* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: #090d17; }
body { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
canvas { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(100vw, 56.25dvh); height: min(100dvh, 177.7778vw); display: block; touch-action: none; image-rendering: pixelated; }
#pantalla-carga { z-index: 2; }