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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Countdown Timer</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Arial', sans-serif;
background-color: #161B33;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
padding: 20px;
}
.container {
width: 100%;
max-width: 500px;
}
.countdown-box {
border: 5px solid #ff0;
border-radius: 15px;
padding: 20px;
background-color: #0D0C1D;
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
h1 {
color: #e41010;
font-size: 28px;
margin-bottom: 20px;
text-align: center;
}
.timer {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 10px;
margin-bottom: 20px;
}
.input-container {
display: flex;
flex-direction: column;
align-items: center;
}
label {
color: white;
font-weight: bold;
margin-bottom: 5px;
}
input[type="number"] {
width: 70px;
padding: 8px;
font-size: 16px;
background-color: rgba(255, 255, 255, 0.1);
color: white;
text-align: center;
border: 2px solid cyan;
border-radius: 5px;
transition: all 0.3s ease;
}
input[type="number"]:focus {
outline: none;
border-color: #ff0;
box-shadow: 0 0 10px rgba(255, 255, 0, 0.5);
}
.button-container {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 10px;
margin-bottom: 20px;
}
.btn {
background-color: #007bff;
color: #fff;
border: none;
padding: 10px 20px;
font-size: 16px;
cursor: pointer;
transition: all 0.3s ease;
border-radius: 25px;
text-transform: uppercase;
letter-spacing: 1px;
}
.btn:hover {
background-color: #0056b3;
transform: translateY(-2px);
box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
}
#countdown {
font-size: 48px;
color: #FF0F80;
margin-top: 20px;
text-align: center;
transition: all 0.3s ease;
}
#countdown.warning {
color: #e41010;
font-weight: bold;
animation: pulse 1s infinite;
}
@keyframes pulse {
0% { transform: scale(1); }
50% { transform: scale(1.05); }
100% { transform: scale(1); }
}
#progress-bar-container {
width: 100%;
background-color: #ddd;
border-radius: 10px;
overflow: hidden;
margin-top: 20px;
}
#progress-bar {
height: 20px;
background-color: #109648;
width: 0;
transition: width 1s linear;
}
.hidden {
display: none;
}
#theme-toggle {
position: absolute;
top: 20px;
right: 20px;
background: none;
border: none;
color: #e41010;
font-size: 24px;
cursor: pointer;
}
body.light-theme {
background-color: #f0f0f0;
}
.light-theme .countdown-box {
background-color: #ffffff;
border-color: #007bff;
}
.light-theme h1 {
color: #007bff;
}
.light-theme label {
color: #333;
}
.light-theme input[type="number"] {
background-color: #f0f0f0;
color: #333;
border-color: #007bff;
}
.light-theme #countdown {
color: #007bff;
}
.light-theme #countdown.warning {
color: #e41010;
}
@media (max-width: 480px) {
.countdown-box {
padding: 15px;
}
h1 {
font-size: 24px;
}
input[type="number"] {
width: 60px;
font-size: 14px;
}
.btn {
padding: 8px 16px;
font-size: 14px;
}
#countdown {
font-size: 36px;
}
}
</style>
</head>
<body>
<button id="theme-toggle"><i class="fas fa-sun"></i></button>
<div class="container">
<div class="countdown-box">
<h1>Countdown Timer</h1>
<div class="timer">
<div class="input-container">
<label for="hours"><i class="far fa-clock"></i> Hours</label>
<input id="hours" type="number" min="0" max="99" value="0">
</div>
<div class="input-container">
<label for="minutes"><i class="far fa-clock"></i> Minutes</label>
<input id="minutes" type="number" min="0" max="59" value="0">
</div>
<div class="input-container">
<label for="seconds"><i class="far fa-clock"></i> Seconds</label>
<input id="seconds" type="number" min="0" max="59" value="0">
</div>
</div>
<div class="button-container">
<button id="start-btn" class="btn"><i class="fas fa-play"></i> Start</button>
<button id="pause-btn" class="btn"><i class="fas fa-pause"></i> Pause</button>
<button id="reset-btn" class="btn"><i class="fas fa-undo"></i> Reset</button>
<button id="restart-btn" class="btn hidden"><i class="fas fa-redo"></i> Restart</button>
<button id="stop-alarm-btn" class="btn hidden"><i class="fas fa-volume-mute"></i> Stop Alarm</button>
</div>
<div id="countdown"></div>
<div id="progress-bar-container">
<div id="progress-bar"></div>
</div>
</div>
</div>
<audio id="alarm" src="https://assets.mixkit.co/active_storage/sfx/2869/2869-preview.mp3"></audio>
<script>
window.addEventListener('DOMContentLoaded', function() {
var countdownElement = document.getElementById('countdown');
var startButton = document.getElementById('start-btn');
var pauseButton = document.getElementById('pause-btn');
var resetButton = document.getElementById('reset-btn');
var restartButton = document.getElementById('restart-btn');
var stopAlarmButton = document.getElementById('stop-alarm-btn');
var alarmSound = document.getElementById('alarm');
var progressBar = document.getElementById('progress-bar');
var themeToggle = document.getElementById('theme-toggle');
var timer;
var totalTime;
var isPaused = false;
var remainingTime;
var initialTime;
function playAlarm() {
alarmSound.play();
}
function stopAlarm() {
alarmSound.pause();
alarmSound.currentTime = 0;
stopAlarmButton.classList.add('hidden');
}
function updateCountdown() {
var hoursLeft = Math.floor(totalTime / 3600);
var minutesLeft = Math.floor((totalTime % 3600) / 60);
var secondsLeft = Math.floor(totalTime % 60);
countdownElement.innerHTML = hoursLeft.toString().padStart(2, '0') + ':' +
minutesLeft.toString().padStart(2, '0') + ':' +
secondsLeft.toString().padStart(2, '0');
if (totalTime < 10) {
countdownElement.classList.add('warning');
} else {
countdownElement.classList.remove('warning');
}
var progressPercentage = ((initialTime - totalTime) / initialTime) * 100;
progressBar.style.width = progressPercentage + '%';
document.title = countdownElement.innerHTML + ' - Countdown Timer';
}
startButton.addEventListener('click', function() {
if (!isPaused) {
var hours = parseInt(document.getElementById('hours').value);
var minutes = parseInt(document.getElementById('minutes').value);
var seconds = parseInt(document.getElementById('seconds').value);
if (isNaN(hours) || isNaN(minutes) || isNaN(seconds) || hours < 0 || minutes < 0 || seconds < 0) {
alert("Please enter valid positive values.");
return;
}
totalTime = (hours * 3600) + (minutes * 60) + seconds;
initialTime = totalTime;
} else {
totalTime = remainingTime;
isPaused = false;
}
timer = setInterval(function() {
updateCountdown();
totalTime--;
if (totalTime < 0) {
clearInterval(timer);
countdownElement.innerHTML = 'Time is up!';
countdownElement.classList.add('warning');
playAlarm();
stopAlarmButton.classList.remove('hidden');
}
}, 1000);
startButton.classList.add('hidden');
restartButton.classList.remove('hidden');
pauseButton.innerHTML = '<i class="fas fa-pause"></i> Pause';
});
pauseButton.addEventListener('click', function() {
if (isPaused) {
startButton.click();
pauseButton.innerHTML = '<i class="fas fa-pause"></i> Pause';
} else {
clearInterval(timer);
isPaused = true;
remainingTime = totalTime;
pauseButton.innerHTML = '<i class="fas fa-play"></i> Resume';
}
});
resetButton.addEventListener('click', function() {
clearInterval(timer);
countdownElement.innerHTML = '';
totalTime = 0;
remainingTime = 0;
isPaused = false;
stopAlarm();
progressBar.style.width = '0';
countdownElement.classList.remove('warning');
startButton.classList.remove('hidden');
restartButton.classList.add('hidden');
pauseButton.innerHTML = '<i class="fas fa-pause"></i> Pause';
document.title = 'Countdown Timer';
});
restartButton.addEventListener('click', function() {
clearInterval(timer);
totalTime = initialTime;
isPaused = false;
startButton.click();
});
stopAlarmButton.addEventListener('click', function() {
stopAlarm();
});
themeToggle.addEventListener('click', function() {
document.body.classList.toggle('light-theme');
themeToggle.innerHTML = document.body.classList.contains('light-theme') ?
'<i class="fas fa-moon"></i>' : '<i class="fas fa-sun"></i>';
});
document.addEventListener('keydown', function(event) {
if (event.key === 'Enter') {
startButton.click();
} else if (event.key === ' ') {
pauseButton.click();
} else if (event.key === 'r') {
resetButton.click();
}
});
});
</script>
</body>
</html>