fix: remove merge artifacts and resolve frontend issues

[keerthana266]

Description

This PR fixes multiple frontend issues caused by accidental merge artifacts and a CSS syntax error.

Changes Made

• Removed stray feature/login-auth text from Home.js

  • Fixed ReferenceError: feature is not defined
  • Restored Home page rendering

• Removed stray feature/login-auth text from Profile.js

  • Prevented runtime errors in the Profile page

• Fixed an unclosed CSS block in Navbar.css

  • Resolved CSS parsing/build issues

Testing Performed

• Verified frontend compiles successfully
• Confirmed Home page renders after removing invalid code
• Confirmed Profile page no longer contains invalid JavaScript
• Verified CSS compiles correctly after fixing the missing closing brace

Type of Change

• Bug Fix
• Code Cleanup

Impact

These fixes remove merge-related artifacts that caused frontend runtime failures and CSS compilation issues, improving application stability and usability.

[vercel]

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