:root {
  --bg: #fcfcfb;
  --panel: #ffffff;
  --text: #1f2328;
  --muted: #59636e;
  --line: #d8dee4;
  --accent: #0969da;
  --accent-soft: #f6f8fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
}

.docs-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.docs-header {
  margin-bottom: 2rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.brand {
  font-weight: 700;
}

.docs-nav a {
  color: var(--muted);
}

.docs-nav .brand {
  color: var(--text);
}

h1 {
  margin: 0;
  font-size: 2.4rem;
  line-height: 1.1;
}

h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lede {
  max-width: 60rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.docs-main {
  display: grid;
  gap: 1rem;
}

.doc-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
}

.doc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0;
}

.link-list {
  padding-left: 1.2rem;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--accent-soft);
}

code {
  background: var(--accent-soft);
  padding: 0.1rem 0.28rem;
  border-radius: 4px;
}

pre code {
  background: transparent;
  padding: 0;
}

ul {
  padding-left: 1.25rem;
}

.architecture-diagram {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

@media (max-width: 700px) {
  .docs-page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  h1 {
    font-size: 2rem;
  }
}