✓ 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) + bt-lr writing-mode maps top=water, bottom=air), undermining UX despite an otherwise highly complete, physics-correct, ASCII-art implementation with animated Heureka overlay.
8,708 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (CSS rotate(180deg) + bt-lr writing-mode maps top=water, bottom=air), undermining UX despite an otherwise highly complete, physics-correct, ASCII-art implementation with animated Heureka overlay.