Enhance Copy-to-Clipboard with Feedback Animations

[dbsectrainer]

Description

Improve the copy-to-clipboard functionality with visual feedback animations and enhanced user experience for copying phrases and vocabulary.

Features to Implement

• One-Click Copy: Easy copying of phrases, words, and lesson content
• Visual Feedback: Animated confirmation when content is copied
• Feedback Animations: Toast notifications, checkmarks, or ripple effects
• Copy Multiple Items: Batch copy functionality for vocabulary lists
• Custom Copy Formats: Copy with translations, pronunciations, or plain text
• Keyboard Shortcuts: Ctrl+C integration for selected content

Technical Requirements

• Use Clipboard API (with fallback for older browsers)
• Implement smooth CSS animations for feedback
• Ensure accessibility for screen readers
• Support different copy formats (text, JSON, formatted)
• Handle copy failures gracefully
• Mobile-friendly touch interactions

Animation Types

• Success toast notifications
• Checkmark fade-in/fade-out animations
• Button state changes with color transitions
• Ripple effects on copy buttons
• Slide-down confirmation banners
• Icon transformations (copy → checkmark)

Copy Functionality

• Individual phrase/word copying
• Entire lesson content copying
• Vocabulary list export copying
• Formatted text with translations
• Audio pronunciation copying (as text)
• Progress data copying

Acceptance Criteria

• Enhanced copy buttons with animations
• Toast notification system implemented
• Visual feedback for successful/failed copies
• Multiple copy format options
• Keyboard shortcut support
• Mobile-responsive copy interactions
• Accessibility compliance for animations
• Fallback for browsers without Clipboard API
• Batch copy functionality for lists

Priority

Low - Nice-to-have enhancement for improved user experience