:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #080808; color: #f5f5f5; }
body { max-width: 760px; margin: 0 auto; padding: 48px 24px 80px; line-height: 1.6; }
h1, h2 { line-height: 1.2; }
h1, a { color: #ff3158; }
h2 { margin-top: 32px; }
.card { background: #171717; border: 1px solid #333; border-radius: 18px; padding: 20px; margin: 16px 0; }
.muted { color: #aaa; }
a.button { display: inline-block; margin-top: 12px; padding: 12px 18px; border: 1px solid #ff3158; border-radius: 12px; text-decoration: none; }