64fe8a7f89
- Convert copy button to Input suffix for cleaner UI design - Add responsive grid layout for balance cards and preset amounts - Mobile (< md): single column layout for better readability - Desktop (>= md): multi-column layout for space efficiency - Implement bottom fixed payment panel on mobile devices - Fixed positioning for easy access to payment options - Includes custom amount input and payment method buttons - Auto-hide on desktop to maintain original layout - Improve mobile payment flow with sticky bottom controls - Add proper spacing to prevent content overlap with fixed elements - Maintain consistent functionality across all breakpoints This update significantly improves the mobile user experience by making payment controls easily accessible without scrolling, while preserving the desktop layout and functionality.