:root{color-scheme:light dark}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0b1020;color:#e8ecf8;
font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:32rem;padding:2.5rem;text-align:center}
h1{margin:0 0 .75rem;font-size:1.6rem;letter-spacing:.02em}
p{margin:.4rem 0;color:#a9b4d0}
code{background:#1b2440;padding:.15rem .4rem;border-radius:.3rem;font-size:.9em}