refactor(ui): Improve BlogAppbar padding for better text access

[m4dd0c]

PR Fixes:

1. Adjusted BlogAppbar padding (p-6 → px-6 pt-6 mt-6) to prevent it from blocking text selection behind it.
2. Introduced a subtle hover effect on text to enhance the reading experience and improve UX in BlogAppbar Menu.

Resolves #743

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [x] I assure there is no similar/duplicate pull request regarding same issue