Fix: Improve dark/light theme consistency in navigation UI

[SHASHI9705]

What kind of change does this PR introduce?

UI enhancement for better consistency between light and dark themes.

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Issue Number:
Fixes #1889

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Summary of Changes:

• Improved the dark theme appearance for navigation tabs.
• Added color highlight on hover (similar to light theme).
• Updated selected tab styling to use a filled color instead of only an underline.
• Ensured visual consistency and better accessibility in both light and dark modes.

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Checklist:

• My code follows the project’s contribution guidelines.
• I’ve linked the relevant issue.
• I’ve tested the changes locally.
• The UI looks visually consistent across themes.

[github-actions]

Hi @SHASHI9705! Thanks a lot for your contribution!

I noticed that the following required information is missing or incomplete: kind of change description

Please update the PR description to include this information. You can find placeholders in the PR template for these items.

Thanks a lot!

[SHASHI9705]

I've made the requested UI improvements for the dark/light theme consistency.
Everything has been tested and verified locally — please review and merge this PR when possible. 🙌

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (1ca4a48) to head (47403a4).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files           30        30           
  Lines          633       633           
  Branches       196       196           
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  Hits           633       633           

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[Utkarsh-123github]

Hi @SHASHI9705 , the main change looks good.
Could you please revert the modifications made to the package.json and yarn.lock files?
Thank you so much for your efforts 🚀

[SHASHI9705]

Hi @SHASHI9705 , the main change looks good. Could you please revert the modifications made to the package.json and yarn.lock files? Thank you so much for your efforts 🚀

I have made the changes of that files as previous one, please review and merge this PR when possible. 🙌 @Utkarsh-123github