/* Custom styles for popup animation and positioning */
        .popup {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 400px;
            height: 500px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(55, 199, 18, 0.1), 0.1;
            padding: 20px;
            z-index: 9999;
            transform: translateY(100%);
            opacity: 0;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .popup.open {
            transform: translateY(0);
            opacity: 1;
             }
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 252, 252, 0.336);
            z-index: 9998;
            display: none;
                    }
        .popup-overlay.open {
            display: block;
        }
        .chat-messages {
            height: 300px;
            overflow-y: auto;
            border: 1px solid #e5e5e5;
            padding: 10px;
            margin-bottom: 10px;
            border-radius: 5px;
        }
        .message {
            margin-bottom: 10px;
            padding: 8px;
            border-radius: 5px;
             }
        .message.customer {
            background-color: #b5b9bd;
            align-self: flex-end;
        }
        .message.support {
            background-color: #979e98;
        }
        #messageInput {
            width: calc(100% - 60px);
            padding: 10px;
            border: 1px solid #fcfcfc;
            border-radius: 5px;
        }
        button:hover {
            background-color: #5e73dd;
        }