body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f5f5f5;
    }
    
    /* Chat icon styles */
    .chat-icon {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 60px;
      height: 60px;
      background-color: #4285f4;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      transition: all 0.3s ease;
      z-index: 1000;
    }
    
    .chat-icon:hover {
      background-color: #3367d6;
      transform: scale(1.1);
    }
    
    .chat-icon i {
      color: white;
      font-size: 24px;
    }
    
    /* Chat container styles */
    .chat-container {
      position: fixed;
      bottom: 100px;
      right: 30px;
      width: 350px;
      height: 500px;
      background-color: white;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      overflow: hidden;
      display: none;
      flex-direction: column;
      z-index: 1000;
      transition: all 0.3s ease;
    }
    
    .chat-container.active {
      display: flex;
    }
    
    /* Chat header styles */
    .chat-header {
      background-color: #4285f4;
      color: white;
      padding: 15px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .chat-header h3 {
      margin: 0;
      font-size: 18px;
    }
    
    .close-btn-close {
      background: none;
      border: none;
      color: white;
      font-size: 20px;
      cursor: pointer;
    }
    
    /* Chat messages area */
    .chat-messages {
      flex: 1;
      padding: 15px;
      overflow-y: auto;
      background-color: #f9f9f9;
    }
    
    /* Message styles */
    .message {
      margin-bottom: 15px;
      max-width: 80%;
      padding: 10px 15px;
      border-radius: 18px;
      line-height: 1.4;
      position: relative;
      word-wrap: break-word;
    }
    
    .bot-message {
      background-color: #e5e5ea;
      color: #000;
      border-top-left-radius: 5px;
      align-self: flex-start;
    }
    
    .user-message {
      background-color: #4285f4;
      color: white;
      border-top-right-radius: 5px;
      margin-left: auto;
    }
    
    /* Chat input area */
    .chat-input {
      display: flex;
      padding: 10px;
      background-color: white;
      border-top: 1px solid #eee;
    }
    
    .chat-input input {
      flex: 1;
      padding: 12px 15px;
      border: 1px solid #ddd;
      border-radius: 25px;
      outline: none;
      font-size: 14px;
    }
    
    .chat-input button {
      background-color: #4285f4;
      color: white;
      border: none;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      margin-left: 10px;
      cursor: pointer;
      transition: background-color 0.3s;
    }
    
    .chat-input button:hover {
      background-color: #3367d6;
    }
    
    /* Typing indicator */
    .typing-indicator {
      display: flex;
      padding: 10px 15px;
      background-color: #e5e5ea;
      border-radius: 18px;
      margin-bottom: 15px;
      align-self: flex-start;
      width: fit-content;
    }
    
    .typing-dot {
      width: 8px;
      height: 8px;
      background-color: #666;
      border-radius: 50%;
      margin: 0 2px;
      animation: typingAnimation 1.4s infinite ease-in-out;
    }
    
    .typing-dot:nth-child(1) {
      animation-delay: 0s;
    }
    
    .typing-dot:nth-child(2) {
      animation-delay: 0.2s;
    }
    
    .typing-dot:nth-child(3) {
      animation-delay: 0.4s;
    }
    
    @keyframes typingAnimation {
      0%, 60%, 100% {
        transform: translateY(0);
      }
      30% {
        transform: translateY(-5px);
      }
    }
    
    /* Timestamp */
    .timestamp {
      font-size: 11px;
      color: #999;
      margin-top: 5px;
      text-align: right;
    }
    
    /* Quick reply buttons */
    .quick-replies {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 10px;
    }
    
    .quick-reply {
      background-color: #e5e5ea;
      border: none;
      border-radius: 15px;
      padding: 6px 12px;
      font-size: 12px;
      cursor: pointer;
      transition: background-color 0.2s;
    }
    
    .quick-reply:hover {
      background-color: #d5d5da;
    }
    
    /* Responsive adjustments */
    @media (max-width: 480px) {
      .chat-container {
        width: 90%;
        right: 5%;
        height: 70vh;
        bottom: 20px;
      }
      
      .chat-icon {
        right: 20px;
        bottom: 20px;
      }
    }