# WP GFM Renderer - Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.1.0] - 2025-08-24

### Added
- Comprehensive light theme support for copy buttons with proper contrast ratios
- Dark theme visibility improvements with pure white text for maximum contrast
- CSS custom properties system for maintainable copy button styling
- Complete Japanese localization for plugin interface
- Theme-specific styling for both code blocks and Mermaid diagrams

### Enhanced
- Copy button visibility across all themes (light/dark/system)
- Visual consistency between code block and Mermaid copy buttons
- WCAG accessibility compliance for all copy button states
- Hover, focus, success, and error state management
- Unit test coverage for theme-specific styling

### Fixed
- Copy button invisibility in light theme backgrounds
- Dark theme copy button text contrast issues
- Mermaid diagram copy button styling inconsistencies
- Japanese translation completeness

## [1.0.0] - 2025-07-XX

## [Unreleased]

### Fixed
- Fixed an issue where Mermaid charts were left-justified