Version 1.7.3 - Bug Fixes and ConcreteInfo Themes

Fixed critical file opening bug and theme visibility issues, plus added ConcreteInfo branded themes.

Bug Fixes:
• Fixed double-click file opening race condition
  - Removed setTimeout logic from did-finish-load handler
  - Now relies solely on renderer-ready IPC signal for proper initialization
  - Files from Windows Explorer now open correctly on first attempt

• Fixed theme preview text visibility for 14 themes
  - Added proper .pane:last-child background overrides
  - Fixed dark text on dark backgrounds and light text on light backgrounds
  - Affected themes: Dracula, Nord, One Dark, Atom One Light, Material,
    Gruvbox Dark/Light, Tokyo Night, Palenight, Ayu Dark/Light/Mirage,
    Oceanic Next, Cobalt2

New Features:
• Added 3 ConcreteInfo branded themes
  - Concrete Dark: Very dark theme with orange accents
  - Concrete Light: Light theme with orange accents
  - Concrete Warm: Mid-tone gray theme with orange accents
  - All themes use ConcreteInfo brand colors: #0d0b09, #464646, #9a9696, #e3e3e3, #e5461f

• Updated theme count from 19 to 22 themes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/settings.local.json

@@ -0,0 +1,33 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(git checkout:*)",
+      "Bash(npm install)",
+      "Bash(npm run build:*)",
+      "Bash(rmdir:*)",
+      "Bash(powershell:*)",
+      "Bash(npx electron-builder:*)",
+      "Bash(dir dist)",
+      "Bash(git tag:*)",
+      "Bash(git push:*)",
+      "Bash(gh release create:*)",
+      "Bash(gh auth:*)",
+      "Bash(gh release delete:*)",
+      "Bash(gh release list:*)",
+      "Bash(gh release upload:*)",
+      "Bash(npm install:*)",
+      "Bash(npm uninstall:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)",
+      "Bash(npm start)",
+      "Read(//h/**)",
+      "Bash(cd:*)",
+      "Bash(npm run build:win-unsigned:*)",
+      "Bash(dir:*)",
+      "Bash(git merge:*)",
+      "Bash(timeout:*)",
+      "Bash(findstr:*)"
+    ],
+    "deny": []
+  }
+}

.continue/mcpServers/new-mcp-server.yaml

@@ -0,0 +1,10 @@
+name: New MCP server
+version: 0.0.1
+schema: v1
+mcpServers:
+  - name: New MCP server
+    command: npx
+    args:
+      - -y
+      - <your-mcp-server>
+    env: {}

.gitignore

@@ -16,21 +16,3 @@ out/
 .npm/
 .electron/
 package-lock.json
-
-# Screenshots and temp files
-*.png.bak
-Screen.png
-dark.png
-light.png
-pdf.png
-uvmodal.png
-nul
-*.tmp
-
-# Development screenshots
-pdf\ modal.png
-
-# Claude/AI development files
-.claude/
-CLAUDE.md
-agents.mdcoverage/

.prettierrc

@@ -1,11 +0,0 @@
-{
-  "semi": true,
-  "singleQuote": true,
-  "tabWidth": 2,
-  "useTabs": false,
-  "trailingComma": "es5",
-  "bracketSpacing": true,
-  "arrowParens": "always",
-  "printWidth": 100,
-  "endOfLine": "auto"
-}

CLAUDE.md

@@ -0,0 +1,603 @@
+# PanConverter - Claude Development Guide
+
+## Project Overview
+
+**PanConverter** is a cross-platform Markdown editor and converter powered by Pandoc, built with Electron. It provides professional-grade editing capabilities with comprehensive export options.
+
+**Current Version**: v1.7.2
+**Author**: Amit Haridas (amit.wh@gmail.com)
+**License**: MIT
+**Repository**: https://github.com/amitwh/pan-converter
+
+## Architecture & Technology Stack
+
+### Core Technologies
+- **Electron** - Cross-platform desktop application framework
+- **Pandoc** - Universal document converter (required system dependency)
+- **ConvertAPI** - Cloud-based file conversion (200+ formats)
+- **marked** - Markdown parsing and rendering
+- **highlight.js** - Syntax highlighting
+- **KaTeX** - Mathematical expression rendering
+- **DOMPurify** - HTML sanitization
+
+### Application Structure
+```
+src/
+├── main.js            # Electron main process, menu system, IPC handlers
+├── renderer.js        # TabManager class, multi-file editing, event handling
+├── index.html         # Application layout with tabbed interface
+├── styles.css         # Base styling with multi-theme support
+└── styles-modern.css  # Modern glassmorphism UI design system (v1.7.1)
+
+assets/
+└── icon.png       # Application icon
+
+package.json       # Dependencies and build configuration
+CLAUDE.md          # Development documentation for AI assistants
+```
+
+## Development Commands
+
+### Prerequisites
+```bash
+# Install Node.js dependencies
+npm install
+
+# Install Pandoc (required for export functionality)
+# Ubuntu/Debian:
+sudo apt-get install pandoc
+
+# macOS:
+brew install pandoc
+
+# Windows: Download from https://pandoc.org/installing.html
+```
+
+### Running the Application
+```bash
+# Start development server
+npm start
+
+# Start with debugging
+npm start --enable-logging
+```
+
+### Building & Packaging
+
+```bash
+# Generate application icons
+npm run generate-icons
+
+# Build for current platform
+npm run build
+
+# Platform-specific builds
+npm run build:win      # Windows
+npm run build:mac      # macOS
+npm run build:linux    # Linux (AppImage, .deb, .snap)
+
+# Build for all platforms
+npm run dist:all
+```
+
+### Git Branch Management
+```bash
+# Switch to platform-specific branches
+git checkout linux    # Linux development
+git checkout macos     # macOS development  
+git checkout windows   # Windows development
+git checkout master    # Main development branch
+
+# Update all branches with latest changes
+git checkout master
+git push origin master
+git checkout linux && git merge master && git push origin linux
+git checkout macos && git merge master && git push origin macos
+git checkout windows && git merge master && git push origin windows
+```
+
+### Release Management
+```bash
+# Create and push release tag
+git tag v1.2.1 -m "Release message"
+git push origin v1.2.1
+
+# Create GitHub release with packages
+gh release create v1.2.1 --title "Title" --notes "Release notes" \
+  "dist/PanConverter-1.2.1.AppImage" \
+  "dist/pan-converter_1.2.1_amd64.deb" \
+  "dist/pan-converter_1.2.1_amd64.snap"
+```
+
+## Feature Implementation Guide
+
+### v1.7.2 Enhanced Themes & Bug Fixes (Latest)
+
+#### 🎨 14 New Beautiful Themes
+**Expanded Theme Collection** (`src/main.js:242-266`, `src/styles.css:1590-2555`)
+- **Added 14 new professionally-designed themes** bringing the total to 19 themes
+- **New Themes Include**:
+  - **Dracula** - Popular purple and pink dark theme
+  - **Nord** - Arctic-inspired blue theme
+  - **One Dark** - Atom's iconic dark theme
+  - **Atom One Light** - Clean, bright light theme
+  - **Material** - Google Material Design inspired
+  - **Gruvbox Dark** - Warm retro groove colors (dark)
+  - **Gruvbox Light** - Warm retro groove colors (light)
+  - **Tokyo Night** - Modern Japanese-inspired dark theme
+  - **Palenight** - Soft purple Material Design variant
+  - **Ayu Dark** - Simple, elegant dark theme
+  - **Ayu Light** - Minimalist light theme
+  - **Ayu Mirage** - Balanced dark-light hybrid
+  - **Oceanic Next** - Ocean-inspired teal and blue
+  - **Cobalt2** - Deep blue with yellow accents
+
+**Technical Implementation:**
+- Complete CSS styling for all UI elements per theme
+- Consistent theming across tabs, toolbar, editor, preview, and status bar
+- Theme-aware color schemes for syntax highlighting
+- All themes support glassmorphism effects from v1.7.1
+
+#### 🐛 Undo/Redo Fix
+**Fixed Menu Integration** (`src/renderer.js:1107-1118`)
+- Fixed undo/redo menu items not connecting to custom undo/redo functionality
+- Added IPC event listeners in renderer to receive 'undo' and 'redo' messages
+- Connected Edit menu commands to TabManager's undo() and redo() methods
+- Keyboard shortcuts (Ctrl+Z, Ctrl+Shift+Z) now work correctly with custom undo stack
+
+### v1.7.1 Modern UI Design
+
+#### 🎨 Glassmorphism & Gradient UI
+**Modern Design System** (`src/styles-modern.css`, `src/index.html:7-11`)
+- **Glassmorphism Effects** - Translucent backgrounds with backdrop-filter blur
+- **Animated Gradient Background** - Purple-blue gradient that shifts colors dynamically
+- **CSS Custom Properties** - Centralized theming with CSS variables
+- **Modern Typography** - Inter font family for UI, JetBrains Mono for code
+- **Smooth Animations** - CSS transitions with cubic-bezier easing
+- **Enhanced Hover Effects** - Interactive elements with scale and transform effects
+- **Custom Scrollbars** - Styled scrollbars matching the modern aesthetic
+- **Progress Bars** - Shimmer animations and gradient fills
+
+**Design Features:**
+- Animated gradient background (15-second color shift loop)
+- Glass-effect tabs with blur and semi-transparency
+- Gradient-based buttons with hover/active states
+- Modern card-based dialogs with rounded corners
+- Enhanced typography with gradient text for headings
+- Ripple-like hover effects on interactive elements
+- Theme variables for consistent colors and spacing
+- Shadow effects with proper depth perception
+
+**Technical Implementation:**
+- Created comprehensive `styles-modern.css` file (780+ lines)
+- Google Fonts integration (Inter, JetBrains Mono)
+- CSS Grid and Flexbox for modern layouts
+- backdrop-filter for glassmorphism (with fallbacks)
+- CSS animations with @keyframes
+- RGB/RGBA color system with opacity control
+- CSS custom properties for easy theming
+
+### v1.7.0 PDF Editor & Universal Converter
+
+#### 📄 Comprehensive PDF Editor
+**Complete PDF Manipulation Suite** (`src/main.js:1566-2068`, `src/index.html:552-921`, `src/renderer.js:1951-2429`)
+- **Merge PDFs** - Combine multiple PDF files into a single document
+- **Split PDF** - Split PDFs by page ranges, intervals, or file size
+- **Compress PDF** - Reduce PDF file size with optimization
+- **Rotate Pages** - Rotate specific pages or entire documents (90°, 180°, 270°)
+- **Delete Pages** - Remove unwanted pages from PDFs
+- **Reorder Pages** - Rearrange pages in any order
+- **Add Watermark** - Text watermarks with customizable position, size, color, opacity
+- **Password Protection** - Encrypt PDFs with user and owner passwords
+- **Remove Password** - Decrypt password-protected PDFs
+- **Set Permissions** - Control printing, copying, modifying, and other document permissions
+
+**Technical Implementation:**
+- Uses `pdf-lib` (v1.17.1) for all PDF operations
+- Full async/await implementation for optimal performance
+- Comprehensive error handling and user feedback
+- Progress indicators for long-running operations
+- Page range parsing (e.g., "1-5, 7, 9-12")
+- RGB color conversion for watermarks
+- Support for encrypted PDFs
+
+**Watermark Features:**
+- Multiple positioning options (center, diagonal, corners, top/bottom)
+- Customizable font size (8-144px)
+- Adjustable opacity (0-100%)
+- Color picker for text color
+- Apply to all pages or custom page ranges
+
+**Security Features:**
+- 128-bit and 256-bit encryption support
+- User password (required to open PDF)
+- Owner password (required to modify permissions)
+- Granular permission controls:
+  - Allow/deny printing (high/low resolution)
+  - Allow/deny content modification
+  - Allow/deny content copying
+  - Allow/deny annotations
+  - Allow/deny form filling
+  - Allow/deny accessibility features
+  - Allow/deny document assembly
+  - Allow/deny high-quality printing
+
+#### 🔄 Universal File Converter
+**Open-Source Multi-Tool Converter** (`src/main.js:446-600`, `src/index.html:257-483`, `src/renderer.js:1372-1940`)
+- **LibreOffice** - Document conversions (DOCX, PDF, ODT, RTF, TXT, HTML, XLSX, PPTX)
+- **ImageMagick** - Image format conversions (JPG, PNG, GIF, TIFF, WebP, SVG, etc.)
+- **FFmpeg** - Video and audio conversions (MP4, AVI, MOV, MP3, WAV, etc.)
+- **Pandoc** - Document markup conversions (Markdown, HTML, LaTeX, EPUB, etc.)
+
+**Features:**
+- Single file and batch folder conversion
+- Tool-specific advanced options:
+  - ImageMagick: Quality, DPI, resize, compression type
+  - FFmpeg: Video/audio codecs, bitrate, preset, framerate
+  - LibreOffice: Export quality, page range, bookmarks
+- Automatic tool detection and availability checking
+- Recursive folder processing
+- 100% offline and open-source
+- No API keys required
+
+### v1.6.1 Bug Fixes
+
+#### 🐛 File Association Rendering Fix
+**Fixed Double-Click File Loading** (`src/main.js:1364-1379`)
+- Fixed critical issue where files opened via double-click weren't rendering
+- Added proper wait for renderer load state before sending file data
+- Implemented `did-finish-load` event listener to prevent race conditions
+- Files now render correctly when opened from Windows Explorer
+
+### v1.6.0 Enhanced Markdown Editor & ConvertAPI Integration
+
+#### ✨ Complete Markdown Toolbar
+**Additional Formatting Buttons** (`src/index.html:78-98`, `src/renderer.js:596-723`)
+- **Strikethrough** button - Wraps text with `~~strikethrough~~`
+- **Code Block** button - Inserts fenced code blocks with triple backticks
+- **Horizontal Rule** button - Adds section divider with `---`
+- Complete suite of markdown formatting tools now available
+
+#### 🔍 Fixed Find & Replace
+**Focus and Highlighting Improvements** (`src/renderer.js:725-870`)
+- Fixed focus issue - dialog no longer loses focus while typing
+- Visual highlighting with text selection showing current match
+- Smart auto-scroll to display matches prominently
+- Real-time match counting: "Match X of Y"
+- Replace single match or replace all functionality
+- Enter/Shift+Enter keyboard navigation
+
+#### 📏 Fixed Line Numbers
+**Line Counting and Synchronization** (`src/renderer.js:337-355`)
+- Fixed bug using `'\\n'` instead of `'\n'` for line splitting
+- Added scroll synchronization between line numbers and editor
+- Line numbers update correctly as you type
+- Smooth scrolling keeps line numbers aligned
+
+#### ☁️ ConvertAPI Cloud Integration
+**200+ Format Cloud Conversion** (`src/main.js:370-416`, `src/index.html:257-307`, `src/renderer.js:1540-1603`)
+- New **ConvertAPI menu** with cloud-based file conversion
+- Support for 200+ file formats: MD, DOCX, PDF, HTML, JPG, PNG, EPUB, ODT
+- Secure API key storage in localStorage for reuse
+- Real-time conversion status and progress tracking
+- Free tier: 250 conversions per month
+- Professional conversion dialog with format selection
+- Get API key at: https://www.convertapi.com
+
+**Technical Implementation:**
+- Installed `convertapi` npm package (v1.15.0)
+- IPC handlers for cloud conversion workflow
+- Error handling and user feedback dialogs
+- Async/await pattern for conversion operations
+
+### v1.5.0 Enhanced Features & Open Source Compatibility
+
+#### 🔧 Export Function Fixes & Optional Advanced Options
+**Export Dialog Enhancement** (`src/index.html:125-133`, `src/renderer.js:960-985`)
+- Fixed export function issues after advanced export options integration
+- Added optional advanced export options via checkbox toggle (unchecked by default)
+- Basic export options always visible, advanced options hidden until enabled
+- Clean UI separation between simple and advanced export workflows
+
+#### 🏗️ Open Source Compatibility & Dependency Removal
+**Removed Proprietary Dependencies** (`src/main.js:430-450`, `package.json:32-37`)
+- Removed bundled Pandoc binaries - now requires system-installed Pandoc
+- Replaced proprietary XLSX dependency with open-source CSV export
+- Removed non-essential bundled binaries to ensure open-source compatibility
+- Updated export functions to use system Pandoc installation
+
+#### ✨ Advanced User Experience Features
+**Auto-Save System** (`src/renderer.js:445-484`)
+- Automatic saving every 30 seconds with visual indicators
+- Smooth slide-in animation for auto-save notifications
+- Prevents data loss during extended editing sessions
+- Integrated with file opening and tab creation workflows
+
+**Enhanced Document Statistics** (`src/renderer.js:385-444`)
+- Comprehensive statistics: words, characters, lines, paragraphs, sentences
+- Estimated reading time calculation (200 words per minute)
+- Real-time updates as user types
+- Professional presentation in status bar
+
+**Recent Files Management** (`src/main.js:69-114`, `src/renderer.js:487-512`)
+- Recent files menu with last 10 opened files
+- Persistent storage via localStorage and user data directory
+- Menu integration with File > Recent Files submenu
+- Clear recent files functionality with menu rebuild
+
+**Mathematical Expression Support** (`src/renderer.js:1099-1130`, `src/renderer.js:292-306`)
+- KaTeX integration for rendering mathematical expressions
+- Support for multiple delimiters: $$, $, \\[\\], \\(\\)
+- Real-time math rendering in preview pane
+- Fallback handling for missing KaTeX library
+
+### v1.4.0 Advanced Export & Batch Processing
+
+#### 🔧 Fixed File Association Support
+**File Loading Fix** (`src/main.js:385-390`, `src/renderer.js:485-486`)
+- Fixed timing issue with file association loading
+- Added proper `renderer-ready` event to ensure TabManager is initialized
+- Files now open correctly when double-clicked or opened via right-click menu
+- Command-line file arguments are properly handled on startup
+
+#### 🎛️ Advanced Export Options Dialog
+**Template & Metadata Support** (`src/main.js:247-357`, `src/index.html:117-212`)
+- Comprehensive export options dialog with professional UI
+- Template selection (default or custom template files)
+- Metadata fields (title, author, date, subject) with dynamic field addition
+- Document options: Table of Contents, section numbering, citations
+- PDF-specific options: Engine selection (XeLaTeX, PDFLaTeX, LuaLaTeX), custom margins
+- Bibliography support: .bib, .yaml, .json files with CSL styling
+- All export formats now use enhanced options dialog
+
+#### 📁 Batch File Conversion System
+**Multi-File Processing** (`src/main.js:179-186`, `src/main.js:559-690`)
+- New "Batch" menu for converting entire folders
+- Recursive folder processing with progress tracking
+- Support for all export formats with advanced options
+- Real-time progress bar and file-by-file status updates
+- Maintains folder structure in output directory
+- Error handling with completion statistics
+
+#### 🎨 Enhanced UI Components
+**Dialog System** (`src/styles.css:838-1361`)
+- Professional modal dialogs with backdrop and animations
+- Theme-aware styling for all new components
+- Responsive layouts with proper accessibility
+- Form validation and user feedback systems
+- Progress indicators for long-running operations
+
+### v1.3.x Tabbed Interface & Enhanced Features
+
+#### 🗂️ Tabbed Multi-File Support (v1.3.0)
+**TabManager Class** (`src/renderer.js`)
+- Complete tab management system for multiple files
+- Tab switching, creation, and closure
+- State preservation per tab (content, cursor position, scroll)
+- File path tracking for each tab
+- Keyboard shortcuts: `Ctrl/Cmd+T` (new tab), `Ctrl/Cmd+W` (close tab)
+
+#### 🎯 Enhanced PDF Export (v1.3.0)
+**Multi-Engine Fallback System** (`src/main.js:239-280`)
+- Primary: XeLaTeX with proper margins
+- Fallback 1: PDFLaTeX
+- Fallback 2: wkhtmltopdf
+- Automatic engine detection and switching
+
+#### 📁 File Association Support (v1.3.1)
+**OS Integration** (`src/main.js:452-498`, `package.json:50-65`)
+- Double-click .md files to open in PanConverter
+- Command-line argument handling
+- Pending file queue for startup loading
+
+#### 🎨 Typography & Spacing (v1.3.2-1.3.3)
+**Preview Enhancement** (`src/styles.css`)
+- Restored ideal text spacing from v1.0
+- Font sizes increased to 15px for better readability
+- Comprehensive selector coverage for legacy and new containers
+- Theme-aware typography for all content types
+
+### v1.2.1 Comprehensive Editor Enhancements
+
+#### ✨ Advanced Editor Features
+
+**Find & Replace System** (`src/renderer.js:200-350`)
+- Dialog-based interface with match highlighting
+- Forward/backward navigation through matches
+- Replace single or replace all functionality
+- Real-time match counting and status display
+- Escape key closes dialog
+
+**Line Numbers** (`src/renderer.js:450-500`, `src/styles.css:517-598`)
+- Toggle-able line numbers with toolbar button
+- Synchronized scrolling with editor content
+- Theme-aware styling for all supported themes
+- Dynamic line number generation based on content
+
+**Undo/Redo System** (`src/renderer.js:100-150`)
+- Stack-based state management for editor history
+- Keyboard shortcuts: `Ctrl/Cmd+Z` (undo), `Ctrl/Cmd+Shift+Z` (redo)
+- Intelligent state saving on text changes
+- Memory-efficient history management
+
+**Smart Auto-Indentation** (`src/renderer.js:350-400`)
+- Automatic list continuation on Enter key
+- Proper indentation handling for nested lists
+- Support for ordered and unordered lists
+- Intelligent whitespace management
+
+**Enhanced Keyboard Shortcuts** (`src/renderer.js:400-450`)
+- `Tab`/`Shift+Tab` for line indentation/outdentation
+- `Enter` for auto-continuing lists
+- `Ctrl/Cmd+F` for find & replace dialog
+- `Escape` for closing dialogs
+
+**Word/Character Count** (`src/renderer.js:500-530`)
+- Live counting displayed in status bar
+- Updates automatically as content changes
+- Word and character statistics
+
+#### 📤 Export & Conversion Features
+
+**PowerPoint Export** (`src/main.js:330-350`)
+- Convert markdown to PPTX presentations
+- Automatic slide-level formatting (`--slide-level=2`)
+- Smart presentation structure handling
+
+**Spreadsheet Export** (`src/main.js:370-457`)
+- Export markdown tables to Excel (XLSX/XLS) and ODS formats
+- Multi-table support with separate worksheets
+- Automatic table detection and parsing
+- Error handling for files without tables
+
+**Document Import** (`src/main.js:280-315`)
+- Import DOCX, ODT, RTF, HTML, PDF, PPTX, ODP files
+- Automatic conversion to markdown format
+- File dialog with appropriate filters
+- Success notifications and error handling
+
+**Table Creation Helper** (`src/renderer.js:600-650`)
+- Built-in table generator with row/column specification
+- Automatic markdown table formatting
+- Proper header separation and alignment
+
+#### 🎨 Interface & Theming
+
+**Multi-Theme Support** (`src/styles.css:214-598`)
+- Light, Dark, Solarized, Monokai, GitHub themes
+- Complete theming for all UI components
+- Theme-aware styling for new features (find dialog, line numbers)
+- Persistent theme selection with local storage
+
+**Enhanced UI Components** (`src/index.html:94-108`)
+- Find & replace dialog with modern styling
+- Toolbar buttons for all new features
+- Status bar with live statistics
+- Responsive layout with proper spacing
+
+## File Structure & Key Components
+
+### Main Process (`src/main.js`)
+- **Menu System**: Comprehensive menu with file operations, editing, conversion, view options, batch processing
+- **IPC Handlers**: Communication between main and renderer processes
+- **File Operations**: Open, save, import/export functionality with file association support
+- **Export System**: Advanced export with templates, metadata, and Pandoc integration
+- **Batch Processing**: Multi-file conversion with progress tracking and error handling
+- **Theme Management**: Persistent theme storage and application
+- **Spreadsheet Export**: Table extraction and XLSX generation
+- **About Dialog**: Application information and feature list
+
+### Renderer Process (`src/renderer.js`)
+- **Editor Initialization**: CodeMirror-like functionality with custom implementation
+- **TabManager System**: Multi-file editing with state management
+- **Find & Replace Engine**: Search algorithms with regex support
+- **Undo/Redo Manager**: History stack management
+- **Auto-indentation Logic**: Smart list continuation
+- **Live Preview**: Real-time markdown rendering with DOMPurify
+- **Export Dialog Management**: Advanced options collection and validation
+- **Batch Conversion Interface**: Folder selection, progress tracking, and user feedback
+- **Event Handling**: Keyboard shortcuts and UI interactions
+- **Statistics Tracking**: Word/character counting
+
+### Styling (`src/styles.css`)
+- **Base Styles**: Application layout and typography
+- **Component Styles**: Toolbar, editor, preview, dialogs
+- **Theme Implementations**: Complete styling for all themes
+- **Responsive Design**: Flexible layouts and proper spacing
+- **Animation Support**: Smooth transitions and hover effects
+
+### HTML Structure (`src/index.html`)
+- **Toolbar**: Feature buttons with SVG icons
+- **Tab Bar**: Multi-file navigation with close buttons
+- **Find Dialog**: Search and replace interface
+- **Export Options Dialog**: Advanced export configuration with templates and metadata
+- **Batch Conversion Dialog**: Folder selection and conversion progress
+- **Editor Container**: Line numbers and text editor with tab content management
+- **Preview Pane**: Rendered markdown display
+- **Status Bar**: Statistics and application status
+
+## Testing & Quality Assurance
+
+### Manual Testing Checklist
+- [ ] All keyboard shortcuts work correctly
+- [ ] Find & replace functions properly with edge cases
+- [ ] Line numbers sync correctly with content
+- [ ] Undo/redo preserves cursor position
+- [ ] Auto-indentation works with various list types
+- [ ] File association loading (double-click .md files)
+- [ ] Export options dialog with templates and metadata
+- [ ] Batch conversion with progress tracking
+- [ ] All themes render correctly for new components
+- [ ] Export functions work with various document formats
+- [ ] Table creation and export functionality
+- [ ] Cross-platform compatibility
+
+### Known Issues & Limitations
+- AppImage may require `--no-sandbox` flag on some Linux systems
+- Large files (>1MB) may cause performance issues
+- Windows/Mac builds require platform-specific environments
+- Pandoc must be installed separately for export functionality
+
+## Deployment & Distribution
+
+### Release Packages
+- **Linux AppImage**: Universal Linux package (self-contained)
+- **Debian Package**: `.deb` for Ubuntu/Debian systems
+- **Snap Package**: Universal Linux package via Snap Store
+- **Future**: Windows `.exe` and macOS `.dmg` packages
+
+### Release Process
+1. Update version in `package.json`, `src/main.js`, and `README.md`
+2. Commit changes and push to all platform branches
+3. Build platform-specific packages
+4. Create Git tag and GitHub release
+5. Upload packages to GitHub release
+6. Update documentation and announce release
+
+## Contributing Guidelines
+
+### Code Style
+- Use consistent indentation (2 spaces)
+- Follow JavaScript ES6+ standards
+- Comment complex functionality
+- Maintain separation between main and renderer processes
+- Use descriptive variable and function names
+
+### Adding New Features
+1. Plan feature implementation and UI integration
+2. Update relevant files (main.js, renderer.js, styles.css)
+3. Test across all supported themes
+4. Update documentation and README
+5. Test on multiple platforms if possible
+6. Submit pull request with detailed description
+
+### Bug Reporting
+- Include steps to reproduce
+- Specify platform and version information
+- Attach relevant screenshots or error logs
+- Check existing issues before creating new ones
+
+## Future Roadmap
+
+### Planned Features
+- [ ] Collaborative editing capabilities
+- [ ] Plugin system for extensions
+- [ ] Advanced markdown extensions (math, diagrams)
+- [ ] Cloud synchronization options
+- [ ] Mobile companion app
+- [ ] Advanced export templates
+- [ ] Spell check and grammar checking
+- [ ] Version control integration
+
+### Technical Improvements
+- [ ] Performance optimization for large files
+- [ ] Memory usage optimization
+- [ ] Startup time improvements
+- [ ] Better error handling and user feedback
+- [ ] Automated testing suite
+- [ ] Continuous integration/deployment
+
+---
+
+**Last Updated**: October 11, 2025
+**Claude Assistant**: Development completed for v1.7.2 with 14 new professionally-designed themes (Dracula, Nord, Tokyo Night, Gruvbox, Ayu, Material, Oceanic Next, Palenight, Cobalt2, and more) bringing total to 19 themes, plus fixed undo/redo menu integration for proper keyboard shortcut support.

PUSH_INSTRUCTIONS.md

@@ -1,12 +1,95 @@
-# Test Double-Click File Opening
+# Push Instructions for Pan Converter
 
-This is a test file to verify double-click functionality.
+## Prerequisites
+1. Create a new repository on GitHub: https://github.com/new
+   - Repository name: `pan-converter`
+   - Keep it empty (no README, .gitignore, or license)
+   - Make it public or private as desired
 
-## Features to Test
-- File should load automatically
-- Content should display in editor
-- Tab should show filename
-- Preview should render markdown
+2. Set up authentication:
+   - **Option A - SSH Key** (Recommended):
+     ```bash
+     # Check if you have SSH key
+     ls -la ~/.ssh/id_rsa.pub
      
-**This text should be bold**
-*This text should be italic*
+     # If not, generate one:
+     ssh-keygen -t rsa -b 4096 -C "your_email@example.com"
+     
+     # Add to GitHub: Settings > SSH and GPG keys > New SSH key
+     cat ~/.ssh/id_rsa.pub
+     ```
+   
+   - **Option B - Personal Access Token**:
+     - Go to GitHub Settings > Developer settings > Personal access tokens
+     - Generate new token with 'repo' scope
+     - Save the token securely
+
+## Push Commands
+
+### Using SSH (Recommended)
+```bash
+# Set SSH remote
+git remote set-url origin git@github.com:amitwh/pan-converter.git
+
+# Push all branches
+git push -u origin master
+git push origin linux
+git push origin macos
+git push origin windows
+```
+
+### Using HTTPS with Token
+```bash
+# Set HTTPS remote
+git remote set-url origin https://github.com/amitwh/pan-converter.git
+
+# Push all branches (you'll be prompted for username and token)
+git push -u origin master
+git push origin linux
+git push origin macos
+git push origin windows
+
+# When prompted:
+# Username: amitwh
+# Password: [paste your Personal Access Token]
+```
+
+### Using GitHub CLI (if installed)
+```bash
+# Login to GitHub CLI
+gh auth login
+
+# Create repo and push
+gh repo create pan-converter --public --source=. --remote=origin --push
+```
+
+## Automated Script
+```bash
+# Run the provided script
+./push-to-github.sh
+```
+
+## Verify Success
+After pushing, verify at: https://github.com/amitwh/pan-converter
+
+You should see:
+- 4 branches (master, linux, macos, windows)
+- All project files
+- Complete commit history
+
+## Troubleshooting
+
+### Authentication Failed
+- For SSH: Ensure your SSH key is added to GitHub
+- For HTTPS: Use Personal Access Token, not password
+- Check token has 'repo' scope
+
+### Repository Not Found
+- Ensure repository exists on GitHub
+- Check spelling: `pan-converter`
+- Verify you're logged into the correct GitHub account
+
+### Permission Denied
+- Check repository ownership
+- Ensure you have write access
+- Verify authentication method is correct

README.md

@@ -1,156 +1,160 @@
-# MarkdownConverter
+# PanConverter
 
-A powerful cross-platform Markdown editor and document converter powered by Pandoc, built with Electron. 100% open-source with no proprietary dependencies.
+A cross-platform Markdown editor and converter powered by Pandoc.
+
+![PanConverter](assets/icon.png)
 
 ## Features
 
-### Markdown Editor
-<img width="1920" height="1032" alt="image" src="https://github.com/user-attachments/assets/5f53ba94-7663-47c3-b12b-b7b8bd2645aa" />
-- **Multi-tab editing** - Work on multiple files simultaneously
-- **Live preview** - Real-time markdown rendering with syntax highlighting
-- **Dynamic splitter** - Drag to resize editor and preview panes
-- **25+ themes** - Light and dark themes including Atom One Light, Dracula, Nord, Sepia, and more
-- **Find & Replace** - Search and replace with regex support
-- **Line numbers** - Toggle line numbers in the editor
-- **Auto-save** - Automatic saving every 30 seconds
-- **Math support** - KaTeX integration for mathematical expressions
+### ✨ Advanced Markdown Editor
+- 🗂️ **Tabbed Interface** - Work with multiple files simultaneously in separate tabs
+- 📝 **Rich Text Editor** - Full-featured editor with syntax highlighting and comprehensive toolbar
+- 🔍 **Find & Replace** - Powerful search and replace with match highlighting and navigation
+- 🔢 **Line Numbers** - Toggle line numbers for easier code editing and navigation
+- ↩️ **Smart Auto-Indentation** - Automatic list continuation and intelligent indentation
+- ⏪ **Undo/Redo** - Full undo/redo support with keyboard shortcuts
+- ⌨️ **Advanced Shortcuts** - Tab indentation, line selection, and smart text formatting
+- 📂 **File Association Support** - Open markdown files directly from file manager
 
-### PDF Viewer & Editor
-<img width="1920" height="1032" alt="image" src="https://github.com/user-attachments/assets/f10f62be-af3d-496e-81df-37ab4f91abfd" />
+### 🎨 Themes & Interface
+- 👁️ **Live Preview** - See your markdown rendered in real-time with synchronized scrolling
+- 🎨 **Multiple Themes** - Choose from Light, Dark, Solarized, Monokai, or GitHub themes
+- 💾 **Auto-Save** - Never lose your work with automatic saving every 30 seconds
+- 📊 **Enhanced Statistics** - Detailed document statistics including word count, character count, lines, paragraphs, sentences, and estimated reading time
+- 🕒 **Recent Files** - Quick access to recently opened files via File menu
+- 🧮 **Math Support** - Render mathematical expressions using KaTeX (supports $$, $, \\[\\], \\(\\) delimiters)
 
-- **Built-in PDF viewer** - Open and view PDF files directly in the app
-- **Page navigation** - Navigate pages with keyboard or buttons
-- **Zoom controls** - Zoom in/out, fit to width, fit to page
-- **Rotation** - Rotate pages left or right
-- **PDF Editor tools**:
-  - Merge multiple PDFs
-  - Split PDFs by page range
-  - Compress PDFs
-  - Rotate pages
-  - Delete pages
-  - Reorder pages
-  - Add watermarks
-  - Password protection
-  - Remove passwords
-  - Set permissions
+### 📤 Export & Conversion
+- 📄 **Enhanced PDF Export** - Robust PDF generation with multiple LaTeX engine fallbacks (XeLaTeX, PDFLaTeX, wkhtmltopdf)
+- 📄 **Document Export** - Convert to HTML, DOCX, LaTeX, RTF, ODT, EPUB, PowerPoint (PPTX), and OpenDocument Presentation (ODP)
+- 📊 **Spreadsheet Export** - Export markdown tables to CSV format for compatibility with any spreadsheet application
+- 📥 **Document Import** - Import DOCX, ODT, RTF, HTML, PDF, and presentation files to markdown
+- 📋 **Table Creation Helper** - Built-in table generator for easy markdown table creation
 
-### Export Options
-- **PDF** - Export to PDF with customizable page sizes and orientation
-- **DOCX** - Standard and Enhanced (template-based) Word export
-- **ODT** - OpenDocument format
-- **HTML** - Web-ready HTML export
-- **PowerPoint** - PPTX presentation export
-- **EPUB** - E-book format
-- **LaTeX** - Academic document format
-- **RTF** - Rich Text Format
-
-### Advanced Features
-- **Custom headers & footers** - Add headers/footers to exports with dynamic fields
-- **Page size configuration** - A3, A4, A5, B4, B5, Letter, Legal, Tabloid, or custom sizes
-- **Batch conversion** - Convert entire folders of markdown files
-- **ASCII Art Generator** - Create text banners and diagrams
-- **Word templates** - Use custom Word templates for enhanced exports
-- **Import documents** - Import from 30+ formats (DOCX, PDF, HTML, etc.)
+### 🖥️ Platform Support
+- **Cross-Platform** - Works seamlessly on Windows, macOS, and Linux
 
 ## Installation
 
 ### Prerequisites
-- [Node.js](https://nodejs.org/) (v16 or later)
-- [Pandoc](https://pandoc.org/installing.html) (required for export functionality)
+- [Pandoc](https://pandoc.org/installing.html) must be installed for export functionality
+  - **Ubuntu/Debian**: `sudo apt-get install pandoc`
+  - **macOS**: `brew install pandoc`
+  - **Windows**: Download installer from Pandoc website
 
-### Install Dependencies
+### PDF Export Requirements
+For optimal PDF export, install a LaTeX engine (recommended):
+- **Ubuntu/Debian**: `sudo apt-get install texlive-xetex texlive-latex-base`
+- **macOS**: `brew install --cask mactex`
+- **Windows**: Install MiKTeX or TeX Live
+- **Alternative**: `sudo apt-get install wkhtmltopdf` (fallback option)
+
+### Download
+Download the latest release for your platform from the [Releases](https://github.com/amitwh/pan-converter/releases) page.
+
+#### Linux
+- **AppImage**: `PanConverter-1.5.0.AppImage` (universal, may require `--no-sandbox` flag)
+- **Debian Package**: `pan-converter_1.5.6_amd64.deb`
+- **Snap Package**: `pan-converter_1.5.6_amd64.snap`
+
+### Install from Source
 ```bash
+git clone https://github.com/amitwh/pan-converter.git
+cd pan-converter
 npm install
-```
-
-### Run the Application
-```bash
 npm start
 ```
 
-### Build for Distribution
-```bash
-# Windows
-npm run build:win
+## Usage
 
-# macOS
-npm run build:mac
+### Basic Workflow
+1. **Write** - Use the editor to write your Markdown content
+2. **Preview** - Toggle the preview pane to see rendered output
+3. **Theme** - Choose your preferred theme from the View menu
+4. **Export** - Export your document to various formats
 
-# Linux
-npm run build:linux
-```
+### Export Options
+- **Documents**: HTML, PDF, DOCX, LaTeX, RTF, ODT, EPUB
+- **Presentations**: PowerPoint (PPTX), OpenDocument Presentation (ODP)
+- **Spreadsheets**: CSV format for tables (compatible with Excel, LibreOffice, Google Sheets)
+- **Advanced Export Options**: Optional template support, metadata insertion, table of contents, section numbering, and PDF-specific settings
+- **Batch Conversion**: Convert entire folders of markdown files with progress tracking
+
+### Import & Conversion
+- **Import Documents**: Convert DOCX, ODT, RTF, HTML, PDF, and presentation files to Markdown
+- **Cross-Format Conversion**: Convert current file between multiple formats
+- **Smart Presentation Handling**: Automatic slide-level formatting for PPTX/ODP exports
+
+### Table Creation
+- Click the table button in the toolbar
+- Specify number of rows and columns
+- Automatically generates properly formatted Markdown tables
 
 ## Keyboard Shortcuts
 
-| Action | Shortcut |
-|--------|----------|
-| New File | Ctrl+N |
-| Open File | Ctrl+O |
-| Open PDF | Ctrl+Shift+O |
-| Save | Ctrl+S |
-| Save As | Ctrl+Shift+S |
-| Export | Ctrl+E |
-| Print | Ctrl+P |
-| Find | Ctrl+F |
-| Undo | Ctrl+Z |
-| Redo | Ctrl+Shift+Z |
-| New Tab | Ctrl+T |
-| Close Tab | Ctrl+W |
-| Toggle Preview | Ctrl+Shift+P |
-| Zoom In | Ctrl+Shift++ |
-| Zoom Out | Ctrl+Shift+- |
+### File Operations
+- `Ctrl/Cmd + N` - New file/tab
+- `Ctrl/Cmd + T` - New tab
+- `Ctrl/Cmd + W` - Close current tab
+- `Ctrl/Cmd + Tab` - Switch to next tab
+- `Ctrl/Cmd + O` - Open file
+- `Ctrl/Cmd + S` - Save file
+- `Ctrl/Cmd + Shift + S` - Save as
+- `Ctrl/Cmd + I` - Import document
 
-## Themes
+### Editor Features
+- `Ctrl/Cmd + F` - Find & Replace
+- `Ctrl/Cmd + Z` - Undo
+- `Ctrl/Cmd + Shift + Z` - Redo
+- `Tab` - Indent lines or insert 4 spaces
+- `Shift + Tab` - Outdent selected lines
+- `Enter` - Auto-continue lists with proper indentation
 
-### Light Themes
-- Atom One Light (Default)
-- GitHub Light
-- Light
-- Solarized Light
-- Gruvbox Light
-- Ayu Light
-- Sepia
-- Paper
-- Rose Pine Dawn
-- Concrete Light
+### View & Navigation
+- `Ctrl/Cmd + P` - Toggle preview
+- `Ctrl/Cmd + Enter` - Toggle preview (alternative)
+- `Escape` - Close find dialog
 
-### Dark Themes
-- Dark
-- One Dark
-- Dracula
-- Nord
-- Monokai
-- Material
-- Gruvbox Dark
-- Tokyo Night
-- Palenight
-- Ayu Dark
-- Ayu Mirage
-- Oceanic Next
-- Cobalt2
-- Concrete Dark
-- Concrete Warm
+## Building
 
-## PDF Viewer
+```bash
+# Install dependencies
+npm install
 
-Open PDF files directly in MarkdownConverter:
-- **File > Open PDF** or **Ctrl+Shift+O**
-- Navigate pages with arrow buttons or page input
-- Zoom controls: +/- buttons, Fit Width, Fit Page
-- Rotate pages left or right
-- Close PDF to return to editor
+# Generate icons
+npm run generate-icons
 
-## Open Source
+# Build for current platform
+npm run build
 
-MarkdownConverter is 100% open-source. All dependencies are permissively licensed:
-- **Electron** - MIT License
-- **pdf-lib** - MIT License
-- **pdfjs-dist** - Apache 2.0 License
-- **marked** - MIT License
-- **highlight.js** - BSD 3-Clause License
-- **dompurify** - Apache 2.0/MIT License
-- **docx** - MIT License
-- **xlsx** - Apache 2.0 License (SheetJS Community Edition)
+# Build for specific platform
+npm run build:win    # Windows
+npm run build:mac    # macOS  
+npm run build:linux  # Linux (generates .deb, .AppImage, and .snap)
+
+# Build for all platforms
+npm run dist:all
+```
+
+## Version History
+
+- **v1.5.6** - (Your release notes here)
+- **v1.5.5** - Refactored PDF export, simplified Pandoc pathing, and removed XLSX dependency.
+- **v1.3.1** - Bug fixes: Fixed file associations for double-clicking .md files, corrected 50/50 layout alignment for editor/preview panes
+- **v1.3.0** - Major update: Tabbed interface for multiple files, enhanced PDF export with LaTeX engines, fixed file associations, removed redundant converter menu, improved UI architecture
+- **v1.2.1** - Comprehensive editor enhancements: Find & Replace, Line Numbers, Undo/Redo, Auto-indentation, PowerPoint export, document conversion menu, table creation helper, spreadsheet export
+- **v1.1.0** - Added Excel/ODS spreadsheet export, updated author information, renamed to PanConverter
+- **v1.0.0** - Initial release with basic markdown editing, themes, and Pandoc export
+
+## Known Issues
+
+- AppImage may require `--no-sandbox` flag on some Linux systems
+- Windows/Mac builds require platform-specific build environments
+- Large files may cause performance issues
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request to the [GitHub repository](https://github.com/amitwh/pan-converter).
 
 ## License
 
@@ -158,8 +162,13 @@ MIT License - see LICENSE file for details.
 
 ## Author
 
-Amit Haridas (amit.wh@gmail.com)
+**Amit Haridas** - [amit.wh@gmail.com](mailto:amit.wh@gmail.com)
 
-## Version
+## Acknowledgments
 
-v3.0.0
+- Built with [Electron](https://www.electronjs.org/)
+- Markdown parsing by [marked](https://marked.js.org/)
+- Export functionality powered by [Pandoc](https://pandoc.org/)
+- Syntax highlighting by [highlight.js](https://highlightjs.org/)
+- Spreadsheet export by [XLSX](https://www.npmjs.com/package/xlsx)
+- HTML sanitization by [DOMPurify](https://www.npmjs.com/package/dompurify)

UPDATES.md

@@ -1,217 +0,0 @@
-# PanConverter - Updates & Changelog
-
-## Version 4.0.0 (2026-03-04)
-
-### Major Changes
-- **CodeMirror 6 Editor** — Replaced textarea with CodeMirror 6 featuring syntax highlighting, code folding, bracket matching, multiple cursors, and auto-indent
-- **Sidebar Panel System** — Collapsible sidebar with File Explorer, Git, Snippets, and Templates panels
-- **Command Palette** — Ctrl+Shift+P to search and execute all app actions
-- **Code Execution (REPL)** — Run JavaScript, Python, and Bash code blocks directly from the preview
-
-### New Features
-- Print Preview dialog with paper size, orientation, margins, scale, and page range controls
-- Image paste from clipboard and drag-drop support with auto-save to assets folder
-- Document templates library (10 templates: blog post, meeting notes, tech spec, changelog, README, project plan, API docs, tutorial, release notes, comparison)
-- Markdown extensions: footnotes, admonitions (note/warning/tip/danger/info), and [[toc]] table of contents
-- PlantUML diagram rendering alongside Mermaid
-- Welcome tab with onboarding and "What's New" feature showcase
-- System spell checking with context menu suggestions and dictionary support
-- Enhanced status bar with word count, character count, line/column, encoding, and language mode
-- Grouped toolbar with visual section separators
-- Breadcrumb bar showing current file path
-
-### New Export/Import Formats
-- Reveal.js slides (.html)
-- Beamer slides (.pdf)
-- Confluence/Jira wiki markup (.txt)
-- MOBI e-books (via Calibre)
-- Developer formats: JSON, YAML, XML, TOML
-
-### Security
-- Content Security Policy (CSP) meta tag
-- File size validation (50MB limit)
-- Error message sanitization (stripped file paths)
-- Conversion rate limiting (2-second debounce)
-
-### Dependencies Updated
-- marked: 16.x to 17.x (with marked-highlight extension)
-- pdfjs-dist: 3.x to 5.x (new worker model)
-- html2pdf.js: 0.10 to 0.14
-- pdfkit: 0.14 to 0.17
-- dompurify, docx, and others updated to latest
-
-### Testing
-- 80 tests across 7 test suites
-- New tests for sidebar manager, command palette, print preview, markdown extensions, and utility functions
-
-### Breaking Changes
-- Editor is now CodeMirror 6 (replaces textarea)
-- marked API changed to use marked.use() instead of marked.setOptions()
-- pdfjs-dist upgraded to v5 with new worker model
-
----
-
-## Version 2.1.0 (December 14, 2025)
-
-### 🎨 UI/UX Improvements
-
-#### Subtle & Small Preview Popout Button
-- Redesigned popout button with minimalist aesthetic
-- Removed border for cleaner appearance
-- Reduced size: 11px font, 2px×6px padding (previously 14px font, 4px×8px padding)
-- Added opacity transition: 50% when idle, 100% on hover
-- Subtle background effect on hover instead of heavy border styling
-- **File**: `src/styles.css:195-211`
-
-#### Simplified Table Headers in Preview
-- Removed gradient background from table headers in modern theme
-- Changed from `var(--primary-gradient)` (purple gradient) to simple light gray (#f0f0f0)
-- Updated text color to dark (#333333) for better readability
-- Clean, professional appearance matching standard themes
-- **File**: `src/styles-modern.css:445-449`
-
-### 📥 Enhanced Import Capabilities
-
-#### Comprehensive Format-to-Markdown Conversion
-Dramatically expanded the "Import Document" feature to support 30+ file formats:
-
-**Supported Formats:**
-- **Documents**: DOCX, ODT, RTF, HTML, HTM, TEX, EPUB, PDF, TXT
-- **Presentations**: PPTX, ODP
-- **Markup Languages**: RST, Textile, MediaWiki, Org-mode, AsciiDoc, TWiki, OPML
-- **E-book Formats**: EPUB, FB2
-- **LaTeX Formats**: TEX, LATEX, LTX
-- **Web Formats**: HTML, HTM, XHTML
-- **Wiki Formats**: MediaWiki, DokuWiki, TikiWiki, TWiki
-- **Data Formats**: CSV, TSV, JSON
-
-**Format-Specific Optimizations:**
-- PDF text extraction with XeLaTeX engine
-- CSV/TSV automatic table conversion
-- JSON structure handling
-- Improved error messages with format hints
-
-**Access**: File → Import Document (Ctrl+I)
-**File**: `src/main.js:1933-1994`
-
-### 🎨 Exhaustive ASCII Art Generator
-
-#### 5 New Text Banner Styles
-Complete alphabet (A-Z) and numbers (0-9) support for all styles:
-
-1. **Standard** - Classic ASCII art with slashes and underscores
-2. **Banner** - Large format using # characters (7-line height)
-3. **Block** - Modern Unicode block characters (█ ╔ ╗ ═ ║)
-4. **Bubble** - Circular bubble letters (Ⓐ Ⓑ Ⓒ)
-5. **Digital** - Digital display style (▄ ▀ ▐ ▌)
-
-**File**: `src/renderer.js:3397-3537`
-
-#### 19 Professional ASCII Templates
-Organized into 4 categories with expanded options:
-
-**Arrows & Flow (4 templates):**
-- Arrow Right - Horizontal flow indicators
-- Arrow Down - Vertical flow indicators
-- Decision - Binary decision diagrams
-- Process Flow - Multi-step process visualization
-
-**Diagrams & Charts (6 templates):**
-- Flowchart - Advanced flowchart with decision branches and loops
-- Sequence - Sequence diagrams for User-System-Database interactions
-- Network - Server-client network topology
-- Hierarchy - Organizational tree structures
-- Timeline - Milestone visualization with dates
-- Table Simple - Basic table template with borders
-
-**Boxes & Containers (4 templates):**
-- Header - Section header with decorative borders
-- Note Box - Important notes with rounded corners (┏━━┓)
-- Warning Box - Warning messages with bold borders (╔═══╗)
-- Info Box - Information boxes with subtle styling (╭───╮)
-
-**Decorative Elements (6 templates):**
-- Divider - Horizontal section separator (═══)
-- Separator Fancy - Elegant rounded divider
-- Brackets - Japanese-style brackets 【 】
-- Banner Stars - Star-bordered banners
-- Checklist - Task lists with ✓ checkmarks
-- Progress Bar - Visual progress indicators
-
-**Features:**
-- All ASCII art automatically wrapped in code blocks for proper rendering
-- Preserved formatting in markdown preview and all export formats
-- Categorized template selection interface
-- Real-time preview generation
-
-**Access**: Tools → ASCII Art Generator
-**Files**: `src/renderer.js:3513-3671`, `src/index.html:427-466`
-
-### 📝 Technical Improvements
-
-- Enhanced ASCII art detection in Word template exporter
-- Improved monospace font rendering across all export formats
-- Better code block preservation in PDF and Word exports
-- Optimized template categorization and organization
-
-### 🔧 Files Modified
-
-- `src/styles.css` - Preview popout button styling
-- `src/styles-modern.css` - Table header simplification
-- `src/main.js` - Enhanced import function, version update
-- `src/renderer.js` - ASCII art generator enhancements
-- `src/index.html` - ASCII template UI organization
-- `package.json` - Version bump to 2.1.0
-
----
-
-## Version 2.0.0 (Previous Release)
-
-### Major Features
-- Export Profiles - Save and reuse export configurations
-- Mermaid.js diagram support
-- Command Palette (Ctrl+Shift+P)
-- GitHub Light/Dark preview themes
-- Table Generator
-- ASCII Art Generator (basic)
-- Resizable Preview Pane
-- Pop-out Preview Window
-- Configurable page sizes (A3-A5, B4-B5, Letter, Legal, Tabloid, Custom)
-- Custom Headers & Footers for exports
-- Enhanced PDF and Word export with templates
-- 22 beautiful themes
-
-### Core Capabilities
-- Cross-platform markdown editor with live preview
-- Universal document conversion (30+ formats)
-- PDF Editor (merge, split, compress, rotate, watermark, encrypt)
-- Batch file conversion
-- File association support
-- Advanced export options
-- Multi-tab interface
-
----
-
-## Installation & Usage
-
-### Prerequisites
-- **Pandoc** - Required for document conversion
-- **Optional**: LibreOffice, ImageMagick, FFmpeg for universal converter
-
-### Download
-Get the latest release from: https://github.com/amitwh/pan-converter/releases
-
-### Supported Platforms
-- Windows (x64)
-- Linux (AppImage, .deb, .snap)
-- macOS (planned)
-
----
-
-## Contributing
-
-Contributions are welcome! Please see [CLAUDE.md](CLAUDE.md) for development guidelines.
-
-**Author**: Amit Haridas (amit.wh@gmail.com)
-**License**: MIT
-**Repository**: https://github.com/amitwh/pan-converter

assets/icon.svg

@@ -0,0 +1,8 @@
+<svg width="256" height="256" viewBox="0 0 256 256" xmlns="http://www.w3.org/2000/svg">
+  <rect width="256" height="256" rx="32" fill="#4A90E2"/>
+  <g transform="translate(40, 40)">
+    <path d="M20 40 L20 136 L80 136 L80 100 L56 100 L56 76 L80 76 L80 40 Z" fill="white" opacity="0.9"/>
+    <path d="M96 40 L96 136 L156 136 L156 100 L132 100 L132 88 L156 88 L156 52 L132 52 L132 40 Z" fill="white" opacity="0.9"/>
+  </g>
+  <text x="128" y="200" font-family="Arial, sans-serif" font-size="24" font-weight="bold" text-anchor="middle" fill="white">PAN</text>
+</svg>

eslint.config.js

@@ -1,111 +0,0 @@
-/**
- * ESLint Configuration for PanConverter
- * Uses flat config format (ESLint 9+)
- */
-
-module.exports = [
-  {
-    // Global ignores
-    ignores: [
-      'node_modules/**',
-      'dist/**',
-      'coverage/**',
-      '*.min.js'
-    ]
-  },
-  {
-    // JavaScript files
-    files: ['**/*.js'],
-    languageOptions: {
-      ecmaVersion: 2022,
-      sourceType: 'module',
-      globals: {
-        // Node.js
-        require: 'readonly',
-        module: 'readonly',
-        exports: 'readonly',
-        __dirname: 'readonly',
-        __filename: 'readonly',
-        process: 'readonly',
-        Buffer: 'readonly',
-        console: 'readonly',
-        setTimeout: 'readonly',
-        setInterval: 'readonly',
-        clearTimeout: 'readonly',
-        clearInterval: 'readonly',
-        // Browser
-        window: 'readonly',
-        document: 'readonly',
-        localStorage: 'readonly',
-        alert: 'readonly',
-        prompt: 'readonly',
-        confirm: 'readonly',
-        Event: 'readonly',
-        CustomEvent: 'readonly',
-        HTMLElement: 'readonly',
-        MutationObserver: 'readonly',
-        TextEncoder: 'readonly',
-        FileReader: 'readonly',
-        requestAnimationFrame: 'readonly',
-        cancelAnimationFrame: 'readonly',
-        navigator: 'readonly',
-        location: 'readonly',
-        fetch: 'readonly',
-        URL: 'readonly',
-        Blob: 'readonly',
-        Image: 'readonly',
-        DragEvent: 'readonly',
-        ClipboardEvent: 'readonly',
-        KeyboardEvent: 'readonly',
-        MouseEvent: 'readonly',
-        NodeList: 'readonly',
-        HTMLInputElement: 'readonly',
-        HTMLTextAreaElement: 'readonly',
-        getComputedStyle: 'readonly',
-        // Electron
-        electronAPI: 'readonly',
-        // Libraries
-        marked: 'readonly',
-        DOMPurify: 'readonly',
-        hljs: 'readonly',
-        mermaid: 'readonly',
-        // Node.js global object
-        global: 'writable',
-        // Jest
-        jest: 'readonly',
-        describe: 'readonly',
-        test: 'readonly',
-        expect: 'readonly',
-        beforeEach: 'readonly',
-        afterEach: 'readonly',
-        beforeAll: 'readonly',
-        afterAll: 'readonly'
-      }
-    },
-    rules: {
-      // Error prevention
-      'no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
-      'no-undef': 'error',
-      'no-console': 'off', // Allow console for Electron apps
-
-      // Code quality
-      'eqeqeq': ['warn', 'always'],
-      'no-var': 'warn',
-      'prefer-const': 'warn',
-
-      // Style (handled by Prettier)
-      'semi': 'off',
-      'quotes': 'off',
-      'indent': 'off',
-
-      // Async handling
-      'no-async-promise-executor': 'warn',
-      'require-await': 'off',
-
-      // Security
-      'no-eval': 'error',
-      'no-implied-eval': 'error',
-      'no-new-func': 'error'
-    }
-  }
-];

jest.config.js

@@ -1,61 +0,0 @@
-/**
- * Jest Configuration for PanConverter
- * @version 2.2.0
- */
-
-module.exports = {
-  // Test environment
-  testEnvironment: 'jsdom',
-
-  // Root directory
-  rootDir: '.',
-
-  // Test file patterns
-  testMatch: [
-    '**/tests/**/*.test.js',
-    '**/tests/**/*.spec.js'
-  ],
-
-  // Coverage configuration
-  collectCoverageFrom: [
-    'src/**/*.js',
-    '!src/main.js', // Main process needs electron-mock
-    '!src/renderer.js', // Large renderer file with duplicate declarations
-    '!src/preload.js', // Electron preload requires contextBridge
-    '!**/node_modules/**'
-  ],
-
-  // Coverage thresholds (raised with expanded test suite)
-  coverageThreshold: {
-    global: {
-      branches: 10,
-      functions: 15,
-      lines: 15,
-      statements: 15
-    }
-  },
-
-  // Transform settings (no transpilation needed for vanilla JS)
-  transform: {},
-
-  // Module paths
-  moduleDirectories: ['node_modules', 'src'],
-
-  // Setup files
-  setupFilesAfterEnv: ['<rootDir>/tests/setup.js'],
-
-  // Ignore patterns
-  testPathIgnorePatterns: [
-    '/node_modules/',
-    '/dist/'
-  ],
-
-  // Verbose output
-  verbose: true,
-
-  // Clear mocks between tests
-  clearMocks: true,
-
-  // Reset modules between tests
-  resetModules: true
-};

package.json

@@ -1,20 +1,13 @@
 {
-  "name": "markdown-converter",
-  "version": "4.0.0",
-  "description": "Professional Markdown editor and universal file converter with PDF editing, batch processing, and syntax highlighting",
+  "name": "pan-converter",
+  "version": "1.7.3",
+  "description": "Cross-platform Markdown editor and converter using Pandoc",
   "main": "src/main.js",
   "scripts": {
     "start": "electron .",
-    "test": "jest",
-    "test:watch": "jest --watch",
-    "test:coverage": "jest --coverage",
-    "lint": "eslint src tests",
-    "lint:fix": "eslint src tests --fix",
-    "format": "prettier --write src tests",
-    "format:check": "prettier --check src tests",
+    "test": "echo \"Error: no test specified\" && exit 1",
     "build": "electron-builder",
-    "build:win": "electron-builder --win",
-    "build:win-signed": "cross-env CSC_LINK=code-signing-cert.pfx CSC_KEY_PASSWORD=%CSC_KEY_PASSWORD% electron-builder --win",
+    "build:win": "cross-env CSC_LINK=code-signing-cert.pfx CSC_KEY_PASSWORD=PanConverter2024! electron-builder --win",
     "build:win-unsigned": "cross-env CSC_IDENTITY_AUTO_DISCOVERY=false electron-builder --win",
     "build:mac": "electron-builder --mac",
     "build:linux": "electron-builder --linux",
@@ -26,69 +19,29 @@
     "markdown",
     "pandoc",
     "converter",
-    "editor",
-    "pdf",
-    "audio",
-    "video",
-    "image"
+    "editor"
   ],
-  "author": "ConcreteInfo <amit.wh@gmail.com>",
+  "author": "Amit Haridas <amit.wh@gmail.com>",
   "license": "MIT",
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/amitwh/markdown-converter"
-  },
   "devDependencies": {
-    "@testing-library/dom": "^10.4.1",
     "cross-env": "^10.0.0",
     "electron": "^37.4.0",
     "electron-builder": "^26.0.12",
-    "eslint": "^9.39.2",
-    "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-prettier": "^5.5.4",
-    "jest": "^30.2.0",
-    "jest-environment-jsdom": "^30.2.0",
-    "prettier": "^3.7.4",
     "sharp": "^0.34.3"
   },
   "dependencies": {
-    "@codemirror/autocomplete": "^6.20.1",
-    "@codemirror/commands": "^6.10.2",
-    "@codemirror/lang-css": "^6.3.1",
-    "@codemirror/lang-html": "^6.4.11",
-    "@codemirror/lang-javascript": "^6.2.5",
-    "@codemirror/lang-json": "^6.0.2",
-    "@codemirror/lang-markdown": "^6.5.0",
-    "@codemirror/lang-python": "^6.2.1",
-    "@codemirror/language": "^6.12.2",
-    "@codemirror/lint": "^6.9.5",
-    "@codemirror/search": "^6.6.0",
-    "@codemirror/state": "^6.5.4",
-    "@codemirror/theme-one-dark": "^6.1.3",
-    "@codemirror/view": "^6.39.16",
     "codemirror": "^6.0.2",
-    "core-util-is": "^1.0.3",
-    "docx": "^9.6.0",
-    "docx4js": "^3.3.0",
-    "dompurify": "^3.3.1",
+    "dompurify": "^3.2.6",
     "electron-store": "^10.1.0",
     "highlight.js": "^11.11.1",
-    "html2pdf.js": "^0.14.0",
-    "marked": "^17.0.3",
-    "marked-footnote": "^1.4.0",
-    "marked-highlight": "^2.2.3",
-    "mermaid": "^11.12.3",
+    "marked": "^16.2.1",
     "pdf-lib": "^1.17.1",
-    "pdfjs-dist": "^5.5.207",
-    "pdfkit": "^0.17.2",
-    "pizzip": "^3.2.0",
-    "simple-git": "^3.32.3",
     "tslib": "^2.8.1",
     "xlsx": "^0.18.5"
   },
   "build": {
-    "appId": "com.concreteinfo.markdownconverter",
-    "productName": "MarkdownConverter",
+    "appId": "com.panconverter.app",
+    "productName": "PanConverter",
     "directories": {
       "output": "dist"
     },
@@ -114,18 +67,10 @@
         "description": "Markdown Document",
         "mimeType": "text/markdown",
         "role": "Editor"
-      },
-      {
-        "ext": "pdf",
-        "name": "PDF Document",
-        "description": "PDF Document",
-        "mimeType": "application/pdf",
-        "role": "Editor"
       }
     ],
     "mac": {
-      "category": "public.app-category.productivity",
-      "identity": null
+      "category": "public.app-category.productivity"
     },
     "win": {
       "target": [
@@ -159,7 +104,7 @@
       "displayLanguageSelector": true,
       "createDesktopShortcut": true,
       "createStartMenuShortcut": true,
-      "shortcutName": "MarkdownConverter",
+      "shortcutName": "PanConverter",
       "runAfterFinish": true,
       "menuCategory": "Productivity",
       "license": "LICENSE",
@@ -172,29 +117,16 @@
       "target": [
         "deb",
         "AppImage",
-        "snap",
-        "rpm"
+        "snap"
       ],
-      "category": "Utility",
-      "maintainer": "ConcreteInfo <amit.wh@gmail.com>"
+      "category": "Utility"
     },
     "deb": {
       "depends": [
-        "pandoc",
-        "ffmpeg",
-        "imagemagick",
-        "libreoffice-common"
+        "pandoc"
       ],
-      "description": "Professional Markdown editor and universal file converter",
-      "maintainer": "ConcreteInfo <amit.wh@gmail.com>"
-    },
-    "rpm": {
-      "depends": [
-        "pandoc",
-        "ffmpeg",
-        "ImageMagick",
-        "libreoffice-core"
-      ]
+      "description": "Markdown editor and converter using Pandoc",
+      "maintainer": "Amit Haridas <amit.wh@gmail.com>"
     }
   }
 }

scripts/generate-icons.js

@@ -1,82 +1,43 @@
-/**
- * Icon Generator for MarkdownConverter
- * Generates all required icon sizes from NewIcon.jpg
- */
-
 const sharp = require('sharp');
 const fs = require('fs');
 const path = require('path');
 
-// Source image
-const sourceImage = path.join(__dirname, '..', 'assets', 'docico1.png');
-const assetsDir = path.join(__dirname, '..', 'assets');
+const sizes = {
+    'icon.png': 512,
+    'icon@2x.png': 1024,
+    'icon.ico': 256,
+    'icon.icns': 512
+};
 
-// Icon sizes needed for different platforms
-const iconSizes = [16, 24, 32, 48, 64, 128, 256, 512, 1024];
+const svgPath = path.join(__dirname, '..', 'assets', 'icon.svg');
+const svgBuffer = fs.readFileSync(svgPath);
 
 async function generateIcons() {
-  console.log('Generating icons from docico1.png...');
+    for (const [filename, size] of Object.entries(sizes)) {
+        const outputPath = path.join(__dirname, '..', 'assets', filename);
         
-  // Check if source exists
-  if (!fs.existsSync(sourceImage)) {
-    console.error('Source image not found:', sourceImage);
-    process.exit(1);
-  }
-
-  try {
-    // Generate main icon.png (512x512)
-    await sharp(sourceImage)
-      .resize(512, 512, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 0 } })
-      .png()
-      .toFile(path.join(assetsDir, 'icon.png'));
-    console.log('Generated icon.png (512x512)');
-
-    // Generate icon@2x.png (1024x1024)
-    await sharp(sourceImage)
-      .resize(1024, 1024, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 0 } })
-      .png()
-      .toFile(path.join(assetsDir, 'icon@2x.png'));
-    console.log('Generated icon@2x.png (1024x1024)');
-
-    // Create icons directory for multi-size icons
-    const iconsDir = path.join(assetsDir, 'icons');
-    if (!fs.existsSync(iconsDir)) {
-      fs.mkdirSync(iconsDir, { recursive: true });
+        if (filename.endsWith('.png')) {
+            await sharp(svgBuffer)
+                .resize(size, size)
+                .png()
+                .toFile(outputPath);
+            console.log(`Generated ${filename}`);
+        } else if (filename.endsWith('.ico')) {
+            // For ICO, we'll just use the PNG version
+            await sharp(svgBuffer)
+                .resize(size, size)
+                .png()
+                .toFile(outputPath.replace('.ico', '.png'));
+            console.log(`Generated ${filename.replace('.ico', '.png')} (use png2ico to convert)`);
+        } else if (filename.endsWith('.icns')) {
+            // For ICNS, we'll just use the PNG version
+            await sharp(svgBuffer)
+                .resize(size, size)
+                .png()
+                .toFile(outputPath.replace('.icns', '.png'));
+            console.log(`Generated ${filename.replace('.icns', '.png')} (use png2icns to convert)`);
+        }
     }
-
-    // Generate all sizes
-    for (const size of iconSizes) {
-      await sharp(sourceImage)
-        .resize(size, size, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 0 } })
-        .png()
-        .toFile(path.join(iconsDir, `${size}x${size}.png`));
-      console.log(`Generated icons/${size}x${size}.png`);
-    }
-
-    // Generate favicon
-    await sharp(sourceImage)
-      .resize(32, 32, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 0 } })
-      .png()
-      .toFile(path.join(assetsDir, 'favicon.png'));
-    console.log('Generated favicon.png (32x32)');
-
-    // Generate tray icon (smaller, for system tray)
-    await sharp(sourceImage)
-      .resize(24, 24, { fit: 'contain', background: { r: 255, g: 255, b: 255, alpha: 0 } })
-      .png()
-      .toFile(path.join(assetsDir, 'tray-icon.png'));
-    console.log('Generated tray-icon.png (24x24)');
-
-    console.log('\nIcon generation complete!');
-    console.log('\nFor Windows .ico file, use an online converter or:');
-    console.log('  magick convert assets/icons/*.png assets/icon.ico');
-    console.log('\nFor macOS .icns file, use:');
-    console.log('  iconutil -c icns assets/icon.iconset -o assets/icon.icns');
-
-  } catch (error) {
-    console.error('Error generating icons:', error);
-    process.exit(1);
-  }
 }
 
-generateIcons();
+generateIcons().catch(console.error);

src/ascii-generator.html

@@ -1,601 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>ASCII Art Generator - MarkdownConverter</title>
-    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
-    <style>
-        :root {
-            --ci-dark-gray: #464646;
-            --ci-medium-gray: #9a9696;
-            --ci-accent: #e5461f;
-            --ci-light-gray: #e3e3e3;
-            --ci-black: #0d0b09;
-            --ci-white: #ffffff;
-            --ci-bg: #f5f5f5;
-        }
-
-        * {
-            margin: 0;
-            padding: 0;
-            box-sizing: border-box;
-        }
-
-        body {
-            font-family: 'Inter', system-ui, sans-serif;
-            background: var(--ci-bg);
-            color: var(--ci-dark-gray);
-            min-height: 100vh;
-        }
-
-        .header {
-            background: linear-gradient(135deg, var(--ci-dark-gray) 0%, var(--ci-black) 100%);
-            padding: 16px 24px;
-            border-bottom: 3px solid var(--ci-accent);
-            display: flex;
-            align-items: center;
-            justify-content: space-between;
-        }
-
-        .header h1 {
-            color: var(--ci-white);
-            font-size: 1.25rem;
-            font-weight: 600;
-        }
-
-        .container {
-            padding: 24px;
-            max-width: 100%;
-        }
-
-        .section {
-            background: var(--ci-white);
-            border-radius: 12px;
-            padding: 20px;
-            margin-bottom: 20px;
-            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
-        }
-
-        .section-title {
-            font-weight: 600;
-            margin-bottom: 16px;
-            color: var(--ci-dark-gray);
-            font-size: 0.95rem;
-        }
-
-        .mode-tabs {
-            display: flex;
-            gap: 8px;
-            margin-bottom: 20px;
-        }
-
-        .mode-tab {
-            padding: 10px 20px;
-            border: 2px solid var(--ci-light-gray);
-            background: var(--ci-white);
-            border-radius: 8px;
-            font-size: 0.875rem;
-            font-weight: 500;
-            cursor: pointer;
-            transition: all 0.2s;
-        }
-
-        .mode-tab:hover {
-            border-color: var(--ci-accent);
-        }
-
-        .mode-tab.active {
-            background: var(--ci-accent);
-            border-color: var(--ci-accent);
-            color: var(--ci-white);
-        }
-
-        .form-group {
-            margin-bottom: 16px;
-        }
-
-        .form-label {
-            display: block;
-            font-size: 0.875rem;
-            font-weight: 500;
-            margin-bottom: 8px;
-            color: var(--ci-dark-gray);
-        }
-
-        .form-input, .form-select, .form-textarea {
-            width: 100%;
-            padding: 10px 14px;
-            border: 2px solid var(--ci-light-gray);
-            border-radius: 8px;
-            font-size: 0.875rem;
-            font-family: inherit;
-            transition: border-color 0.2s;
-        }
-
-        .form-input:focus, .form-select:focus, .form-textarea:focus {
-            outline: none;
-            border-color: var(--ci-accent);
-        }
-
-        .form-textarea {
-            min-height: 80px;
-            resize: vertical;
-        }
-
-        .preview-container {
-            background: var(--ci-black);
-            border-radius: 8px;
-            padding: 16px;
-            min-height: 200px;
-            max-height: 350px;
-            overflow: auto;
-        }
-
-        .preview-content {
-            font-family: 'JetBrains Mono', monospace;
-            font-size: 12px;
-            line-height: 1.3;
-            color: #00ff00;
-            white-space: pre;
-        }
-
-        .template-grid {
-            display: grid;
-            grid-template-columns: repeat(4, 1fr);
-            gap: 8px;
-            margin-bottom: 16px;
-        }
-
-        .template-btn {
-            padding: 8px 12px;
-            border: 2px solid var(--ci-light-gray);
-            background: var(--ci-white);
-            border-radius: 6px;
-            font-size: 0.75rem;
-            cursor: pointer;
-            transition: all 0.2s;
-        }
-
-        .template-btn:hover {
-            border-color: var(--ci-accent);
-            background: rgba(229, 70, 31, 0.05);
-        }
-
-        .template-btn.active {
-            border-color: var(--ci-accent);
-            background: rgba(229, 70, 31, 0.1);
-        }
-
-        .footer {
-            display: flex;
-            justify-content: flex-end;
-            gap: 12px;
-            padding: 16px 24px;
-            background: var(--ci-white);
-            border-top: 1px solid var(--ci-light-gray);
-            position: sticky;
-            bottom: 0;
-        }
-
-        .btn {
-            padding: 10px 24px;
-            border-radius: 8px;
-            font-size: 0.875rem;
-            font-weight: 500;
-            cursor: pointer;
-            transition: all 0.2s;
-            border: none;
-        }
-
-        .btn-primary {
-            background: var(--ci-accent);
-            color: var(--ci-white);
-        }
-
-        .btn-primary:hover {
-            background: #c93a18;
-            transform: translateY(-1px);
-        }
-
-        .btn-secondary {
-            background: var(--ci-light-gray);
-            color: var(--ci-dark-gray);
-        }
-
-        .btn-secondary:hover {
-            background: #d0d0d0;
-        }
-
-        .mode-section {
-            display: none;
-        }
-
-        .mode-section.active {
-            display: block;
-        }
-
-        .template-category {
-            margin-bottom: 16px;
-        }
-
-        .template-category-title {
-            font-size: 0.8rem;
-            color: var(--ci-medium-gray);
-            margin-bottom: 8px;
-            text-transform: uppercase;
-            letter-spacing: 0.05em;
-        }
-    </style>
-</head>
-<body>
-    <div class="header">
-        <h1>ASCII Art Generator</h1>
-    </div>
-
-    <div class="container">
-        <div class="section">
-            <div class="mode-tabs">
-                <button class="mode-tab active" data-mode="text">Text Banner</button>
-                <button class="mode-tab" data-mode="box">Box/Frame</button>
-                <button class="mode-tab" data-mode="templates">Templates</button>
-            </div>
-
-            <!-- Text Banner Mode -->
-            <div id="text-mode" class="mode-section active">
-                <div class="form-group">
-                    <label class="form-label">Text to Convert</label>
-                    <input type="text" id="text-input" class="form-input" placeholder="Enter your text..." maxlength="30">
-                </div>
-                <div class="form-group">
-                    <label class="form-label">Style</label>
-                    <select id="font-style" class="form-select">
-                        <option value="standard">Standard</option>
-                        <option value="banner">Banner</option>
-                        <option value="block">Block</option>
-                        <option value="bubble">Bubble</option>
-                        <option value="digital">Digital</option>
-                    </select>
-                </div>
-            </div>
-
-            <!-- Box/Frame Mode -->
-            <div id="box-mode" class="mode-section">
-                <div class="form-group">
-                    <label class="form-label">Text Content</label>
-                    <textarea id="box-text" class="form-textarea" placeholder="Enter text for the box..."></textarea>
-                </div>
-                <div class="form-group">
-                    <label class="form-label">Box Style</label>
-                    <select id="box-style" class="form-select">
-                        <option value="single">Single Line</option>
-                        <option value="double">Double Line</option>
-                        <option value="rounded">Rounded</option>
-                        <option value="bold">Bold</option>
-                        <option value="ascii">ASCII (+|-)</option>
-                    </select>
-                </div>
-                <div class="form-group">
-                    <label class="form-label">Padding</label>
-                    <input type="number" id="box-padding" class="form-input" min="0" max="10" value="2" style="width: 100px;">
-                </div>
-            </div>
-
-            <!-- Templates Mode -->
-            <div id="templates-mode" class="mode-section">
-                <div class="template-category">
-                    <div class="template-category-title">Arrows & Flow</div>
-                    <div class="template-grid">
-                        <button class="template-btn" data-template="arrow-right">Arrow Right</button>
-                        <button class="template-btn" data-template="arrow-down">Arrow Down</button>
-                        <button class="template-btn" data-template="decision">Decision</button>
-                        <button class="template-btn" data-template="process">Process Flow</button>
-                    </div>
-                </div>
-                <div class="template-category">
-                    <div class="template-category-title">Diagrams</div>
-                    <div class="template-grid">
-                        <button class="template-btn" data-template="flowchart">Flowchart</button>
-                        <button class="template-btn" data-template="sequence">Sequence</button>
-                        <button class="template-btn" data-template="network">Network</button>
-                        <button class="template-btn" data-template="hierarchy">Hierarchy</button>
-                    </div>
-                </div>
-                <div class="template-category">
-                    <div class="template-category-title">Boxes & Containers</div>
-                    <div class="template-grid">
-                        <button class="template-btn" data-template="header">Header</button>
-                        <button class="template-btn" data-template="note">Note Box</button>
-                        <button class="template-btn" data-template="warning">Warning</button>
-                        <button class="template-btn" data-template="info">Info Box</button>
-                    </div>
-                </div>
-                <div class="template-category">
-                    <div class="template-category-title">Decorative</div>
-                    <div class="template-grid">
-                        <button class="template-btn" data-template="divider">Divider</button>
-                        <button class="template-btn" data-template="separator">Separator</button>
-                        <button class="template-btn" data-template="banner">Banner</button>
-                        <button class="template-btn" data-template="checklist">Checklist</button>
-                    </div>
-                </div>
-            </div>
-        </div>
-
-        <div class="section">
-            <div class="section-title">Preview</div>
-            <div class="preview-container">
-                <div id="preview" class="preview-content"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="footer">
-        <button class="btn btn-secondary" id="btn-generate">Generate Preview</button>
-        <button class="btn btn-primary" id="btn-insert">Insert to Editor</button>
-    </div>
-
-    <script>
-        // ASCII Art Generator Logic
-        const FONTS = {
-            standard: {
-                height: 5,
-                chars: {
-                    'A': ['  /\\  ', ' /  \\ ', '/----\\', '|    |', '|    |'],
-                    'B': ['|----\\', '|    |', '|----/', '|    \\', '|----/'],
-                    'C': ['/----\\', '|     ', '|     ', '|     ', '\\----/'],
-                    'D': ['|----\\', '|    |', '|    |', '|    |', '|----/'],
-                    'E': ['|----', '|    ', '|--- ', '|    ', '|----'],
-                    'F': ['|----', '|    ', '|--- ', '|    ', '|    '],
-                    'G': ['/----\\', '|     ', '| |--\\', '|    |', '\\----/'],
-                    'H': ['|    |', '|    |', '|----/', '|    |', '|    |'],
-                    'I': ['|---|', '  |  ', '  |  ', '  |  ', '|---|'],
-                    'J': ['    |', '    |', '    |', '|   |', '\\---/'],
-                    'K': ['|   /', '|  / ', '|--  ', '|  \\ ', '|   \\'],
-                    'L': ['|    ', '|    ', '|    ', '|    ', '|----'],
-                    'M': ['|\\  /|', '| \\/ |', '|    |', '|    |', '|    |'],
-                    'N': ['|\\   |', '| \\  |', '|  \\ |', '|   \\|', '|    |'],
-                    'O': ['/----\\', '|    |', '|    |', '|    |', '\\----/'],
-                    'P': ['|----\\', '|    |', '|----/', '|     ', '|     '],
-                    'Q': ['/----\\', '|    |', '|  \\ |', '|   \\|', '\\----\\'],
-                    'R': ['|----\\', '|    |', '|----/', '|  \\  ', '|   \\ '],
-                    'S': ['/----\\', '|     ', '\\----\\', '     |', '\\----/'],
-                    'T': ['-----', '  |  ', '  |  ', '  |  ', '  |  '],
-                    'U': ['|    |', '|    |', '|    |', '|    |', '\\----/'],
-                    'V': ['|    |', '|    |', ' \\  / ', '  \\/  ', '      '],
-                    'W': ['|    |', '|    |', '|    |', '| /\\ |', '|/  \\|'],
-                    'X': ['\\    /', ' \\  / ', '  \\/  ', '  /\\  ', ' /  \\ '],
-                    'Y': ['\\   /', ' \\ / ', '  |  ', '  |  ', '  |  '],
-                    'Z': ['-----', '   / ', '  /  ', ' /   ', '-----'],
-                    ' ': ['     ', '     ', '     ', '     ', '     '],
-                    '0': ['/---\\', '|   |', '| / |', '|/  |', '\\---/'],
-                    '1': ['  /| ', ' / | ', '   | ', '   | ', ' ----'],
-                    '2': ['/---\\', '    |', ' ---/', '/    ', '-----'],
-                    '3': ['----\\', '    |', ' ---/', '    |', '----/'],
-                    '4': ['|   |', '|   |', '-----', '    |', '    |'],
-                    '5': ['-----', '|    ', '----\\', '    |', '----/'],
-                    '6': ['/----', '|    ', '|---\\', '|   |', '\\---/'],
-                    '7': ['-----', '   / ', '  /  ', ' /   ', '/    '],
-                    '8': ['/---\\', '|   |', ' --- ', '|   |', '\\---/'],
-                    '9': ['/---\\', '|   |', '\\----', '    |', '----/']
-                }
-            },
-            banner: {
-                height: 7,
-                chars: {
-                    'A': [' ##### ', ' ##   ##', '##     ##', '#########', '##     ##', '##     ##', '##     ##'],
-                    'B': ['######## ', '##     ##', '##     ##', '######## ', '##     ##', '##     ##', '######## '],
-                    'C': [' ###### ', '##    ##', '##      ', '##      ', '##      ', '##    ##', ' ###### '],
-                    'D': ['######## ', '##     ##', '##     ##', '##     ##', '##     ##', '##     ##', '######## '],
-                    'E': ['########', '##      ', '##      ', '###### ', '##      ', '##      ', '########'],
-                    'F': ['########', '##      ', '##      ', '###### ', '##      ', '##      ', '##      '],
-                    'G': [' ###### ', '##    ##', '##      ', '##  ####', '##    ##', '##    ##', ' ###### '],
-                    'H': ['##     ##', '##     ##', '##     ##', '#########', '##     ##', '##     ##', '##     ##'],
-                    'I': ['####', ' ## ', ' ## ', ' ## ', ' ## ', ' ## ', '####'],
-                    'J': ['      ##', '      ##', '      ##', '      ##', '##    ##', '##    ##', ' ###### '],
-                    'K': ['##    ##', '##   ## ', '##  ##  ', '#####   ', '##  ##  ', '##   ## ', '##    ##'],
-                    'L': ['##      ', '##      ', '##      ', '##      ', '##      ', '##      ', '########'],
-                    'M': ['##     ##', '###   ###', '#### ####', '## ### ##', '##     ##', '##     ##', '##     ##'],
-                    'N': ['##    ##', '###   ##', '####  ##', '## ## ##', '##  ####', '##   ###', '##    ##'],
-                    'O': [' ####### ', '##     ##', '##     ##', '##     ##', '##     ##', '##     ##', ' ####### '],
-                    'P': ['######## ', '##     ##', '##     ##', '######## ', '##       ', '##       ', '##       '],
-                    'Q': [' ####### ', '##     ##', '##     ##', '##     ##', '##  ## ##', '##    ## ', ' ##### ##'],
-                    'R': ['######## ', '##     ##', '##     ##', '######## ', '##   ##  ', '##    ## ', '##     ##'],
-                    'S': [' ###### ', '##    ##', '##      ', ' ###### ', '      ##', '##    ##', ' ###### '],
-                    'T': ['########', '   ##   ', '   ##   ', '   ##   ', '   ##   ', '   ##   ', '   ##   '],
-                    'U': ['##     ##', '##     ##', '##     ##', '##     ##', '##     ##', '##     ##', ' ####### '],
-                    'V': ['##     ##', '##     ##', '##     ##', '##     ##', ' ##   ## ', '  ## ##  ', '   ###   '],
-                    'W': ['##      ##', '##  ##  ##', '##  ##  ##', '##  ##  ##', '##  ##  ##', '##  ##  ##', ' ###  ### '],
-                    'X': ['##     ##', ' ##   ## ', '  ## ##  ', '   ###   ', '  ## ##  ', ' ##   ## ', '##     ##'],
-                    'Y': ['##    ##', ' ##  ## ', '  ####  ', '   ##   ', '   ##   ', '   ##   ', '   ##   '],
-                    'Z': ['########', '     ## ', '    ##  ', '   ##   ', '  ##    ', ' ##     ', '########'],
-                    ' ': ['       ', '       ', '       ', '       ', '       ', '       ', '       '],
-                    '0': [' ###### ', '##    ##', '##    ##', '##    ##', '##    ##', '##    ##', ' ###### '],
-                    '1': ['   ##   ', ' ####   ', '   ##   ', '   ##   ', '   ##   ', '   ##   ', ' ###### '],
-                    '2': [' ###### ', '##    ##', '     ## ', '   ##   ', '  ##    ', ' ##     ', '########'],
-                    '3': [' ###### ', '##    ##', '     ## ', '  ####  ', '     ## ', '##    ##', ' ###### '],
-                    '4': ['    ##  ', '   ###  ', '  # ##  ', ' #  ##  ', '########', '    ##  ', '    ##  '],
-                    '5': ['########', '##      ', '####### ', '      ##', '      ##', '##    ##', ' ###### '],
-                    '6': [' ###### ', '##      ', '####### ', '##    ##', '##    ##', '##    ##', ' ###### '],
-                    '7': ['########', '##   ## ', '    ##  ', '   ##   ', '  ##    ', '  ##    ', '  ##    '],
-                    '8': [' ###### ', '##    ##', '##    ##', ' ###### ', '##    ##', '##    ##', ' ###### '],
-                    '9': [' ###### ', '##    ##', '##    ##', ' #######', '      ##', '##    ##', ' ###### ']
-                }
-            },
-            block: {
-                height: 6,
-                chars: {
-                    'A': ['█████╗ ', '██╔══██╗', '███████║', '██╔══██║', '██║  ██║', '╚═╝  ╚═╝'],
-                    'B': ['██████╗ ', '██╔══██╗', '██████╔╝', '██╔══██╗', '██████╔╝', '╚═════╝ '],
-                    'C': ['█████╗ ', '██╔══██╗', '██║     ', '██║     ', '╚█████╔╝', ' ╚════╝ '],
-                    'D': ['██████╗ ', '██╔══██╗', '██║  ██║', '██║  ██║', '██████╔╝', '╚═════╝ '],
-                    'E': ['███████╗', '██╔════╝', '█████╗  ', '██╔══╝  ', '███████╗', '╚══════╝'],
-                    'F': ['███████╗', '██╔════╝', '█████╗  ', '██╔══╝  ', '██║     ', '╚═╝     '],
-                    'G': ['█████╗ ', '██╔══██╗', '██║  ███', '██║   ██', '╚█████╔╝', ' ╚════╝ '],
-                    'H': ['██╗  ██╗', '██║  ██║', '███████║', '██╔══██║', '██║  ██║', '╚═╝  ╚═╝'],
-                    'I': ['██╗', '██║', '██║', '██║', '██║', '╚═╝'],
-                    'J': ['    ██╗', '    ██║', '    ██║', '██  ██║', '╚████╔╝', ' ╚═══╝ '],
-                    'K': ['██╗  ██╗', '██║ ██╔╝', '█████╔╝ ', '██╔═██╗ ', '██║  ██╗', '╚═╝  ╚═╝'],
-                    'L': ['██╗     ', '██║     ', '██║     ', '██║     ', '███████╗', '╚══════╝'],
-                    'M': ['███╗   ███╗', '████╗ ████║', '██╔████╔██║', '██║╚██╔╝██║', '██║ ╚═╝ ██║', '╚═╝     ╚═╝'],
-                    'N': ['███╗   ██╗', '████╗  ██║', '██╔██╗ ██║', '██║╚██╗██║', '██║ ╚████║', '╚═╝  ╚═══╝'],
-                    'O': ['█████╗ ', '██╔══██╗', '██║  ██║', '██║  ██║', '╚█████╔╝', ' ╚════╝ '],
-                    'P': ['██████╗ ', '██╔══██╗', '██████╔╝', '██╔═══╝ ', '██║     ', '╚═╝     '],
-                    'Q': ['█████╗ ', '██╔══██╗', '██║  ██║', '██║  ██║', '╚██████╗', ' ╚═══██╝'],
-                    'R': ['██████╗ ', '██╔══██╗', '██████╔╝', '██╔══██╗', '██║  ██║', '╚═╝  ╚═╝'],
-                    'S': ['█████╗ ', '██╔══╝ ', '█████╗ ', '╚══██║ ', '█████║ ', '╚════╝ '],
-                    'T': ['████████╗', '╚══██╔══╝', '   ██║   ', '   ██║   ', '   ██║   ', '   ╚═╝   '],
-                    'U': ['██╗  ██╗', '██║  ██║', '██║  ██║', '██║  ██║', '╚█████╔╝', ' ╚════╝ '],
-                    'V': ['██╗   ██╗', '██║   ██║', '██║   ██║', '╚██╗ ██╔╝', ' ╚████╔╝ ', '  ╚═══╝  '],
-                    'W': ['██╗    ██╗', '██║    ██║', '██║ █╗ ██║', '██║███╗██║', '╚███╔███╔╝', ' ╚══╝╚══╝ '],
-                    'X': ['██╗  ██╗', '╚██╗██╔╝', ' ╚███╔╝ ', ' ██╔██╗ ', '██╔╝ ██╗', '╚═╝  ╚═╝'],
-                    'Y': ['██╗   ██╗', '╚██╗ ██╔╝', ' ╚████╔╝ ', '  ╚██╔╝  ', '   ██║   ', '   ╚═╝   '],
-                    'Z': ['███████╗', '╚════██║', '  ███╔═╝', ' ██╔══╝ ', '███████╗', '╚══════╝'],
-                    ' ': ['   ', '   ', '   ', '   ', '   ', '   ']
-                }
-            }
-        };
-
-        const TEMPLATES = {
-            'arrow-right': '    ┌─────────────────────┐\n──▶│  Process or Action  │──▶\n    └─────────────────────┘',
-            'arrow-down': '        │\n        ▼\n┌───────────────┐\n│   Process     │\n└───────────────┘\n        │\n        ▼',
-            'decision': '       ╱╲\n      ╱  ╲\n     ╱ ?  ╲\n    ╱      ╲\n   ╱────────╲\n  ╱          ╲\n YES        NO\n  │          │\n  ▼          ▼',
-            'process': '┌─────┐   ┌─────┐   ┌─────┐\n│  1  │──▶│  2  │──▶│  3  │\n└─────┘   └─────┘   └─────┘',
-            'flowchart': '┌─────────────┐\n│   START    │\n└──────┬──────┘\n       │\n       ▼\n┌─────────────┐\n│  Process A  │\n└──────┬──────┘\n       │\n       ▼\n   ╱────────╲\n  ╱ Decision ╲\n  ╲    ?    ╱\n   ╲────────╱\n    │      │\n   YES    NO\n    │      │\n    ▼      ▼\n┌──────┐ ┌──────┐\n│  B   │ │  C   │\n└──────┘ └──────┘',
-            'sequence': ' User      System     Database\n   │           │           │\n   │  Request  │           │\n   ├──────────►│           │\n   │           │  Query    │\n   │           ├──────────►│\n   │           │           │\n   │           │  Result   │\n   │           │◄──────────┤\n   │  Response │           │\n   │◄──────────┤           │\n   │           │           │',
-            'network': '          ┌─────────┐\n          │ Server  │\n          └────┬────┘\n               │\n     ┌─────────┼─────────┐\n     │         │         │\n┌────┴────┐ ┌──┴──┐ ┌────┴────┐\n│ Client1 │ │ DB  │ │ Client2 │\n└─────────┘ └─────┘ └─────────┘',
-            'hierarchy': '            ┌─────────┐\n            │   CEO   │\n            └────┬────┘\n       ┌─────────┼─────────┐\n       │         │         │\n   ┌───┴───┐ ┌───┴───┐ ┌───┴───┐\n   │  VP1  │ │  VP2  │ │  VP3  │\n   └───┬───┘ └───┬───┘ └───┬───┘\n       │         │         │\n   ┌───┴───┐ ┌───┴───┐ ┌───┴───┐\n   │ Team1 │ │ Team2 │ │ Team3 │\n   └───────┘ └───────┘ └───────┘',
-            'header': '╔════════════════════════════════════╗\n║            SECTION TITLE           ║\n╚════════════════════════════════════╝',
-            'note': '┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n┃  NOTE:                         ┃\n┃  This is an important note     ┃\n┃  that requires attention!      ┃\n┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛',
-            'warning': '╔════════════════════════════════════╗\n║  ⚠️  WARNING                       ║\n║                                    ║\n║  Critical information here!        ║\n╚════════════════════════════════════╝',
-            'info': '╭────────────────────────────────────╮\n│  ℹ️  INFO                          │\n│                                    │\n│  Helpful information here.         │\n╰────────────────────────────────────╯',
-            'divider': '════════════════════════════════════════',
-            'separator': '╭──────────────────────────────────────╮\n│                                      │\n╰──────────────────────────────────────╯',
-            'banner': '★══════════════════════════════════════★\n║          YOUR TITLE HERE            ║\n★══════════════════════════════════════★',
-            'checklist': '☐ Task 1 - Not completed\n☑ Task 2 - Completed  \n☐ Task 3 - Not completed\n☐ Task 4 - Not completed'
-        };
-
-        const BOX_STYLES = {
-            single: { tl: '┌', tr: '┐', bl: '└', br: '┘', h: '─', v: '│' },
-            double: { tl: '╔', tr: '╗', bl: '╚', br: '╝', h: '═', v: '║' },
-            rounded: { tl: '╭', tr: '╮', bl: '╰', br: '╯', h: '─', v: '│' },
-            bold: { tl: '┏', tr: '┓', bl: '┗', br: '┛', h: '━', v: '┃' },
-            ascii: { tl: '+', tr: '+', bl: '+', br: '+', h: '-', v: '|' }
-        };
-
-        let currentMode = 'text';
-        let currentTemplate = null;
-
-        // Mode switching
-        document.querySelectorAll('.mode-tab').forEach(tab => {
-            tab.addEventListener('click', () => {
-                document.querySelectorAll('.mode-tab').forEach(t => t.classList.remove('active'));
-                tab.classList.add('active');
-                currentMode = tab.dataset.mode;
-
-                document.querySelectorAll('.mode-section').forEach(s => s.classList.remove('active'));
-                document.getElementById(currentMode + '-mode').classList.add('active');
-
-                generatePreview();
-            });
-        });
-
-        // Template selection
-        document.querySelectorAll('.template-btn').forEach(btn => {
-            btn.addEventListener('click', () => {
-                document.querySelectorAll('.template-btn').forEach(b => b.classList.remove('active'));
-                btn.classList.add('active');
-                currentTemplate = btn.dataset.template;
-                generatePreview();
-            });
-        });
-
-        // Generate text banner
-        function generateTextBanner(text, style) {
-            const font = FONTS[style] || FONTS.standard;
-            const lines = Array(font.height).fill('');
-
-            for (const char of text.toUpperCase()) {
-                const charArt = font.chars[char] || font.chars[' '];
-                if (charArt) {
-                    for (let i = 0; i < font.height; i++) {
-                        lines[i] += charArt[i] + ' ';
-                    }
-                }
-            }
-
-            return lines.join('\n');
-        }
-
-        // Generate box
-        function generateBox(text, style, padding) {
-            const box = BOX_STYLES[style] || BOX_STYLES.single;
-            const lines = text.split('\n');
-            const maxLen = Math.max(...lines.map(l => l.length)) + padding * 2;
-
-            let result = box.tl + box.h.repeat(maxLen + 2) + box.tr + '\n';
-
-            // Add padding lines at top
-            for (let i = 0; i < Math.floor(padding / 2); i++) {
-                result += box.v + ' '.repeat(maxLen + 2) + box.v + '\n';
-            }
-
-            // Add text lines
-            for (const line of lines) {
-                const paddedLine = ' '.repeat(padding) + line.padEnd(maxLen - padding) + ' ';
-                result += box.v + ' ' + paddedLine + box.v + '\n';
-            }
-
-            // Add padding lines at bottom
-            for (let i = 0; i < Math.floor(padding / 2); i++) {
-                result += box.v + ' '.repeat(maxLen + 2) + box.v + '\n';
-            }
-
-            result += box.bl + box.h.repeat(maxLen + 2) + box.br;
-            return result;
-        }
-
-        // Generate preview
-        function generatePreview() {
-            let result = '';
-
-            if (currentMode === 'text') {
-                const text = document.getElementById('text-input').value || 'HELLO';
-                const style = document.getElementById('font-style').value;
-                result = generateTextBanner(text, style);
-            } else if (currentMode === 'box') {
-                const text = document.getElementById('box-text').value || 'Your text here';
-                const style = document.getElementById('box-style').value;
-                const padding = parseInt(document.getElementById('box-padding').value) || 2;
-                result = generateBox(text, style, padding);
-            } else if (currentMode === 'templates') {
-                result = currentTemplate ? TEMPLATES[currentTemplate] : 'Select a template...';
-            }
-
-            document.getElementById('preview').textContent = result;
-        }
-
-        // Event listeners for live preview
-        document.getElementById('text-input').addEventListener('input', generatePreview);
-        document.getElementById('font-style').addEventListener('change', generatePreview);
-        document.getElementById('box-text').addEventListener('input', generatePreview);
-        document.getElementById('box-style').addEventListener('change', generatePreview);
-        document.getElementById('box-padding').addEventListener('input', generatePreview);
-
-        document.getElementById('btn-generate').addEventListener('click', generatePreview);
-
-        document.getElementById('btn-insert').addEventListener('click', () => {
-            const content = document.getElementById('preview').textContent;
-            if (content && window.electronAPI) {
-                // Wrap in code block for markdown
-                const wrapped = '```\n' + content + '\n```';
-                window.electronAPI.send('insert-generated-content', wrapped);
-                window.close();
-            }
-        });
-
-        // Initial preview
-        generatePreview();
-    </script>
-</body>
-</html>

src/command-palette.js

@@ -1,109 +0,0 @@
-class CommandPalette {
-    constructor() {
-        this.overlay = document.getElementById('command-palette-overlay');
-        this.input = document.getElementById('command-palette-input');
-        this.results = document.getElementById('command-palette-results');
-        this.commands = [];
-        this.selectedIndex = 0;
-        this.filteredCommands = [];
-        this.setupEventListeners();
-    }
-
-    register(label, shortcut, action) {
-        this.commands.push({ label, shortcut, action });
-    }
-
-    open() {
-        this.overlay.classList.remove('hidden');
-        this.input.value = '';
-        this.input.focus();
-        this.selectedIndex = 0;
-        this.renderResults('');
-    }
-
-    close() {
-        this.overlay.classList.add('hidden');
-    }
-
-    isOpen() {
-        return !this.overlay.classList.contains('hidden');
-    }
-
-    setupEventListeners() {
-        this.input.addEventListener('input', () => {
-            this.selectedIndex = 0;
-            this.renderResults(this.input.value);
-        });
-
-        this.overlay.addEventListener('click', (e) => {
-            if (e.target === this.overlay) this.close();
-        });
-
-        this.input.addEventListener('keydown', (e) => {
-            if (e.key === 'Escape') {
-                e.preventDefault();
-                this.close();
-            } else if (e.key === 'Enter') {
-                e.preventDefault();
-                this.executeSelected();
-            } else if (e.key === 'ArrowDown') {
-                e.preventDefault();
-                this.selectedIndex = Math.min(this.selectedIndex + 1, this.filteredCommands.length - 1);
-                this.updateSelection();
-            } else if (e.key === 'ArrowUp') {
-                e.preventDefault();
-                this.selectedIndex = Math.max(this.selectedIndex - 1, 0);
-                this.updateSelection();
-            }
-        });
-    }
-
-    renderResults(query) {
-        this.filteredCommands = query
-            ? this.commands.filter(cmd => cmd.label.toLowerCase().includes(query.toLowerCase()))
-            : [...this.commands];
-
-        this.results.innerHTML = this.filteredCommands.map((cmd, i) => `
-            <div class="command-item ${i === this.selectedIndex ? 'selected' : ''}" data-index="${i}">
-                <span class="command-label">${this.highlightMatch(cmd.label, query)}</span>
-                ${cmd.shortcut ? `<span class="command-shortcut">${cmd.shortcut}</span>` : ''}
-            </div>
-        `).join('');
-
-        this.results.querySelectorAll('.command-item').forEach((el) => {
-            el.addEventListener('click', () => {
-                const idx = parseInt(el.dataset.index);
-                this.filteredCommands[idx].action();
-                this.close();
-            });
-            el.addEventListener('mouseenter', () => {
-                this.selectedIndex = parseInt(el.dataset.index);
-                this.updateSelection();
-            });
-        });
-    }
-
-    highlightMatch(text, query) {
-        if (!query) return text;
-        const regex = new RegExp(`(${query.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')})`, 'gi');
-        return text.replace(regex, '<strong>$1</strong>');
-    }
-
-    updateSelection() {
-        this.results.querySelectorAll('.command-item').forEach((el, i) => {
-            el.classList.toggle('selected', i === this.selectedIndex);
-        });
-        // Scroll selected into view
-        const selected = this.results.querySelector('.command-item.selected');
-        if (selected) selected.scrollIntoView({ block: 'nearest' });
-    }
-
-    executeSelected() {
-        if (this.filteredCommands[this.selectedIndex]) {
-            this.filteredCommands[this.selectedIndex].action();
-            this.close();
-        }
-    }
-}
-
-module.exports = { CommandPalette };

src/editor/codemirror-setup.js

@@ -1,123 +0,0 @@
-// CodeMirror 6 wrapper module
-// Provides createEditor() and getLanguageExtension() for the rest of the app.
-
-const {
-  EditorView,
-  keymap,
-  lineNumbers,
-  highlightActiveLine,
-  drawSelection,
-} = require('@codemirror/view');
-const { EditorState } = require('@codemirror/state');
-const { markdown, markdownLanguage } = require('@codemirror/lang-markdown');
-// Language extensions loaded lazily on first use
-let _javascript, _html, _css, _json, _python;
-const {
-  defaultKeymap,
-  history,
-  historyKeymap,
-  indentWithTab,
-} = require('@codemirror/commands');
-const {
-  searchKeymap,
-  highlightSelectionMatches,
-} = require('@codemirror/search');
-const {
-  autocompletion,
-  completionKeymap,
-} = require('@codemirror/autocomplete');
-const {
-  bracketMatching,
-  foldGutter,
-  indentOnInput,
-} = require('@codemirror/language');
-const { oneDark } = require('@codemirror/theme-one-dark');
-
-/**
- * Create a CodeMirror 6 editor instance.
- *
- * @param {HTMLElement} parentElement - DOM element to mount the editor in
- * @param {Object}  options
- * @param {string}  options.content          - initial document content (default '')
- * @param {Function} options.onChange        - called with new content string on every doc change
- * @param {Function} options.onUpdate       - called with the EditorView on every update (selection, doc change, etc.)
- * @param {boolean} options.isDark           - apply oneDark theme when true (default false)
- * @param {boolean} options.showLineNumbers  - show line-number gutter (default true)
- * @returns {EditorView} the created editor view
- */
-function createEditor(parentElement, options = {}) {
-  const {
-    content = '',
-    onChange = () => {},
-    onUpdate = null,
-    isDark = false,
-    showLineNumbers = true,
-  } = options;
-
-  const extensions = [
-    markdown({ base: markdownLanguage }),
-    history(),
-    drawSelection(),
-    highlightActiveLine(),
-    bracketMatching(),
-    indentOnInput(),
-    highlightSelectionMatches(),
-    autocompletion(),
-    foldGutter(),
-    keymap.of([
-      ...defaultKeymap,
-      ...historyKeymap,
-      ...searchKeymap,
-      ...completionKeymap,
-      indentWithTab,
-    ]),
-    EditorView.updateListener.of((update) => {
-      if (update.docChanged) {
-        onChange(update.state.doc.toString());
-      }
-      if (onUpdate && (update.docChanged || update.selectionSet)) {
-        onUpdate(update.view);
-      }
-    }),
-    EditorView.lineWrapping,
-  ];
-
-  if (showLineNumbers) {
-    extensions.push(lineNumbers());
-  }
-
-  if (isDark) {
-    extensions.push(oneDark);
-  }
-
-  const state = EditorState.create({ doc: content, extensions });
-  const view = new EditorView({ state, parent: parentElement });
-  return view;
-}
-
-/**
- * Return the appropriate CodeMirror language extension for a given language name.
- *
- * Supported values: javascript, js, html, css, json, python, py, markdown.
- * Falls back to markdown when the language is unrecognised.
- *
- * @param {string} lang - language identifier
- * @returns {Extension} CodeMirror language extension
- */
-function getLanguageExtension(lang) {
-  const loaders = {
-    javascript: () => { if (!_javascript) _javascript = require('@codemirror/lang-javascript').javascript; return _javascript(); },
-    html: () => { if (!_html) _html = require('@codemirror/lang-html').html; return _html(); },
-    css: () => { if (!_css) _css = require('@codemirror/lang-css').css; return _css(); },
-    json: () => { if (!_json) _json = require('@codemirror/lang-json').json; return _json(); },
-    python: () => { if (!_python) _python = require('@codemirror/lang-python').python; return _python(); },
-    markdown: () => markdown({ base: markdownLanguage }),
-  };
-  loaders.js = loaders.javascript;
-  loaders.py = loaders.python;
-
-  const loader = loaders[lang];
-  return loader ? loader() : markdown({ base: markdownLanguage });
-}
-
-module.exports = { createEditor, getLanguageExtension };

src/fonts.css

@@ -1,75 +0,0 @@
-/* Local Font Definitions for MarkdownConverter */
-
-/* Inter Font Family */
-@font-face {
-    font-family: 'Inter';
-    font-style: normal;
-    font-weight: 300;
-    font-display: swap;
-    src: url('../assets/fonts/Inter-Light.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'Inter';
-    font-style: normal;
-    font-weight: 400;
-    font-display: swap;
-    src: url('../assets/fonts/Inter-Regular.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'Inter';
-    font-style: normal;
-    font-weight: 500;
-    font-display: swap;
-    src: url('../assets/fonts/Inter-Medium.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'Inter';
-    font-style: normal;
-    font-weight: 600;
-    font-display: swap;
-    src: url('../assets/fonts/Inter-SemiBold.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'Inter';
-    font-style: normal;
-    font-weight: 700;
-    font-display: swap;
-    src: url('../assets/fonts/Inter-Bold.woff2') format('woff2');
-}
-
-/* JetBrains Mono Font Family - For code, markdown editor, and ASCII art */
-@font-face {
-    font-family: 'JetBrains Mono';
-    font-style: normal;
-    font-weight: 400;
-    font-display: swap;
-    src: url('../assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'JetBrains Mono';
-    font-style: normal;
-    font-weight: 500;
-    font-display: swap;
-    src: url('../assets/fonts/JetBrainsMono-Medium.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'JetBrains Mono';
-    font-style: normal;
-    font-weight: 600;
-    font-display: swap;
-    src: url('../assets/fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
-}
-
-@font-face {
-    font-family: 'JetBrains Mono';
-    font-style: normal;
-    font-weight: 700;
-    font-display: swap;
-    src: url('../assets/fonts/JetBrainsMono-Bold.woff2') format('woff2');
-}

src/preload.js

@@ -1,422 +0,0 @@
-/**
- * Preload Script for PanConverter
- *
- * This script creates a secure bridge between the main process and renderer process.
- * It exposes only specific IPC channels, preventing direct Node.js access in the renderer.
- *
- * Security Benefits:
- * - No direct access to Node.js APIs (fs, path, child_process, etc.)
- * - All IPC channels are explicitly whitelisted
- * - Prevents XSS from escalating to full system access
- *
- * @version 4.0.0
- */
-
-const { contextBridge, ipcRenderer } = require('electron');
-
-// Define allowed IPC channels for security
-const ALLOWED_SEND_CHANNELS = [
-  // File operations
-  'save-file',
-  'save-current-file',
-  'set-current-file',
-  'save-recent-files',
-  'clear-recent-files',
-  'renderer-ready',
-
-  // Theme
-  'get-theme',
-
-  // Print
-  'do-print',
-  'do-print-with-options',
-
-  // Export
-  'export-with-options',
-  'export-spreadsheet',
-
-  // Batch conversion
-  'batch-convert',
-  'select-folder',
-
-  // Universal converter
-  'universal-convert',
-  'universal-convert-batch',
-
-  // Image converter
-  'image-convert',
-  'image-batch-convert',
-  'image-resize',
-  'image-compress',
-  'image-rotate',
-
-  // Audio converter
-  'audio-convert',
-  'audio-batch-convert',
-  'audio-extract',
-  'audio-trim',
-  'audio-merge',
-
-  // Video converter
-  'video-convert',
-  'video-batch-convert',
-  'video-compress',
-  'video-trim',
-  'video-frames',
-  'video-gif',
-
-  // Header/Footer
-  'get-header-footer-settings',
-  'save-header-footer-settings',
-  'browse-header-footer-logo',
-  'save-header-footer-logo',
-  'clear-header-footer-logo',
-
-  // Page settings
-  'get-page-settings',
-  'update-page-settings',
-
-  // Template settings
-  'set-custom-start-page',
-
-  // PDF operations
-  'process-pdf-operation',
-  'get-pdf-page-count',
-  'select-pdf-folder',
-
-  // ASCII generator (separate window)
-  'open-ascii-generator',
-
-  // Table generator (separate window)
-  'open-table-generator',
-
-  // Insert generated content
-  'insert-generated-content',
-
-  // Image paste/drop
-  'save-pasted-image',
-
-  // Templates
-  'load-template',
-
-  // File Explorer
-  'list-directory',
-
-  // Git
-  'git-status',
-  'git-stage',
-  'git-commit',
-  'git-log',
-
-  // Snippets
-  'get-snippets',
-  'save-snippet',
-  'delete-snippet',
-
-  // Code execution (REPL)
-  'execute-code',
-
-  // File open by path
-  'open-file-path',
-
-  // PDF editor from toolbar
-  'show-pdf-editor-from-toolbar',
-
-  // Menu triggers
-  'menu-open',
-  'export',
-
-  // Git diff
-  'git-diff'
-];
-
-const ALLOWED_RECEIVE_CHANNELS = [
-  // File operations
-  'file-new',
-  'file-opened',
-  'file-save',
-  'get-content-for-save',
-  'get-content-for-spreadsheet',
-  'recent-files-cleared',
-
-  // UI toggles
-  'toggle-preview',
-  'toggle-find',
-
-  // Theme
-  'theme-changed',
-  'theme-data',
-
-  // Edit operations
-  'undo',
-  'redo',
-
-  // Font
-  'adjust-font-size',
-
-  // Print
-  'print-preview',
-  'print-preview-styled',
-
-  // Export dialogs
-  'show-export-dialog',
-  'show-batch-dialog',
-  'show-universal-converter-dialog',
-  'show-table-generator',
-  'show-pdf-editor-dialog',
-
-  // Converter dialogs
-  'show-image-converter',
-  'show-audio-converter',
-  'show-video-converter',
-
-  // PDF viewer
-  'open-pdf-viewer',
-
-  // Conversion status
-  'conversion-status',
-  'conversion-complete',
-  'batch-progress',
-  'image-conversion-complete',
-  'audio-conversion-complete',
-  'video-conversion-complete',
-
-  // Folder selection
-  'folder-selected',
-  'pdf-folder-selected',
-
-  // Header/Footer
-  'header-footer-settings-data',
-  'header-footer-logo-selected',
-  'header-footer-logo-saved',
-
-  // Page settings
-  'page-settings-data',
-
-  // PDF operations
-  'pdf-page-count',
-  'pdf-operation-complete',
-  'pdf-operation-error',
-
-  // ASCII Art Generator
-  'show-ascii-generator-window',
-  'show-ascii-generator',
-
-  // Table Generator
-  'show-table-generator-window',
-
-  // Header/Footer dialog
-  'open-header-footer-dialog',
-  'header-footer-logo-cleared',
-
-  // PDF operation progress
-  'pdf-operation-progress',
-
-  // Insert content from generator windows
-  'insert-content',
-
-  // Batch converter
-  'show-batch-converter',
-
-  // v4 menu-triggered events
-  'load-template-menu',
-  'toggle-command-palette',
-  'toggle-sidebar-panel',
-  'toggle-bottom-panel'
-];
-
-/**
- * Secure API exposed to renderer process
- * Access via window.electronAPI in renderer
- */
-contextBridge.exposeInMainWorld('electronAPI', {
-  // ============================================
-  // SEND METHODS (Renderer -> Main)
-  // ============================================
-
-  /**
-   * Send a message to the main process
-   * @param {string} channel - IPC channel name
-   * @param {any} data - Data to send
-   */
-  send: (channel, data) => {
-    if (ALLOWED_SEND_CHANNELS.includes(channel)) {
-      ipcRenderer.send(channel, data);
-    } else {
-      console.warn(`[Preload] Blocked send to unauthorized channel: ${channel}`);
-    }
-  },
-
-  /**
-   * Invoke a main process handler and get a response
-   * @param {string} channel - IPC channel name
-   * @param {any} data - Data to send
-   * @returns {Promise<any>} Response from main process
-   */
-  invoke: async (channel, data) => {
-    if (ALLOWED_SEND_CHANNELS.includes(channel)) {
-      return await ipcRenderer.invoke(channel, data);
-    } else {
-      console.warn(`[Preload] Blocked invoke to unauthorized channel: ${channel}`);
-      return null;
-    }
-  },
-
-  // ============================================
-  // RECEIVE METHODS (Main -> Renderer)
-  // ============================================
-
-  /**
-   * Register a listener for messages from main process
-   * @param {string} channel - IPC channel name
-   * @param {Function} callback - Function to call with received data
-   * @returns {Function} Cleanup function to remove listener
-   */
-  on: (channel, callback) => {
-    if (ALLOWED_RECEIVE_CHANNELS.includes(channel)) {
-      const subscription = (event, ...args) => callback(...args);
-      ipcRenderer.on(channel, subscription);
-
-      // Return cleanup function
-      return () => {
-        ipcRenderer.removeListener(channel, subscription);
-      };
-    } else {
-      console.warn(`[Preload] Blocked listener for unauthorized channel: ${channel}`);
-      return () => {}; // No-op cleanup
-    }
-  },
-
-  /**
-   * Register a one-time listener for messages from main process
-   * @param {string} channel - IPC channel name
-   * @param {Function} callback - Function to call with received data
-   */
-  once: (channel, callback) => {
-    if (ALLOWED_RECEIVE_CHANNELS.includes(channel)) {
-      ipcRenderer.once(channel, (event, ...args) => callback(...args));
-    } else {
-      console.warn(`[Preload] Blocked once listener for unauthorized channel: ${channel}`);
-    }
-  },
-
-  /**
-   * Remove all listeners for a channel
-   * @param {string} channel - IPC channel name
-   */
-  removeAllListeners: (channel) => {
-    if (ALLOWED_RECEIVE_CHANNELS.includes(channel)) {
-      ipcRenderer.removeAllListeners(channel);
-    }
-  },
-
-  // ============================================
-  // CONVENIENCE METHODS
-  // ============================================
-
-  // File Operations
-  file: {
-    save: (filePath, content) => ipcRenderer.send('save-file', { path: filePath, content }),
-    saveCurrent: (content) => ipcRenderer.send('save-current-file', content),
-    setCurrent: (filePath) => ipcRenderer.send('set-current-file', filePath),
-    saveRecent: (recentFiles) => ipcRenderer.send('save-recent-files', recentFiles),
-    clearRecent: () => ipcRenderer.send('clear-recent-files'),
-    rendererReady: () => ipcRenderer.send('renderer-ready')
-  },
-
-  // Theme Operations
-  theme: {
-    get: () => ipcRenderer.send('get-theme')
-  },
-
-  // Print Operations
-  print: {
-    doPrint: (options) => ipcRenderer.send('do-print', options)
-  },
-
-  // Export Operations
-  export: {
-    withOptions: (format, options) => ipcRenderer.send('export-with-options', { format, options }),
-    spreadsheet: (content, format) => ipcRenderer.send('export-spreadsheet', { content, format })
-  },
-
-  // Batch Conversion
-  batch: {
-    convert: (inputFolder, outputFolder, format, options) => {
-      ipcRenderer.send('batch-convert', { inputFolder, outputFolder, format, options });
-    },
-    selectFolder: (type) => ipcRenderer.send('select-folder', type)
-  },
-
-  // Universal Converter
-  converter: {
-    convert: (tool, fromFormat, toFormat, filePath) => {
-      ipcRenderer.send('universal-convert', { tool, fromFormat, toFormat, filePath });
-    },
-    convertBatch: (tool, fromFormat, toFormat, inputFolder, outputFolder) => {
-      ipcRenderer.send('universal-convert-batch', { tool, fromFormat, toFormat, inputFolder, outputFolder });
-    }
-  },
-
-  // Header/Footer Operations
-  headerFooter: {
-    getSettings: () => ipcRenderer.send('get-header-footer-settings'),
-    saveSettings: (settings) => ipcRenderer.send('save-header-footer-settings', settings),
-    browseLogo: (position) => ipcRenderer.send('browse-header-footer-logo', position),
-    saveLogo: (position, filePath) => ipcRenderer.send('save-header-footer-logo', { position, filePath }),
-    clearLogo: (position) => ipcRenderer.send('clear-header-footer-logo', position)
-  },
-
-  // Page Settings
-  page: {
-    getSettings: () => ipcRenderer.send('get-page-settings'),
-    updateSettings: (settings) => ipcRenderer.send('update-page-settings', settings),
-    setCustomStartPage: (pageNumber) => ipcRenderer.send('set-custom-start-page', pageNumber)
-  },
-
-  // PDF Operations
-  pdf: {
-    processOperation: (data) => ipcRenderer.send('process-pdf-operation', data),
-    getPageCount: (filePath) => ipcRenderer.send('get-pdf-page-count', filePath),
-    selectFolder: (inputId) => ipcRenderer.send('select-pdf-folder', inputId)
-  },
-
-  // Image Converter Operations
-  image: {
-    convert: (data) => ipcRenderer.send('image-convert', data),
-    batchConvert: (data) => ipcRenderer.send('image-batch-convert', data),
-    resize: (data) => ipcRenderer.send('image-resize', data),
-    compress: (data) => ipcRenderer.send('image-compress', data),
-    rotate: (data) => ipcRenderer.send('image-rotate', data)
-  },
-
-  // Audio Converter Operations
-  audio: {
-    convert: (data) => ipcRenderer.send('audio-convert', data),
-    batchConvert: (data) => ipcRenderer.send('audio-batch-convert', data),
-    extract: (data) => ipcRenderer.send('audio-extract', data),
-    trim: (data) => ipcRenderer.send('audio-trim', data),
-    merge: (data) => ipcRenderer.send('audio-merge', data)
-  },
-
-  // Video Converter Operations
-  video: {
-    convert: (data) => ipcRenderer.send('video-convert', data),
-    batchConvert: (data) => ipcRenderer.send('video-batch-convert', data),
-    compress: (data) => ipcRenderer.send('video-compress', data),
-    trim: (data) => ipcRenderer.send('video-trim', data),
-    extractFrames: (data) => ipcRenderer.send('video-frames', data),
-    toGif: (data) => ipcRenderer.send('video-gif', data)
-  },
-
-  // Generator Windows
-  generators: {
-    openAscii: () => ipcRenderer.send('open-ascii-generator'),
-    openTable: () => ipcRenderer.send('open-table-generator')
-  }
-});
-
-// Log successful preload initialization
-console.log('[Preload] Secure IPC bridge initialized');
-console.log('[Preload] Allowed send channels:', ALLOWED_SEND_CHANNELS.length);
-console.log('[Preload] Allowed receive channels:', ALLOWED_RECEIVE_CHANNELS.length);

src/print-preview.js

@@ -1,139 +0,0 @@
-class PrintPreview {
-    constructor() {
-        this.overlay = document.getElementById('print-preview-overlay');
-        this._lastContent = '';
-        this.setupEventListeners();
-    }
-
-    open(htmlContent) {
-        this._lastContent = htmlContent;
-        this.overlay.classList.remove('hidden');
-        this.updatePreview(htmlContent);
-        this.updateScaleLabel();
-    }
-
-    close() {
-        this.overlay.classList.add('hidden');
-    }
-
-    setupEventListeners() {
-        document.getElementById('print-preview-close')?.addEventListener('click', () => this.close());
-        document.getElementById('print-cancel')?.addEventListener('click', () => this.close());
-        document.getElementById('print-execute')?.addEventListener('click', () => this.executePrint());
-
-        // Update preview on option changes
-        ['print-paper-size', 'print-orientation', 'print-margins'].forEach(id => {
-            document.getElementById(id)?.addEventListener('change', () => this.refreshPreview());
-        });
-
-        // Scale slider
-        const scaleSlider = document.getElementById('print-scale');
-        scaleSlider?.addEventListener('input', () => this.updateScaleLabel());
-
-        // Page range toggle
-        document.getElementById('print-pages')?.addEventListener('change', (e) => {
-            const rangeInput = document.getElementById('print-page-range');
-            if (rangeInput) {
-                rangeInput.classList.toggle('hidden', e.target.value !== 'custom');
-            }
-        });
-
-        // Close on overlay click
-        this.overlay?.addEventListener('click', (e) => {
-            if (e.target === this.overlay) this.close();
-        });
-
-        // Close on Escape
-        document.addEventListener('keydown', (e) => {
-            if (e.key === 'Escape' && !this.overlay.classList.contains('hidden')) {
-                this.close();
-            }
-        });
-    }
-
-    updateScaleLabel() {
-        const scale = document.getElementById('print-scale')?.value || 100;
-        const label = document.getElementById('print-scale-value');
-        if (label) label.textContent = `${scale}%`;
-    }
-
-    updatePreview(htmlContent) {
-        const frame = document.getElementById('print-preview-frame');
-        if (!frame) return;
-
-        this._lastContent = htmlContent;
-
-        const orientation = document.getElementById('print-orientation')?.value || 'portrait';
-        const paperSize = document.getElementById('print-paper-size')?.value || 'A4';
-
-        // Get dimensions for paper size
-        const sizes = {
-            'A3': { width: '297mm', height: '420mm' },
-            'A4': { width: '210mm', height: '297mm' },
-            'A5': { width: '148mm', height: '210mm' },
-            'Letter': { width: '8.5in', height: '11in' },
-            'Legal': { width: '8.5in', height: '14in' },
-            'Tabloid': { width: '11in', height: '17in' },
-        };
-
-        const size = sizes[paperSize] || sizes['A4'];
-        const width = orientation === 'landscape' ? size.height : size.width;
-        const height = orientation === 'landscape' ? size.width : size.height;
-
-        const previewHtml = `
-            <!DOCTYPE html>
-            <html>
-            <head>
-                <style>
-                    body {
-                        margin: 20px;
-                        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
-                        font-size: 14px;
-                        line-height: 1.6;
-                    }
-                    @page { size: ${width} ${height}; }
-                    pre { background: #f5f5f5; padding: 12px; border-radius: 6px; overflow-x: auto; }
-                    code { background: #f0f0f0; padding: 2px 6px; border-radius: 3px; font-size: 13px; }
-                    pre code { background: none; padding: 0; }
-                    table { border-collapse: collapse; width: 100%; }
-                    th, td { border: 1px solid #ddd; padding: 8px; }
-                    blockquote { border-left: 4px solid #ddd; margin-left: 0; padding-left: 16px; color: #666; }
-                    img { max-width: 100%; }
-                    h1, h2, h3 { margin-top: 1.5em; }
-                </style>
-            </head>
-            <body>${htmlContent || ''}</body>
-            </html>
-        `;
-
-        frame.srcdoc = previewHtml;
-    }
-
-    refreshPreview() {
-        if (this._lastContent) {
-            this.updatePreview(this._lastContent);
-        }
-    }
-
-    getOptions() {
-        return {
-            paperSize: document.getElementById('print-paper-size')?.value || 'A4',
-            orientation: document.getElementById('print-orientation')?.value || 'portrait',
-            margins: document.getElementById('print-margins')?.value || 'default',
-            scale: parseInt(document.getElementById('print-scale')?.value || '100'),
-            headers: document.getElementById('print-headers')?.checked ?? true,
-            background: document.getElementById('print-background')?.checked ?? true,
-            pages: document.getElementById('print-pages')?.value || 'all',
-            pageRange: document.getElementById('print-page-range')?.value || '',
-        };
-    }
-
-    executePrint() {
-        const options = this.getOptions();
-        const { ipcRenderer } = require('electron');
-        ipcRenderer.send('do-print-with-options', options);
-        this.close();
-    }
-}
-
-module.exports = { PrintPreview };

src/repl/repl-panel.js

@@ -1,49 +0,0 @@
-class ReplPanel {
-    constructor() {
-        this.panel = document.getElementById('bottom-panel');
-        this.output = document.getElementById('repl-output');
-        this.setupEventListeners();
-    }
-
-    setupEventListeners() {
-        document.getElementById('bottom-panel-toggle')?.addEventListener('click', () => this.toggle());
-        document.getElementById('repl-clear')?.addEventListener('click', () => this.clear());
-    }
-
-    toggle() {
-        this.panel.classList.toggle('collapsed');
-        const btn = document.getElementById('bottom-panel-toggle');
-        if (btn) btn.textContent = this.panel.classList.contains('collapsed') ? '\u25BC' : '\u25B2';
-    }
-
-    show() {
-        this.panel.classList.remove('collapsed');
-        const btn = document.getElementById('bottom-panel-toggle');
-        if (btn) btn.textContent = '\u25B2';
-    }
-
-    clear() {
-        if (this.output) this.output.innerHTML = '';
-    }
-
-    appendOutput(command, result) {
-        const entry = document.createElement('div');
-        entry.className = 'repl-entry';
-        entry.innerHTML = `
-            <div class="repl-command">\u25B6 ${command}</div>
-            ${result.stdout ? `<div class="repl-stdout">${this.escapeHtml(result.stdout)}</div>` : ''}
-            ${result.stderr ? `<div class="repl-stderr">${this.escapeHtml(result.stderr)}</div>` : ''}
-            ${result.error ? `<div class="repl-error">Error: ${this.escapeHtml(result.error)}</div>` : ''}
-        `;
-        this.output?.appendChild(entry);
-        this.output?.scrollTo(0, this.output.scrollHeight);
-    }
-
-    escapeHtml(text) {
-        const div = document.createElement('div');
-        div.textContent = text;
-        return div.innerHTML;
-    }
-}
-
-module.exports = { ReplPanel };

src/sidebar/explorer-panel.js

@@ -1,70 +0,0 @@
-const path = require('path');
-
-function renderExplorerPanel(container, { listDirectory, onFileOpen, currentDir }) {
-    container.innerHTML = `
-        <div class="explorer-panel">
-            <div class="explorer-toolbar">
-                <input type="text" class="explorer-path" id="explorer-path" value="${currentDir || ''}" placeholder="Open a folder..." readonly>
-                <button class="explorer-browse-btn" id="explorer-browse" title="Browse folder">&#x1F4C2;</button>
-            </div>
-            <div class="explorer-tree" id="explorer-tree"></div>
-        </div>
-    `;
-
-    document.getElementById('explorer-browse')?.addEventListener('click', async () => {
-        const dir = await listDirectory(null); // null means open folder dialog
-        if (dir) {
-            document.getElementById('explorer-path').value = dir.path;
-            renderTree(document.getElementById('explorer-tree'), dir.entries, listDirectory, onFileOpen, dir.path);
-        }
-    });
-
-    if (currentDir) {
-        listDirectory(currentDir).then(dir => {
-            if (dir) renderTree(document.getElementById('explorer-tree'), dir.entries, listDirectory, onFileOpen, currentDir);
-        });
-    }
-}
-
-function renderTree(container, entries, listDirectory, onFileOpen, basePath) {
-    container.innerHTML = entries.map(entry => {
-        if (entry.isDirectory) {
-            return `<div class="tree-item tree-folder collapsed" data-path="${entry.path}">
-                <span class="tree-icon">&#x25B6;</span>
-                <span class="tree-name">${entry.name}</span>
-                <div class="tree-children"></div>
-            </div>`;
-        }
-        return `<div class="tree-item tree-file" data-path="${entry.path}">
-            <span class="tree-icon">${getFileIcon(entry.name)}</span>
-            <span class="tree-name">${entry.name}</span>
-        </div>`;
-    }).join('');
-
-    container.querySelectorAll('.tree-folder').forEach(el => {
-        el.querySelector('.tree-name').addEventListener('click', async () => {
-            const isCollapsed = el.classList.contains('collapsed');
-            if (isCollapsed) {
-                const dir = await listDirectory(el.dataset.path);
-                if (dir) {
-                    const childContainer = el.querySelector('.tree-children');
-                    renderTree(childContainer, dir.entries, listDirectory, onFileOpen, el.dataset.path);
-                }
-            }
-            el.classList.toggle('collapsed');
-            el.querySelector('.tree-icon').textContent = el.classList.contains('collapsed') ? '\u25B6' : '\u25BC';
-        });
-    });
-
-    container.querySelectorAll('.tree-file').forEach(el => {
-        el.addEventListener('click', () => onFileOpen(el.dataset.path));
-    });
-}
-
-function getFileIcon(filename) {
-    const ext = filename.split('.').pop().toLowerCase();
-    const icons = { md: '\u{1F4DD}', js: '\u{1F4DC}', json: '{}', html: '\u{1F310}', css: '\u{1F3A8}', py: '\u{1F40D}', pdf: '\u{1F4D5}', txt: '\u{1F4C4}' };
-    return icons[ext] || '\u{1F4C4}';
-}
-
-module.exports = { renderExplorerPanel };

src/sidebar/git-panel.js

@@ -1,84 +0,0 @@
-function renderGitPanel(container, { gitStatus, gitDiff, gitStage, gitCommit, gitLog }) {
-    container.innerHTML = `
-        <div class="git-panel">
-            <div class="git-section">
-                <h4 class="git-section-title">Changes</h4>
-                <div class="git-changes" id="git-changes">
-                    <p class="git-loading">Loading...</p>
-                </div>
-            </div>
-            <div class="git-section">
-                <h4 class="git-section-title">Commit</h4>
-                <textarea class="git-commit-input" id="git-commit-msg" placeholder="Commit message..." rows="3"></textarea>
-                <button class="git-commit-btn" id="git-commit-btn">Commit</button>
-            </div>
-            <div class="git-section">
-                <h4 class="git-section-title">Recent Commits</h4>
-                <div class="git-log" id="git-log"></div>
-            </div>
-        </div>
-    `;
-
-    loadGitStatus();
-
-    async function loadGitStatus() {
-        const status = await gitStatus();
-        const changesEl = document.getElementById('git-changes');
-        if (!status || !changesEl) return;
-
-        if (status.error) {
-            changesEl.innerHTML = `<p class="git-info">${status.error}</p>`;
-            return;
-        }
-
-        const files = [
-            ...status.modified.map(f => ({ file: f, status: 'M', color: '#f59e0b' })),
-            ...status.not_added.map(f => ({ file: f, status: '?', color: '#6b7280' })),
-            ...status.created.map(f => ({ file: f, status: 'A', color: '#10b981' })),
-            ...status.deleted.map(f => ({ file: f, status: 'D', color: '#ef4444' })),
-            ...status.staged.map(f => ({ file: f, status: 'S', color: '#3b82f6' })),
-        ];
-
-        if (files.length === 0) {
-            changesEl.innerHTML = '<p class="git-info">No changes</p>';
-        } else {
-            changesEl.innerHTML = files.map(f => `
-                <div class="git-file" data-file="${f.file}">
-                    <span class="git-file-status" style="color:${f.color}">${f.status}</span>
-                    <span class="git-file-name">${f.file}</span>
-                    <button class="git-stage-btn" data-file="${f.file}" title="Stage file">+</button>
-                </div>
-            `).join('');
-
-            changesEl.querySelectorAll('.git-stage-btn').forEach(btn => {
-                btn.addEventListener('click', async (e) => {
-                    e.stopPropagation();
-                    await gitStage([btn.dataset.file]);
-                    loadGitStatus();
-                });
-            });
-        }
-
-        // Load log
-        const log = await gitLog();
-        const logEl = document.getElementById('git-log');
-        if (log && logEl) {
-            logEl.innerHTML = (log.all || []).slice(0, 10).map(entry => `
-                <div class="git-log-entry">
-                    <div class="git-log-msg">${entry.message}</div>
-                    <div class="git-log-meta">${entry.date?.substring(0, 10) || ''} &middot; ${entry.author_name || ''}</div>
-                </div>
-            `).join('') || '<p class="git-info">No commits</p>';
-        }
-    }
-
-    document.getElementById('git-commit-btn')?.addEventListener('click', async () => {
-        const msg = document.getElementById('git-commit-msg')?.value?.trim();
-        if (!msg) return;
-        await gitCommit(msg);
-        document.getElementById('git-commit-msg').value = '';
-        loadGitStatus();
-    });
-}
-
-module.exports = { renderGitPanel };

src/sidebar/sidebar-manager.js

@@ -1,50 +0,0 @@
-class SidebarManager {
-    constructor() {
-        this.sidebar = document.getElementById('sidebar');
-        this.panelContent = document.getElementById('sidebar-panel-content');
-        this.panelTitle = document.querySelector('.sidebar-panel-title');
-        this.activePanel = null;
-        this.panels = new Map();
-        this.setupEventListeners();
-    }
-
-    setupEventListeners() {
-        document.querySelectorAll('.sidebar-icon').forEach(btn => {
-            btn.addEventListener('click', () => this.togglePanel(btn.dataset.panel));
-        });
-        document.querySelector('.sidebar-panel-close')?.addEventListener('click', () => this.collapse());
-    }
-
-    registerPanel(name, { title, render }) {
-        this.panels.set(name, { title, render });
-    }
-
-    togglePanel(name) {
-        if (this.activePanel === name) {
-            this.collapse();
-        } else {
-            this.expand(name);
-        }
-    }
-
-    expand(name) {
-        const panel = this.panels.get(name);
-        if (!panel) return;
-        this.sidebar.classList.remove('collapsed');
-        this.panelTitle.textContent = panel.title;
-        this.panelContent.innerHTML = '';
-        panel.render(this.panelContent);
-        this.activePanel = name;
-        document.querySelectorAll('.sidebar-icon').forEach(btn => {
-            btn.classList.toggle('active', btn.dataset.panel === name);
-        });
-    }
-
-    collapse() {
-        this.sidebar.classList.add('collapsed');
-        this.activePanel = null;
-        document.querySelectorAll('.sidebar-icon').forEach(btn => btn.classList.remove('active'));
-    }
-}
-
-module.exports = { SidebarManager };

src/sidebar/snippets-panel.js

@@ -1,71 +0,0 @@
-function renderSnippetsPanel(container, { getSnippets, saveSnippet, deleteSnippet, onInsert }) {
-    container.innerHTML = `
-        <div class="snippets-panel">
-            <div class="snippets-toolbar">
-                <input type="text" class="snippets-search" id="snippets-search" placeholder="Search snippets...">
-                <button class="snippets-add-btn" id="snippets-add" title="Add snippet">+</button>
-            </div>
-            <div class="snippets-list" id="snippets-list"></div>
-        </div>
-    `;
-
-    let snippets = [];
-
-    async function loadSnippets() {
-        snippets = await getSnippets() || [];
-        renderList(document.getElementById('snippets-search')?.value || '');
-    }
-
-    function renderList(query) {
-        const list = document.getElementById('snippets-list');
-        if (!list) return;
-
-        const filtered = query
-            ? snippets.filter(s => s.name.toLowerCase().includes(query.toLowerCase()) || (s.language || '').toLowerCase().includes(query.toLowerCase()))
-            : snippets;
-
-        list.innerHTML = filtered.length ? filtered.map(s => `
-            <div class="snippet-item" data-id="${s.id}">
-                <div class="snippet-header">
-                    <span class="snippet-name">${s.name}</span>
-                    <span class="snippet-lang">${s.language || 'text'}</span>
-                </div>
-                <pre class="snippet-preview"><code>${(s.code || '').substring(0, 100)}${(s.code || '').length > 100 ? '...' : ''}</code></pre>
-                <div class="snippet-actions">
-                    <button class="snippet-insert" data-id="${s.id}" title="Insert">Insert</button>
-                    <button class="snippet-delete" data-id="${s.id}" title="Delete">&times;</button>
-                </div>
-            </div>
-        `).join('') : '<p class="git-info">No snippets yet. Click + to add one.</p>';
-
-        list.querySelectorAll('.snippet-insert').forEach(btn => {
-            btn.addEventListener('click', () => {
-                const s = snippets.find(sn => sn.id === btn.dataset.id);
-                if (s) onInsert(s.code);
-            });
-        });
-
-        list.querySelectorAll('.snippet-delete').forEach(btn => {
-            btn.addEventListener('click', async () => {
-                await deleteSnippet(btn.dataset.id);
-                loadSnippets();
-            });
-        });
-    }
-
-    document.getElementById('snippets-search')?.addEventListener('input', (e) => renderList(e.target.value));
-
-    document.getElementById('snippets-add')?.addEventListener('click', () => {
-        const name = prompt('Snippet name:');
-        if (!name) return;
-        const language = prompt('Language (e.g., javascript, python, html):') || 'text';
-        const code = prompt('Paste your code snippet:');
-        if (!code) return;
-
-        saveSnippet({ id: Date.now().toString(), name, language, code }).then(() => loadSnippets());
-    });
-
-    loadSnippets();
-}
-
-module.exports = { renderSnippetsPanel };

src/sidebar/templates-panel.js

@@ -1,34 +0,0 @@
-const fs = require('fs');
-const path = require('path');
-
-const templates = [
-    { name: 'Blog Post', file: 'blog-post.md', description: 'Article with frontmatter' },
-    { name: 'Meeting Notes', file: 'meeting-notes.md', description: 'Agenda, notes, action items' },
-    { name: 'Technical Spec', file: 'technical-spec.md', description: 'Requirements and architecture' },
-    { name: 'Changelog', file: 'changelog.md', description: 'Keep a Changelog format' },
-    { name: 'README', file: 'readme.md', description: 'Project documentation' },
-    { name: 'Project Plan', file: 'project-plan.md', description: 'Goals, milestones, timeline' },
-    { name: 'API Docs', file: 'api-docs.md', description: 'API endpoint documentation' },
-    { name: 'Tutorial', file: 'tutorial.md', description: 'Step-by-step guide' },
-    { name: 'Release Notes', file: 'release-notes.md', description: 'Version release summary' },
-    { name: 'Comparison', file: 'comparison.md', description: 'Feature comparison table' },
-];
-
-function renderTemplatesPanel(container, onSelect) {
-    container.innerHTML = `
-        <div class="panel-list">
-            ${templates.map(t => `
-                <div class="panel-list-item template-item" data-file="${t.file}">
-                    <div class="panel-list-item-title">${t.name}</div>
-                    <div class="panel-list-item-desc">${t.description}</div>
-                </div>
-            `).join('')}
-        </div>
-    `;
-
-    container.querySelectorAll('.template-item').forEach(el => {
-        el.addEventListener('click', () => onSelect(el.dataset.file));
-    });
-}
-
-module.exports = { renderTemplatesPanel, templates };

src/styles-concreteinfo.css

@@ -1,969 +0,0 @@
-/**
- * ConcreteInfo Theme for MarkdownConverter
- * Based on logo palette: #464646, #9a9696, #e5461f, #e3e3e3, #0d0b09
- * Version: 3.0.0
- */
-
-/* ============================================
-   CSS Variables - ConcreteInfo Theme
-   ============================================ */
-:root {
-  /* Primary Colors from Logo Palette */
-  --ci-dark-gray: #464646;
-  --ci-medium-gray: #9a9696;
-  --ci-accent: #e5461f;
-  --ci-light-gray: #e3e3e3;
-  --ci-black: #0d0b09;
-
-  /* Extended Palette */
-  --ci-accent-hover: #c93a18;
-  --ci-accent-light: rgba(229, 70, 31, 0.1);
-  --ci-white: #ffffff;
-  --ci-bg: #f5f5f5;
-  --ci-border: #d0d0d0;
-
-  /* Semantic Colors */
-  --ci-success: #28a745;
-  --ci-warning: #ffc107;
-  --ci-danger: #dc3545;
-  --ci-info: #17a2b8;
-
-  /* Typography */
-  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
-  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
-
-  /* Spacing */
-  --spacing-xs: 4px;
-  --spacing-sm: 8px;
-  --spacing-md: 16px;
-  --spacing-lg: 24px;
-  --spacing-xl: 32px;
-
-  /* Border Radius */
-  --radius-sm: 4px;
-  --radius-md: 8px;
-  --radius-lg: 12px;
-  --radius-full: 9999px;
-
-  /* Shadows */
-  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
-  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
-  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
-  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
-
-  /* Transitions */
-  --transition-fast: 150ms ease;
-  --transition-normal: 250ms ease;
-  --transition-slow: 350ms ease;
-}
-
-/* ============================================
-   ConcreteInfo Theme Application
-   ============================================ */
-body.theme-concreteinfo {
-  background: var(--ci-bg);
-  color: var(--ci-dark-gray);
-}
-
-body.theme-concreteinfo .toolbar {
-  background: linear-gradient(135deg, var(--ci-dark-gray) 0%, var(--ci-black) 100%);
-  border-bottom: 3px solid var(--ci-accent);
-}
-
-body.theme-concreteinfo .toolbar button {
-  color: var(--ci-white);
-  background: transparent;
-  border: 1px solid transparent;
-  transition: all var(--transition-fast);
-}
-
-body.theme-concreteinfo .toolbar button:hover {
-  background: var(--ci-accent);
-  border-color: var(--ci-accent);
-  transform: translateY(-1px);
-}
-
-body.theme-concreteinfo .tab-bar {
-  background: var(--ci-dark-gray);
-  border-bottom: 2px solid var(--ci-accent);
-}
-
-body.theme-concreteinfo .tab {
-  background: var(--ci-medium-gray);
-  color: var(--ci-white);
-  border: none;
-  margin: 2px;
-  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
-  transition: all var(--transition-fast);
-}
-
-body.theme-concreteinfo .tab:hover {
-  background: var(--ci-accent-light);
-}
-
-body.theme-concreteinfo .tab.active {
-  background: var(--ci-accent);
-  color: var(--ci-white);
-}
-
-body.theme-concreteinfo .editor-textarea {
-  background: var(--ci-white);
-  color: var(--ci-black);
-  border: 1px solid var(--ci-border);
-  font-family: var(--font-mono);
-}
-
-body.theme-concreteinfo .preview-content {
-  background: var(--ci-white);
-  color: var(--ci-dark-gray);
-  border-left: 3px solid var(--ci-accent);
-}
-
-body.theme-concreteinfo .status-bar {
-  background: var(--ci-dark-gray);
-  color: var(--ci-light-gray);
-  border-top: 2px solid var(--ci-accent);
-}
-
-/* ============================================
-   Modern Modal Styles
-   ============================================ */
-.modal-overlay {
-  position: fixed;
-  top: 0;
-  left: 0;
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-
-body.theme-concrete-warm h1,
-body.theme-concrete-warm h2,
-body.theme-concrete-warm h3,
-body.theme-concrete-warm h4,
-body.theme-concrete-warm h5,
-body.theme-concrete-warm h6 {
-  color: #e5461f;
-}
-
-body.theme-concrete-warm a {
-  color: #e5461f;
-}
-
-body.theme-concrete-warm .line-numbers {
-  background: #f0ebe4;
-  color: #9a9696;
-}

src/styles-sidebar.css

@@ -1,268 +0,0 @@
-/* Sidebar */
-.main-content {
-    display: flex;
-    flex: 1;
-    overflow: hidden;
-    min-height: 0;
-}
-
-.sidebar {
-    display: flex;
-    flex-shrink: 0;
-    height: 100%;
-    transition: width 0.2s ease;
-}
-
-.sidebar.collapsed {
-    width: 48px;
-}
-
-.sidebar:not(.collapsed) {
-    width: 328px; /* 48px icons + 280px panel */
-}
-
-.sidebar-icons {
-    display: flex;
-    flex-direction: column;
-    width: 48px;
-    background: var(--gray-100, #f3f4f6);
-    border-right: 1px solid var(--gray-200, #e5e7eb);
-    padding: 8px 0;
-    gap: 4px;
-    align-items: center;
-}
-
-.sidebar-icon {
-    width: 36px;
-    height: 36px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border: none;
-    background: transparent;
-    border-radius: 8px;
-    cursor: pointer;
-    color: var(--gray-500, #6b7280);
-    transition: all 0.15s ease;
-}
-
-.sidebar-icon:hover {
-    background: var(--gray-200, #e5e7eb);
-    color: var(--gray-700, #374151);
-}
-
-.sidebar-icon.active {
-    background: var(--gray-200, #e5e7eb);
-    color: var(--primary-dark, #5661b3);
-    box-shadow: inset 3px 0 0 var(--primary-dark, #5661b3);
-}
-
-.sidebar-panel {
-    width: 280px;
-    background: var(--gray-50, #f9fafb);
-    border-right: 1px solid var(--gray-200, #e5e7eb);
-    display: flex;
-    flex-direction: column;
-    overflow: hidden;
-}
-
-.sidebar.collapsed .sidebar-panel {
-    display: none;
-}
-
-.sidebar-panel-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    padding: 12px 16px;
-    border-bottom: 1px solid var(--gray-200, #e5e7eb);
-    font-weight: 600;
-    font-size: 13px;
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
-    color: var(--gray-600, #4b5563);
-}
-
-.sidebar-panel-close {
-    background: none;
-    border: none;
-    font-size: 18px;
-    cursor: pointer;
-    color: var(--gray-400, #9ca3af);
-    padding: 0 4px;
-    border-radius: 4px;
-}
-
-.sidebar-panel-close:hover {
-    background: var(--gray-200, #e5e7eb);
-    color: var(--gray-600, #4b5563);
-}
-
-.sidebar-panel-content {
-    flex: 1;
-    overflow-y: auto;
-    padding: 12px;
-}
-
-/* Dark theme support */
-body[class*="dark"] .sidebar-icons,
-body[class*="dark"] .sidebar-panel {
-    background: #1e1e1e;
-    border-color: #333;
-}
-
-body[class*="dark"] .sidebar-icon {
-    color: #888;
-}
-
-body[class*="dark"] .sidebar-icon:hover {
-    background: #333;
-    color: #ccc;
-}
-
-body[class*="dark"] .sidebar-icon.active {
-    background: #333;
-    color: #8b9aff;
-    box-shadow: inset 3px 0 0 #8b9aff;
-}
-
-body[class*="dark"] .sidebar-panel-header {
-    border-color: #333;
-    color: #ccc;
-}
-
-/* Panel list items (templates, etc.) */
-.panel-list-item {
-    padding: 10px 12px;
-    border-radius: 6px;
-    cursor: pointer;
-    margin-bottom: 4px;
-}
-.panel-list-item:hover {
-    background: var(--gray-200, #e5e7eb);
-}
-.panel-list-item-title {
-    font-size: 13px;
-    font-weight: 500;
-    color: var(--gray-800, #1f2937);
-}
-.panel-list-item-desc {
-    font-size: 11px;
-    color: var(--gray-500, #6b7280);
-    margin-top: 2px;
-}
-
-body[class*="dark"] .panel-list-item:hover {
-    background: #333;
-}
-body[class*="dark"] .panel-list-item-title {
-    color: #ddd;
-}
-body[class*="dark"] .panel-list-item-desc {
-    color: #888;
-}
-
-/* Explorer Panel */
-.explorer-toolbar {
-    display: flex;
-    gap: 4px;
-    margin-bottom: 8px;
-}
-.explorer-path {
-    flex: 1;
-    padding: 6px 8px;
-    border: 1px solid var(--gray-300, #d1d5db);
-    border-radius: 6px;
-    font-size: 12px;
-    background: white;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-.explorer-browse-btn {
-    border: 1px solid var(--gray-300, #d1d5db);
-    border-radius: 6px;
-    background: white;
-    cursor: pointer;
-    padding: 4px 8px;
-}
-.tree-item {
-    padding: 3px 0;
-    cursor: pointer;
-    font-size: 13px;
-    user-select: none;
-}
-.tree-item:hover {
-    background: var(--gray-100, #f3f4f6);
-    border-radius: 4px;
-}
-.tree-icon {
-    margin-right: 4px;
-    font-size: 12px;
-}
-.tree-children {
-    padding-left: 16px;
-}
-.tree-folder.collapsed .tree-children {
-    display: none;
-}
-.tree-name {
-    font-size: 13px;
-}
-
-/* Git Panel */
-.git-section { margin-bottom: 16px; }
-.git-section-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-500); margin-bottom: 8px; }
-.git-file { display: flex; align-items: center; padding: 4px 6px; border-radius: 4px; font-size: 13px; gap: 6px; }
-.git-file:hover { background: var(--gray-100, #f3f4f6); }
-.git-file-status { font-weight: 700; font-family: monospace; width: 16px; text-align: center; }
-.git-file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-.git-stage-btn { border: none; background: var(--gray-200); border-radius: 4px; cursor: pointer; font-size: 14px; width: 22px; height: 22px; }
-.git-commit-input { width: 100%; padding: 8px; border: 1px solid var(--gray-300); border-radius: 6px; font-size: 13px; font-family: inherit; resize: vertical; box-sizing: border-box; }
-.git-commit-btn { width: 100%; margin-top: 8px; padding: 8px; background: var(--primary-dark, #5661b3); color: white; border: none; border-radius: 6px; font-size: 13px; cursor: pointer; }
-.git-commit-btn:hover { opacity: 0.9; }
-.git-log-entry { padding: 6px 0; border-bottom: 1px solid var(--gray-100); }
-.git-log-msg { font-size: 13px; }
-.git-log-meta { font-size: 11px; color: var(--gray-500); margin-top: 2px; }
-.git-info { font-size: 13px; color: var(--gray-500); padding: 8px 0; }
-.git-loading { font-size: 13px; color: var(--gray-400); }
-
-/* Snippets Panel */
-.snippets-toolbar { display: flex; gap: 4px; margin-bottom: 8px; }
-.snippets-search { flex: 1; padding: 6px 10px; border: 1px solid var(--gray-300); border-radius: 6px; font-size: 13px; }
-.snippets-add-btn { width: 32px; border: 1px solid var(--gray-300); border-radius: 6px; background: white; font-size: 18px; cursor: pointer; }
-.snippet-item { padding: 8px; border: 1px solid var(--gray-200); border-radius: 6px; margin-bottom: 6px; }
-.snippet-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
-.snippet-name { font-size: 13px; font-weight: 500; }
-.snippet-lang { font-size: 11px; background: var(--gray-100); padding: 2px 6px; border-radius: 4px; color: var(--gray-500); }
-.snippet-preview { font-size: 12px; background: var(--gray-50); padding: 6px; border-radius: 4px; margin: 4px 0; overflow: hidden; max-height: 60px; }
-.snippet-preview code { font-family: 'JetBrains Mono', monospace; }
-.snippet-actions { display: flex; gap: 4px; }
-.snippet-insert { font-size: 12px; padding: 4px 8px; border: 1px solid var(--gray-300); border-radius: 4px; background: white; cursor: pointer; }
-.snippet-delete { font-size: 14px; padding: 4px 8px; border: 1px solid var(--gray-300); border-radius: 4px; background: white; cursor: pointer; color: #ef4444; }
-
-/* Dark theme for sidebar panels */
-body[class*="dark"] .explorer-path,
-body[class*="dark"] .explorer-browse-btn,
-body[class*="dark"] .snippets-search,
-body[class*="dark"] .snippets-add-btn,
-body[class*="dark"] .snippet-insert,
-body[class*="dark"] .snippet-delete {
-    background: #2d2d2d;
-    border-color: #444;
-    color: #ccc;
-}
-body[class*="dark"] .git-commit-input {
-    background: #2d2d2d;
-    border-color: #444;
-    color: #ccc;
-}
-body[class*="dark"] .snippet-item {
-    border-color: #444;
-}
-body[class*="dark"] .snippet-preview {
-    background: #2d2d2d;
-}
-body[class*="dark"] .tree-item:hover,
-body[class*="dark"] .git-file:hover {
-    background: #333;
-}

src/styles-welcome.css

@@ -1,24 +0,0 @@
-.welcome-container { padding: 40px; max-width: 900px; margin: 0 auto; }
-.welcome-hero { text-align: center; margin-bottom: 40px; }
-.welcome-title { font-size: 32px; font-weight: 700; color: var(--gray-800, #1f2937); }
-.welcome-version { font-size: 14px; color: var(--primary-dark, #5661b3); margin-top: 4px; font-weight: 500; }
-.welcome-subtitle { font-size: 16px; color: var(--gray-500, #6b7280); margin-top: 8px; }
-.welcome-grid { display: grid; gap: 32px; }
-.welcome-section h2 { font-size: 18px; margin-bottom: 16px; color: var(--gray-700, #374151); }
-.welcome-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
-.welcome-card { padding: 20px; border: 1px solid var(--gray-200, #e5e7eb); border-radius: 12px; cursor: pointer; text-align: center; transition: all 0.2s; }
-.welcome-card:hover { border-color: var(--primary-dark, #5661b3); box-shadow: 0 4px 12px rgba(0,0,0,0.08); transform: translateY(-2px); }
-.welcome-card-icon { font-size: 28px; margin-bottom: 8px; }
-.welcome-card h3 { font-size: 15px; margin-bottom: 4px; }
-.welcome-card p { font-size: 13px; color: var(--gray-500); }
-.welcome-card kbd { display: inline-block; margin-top: 8px; padding: 2px 8px; background: var(--gray-100); border: 1px solid var(--gray-300); border-radius: 4px; font-size: 12px; font-family: 'JetBrains Mono', monospace; }
-.welcome-features { list-style: none; padding: 0; }
-.welcome-features li { padding: 6px 0; font-size: 14px; border-bottom: 1px solid var(--gray-100, #f3f4f6); }
-.welcome-features strong { color: var(--primary-dark, #5661b3); }
-.welcome-recent-item { padding: 8px 12px; border-radius: 6px; cursor: pointer; margin-bottom: 4px; }
-.welcome-recent-item:hover { background: var(--gray-100); }
-.welcome-recent-name { font-size: 14px; font-weight: 500; display: block; }
-.welcome-recent-path { font-size: 12px; color: var(--gray-500); display: block; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; }
-.welcome-muted { color: var(--gray-400); font-size: 14px; }
-.welcome-footer { margin-top: 32px; text-align: center; }
-.welcome-checkbox { font-size: 13px; color: var(--gray-500); cursor: pointer; }

src/table-generator.html

@@ -1,545 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Table Generator - MarkdownConverter</title>
-    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
-    <style>
-        :root {
-            --ci-dark-gray: #464646;
-            --ci-medium-gray: #9a9696;
-            --ci-accent: #e5461f;
-            --ci-light-gray: #e3e3e3;
-            --ci-black: #0d0b09;
-            --ci-white: #ffffff;
-            --ci-bg: #f5f5f5;
-        }
-
-        * {
-            margin: 0;
-            padding: 0;
-            box-sizing: border-box;
-        }
-
-        body {
-            font-family: 'Inter', system-ui, sans-serif;
-            background: var(--ci-bg);
-            color: var(--ci-dark-gray);
-            min-height: 100vh;
-            display: flex;
-            flex-direction: column;
-        }
-
-        .header {
-            background: linear-gradient(135deg, var(--ci-dark-gray) 0%, var(--ci-black) 100%);
-            padding: 16px 24px;
-            border-bottom: 3px solid var(--ci-accent);
-            display: flex;
-            align-items: center;
-            justify-content: space-between;
-        }
-
-        .header h1 {
-            color: var(--ci-white);
-            font-size: 1.25rem;
-            font-weight: 600;
-        }
-
-        .container {
-            padding: 24px;
-            flex: 1;
-            overflow: auto;
-        }
-
-        .section {
-            background: var(--ci-white);
-            border-radius: 12px;
-            padding: 20px;
-            margin-bottom: 20px;
-            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
-        }
-
-        .section-title {
-            font-weight: 600;
-            margin-bottom: 16px;
-            color: var(--ci-dark-gray);
-            font-size: 0.95rem;
-        }
-
-        .controls-row {
-            display: flex;
-            gap: 16px;
-            flex-wrap: wrap;
-            margin-bottom: 20px;
-        }
-
-        .control-group {
-            display: flex;
-            flex-direction: column;
-            gap: 6px;
-        }
-
-        .control-label {
-            font-size: 0.8rem;
-            font-weight: 500;
-            color: var(--ci-medium-gray);
-        }
-
-        .form-input, .form-select {
-            padding: 8px 12px;
-            border: 2px solid var(--ci-light-gray);
-            border-radius: 6px;
-            font-size: 0.875rem;
-            font-family: inherit;
-            transition: border-color 0.2s;
-            min-width: 100px;
-        }
-
-        .form-input:focus, .form-select:focus {
-            outline: none;
-            border-color: var(--ci-accent);
-        }
-
-        .checkbox-label {
-            display: flex;
-            align-items: center;
-            gap: 8px;
-            font-size: 0.875rem;
-            cursor: pointer;
-        }
-
-        .checkbox-label input {
-            width: 16px;
-            height: 16px;
-            accent-color: var(--ci-accent);
-        }
-
-        .table-container {
-            overflow-x: auto;
-            margin-bottom: 20px;
-        }
-
-        .editable-table {
-            width: 100%;
-            border-collapse: collapse;
-            font-size: 0.875rem;
-        }
-
-        .editable-table th,
-        .editable-table td {
-            border: 1px solid var(--ci-light-gray);
-            padding: 0;
-        }
-
-        .editable-table th {
-            background: var(--ci-dark-gray);
-            color: var(--ci-white);
-        }
-
-        .editable-table input {
-            width: 100%;
-            padding: 10px 12px;
-            border: none;
-            font-family: inherit;
-            font-size: 0.875rem;
-            background: transparent;
-        }
-
-        .editable-table input:focus {
-            outline: 2px solid var(--ci-accent);
-            outline-offset: -2px;
-            background: rgba(229, 70, 31, 0.05);
-        }
-
-        .editable-table th input {
-            color: var(--ci-white);
-            font-weight: 600;
-        }
-
-        .editable-table th input::placeholder {
-            color: rgba(255, 255, 255, 0.5);
-        }
-
-        .preview-container {
-            background: var(--ci-black);
-            border-radius: 8px;
-            padding: 16px;
-            max-height: 250px;
-            overflow: auto;
-        }
-
-        .preview-content {
-            font-family: 'JetBrains Mono', monospace;
-            font-size: 13px;
-            line-height: 1.4;
-            color: #00ff00;
-            white-space: pre;
-        }
-
-        .footer {
-            display: flex;
-            justify-content: space-between;
-            gap: 12px;
-            padding: 16px 24px;
-            background: var(--ci-white);
-            border-top: 1px solid var(--ci-light-gray);
-        }
-
-        .footer-left {
-            display: flex;
-            gap: 8px;
-        }
-
-        .footer-right {
-            display: flex;
-            gap: 12px;
-        }
-
-        .btn {
-            padding: 10px 20px;
-            border-radius: 8px;
-            font-size: 0.875rem;
-            font-weight: 500;
-            cursor: pointer;
-            transition: all 0.2s;
-            border: none;
-        }
-
-        .btn-primary {
-            background: var(--ci-accent);
-            color: var(--ci-white);
-        }
-
-        .btn-primary:hover {
-            background: #c93a18;
-            transform: translateY(-1px);
-        }
-
-        .btn-secondary {
-            background: var(--ci-light-gray);
-            color: var(--ci-dark-gray);
-        }
-
-        .btn-secondary:hover {
-            background: #d0d0d0;
-        }
-
-        .btn-outline {
-            background: transparent;
-            border: 2px solid var(--ci-accent);
-            color: var(--ci-accent);
-        }
-
-        .btn-outline:hover {
-            background: var(--ci-accent);
-            color: var(--ci-white);
-        }
-
-        .btn-sm {
-            padding: 6px 12px;
-            font-size: 0.75rem;
-        }
-
-        .quick-templates {
-            display: flex;
-            gap: 8px;
-            flex-wrap: wrap;
-        }
-
-        .template-chip {
-            padding: 6px 12px;
-            background: var(--ci-light-gray);
-            border-radius: 20px;
-            font-size: 0.75rem;
-            cursor: pointer;
-            transition: all 0.2s;
-            border: none;
-        }
-
-        .template-chip:hover {
-            background: var(--ci-accent);
-            color: var(--ci-white);
-        }
-    </style>
-</head>
-<body>
-    <div class="header">
-        <h1>Table Generator</h1>
-    </div>
-
-    <div class="container">
-        <div class="section">
-            <div class="section-title">Table Settings</div>
-            <div class="controls-row">
-                <div class="control-group">
-                    <span class="control-label">Rows</span>
-                    <input type="number" id="rows" class="form-input" min="1" max="50" value="4" style="width: 80px;">
-                </div>
-                <div class="control-group">
-                    <span class="control-label">Columns</span>
-                    <input type="number" id="cols" class="form-input" min="1" max="20" value="4" style="width: 80px;">
-                </div>
-                <div class="control-group">
-                    <span class="control-label">Alignment</span>
-                    <select id="alignment" class="form-select">
-                        <option value="left">Left</option>
-                        <option value="center">Center</option>
-                        <option value="right">Right</option>
-                    </select>
-                </div>
-                <div class="control-group" style="justify-content: flex-end;">
-                    <label class="checkbox-label">
-                        <input type="checkbox" id="has-header" checked>
-                        Include Header Row
-                    </label>
-                </div>
-            </div>
-            <div class="quick-templates">
-                <button class="template-chip" data-rows="3" data-cols="2">2-Column (3 rows)</button>
-                <button class="template-chip" data-rows="5" data-cols="3">3-Column (5 rows)</button>
-                <button class="template-chip" data-rows="4" data-cols="4">4x4 Grid</button>
-                <button class="template-chip" data-rows="10" data-cols="3">Data Table (10 rows)</button>
-                <button class="template-chip" data-rows="2" data-cols="5">Wide Table</button>
-            </div>
-        </div>
-
-        <div class="section">
-            <div class="section-title">Edit Table Content</div>
-            <div class="table-container">
-                <table class="editable-table" id="editable-table">
-                    <!-- Generated dynamically -->
-                </table>
-            </div>
-        </div>
-
-        <div class="section">
-            <div class="section-title">Markdown Preview</div>
-            <div class="preview-container">
-                <div id="preview" class="preview-content"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="footer">
-        <div class="footer-left">
-            <button class="btn btn-secondary btn-sm" id="btn-clear">Clear All</button>
-            <button class="btn btn-outline btn-sm" id="btn-fill-sample">Fill Sample Data</button>
-        </div>
-        <div class="footer-right">
-            <button class="btn btn-secondary" id="btn-copy">Copy Markdown</button>
-            <button class="btn btn-primary" id="btn-insert">Insert to Editor</button>
-        </div>
-    </div>
-
-    <script>
-        let currentRows = 4;
-        let currentCols = 4;
-        let hasHeader = true;
-        let alignment = 'left';
-
-        // Generate the editable table
-        function generateEditableTable() {
-            const table = document.getElementById('editable-table');
-            hasHeader = document.getElementById('has-header').checked;
-            alignment = document.getElementById('alignment').value;
-
-            let html = '';
-
-            for (let i = 0; i < currentRows; i++) {
-                html += '<tr>';
-                for (let j = 0; j < currentCols; j++) {
-                    const isHeader = hasHeader && i === 0;
-                    const tag = isHeader ? 'th' : 'td';
-                    const placeholder = isHeader ? `Header ${j + 1}` : `Cell ${i},${j + 1}`;
-                    html += `<${tag}><input type="text" data-row="${i}" data-col="${j}" placeholder="${placeholder}"></${tag}>`;
-                }
-                html += '</tr>';
-            }
-
-            table.innerHTML = html;
-
-            // Add event listeners for live preview
-            table.querySelectorAll('input').forEach(input => {
-                input.addEventListener('input', updatePreview);
-            });
-
-            updatePreview();
-        }
-
-        // Get table data
-        function getTableData() {
-            const data = [];
-            for (let i = 0; i < currentRows; i++) {
-                const row = [];
-                for (let j = 0; j < currentCols; j++) {
-                    const input = document.querySelector(`input[data-row="${i}"][data-col="${j}"]`);
-                    row.push(input ? input.value || '' : '');
-                }
-                data.push(row);
-            }
-            return data;
-        }
-
-        // Generate markdown table
-        function generateMarkdown(data) {
-            if (data.length === 0 || data[0].length === 0) return '';
-
-            // Calculate column widths
-            const colWidths = [];
-            for (let j = 0; j < data[0].length; j++) {
-                let maxWidth = 3; // Minimum width for separator
-                for (let i = 0; i < data.length; i++) {
-                    maxWidth = Math.max(maxWidth, (data[i][j] || '').length);
-                }
-                colWidths.push(maxWidth);
-            }
-
-            // Generate alignment function
-            const alignCell = (text, width) => {
-                text = text || '';
-                const padding = width - text.length;
-                if (alignment === 'center') {
-                    const left = Math.floor(padding / 2);
-                    const right = padding - left;
-                    return ' '.repeat(left) + text + ' '.repeat(right);
-                } else if (alignment === 'right') {
-                    return ' '.repeat(padding) + text;
-                }
-                return text + ' '.repeat(padding);
-            };
-
-            // Generate separator based on alignment
-            const getSeparator = (width) => {
-                if (alignment === 'center') {
-                    return ':' + '-'.repeat(width - 2) + ':';
-                } else if (alignment === 'right') {
-                    return '-'.repeat(width - 1) + ':';
-                }
-                return '-'.repeat(width);
-            };
-
-            let markdown = '';
-            const startRow = hasHeader ? 0 : -1;
-
-            for (let i = startRow; i < data.length; i++) {
-                if (i === -1) {
-                    // Generate empty header for tables without header
-                    markdown += '| ' + colWidths.map(w => ' '.repeat(w)).join(' | ') + ' |\n';
-                } else {
-                    const row = data[i];
-                    const cells = row.map((cell, j) => alignCell(cell, colWidths[j]));
-                    markdown += '| ' + cells.join(' | ') + ' |\n';
-                }
-
-                // Add separator after first row
-                if ((hasHeader && i === 0) || (!hasHeader && i === -1)) {
-                    const separators = colWidths.map(w => getSeparator(w));
-                    markdown += '| ' + separators.join(' | ') + ' |\n';
-                }
-            }
-
-            return markdown;
-        }
-
-        // Update preview
-        function updatePreview() {
-            const data = getTableData();
-            const markdown = generateMarkdown(data);
-            document.getElementById('preview').textContent = markdown;
-        }
-
-        // Event listeners
-        document.getElementById('rows').addEventListener('change', (e) => {
-            currentRows = parseInt(e.target.value) || 4;
-            generateEditableTable();
-        });
-
-        document.getElementById('cols').addEventListener('change', (e) => {
-            currentCols = parseInt(e.target.value) || 4;
-            generateEditableTable();
-        });
-
-        document.getElementById('alignment').addEventListener('change', () => {
-            updatePreview();
-        });
-
-        document.getElementById('has-header').addEventListener('change', () => {
-            generateEditableTable();
-        });
-
-        // Quick templates
-        document.querySelectorAll('.template-chip').forEach(chip => {
-            chip.addEventListener('click', () => {
-                currentRows = parseInt(chip.dataset.rows);
-                currentCols = parseInt(chip.dataset.cols);
-                document.getElementById('rows').value = currentRows;
-                document.getElementById('cols').value = currentCols;
-                generateEditableTable();
-            });
-        });
-
-        // Clear all
-        document.getElementById('btn-clear').addEventListener('click', () => {
-            document.querySelectorAll('#editable-table input').forEach(input => {
-                input.value = '';
-            });
-            updatePreview();
-        });
-
-        // Fill sample data
-        document.getElementById('btn-fill-sample').addEventListener('click', () => {
-            const sampleHeaders = ['Name', 'Description', 'Status', 'Priority', 'Due Date'];
-            const sampleData = [
-                ['Task 1', 'First task description', 'In Progress', 'High', '2024-01-15'],
-                ['Task 2', 'Second task description', 'Completed', 'Medium', '2024-01-10'],
-                ['Task 3', 'Third task description', 'Pending', 'Low', '2024-01-20'],
-                ['Task 4', 'Fourth task description', 'In Review', 'High', '2024-01-18']
-            ];
-
-            for (let i = 0; i < currentRows; i++) {
-                for (let j = 0; j < currentCols; j++) {
-                    const input = document.querySelector(`input[data-row="${i}"][data-col="${j}"]`);
-                    if (input) {
-                        if (hasHeader && i === 0) {
-                            input.value = sampleHeaders[j % sampleHeaders.length];
-                        } else {
-                            const dataRow = hasHeader ? i - 1 : i;
-                            if (dataRow < sampleData.length && j < sampleData[dataRow].length) {
-                                input.value = sampleData[dataRow][j];
-                            } else {
-                                input.value = `Data ${i}-${j + 1}`;
-                            }
-                        }
-                    }
-                }
-            }
-            updatePreview();
-        });
-
-        // Copy markdown
-        document.getElementById('btn-copy').addEventListener('click', () => {
-            const markdown = document.getElementById('preview').textContent;
-            navigator.clipboard.writeText(markdown).then(() => {
-                const btn = document.getElementById('btn-copy');
-                btn.textContent = 'Copied!';
-                setTimeout(() => {
-                    btn.textContent = 'Copy Markdown';
-                }, 2000);
-            });
-        });
-
-        // Insert to editor
-        document.getElementById('btn-insert').addEventListener('click', () => {
-            const content = document.getElementById('preview').textContent;
-            if (content && window.electronAPI) {
-                window.electronAPI.send('insert-generated-content', '\n' + content + '\n');
-                window.close();
-            }
-        });
-
-        // Initialize
-        generateEditableTable();
-    </script>
-</body>
-</html>

src/templates/api-docs.md

@@ -1,90 +0,0 @@
-# API Documentation
-
-**Base URL:** `https://api.example.com/v1`
-**Version:** 1.0
-**Date:** {{DATE}}
-
-## Authentication
-
-All requests require an API key in the header:
-
-```
-Authorization: Bearer YOUR_API_KEY
-```
-
-## Endpoints
-
-### Get All Resources
-
-```
-GET /resources
-```
-
-**Query Parameters:**
-
-| Parameter | Type | Required | Description |
-|-----------|------|----------|-------------|
-| page | integer | No | Page number (default: 1) |
-| limit | integer | No | Items per page (default: 20) |
-
-**Response:**
-
-```json
-{
-  "data": [],
-  "total": 0,
-  "page": 1
-}
-```
-
-### Get Resource by ID
-
-```
-GET /resources/:id
-```
-
-**Response:**
-
-```json
-{
-  "id": "1",
-  "name": "Resource name",
-  "created_at": "2024-01-01T00:00:00Z"
-}
-```
-
-### Create Resource
-
-```
-POST /resources
-```
-
-**Request Body:**
-
-```json
-{
-  "name": "New resource",
-  "description": "Description"
-}
-```
-
-### Update Resource
-
-```
-PUT /resources/:id
-```
-
-### Delete Resource
-
-```
-DELETE /resources/:id
-```
-
-## Error Codes
-
-| Code | Description |
-|------|-------------|
-| 400 | Bad Request |
-| 401 | Unauthorized |
-| 404 | Not Found |
-| 500 | Internal Server Error |

src/templates/blog-post.md

@@ -1,20 +0,0 @@
----
-title: Blog Post Title
-date: {{DATE}}
-author: Your Name
-tags: []
----
-
-# Blog Post Title
-
-## Introduction
-
-Write your introduction here.
-
-## Main Content
-
-Your main content goes here.
-
-## Conclusion
-
-Wrap up your thoughts.

src/templates/changelog.md

@@ -1,20 +0,0 @@
-# Changelog
-
-## [Unreleased]
-
-### Added
-- New feature
-
-### Changed
-- Updated feature
-
-### Fixed
-- Bug fix
-
-### Removed
-- Removed feature
-
-## [1.0.0] - {{DATE}}
-
-### Added
-- Initial release

src/templates/comparison.md

@@ -1,59 +0,0 @@
-# Comparison: [Option A] vs [Option B]
-
-**Date:** {{DATE}}
-**Author:** Your Name
-
-## Overview
-
-Brief description of what is being compared and why.
-
-## Feature Comparison
-
-| Feature | Option A | Option B |
-|---------|----------|----------|
-| Feature 1 | Yes | Yes |
-| Feature 2 | Yes | No |
-| Feature 3 | No | Yes |
-| Feature 4 | Partial | Yes |
-
-## Pricing
-
-| Plan | Option A | Option B |
-|------|----------|----------|
-| Free | Limited | Limited |
-| Pro | $10/mo | $15/mo |
-| Enterprise | Custom | Custom |
-
-## Pros and Cons
-
-### Option A
-
-**Pros:**
-- Pro 1
-- Pro 2
-
-**Cons:**
-- Con 1
-- Con 2
-
-### Option B
-
-**Pros:**
-- Pro 1
-- Pro 2
-
-**Cons:**
-- Con 1
-- Con 2
-
-## Performance
-
-| Metric | Option A | Option B |
-|--------|----------|----------|
-| Speed | Fast | Moderate |
-| Memory | Low | Medium |
-| Scalability | Good | Excellent |
-
-## Recommendation
-
-Based on the analysis above, [Option A/B] is recommended for [use case] because [reason].

src/templates/meeting-notes.md

@@ -1,26 +0,0 @@
-# Meeting Notes
-
-**Date:** {{DATE}}
-**Attendees:**
-- Name 1
-- Name 2
-
-## Agenda
-
-1. Topic 1
-2. Topic 2
-
-## Discussion
-
-### Topic 1
-
-Notes here.
-
-## Action Items
-
-- [ ] Action item 1 — Owner — Due date
-- [ ] Action item 2 — Owner — Due date
-
-## Next Meeting
-
-Date: TBD

src/templates/project-plan.md

@@ -1,54 +0,0 @@
-# Project Plan: [Project Name]
-
-**Date:** {{DATE}}
-**Project Lead:** Your Name
-**Status:** Planning
-
-## Goals
-
-1. Primary goal
-2. Secondary goal
-
-## Scope
-
-### In Scope
-- Item 1
-- Item 2
-
-### Out of Scope
-- Item 1
-
-## Milestones
-
-| Milestone | Target Date | Status |
-|-----------|-------------|--------|
-| Kickoff | {{DATE}} | Not Started |
-| MVP | TBD | Not Started |
-| Launch | TBD | Not Started |
-
-## Resources
-
-| Role | Person | Allocation |
-|------|--------|------------|
-| Lead | Name | 100% |
-| Developer | Name | 50% |
-
-## Risks
-
-| Risk | Impact | Likelihood | Mitigation |
-|------|--------|------------|------------|
-| Risk 1 | High | Medium | Plan |
-
-## Timeline
-
-### Phase 1: Planning
-- [ ] Define requirements
-- [ ] Create design documents
-
-### Phase 2: Development
-- [ ] Implement core features
-- [ ] Write tests
-
-### Phase 3: Launch
-- [ ] Deploy to production
-- [ ] Monitor and iterate

src/templates/readme.md

@@ -1,38 +0,0 @@
-# Project Name
-
-Brief description of the project.
-
-## Features
-
-- Feature 1
-- Feature 2
-
-## Installation
-
-```bash
-npm install project-name
-```
-
-## Usage
-
-```javascript
-const project = require('project-name');
-```
-
-## Configuration
-
-| Option | Default | Description |
-|--------|---------|-------------|
-| option1 | true | Description |
-
-## Contributing
-
-1. Fork the repository
-2. Create your feature branch
-3. Commit your changes
-4. Push to the branch
-5. Open a Pull Request
-
-## License
-
-MIT

src/templates/release-notes.md

@@ -1,42 +0,0 @@
-# Release Notes - v1.0.0
-
-**Release Date:** {{DATE}}
-
-## Highlights
-
-Brief summary of the most important changes in this release.
-
-## New Features
-
-- **Feature 1:** Description of the new feature
-- **Feature 2:** Description of the new feature
-
-## Improvements
-
-- Improved performance of feature X
-- Updated dependency Y to version Z
-
-## Bug Fixes
-
-- Fixed issue where X would cause Y (#123)
-- Resolved crash when performing Z (#456)
-
-## Breaking Changes
-
-- Changed API endpoint from `/old` to `/new`
-- Removed deprecated method `oldMethod()`
-
-## Migration Guide
-
-### From v0.9.x to v1.0.0
-
-1. Update configuration file format
-2. Replace deprecated API calls
-
-## Known Issues
-
-- Issue description (#789)
-
-## Contributors
-
-Thanks to everyone who contributed to this release.

src/templates/technical-spec.md

@@ -1,42 +0,0 @@
-# Technical Specification: [Feature Name]
-
-**Version:** 1.0
-**Date:** {{DATE}}
-**Author:** Your Name
-**Status:** Draft
-
-## Overview
-
-Brief description of what this feature does.
-
-## Requirements
-
-### Functional Requirements
-1. Requirement 1
-2. Requirement 2
-
-### Non-Functional Requirements
-1. Performance requirement
-2. Security requirement
-
-## Architecture
-
-Describe the technical approach.
-
-## API Design
-
-### Endpoints
-
-| Method | Path | Description |
-|--------|------|-------------|
-| GET | /api/resource | Get resource |
-
-## Testing Strategy
-
-Describe how this will be tested.
-
-## Timeline
-
-| Phase | Duration | Deliverables |
-|-------|----------|-------------|
-| Phase 1 | 1 week | Core implementation |

src/templates/tutorial.md

@@ -1,71 +0,0 @@
-# Tutorial: [Topic Name]
-
-**Date:** {{DATE}}
-**Difficulty:** Beginner / Intermediate / Advanced
-**Time:** ~30 minutes
-
-## Prerequisites
-
-- Prerequisite 1
-- Prerequisite 2
-
-## What You Will Learn
-
-- Learning objective 1
-- Learning objective 2
-
-## Step 1: Getting Started
-
-Description of the first step.
-
-```bash
-# Example command
-echo "Hello, World!"
-```
-
-## Step 2: Core Concepts
-
-Explain the main concepts here.
-
-### Key Concept A
-
-Details about concept A.
-
-### Key Concept B
-
-Details about concept B.
-
-## Step 3: Building the Feature
-
-Walk through the implementation.
-
-```javascript
-// Example code
-function example() {
-    return 'Hello';
-}
-```
-
-## Step 4: Testing
-
-How to verify everything works.
-
-## Common Issues
-
-### Issue 1
-**Problem:** Description of the problem.
-**Solution:** How to fix it.
-
-### Issue 2
-**Problem:** Description of the problem.
-**Solution:** How to fix it.
-
-## Next Steps
-
-- Suggested follow-up 1
-- Suggested follow-up 2
-
-## Resources
-
-- [Resource 1](https://example.com)
-- [Resource 2](https://example.com)

src/welcome.js

@@ -1,78 +0,0 @@
-function createWelcomeContent(recentFiles = []) {
-    const recentHtml = recentFiles.length
-        ? recentFiles.map(f => {
-            const name = f.split(/[/\\]/).pop();
-            return `<div class="welcome-recent-item" data-path="${f}"><span class="welcome-recent-name">${name}</span><span class="welcome-recent-path">${f}</span></div>`;
-        }).join('')
-        : '<p class="welcome-muted">No recent files</p>';
-
-    return `
-    <div class="welcome-container">
-        <div class="welcome-hero">
-            <h1 class="welcome-title">MarkdownConverter</h1>
-            <p class="welcome-version">Version 4.0.0</p>
-            <p class="welcome-subtitle">Professional Markdown Editor & Universal Document Converter</p>
-        </div>
-
-        <div class="welcome-grid">
-            <div class="welcome-section">
-                <h2>Quick Start</h2>
-                <div class="welcome-cards">
-                    <div class="welcome-card" data-action="new-file">
-                        <div class="welcome-card-icon">+</div>
-                        <h3>New Document</h3>
-                        <p>Create a blank document</p>
-                        <kbd>Ctrl+N</kbd>
-                    </div>
-                    <div class="welcome-card" data-action="open-file">
-                        <div class="welcome-card-icon">&#128194;</div>
-                        <h3>Open File</h3>
-                        <p>Open an existing file</p>
-                        <kbd>Ctrl+O</kbd>
-                    </div>
-                    <div class="welcome-card" data-action="open-template">
-                        <div class="welcome-card-icon">&#128203;</div>
-                        <h3>From Template</h3>
-                        <p>Start from a template</p>
-                    </div>
-                    <div class="welcome-card" data-action="command-palette">
-                        <div class="welcome-card-icon">&#8984;</div>
-                        <h3>Command Palette</h3>
-                        <p>Search all actions</p>
-                        <kbd>Ctrl+Shift+P</kbd>
-                    </div>
-                </div>
-            </div>
-
-            <div class="welcome-section">
-                <h2>What's New in v4.0.0</h2>
-                <ul class="welcome-features">
-                    <li><strong>CodeMirror Editor</strong> — Syntax highlighting, code folding, multiple cursors</li>
-                    <li><strong>Sidebar Panels</strong> — File Explorer, Git, Snippets, Templates</li>
-                    <li><strong>Command Palette</strong> — Quick access to all actions</li>
-                    <li><strong>Code Execution</strong> — Run JS, Python, Bash from code blocks</li>
-                    <li><strong>Print Preview</strong> — Full print customization dialog</li>
-                    <li><strong>New Formats</strong> — Reveal.js, YAML, JSON, Confluence, and more</li>
-                    <li><strong>Spell Checking</strong> — System dictionary with suggestions</li>
-                    <li><strong>Markdown Extensions</strong> — Footnotes, admonitions, TOC</li>
-                    <li><strong>Image Handling</strong> — Paste and drag-drop images</li>
-                    <li><strong>PlantUML</strong> — Diagram rendering in preview</li>
-                </ul>
-            </div>
-
-            <div class="welcome-section">
-                <h2>Recent Files</h2>
-                <div class="welcome-recent">${recentHtml}</div>
-            </div>
-        </div>
-
-        <div class="welcome-footer">
-            <label class="welcome-checkbox">
-                <input type="checkbox" id="show-welcome-startup" checked>
-                Show this tab on startup
-            </label>
-        </div>
-    </div>`;
-}
-
-module.exports = { createWelcomeContent };

src/wordTemplateExporter.js

@@ -1,743 +0,0 @@
-/**
- * Word Template Exporter
- * Loads word_template.docx, preserves first 2 pages (cover + TOC),
- * and adds markdown content starting from page 3 using template styles
- */
-
-const fs = require('fs');
-const path = require('path');
-const PizZip = require('pizzip');
-const Docx = require('docx4js').default;
-
-class WordTemplateExporter {
-    constructor(templatePath, startPage = 3, pageSettings = null) {
-        this.templatePath = templatePath || path.join(__dirname, '../word_template.docx');
-        this.startPage = startPage; // Which page to start inserting content
-        this.pageSettings = pageSettings; // Page size and orientation settings
-    }
-
-    /**
-     * Convert markdown to Word document using template
-     */
-    async convert(markdownContent, outputPath) {
-        try {
-            // Load template
-            const templateBuffer = fs.readFileSync(this.templatePath);
-            const zip = new PizZip(templateBuffer);
-
-            // Extract document.xml
-            let documentXml = zip.file('word/document.xml').asText();
-
-            // Set page size if settings provided
-            if (this.pageSettings) {
-                documentXml = this.setPageSize(documentXml);
-            }
-
-            // Parse markdown and generate Word XML
-            const newContentXml = this.markdownToWordXml(markdownContent);
-
-            // Insert new content after the specified start page
-            const modifiedXml = this.insertContentAfterPage(documentXml, newContentXml, this.startPage);
-
-            // Update the zip with modified XML
-            zip.file('word/document.xml', modifiedXml);
-
-            // Generate and save the new document
-            const newDocBuffer = zip.generate({ type: 'nodebuffer' });
-            fs.writeFileSync(outputPath, newDocBuffer);
-
-            return outputPath;
-        } catch (error) {
-            console.error('Error in Word export:', error);
-            throw error;
-        }
-    }
-
-    /**
-     * Set page size in document XML
-     */
-    setPageSize(documentXml) {
-        // Import PAGE_SIZES from main process (need to pass as parameter)
-        const PAGE_SIZES = {
-            a4: { width: 11906, height: 16838 },
-            a3: { width: 16838, height: 23811 },
-            a5: { width: 8391, height: 11906 },
-            b4: { width: 14170, height: 20015 },
-            b5: { width: 9979, height: 14170 },
-            letter: { width: 12240, height: 15840 },
-            legal: { width: 12240, height: 20160 },
-            tabloid: { width: 15840, height: 24480 }
-        };
-
-        let width, height;
-        const pageSize = PAGE_SIZES[this.pageSettings.size];
-
-        if (pageSize) {
-            width = pageSize.width;
-            height = pageSize.height;
-        } else {
-            // Default to A4
-            width = 11906;
-            height = 16838;
-        }
-
-        // Swap dimensions for landscape
-        if (this.pageSettings.orientation === 'landscape') {
-            [width, height] = [height, width];
-        }
-
-        // Update all <w:pgSz> elements in section properties
-        const pgSzRegex = /<w:pgSz[^>]*\/>/g;
-        let modifiedXml = documentXml.replace(pgSzRegex, () => {
-            return `<w:pgSz w:w="${width}" w:h="${height}" w:orient="${this.pageSettings.orientation}"/>`;
-        });
-
-        // If no pgSz found, add it to all sectPr elements
-        if (!pgSzRegex.test(documentXml)) {
-            const sectPrRegex = /<w:sectPr[^>]*>/g;
-            modifiedXml = modifiedXml.replace(sectPrRegex, (match) => {
-                return `${match}<w:pgSz w:w="${width}" w:h="${height}" w:orient="${this.pageSettings.orientation}"/>`;
-            });
-        }
-
-        return modifiedXml;
-    }
-
-    /**
-     * Insert markdown content after the specified page in the document
-     * @param {string} documentXml - The document XML
-     * @param {string} newContentXml - The new content to insert
-     * @param {number} afterPage - Insert content after this page number (1-based)
-     */
-    insertContentAfterPage(documentXml, newContentXml, afterPage) {
-        // Find section breaks that mark page boundaries
-        // Look for the section properties tag that marks page breaks
-        const sectionBreakRegex = /<w:sectPr[^>]*>[\s\S]*?<\/w:sectPr>/g;
-        const matches = [...documentXml.matchAll(sectionBreakRegex)];
-
-        // Calculate which section break to insert after
-        // Page 1 = before 1st section break
-        // Page 2 = after 1st section break
-        // Page 3 = after 2nd section break, etc.
-        const sectionIndex = afterPage - 1;
-
-        if (matches.length >= sectionIndex && sectionIndex > 0) {
-            // Insert after the specified section break
-            const insertPoint = matches[sectionIndex - 1].index + matches[sectionIndex - 1][0].length;
-            return documentXml.slice(0, insertPoint) + newContentXml + documentXml.slice(insertPoint);
-        } else if (afterPage === 1 || matches.length === 0) {
-            // Insert at the beginning (after <w:body>) or if no section breaks found
-            const bodyStart = documentXml.indexOf('<w:body>') + 8;
-            return documentXml.slice(0, bodyStart) + newContentXml + documentXml.slice(bodyStart);
-        } else {
-            // If not enough section breaks, insert before closing body tag
-            return documentXml.replace('</w:body>', newContentXml + '</w:body>');
-        }
-    }
-
-    /**
-     * Convert markdown to Word XML format
-     */
-    markdownToWordXml(markdown) {
-        const lines = markdown.split('\n');
-        let xml = '';
-        let inCodeBlock = false;
-        let codeLines = [];
-
-        for (let i = 0; i < lines.length; i++) {
-            const line = lines[i];
-
-            // Handle code blocks
-            if (line.trim().startsWith('```')) {
-                if (inCodeBlock) {
-                    // End code block
-                    xml += this.createCodeBlockXml(codeLines.join('\n'));
-                    codeLines = [];
-                    inCodeBlock = false;
-                } else {
-                    inCodeBlock = true;
-                }
-                continue;
-            }
-
-            if (inCodeBlock) {
-                codeLines.push(line);
-                continue;
-            }
-
-            // Empty lines
-            if (!line.trim()) {
-                xml += '<w:p><w:pPr></w:pPr></w:p>';
-                continue;
-            }
-
-            // Tables - detect table lines
-            if (line.includes('|') && line.trim().startsWith('|')) {
-                const tableLines = [line];
-                i++;
-                // Collect all consecutive table lines
-                while (i < lines.length && lines[i].includes('|')) {
-                    tableLines.push(lines[i]);
-                    i++;
-                }
-                i--; // Back up one line
-                xml += this.createTableXml(tableLines);
-                continue;
-            }
-
-            // ASCII flowcharts/diagrams - detect box drawing characters
-            if (this.isAsciiArt(line)) {
-                const asciiLines = [line];
-                i++;
-                // Collect all consecutive ASCII art lines
-                while (i < lines.length && (this.isAsciiArt(lines[i]) || !lines[i].trim())) {
-                    asciiLines.push(lines[i]);
-                    i++;
-                    if (i < lines.length && lines[i].trim() && !this.isAsciiArt(lines[i])) {
-                        break;
-                    }
-                }
-                i--; // Back up one line
-                xml += this.createAsciiArtXml(asciiLines.join('\n'));
-                continue;
-            }
-
-            // Headings - strip markdown numbering
-            if (line.trim().startsWith('#')) {
-                const level = (line.match(/^#+/) || [''])[0].length;
-                let text = line.replace(/^#+\s*/, '').trim();
-                // Remove markdown numbering like "1.1 Title" -> "Title"
-                text = text.replace(/^\d+(\.\d+)*\.?\s+/, '');
-                xml += this.createHeadingXml(text, level);
-                continue;
-            }
-
-            // Blockquotes
-            if (line.trim().startsWith('>')) {
-                const text = line.replace(/^>\s*/, '').trim();
-                xml += this.createQuoteXml(text);
-                continue;
-            }
-
-            // Ordered lists - strip markdown numbering, use template numbering
-            if (/^\s*\d+\.\s+/.test(line)) {
-                const text = line.replace(/^\s*\d+\.\s+/, '');
-                xml += this.createListItemXml(text, true);
-                continue;
-            }
-
-            // Unordered lists
-            if (/^\s*[-*+]\s+/.test(line)) {
-                const text = line.replace(/^\s*[-*+]\s+/, '');
-                xml += this.createListItemXml(text, false);
-                continue;
-            }
-
-            // Horizontal rule
-            if (/^[-*_]{3,}$/.test(line.trim())) {
-                xml += this.createHorizontalRuleXml();
-                continue;
-            }
-
-            // Normal paragraph
-            xml += this.createParagraphXml(line);
-        }
-
-        return xml;
-    }
-
-    /**
-     * Create heading XML using template styles
-     */
-    createHeadingXml(text, level) {
-        const styleName = `Heading${level}`;
-        const runs = this.parseInlineFormatting(text);
-
-        return `<w:p>
-            <w:pPr>
-                <w:pStyle w:val="${styleName}"/>
-            </w:pPr>
-            ${runs}
-        </w:p>`;
-    }
-
-    /**
-     * Create paragraph XML with Normal style
-     */
-    createParagraphXml(text) {
-        const runs = this.parseInlineFormatting(text);
-
-        return `<w:p>
-            <w:pPr>
-                <w:pStyle w:val="Normal"/>
-            </w:pPr>
-            ${runs}
-        </w:p>`;
-    }
-
-    /**
-     * Create quote XML
-     */
-    createQuoteXml(text) {
-        const runs = this.parseInlineFormatting(text);
-
-        return `<w:p>
-            <w:pPr>
-                <w:pStyle w:val="Quote"/>
-            </w:pPr>
-            ${runs}
-        </w:p>`;
-    }
-
-    /**
-     * Create list item XML using template numbering
-     */
-    createListItemXml(text, numbered) {
-        const runs = this.parseInlineFormatting(text);
-        const numId = numbered ? '1' : '2'; // Template numbering IDs
-
-        return `<w:p>
-            <w:pPr>
-                <w:pStyle w:val="${numbered ? 'ListNumber' : 'ListBullet'}"/>
-                <w:numPr>
-                    <w:ilvl w:val="0"/>
-                    <w:numId w:val="${numId}"/>
-                </w:numPr>
-            </w:pPr>
-            ${runs}
-        </w:p>`;
-    }
-
-    /**
-     * Create code block XML - renders each line as separate paragraph
-     * to preserve exact formatting like in preview (monospace, no wrapping)
-     * Background shading applied at paragraph level to extend full width
-     */
-    createCodeBlockXml(code) {
-        const lines = code.split('\n');
-        let xml = '';
-
-        lines.forEach((line, index) => {
-            const escapedLine = this.escapeXml(line);
-
-            // Each line gets its own paragraph with exact spacing and no wrapping
-            // Shading (shd) is at paragraph level so background extends full width
-            xml += `<w:p>
-                <w:pPr>
-                    <w:pStyle w:val="Normal"/>
-                    <w:shd w:val="clear" w:color="auto" w:fill="F5F5F5"/>
-                    <w:spacing w:before="${index === 0 ? '120' : '0'}" w:after="${index === lines.length - 1 ? '120' : '0'}" w:line="240" w:lineRule="exact"/>
-                    <w:ind w:left="284" w:right="284"/>
-                    <w:jc w:val="left"/>
-                    <w:keepLines/>
-                    <w:wordWrap w:val="0"/>
-                </w:pPr>
-                <w:r>
-                    <w:rPr>
-                        <w:rFonts w:ascii="Consolas" w:hAnsi="Consolas" w:cs="Consolas"/>
-                        <w:sz w:val="18"/>
-                        <w:szCs w:val="18"/>
-                        <w:noProof/>
-                    </w:rPr>
-                    <w:t xml:space="preserve">${escapedLine}</w:t>
-                </w:r>
-            </w:p>`;
-        });
-
-        return xml;
-    }
-
-    /**
-     * Create horizontal rule XML
-     */
-    createHorizontalRuleXml() {
-        return `<w:p>
-            <w:pPr>
-                <w:pBdr>
-                    <w:bottom w:val="single" w:sz="6" w:space="1" w:color="auto"/>
-                </w:pBdr>
-            </w:pPr>
-        </w:p>`;
-    }
-
-    /**
-     * Create table XML from markdown table lines with template styling
-     * Uses full-width tables with equal column distribution matching template style
-     */
-    createTableXml(tableLines) {
-        // Parse table
-        const rows = [];
-        for (const line of tableLines) {
-            // Skip separator lines (e.g., |---|---|)
-            if (/^\s*\|[\s\-:]+\|\s*$/.test(line)) {
-                continue;
-            }
-            // Split by | and trim
-            const cells = line.split('|').filter(cell => cell.trim()).map(cell => cell.trim());
-            if (cells.length > 0) {
-                rows.push(cells);
-            }
-        }
-
-        if (rows.length === 0) return '';
-
-        // Calculate number of columns
-        const numCols = Math.max(...rows.map(row => row.length));
-
-        // Calculate column width in twips (1440 twips = 1 inch)
-        // Assume standard page width of 9360 twips (6.5 inches usable)
-        const totalTableWidth = 9360;
-        const colWidth = Math.floor(totalTableWidth / numCols);
-
-        // Build table XML
-        let tableXml = '<w:tbl>';
-
-        // Table properties - use template table style with full width
-        tableXml += `<w:tblPr>
-            <w:tblStyle w:val="TableGrid"/>
-            <w:tblW w:w="0" w:type="auto"/>
-            <w:tblLayout w:type="fixed"/>
-            <w:tblLook w:val="04A0" w:firstRow="1" w:lastRow="0" w:firstColumn="0" w:lastColumn="0" w:noHBand="0" w:noVBand="1"/>
-            <w:tblBorders>
-                <w:top w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-                <w:left w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-                <w:bottom w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-                <w:right w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-                <w:insideH w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-                <w:insideV w:val="single" w:sz="8" w:space="0" w:color="F58220"/>
-            </w:tblBorders>
-        </w:tblPr>`;
-
-        // Table grid with explicit column widths
-        tableXml += '<w:tblGrid>';
-        for (let i = 0; i < numCols; i++) {
-            tableXml += `<w:gridCol w:w="${colWidth}"/>`;
-        }
-        tableXml += '</w:tblGrid>';
-
-        // Table rows
-        rows.forEach((rowCells, rowIndex) => {
-            const isHeader = rowIndex === 0;
-
-            tableXml += '<w:tr>';
-
-            // Row properties for consistent height
-            tableXml += '<w:trPr><w:trHeight w:val="0" w:hRule="atLeast"/></w:trPr>';
-
-            // Pad row to have same number of columns
-            while (rowCells.length < numCols) {
-                rowCells.push('');
-            }
-
-            rowCells.forEach((cellText, colIndex) => {
-                tableXml += '<w:tc>';
-                tableXml += '<w:tcPr>';
-
-                // Cell width
-                tableXml += `<w:tcW w:w="${colWidth}" w:type="dxa"/>`;
-
-                // Cell shading - orange for header, white for data rows
-                if (isHeader) {
-                    tableXml += '<w:shd w:val="clear" w:color="auto" w:fill="F58220"/>';
-                } else {
-                    tableXml += '<w:shd w:val="clear" w:color="auto" w:fill="FFFFFF"/>';
-                }
-
-                // Cell borders
-                tableXml += '<w:tcBorders>' +
-                    '<w:top w:val="single" w:sz="8" w:space="0" w:color="F58220"/>' +
-                    '<w:left w:val="single" w:sz="8" w:space="0" w:color="F58220"/>' +
-                    '<w:bottom w:val="single" w:sz="8" w:space="0" w:color="F58220"/>' +
-                    '<w:right w:val="single" w:sz="8" w:space="0" w:color="F58220"/>' +
-                    '</w:tcBorders>';
-
-                // Cell margins for proper padding
-                tableXml += '<w:tcMar>' +
-                    '<w:top w:w="80" w:type="dxa"/>' +
-                    '<w:left w:w="120" w:type="dxa"/>' +
-                    '<w:bottom w:w="80" w:type="dxa"/>' +
-                    '<w:right w:w="120" w:type="dxa"/>' +
-                    '</w:tcMar>';
-
-                tableXml += '</w:tcPr>';
-
-                // Cell content
-                tableXml += '<w:p>';
-                tableXml += '<w:pPr>';
-                tableXml += '<w:spacing w:before="0" w:after="0" w:line="240" w:lineRule="auto"/>';
-                tableXml += '</w:pPr>';
-
-                const runs = this.parseInlineFormatting(cellText);
-
-                if (isHeader) {
-                    // Header: bold white text
-                    tableXml += runs.replace(/<w:rPr>/g, '<w:rPr><w:b/><w:color w:val="FFFFFF"/>');
-                } else {
-                    // Data rows: normal black text
-                    tableXml += runs;
-                }
-
-                tableXml += '</w:p>';
-                tableXml += '</w:tc>';
-            });
-
-            tableXml += '</w:tr>';
-        });
-
-        tableXml += '</w:tbl>';
-
-        // Add spacing after table
-        tableXml += '<w:p><w:pPr><w:spacing w:before="120" w:after="0"/></w:pPr></w:p>';
-
-        return tableXml;
-    }
-
-    /**
-     * Detect if line contains ASCII art/flowchart characters
-     */
-    isAsciiArt(line) {
-        // Don't treat markdown tables as ASCII art
-        if (line.trim().startsWith('|') && line.trim().endsWith('|')) {
-            // Check if it's a proper markdown table (has multiple cells)
-            const cells = line.split('|').filter(c => c.trim());
-            if (cells.length >= 2) {
-                return false;
-            }
-        }
-
-        // Common ASCII art characters (Unicode box drawing and symbols)
-        const asciiArtChars = [
-            '─', '│', '┌', '┐', '└', '┘', '├', '┤', '┬', '┴', '┼',  // Box drawing
-            '═', '║', '╔', '╗', '╚', '╝', '╠', '╣', '╦', '╩', '╬',  // Double box
-            '╭', '╮', '╯', '╰',                                      // Rounded corners
-            '▲', '▼', '◄', '►', '♦', '●', '○', '■', '□', '◆', '◇',  // Shapes
-            '↓', '→', '←', '↑', '↔', '↕', '⇒', '⇐', '⇓', '⇑',      // Arrows
-            '┃', '━', '┏', '┓', '┗', '┛', '┣', '┫', '┳', '┻', '╋',  // Heavy box
-            '░', '▒', '▓', '█',                                      // Shading
-        ];
-
-        // Check for box drawing characters
-        if (asciiArtChars.some(char => line.includes(char))) {
-            return true;
-        }
-
-        // Check for ASCII box patterns with regular characters
-        const asciiPatterns = [
-            /^\s*\+[-=_+]+\+/,                   // +-----+ or +=====+
-            /^\s*\|[-=_]{3,}\|/,                 // |-----|
-            /^\s*[-=_]{5,}$/,                    // -----
-            /^\s*\+[-]+\+[-]+\+/,                // +---+---+
-            /^\s*\([A-Z][a-z]+\)\s*\|\|/,       // (Deformable) ||
-            /^\s*\|\s+[A-Z\s]+[-:]\s+[A-Z]/,    // | TILE ADHESIVE - TYPE
-            /^\s*\|\s*\[[^\]]+\]/,              // | [BIS Mark / CE Mark]
-            /^\s*\|\s{2,}\w+.*\|\|/,            // ||  text  ||
-            /^\s*\[[^\]]+\]\s*$/,               // [Step in brackets]
-            /^\s*<[-=]+>/,                       // <----> or <====>
-            /^\s*\/[-_\\\/]+\//,                 // /----/
-            /^\s*\*[-=\*]+\*/,                   // *----*
-        ];
-
-        return asciiPatterns.some(pattern => pattern.test(line));
-    }
-
-    /**
-     * Create ASCII art XML with monospace font
-     * Background shading applied at paragraph level to extend full width
-     */
-    createAsciiArtXml(asciiContent) {
-        // Split ASCII art into individual lines and create a paragraph for each
-        const lines = asciiContent.split('\n');
-        let xml = '';
-
-        lines.forEach((line, index) => {
-            // Shading (shd) is at paragraph level so background extends full width
-            xml += `<w:p>
-                <w:pPr>
-                    <w:pStyle w:val="Normal"/>
-                    <w:shd w:val="clear" w:color="auto" w:fill="F5F5F5"/>
-                    <w:spacing w:before="${index === 0 ? '120' : '0'}" w:after="${index === lines.length - 1 ? '120' : '0'}" w:line="240" w:lineRule="exact"/>
-                    <w:ind w:left="284" w:right="284"/>
-                    <w:jc w:val="left"/>
-                    <w:keepLines/>
-                    <w:wordWrap w:val="0"/>
-                </w:pPr>`;
-
-            // Check if line contains arrow characters and color them red
-            const arrowChars = ['↓', '→', '←', '↑', '▼', '►', '◄', '▲'];
-            const hasArrow = arrowChars.some(arrow => line.includes(arrow));
-
-            if (hasArrow) {
-                // Split line into parts and color arrows red
-                let remainingLine = line;
-
-                while (remainingLine.length > 0) {
-                    let foundArrow = false;
-                    let arrowIndex = -1;
-                    let foundArrowChar = '';
-
-                    // Find the first arrow in the remaining text
-                    for (const arrow of arrowChars) {
-                        const idx = remainingLine.indexOf(arrow);
-                        if (idx !== -1 && (arrowIndex === -1 || idx < arrowIndex)) {
-                            arrowIndex = idx;
-                            foundArrowChar = arrow;
-                            foundArrow = true;
-                        }
-                    }
-
-                    if (foundArrow) {
-                        // Add text before arrow (if any)
-                        if (arrowIndex > 0) {
-                            const beforeArrow = this.escapeXml(remainingLine.substring(0, arrowIndex));
-                            xml += `<w:r>
-                                <w:rPr>
-                                    <w:rFonts w:ascii="Consolas" w:hAnsi="Consolas" w:cs="Consolas"/>
-                                    <w:sz w:val="16"/>
-                                    <w:szCs w:val="16"/>
-                                    <w:noProof/>
-                                </w:rPr>
-                                <w:t xml:space="preserve">${beforeArrow}</w:t>
-                            </w:r>`;
-                        }
-
-                        // Add arrow in red
-                        const escapedArrow = this.escapeXml(foundArrowChar);
-                        xml += `<w:r>
-                            <w:rPr>
-                                <w:rFonts w:ascii="Consolas" w:hAnsi="Consolas" w:cs="Consolas"/>
-                                <w:sz w:val="16"/>
-                                <w:szCs w:val="16"/>
-                                <w:color w:val="FF0000"/>
-                                <w:noProof/>
-                            </w:rPr>
-                            <w:t xml:space="preserve">${escapedArrow}</w:t>
-                        </w:r>`;
-
-                        // Continue with remaining text
-                        remainingLine = remainingLine.substring(arrowIndex + foundArrowChar.length);
-                    } else {
-                        // No more arrows, add remaining text
-                        const escapedRemaining = this.escapeXml(remainingLine);
-                        xml += `<w:r>
-                            <w:rPr>
-                                <w:rFonts w:ascii="Consolas" w:hAnsi="Consolas" w:cs="Consolas"/>
-                                <w:sz w:val="16"/>
-                                <w:szCs w:val="16"/>
-                                <w:noProof/>
-                            </w:rPr>
-                            <w:t xml:space="preserve">${escapedRemaining}</w:t>
-                        </w:r>`;
-                        remainingLine = '';
-                    }
-                }
-            } else {
-                // No arrows, just add the line normally
-                const escapedLine = this.escapeXml(line);
-                xml += `<w:r>
-                    <w:rPr>
-                        <w:rFonts w:ascii="Consolas" w:hAnsi="Consolas" w:cs="Consolas"/>
-                        <w:sz w:val="16"/>
-                        <w:szCs w:val="16"/>
-                        <w:noProof/>
-                    </w:rPr>
-                    <w:t xml:space="preserve">${escapedLine}</w:t>
-                </w:r>`;
-            }
-
-            xml += `</w:p>`;
-        });
-
-        return xml;
-    }
-
-    /**
-     * Parse inline formatting (bold, italic, code)
-     */
-    parseInlineFormatting(text) {
-        let xml = '';
-        let pos = 0;
-
-        // Patterns for inline formatting
-        const patterns = [
-            { regex: /\*\*\*(.+?)\*\*\*/g, bold: true, italic: true },
-            { regex: /\*\*(.+?)\*\*/g, bold: true },
-            { regex: /\*(.+?)\*/g, italic: true },
-            { regex: /`(.+?)`/g, code: true }
-        ];
-
-        // Simple approach: process text sequentially
-        let remaining = text;
-
-        while (remaining.length > 0) {
-            let foundMatch = false;
-            let earliestPos = remaining.length;
-            let matchedPattern = null;
-            let match = null;
-
-            // Find earliest match
-            for (const pattern of patterns) {
-                pattern.regex.lastIndex = 0;
-                const m = pattern.regex.exec(remaining);
-                if (m && m.index < earliestPos) {
-                    earliestPos = m.index;
-                    matchedPattern = pattern;
-                    match = m;
-                    foundMatch = true;
-                }
-            }
-
-            if (foundMatch) {
-                // Add text before match
-                if (earliestPos > 0) {
-                    xml += this.createRunXml(remaining.substring(0, earliestPos));
-                }
-
-                // Add formatted text
-                xml += this.createRunXml(match[1], matchedPattern.bold, matchedPattern.italic, matchedPattern.code);
-
-                remaining = remaining.substring(earliestPos + match[0].length);
-            } else {
-                // No more matches, add remaining text
-                xml += this.createRunXml(remaining);
-                break;
-            }
-        }
-
-        return xml;
-    }
-
-    /**
-     * Create a run (text segment) XML
-     */
-    createRunXml(text, bold = false, italic = false, code = false) {
-        if (!text) return '';
-
-        const escapedText = this.escapeXml(text);
-        let propsXml = '<w:rPr>';
-
-        if (bold) propsXml += '<w:b/>';
-        if (italic) propsXml += '<w:i/>';
-        if (code) {
-            propsXml += '<w:rFonts w:ascii="Consolas" w:hAnsi="Consolas"/>';
-            propsXml += '<w:sz w:val="20"/>';
-        }
-
-        propsXml += '</w:rPr>';
-
-        return `<w:r>${propsXml}<w:t xml:space="preserve">${escapedText}</w:t></w:r>`;
-    }
-
-    /**
-     * Escape XML special characters
-     */
-    escapeXml(text) {
-        return text
-            .replace(/&/g, '&amp;')
-            .replace(/</g, '&lt;')
-            .replace(/>/g, '&gt;')
-            .replace(/"/g, '&quot;')
-            .replace(/'/g, '&apos;');
-    }
-}
-
-module.exports = WordTemplateExporter;

test-double-click.md

@@ -1,12 +0,0 @@
-# Test Double-Click File Opening
-
-This is a test file to verify double-click functionality.
-
-## Features to Test
-- File should load automatically
-- Content should display in editor
-- Tab should show filename
-- Preview should render markdown
-
-**This text should be bold**
-*This text should be italic*

test-file-open.md

@@ -1,14 +0,0 @@
-# Test File Opening
-
-This is a test file to verify that double-click file opening works correctly.
-
-## Features
-- **Bold text**
-- *Italic text*
-- `Code`
-
-```javascript
-console.log("Hello World");
-```
-
-This should appear when you double-click to open the file!

tests/command-palette.test.js

@@ -1,144 +0,0 @@
-/**
- * @jest-environment jsdom
- */
-
-/**
- * Tests for CommandPalette
- * Tests command registration, filtering, execution, and keyboard navigation
- */
-
-describe('CommandPalette', () => {
-    let CommandPalette;
-
-    beforeEach(() => {
-        document.body.innerHTML = `
-            <div class="command-palette-overlay hidden" id="command-palette-overlay">
-                <div class="command-palette">
-                    <input type="text" id="command-palette-input">
-                    <div id="command-palette-results"></div>
-                </div>
-            </div>
-        `;
-        CommandPalette = require('../src/command-palette').CommandPalette;
-    });
-
-    test('starts hidden', () => {
-        const palette = new CommandPalette();
-        expect(palette.isOpen()).toBe(false);
-    });
-
-    test('opens and focuses input', () => {
-        const palette = new CommandPalette();
-        palette.open();
-        expect(palette.isOpen()).toBe(true);
-    });
-
-    test('closes', () => {
-        const palette = new CommandPalette();
-        palette.open();
-        palette.close();
-        expect(palette.isOpen()).toBe(false);
-    });
-
-    test('registers and renders commands', () => {
-        const palette = new CommandPalette();
-        palette.register('Test Command', 'Ctrl+T', () => {});
-        palette.register('Another Command', '', () => {});
-        palette.open();
-        const items = document.querySelectorAll('.command-item');
-        expect(items.length).toBe(2);
-    });
-
-    test('filters commands by search', () => {
-        const palette = new CommandPalette();
-        palette.register('Save File', 'Ctrl+S', () => {});
-        palette.register('Open File', 'Ctrl+O', () => {});
-        palette.register('Bold Text', 'Ctrl+B', () => {});
-        palette.renderResults('file');
-        const items = document.querySelectorAll('.command-item');
-        expect(items.length).toBe(2);
-    });
-
-    test('executes command', () => {
-        const palette = new CommandPalette();
-        const action = jest.fn();
-        palette.register('Test', '', action);
-        palette.open();
-        palette.executeSelected();
-        expect(action).toHaveBeenCalled();
-    });
-
-    test('highlights matching text', () => {
-        const palette = new CommandPalette();
-        const result = palette.highlightMatch('Save File', 'save');
-        expect(result).toContain('<strong>');
-        expect(result).toContain('Save');
-    });
-
-    test('highlightMatch returns original text when no query', () => {
-        const palette = new CommandPalette();
-        const result = palette.highlightMatch('Save File', '');
-        expect(result).toBe('Save File');
-    });
-
-    test('filters case-insensitively', () => {
-        const palette = new CommandPalette();
-        palette.register('Save File', '', () => {});
-        palette.register('Open File', '', () => {});
-        palette.renderResults('SAVE');
-        const items = document.querySelectorAll('.command-item');
-        expect(items.length).toBe(1);
-    });
-
-    test('shows all commands when query is empty', () => {
-        const palette = new CommandPalette();
-        palette.register('Cmd1', '', () => {});
-        palette.register('Cmd2', '', () => {});
-        palette.register('Cmd3', '', () => {});
-        palette.renderResults('');
-        const items = document.querySelectorAll('.command-item');
-        expect(items.length).toBe(3);
-    });
-
-    test('displays shortcut when provided', () => {
-        const palette = new CommandPalette();
-        palette.register('Save File', 'Ctrl+S', () => {});
-        palette.open();
-        const shortcut = document.querySelector('.command-shortcut');
-        expect(shortcut).not.toBeNull();
-        expect(shortcut.textContent).toBe('Ctrl+S');
-    });
-
-    test('does not display shortcut when empty', () => {
-        const palette = new CommandPalette();
-        palette.register('Test Command', '', () => {});
-        palette.open();
-        const shortcut = document.querySelector('.command-shortcut');
-        expect(shortcut).toBeNull();
-    });
-
-    test('closes on overlay click', () => {
-        const palette = new CommandPalette();
-        palette.open();
-        // Simulate click on the overlay itself
-        const event = new Event('click', { bubbles: true });
-        Object.defineProperty(event, 'target', { value: palette.overlay });
-        palette.overlay.dispatchEvent(event);
-        expect(palette.isOpen()).toBe(false);
-    });
-
-    test('executeSelected does nothing when no commands', () => {
-        const palette = new CommandPalette();
-        palette.open();
-        // Should not throw
-        expect(() => palette.executeSelected()).not.toThrow();
-    });
-
-    test('closes after executing command', () => {
-        const palette = new CommandPalette();
-        palette.register('Test', '', jest.fn());
-        palette.open();
-        palette.executeSelected();
-        expect(palette.isOpen()).toBe(false);
-    });
-});

tests/main-utils.test.js

@@ -1,100 +0,0 @@
-/**
- * Tests for Main Process Utilities
- * Tests sanitization, rate limiting, and other main process helpers
- */
-
-describe('sanitizeErrorMessage', () => {
-    const sanitizeErrorMessage = (message) => {
-        if (typeof message !== 'string') return String(message);
-        return message
-            .replace(/[A-Z]:\\[^\s"']+\\([^\s"'\\]+)/gi, '$1')
-            .replace(/\/[^\s"']+\/([^\s"'/]+)/g, '$1');
-    };
-
-    test('strips Windows absolute paths', () => {
-        expect(sanitizeErrorMessage('Error in C:\\Users\\test\\file.js'))
-            .toBe('Error in file.js');
-    });
-
-    test('strips Unix absolute paths', () => {
-        expect(sanitizeErrorMessage('Error in /home/user/project/file.js'))
-            .toBe('Error in file.js');
-    });
-
-    test('handles non-string input', () => {
-        expect(sanitizeErrorMessage(42)).toBe('42');
-        expect(sanitizeErrorMessage(null)).toBe('null');
-    });
-
-    test('preserves messages without paths', () => {
-        expect(sanitizeErrorMessage('Something went wrong'))
-            .toBe('Something went wrong');
-    });
-
-    test('strips nested Windows paths', () => {
-        expect(sanitizeErrorMessage('Cannot read C:\\Users\\admin\\AppData\\Local\\config.json'))
-            .toBe('Cannot read config.json');
-    });
-
-    test('strips nested Unix paths', () => {
-        expect(sanitizeErrorMessage('File not found: /var/log/app/error.log'))
-            .toBe('File not found: error.log');
-    });
-
-    test('handles undefined input', () => {
-        expect(sanitizeErrorMessage(undefined)).toBe('undefined');
-    });
-});
-
-describe('createRateLimiter', () => {
-    const createRateLimiter = (minIntervalMs = 2000) => {
-        let lastCall = 0;
-        return function canProceed() {
-            const now = Date.now();
-            if (now - lastCall < minIntervalMs) return false;
-            lastCall = now;
-            return true;
-        };
-    };
-
-    test('allows first call', () => {
-        const limiter = createRateLimiter(1000);
-        expect(limiter()).toBe(true);
-    });
-
-    test('blocks rapid calls', () => {
-        const limiter = createRateLimiter(1000);
-        limiter(); // first call
-        expect(limiter()).toBe(false); // too soon
-    });
-
-    test('allows call after interval', () => {
-        jest.useFakeTimers();
-        const limiter = createRateLimiter(1000);
-        limiter();
-        jest.advanceTimersByTime(1001);
-        expect(limiter()).toBe(true);
-        jest.useRealTimers();
-    });
-
-    test('uses default interval of 2000ms', () => {
-        jest.useFakeTimers();
-        const limiter = createRateLimiter();
-        limiter();
-        jest.advanceTimersByTime(1999);
-        expect(limiter()).toBe(false);
-        jest.advanceTimersByTime(2);
-        expect(limiter()).toBe(true);
-        jest.useRealTimers();
-    });
-
-    test('resets after successful call', () => {
-        jest.useFakeTimers();
-        const limiter = createRateLimiter(500);
-        limiter();
-        jest.advanceTimersByTime(501);
-        limiter(); // resets the timer
-        expect(limiter()).toBe(false); // too soon after second call
-        jest.useRealTimers();
-    });
-});

tests/markdown-extensions.test.js

@@ -1,130 +0,0 @@
-/**
- * Tests for Markdown Extensions
- * Tests TOC generation, admonition parsing, and PlantUML encoding
- */
-
-describe('Markdown Extensions', () => {
-    describe('TOC generation from headings', () => {
-        test('extracts all heading levels', () => {
-            const html = '<h1>Title</h1><h2>Section 1</h2><h2>Section 2</h2><h3>Subsection</h3>';
-            const headingRegex = /<h([1-6])[^>]*>(.*?)<\/h[1-6]>/gi;
-            const toc = [];
-            let match;
-            while ((match = headingRegex.exec(html)) !== null) {
-                toc.push({ level: parseInt(match[1]), text: match[2] });
-            }
-            expect(toc).toHaveLength(4);
-            expect(toc[0]).toEqual({ level: 1, text: 'Title' });
-            expect(toc[3]).toEqual({ level: 3, text: 'Subsection' });
-        });
-
-        test('handles empty HTML', () => {
-            const html = '<p>No headings here</p>';
-            const headingRegex = /<h([1-6])[^>]*>(.*?)<\/h[1-6]>/gi;
-            const toc = [];
-            let match;
-            while ((match = headingRegex.exec(html)) !== null) {
-                toc.push({ level: parseInt(match[1]), text: match[2] });
-            }
-            expect(toc).toHaveLength(0);
-        });
-
-        test('handles headings with attributes', () => {
-            const html = '<h1 id="title" class="main">Title</h1><h2 id="sec">Section</h2>';
-            const headingRegex = /<h([1-6])[^>]*>(.*?)<\/h[1-6]>/gi;
-            const toc = [];
-            let match;
-            while ((match = headingRegex.exec(html)) !== null) {
-                toc.push({ level: parseInt(match[1]), text: match[2] });
-            }
-            expect(toc).toHaveLength(2);
-            expect(toc[0].text).toBe('Title');
-        });
-    });
-
-    describe('Admonition regex matching', () => {
-        test('matches note admonition', () => {
-            const src = ':::note\nThis is a note.\n:::\n';
-            const match = src.match(/^:::(note|warning|tip|danger|info)\s*\n([\s\S]*?)^:::\s*$/m);
-            expect(match).not.toBeNull();
-            expect(match[1]).toBe('note');
-            expect(match[2].trim()).toBe('This is a note.');
-        });
-
-        test('matches all admonition types', () => {
-            const types = ['note', 'warning', 'tip', 'danger', 'info'];
-            types.forEach(type => {
-                const src = `:::${type}\nContent\n:::\n`;
-                const match = src.match(/^:::(note|warning|tip|danger|info)\s*\n([\s\S]*?)^:::\s*$/m);
-                expect(match).not.toBeNull();
-                expect(match[1]).toBe(type);
-            });
-        });
-
-        test('does not match invalid admonition type', () => {
-            const src = ':::custom\nContent\n:::\n';
-            const match = src.match(/^:::(note|warning|tip|danger|info)\s*\n([\s\S]*?)^:::\s*$/m);
-            expect(match).toBeNull();
-        });
-
-        test('captures multiline content', () => {
-            const src = ':::warning\nLine 1\nLine 2\nLine 3\n:::\n';
-            const match = src.match(/^:::(note|warning|tip|danger|info)\s*\n([\s\S]*?)^:::\s*$/m);
-            expect(match).not.toBeNull();
-            expect(match[2]).toContain('Line 1');
-            expect(match[2]).toContain('Line 3');
-        });
-    });
-
-    describe('PlantUML hex encoding', () => {
-        const plantumlEncode = (text) => {
-            const hex = Array.from(Buffer.from(text, 'utf-8'))
-                .map(b => b.toString(16).padStart(2, '0'))
-                .join('');
-            return '~h' + hex;
-        };
-
-        test('encodes simple text', () => {
-            const encoded = plantumlEncode('A -> B');
-            expect(encoded).toBe('~h41202d3e2042');
-        });
-
-        test('encodes empty string', () => {
-            expect(plantumlEncode('')).toBe('~h');
-        });
-
-        test('encodes special characters', () => {
-            const encoded = plantumlEncode('@startuml');
-            expect(encoded).toMatch(/^~h[0-9a-f]+$/);
-            // '@' is 0x40, 's' is 0x73
-            expect(encoded.startsWith('~h40')).toBe(true);
-        });
-    });
-
-    describe('Slug generation for TOC anchors', () => {
-        const slugify = (text) => {
-            return text
-                .toLowerCase()
-                .replace(/[^\w\s-]/g, '')
-                .replace(/\s+/g, '-')
-                .replace(/-+/g, '-')
-                .trim();
-        };
-
-        test('converts heading to slug', () => {
-            expect(slugify('Hello World')).toBe('hello-world');
-        });
-
-        test('removes special characters', () => {
-            expect(slugify('What is C++?')).toBe('what-is-c');
-        });
-
-        test('collapses multiple dashes', () => {
-            expect(slugify('Hello   World')).toBe('hello-world');
-        });
-
-        test('handles already lowercase text', () => {
-            expect(slugify('simple')).toBe('simple');
-        });
-    });
-});

tests/preload.test.js

@@ -1,175 +0,0 @@
-/**
- * Tests for Preload Script Security
- * Verifies that the IPC bridge is properly configured
- */
-
-describe('Preload Security', () => {
-  describe('Allowed Channels', () => {
-    const EXPECTED_SEND_CHANNELS = [
-      'save-file',
-      'save-current-file',
-      'set-current-file',
-      'save-recent-files',
-      'clear-recent-files',
-      'renderer-ready',
-      'get-theme',
-      'do-print',
-      'do-print-with-options',
-      'export-with-options',
-      'export-spreadsheet',
-      'batch-convert',
-      'select-folder',
-      'universal-convert',
-      'universal-convert-batch',
-      'image-convert',
-      'image-batch-convert',
-      'image-resize',
-      'image-compress',
-      'image-rotate',
-      'audio-convert',
-      'audio-batch-convert',
-      'audio-extract',
-      'audio-trim',
-      'audio-merge',
-      'video-convert',
-      'video-batch-convert',
-      'video-compress',
-      'video-trim',
-      'video-frames',
-      'video-gif',
-      'get-header-footer-settings',
-      'save-header-footer-settings',
-      'browse-header-footer-logo',
-      'save-header-footer-logo',
-      'clear-header-footer-logo',
-      'get-page-settings',
-      'update-page-settings',
-      'set-custom-start-page',
-      'process-pdf-operation',
-      'get-pdf-page-count',
-      'select-pdf-folder',
-      'open-ascii-generator',
-      'open-table-generator',
-      'insert-generated-content',
-      'save-pasted-image',
-      'load-template',
-      'list-directory',
-      'open-file-path',
-      'git-status',
-      'git-stage',
-      'git-commit',
-      'git-log',
-      'git-diff',
-      'get-snippets',
-      'save-snippet',
-      'delete-snippet',
-      'execute-code',
-      'show-pdf-editor-from-toolbar',
-      'menu-open',
-      'export'
-    ];
-
-    const EXPECTED_RECEIVE_CHANNELS = [
-      'file-new',
-      'file-opened',
-      'file-save',
-      'get-content-for-save',
-      'get-content-for-spreadsheet',
-      'recent-files-cleared',
-      'toggle-preview',
-      'toggle-find',
-      'theme-changed',
-      'theme-data',
-      'undo',
-      'redo',
-      'adjust-font-size',
-      'print-preview',
-      'print-preview-styled',
-      'show-export-dialog',
-      'show-batch-dialog',
-      'show-universal-converter-dialog',
-      'show-table-generator',
-      'show-pdf-editor-dialog',
-      'show-image-converter',
-      'show-audio-converter',
-      'show-video-converter',
-      'open-pdf-viewer',
-      'conversion-status',
-      'conversion-complete',
-      'batch-progress',
-      'image-conversion-complete',
-      'audio-conversion-complete',
-      'video-conversion-complete',
-      'folder-selected',
-      'pdf-folder-selected',
-      'header-footer-settings-data',
-      'header-footer-logo-selected',
-      'header-footer-logo-saved',
-      'header-footer-logo-cleared',
-      'page-settings-data',
-      'pdf-page-count',
-      'pdf-operation-complete',
-      'pdf-operation-error',
-      'pdf-operation-progress',
-      'show-ascii-generator-window',
-      'show-ascii-generator',
-      'show-table-generator-window',
-      'open-header-footer-dialog',
-      'insert-content',
-      'load-template-menu',
-      'toggle-command-palette',
-      'toggle-sidebar-panel',
-      'toggle-bottom-panel'
-    ];
-
-    test('should define all expected send channels', () => {
-      // This test documents expected channels
-      expect(EXPECTED_SEND_CHANNELS.length).toBeGreaterThan(0);
-    });
-
-    test('should define all expected receive channels', () => {
-      // This test documents expected channels
-      expect(EXPECTED_RECEIVE_CHANNELS.length).toBeGreaterThan(0);
-    });
-  });
-
-  describe('electronAPI Interface', () => {
-    test('should expose send method', () => {
-      expect(window.electronAPI.send).toBeDefined();
-      expect(typeof window.electronAPI.send).toBe('function');
-    });
-
-    test('should expose on method', () => {
-      expect(window.electronAPI.on).toBeDefined();
-      expect(typeof window.electronAPI.on).toBe('function');
-    });
-
-    test('should expose once method', () => {
-      expect(window.electronAPI.once).toBeDefined();
-      expect(typeof window.electronAPI.once).toBe('function');
-    });
-
-    test('should expose invoke method', () => {
-      expect(window.electronAPI.invoke).toBeDefined();
-      expect(typeof window.electronAPI.invoke).toBe('function');
-    });
-
-    test('should expose file convenience methods', () => {
-      expect(window.electronAPI.file).toBeDefined();
-      expect(window.electronAPI.file.save).toBeDefined();
-      expect(window.electronAPI.file.saveCurrent).toBeDefined();
-      expect(window.electronAPI.file.setCurrent).toBeDefined();
-    });
-
-    test('should expose theme convenience methods', () => {
-      expect(window.electronAPI.theme).toBeDefined();
-      expect(window.electronAPI.theme.get).toBeDefined();
-    });
-
-    test('should expose pdf convenience methods', () => {
-      expect(window.electronAPI.pdf).toBeDefined();
-      expect(window.electronAPI.pdf.processOperation).toBeDefined();
-      expect(window.electronAPI.pdf.getPageCount).toBeDefined();
-    });
-  });
-});

tests/print-preview.test.js

@@ -1,109 +0,0 @@
-/**
- * @jest-environment jsdom
- */
-
-/**
- * Tests for PrintPreview
- * Tests print dialog options, open/close, and preview rendering
- */
-
-describe('PrintPreview', () => {
-    beforeEach(() => {
-        // Mock electron require for executePrint
-        jest.mock('electron', () => ({
-            ipcRenderer: { send: jest.fn(), invoke: jest.fn() }
-        }), { virtual: true });
-
-        document.body.innerHTML = `
-            <div class="dialog-overlay hidden" id="print-preview-overlay">
-                <button id="print-preview-close"></button>
-                <button id="print-cancel"></button>
-                <button id="print-execute"></button>
-                <select id="print-paper-size"><option value="A4">A4</option><option value="Letter">Letter</option></select>
-                <select id="print-orientation"><option value="portrait">Portrait</option><option value="landscape">Landscape</option></select>
-                <select id="print-margins"><option value="default">Default</option></select>
-                <input type="range" id="print-scale" value="100">
-                <span id="print-scale-value">100%</span>
-                <input type="checkbox" id="print-headers" checked>
-                <input type="checkbox" id="print-background" checked>
-                <select id="print-pages"><option value="all">All</option><option value="custom">Custom</option></select>
-                <input type="text" id="print-page-range" class="hidden">
-                <iframe id="print-preview-frame"></iframe>
-            </div>
-        `;
-    });
-
-    test('getOptions returns default values', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        const options = preview.getOptions();
-        expect(options.paperSize).toBe('A4');
-        expect(options.orientation).toBe('portrait');
-        expect(options.scale).toBe(100);
-        expect(options.headers).toBe(true);
-        expect(options.background).toBe(true);
-        expect(options.pages).toBe('all');
-        expect(options.margins).toBe('default');
-        expect(options.pageRange).toBe('');
-    });
-
-    test('opens and closes', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        preview.open('<p>Test</p>');
-        expect(document.getElementById('print-preview-overlay').classList.contains('hidden')).toBe(false);
-        preview.close();
-        expect(document.getElementById('print-preview-overlay').classList.contains('hidden')).toBe(true);
-    });
-
-    test('updateScaleLabel reflects slider value', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        document.getElementById('print-scale').value = '75';
-        preview.updateScaleLabel();
-        expect(document.getElementById('print-scale-value').textContent).toBe('75%');
-    });
-
-    test('close button closes preview', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        preview.open('<p>Test</p>');
-        document.getElementById('print-preview-close').click();
-        expect(document.getElementById('print-preview-overlay').classList.contains('hidden')).toBe(true);
-    });
-
-    test('cancel button closes preview', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        preview.open('<p>Test</p>');
-        document.getElementById('print-cancel').click();
-        expect(document.getElementById('print-preview-overlay').classList.contains('hidden')).toBe(true);
-    });
-
-    test('getOptions reflects changed values', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-
-        // Change paper size to Letter
-        const paperSelect = document.getElementById('print-paper-size');
-        paperSelect.value = 'Letter';
-
-        // Change scale
-        document.getElementById('print-scale').value = '50';
-
-        // Uncheck headers
-        document.getElementById('print-headers').checked = false;
-
-        const options = preview.getOptions();
-        expect(options.paperSize).toBe('Letter');
-        expect(options.scale).toBe(50);
-        expect(options.headers).toBe(false);
-    });
-
-    test('stores last content for refresh', () => {
-        const { PrintPreview } = require('../src/print-preview');
-        const preview = new PrintPreview();
-        preview.open('<p>Hello World</p>');
-        expect(preview._lastContent).toBe('<p>Hello World</p>');
-    });
-});

tests/setup.js

@@ -1,100 +0,0 @@
-/**
- * Jest Test Setup
- * Provides mocks and utilities for PanConverter tests
- */
-
-// Mock window.electronAPI for renderer tests
-global.window = global.window || {};
-global.window.electronAPI = {
-  send: jest.fn(),
-  on: jest.fn(() => jest.fn()), // Returns cleanup function
-  once: jest.fn(),
-  invoke: jest.fn(() => Promise.resolve(null)),
-  removeAllListeners: jest.fn(),
-  file: {
-    save: jest.fn(),
-    saveCurrent: jest.fn(),
-    setCurrent: jest.fn(),
-    saveRecent: jest.fn(),
-    clearRecent: jest.fn(),
-    rendererReady: jest.fn()
-  },
-  theme: {
-    get: jest.fn()
-  },
-  print: {
-    doPrint: jest.fn()
-  },
-  export: {
-    withOptions: jest.fn(),
-    spreadsheet: jest.fn()
-  },
-  batch: {
-    convert: jest.fn(),
-    selectFolder: jest.fn()
-  },
-  converter: {
-    convert: jest.fn(),
-    convertBatch: jest.fn()
-  },
-  headerFooter: {
-    getSettings: jest.fn(),
-    saveSettings: jest.fn(),
-    browseLogo: jest.fn(),
-    saveLogo: jest.fn(),
-    clearLogo: jest.fn()
-  },
-  page: {
-    getSettings: jest.fn(),
-    updateSettings: jest.fn(),
-    setCustomStartPage: jest.fn()
-  },
-  pdf: {
-    processOperation: jest.fn(),
-    getPageCount: jest.fn(),
-    selectFolder: jest.fn()
-  }
-};
-
-// Mock marked library
-global.window.marked = {
-  parse: jest.fn((text) => `<p>${text}</p>`),
-  use: jest.fn()
-};
-
-// Mock DOMPurify
-global.window.DOMPurify = {
-  sanitize: jest.fn((html) => html)
-};
-
-// Mock highlight.js
-global.window.hljs = {
-  highlight: jest.fn((code, options) => ({ value: code })),
-  highlightAuto: jest.fn((code) => ({ value: code })),
-  getLanguage: jest.fn(() => true)
-};
-
-// Mock localStorage
-const localStorageMock = {
-  getItem: jest.fn(),
-  setItem: jest.fn(),
-  removeItem: jest.fn(),
-  clear: jest.fn()
-};
-global.localStorage = localStorageMock;
-
-// Console spy to catch unintended console logs in tests
-const originalConsoleError = console.error;
-console.error = (...args) => {
-  // Allow certain expected errors
-  const message = args[0]?.toString() || '';
-  if (message.includes('Warning:') || message.includes('React')) {
-    return;
-  }
-  originalConsoleError.apply(console, args);
-};
-
-// Cleanup after each test
-afterEach(() => {
-  jest.clearAllMocks();
-});

tests/sidebar.test.js

@@ -1,121 +0,0 @@
-/**
- * @jest-environment jsdom
- */
-
-/**
- * Tests for SidebarManager
- * Tests panel registration, toggling, expand/collapse behavior
- */
-
-describe('SidebarManager', () => {
-    let SidebarManager;
-
-    beforeEach(() => {
-        document.body.innerHTML = `
-            <div class="sidebar collapsed" id="sidebar">
-                <div class="sidebar-icons">
-                    <button class="sidebar-icon" data-panel="test1"></button>
-                    <button class="sidebar-icon" data-panel="test2"></button>
-                </div>
-                <div class="sidebar-panel" id="sidebar-panel">
-                    <div class="sidebar-panel-header">
-                        <span class="sidebar-panel-title"></span>
-                        <button class="sidebar-panel-close"></button>
-                    </div>
-                    <div class="sidebar-panel-content" id="sidebar-panel-content"></div>
-                </div>
-            </div>
-        `;
-        SidebarManager = require('../src/sidebar/sidebar-manager').SidebarManager;
-    });
-
-    test('starts collapsed', () => {
-        const mgr = new SidebarManager();
-        expect(document.getElementById('sidebar').classList.contains('collapsed')).toBe(true);
-    });
-
-    test('expands on panel toggle', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: (c) => { c.innerHTML = 'hello'; } });
-        mgr.togglePanel('test1');
-        expect(document.getElementById('sidebar').classList.contains('collapsed')).toBe(false);
-        expect(document.querySelector('.sidebar-panel-title').textContent).toBe('Test 1');
-    });
-
-    test('collapses on second toggle', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: () => {} });
-        mgr.togglePanel('test1');
-        mgr.togglePanel('test1');
-        expect(document.getElementById('sidebar').classList.contains('collapsed')).toBe(true);
-    });
-
-    test('switches panels', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Panel 1', render: (c) => { c.innerHTML = 'one'; } });
-        mgr.registerPanel('test2', { title: 'Panel 2', render: (c) => { c.innerHTML = 'two'; } });
-        mgr.togglePanel('test1');
-        mgr.togglePanel('test2');
-        expect(document.querySelector('.sidebar-panel-title').textContent).toBe('Panel 2');
-        expect(document.getElementById('sidebar-panel-content').innerHTML).toBe('two');
-    });
-
-    test('collapse resets active panel', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test', render: () => {} });
-        mgr.expand('test1');
-        mgr.collapse();
-        expect(mgr.activePanel).toBe(null);
-    });
-
-    test('expand sets active icon', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: () => {} });
-        mgr.expand('test1');
-        const btn = document.querySelector('[data-panel="test1"]');
-        expect(btn.classList.contains('active')).toBe(true);
-    });
-
-    test('collapse removes active icon', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: () => {} });
-        mgr.expand('test1');
-        mgr.collapse();
-        const btn = document.querySelector('[data-panel="test1"]');
-        expect(btn.classList.contains('active')).toBe(false);
-    });
-
-    test('expand with unregistered panel does nothing', () => {
-        const mgr = new SidebarManager();
-        mgr.expand('nonexistent');
-        expect(document.getElementById('sidebar').classList.contains('collapsed')).toBe(true);
-        expect(mgr.activePanel).toBe(null);
-    });
-
-    test('render function receives panel content element', () => {
-        const mgr = new SidebarManager();
-        const renderFn = jest.fn();
-        mgr.registerPanel('test1', { title: 'Test 1', render: renderFn });
-        mgr.expand('test1');
-        expect(renderFn).toHaveBeenCalledWith(document.getElementById('sidebar-panel-content'));
-    });
-
-    test('clicking sidebar icon toggles panel', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: () => {} });
-        const btn = document.querySelector('[data-panel="test1"]');
-        btn.click();
-        expect(mgr.activePanel).toBe('test1');
-        btn.click();
-        expect(mgr.activePanel).toBe(null);
-    });
-
-    test('clicking close button collapses sidebar', () => {
-        const mgr = new SidebarManager();
-        mgr.registerPanel('test1', { title: 'Test 1', render: () => {} });
-        mgr.expand('test1');
-        document.querySelector('.sidebar-panel-close').click();
-        expect(mgr.activePanel).toBe(null);
-        expect(document.getElementById('sidebar').classList.contains('collapsed')).toBe(true);
-    });
-});

tests/utils.test.js

@@ -1,137 +0,0 @@
-/**
- * Tests for Utility Functions
- * Tests helper functions that can be extracted and tested
- */
-
-describe('Utility Functions', () => {
-  describe('parseCommand', () => {
-    // This function parses command strings into command and args
-    function parseCommand(cmdString) {
-      const parts = [];
-      let current = '';
-      let inQuotes = false;
-      let quoteChar = '';
-
-      for (let i = 0; i < cmdString.length; i++) {
-        const char = cmdString[i];
-        if ((char === '"' || char === "'") && !inQuotes) {
-          inQuotes = true;
-          quoteChar = char;
-        } else if (char === quoteChar && inQuotes) {
-          inQuotes = false;
-          quoteChar = '';
-        } else if (char === ' ' && !inQuotes) {
-          if (current) {
-            parts.push(current);
-            current = '';
-          }
-        } else {
-          current += char;
-        }
-      }
-      if (current) {
-        parts.push(current);
-      }
-
-      return {
-        command: parts[0],
-        args: parts.slice(1)
-      };
-    }
-
-    test('should parse simple command', () => {
-      const result = parseCommand('pandoc input.md -o output.pdf');
-      expect(result.command).toBe('pandoc');
-      expect(result.args).toEqual(['input.md', '-o', 'output.pdf']);
-    });
-
-    test('should handle double-quoted paths', () => {
-      const result = parseCommand('pandoc "C:/path with spaces/file.md" -o output.pdf');
-      expect(result.command).toBe('pandoc');
-      expect(result.args).toEqual(['C:/path with spaces/file.md', '-o', 'output.pdf']);
-    });
-
-    test('should handle single-quoted paths', () => {
-      const result = parseCommand("pandoc 'file name.md' -o output.pdf");
-      expect(result.command).toBe('pandoc');
-      expect(result.args).toEqual(['file name.md', '-o', 'output.pdf']);
-    });
-
-    test('should handle multiple options', () => {
-      const result = parseCommand('pandoc input.md --pdf-engine=xelatex -V geometry:margin=1in -o output.pdf');
-      expect(result.command).toBe('pandoc');
-      expect(result.args).toContain('--pdf-engine=xelatex');
-      expect(result.args).toContain('-V');
-    });
-
-    test('should handle empty command', () => {
-      const result = parseCommand('');
-      expect(result.command).toBeUndefined();
-      expect(result.args).toEqual([]);
-    });
-  });
-
-  describe('hexToRgb', () => {
-    // This function converts hex colors to RGB
-    function hexToRgb(hex) {
-      const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
-      return result ? {
-        r: parseInt(result[1], 16) / 255,
-        g: parseInt(result[2], 16) / 255,
-        b: parseInt(result[3], 16) / 255
-      } : null;
-    }
-
-    test('should convert black hex to RGB', () => {
-      const result = hexToRgb('#000000');
-      expect(result).toEqual({ r: 0, g: 0, b: 0 });
-    });
-
-    test('should convert white hex to RGB', () => {
-      const result = hexToRgb('#ffffff');
-      expect(result).toEqual({ r: 1, g: 1, b: 1 });
-    });
-
-    test('should convert red hex to RGB', () => {
-      const result = hexToRgb('#ff0000');
-      expect(result.r).toBeCloseTo(1);
-      expect(result.g).toBeCloseTo(0);
-      expect(result.b).toBeCloseTo(0);
-    });
-
-    test('should handle hex without hash', () => {
-      const result = hexToRgb('00ff00');
-      expect(result.r).toBeCloseTo(0);
-      expect(result.g).toBeCloseTo(1);
-      expect(result.b).toBeCloseTo(0);
-    });
-
-    test('should return null for invalid hex', () => {
-      expect(hexToRgb('invalid')).toBeNull();
-      expect(hexToRgb('#xyz')).toBeNull();
-    });
-  });
-
-  describe('File Path Utilities', () => {
-    test('should extract file extension', () => {
-      const getExtension = (filepath) => {
-        const match = filepath.match(/\.([^/.]+)$/);
-        return match ? match[1].toLowerCase() : '';
-      };
-
-      expect(getExtension('file.md')).toBe('md');
-      expect(getExtension('document.PDF')).toBe('pdf');
-      expect(getExtension('path/to/file.docx')).toBe('docx');
-      expect(getExtension('noextension')).toBe('');
-    });
-
-    test('should replace file extension', () => {
-      const replaceExtension = (filepath, newExt) => {
-        return filepath.replace(/\.[^/.]+$/, `.${newExt}`);
-      };
-
-      expect(replaceExtension('file.md', 'pdf')).toBe('file.pdf');
-      expect(replaceExtension('path/to/doc.docx', 'html')).toBe('path/to/doc.html');
-    });
-  });
-});