Added background color to Navbar

[Shalini22-ui]

I have added a new Background color to Navbar rather then plain white background.

Please merge this request
Solved issue #200

[greptile-apps]

Greptile Summary

This PR addresses issue #200 by changing the navbar background color from white to a purple-blue color (rgb(107, 107, 192)). The change is implemented by modifying the .navbar selector in styles/main.css to include a hardcoded background color.

While the visual enhancement aligns with the issue request to replace the plain white navbar background, the implementation approach doesn't integrate with the existing codebase architecture. The CodeClip application has an established theme system that uses CSS custom properties (like --header-bg defined in themes.css) to support light and dark mode switching. This change bypasses that system entirely by using a hardcoded color value instead of leveraging the existing theming infrastructure.

The application's theme system is designed to provide consistent theming across components, and this change creates a disconnect between the navbar styling and the rest of the application's theme-aware components.

Confidence score: 2/5

• This change will likely cause visual inconsistencies and break the existing theme switching functionality for the navbar
• The hardcoded color approach bypasses the established CSS custom properties system, creating technical debt and potential contrast issues
• The styles/main.css file needs attention to integrate properly with the existing theme system in styles/themes.css

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[greptile-apps]

style: This hardcoded color doesn't integrate with the theme system. The codebase uses CSS custom properties for theming (see themes.css). Consider using background-color: var(--header-bg); and updating the theme variables instead.