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Focus Minutes
Technical Features & UI Logic
The Pomodoro technique is built on a specific cycle of focused work and planned rest. This code implements that logic through three core pillars:
1. The State Machine
The timer uses a State Machine to track whether the user is in "Work," "Short Break," or "Long Break" mode.
Mode Transitions: When a work session ends, the timer automatically shifts the UI color and duration to the next state.
Time Normalization: Seconds are converted to a
MM:SSformat usingpadStart(2, '0')to ensure the clock doesn't "jump" when seconds fall below 10.
2. Analytics & Session Tracking
To keep users motivated, the tool tracks Persistence Data:
Session Count: Increments every time a "Work" session finishes.
Focus Minutes: Accrues total productive time. In a production environment, these values would be saved to
localStorageso they remain after a page refresh.
3. Advertising Integration (Google Ads)
The code includes three primary ad locations designed to maximize revenue without obstructing the timer:
Leaderboard (Top): Standard $728 \times 90$ slot.
Skyscrapers (Sides): Two $160 \times 600$ slots that appear on large desktop screens but disappear on mobile to maintain responsiveness.
Implementation: You must replace
ca-pub-XXXXXXXXXXXXXXXXwith your actual Google AdSense Publisher ID for ads to serve.
4. Responsive Zen Design
The interface uses Glassmorphism (semi-transparent backgrounds with background-blur) to create a modern aesthetic. The layout is fully fluid; the side ads hide themselves on tablets/phones, ensuring the central timer card remains the primary focus of the user.