Restricts script sources to self and known CDNs, connect sources to
self and Supabase, blocks unauthorized resource loading. Allows
unsafe-inline for styles (CodeMirror requirement) and blob: for
sandboxed preview iframes.
Addresses SEC-5 (HIGH) from security audit.
- Comment out Tailwind nav links in header and sidebar
- Comment out Tailwind card on landing page
- Remove tailwind from router SECTIONS array
- Remove tailwind from landing page progress tracking
Tailwind content and styles remain in codebase for easy re-enabling.
- Add markdown-basics module with lessons for headings, text formatting,
lists, links, and inline code
- Integrate markdown section with blue color theme (#5b8dd9)
- Add markdown mode support in CodeEditor and LessonEngine
- Add markdown preview rendering using marked library
- Add section overview page with educational content
- Add markdown reference page with syntax guide
- Add i18n translations for 6 languages (EN, DE, PL, ES, AR, UK)
- Update router to recognize #markdown as section route
- Add all section-specific CSS styles for markdown theme
- Add computeLessonDifficulty function to determine lesson difficulty
based on selector complexity (easy/medium/hard)
- Display difficulty badge with bar indicator in lesson title row
- Add mobile navigation links (CSS, HTML, Tailwind) to sidebar
- Add mobile auth trigger button in sidebar
- Redesign settings section with card layout and native toggles
- Add difficulty translations for all 6 languages
- Fix module pill overflow on narrow screens
Instead of a separate back button, the Previous button is repurposed
as "Back" in playground mode - same position (left), same style.
Only the Next button is hidden in playground mode.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add back button to game-controls (shown only in playground mode)
- Replace dice img with inline SVG using currentColor for consistent styling
- Add SVG sizing rule to .btn-icon
- Add "back" translation to all 6 languages
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Progress System:
- Replace percentage-based progress with milestone markers (1, 5, 10, 20, 30, 50, 75, 100)
- Add visual milestone indicators with reached/current/next states
- Add celebration animation when milestones are reached
- Update progress bar to show progress toward next milestone
- Add progressTextMilestone i18n key for all 6 languages
New Lessons Activated:
- HTML Dialog (native modal dialogs)
- HTML Progress & Meter (indicator elements)
- HTML Fieldset (form grouping)
- HTML Datalist (autocomplete inputs)
This adds 10 new lessons across all 6 languages, bringing total from ~66 to ~76.
- Add email input field to newsletter signup form
- Add disclaimer about max frequency and unsubscribe option
- Add newsletter translations for all 6 languages (en, de, pl, es, ar, uk)
- Update hero highlight to "Crispy Code"
- Update CTA button to "Let's get crispy!"
- Add Umami tracking for newsletter submissions
- Style newsletter form without white background
- Render footer lesson links in initializeModules() for all pages
- Fix scroll to top using requestAnimationFrame for proper timing
- Move dice button to left of editor tools
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add section-specific CodeMirror syntax highlighting (purple selectors for CSS)
- Logo now uses section colors (CSS purple as default, changes per section)
- Add section color coding for hints
- Add full footer to section and reference pages
- Fix nav highlight updates for sidebar and prev/next navigation
- Change welcome module mode to CSS for purple theme on first lesson
- Rebrand "Code Crispies" to "CODE CRISPIES" across all translations
- Fix scroll to top on section page navigation
- Change HTML section color to raspberry (#c75b7a)
- Add CSS variables for section colors (CSS violet, HTML raspberry, Tailwind cyan)
- Set data-section attribute on body based on current route
- Color code header nav links, logo, reference nav, topic links
- Color code CodeMirror editor cursor/selection
- Color code task instruction bubble
- Add reference page footer
- Section pages, lessons, and references all use matching colors
- Show Coming Soon badge on Tailwind landing card
- Disable Tailwind topic links with Coming Soon badges
- Add i18n translations for Coming Soon in all 6 languages
- Add CSS for disabled states and badge styling
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add extended landing footer with module links grouped by section
- Integrate Liberapay donation widget with Umami tracking
- Add support section to help dialog and goodbye lesson
- Change license from MIT to Unlicense (public domain)
- Disable Tailwind section (not yet activated)
- Update German CTA copy
- Update all 6 language translations for license text
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add dice SVG icon for random template button
- Reset button now restores last loaded template in playground
- Clear editor history when switching lessons (prevents cross-lesson undo)
- Add playground link to goodbye lesson
- Center icon buttons with flexbox
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add translation keys for landing page (hero, benefits, learning paths, CTA)
- Support EN, DE, PL, ES, AR, UK languages
- Add data-i18n attributes to landing page HTML elements
- 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)
- 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
- Add CSS Colors, Typography, Advanced Selectors, and Grid modules
- Remove deprecated HTML Marquee module from all languages
- Remove redundant div & span lesson from HTML Block & Inline
- Move SVG module from HTML to CSS section
- Enhance first lessons with comprehensive explanations:
- Flexbox: historical context, axes concept
- Colors: named colors, background-color explained
- Grid: comparison to Flexbox, key properties
- Swap header logo highlight (CRISPIES instead of CODE)
- Use English fallbacks for new modules in non-EN languages
- Fix test to include 'playground' mode
New path: 19 modules (~78 lessons) vs previous 16 modules (62 lessons)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
- Add dialog to confirm resetting code to initial state
- Allow users to skip confirmation with "don't show again" checkbox
- Save preference to user settings
- Improve i18n and CodeEditor components
- Remove language button from header
- Add language select dropdown in sidebar settings
- Add translations for "Language" label in all languages
- Remove unused .lang-switch CSS
- Remove ! from CRISPY, add spacing to smiley
- Use darker green for better contrast
- Increase font size to 1.3rem
- Remove GitHub link from sidebar (keep only Gitea)
- Hide Run button (live preview is stable)
- Update all references from librete.ch to LibreTECH
- Add context to repo links (Gitea Source, GitHub Mirror)
- Fix welcome lesson redundant text
- Slow down CRISPY animation to 8s
- Remove editor-tools margin-right
