body {
  font-family: sans-serif;
  background: #1e1e1e;
  color: #f2f2f2;
  padding: 2rem;
}

textarea {
  width: 100%;
  padding: 1rem;
  background: #333;
  color: #fff;
  border: none;
  border-radius: 8px;
}

button {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  background: #4690c1;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

pre {
  background: #2a2a2a;
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  white-space: pre-wrap;
}