.chatbot-container {
        max-width: 400px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        overflow: hidden;
        position: fixed;
        bottom: 80px;
        right: 20px;
        opacity: 0;
        transform: scale(0.8);
        pointer-events: none;
        transition: opacity 0.3s ease, transform 0.3s ease;
      }

      .chatbot-container.open {
        opacity: 1;
        transform: scale(1);
        pointer-events: auto;
      }

      .chat-header {
        background: linear-gradient(45deg, #724ae8, #3a7bd5);
        color: white;
        padding: 10px;
        text-align: center;
      }

      .chat-body {
        height: 500px;
        overflow-y: auto;
        padding: 10px;
        display: flex;
        flex-direction: column;
      }

      .chat-message {
        margin: 5px 0;
        padding: 10px;
        border-radius: 5px;
      }

      .user-message {
        align-self: flex-end;
        background-color: #d1e7dd;
      }

      .bot-message {
        align-self: flex-start;
        background: linear-gradient(45deg, #724ae8, #3a7bd5);
        color: white;
      }

      .send-button {
        padding: 10px 20px;
        background: linear-gradient(45deg, #724ae8, #3a7bd5);
        color: white;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: background 0.3s ease;
      }
      .send-button:hover {
        background: linear-gradient(45deg, #3a7bd5, #724ae8);
      }

      .course-button {
        padding: 10px 10px;
        background: linear-gradient(45deg, #FFDEE9, #B5FFFC);
        color: #333;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: background 0.3s ease;
		    margin-right: 5px;
      }
      .course-button:hover {
        background: linear-gradient(45deg, #B5FFFC, #FFDEE9);
      }

      .typing-indicator {
        display: flex;
        align-items: center;
      }

      .typing-indicator span {
        display: inline-block;
        width: 8px;
        height: 8px;
        background-color: #777;
        border-radius: 50%;
        margin-right: 3px;
        animation: blink 1s infinite;
      }

      .typing-indicator span:nth-child(1) {
        animation-delay: 0s;
      }
      .typing-indicator span:nth-child(2) {
        animation-delay: 0.2s;
      }
      .typing-indicator span:nth-child(3) {
        animation-delay: 0.4s;
      }

      @keyframes blink {
        0%,
        80%,
        100% {
          opacity: 0;
        }
        40% {
          opacity: 1;
        }
      }

      .chat-footer {
        display: flex;
        padding: 10px;
        border-top: 1px solid #ccc;
      }

      .chat-input {
        flex: 1;
        padding: 10px;
        border: 1px solid #ccc;
        border-radius: 4px;
      }

      .start-chat-btn {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: none;
        border: none;
        cursor: pointer;
      }

      .start-chat-btn img {
        width: 50px;
        height: 50px;
      }