body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 24px;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
}

code {
  background: #1f2937;
  padding: 2px 6px;
  border-radius: 4px;
}