[BUG] Light Theme not working

[Abhay056]

🐛 Bug Report

📋 Bug Description

Describe the bug
Light Theme is not working

Severity Level

• 🔴 Critical (App crashes, data loss, security issues)
• 🟠 High (Major feature broken, significant UX impact)
• 🟡 Medium (Minor feature issues, workaround available)
• 🟢 Low (Cosmetic issues, minor inconvenience)

As a GSSoC Contributor, I'd like to implement the Light Theme.
Kindly Assign this issue to me.