Countdown Timer

1. Set Your Timer
   
   • Use the number inputs to set hours, minutes, and seconds.
   • Or, click one of the Quick Time buttons (like “15m”, “1h”, etc.) to instantly set a preset duration.
2. Add a Title (Optional)
   
   • You can type a custom name for your timer in the Custom Title box.
   • This is useful for remembering what the countdown is for.
3. Start the Timer
   
   • Click Start to begin counting down.
   • The timer will display time remaining in a circular display.
   • You can Pause and Resume the timer at any time using the same button.
4. Reset the Timer
   
   • Click Reset to stop the countdown and return to your last entered time.
5. Use Recently Used Timers
   
   • Timers you’ve previously set will appear under Recently Used.
   • Click any one to reuse its settings instantly.
   • You can also clear this list by clicking Clear.
6. Enable/Disable Sound
   
   • Use the Countdown Sound toggle switch to turn sound on or off.
   • When sound is on, you’ll hear a beep as the timer finishes.
7. Bonus Features
   
   • The timer visually pulses and changes color during the final 10 seconds.
   • Input fields are limited to valid time ranges (e.g., max 59 minutes).

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