Savestate: Fix flashcard cutting off bug

Savestate: Prevent scrolling in Study Mode to fix awkward top gap offset

Savestate: Increase flashcard stack visibility by anchoring transform-origin to top, bump version to 1.8.71

Savestate: Fix flashcard stack not visible by adjusting translateY scaling offset and adding faint border to dark cards, bump version to 1.8.70

Savestate: Add background card stack effect in learn view, bump version to 1.8.68

UI: Fix IServ header layout to align back button and title, add top padding to avoid notch/badge overlap

Fix: Intensify anti-aliasing mask to 4px and add CSS clip-path to aggressively force rounded corners on WebView

Fix: Re-add explicit border-radius to inner flashcard image since Chromium WebView drops overflow: hidden clipping on 3D transformed elements

Fix: Change border to inset box-shadow on backface to prevent 3D sub-pixel bleeding in Android Chromium WebView

Fix: Add pseudo element with inner shadow to perfectly mask anti-aliasing artifacts on card corners

Fix: Re-adjust border radius rendering by using translateZ on parent and expanding blur overlay to fix subpixel antialiasing gaps on WebKit

Fix: Add explicit border-radius to flashcard image and overlay to prevent corners from bleeding on iOS/WebKit

Savestate: Add Lernen section with Flashcards, Anki algorithm and Gemini integration