Fika Coffee Brew

This application is a manual utility for tracking coffee brewing sessions.
All data is stored in-memory during the current session and is not persisted.
* Manual timer for tracking brew duration
* Numeric input for custom timer settings in minutes
* Quick preset buttons for 1, 2, 3, 4, and 5 minute intervals
* Ratio calculator for coffee-to-water proportions
* Water volume calculation based on user-provided coffee weight
* Adjustable ratio slider ranging from 1:2 to 1:20
* In-memory session log recording brewing method and timing
* Manual clearing of current session logs via settings
* Supported brewing methods: V60, French Press, AeroPress, Chemex, Cold Brew, Espresso
* Visual countdown and elapsed time display
* Offline functionality with zero external data transmission