body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #222;
  color: #fff;
  text-align: center;
  margin: 0;
  padding: 0;
}

h1 {
  margin-top: 2rem;
  font-size: 2.5rem;
}

#controls {
  margin: 2rem auto;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

button {
  background: #444;
  color: #fff;
  border: none;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

button:disabled {
  background: #666;
  cursor: not-allowed;
}

button:not(:disabled):hover {
  background: #09f;
}

#status {
  margin-top: 1rem;
  font-size: 1.1rem;
  min-height: 2rem;
}