:root {
  --accent: #1d4ed8; --accent-ink: #fff;
  --bg: #f7f7f8; --surface: #ffffff; --surface-2: #f4f4f5;
  --ink: #09090b; --ink-2: #52525b; --ink-3: #9d9da8;
  --line: #e4e4e7; --line-2: #d0d0d6;
  --shadow-card: 0 1px 2px rgb(9 9 11 / .04), 0 12px 32px -12px rgb(9 9 11 / .10);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0d; --surface: #151518; --surface-2: #1d1d21;
    --ink: #fafafa; --ink-2: #a1a1aa; --ink-3: #64646e;
    --line: #26262b; --line-2: #3f3f46;
    --shadow-card: 0 0 0 1px rgb(255 255 255 / .02), 0 12px 32px -12px rgb(0 0 0 / .6);
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; line-height: 1.65;
}
nav {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line);
}
.nav-in { max-width: 800px; margin: 0 auto; padding: 0 24px; height: 62px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
.nav-in a.back { font-size: 13px; font-weight: 500; color: var(--ink-2); text-decoration: none; padding: 8px 12px; border-radius: 8px; }
.nav-in a.back:hover { background: var(--surface-2); color: var(--ink); }
main { max-width: 800px; margin: 0 auto; padding: 44px 24px 80px; }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
h1 { font-size: 34px; letter-spacing: -.03em; line-height: 1.1; margin-bottom: 28px; }
h2 { font-size: 20px; letter-spacing: -.02em; margin: 36px 0 12px; padding-top: 20px; border-top: 1px solid var(--line); }
h2:first-of-type { border-top: 0; padding-top: 0; }
h3 { font-size: 15px; margin: 22px 0 8px; }
p { color: var(--ink-2); font-size: 14.5px; margin: 12px 0; }
ul, ol { color: var(--ink-2); font-size: 14.5px; margin: 12px 0 12px 22px; }
li { margin: 7px 0; }
strong { color: var(--ink); font-weight: 600; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 12.5px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 5px; padding: 1.5px 5px; color: var(--ink);
}
pre {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  overflow-x: auto; margin: 14px 0; box-shadow: var(--shadow-card);
}
pre code { background: none; border: 0; padding: 0; font-size: 12.5px; line-height: 1.7; color: var(--ink); }
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13.5px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
th { background: var(--surface-2); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); }
td { color: var(--ink-2); }
td code { font-size: 12px; }
tr:last-child td { border-bottom: 0; }
.callout {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 12px; padding: 16px 18px; margin: 16px 0; box-shadow: var(--shadow-card);
}
.callout p { margin: 0; color: var(--ink-2); }
.doc-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.doc-nav a { font-size: 13px; font-weight: 500; }