body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1rem;
  line-height: 1.65;
  color: #1b1b1b;
}

header {
  margin-bottom: 2rem;
}

nav a {
  margin-right: 1rem;
  text-decoration: none;
}

.post-card {
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.muted {
  color: #666;
  font-size: 0.95rem;
}

a {
  color: #0a57d5;
}

code {
  background: #f6f8fa;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

pre {
  background: #f6f8fa;
  padding: 0.8rem;
  overflow-x: auto;
  border-radius: 8px;
}