html, body {
    height: 100%;
    margin: 0;
    background: #F2F2F2;
    font-family: "Courier New", monospace;
    overflow: hidden; /* desktop sem scroll */
  }

  /* Desktop */
  .desktop {
    position: relative;
    width: 100%;
    height: 100%;
    background: #D6D6D6;
    display: flex;
    flex-direction: column;
  }

  /* Barra superior (menu simples) */
  .menubar {
    background: #bdbdbd;
    border-bottom: 1px solid #888;
    padding: 4px 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
  }
  .menubar button {
    font-family: inherit;
    font-size: 14px;
    border: 1px solid #000;
    background: #eee;
    padding: 4px 8px;
    cursor: pointer;
  }
  .menubar button:hover { background: #ddd; }

  /* Área de janelas */
  .workspace {
    position: relative;
    flex: 1;
    overflow: hidden;
  }

  /* Janela estilo Mac antigo */
  .win {
    position: absolute;
    top: 56px;
    left: 56px;
    width: 760px;
    height: 520px;
    min-width: 380px;
    min-height: 240px;
    border: 1px solid black;
    background: #e0e0e0;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 4px 0 #999;
    resize: both;
    overflow: hidden;
  }

  .title-bar {
    background: #888;
    color: black;
    font-weight: bold;
    padding: 4px 8px;
    border-bottom: 1px solid #000;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: move;
    user-select: none;
  }
  .title-dot { font-weight: bold; }
  .title-text { flex: 1; }
  .win-btn {
    border: 1px solid #000;
    background: #eaeaea;
    padding: 2px 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
  }
  .win-btn:hover { background: #ddd; }

  .form-bar {
    background: #cfcfcf;
    border-bottom: 1px solid #aaa;
    padding: 6px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
  }
  .form-bar input,
  .form-bar select,
  .form-bar button,
  .form-bar label {
    font-family: inherit;
    background: white;
    border: 1px solid black;
    padding: 4px;
    margin: 0;
    font-size: 14px;
    color: black;
  }
  .form-bar label {
    background: transparent;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .form-bar button:hover { background: #eee; cursor: pointer; }

  .content {
    background: #fff;
    color: #000;
    border-top: 1px solid #aaa;
    padding: 10px;
    flex: 1;
    overflow: auto;
    white-space: pre-wrap;
    font-size: 14px;
    font-family: monospace;
  }
  .packet-loss { color: red; font-weight: bold; }