:root {
  --bg: #fbf8f4;
  --panel: #ffffff;
  --ink: #1d1a16;
  --muted: #6d655a;
  --line: #e7ddd0;
  --accent: #c2410c;
  --accent-soft: #fde7d6;
  --code-bg: #f4eee6;
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15120e;
    --panel: #1d1914;
    --ink: #efe9df;
    --muted: #a99d8c;
    --line: #322a20;
    --accent: #f97316;
    --accent-soft: #3a2415;
    --code-bg: #221c15;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.62;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 600; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; font-size: 18px; }
.brand svg { display: block; }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover, nav a.active { color: var(--accent); }
main { padding: 56px 0 72px; }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 14px; }
h2 { font-size: 24px; letter-spacing: -0.02em; margin: 44px 0 14px; }
h3 { font-size: 18px; margin: 28px 0 8px; }
p { margin: 0 0 16px; }
.lead { font-size: 20px; color: var(--muted); margin-bottom: 30px; }
a { color: var(--accent); }
.tag { font-family: var(--mono); font-size: 13px; color: var(--accent); background: var(--accent-soft); padding: 3px 9px; border-radius: 999px; display: inline-block; }
.cta { display: inline-flex; gap: 12px; margin: 10px 0 8px; flex-wrap: wrap; }
.btn { display: inline-block; text-decoration: none; font-size: 15px; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--line); color: var(--ink); background: var(--panel); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
pre, code { font-family: var(--mono); font-size: 14.5px; }
code { background: var(--code-bg); padding: 2px 6px; border-radius: 5px; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
.term { background: #16130f; color: #e8e2d6; border: 1px solid #2c251c; }
.term .c-dim { color: #8a8070; }
.term .c-acc { color: #f6a35b; }
.term .c-ok { color: #8bbf7a; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 22px 0; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; background: var(--panel); }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
ul.clean { padding-left: 20px; }
ul.clean li { margin: 6px 0; }
table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
td code { font-size: 13.5px; }
.log { list-style: none; padding: 0; margin: 20px 0; }
.log li { border-left: 2px solid var(--line); padding: 0 0 22px 20px; position: relative; }
.log li::before { content: ""; width: 9px; height: 9px; background: var(--accent); border-radius: 50%; position: absolute; left: -5.5px; top: 6px; }
.log .v { font-family: var(--mono); font-weight: 600; }
.log .d { color: var(--muted); font-size: 14px; margin-left: 8px; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; align-items: center; height: 72px; flex-wrap: wrap; gap: 8px; }
footer.site a { color: var(--muted); }
.muted { color: var(--muted); }
@media (max-width: 560px) {
  h1 { font-size: 31px; }
  .grid { grid-template-columns: 1fr; }
  nav a { margin-left: 14px; }
  body { font-size: 16px; }
}