:root { font-family: system-ui, sans-serif; color: #163344; background: #eef6f8; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 24px; }
main { width: min(100%, 480px); padding: clamp(24px, 6vw, 48px); border: 1px solid #d4e5eb; border-radius: 24px; background: white; box-shadow: 0 16px 48px #164e6310; }
.badge { font-size: .75rem; font-weight: 700; letter-spacing: .14em; color: #276679; }
h1 { font-size: clamp(2rem, 8vw, 3rem); letter-spacing: -.05em; margin: 20px 0 12px; }
p { line-height: 1.6; }
dl { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px 0; margin: 24px 0; border-block: 1px solid #e4edf0; font-size: .9rem; }
dt { color: #526b77; } dd { margin: 0; text-align: right; font-weight: 600; }
button { background: #164e63; color: white; border: 0; border-radius: 10px; padding: 14px 22px; font: inherit; cursor: pointer; }
button:focus-visible { outline: 3px solid #0593b8; outline-offset: 4px; }
button:disabled { opacity: .6; cursor: wait; }
[hidden] { display: none !important; }
.hint, footer { color: #526b77; font-size: .8rem; } footer { margin-top: 32px; }