- Add relay-url className to relay URL elements
- Override inline nowrap styles on mobile with word-break: break-all
- Allow relay URLs to wrap across multiple lines on mobile
- Prevent horizontal overflow from long relay names like proxy URLs
- Add max-width: 100% and overflow handling to preview content
- Add word-break and overflow-wrap to prevent text overflow
- Make inline settings stack vertically on mobile
- Reduce padding on mobile for settings view
- Make zap preset buttons flex to fit mobile width
- Ensure all setting controls respect viewport width
- Fix preview heading size on mobile
- Add styled preset buttons (Default, Generous, Selfless, Boris)
- Make sliders 100% width with full-width container
- Style active preset button with indigo-500
- Add hover effects to preset buttons and slider thumbs
- Improve slider thumb appearance with rounded design
- Style description box with proper background and borders
- Use Tailwind colors throughout (zinc, indigo)