Nav Fix: styled Login-Register

[Atishyy27]

🚀 Pull Request

issue #614 Description
Majority things have been resolved already.

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Related Issue
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Type of Change
What kind of change does this pull request introduce?

• [ ] 🐛 Bug fix
• [ ] 🚀 New feature
• [ ] 📄 Documentation update
• [ ] 🛠️ Code improvement/refactor
• [x] 🖼️ UI/UX update
• [ ] Other (please specify)

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Checklist
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• [x] I have tested my changes and ensured they work as expected.
• [x] I have added any necessary documentation or comments.
• [x] I have checked the existing issues and pull requests to avoid duplicates.
• [x] I have starred this repository.
• [x] I have reviewed my code for best practices and readability.
• [x] I have included any relevant tests (if applicable).

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[gauravsingh1281]

@Atishyy27 resolve the merge conflicts.