# Active Context

## Current Status
- Initializing the project environment.
- Documentation phase (Memory Bank & Blueprint).

## Recent Changes
- Created `memory-bank/projectBrief.md`.
- Created `memory-bank/productContext.md`.

## Current Focus
- Completing Memory Bank initialization.
- Drafting PRD and Architecture.
- Setting up the Vite/TypeScript/Tailwind environment.

## Active Decisions
- Using **Vite** for the build tool.
- Using **Vanilla TypeScript** to avoid framework overhead.
- Using **Vitest** for unit testing calculation logic.
- Target: A single-page application that can be built into a self-contained output.