@media (min-width: 480px) {
  .controls {
    max-width: 400px;
    max-height: 600px;
  }

  .tab-buttons button {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
}

@media (min-width: 600px) {
  .controls {
    max-width: 420px;
    max-height: 640px;
  }

  .controls h2 {
    font-size: 1.2rem;
  }
}

@media (min-width: 900px) {
  .controls {
    max-width: 520px;
  }
}

@media (max-width: 400px) {
  .controls {
    width: calc(100vw - 16px);
    height: calc(100vh - 60px);
    padding: 10px;
  }

  .controls h2 {
    font-size: 1rem;
  }

  .controls label {
    font-size: 0.8rem;
  }

  .tab-buttons button {
    padding: 4px 8px;
    font-size: 0.75rem;
  }
}