- Changed timer button to red/tomato themed pill button
- Added red background, border, and hover effects
- Shows remaining time when running
- Green pulsing indicator when active
- Made TomatoIcon slightly larger (22px) for visibility
- Added PomodoroTimer component with work/break modes
- Timer appears as icon in header, expands to full widget on click
- Supports 25m work, 5m short break, 15m long break cycles
- Shows progress bar, cycle dots, and mode switcher
- Plays sound when timer completes
- Can be minimized while running (shows pulsing indicator)
