Fixed the Navbar for better UX and change the css of logon and register according to the color pallet of Website i Dark mode

[subodhkangale07]

Description:

• Enhanced the CSS styling of the Login and Registration pages to align with the website's color palette.
• Adjusted fonts, buttons, and input fields to create a more cohesive design with the website’s theme.
• Fixed issues with the header layout to improve user experience, ensuring better accessibility and responsiveness.
• Improved header design by making it more intuitive and easy to navigate.

Related Issues:

• Closes [Feat] Fixed the Navbar of better UX and update the Css of logon and signup that align with website color palltee in dark theme  #585

Type of Changes:

• Bugfix
• Feature
• Documentation
• Refactoring
• Test

Checklist:

• I have read the contributing guidelines
• I have followed the coding style
• My code is tested (if applicable)
• My changes are properly documented (if applicable)
• I have included screenshots (if applicable)

Comments:

• The design changes were made based on the website's color palette and user feedback.
• The header fix should resolve previous alignment issues on mobile and desktop views.

After:

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
med-space	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 6, 2024 3:30pm

[subodhkangale07]

please check my all commits and merge it