body {
    font-family: Arial, sans-serif;
    overflow: hidden;
  }
  
  #addPaneButton {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }
  
  #paneContainer {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: #f0f0f0;
    overflow: hidden;
  }
  
  .pane {
    position: absolute;
    width: 300px;
    height: 200px;
    background-color: white;
    border: 1px solid #ccc;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
  }
  
  .pane-header {
    background-color: #007bff;
    color: white;
    padding: 5px;
    cursor: move;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .pane-content {
    padding: 10px;
    flex-grow: 1;
    overflow: auto;
  }
  
  .close-button, .minimize-button, .maximize-button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    margin-left: 5px;
  }