:root {
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --bg: #ffffff;
  --accent: #2a5db0;
  --border: #e2e2e2;
  --code-bg: #f5f5f5;
  --quote-bg: #f7f9fc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
}

.site-nav {
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}
.site-nav-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0.6rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1.1rem;
}
.site-nav-title {
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
  margin-right: 0.8rem;
}
.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1rem;
  margin: 0;
  padding: 0;
}
.nav-list a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
}
.nav-list a:hover { color: var(--accent); }
.nav-list a.active { color: var(--accent); font-weight: 600; }

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.2rem 1.2rem 3rem;
}

h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 2rem; margin-top: 0; }
h2 { margin-top: 2.2rem; border-top: 1px solid var(--border); padding-top: 1.4rem; }

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

blockquote {
  margin: 1.4rem 0;
  padding: 0.8rem 1.1rem;
  background: var(--quote-bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 4px 4px 0;
}
blockquote p { margin: 0.4rem 0; }

code {
  font-family: "Fira Code", monospace;
  background: var(--code-bg);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.88em;
}
pre {
  background: var(--code-bg);
  padding: 0.9rem 1.1rem;
  border-radius: 6px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4rem 0;
  font-size: 0.92rem;
}
th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
th { background: #fafafa; }

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1.6rem 1.2rem 2.4rem;
}
.site-footer a { color: var(--muted); }