:root { color-scheme: dark; font: 16px/1.7 system-ui, sans-serif; background: #0d0d0e; color: #eee; }
body { margin: 0; padding: 10vh 24px; }
main { max-width: 620px; margin: auto; }
h1 { font-size: 26px; }
p { color: #aaa; }
a, button { display: inline-block; background: #ffd36a; color: #151515; border: 0; border-radius: 8px; padding: 10px 20px; font: inherit; cursor: pointer; text-decoration: none; margin: 8px 8px 8px 0; }
button { background: #333; color: #eee; }
textarea { box-sizing: border-box; width: 100%; height: 120px; }
[hidden] { display: none !important; }