* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
}

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

.page { max-width: 56rem; margin: 0 auto; padding: 0 2rem; }

nav { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
nav a { font-weight: 500; }

header {
  padding: 1.5rem 0 1.25rem;
  border-bottom: 1px solid var(--border);
  width: 100%;
}

.header-top {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.header-top nav {
  margin-left: auto;
  padding-top: 0.25rem;
}

.header-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.header-tagline {
  font-family: ui-monospace, monospace;
  font-size: 1rem;
  color: var(--logo);
  padding-left: 0.15rem;
}

.logo-pre {
  font-family: ui-monospace, monospace;
  font-size: 0.65rem;
  line-height: 1.2;
  color: var(--logo);
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  letter-spacing: 0.02em;
  overflow: visible;
}

main { padding: 2rem 0 3rem; }

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 2.5rem 0;
  max-width: 48rem;
}

section { margin-bottom: 2.5rem; }

h1 { font-size: 1.5rem; font-weight: 600; margin: 0 0 1rem 0; }
h2 { font-size: 1.25rem; font-weight: 600; margin: 1.5rem 0 0.5rem 0; color: var(--fg); }
h3 { font-size: 1.1rem; font-weight: 600; margin: 1.25rem 0 0.5rem 0; color: var(--fg); }

p { margin: 0.5rem 0; color: var(--muted); }
ul { margin: 0.5rem 0; padding-left: 1.5rem; }
li { margin: 0.25rem 0; color: var(--muted); }

article code,
section code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background: var(--card);
  border-radius: 4px;
  color: var(--accent);
}

article strong,
section strong { color: var(--fg); font-weight: 600; }

article em,
section em { color: var(--muted); font-style: italic; }

main pre {
  margin: 0;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
}

.code-block-wrap {
  position: relative;
  margin: 0.75rem 0;
}

.code-copy-btn {
  position: absolute;
  top: 0;
  right: 0;
  width: 2rem;
  height: 2rem;
  border: none;
  background: var(--border);
  color: var(--muted);
  border-radius: 0 6px 0 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.2s ease, background 0.2s ease, color 0.2s ease;
  padding: 0;
}

.code-copy-btn:hover {
  opacity: 1;
  background: var(--accent);
  color: white;
}

.code-copy-btn.copied {
  background: var(--accent);
  color: white;
  opacity: 1;
}

.code-copy-btn svg {
  width: 14px;
  height: 14px;
}

main pre code {
  padding: 0;
  background: none;
  color: var(--fg);
  font-size: 0.875rem;
  line-height: 1.5;
}

.install-note {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
}

.theme-dark {
  --bg: #0f172a;
  --fg: #f1f5f9;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --border: #334155;
  --card: #1e293b;
  --logo: #7dd3fc;
}