<!DOCTYPE html>
<html>
<head>
    <title>Beautiful Glass Timer App</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="glass-container">
        <input type="number" id="minutesInput" placeholder="Minutes">
        <input type="number" id="secondsInput" placeholder="Seconds">
        <div class="button-container">
            <button class="glass-button" onclick="incrementTime('minutes', 1)">↑</button>
            <button class="glass-button" onclick="decrementTime('minutes', 1)">↓</button>
            <button class="glass-button" onclick="incrementTime('seconds', 1)">↑</button>
            <button class="glass-button" onclick="decrementTime('seconds', 1)">↓</button>
        </div>
        <button class="glass-button" onclick="startTimer()">Start</button>
        <button class="glass-button" onclick="stopTimer()">Stop</button>
        <button class="glass-button" onclick="resetTimer()">Reset</button>
        <div id="display">Time: 00:00</div>
    </div>

    <script src="script.js"></script>
</body>
</html>

/* style.css */
body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, #87CEEB, #000);
    color: #fff;
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.glass-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px 10px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    width: 300px;
}

input[type="number"] {
    width: 90px;
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.2);
    color: #000;
    text-align: center;
    transition: background 0.3s, box-shadow 0.3s;
    appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    display: none;
}

input:focus {
    background: rgba(135, 206, 235, 0.4);
    box-shadow: 0 4px 15px rgba(135, 206, 235, 0.5);
    outline: none;
    border: 1px solid rgba(135, 206, 235, 0.8);
}

input::placeholder {
    color: white;
    transition: color 0.3s;
}

input:focus::placeholder {
    color: rgba(135, 206, 235, 1);
}

.button-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 15px;
}

.glass-button {
    padding: 10px 22px;
    border-radius: 10px;
    background: rgba(135, 206, 235, 0.2);
    box-shadow: 0 4px 15px rgba(135, 206, 235, 0.5);
    backdrop-filter: blur(5px);
    border: none;
    color: #000;
    cursor: pointer;
    transition: background 0.3s, box-shadow 0.3s;
}

.glass-button:hover {
    background: rgba(135, 206, 235, 0.4);
    box-shadow: 0 6px 20px rgba(135, 206, 235, 0.7);
}

#display {
    font-size: 24px;
    margin-top: 20px;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    border-radius: 10px;
    color: #87CEEB;
}

// script.js
let countdown;

function startTimer() {
    const minutesInput = document.getElementById('minutesInput').value;
    const secondsInput = document.getElementById('secondsInput').value;

    let minutes = parseInt(minutesInput) || 0;
    let seconds = parseInt(secondsInput) || 0;
    let time = minutes * 60 + seconds;

    if (isNaN(time) || time <= 0) {
        alert('Please enter a positive number');
        return;
    }

    clearInterval(countdown); // Stop any previous timer

    countdown = setInterval(() => {
        let mins = Math.floor(time / 60);
        let secs = time % 60;
        document.getElementById('display').textContent = `Time: ${String(mins).padStart(2, '0')}:${String(secs).padStart(2, '0')}`;

        if (time <= 0) {
            clearInterval(countdown);
            document.getElementById('display').textContent = 'Time: 00:00 - Time’s up!';
        }

        time--;
    }, 1000);
}

function resetTimer() {
    clearInterval(countdown);
    document.getElementById('display').textContent = 'Time: 00:00';
}

function incrementTime(type, amount) {
    const input = document.getElementById(`${type}Input`);
    let value = parseInt(input.value) || 0;
    input.value = Math.max(value + amount, 0);
}

function decrementTime(type, amount) {
    incrementTime(type, -amount);
}

function stopTimer() {
    clearInterval(countdown); // Stop the interval
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.