body {
    font-family: Arial;
    margin: 0;
    padding: 0;
  }
  
  #chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #00bcd4;
    color: white;
    padding: 12px 20px;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  }
  
  #chat-box {
    display: none;
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 300px;
    max-height: 400px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    overflow: hidden;
    flex-direction: column;
  }
  
  #chat-header {
    background: #00bcd4;
    color: white;
    padding: 12px;
    text-align: center;
    font-weight: bold;
  }
  
  #chat-messages {
    padding: 10px;
    height: 250px;
    overflow-y: auto;
    background: #f9f9f9;
  }
  
  #chat-box input[type="text"] {
    width: 90%;
    margin: 5px;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 20px;
  }
  
  #chat-box button {
    margin: 5px;
    padding: 8px 12px;
    background: #00bcd4;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
  }