:root {
  --bg: #111113; --panel: #1B1B1F; --raised: #232329; --red: #E5484D;
  --text: #F4F4F5; --muted: #9B9BA3; --hairline: rgba(255,255,255,0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}
main { max-width: 720px; margin: 0 auto; padding: 24px 20px 64px; }
header.site { display: flex; align-items: baseline; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--hairline); margin-bottom: 32px; }
.wordmark { color: var(--red); font-weight: 700; letter-spacing: 2px; font-size: 15px; text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 14px; }
nav a:hover { color: var(--text); }
h1 { font-size: 28px; letter-spacing: -0.5px; margin-bottom: 8px; }
h2 { font-size: 17px; margin: 28px 0 8px; }
p, li { color: var(--muted); font-size: 15px; }
p strong { color: var(--text); }
ul { padding-left: 20px; margin: 8px 0; }
a { color: var(--red); }
.lede { font-size: 18px; color: var(--text); margin-bottom: 16px; }
.card { background: var(--panel); border: 1px solid var(--hairline); border-radius: 16px; padding: 18px 20px; margin: 16px 0; }
pre { background: var(--panel); border: 1px solid var(--hairline); border-radius: 12px; padding: 14px 16px; overflow-x: auto; font-size: 13px; color: var(--text); margin: 12px 0; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
footer { border-top: 1px solid var(--hairline); margin-top: 48px; padding-top: 16px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); margin-right: 12px; }
.hint { border-left: 3px solid var(--red); padding-left: 12px; }