body .chatbox { font-family: Arial; background: #f2f2f2; padding: 20px; }
  .chatbox {
    max-width: 400px; background: #fff; padding: 15px;
    border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.2);
    position: fixed; bottom: 80px; right: 20px;
    max-height: 500px; overflow-y: auto; display: none; z-index: 9999;
  }
  .bot, .user { margin: 8px 0; padding: 8px; border-radius: 10px; }
  .bot { background: #e1f0ff; margin-right: 25px; }
  .user { background: #d1ffd8; margin-left: 25px; text-align: right; }
  .chatbox .options button, .chatbox .submit-btn, .chatbox .refresh-btn {
    background: #007bff; color: #fff; border: none;
    padding: 8px 12px; margin: 3px; border-radius: 5px; cursor: pointer;
  }
  .chatbox .options button:hover, .chatbox .submit-btn:hover, .chatbox .refresh-btn:hover { background: #0056b3; }
  .form-group { margin: 8px 0; }
  .chatbox input, .chatbox select, .chatbox textarea {
    width: 95%; padding: 6px; border: 1px solid #ccc; border-radius: 5px;
  }
  .refresh-div {
    width: 100%;
    position: relative;
  }
  .refresh-btn {
    position: absolute;
    bottom: 0px;
    right: 0px;
    z-index: 10000;
  }
  button:not(:hover):not(:active):not(.has-background) {
    background-color: #007bff !important;
}