn.left{left:0;top:50%;transform:translateY(-50%)}.control-btn.right{right:0;top:50%;transform:translateY(-50%)}.action-buttons{pointer-events:auto}.brake-btn{width:80px;height:80px;border-radius:50%;background-color:#ff000080;color:#fff;font-size:16px;font-weight:700;border:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.brake-btn.active{background-color:#f00c;transform:scale(1.1)}.pause-btn{position:absolute;top:20px;right:20px;width:50px;height:50px;border-radius:50%;background-color:#00000080;color:#fff;font-size:20px;border:none;pointer-events:auto;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}@media (max-width: 480px){.d-pad{width:120px;height:120px}.control-btn{width:50px;height:50px;font-size:20px}.brake-btn{width:70px;height:70px;font-size:14px}}@media (max-width: 1024px){body{position:fixed;overflow:hidden;width:100%;height:100%}}.mobile-controls{position:fixed;bottom:0;left:0;right:0;height:180px;display:flex;justify-content:space-between;align-items:flex-end;padding:20px;pointer-events:none;z-index:1000}.left-controls,.right-controls{display:flex;flex-direction:column;gap:15px;pointer-events:auto}.right-controls{align-items:flex-end}.mobile-control-btn{border:2px solid #FFD700;background:#000c;color:gold;font-size:1.2rem;font-weight:700;display:flex;align-items:center;justify-content:center;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation;cursor:pointer}.mobile-control-btn:active{background:#ffd7004d;transform:scale(.95)}.direction-btn,.speed-btn{width:60px;height:60px;border-radius:50%;font-size:1.5rem}.jump-btn{width:100px;height:45px;border-radius:22px;font-size:1rem;margin-top:10px}.accelerate{background:#0f03;border-color:#0f0;color:#0f0}.decelerate{background:#f003;border-color:red;color:red}@media (max-width: 768px){.mobile-controls{display:flex}}@media (min-width: 769px){.mobile-controls{display:none}}