/* Same palette/tokens as the web app's WEB_CSS (app/worker/src/webApp.ts)
   -- always dark, no light-mode variant, to match the product exactly
   rather than drift into a separate "docs site" look. */
:root {
  --bg: #1A0F2E; --panel: #241433; --surface: #2D1B4E; --border: #4A2F73; --muted: #B4A3D6; --fg: #F3EFFF;
  --pink: #FF2E92; --cyan: #2EE6FF;
  --code-bg: #140B24;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden], [hidden="true"] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--pink); }

code, pre {
  font-family: var(--mono);
  background: var(--code-bg);
  border-radius: 4px;
}
code { padding: 0.1em 0.35em; font-size: 0.9em; color: var(--cyan); }
pre { padding: 1rem; overflow-x: auto; border: 1px solid var(--border); }
pre code { padding: 0; background: none; color: var(--fg); }

table { border-collapse: collapse; width: 100%; margin: 1.5rem 0; }
th, td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; font-size: 0.95em; }
th { background: var(--code-bg); color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 800; font-size: 1.3rem; color: var(--pink); letter-spacing: -0.02em; }
.brand-dim { color: var(--muted); font-weight: 400; }
.topnav { display: flex; gap: 0; }
.topnav a { margin-left: 1.25rem; color: var(--muted); font-size: 0.92rem; }
.topnav a:hover { color: var(--pink); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}
.footer-links { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--pink); }
.site-footer p { margin: 0; }

.layout {
  display: flex;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  gap: 2.5rem;
  align-items: flex-start;
}

.sidebar { flex: 0 0 200px; position: sticky; top: 1.5rem; }
.sidenav { display: flex; flex-direction: column; gap: 0.4rem; }
.navlink {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.25rem 0;
}
.navlink.active, .navlink:hover { color: var(--pink); }
.sidenav-archive { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.sidenav-archive .navlink { font-size: 0.85rem; }
.navgroup { color: var(--muted); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

.content { flex: 1 1 auto; min-width: 0; }
.prose { max-width: 680px; }
.prose h1 { font-size: 1.8rem; margin-top: 0; color: var(--fg); }
.prose h2 { font-size: 1.3rem; margin-top: 2.2rem; border-top: 1px solid var(--border); padding-top: 1.2rem; }
.prose h3 { font-size: 1.05rem; }

.heading-anchor {
  display: inline-flex;
  align-items: center;
  margin-left: 0.5em;
  color: var(--muted);
  opacity: 0;
  vertical-align: middle;
  transition: opacity 0.1s ease;
}
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor,
.prose h4:hover .heading-anchor,
.prose h5:hover .heading-anchor,
.prose h6:hover .heading-anchor,
.heading-anchor:focus {
  opacity: 1;
}
.heading-anchor:hover { color: var(--pink); }
.heading-anchor svg { display: block; }
.heading-anchor.copied::after {
  content: "Copied!";
  margin-left: 0.4em;
  font-size: 0.75rem;
  color: var(--muted);
}
.prose ul, .prose ol { padding-left: 1.3rem; }

.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  text-align: left;
}
.hero h1 { font-size: 2.6rem; margin-bottom: 0.5rem; letter-spacing: -0.02em; color: var(--fg); }

/* page-body is the home page's whole markdown body (tagline, nav-links,
   factor blocks, closing line) rendered as one flow. It's a real CSS grid
   so the factor elements (no wrapper div around them) land two-per-row by
   plain grid auto-placement; every other child spans both columns so it
   reads as full-width prose instead of getting caught in the grid. */
.page-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 1.75rem;
}
.page-body > p,
.page-body > nav-links {
  grid-column: 1 / -1;
}
.page-body > p:first-child { color: var(--muted); font-size: 1.1rem; max-width: 560px; }
.page-body > p:last-child { margin-top: 1rem; font-size: 0.85rem; color: var(--muted); }

nav-links ul {
  list-style: none;
  margin: 2.5rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
nav-links li a {
  display: block;
  padding: 0.9rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg);
  font-size: 0.95rem;
}
nav-links li a:hover { border-color: var(--pink); text-decoration: none; }

factor {
  display: block;
  margin-top: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
}
factor h3 { font-size: 0.85rem; margin: 0 0 0.6rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
factor p { font-size: 0.9rem; color: var(--fg); margin: 0; line-height: 1.5; }
@media (max-width: 520px) {
  .page-body { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar { position: static; width: 100%; }
  .hero h1 { font-size: 2rem; }
}