:root {
  --fg: #111;
  --muted: #555;
  --bg: #fdfdfc;
  --accent: #0b5fff;
  --max: 42rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header, main, footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

header { padding-bottom: 0.5rem; }

h1 { margin: 0 0 0.25rem; font-size: 1.75rem; }
h2 { margin-top: 2rem; font-size: 1.15rem; }

.tagline { color: var(--muted); margin: 0; }

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

ul { padding-left: 1.1rem; }
li { margin: 0.35rem 0; }

.agent-note {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.agent-note code {
  background: #f6f8fa;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.doc-loading {
  color: var(--muted);
  font-style: italic;
  padding: 1rem 0;
}

.doc-error {
  padding: 1rem 1.25rem;
  border: 1px solid #f5c2c7;
  background: #f8d7da;
  color: #842029;
  border-radius: 6px;
  margin: 1rem 0;
  font-size: 0.95rem;
}
.doc-error pre {
  background: #fff;
  border: 1px solid #eee;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin: 0.5rem 0;
  font: 0.85rem ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
}
.doc-error code {
  background: rgba(255,255,255,0.6);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.mermaid-diagram {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.25rem auto;
}

.mermaid-fallback {
  background: #fff8e5;
  border: 1px solid #f0d68c;
  color: #7a5a00;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font: 0.85rem ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

footer {
  color: var(--muted);
  font-size: 0.875rem;
  border-top: 1px solid #eee;
  margin-top: 3rem;
}