:root { font-family: system-ui, sans-serif; color-scheme: light dark; }
body { margin: 0; padding: 20px; }
main { max-width: 640px; margin: 24px auto; }
h1 { font-size: 1.6rem; }
p, label { line-height: 1.6; }
label { display: block; }
input { width: 20px; height: 20px; vertical-align: middle; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
button { min-height: 44px; padding: 10px 16px; font: inherit; cursor: pointer; }
textarea { box-sizing: border-box; width: 100%; padding: 12px; font: inherit; overflow-wrap: anywhere; }
#status { padding: 12px; border: 1px solid currentColor; border-radius: 8px; }