SYSTEM ROLE: Principal Product Architect. GOAL: Generate a 3-screen STEM web app "LabCraft AI" (1440px) using Clean Neobrutalism (2px borders, 8px corners, 4px hard shadows). SCREENS: 1. Prompt Input Dashboard: Sidebar navigation + center AI input bar (48px height) with hover/focus states. 2. Interactive Lab Canvas: Split view. Left: 2 Sliders (8px track, 24px thumb) in Chemical Green (#01C38D). Right: Simulation viewport with an Erlenmeyer Flask showing dynamic fluid levels. 3. Performance Analytics: Grid of 3 metric cards + line chart with interactive nodes in Science Blue (#2A697). CONSTRAINTS: Use Auto Layout for everything. Semantic layer naming. Accessible palette (#2A6F97, #01C38D, #FF6B6B).