*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background:#0a0a0a;font-family:Courier New,monospace;color:#0f0}#game-container{position:fixed;top:0;left:0;width:100vw;height:100vh}#ui{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none}#ui>*{pointer-events:auto}.hidden{display:none!important}#menu{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;background:#000000e6;padding:40px;border:2px solid #00ff00;box-shadow:0 0 20px #0f04}#menu h1{font-size:48px;margin-bottom:30px;text-shadow:0 0 10px #00ff00;letter-spacing:10px}#menu-options{display:flex;flex-direction:column;gap:15px}button{background:transparent;border:2px solid #00ff00;color:#0f0;padding:15px 30px;font-family:inherit;font-size:16px;cursor:pointer;transition:all .2s;text-transform:uppercase;letter-spacing:3px}button:hover{background:#0f0;color:#000;box-shadow:0 0 20px #0f0}input{background:transparent;border:2px solid #00ff00;color:#0f0;padding:15px;font-family:inherit;font-size:16px;text-align:center;letter-spacing:3px}input::placeholder{color:#0f08}#status{margin-top:20px;font-size:14px;min-height:20px}#hud{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:flex-start}#health-bar{width:200px;height:20px;border:2px solid #ff0044;background:#1a0000;position:relative}#health-fill{width:100%;height:100%;background:linear-gradient(90deg,#f04,#f44);transition:width .3s}#health-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:12px;text-shadow:0 0 5px #000}#wave{font-size:18px;text-shadow:0 0 10px #00ff00}#controls-hint{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:30px;font-size:12px;color:#0f08}#ending-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;display:flex;align-items:center;justify-content:center;z-index:1000}#ending-text{font-size:24px;text-align:center;max-width:600px;line-height:2}.scanlines{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.1) 2px,rgba(0,0,0,.1) 4px);z-index:999}@keyframes glitch{0%{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(-2px,-2px)}60%{transform:translate(2px,2px)}80%{transform:translate(2px,-2px)}to{transform:translate(0)}}