:root { --bg: #fbfaf7; --text: #23211d; --muted: #6b675f; --link: #1f5fa8; --rule: #dedad1; --code: #efece5; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #191816; --text: #ece9e2; --muted: #a5a097; --link: #8dbcf0; --rule: #37342f; --code: #2a2825; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 56px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 32px 0 8px; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--link); }
code { background: var(--code); border-radius: 4px; padding: 1px 5px; font-size: .88em; overflow-wrap: anywhere; }
.lead { font-size: 1.1rem; }
.muted { color: var(--muted); font-size: .95rem; }
.back { margin-bottom: 24px; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--muted); font-size: .95rem; }