:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #0066cc;
  --border: #e0e0e0;
  --code-bg: #f4f4f4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --accent: #66aaff;
    --border: #2a2a2a;
    --code-bg: #1e1e1e;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover,
nav a.active {
  color: var(--accent);
}

nav .logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  letter-spacing: 0.02em;
}

main {
  flex: 1;
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

code {
  background: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  padding: 0;
  background: none;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
}

.intro {
  margin-bottom: 2rem;
}

.quick-links ul {
  list-style: none;
  padding: 0;
}

.quick-links li {
  padding: 0.5rem 0;
}

.doc {
  max-width: 100%;
}

.doc-list ul {
  list-style: none;
  padding: 0;
}

.doc-list li {
  padding: 0.5rem 0;
}