/* Same light / dark as the site: the theme picked there (html data-theme), otherwise the system's. */
:root { --bg: #f4f7f7; --card: #ffffff; --text: #152526; --muted: #5e7072; --brand: #0e7c82; --border: #dde7e7; color-scheme: light; }
:root[data-theme="dark"] { --bg: #0c1516; --card: #142022; --text: #eef5f5; --muted: #9db1b2; --brand: #1fa39c; --border: #253739; color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0c1516; --card: #142022; --text: #eef5f5; --muted: #9db1b2; --brand: #1fa39c; --border: #253739; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
.brand { color: var(--brand); font-weight: 600; margin: 0 0 8px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 24px 0 4px; }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--brand); }
ul, ol { padding-left: 22px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }