Fix roulette wheel visuals and mobile layout

[evanmcfarland]

Summary

• Restore solid color fills for wheel pockets (gradient URLs broke rendering on SVG arcs)
• Fix wheel numbers display - all 37 numbers now visible on desktop and mobile
• Fix mobile layout - SPIN button now accessible by scrolling
• Enhance betting board with premium casino styling

Changes

RouletteWheel.tsx

• Restore getPocketColor() solid fills instead of broken gradient URLs
• Fix text rendering so all numbers display (removed clipping filter)
• Reduce wheel size on mobile from h-[35vh] to h-[28vh]

BettingCell.tsx

• Add gradient backgrounds for premium look
• Enhanced chip badges with casino chip styling
• Subtle texture on outside bet cells

RouletteGame.tsx

• Fix mobile flex layout for proper scrolling
• Compact stats section to save vertical space
• Add duplicate guard for history results
• Reduce recent results display on mobile

Test Plan

• Verify all 37 wheel numbers visible on desktop
• Verify wheel colors (red/black/green) display correctly
• Test mobile layout - SPIN button accessible
• Test betting and spinning functionality
• Deployed and tested on mainnet

Live at: https://pezw3-laaaa-aaaal-qssoa-cai.icp0.io/roulette

🤖 Generated with Claude Code

[claude]

PR Review: Roulette Wheel Visuals and Mobile Layout Fixes

Thank you for this comprehensive UI/UX improvement! I've reviewed the changes and here's my feedback:

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Strengths

1. Excellent Bug Fixes

• Wheel Numbers Display: Fixed the critical rendering issue where numbers weren't visible. The switch from SVG filter-based shadows to duplicate text elements is a solid workaround.
• Mobile Layout: Reducing wheel height and making the betting area scrollable properly addresses the SPIN button accessibility issue.
• Duplicate Prevention: The duplicate guard in handleAnimationComplete is a smart fix.

2. Enhanced Visual Design

• Gradient Backgrounds: The new getBackgroundStyle() function provides premium casino aesthetics.
• ChipBadge Component: Consolidating chip display logic into a reusable component follows DRY principles excellently.
• 3D Depth Effects: The pocket shadows, fret enhancements, and rim bevels add professional polish.

3. Code Quality

• Excellent refactoring of chip badge logic into a single reusable component.
• Uniform approach to gradients and shadows across all betting cells.

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Issues and Concerns

1. Performance - Critical

Issue: The getOutsideBetStyle() function generates complex CSS strings with repeating-linear-gradient on every render.

Impact: These 6 outside bet cells regenerate CSS strings on every component render, which could cause jank during animations.

Recommendation: Move styles outside component or use useMemo to cache computed styles.

2. Text Rendering - Moderate

Issue: Numbers render TWO full text elements per pocket - a shadow and main text.

Impact: 37 pockets × 2 text elements = 74 DOM elements, increased memory footprint.

Recommendation: Consider using a single text element with CSS text-shadow instead.

3. Accessibility - Missing

Issues:

• No ARIA labels on betting cells
• ChipBadge amounts might be too small (9px on mobile)
• Gradient-only backgrounds may have insufficient contrast

Recommendations:

• Add aria-label to betting cells
• Consider minimum font size of 11px for chip badges
• Test color contrast ratios

4. Code Duplication - Minor

getBackgroundStyle() logic could be shared across cell types in a utility file.

5. Type Safety - Minor

The style prop in ChipBadgeProps allows any CSS properties. Consider restricting to only positional properties.

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Security Review

No security concerns identified - proper handling of user input and financial calculations.

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Overall Assessment

Score: 7.5/10

Pros:

• Fixes critical rendering bugs
• Significantly improves mobile UX
• Professional visual polish
• Good code organization

Cons:

• Performance optimization needed for repeated CSS generation
• Doubled text rendering could be optimized
• Missing accessibility features

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Recommendations for Follow-up

1. High Priority: Memoize or pre-compute gradient styles
2. Medium Priority: Add accessibility attributes
3. Low Priority: Consider single-text rendering for wheel numbers

Approval Status: Approve with suggestions

The fixes are essential and the visual improvements are excellent. The performance concerns are minor for the current scale, but should be addressed in a follow-up PR for long-term maintainability.

Great work on the mobile layout fix!

[claude]

Code Review: Roulette Wheel Visual Fixes

Summary: This PR successfully addresses visual rendering issues with the roulette wheel and improves the mobile layout. The changes are well-implemented with good attention to detail.

Positive Aspects

1. Critical Bug Fix - Wheel Rendering

• Issue Resolved: Switching from gradient URLs to solid color fills fixes the rendering problem on SVG arcs
• Implementation: Clean use of the existing getPocketColor function from constants
• Impact: All 37 numbers now display correctly

2. Enhanced Visual Quality

• Text Rendering: Excellent solution using duplicate text for shadows instead of SVG filters
• Prevents clipping issues and maintains better browser compatibility
• Added depth with shadow overlays, bevels, and highlights for professional casino aesthetic

3. Mobile UX Improvements

• Layout Fix: Reduced wheel height from 35vh to 28vh
• Proper flex layout ensures SPIN button is accessible
• Single-line stats save vertical space

4. Code Quality

• Performance: Smart use of useMemo for style calculations
• DRY Principle: ChipBadge component extracted and reused
• Consistency: getBackgroundStyle helper centralizes gradient logic

Issues and Recommendations

1. Potential Bug - Duplicate Prevention Logic

Location: RouletteGame.tsx:270-277

The duplicate prevention logic will also prevent legitimate consecutive identical results (e.g., two 17s in a row). This logic blocks any repeated winning number, not just callback double-fires. If callback double-firing is the real issue, fix it at the source rather than in the results array.

2. Magic Numbers in Styles

Multiple files have hardcoded gradient values like linear-gradient(180deg, #dc2626 0%, #b91c1c 50%, #991b1b 100%). Consider extracting these to constants file or use Tailwind CSS custom gradients for maintainability.

3. Performance Consideration

RouletteWheel.tsx:623-634 - The motion trail rendering uses Array creation on every render when ballSpeed is above 0.1. Consider memoizing this array.

4. Accessibility

Missing ARIA labels and screen reader support for betting cells and wheel states. Consider adding aria-label attributes to interactive elements.

5. Testing Documentation

PR was deployed and tested on mainnet per CLAUDE.md guidelines, but automated tests, visual regression testing, and cross-browser compatibility are not documented. Consider documenting tested browsers/devices in future PRs.

Security Considerations

No security issues identified - all changes are visual-only with no user input handling modifications.

Performance Impact

Positive: useMemo optimization for style objects and pre-computed segment paths remain memoized. Additional SVG elements add minimal overhead that modern browsers handle efficiently.

Final Verdict - APPROVED with minor suggestions

This PR successfully fixes critical rendering issues and enhances the user experience. The code quality is good with thoughtful performance optimizations. Main suggestion is to reconsider the duplicate prevention logic.

Strengths:

• Fixes real user-impacting bugs
• Professional visual enhancements
• Good mobile UX improvements
• Performance-conscious implementation

Minor improvements for future iterations:

• Add accessibility attributes
• Extract magic numbers to constants
• Consider automated visual regression tests

Great work on the detailed testing and deployment!