.emulator-root {
    background: radial-gradient(circle at center, #001100, #000);
    border: 2px solid #0f0;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 20px #0f0;
    margin-top: 2rem;
  }
  
  #emu-screen {
    display: block;
    background: #000;
    border: 1px solid #0f0;
    width: 512px;
    height: 480px;
    margin: 0 auto 1rem auto;
  }
  
  .emu-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
  }
  
  .file-btn {
    background: #0f0;
    color: #000;
    font-weight: bold;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
  }
  .file-btn input {
    display: none;
  }
  
  .btn {
    background: transparent;
    color: #0f0;
    border: 1px solid #0f0;
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .btn:hover {
    background: #0f0;
    color: #000;
  }
  
  .emu-status {
    margin-top: 8px;
    color: #0f0;
    font-family: monospace;
    font-size: 0.9rem;
  }