Now let me read the current main page and layout to understand the existing structure:

Now I understand the current structure. Based on the design inspiration and your clarification that the app focuses on medicine sales and diagnostic test booking, let me rebuild this app with a refined, focused design. I'll create a cleaner, more professional healthcare e-commerce experience optimized for mobile.

Now let me rebuild the main page to focus on the two core utilities (medicine sales and test booking):

Now let me replace the pharmacy and diagnostics screens:

Now let me update the cart screen to handle both medicines and tests:

Now let me update the medicine detail and test detail screens, and update the render function at the bottom:

Now let me update the render function and the return JSX to include the test detail screen:

I need to remove the remaining bottom navigation code. Let me check the full end of the file:

Let me delete the extra navigation code that wasn't properly removed:

Now let me verify the file is clean and run a quick check:

Now let me create a todo list to track the work completed and ensure everything is in order:

I've successfully rebuilt your Light-of-Life pharmacy app with a focused, mobile-first design optimized for the two core utilities: medicine sales and diagnostic test booking. Here's what I've created:

Key Improvements:

Design & Branding:

• Updated color palette with healthcare-appropriate blues and greens for trust and credibility
• Modern, clean interface with better visual hierarchy
• Mobile-optimized sticky headers and intuitive navigation

Home Screen:

• Clear hero section with two primary CTAs: Order Medicines and Book Tests
• Quick action banners highlighting key services (same-day delivery, free sample collection)
• Featured products section for easy browsing

Pharmacy Screen:

• Streamlined medicine listing with category filters
• Quick add-to-cart buttons alongside detailed view option
• Clear pricing and prescription indicators
• Responsive grid layout for mobile

Diagnostics Screen:

• 4 diagnostic tests with home collection, results timeline, and instant booking
• Icon-based visual system for easy scanning
• Simplified test booking workflow

Cart System:

• Unified cart supporting both medicines and tests
• Separate sections for clarity
• Real-time total calculation with free delivery messaging
• Quick navigation buttons to shop medicines or book tests

Detail Views:

• Medicine details with availability status and category info
• Test details with benefits (free collection, results timeline) prominently displayed
• Direct add/book buttons leading to cart

The app now has a professional healthcare e-commerce feel optimized for mobile devices with fast load times and intuitive user flows. All screens use semantic design tokens for consistency and are built with accessibility in mind.