✓ Two crowns ✓ Same mass, different density ✓ Vertical slider ✓ Slider works ✓ Slider controls crowns — Slider direction correct ✓ Full slider range ✓ Fall animation ✓ Water displacement ✓ Rising water level ✓ Splash effects ✓ Physics correct ✓ Live mass value ✓ Live volume value ✓ Live density value ✓ Live displaced water ✓ Gilded displaces more ✓ Heureka animation ✓ No external deps ✓ Light bg / dark text ✓ Self-contained HTML
Slider is CSS-rotated (not a native vertical input) and direction is inverted — dragging toward the "Wasser" label requires moving the thumb right/up due to the rotate(-90deg) transform, making intuitive top=air/bottom=water mapping ambiguous and potentially backwards depending on browser rendering of the rotated range input.
10,277 output tokens · claude-opus-4-6 · end_turn
Slider is CSS-rotated (not a native vertical input) and direction is inverted — dragging toward the "Wasser" label requires moving the thumb right/up due to the rotate(-90deg) transform, making intuitive top=air/bottom=water mapping ambiguous and potentially backwards depending on browser rendering of the rotated range input.