Love the UI. Do consider adding product walkthrough for guest account. I couldn't make much sense of the purpose of the product or navigation. May be anki users will get it better though.<p>btw, are you using antd? or any specific ui library?
covered before: <a href="https://news.ycombinator.com/item?id=20029466" rel="nofollow">https://news.ycombinator.com/item?id=20029466</a><p>anki could use a facelift