:root { --bg: #f6f7f9; --card: #fff; --text: #1a2230; --muted: #5b6575; --accent: #1f3a5f; --line: #e3e6eb; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f141b; --card: #171e28; --text: #e8ecf2; --muted: #9aa5b5; --accent: #8fb3e0; --line: #263041; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; padding: 16px; }
main { width: 100%; max-width: 560px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 32px; }
.brand { margin: 0 0 16px; font-weight: 700; color: var(--accent); letter-spacing: .02em; }
h1 { margin: 0 0 12px; font-size: 1.5rem; }
.next { color: var(--muted); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: .9rem; }
dt { color: var(--muted); }
dd { margin: 0; word-break: break-word; }