feat: add light/dark theme system and full homepage with comprehensive UI components
Implement theme system:
- Add next-themes for theme management with light mode as default
- Swap CSS variable definitions in globals.css (light in :root, dark in .dark class)
- Create ThemeProvider component wrapping next-themes
- Create ThemeToggle component with sun/moon icons
- Update root layout with ThemeProvider
Build full homepage:
- Add Header component with navigation and theme toggle
- Create hero section with gradient background and search
- Add Featured Tools section with 6 tool cards (icons, badges, usage stats)
- Add Browse by Category section with 12 colored category tiles
- Add Platform Statistics section with 4 metric cards
- Add footer with copyright and links
- Create homePageData.ts with comprehensive mock data
Add Storybook stories:
- Icon.stories.ts (AllIcons, AllSizes, WithColors)
- Badge.stories.ts (Default, AllVariants, AllSizes, WithLongText)
- Input.stories.ts (Default, WithLabel, AllStates, AllSizes, PasswordInput)
- ProgressBar.stories.ts (Default, AllVariants, AllSizes, WithLabel, edge cases)
- CodeBlock.stories.ts (Default, multiple languages, LongCode)
- Tabs.stories.ts (Default, AllSizes, WithCounts, ManyTabs)
Fix production build issues:
- Export IconName type from Icon.ts
- Add sun and moon icons to icons.ts
- Fix Icon prop naming (icon not name)
- Fix Icon size constraints (remove xl, use lg)
- Update ThemeProvider types using ComponentProps
- Add explicit return types where needed
- Remove unused imports
- Replace forEach with for...of in variants system
- Fix template literals in storybook stories
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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