Feature Request: Add invalid CSS theming for `required` fields

[yannickowow]

Feature/component description

Implement VS Code error background/foreground/text color for required components

Use case

If a field is not fulfilled with valid contents, components should be able to show to the user the invalid state. Please provide a use case to help us understand your request in context.

Screenshots/references

Reference: https://developer.mozilla.org/fr/docs/Web/CSS/:invalid

Thanks :)

[daviddossett]

Thanks @yannickowow. We have an item to implement validation/hints for some inputs on our radar. I'll fold this under that work.

[crhenrici]

Is this still planned to be implemented?