:root {
  color-scheme: light;
  --bg: #f5f8fc;
  --surface: #ffffff;
  --text: #10243f;
  --muted: #4e647d;
  --accent: #0ab444;
  --accent-strong: #529c32;
  --border: #dce6f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

.app-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.markdown-section {
  max-width: 900px;
  padding: 1.5rem 1.25rem 3rem;
}

.markdown-section h1,
.markdown-section h2,
.markdown-section h3 {
  color: var(--accent-strong);
  line-height: 1.25;
}

.markdown-section img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  box-shadow: 0 12px 30px rgba(15, 76, 129, 0.12);
}

.markdown-section img[alt="rhizome-mcp logo"] {
  width: 100%;
  max-width: 640px;
  height: auto;
}

.markdown-section code {
  font-size: 0.95em;
  background: rgba(15, 76, 129, 0.08);
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
}

.markdown-section pre {
  background: #0f172a;
  color: #f8fafc;
  padding: 1rem;
  border-radius: 0.75rem;
  overflow-x: auto;
}

.markdown-section pre code {
  color: var(--accent);
  background: transparent;
  padding: 0;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.sidebar ul li a {
  color: var(--muted);
}

.sidebar ul li.active > a {
  color: var(--accent);
  font-weight: 600;
}

blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
  background: rgba(15, 76, 129, 0.06);
  border-radius: 0.25rem;
}

@media (max-width: 768px) {
  .markdown-section {
    padding: 1rem 1rem 2rem;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}