html,body{margin:0;width:100%;height:100%;background:#000;overflow:hidden;font-family:Arial,Helvetica,sans-serif;touch-action:none;user-select:none}#gameShell{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#000}canvas{width:100vw;height:100vh;display:block;object-fit:contain;background:#000;image-rendering:auto}#touchLayer{display:none!important}#pad,.touchBtn{display:none!important}*{-webkit-tap-highlight-color:transparent}@media (orientation:portrait){canvas{object-fit:contain}}