 chatbot.style.display = "flex";
                chatIcon.style.display = "none";
            });

            chatHeader.addEventListener("click", () => {
                chatbot.style.display = "none";
                chatIcon.style.display = "flex";
            });

            // Populate chat input with selected sample question
            sampleDropdown.addEventListener("change", () => {
                const selectedQuestion = sampleDropdown.value;
                if (selectedQuestion) {
            