feat: build pool comparison

[yvl4life]

Implementation Summary

🎯 Key Features Implemented:

1. Pool Selection Interface

• Select up to 4 pools from available listings
• Visual indicator showing selection count (0-4)
• Quick preview cards with pool info before comparison
• Clear selection button

2. Side-by-Side Comparison

• Desktop View: Professional table layout with all metrics
• Mobile View: Horizontally scrollable card layout for better UX
• Links to individual pool detail pages

3. Displayed Metrics

• Category (color-coded badges)
• Status (Active/Completed with indicator)
• Goal amount
• Amount raised
• Progress percentage with visual progress bar
• Donor count
• Created date
• Creator information (avatar + truncated address)

4. Sorting & Filtering

• Sort comparison by: Amount Raised, Goal, Progress %, Donors
• Dynamic sorting updates table/cards immediately
• Highlights key differences at bottom

5. Responsive Design

• Mobile: Scrollable comparison cards with all essential info
• Tablet: Adapted table layout
• Desktop: Full-featured side-by-side table
• Touch-friendly controls

6. Key Differences Section

• Highlights highest raised pool
• Shows largest goal
• Identifies highest progress %
• Displays most donors

🔗 UI Integration:

• Added "Compare Pools" button to /workspaces/Nevo/nevo_frontend/app/pools/page.tsx header
• Button styled as secondary variant next to "Create Pool" button
• Easy navigation flow: Browse → Select → Compare

✅ Build Status:

• No errors or warnings
• All components properly typed with TypeScript
• Uses existing Nevo components: Button, Avatar, ProgressBar, EmptyState
• Follows project styling conventions with CSS variables

The comparison feature is now ready and fully functional!

Made changes.

Closes #600

[drips-wave]

@yvl4life Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits