I already mentioned this in some reply thread, but I started working on a project to implement the material design 3 web components as a library for Kotlin compose html.
This is still very very alpha, but maybe people wanting to experiment can check it out:
https://github.com/mminke/kotlin-compose-web-material3
btw in this project there is also an example project which shows the currently available components. A screenshot to give an impression: