*{margin:0;padding:0;box-sizing:border-box}body{font-family:Courier New,monospace;background:linear-gradient(135deg,#0a0a1a 0%,#1a0a2e 50%,#0a0a1a 100%);min-height:100vh;display:flex;justify-content:center;align-items:center;color:#fff;overflow:hidden}.game-container{display:flex;flex-direction:column;align-items:center;gap:20px;padding:20px}.game-header{text-align:center;width:100%;max-width:800px}.game-header h1{font-size:3em;letter-spacing:8px;margin-bottom:15px;text-shadow:0 0 10px #00ffff,0 0 20px #00ffff,0 0 30px #00ffff;background:linear-gradient(45deg,#00ffff,#ff00ff,#ffff00);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:glow 2s ease-in-out infinite alternate}@keyframes glow{0%{filter:drop-shadow(0 0 5px #00ffff)}to{filter:drop-shadow(0 0 20px #ff00ff)}}.score-board{display:flex;justify-content:center;gap:40px;padding:15px;background:rgba(0,0,0,.5);border:2px solid #00ffff;border-radius:10px;box-shadow:0 0 15px #00ffff4d}.score-item{display:flex;flex-direction:column;align-items:center;gap:5px}.label{font-size:.7em;color:#0ff;letter-spacing:2px}.value{font-size:1.5em;font-weight:700;color:#fff;text-shadow:0 0 5px #fff}.canvas-wrapper{position:relative;border:3px solid #00ffff;border-radius:5px;box-shadow:0 0 30px #00ffff80,inset 0 0 30px #00ffff1a;background:#000}#gameCanvas{display:block;background:radial-gradient(ellipse at center,#0d0d1a 0%,#000000 100%)}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.overlay.hidden{display:none}.overlay-content{text-align:center;padding:40px;background:rgba(0,20,40,.9);border:2px solid #00ffff;border-radius:15px;box-shadow:0 0 40px #0ff9;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.overlay-content h2{font-size:2.5em;margin-bottom:15px;color:#0ff;text-shadow:0 0 10px #00ffff}.overlay-content p{font-size:1em;margin-bottom:25px;color:#aaa;line-height:1.6}.btn{padding:15px 40px;font-size:1.2em;font-family:Courier New,monospace;font-weight:700;color:#000;background:linear-gradient(45deg,#00ffff,#00aaff);border:none;border-radius:5px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:2px;box-shadow:0 0 20px #00ffff80}.btn:hover{transform:scale(1.05);box-shadow:0 0 30px #0ffc;background:linear-gradient(45deg,#00aaff,#00ffff)}.btn:active{transform:scale(.98)}.controls-info{font-size:.9em;color:#666;letter-spacing:1px;padding:10px 20px;background:rgba(0,0,0,.3);border-radius:5px;border:1px solid #333}@media (max-width: 768px){.game-header h1{font-size:2em;letter-spacing:4px}.score-board{gap:20px;flex-wrap:wrap}.overlay-content{padding:20px;margin:10px}.overlay-content h2{font-size:1.8em}.btn{padding:12px 30px;font-size:1em}}