:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.4;
}

body {
  margin: 0;
  background: #f8fafc;
  color: #1f2937;
}

.container {
  max-width: 560px;
  margin: 0 auto;
  padding: 1rem;
}

h1 {
  margin-bottom: 0.75rem;
}

form {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

input,
button {
  font: inherit;
  padding: 0.6rem 0.7rem;
  border-radius: 0.45rem;
  border: 1px solid #cbd5e1;
}

button {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}

.nav-links {
  display: flex;
  gap: 0.8rem;
}

pre {
  background: #e2e8f0;
  border-radius: 0.5rem;
  padding: 0.75rem;
  overflow: auto;
}