✓ 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 (instructions say "slide up to submerge" but HTML range min=0/max=100 with vertical-slider means top=100=submerged is correct in some browsers, yet the label text contradicts standard vertical range behavior and is browser-dependent); physics values are accurate (Au 19.3, alloy 13.1 g/cm³, same 1000 g mass), ASCII art is charming but crowns share identical Y position rather than demonstrating differential displacement per crown, and splash effects are stateless random noise rather than true event-triggered particles.
7,176 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (instructions say "slide up to submerge" but HTML range min=0/max=100 with vertical-slider means top=100=submerged is correct in some browsers, yet the label text contradicts standard vertical range behavior and is browser-dependent); physics values are accurate (Au 19.3, alloy 13.1 g/cm³, same 1000 g mass), ASCII art is charming but crowns share identical Y position rather than demonstrating differential displacement per crown, and splash effects are stateless random noise rather than true event-triggered particles.