Write a complete responsive code for a Question AI that helps users solve their Hindi, English, Math, Physics, Chemistry, Biology, and other problems. Use Gemini Free (best AI model free API). Use HTML, CSS, and JS in a single file. Search online and check how to do it

AIzaSyBFa-YozpwqghkgM7xes1QA8ZrGRdBAeE8 Use this API key. And add the image feature so that I can also get answers by uploading an image. Make the design simple and clean like an app UI