:root{--background:#ffffff;--foreground:#171717;--font-sans:Arial,Helvetica,sans-serif}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed}}body,html{min-height:100%}body{flex-direction:column;margin:0;min-height:100vh;background:var(--background);color:var(--foreground);font-family:var(--font-sans)}body,main{display:flex}main{flex:1;flex-direction:column;align-items:center;justify-content:center;padding:1rem}