- Add comprehensive SEO meta tags (Open Graph, Twitter Cards, JSON-LD)
- Restructure landing page with Khan Academy-style "Why It Works" section
- Replace "How It Works" + "Features" with 3 benefit cards:
- Learn by Doing (code icon)
- Practice at Your Pace (progress icon)
- Master Real Skills (tools icon)
- Add "Explore Learning Paths" section with learning tracks
- Implement dynamic meta tag updates for route-based SEO
- Update page title and descriptions based on current route
- Add new CSS styles for benefit cards, learning paths, and enhanced CTA
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add Reference nav link with subtle separator styling
- Update nav highlight to show active state on reference pages
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Remove completion badge and reset Run button text in resetSuccessIndicators()
- Remove lesson from completed array in LessonEngine.reset()
- Update sidebar to remove completed class from lesson item
- Update progress display after reset
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Playground mode was falling through to the CSS branch, wrapping user code
in a <style> tag. This prevented HTML elements and font styles from rendering
correctly. Now playground mode is treated like HTML mode, allowing templates
with <style> blocks and HTML content to work properly.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add font-family: system-ui, sans-serif to all template bodies
- Wrap pricing cards in .pricing flex container
- Wrap animation boxes in .animation-demo flex container
- Wrap flexbox layout in .layout container
- Simplify navigation (fewer links to fit preview)
- Reduce sizes to better fit preview area
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Reduce welcome module from 3 lessons to 1 concise intro
- Reduce goodbye module from 3 lessons to 1 concise outro
- Create standalone playground module at end of module list
- Update all translated welcome files (de, pl, es, ar, uk)
- Playground now appears after goodbye, less prominent
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Use CodeMirror in read-only mode for code examples
- Auto-detect CSS vs HTML based on content
- Clean up views when navigating between sections
- Add transparent background to blend with code-block container
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add side-by-side layout for section pages (text left, code right)
- Include educational content with code examples for CSS, HTML, Tailwind
- Add section overviews explaining each technology
- Make header level pill clickable to return to last lesson
- Update landing page with "How It Works" steps and features section
- Improve code block readability with GitHub-dark color scheme
- Add prominent topic links with SEO-friendly accessible text
- Add responsive grid layout that stacks on mobile
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add share button with SVG link icon in lesson title row
- Create share dialog with copy URL functionality
- Implement URL hash-based routing for lesson navigation
- Support browser back/forward navigation
- Add i18n translations for share dialog in all languages
- Position share button between title and completion badge
- Add RTL support for title row layout
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add lesson indicator pill to header (visible on desktop only)
- Logo stays centered, pill on left with burger menu
- Replace emoji arrows with CSS triangles for iOS compatibility
- Use native <details>/<summary> for expand/collapse
- Update tests for new implementation
