html,body{width:100%;min-height:100%}body{margin:0;padding:0;background-color:#02060b;color:#20c20e;font-family:Courier New,Courier,monospace;display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden}#app{width:100%;min-height:100vh;display:flex;justify-content:center;align-items:center}#game-shell{position:relative;display:inline-flex;border:2px solid #20c20e;box-shadow:0 0 20px #20c20e33}#game-container{position:relative}#game-container canvas{display:block}#scanlines{position:absolute;inset:0;background:linear-gradient(#12101000 50%,#00000040 50%),linear-gradient(90deg,#ff00000f,#00ff0005,#0000ff0f);background-size:100% 4px,3px 100%;pointer-events:none;z-index:10}