@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Fira+Code:wght@400;600&display=swap');

:root {
  --text: #0f172a;
  --muted: #475569;
  --accent: #0ea5e9;
  --border: #e2e8f0;
  --bg-soft: #f8fafc;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.62;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 8mm;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: #0b4f6c;
  margin-bottom: 0.4rem;
}

h1 {
  margin-top: 0;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

h2 {
  margin-top: 1.8rem;
}

h3, h4 {
  color: #1e293b;
  margin-top: 1.2rem;
}

p {
  margin: 0.5rem 0 1rem;
  color: var(--text);
}

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  margin: 0.4rem 0 1rem;
  padding-left: 1.3rem;
}

li {
  margin: 0.14rem 0;
}

strong {
  color: #0f172a;
}

code {
  font-family: 'Fira Code', Menlo, Consolas, monospace;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.12em 0.4em;
  border-radius: 4px;
}

pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid #1e293b;
  overflow: auto;
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.1rem 0;
  font-size: 0.96rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.65rem 0.8rem;
  vertical-align: top;
}

th {
  background: #f1f5f9;
  text-align: left;
}

blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  padding: 0.9rem 1rem;
  color: var(--muted);
  margin: 1rem 0;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.7rem 0;
}