*{margin:0;padding:0;box-sizing:border-box}body{font-family:Courier New,monospace;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px}#game-container{position:relative;background:#0f3460;border:4px solid #e94560;border-radius:10px;box-shadow:0 10px 40px #e9456080;overflow:hidden}#game-header{display:flex;justify-content:space-around;background:#16213e;padding:15px;border-bottom:2px solid #e94560}.hud-item{display:flex;flex-direction:column;align-items:center}.hud-label{font-size:12px;color:#aaa;text-transform:uppercase;letter-spacing:1px}.hud-item span:last-child{font-size:20px;font-weight:700;color:#0f8;margin-top:5px}#game-canvas{display:block;background:#000;image-rendering:pixelated;image-rendering:crisp-edges}#game-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:10}#game-overlay.hidden{display:none}#overlay-content{text-align:center;padding:40px;background:#16213e;border:3px solid #e94560;border-radius:10px;max-width:400px}#overlay-title{font-size:36px;color:#e94560;margin-bottom:20px;text-transform:uppercase}#overlay-message{font-size:18px;margin-bottom:30px;line-height:1.6}#overlay-button{font-family:Courier New,monospace;font-size:18px;padding:12px 40px;background:#e94560;color:#fff;border:none;border-radius:5px;cursor:pointer;text-transform:uppercase;letter-spacing:2px;transition:all .3s}#overlay-button:hover{background:#f57;transform:scale(1.05)}#instructions{margin-top:20px;padding:20px;background:#0f3460cc;border:2px solid #e94560;border-radius:10px;max-width:640px}#instructions h3{color:#0f8;margin-bottom:15px;text-align:center;text-transform:uppercase;letter-spacing:2px}#instructions p{margin:8px 0;font-size:14px}#instructions strong{color:#e94560;display:inline-block;min-width:120px}