:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; display: grid; place-items: center; min-height: 100vh; }
main { max-width: 40rem; padding: 2rem; line-height: 1.5; }
h1 { margin-top: 0; }
.count { font-size: 1.25rem; }