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egg-timer

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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>7-Minute Countdown Timer</title>
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        body {
            margin: 0;
            padding: 0;
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            color: white;
        }

        .timer-container {
            text-align: center;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(12px);
            border-radius: 24px;
            padding: 60px 40px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.25);
            max-width: 480px;
            width: 90%;
        }

        h1 {
            font-weight: 600;
            margin-bottom: 30px;
            font-size: 2rem;
        }

        .timer-display {
            font-size: 5rem;
            font-weight: 600;
            margin: 40px 0;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
            font-family: 'Poppins', sans-serif;
            letter-spacing: 1px;
        }

        .controls {
            margin: 40px 0;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        button {
            background: linear-gradient(45deg, #4facfe 0%, #00f2fe 100%);
            border: none;
            color: white;
            padding: 16px 32px;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            min-width: 120px;
        }

        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
        }

        button:active {
            transform: translateY(1px);
        }

        button:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
            background: linear-gradient(45deg, #bdc3c7, #2c3e50);
        }

        .time-input {
            margin: 30px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
        }

        .time-input input {
            width: 80px;
            padding: 12px;
            border-radius: 8px;
            border: none;
            text-align: center;
            font-size: 1.1rem;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            font-weight: 500;
        }

        .time-input label {
            font-weight: 400;
            font-size: 1.1rem;
        }

        .progress-bar {
            width: 100%;
            height: 10px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 5px;
            margin: 30px 0;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #43e97b 0%, #38f9d7 100%);
            border-radius: 5px;
            transition: width 1s linear;
            width: 100%;
        }

        .status {
            font-size: 1.3rem;
            margin: 30px 0;
            font-weight: 400;
        }

        .alarm-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 1000;
        }

        .alarm-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: linear-gradient(135deg, #ff4d4d, #f94336);
            padding: 50px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6);
            animation: bounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            max-width: 90%;
            width: 400px;
        }

        @keyframes bounce {
            0% { transform: translate(-50%, -50%) scale(0.5); }
            100% { transform: translate(-50%, -50%) scale(1); }
        }

        .alarm-content h2 {
            font-size: 2.8rem;
            margin: 0 0 25px 0;
            animation: pulse 1.2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .dismiss-btn {
            background: white;
            color: #ff4757;
            margin-top: 25px;
            padding: 14px 28px;
            border-radius: 10px;
            font-weight: 600;
        }

        @media (max-width: 480px) {
            .timer-display {
                font-size: 3.5rem;
            }
            
            .controls {
                flex-direction: column;
                gap: 12px;
            }
            
            button {
                width: 100%;
            }
        }
    </style>
</head>
<body>
    <div class="timer-container">
        <h1>Perfect Egg Timer</h1>
        <div class="time-input">
            <label for="minutes">Minutes:</label>
            <input type="number" id="minutes" min="0" max="59" value="7">
            <label for="seconds">Seconds:</label>
            <input type="number" id="seconds" min="0" max="59" value="0">
        </div>
        <div class="timer-display" id="timerDisplay">07:00</div>
        <div class="progress-bar">
            <div class="progress-fill" id="progressFill"></div>
        </div>
        <div class="status" id="status">Ready to start</div>
        <div class="controls">
            <button onclick="startTimer()" id="startBtn">Start</button>
            <button onclick="pauseTimer()" id="pauseBtn" disabled>Pause</button>
            <button onclick="resetTimer()" id="resetBtn">Reset</button>
            <button onclick="setCustomTime()" id="setTimeBtn">Set Time</button>
        </div>
    </div>

    <div class="alarm-modal" id="alarmModal">
        <div class="alarm-content">
            <h2>⏰ TIME'S UP! ⏰</h2>
            <p>Your 7-minute timer has finished!</p>
            <button class="dismiss-btn" onclick="dismissAlarm()">Dismiss</button>
        </div>
    </div>

    <script>
        let totalTime = 7 * 60; // 7 minutes in seconds
        let currentTime = totalTime;
        let isRunning = false;
        let timerInterval;
        let audioContext;
        let alarmSound;

        // Initialize audio context for alarm sound
        function initAudio() {
            audioContext = new (window.AudioContext || window.webkitAudioContext)();
        }

        // Create alarm sound using Web Audio API
        function createAlarmSound() {
            const oscillator = audioContext.createOscillator();
            const gainNode = audioContext.createGain();
            
            oscillator.connect(gainNode);
            gainNode.connect(audioContext.destination);
            
            oscillator.frequency.setValueAtTime(800, audioContext.currentTime);
            oscillator.type = 'sine';
            
            gainNode.gain.setValueAtTime(0, audioContext.currentTime);
            gainNode.gain.linearRampToValueAtTime(0.3, audioContext.currentTime + 0.1);
            gainNode.gain.linearRampToValueAtTime(0, audioContext.currentTime + 0.5);
            
            oscillator.start(audioContext.currentTime);
            oscillator.stop(audioContext.currentTime + 0.5);
        }

        function playAlarm() {
            if (!audioContext) initAudio();
            
            // Play multiple beeps
            for (let i = 0; i < 6; i++) {
                setTimeout(() => createAlarmSound(), i * 600);
            }
        }

        function updateDisplay() {
            const minutes = Math.floor(currentTime / 60);
            const seconds = currentTime % 60;
            document.getElementById('timerDisplay').textContent = 
                `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
            
            // Update progress bar
            const progress = ((totalTime - currentTime) / totalTime) * 100;
            document.getElementById('progressFill').style.width = `${progress}%`;
        }

        function startTimer() {
            if (!audioContext) initAudio();
            
            isRunning = true;
            document.getElementById('startBtn').disabled = true;
            document.getElementById('pauseBtn').disabled = false;
            document.getElementById('status').textContent = 'Timer running...';
            
            timerInterval = setInterval(() => {
                if (currentTime > 0) {
                    currentTime--;
                    updateDisplay();
                } else {
                    // Timer finished
                    clearInterval(timerInterval);
                    isRunning = false;
                    document.getElementById('startBtn').disabled = false;
                    document.getElementById('pauseBtn').disabled = true;
                    document.getElementById('status').textContent = 'Time\'s up!';
                    
                    // Show alarm modal and play sound
                    document.getElementById('alarmModal').style.display = 'block';
                    playAlarm();
                }
            }, 1000);
        }

        function pauseTimer() {
            clearInterval(timerInterval);
            isRunning = false;
            document.getElementById('startBtn').disabled = false;
            document.getElementById('pauseBtn').disabled = true;
            document.getElementById('status').textContent = 'Timer paused';
        }

        function resetTimer() {
            clearInterval(timerInterval);
            isRunning = false;
            currentTime = totalTime;
            updateDisplay();
            document.getElementById('startBtn').disabled = false;
            document.getElementById('pauseBtn').disabled = true;
            document.getElementById('status').textContent = 'Ready to start';
        }

        function dismissAlarm() {
            document.getElementById('alarmModal').style.display = 'none';
            resetTimer();
        }

        // Initialize display
        updateDisplay();

        // Handle browser tab visibility to continue timer
        document.addEventListener('visibilitychange', function() {
            if (document.hidden && isRunning) {
                // Store the time when tab becomes hidden
                localStorage.setItem('timerStartTime', Date.now() - (totalTime - currentTime) * 1000);
            } else if (!document.hidden && isRunning) {
                // Recalculate time when tab becomes visible
                const startTime = localStorage.getItem('timerStartTime');
                if (startTime) {
                    const elapsed = Math.floor((Date.now() - parseInt(startTime)) / 1000);
                    currentTime = Math.max(0, totalTime - elapsed);
                    updateDisplay();
                }
            }
        });
    </script>
</body>
</html>