Product Type: Calculator & Unit Converter. Keywords: calculator, converter, unit, math, currency, measurement, scientific, formula, percentage. Primary Style: Neumorphism + Minimalism. Secondary Styles: Flat Design, Dark Mode (OLED). Landing Page Pattern: Minimal & Direct. Dashboard Style: N/A - Utility focused. Color Palette Focus: Dark functional + orange operation keys + clear button hierarchy. Key Considerations: Scientific mode toggle. Live currency rates. Calculation history. Widget support. Gesture input..