# Countdown Timer

## Description
Count down to a target date or set a custom timer with days, hours, minutes, and seconds display.

## Features
- Date Countdown mode: pick a future date and time, see live days/hours/minutes/seconds remaining
- Timer mode: set hours, minutes, and seconds, then start/pause/reset the countdown
- Audio alert when the timer reaches zero
- Large digit display for easy reading

## How to Use
1. Choose a mode: "Date Countdown" or "Timer"
2. Date Countdown: pick a target date and optional time, then watch the live countdown
3. Timer: set hours/minutes/seconds, click Start, and monitor the countdown

## Modes
- Date Countdown: target date + time → days, hours, minutes, seconds remaining
- Timer: custom duration → hours, minutes, seconds remaining with Start/Pause/Reset controls