body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont;
  background: #0f172a;
  color: #e5e7eb;
  margin: 0;
  padding: 40px;
}

.app {
  max-width: 600px;
  margin: auto;
  background: #020617;
  padding: 24px;
  border-radius: 12px;
}

h1 {
  margin-top: 0;
}

.subtitle {
  color: #94a3b8;
}

input {
  width: 100%;
  padding: 12px;
  margin-top: 16px;
  border-radius: 6px;
  border: none;
}

button {
  margin-top: 12px;
  padding: 12px 16px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

pre {
  background: #020617;
  margin-top: 20px;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
}