✓ 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 direction is inverted (CSS rotate(180deg) hack compensates visually but labels are mislabeled: top reads "Tief/Deep" and bottom "Luft/Air"), and there is no smooth fall animation — crowns jump to position instantly without a timed drop sequence.
12,451 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (CSS rotate(180deg) hack compensates visually but labels are mislabeled: top reads "Tief/Deep" and bottom "Luft/Air"), and there is no smooth fall animation — crowns jump to position instantly without a timed drop sequence.