🧠 Scientific UX Principles Applied
1. Visual Hierarchy
Typography scale (1.25 ratio) creates clear information hierarchy, guiding user attention naturally.
2. Fitts's Law
Buttons sized 44px+ for easy targeting on all devices. Closer targets for frequent actions.
3. Color Psychology
Blue promotes trust, green for positive actions, red for warnings. 4.5:1 contrast ratio for accessibility.
4. Gestalt Principles
Related elements grouped using proximity and similarity for intuitive understanding.
5. Cognitive Load Theory
Maximum 7±2 elements per group. Progressive disclosure for complex actions.