chore: clean up styles for the lit elements

[shibbas]

Purpose

• Cleans up the lit element styles
• Shows which citation is being previewed across all the citation references
• Cleans up button styles to be less pronounced
• Clean up tabs and teaser list component to be sharable for more than default prompts

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[X] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

npm run test
npm run test:playwright

[anfibiacreativa]

We have merging conflicts. Please update. After this is in, we need to release develop into main.