:root {
  --ink: #17151c; --soft: #5d5868; --paper: #faf8f5; --card: #ffffff; --line: #e6e1da; --accent: #6d28d9; --accent-ink: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f1eef6; --soft: #a9a3b6; --paper: #121016; --card: #1b1821; --line: #2c2835; --accent: #a78bfa; --accent-ink: #17151c; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
header, main, footer { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 12px; }
.brand { font-weight: 700; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
a { color: var(--accent); text-underline-offset: 3px; }
nav a, footer a { color: var(--soft); text-decoration: none; }
nav a:hover, footer a:hover { color: var(--ink); text-decoration: underline; }
main { padding-top: 24px; padding-bottom: 56px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.12; letter-spacing: -0.025em; margin: 24px 0 12px; }
h2 { font-size: 20px; letter-spacing: -0.01em; margin: 40px 0 8px; }
p, li { color: var(--ink); }
.lede { font-size: 20px; color: var(--soft); margin: 0 0 28px; }
.muted, .updated { color: var(--soft); font-size: 15px; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 20px 0; }
.card h2 { margin-top: 0; }
code { font: 15px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--card); border: 1px solid var(--line); border-radius: 7px; padding: 2px 7px; overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 9px 10px 9px 0; border-bottom: 1px solid var(--line); }
th { color: var(--soft); font-weight: 600; }
footer { padding-top: 20px; padding-bottom: 40px; border-top: 1px solid var(--line); display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; color: var(--soft); }