:root{--bg-color: #050510;--grid-color: rgba(64, 224, 208, .1);--primary-color: #00f3ff;--secondary-color: #bc13fe;--accent-color: #ff0055;--text-color: #ffffff;--font-heading: "Orbitron", sans-serif;--font-body: "Rajdhani", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{width:100%;height:100%;overflow:hidden}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-body);width:100%;height:100vh;height:100dvh;display:flex;justify-content:center;align-items:center;overflow:hidden;position:fixed;top:0;left:0}body:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 50% 50%,#14142800,#050510),radial-gradient(1px 1px at 10% 10%,white,transparent),radial-gradient(1px 1px at 20% 30%,white,transparent),radial-gradient(2px 2px at 40% 70%,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 60% 40%,white,transparent),radial-gradient(2px 2px at 80% 80%,rgba(200,200,255,.7),transparent),radial-gradient(1px 1px at 90% 20%,white,transparent);background-size:100% 100%,500px 500px,400px 400px,300px 300px,600px 600px,500px 500px,450px 450px;opacity:.6;z-index:-1}.ui-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:20px;padding-top:env(safe-area-inset-top,20px);padding-right:env(safe-area-inset-right,20px);padding-bottom:env(safe-area-inset-bottom,20px);padding-left:env(safe-area-inset-left,20px);z-index:10}.lang-btn{background:#00000080;border:1px solid rgba(0,243,255,.3);color:var(--primary-color);font-family:var(--font-heading);padding:5px 10px;border-radius:4px;cursor:pointer;font-size:.9rem;transition:all .2s ease;text-transform:uppercase}.lang-btn:hover{background:var(--primary-color);color:#000;box-shadow:0 0 10px #00f3ff66}.lang-btn.active{background:var(--primary-color);color:#000;box-shadow:0 0 15px #00f3ff99;border-color:var(--primary-color);font-weight:700}header h1{font-family:var(--font-heading);font-size:3rem;color:var(--primary-color);background:linear-gradient(to right,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:4px;text-shadow:0 0 20px rgba(0,243,255,.5);margin-bottom:.2rem}.subtitle{font-size:1.2rem;color:#ffffffb3;letter-spacing:2px;text-transform:uppercase;margin-bottom:1.5rem}.game-wrapper{position:relative;padding:2px;background:linear-gradient(45deg,var(--secondary-color),var(--primary-color));border-radius:4px;box-shadow:0 0 50px #bc13fe66}.score-board{position:absolute;top:20px;top:calc(20px + env(safe-area-inset-top));left:20px;left:calc(20px + env(safe-area-inset-left));display:flex;flex-direction:column;gap:.5rem;padding:10px;border-radius:8px;z-index:5;text-shadow:0 0 5px rgba(0,0,0,.5);pointer-events:none}.score-item{display:flex;gap:10px;align-items:center}#score-container,#speed-container{font-size:1.2rem;font-weight:700;text-shadow:0 0 10px #00f3ff;margin:0}.boost-container{position:absolute;top:20px;top:calc(20px + env(safe-area-inset-top));left:50%;transform:translate(-50%);bottom:auto;right:auto;display:flex;flex-direction:column;align-items:center;width:150px;pointer-events:none;text-shadow:0 0 5px rgba(0,0,0,.5)}.boost-container .label{font-size:.9rem;font-weight:700;color:#fff;margin-bottom:3px;letter-spacing:1px}.boost-bar-bg{width:100%;height:10px;background:#0009;border:1px solid rgba(255,255,255,.3);border-radius:8px;overflow:hidden;box-shadow:0 0 5px #00000080}.boost-bar-fill{width:100%;height:100%;background:linear-gradient(90deg,#f05,#bc13fe);box-shadow:0 0 10px #f05;transition:width .1s linear,background .2s ease}#canvas-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}canvas{display:block;outline:none}#start-screen,#game-over-screen{position:absolute;top:0;left:0;width:100%;height:100%;background:#050510d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:20;transition:opacity .3s ease}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#050510d9;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:20;transition:opacity .3s ease;overflow:hidden;padding:20px}.glass-card{background:#141428cc;border:1px solid rgba(0,243,255,.1);box-shadow:0 0 30px #0009;border-radius:16px;padding:30px;width:100%;max-width:800px;max-height:100%;overflow-y:auto;display:flex;flex-direction:column;align-items:center;scrollbar-width:thin;scrollbar-color:var(--primary-color) rgba(0,0,0,.3)}.glass-card::-webkit-scrollbar{width:8px}.glass-card::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}.glass-card::-webkit-scrollbar-track{background:#0000004d}.lang-selector{position:relative;top:auto;right:auto;display:flex;gap:10px;margin-bottom:20px;justify-content:center;width:100%;z-index:10}.hidden{opacity:0;pointer-events:none}.overlay h2{font-family:var(--font-heading);font-size:2.5rem;margin-bottom:1rem;color:var(--primary-color);text-shadow:0 0 10px var(--primary-color)}.overlay .danger-text{color:var(--accent-color);text-shadow:0 0 10px var(--accent-color)}.overlay p{font-size:1.2rem;margin-bottom:2rem}.glow-button{background:transparent;color:var(--primary-color);font-family:var(--font-heading);font-size:1.2rem;padding:12px 30px;border:2px solid var(--primary-color);border-radius:4px;cursor:pointer;text-transform:uppercase;letter-spacing:2px;transition:all .2s ease;box-shadow:0 0 15px #00f3ff33;margin-bottom:20px}.glow-button:hover{background:var(--primary-color);color:#000;box-shadow:0 0 30px #00f3ff99}.controls-hint{margin-top:1.5rem;display:flex;flex-direction:column;align-items:center;gap:5px;opacity:.5}.key-row{display:flex;gap:5px}.key{width:30px;height:30px;border:1px solid white;border-radius:4px;display:flex;justify-content:center;align-items:center;font-size:.8rem;color:#fff}#flash-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff;opacity:0;pointer-events:none;z-index:1000;transition:opacity .5s ease-out}.flash-active{opacity:.3!important}.features-grid{display:flex;gap:30px;margin-bottom:40px;text-align:left;-webkit-backdrop-filter:none;backdrop-filter:none}.info-box{background:#0006;padding:25px;border-radius:8px;border:1px solid rgba(0,243,255,.2);min-width:320px;box-shadow:0 0 20px #0000004d}.info-box h3{color:var(--primary-color);border-bottom:2px solid var(--secondary-color);padding-bottom:10px;margin-bottom:15px;font-size:1.2rem;letter-spacing:2px;font-family:var(--font-heading);text-shadow:0 0 10px rgba(0,243,255,.3)}.rules-list{list-style:none}.rules-list li{margin-bottom:12px;font-size:1.05rem;color:#e0e0e0;line-height:1.4}.rules-list li:before{content:"►";color:var(--secondary-color);margin-right:12px;font-size:.8rem}.control-row{display:flex;justify-content:space-between;margin-bottom:12px;align-items:center;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:8px}.control-row:last-child{border-bottom:none}.highlight-pink{color:#f05;font-weight:700;text-shadow:0 0 8px rgba(255,0,85,.6)}.highlight-golden{color:gold;font-weight:700;text-shadow:0 0 8px rgba(255,215,0,.6)}.highlight-green{color:#0f0;font-weight:700;text-shadow:0 0 8px rgba(0,255,0,.6)}.highlight-void{color:#a0a0a0;font-weight:700;text-shadow:0 0 8px rgba(255,255,255,.4)}.key-badge{background:linear-gradient(to bottom,#32323ccc,#1e1e28e6);border:1px solid rgba(255,255,255,.2);padding:4px 10px;border-radius:4px;font-family:var(--font-heading);font-weight:700;color:var(--primary-color);font-size:.9rem;box-shadow:0 2px #00000080;min-width:70px;text-align:center;display:flex;justify-content:space-between}#mobile-controls{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:100;display:none}@media (pointer: coarse){#mobile-controls{display:block}}#joystick-area{position:absolute;bottom:50px;left:50px;width:150px;height:150px;background:#ffffff0d;border:2px solid rgba(0,243,255,.3);border-radius:50%;pointer-events:auto;touch-action:none;display:flex;justify-content:center;align-items:center}#joystick-knob{width:60px;height:60px;background:#00f3ff80;border:2px solid var(--primary-color);border-radius:50%;box-shadow:0 0 15px var(--primary-color);transform:translate(0);pointer-events:none}.mobile-btn{position:absolute;bottom:60px;right:50px;width:100px;height:100px;background:#00000080;border:2px solid var(--accent-color);border-radius:50%;color:var(--accent-color);font-family:var(--font-heading);font-weight:700;font-size:1.2rem;pointer-events:auto;touch-action:none;display:flex;justify-content:center;align-items:center;box-shadow:0 0 15px #ff00554d;transition:all .1s}#mobile-pause-btn{position:absolute;top:30px;right:30px;width:50px;height:50px;background:#00000080;border:2px solid var(--primary-color);border-radius:8px;color:var(--primary-color);font-family:monospace;font-weight:700;font-size:1.5rem;pointer-events:auto;display:flex;justify-content:center;align-items:center;box-shadow:0 0 10px #00f3ff4d}#mobile-pause-btn:active{background:var(--primary-color);color:#000;transform:scale(.9)}.mobile-btn:active{background:var(--accent-color);color:#fff;box-shadow:0 0 30px var(--accent-color);transform:scale(.95)}@media (max-width: 768px){header h1{font-size:2rem}.subtitle{font-size:1rem;margin-bottom:1rem}.score-board{top:10px;top:calc(10px + env(safe-area-inset-top));left:10px;left:calc(10px + env(safe-area-inset-left));padding:5px}#score-container,#speed-container{font-size:1rem}.label{font-size:.7rem}.boost-container{width:120px;top:10px;top:calc(10px + env(safe-area-inset-top))}#mobile-pause-btn{top:10px;top:calc(10px + env(safe-area-inset-top));right:10px;right:calc(10px + env(safe-area-inset-right));width:40px;height:40px;font-size:1.2rem}.features-grid{flex-direction:column;gap:20px}.info-box{min-width:unset;width:100%;padding:15px}.glow-button{padding:15px 40px;width:80%;font-size:1.1rem}.glass-card{padding:20px;width:100%;max-width:100%;border-radius:12px}.lang-selector{margin-bottom:20px}.features-grid{margin:0 auto 30px;gap:20px}.desktop-only{display:none!important}.mobile-only{display:block!important}}.mobile-only{display:none}@media (max-width: 480px) and (pointer: coarse){#joystick-area{bottom:30px;left:30px;width:120px;height:120px}#joystick-knob{width:50px;height:50px}.mobile-btn{bottom:40px;right:30px;width:80px;height:80px;font-size:1rem}}@media (max-width: 450px){header h1{font-size:1.5rem;letter-spacing:2px}.subtitle{font-size:.9rem}.score-board{transform:scale(.85);transform-origin:top left;left:5px;left:calc(5px + env(safe-area-inset-left))}.boost-container{width:100px;transform:translate(-50%) scale(.85);transform-origin:top center}#mobile-pause-btn{transform:scale(.85);transform-origin:top right;right:5px;right:calc(5px + env(safe-area-inset-right))}}