Description

Refs #19498

Adds a visible focus ring for .immich-form-input controls so keyboard focus is easier to identify on admin settings inputs, selects,and textareas.

How Has This Been Tested?

• Verified keyboard focus on Job Settings number inputs
• Verified keyboard focus on Logging level select
• Ran prettier --check src/app.css

Screenshots

Checklist:

• I have carefully read CONTRIBUTING.md
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation if applicable
• I have no unrelated changes in the PR.
• I have confirmed that any new dependencies are strictly necessary.
• I have written tests for new code (if applicable)
• I have followed naming conventions/patterns in the surrounding code
• All code in src/services/ uses repositories implementations for database calls, filesystem operations, etc.
• All code in src/repositories/ is pretty basic/simple and does not have any immich specific logic (that belongs in src/services/)

Please describe to which degree, if any, an LLM was used in creating this pull request.

Used an LLM to help inspect the issue, set up the local environment, and validate the change. I reviewed the final diff before submitting.