:root { --fg: #1b1b1b; --muted: #5a5a5a; --bg: #fdfdfc; --rule: #e3e3e0; --code: #f3f3f0; --link: #1a55b8; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e8e8e6; --muted: #a3a3a0; --bg: #141414; --rule: #2c2c2c; --code: #1f1f1f; --link: #8fb4ff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 16px 4rem; }
h1 { font-size: 1.9rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 2.2rem 0 .5rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); }
.lede { color: var(--muted); margin-top: 0; }
a { color: var(--link); }
code, pre { font: .9em/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code); border-radius: 4px; }
code { padding: .1em .3em; }
pre { padding: .8rem 1rem; overflow-x: auto; }
pre code { padding: 0; background: none; }
table { border-collapse: collapse; width: 100%; font-size: .95em; }
th, td { text-align: left; padding: .4rem .6rem; border-bottom: 1px solid var(--rule); }
ul { padding-left: 1.2rem; }
footer { margin-top: 3rem; color: var(--muted); font-size: .9em; }