:root { color-scheme: dark; }
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: #0a0e1a; font-family: system-ui,-apple-system,Segoe UI,Roboto,"Noto Sans",sans-serif; }
.wrap { display:flex; align-items:center; justify-content:center; height:100svh; padding: 0.5rem; }
#screen { display:block; max-width: 100vw; max-height: 100vh; image-rendering: pixelated; image-rendering: crisp-edges; outline:none; border:0.6rem solid #10233d; border-radius:10px; background:#030813; }