/* Trailblazer External Partner API — developer docs.
   Fully local, no web fonts, no external assets (no-runtime-CDN gate).
   System font stack matches the Scalar reference page (withDefaultFonts:false). */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --bg-code: #f6f8fa;
  --fg: #14161c;
  --fg-muted: #4a5157;
  --border: #c4ccd4;
  --accent: #0b5cad;
  --accent-soft: #ddeafb;
  --note-bg: #eef6ff;
  --note-border: #67a8e6;
  --warn-bg: #fff8e6;
  --warn-border: #e0b34d;
  --code-fg: #1f2328;
  --radius: 8px;
  --maxw: 780px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-soft: #161b22;
    --bg-code: #161b22;
    --fg: #e6edf3;
    --fg-muted: #9198a1;
    --border: #30363d;
    --accent: #6cb6ff;
    --accent-soft: #163356;
    --note-bg: #0f2438;
    --note-border: #2f6ba8;
    --warn-bg: #2b2410;
    --warn-border: #7a5c1e;
    --code-fg: #e6edf3;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

/* ---- top nav ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
  padding: 12px 24px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.site-nav .brand {
  font-weight: 700;
  margin-right: 8px;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
}
.site-nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--accent); }
.site-nav .spacer { flex: 1; }

/* ---- content column ---- */
main.doc {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

main.doc h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; }
main.doc h2 { font-size: 1.35rem; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--border); }
main.doc h3 { font-size: 1.1rem; margin: 28px 0 8px; }
main.doc .lede { font-size: 1.12rem; color: var(--fg-muted); margin: 0 0 8px; }

main.doc a { color: var(--accent); }

main.doc code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--code-fg);
}
main.doc pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  line-height: 1.5;
}
main.doc pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
}

main.doc table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
}
main.doc th, main.doc td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
main.doc th { background: var(--bg-soft); font-weight: 600; }

main.doc ol, main.doc ul { padding-left: 1.4em; }
main.doc li { margin: 4px 0; }
main.doc li > p { margin: 4px 0; }

/* callouts */
.note, .warn {
  border-left: 4px solid var(--note-border);
  background: var(--note-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  margin: 20px 0;
}
.warn { border-left-color: var(--warn-border); background: var(--warn-bg); }
.note p:first-child, .warn p:first-child { margin-top: 0; }
.note p:last-child, .warn p:last-child { margin-bottom: 0; }
.note strong, .warn strong { color: var(--fg); }

/* step numbers on getting started */
.steps { counter-reset: step; list-style: none; padding-left: 0; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  margin: 28px 0;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* home cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 28px 0;
}
.card {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-decoration: none;
  color: inherit;
  background: var(--bg-soft);
}
.card:hover { border-color: var(--accent); }
/* Beat the generic `main.doc h3` (margin-top:28px) so card titles hug the card top. */
main.doc .card h3 { margin: 0 0 8px; font-size: 1rem; color: var(--accent); }
.card p { margin: 0; font-size: 0.9rem; color: var(--fg-muted); }

.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* reference page: keep the Scalar app below our slim nav */
body.reference { display: flex; flex-direction: column; min-height: 100vh; }