:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { max-width: 34rem; margin: 2rem auto; padding: 0 1rem; line-height: 1.5; }
header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2rem; }
header nav a { margin-left: .75rem; }
label { display: block; margin-top: .75rem; }
input[type=email], input[type=password], input[type=text] { width: 100%; padding: .5rem; box-sizing: border-box; }
button { margin-top: 1rem; padding: .6rem 1rem; }
.error, [role=alert] { color: #b00020; }
.hint { opacity: .75; font-size: .9rem; }
code.key { font-size: 1.1rem; letter-spacing: .05em; }
table { width: 100%; border-collapse: collapse; } td, th { text-align: left; padding: .25rem 0; }