*{box-sizing:border-box;margin:0;padding:0}body{color:#00ff41;background:#000;justify-content:center;align-items:center;min-height:100vh;font-family:Courier New,monospace;display:flex;overflow:hidden}#app{width:100%;max-width:800px}.game-container{position:relative}#gameCanvas{background:#0a0a0a;border:2px solid #00ff41;display:block;box-shadow:0 0 20px #00ff4180}.hud{background:#000c;border:2px solid #00ff41;margin-top:20px;padding:15px;box-shadow:0 0 10px #00ff414d}.energy-bar{background:#1a1a1a;border:2px solid #00ff41;width:100%;height:30px;margin-bottom:10px;position:relative;overflow:hidden}.energy-fill{background:#00ff41;height:100%;transition:width .1s ease-out,background .3s;box-shadow:0 0 10px}.stats{text-transform:uppercase;letter-spacing:1px;justify-content:space-between;margin-bottom:10px;font-size:14px;display:flex}.stats span{color:#00ff41}.controls-hint{text-align:center;color:#00ff41;opacity:.7;margin-top:5px;font-size:12px}.finish-screen{text-align:center;z-index:1000;background:#000000f2;border:3px solid #00ff41;padding:40px 60px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 30px #00ff41cc}.finish-screen.hidden{display:none}.finish-screen h1{color:#00ff41;text-shadow:0 0 10px #00ff41cc;margin-bottom:20px;font-size:48px}.final-score{color:#ff0;margin:15px 0;font-size:32px}.final-distance{color:#0ff;font-size:20px}