:root { color-scheme: light dark; --bg: #f3f5f7; --card: #fff; --text: #18212a; --muted: #5b6874; --primary: #2c7a8c; --good: #1f7a4d; --bad: #b3261e; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1418; --card: #19222a; --text: #ecf1f4; --muted: #a0adb8; --primary: #5cbfd0; --good: #5fd39a; --bad: #ff8a80; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 18px/1.5 -apple-system, system-ui, sans-serif; }
main { max-width: 520px; margin: 0 auto; padding: 40px 20px; text-align: center; }
h1 { font-size: 1.5em; margin: .4em 0; }
ol { text-align: start; background: var(--card); border-radius: 18px; padding: 16px 16px 16px 40px; }
.code { font-size: 2.2em; letter-spacing: .12em; font-weight: 700; font-family: ui-monospace, Menlo, monospace; }
.btn { display: inline-block; background: var(--primary); color: #fff; padding: 14px 24px; border-radius: 14px; text-decoration: none; font-weight: 600; }
a { color: var(--primary); }
.good, .bad { background: var(--card); border-radius: 14px; padding: 14px 16px; font-weight: 600; }
.good { color: var(--good); }
.bad { color: var(--bad); }
.small { color: var(--muted); font-size: 0.85em; }
main.prose { text-align: start; max-width: 720px; }
.prose h2 { font-size: 1.15em; margin-top: 1.6em; }
.prose ul { padding-inline-start: 1.2em; }
.prose li { margin: 0.4em 0; }
.muted { color: var(--muted); font-size: 0.9em; }
.notice { background: var(--card); border-radius: 14px; padding: 12px 14px; }