*{margin:0;padding:0;box-sizing:border-box}body{background:linear-gradient(135deg,#0a0015,#1a0033,#0f0524);font-family:Arial,sans-serif;color:#fff;min-height:100vh;display:flex;justify-content:center;align-items:center;overflow:hidden}#gameContainer{position:relative;display:flex;flex-direction:column;align-items:center;width:100%;max-width:800px;height:100vh;padding:20px}#gameCanvas{border:3px solid #00d4ff;border-radius:10px;background:#000;box-shadow:0 0 40px #00d4ff80,0 0 80px #ff00ff4d,inset 0 0 40px #0064ff1a;max-width:100%;height:auto;aspect-ratio:1 / 2}#ui{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none}.screen{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;background:#000000e6;padding:40px;border-radius:15px;border:2px solid #00d4ff;box-shadow:0 0 40px #00d4ff66;opacity:0;visibility:hidden;transition:all .3s ease;pointer-events:all;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-width:300px}.screen .overlay-content{display:flex;flex-direction:column;align-items:center;justify-content:center}.screen.active{opacity:1;visibility:visible}.screen h1{font-size:3rem;margin-bottom:20px;background:linear-gradient(45deg,#00d4ff,#ff6b6b,#4ecdc4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 20px rgba(0,212,255,.5)}.screen h2{font-size:2.5rem;margin-bottom:20px;color:#00d4ff;text-shadow:0 0 15px rgba(0,212,255,.7)}.screen p{font-size:1.2rem;margin-bottom:30px;color:#ccc;width:100%;text-align:center}#finalScore{font-size:2rem;color:#00d4ff;font-weight:700;display:inline-block;text-shadow:0 0 15px rgba(0,212,255,.7)}.game-button{background:linear-gradient(45deg,#00d4ff,#09c);border:none;color:#fff;padding:15px 30px;font-size:1.1rem;font-weight:700;border-radius:25px;cursor:pointer;transition:all .3s ease;margin:10px auto;box-shadow:0 4px 15px #00d4ff4d;pointer-events:all;display:inline-block}.game-button:hover{background:linear-gradient(45deg,#09c,#00d4ff);transform:translateY(-2px);box-shadow:0 6px 20px #00d4ff80}.game-button:active{transform:translateY(0)}#gameInfo{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:all;z-index:5;gap:15px}#score{font-size:1.5rem;font-weight:700;color:#00d4ff;text-shadow:0 0 10px rgba(0,212,255,.7);transition:all .2s ease}#connectionStatus{font-size:1rem;padding:5px 15px;border-radius:15px;background:#ff6b6b33;border:1px solid #ff6b6b;color:#ff6b6b}#connectionStatus.connected{background:#4ccdc433;border-color:#4ecdc4;color:#4ecdc4}#pauseButton{padding:10px 20px;font-size:1rem}.powerups-container{display:flex;gap:10px;flex-direction:column;align-items:flex-end}.powerup-icon{width:50px;height:50px;background:#000c;border:2px solid rgba(255,255,255,.2);border-radius:10px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:all .3s ease;opacity:.4}.powerup-icon .powerup-symbol{font-size:1.5rem;position:relative;z-index:2}.powerup-icon .powerup-timer{position:absolute;bottom:0;left:0;right:0;height:0%;background:var(--powerup-color, #00d4ff);opacity:.3;transition:height .1s linear;z-index:1}.powerup-icon.active{opacity:1;border-color:var(--powerup-color);box-shadow:0 0 20px var(--powerup-color);animation:powerup-pulse 1s ease-in-out infinite}.powerup-icon.magnet{--powerup-color: #ff00ff}.powerup-icon.shield{--powerup-color: #00ff00}.powerup-icon.speed{--powerup-color: #ffff00}@keyframes powerup-pulse{0%,to{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.05);filter:brightness(1.2)}}.message{position:fixed;top:50px;left:50%;transform:translate(-50%);padding:15px 30px;border-radius:25px;font-weight:700;z-index:1000;pointer-events:none;transition:all .3s ease;opacity:0}.message-error{background:#ff6b6be6;color:#fff;border:2px solid #ff6b6b}.message-success{background:#4ccdc4e6;color:#fff;border:2px solid #4ecdc4}.message-info{background:#00d4ffe6;color:#fff;border:2px solid #00d4ff}@media (max-width: 768px){#gameContainer{padding:10px}.screen{padding:30px 20px;width:90%;max-width:400px}.screen h1{font-size:2.5rem}.screen h2{font-size:2rem}.game-button{padding:12px 25px;font-size:1rem}#gameInfo{flex-direction:column;align-items:flex-start;gap:10px}#score{font-size:1.3rem}#connectionStatus{font-size:.9rem}.powerups-container{flex-direction:row;align-items:flex-start}.powerup-icon{width:45px;height:45px}}@media (max-width: 480px){.screen h1{font-size:2rem}.screen h2{font-size:1.5rem}.screen p{font-size:1rem}.game-button{padding:10px 20px;font-size:.9rem}.powerup-icon{width:40px;height:40px}.powerup-icon .powerup-symbol{font-size:1.3rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-50%) translateY(-60%)}to{opacity:1;transform:translate(-50%) translateY(-50%)}}@keyframes scaleIn{0%{opacity:0;transform:translate(-50%) translateY(-50%) scale(.8)}60%{transform:translate(-50%) translateY(-50%) scale(1.05)}to{opacity:1;transform:translate(-50%) translateY(-50%) scale(1)}}@keyframes scoreReveal{0%{opacity:0;transform:scale(.5) translateY(20px)}50%{transform:scale(1.2) translateY(0)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes glow{0%,to{text-shadow:0 0 15px rgba(0,212,255,.7),0 0 30px rgba(0,212,255,.4)}50%{text-shadow:0 0 25px rgba(0,212,255,1),0 0 50px rgba(0,212,255,.6),0 0 75px rgba(0,212,255,.3)}}.screen.active{animation:scaleIn .5s cubic-bezier(.34,1.56,.64,1)}#gameOverScreen.active h2{animation:fadeIn .6s ease .3s both}#gameOverScreen.active p{animation:fadeIn .6s ease .5s both}#finalScore{animation:scoreReveal .8s cubic-bezier(.34,1.56,.64,1) .7s both,glow 2s ease-in-out 1.5s infinite}#gameOverScreen.active .game-button{animation:fadeIn .6s ease 1s both}