@font-face {font-family:Inter;src:url('fonts/Inter.ttf') format('truetype');font-display:swap}
@font-face {font-family:Play;src:url('fonts/Play.ttf') format('truetype');font-display:swap}
:root {--surface:#ffffff;--foreground:#222222;--font:Inter;color-scheme:light dark}
body {margin:0;background:var(--surface);color:var(--foreground);font-family:var(--font),sans-serif}
#challenge {display:flex;justify-content:center;margin:20px 0}