.chat-icon {
      position: fixed;
      bottom: 25px;
      right: 25px;
      background: #e74c3c;
      color: white;
      font-size: 26px;
      padding: 18px;
      border-radius: 70px;
      box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
      cursor: pointer;
      transition: all 0.3s ease;
      z-index: 1000;
    }
    .chat-icon:hover {
      background: #c0392b;
      transform: scale(1.1);
    }