✓ 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 (HTML range input rotated -90°, so visually top=water/bottom=air, opposite of spec); no animated fall sequence — crowns jump directly based on slider position rather than falling through air into water.
10,567 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (HTML range input rotated -90°, so visually top=water/bottom=air, opposite of spec); no animated fall sequence — crowns jump directly based on slider position rather than falling through air into water.