✓ 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 (value=0 at top = air is correct labeling, but the HTML range input with writing-mode bt-lr means dragging up increases value toward water, which is backwards from the label "☁️ Luft" at top / "🌊 Wasser" at bottom — the slider thumb starts at bottom when value=0, making air=bottom and water=top visually).
11,541 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (value=0 at top = air is correct labeling, but the HTML range input with writing-mode bt-lr means dragging up increases value toward water, which is backwards from the label "☁️ Luft" at top / "🌊 Wasser" at bottom — the slider thumb starts at bottom when value=0, making air=bottom and water=top visually).