:root{color-scheme:light dark;--bg:#fff;--fg:#111;--mute:#555;--kant:#111}
@media (prefers-color-scheme:dark){:root{--bg:#111;--fg:#f2f2f2;--mute:#b0b0b0;--kant:#f2f2f2}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,sans-serif}
main{max-width:40rem;margin:0 auto;padding:2rem 1rem}
button,input{font:inherit;padding:.6rem 1rem;border:2px solid var(--kant);background:var(--bg);color:var(--fg);border-radius:0}
button{cursor:pointer}
label{display:block;margin:1rem 0 .25rem}
input{width:100%;box-sizing:border-box;margin-bottom:1rem}
#melding{color:var(--mute)}
pre{white-space:pre-wrap;word-break:break-all}