*{margin:0;padding:0;box-sizing:border-box}body{background:#030310;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;font-family:Courier New,monospace;overflow:hidden;-webkit-user-select:none;user-select:none}#gameCanvas{display:block;max-width:100vw;max-height:100vh;object-fit:contain;cursor:crosshair;border:1px solid #1a3068;box-shadow:0 0 40px #0050c840,0 0 8px #0050c866}