Wynra - Curiosity & Wonder

- **Refreshed interface**: Unified colors, typography, cards, and buttons; redesigned the atlas, specimen details, comparisons, quizzes, and observation notes; and refined light and dark themes. - **Improved startup and navigation**: Redesigned the welcome experience with four introductory sections, actual loading progress, and retry options. The atlas is now the main entry point, with quick access to comparisons, the notebook, and settings. - **Better browsing and note-taking**: Refined atlas lists, specimen reading layouts, and note presentation. More content can be loaded in batches, and newly saved notes open directly in the detail view. - **Enhanced interactions and accessibility**: Added playable illustrated guides, page transitions, and visual feedback for actions. Images support double-tap zoom, with layout and motion adjustments for larger text, landscape orientation, and reduced motion settings. - **Improved code structure and reliability**: Split atlas, notebook, and media screens into separate files, with dedicated theme and animation modules. Refined initialization after clearing data and prevented stale callbacks from interfering with page-loading retries.