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countdownchronicle

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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>CountdownChronicle</title>
    <link rel="icon" type="image/x-icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⏱️</text></svg>">
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://unpkg.com/feather-icons"></script>
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    colors: {
                        undefined: {
                            500: '#6366f1',
                        }
                    }
                }
            }
        }
    </script>
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f9fafb;
        }
        .timer-card {
            transition: all 0.3s ease;
        }
        .timer-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .countdown-number {
            font-weight: 700;
            font-size: 2.5rem;
            line-height: 1;
        }
        @media (max-width: 640px) {
            .countdown-number {
                font-size: 1.75rem;
            }
        }
    </style>
</head>
<body class="min-h-screen bg-gray-50">
    <!-- Header -->
    <header class="bg-white shadow-sm">
        <div class="container mx-auto px-4 py-6 flex justify-between items-center">
            <div class="flex items-center space-x-2">
                <div class="bg-undefined-500 p-2 rounded-lg">
                    <i data-feather="clock" class="text-white"></i>
                </div>
                <h1 class="text-2xl font-bold text-gray-800">CountdownChronicle</h1>
            </div>
            <button id="addTimerBtn" class="bg-undefined-500 hover:bg-undefined-600 text-white font-medium py-2 px-4 rounded-lg flex items-center transition duration-300">
                <i data-feather="plus" class="mr-1"></i> New Timer
            </button>
        </div>
    </header>

    <!-- Main Content -->
    <main class="container mx-auto px-4 py-8">
        <div id="timersContainer" class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
            <!-- Timer cards will be dynamically inserted here -->
        </div>
        
        <!-- Empty state -->
        <div id="emptyState" class="text-center py-16 hidden">
            <div class="bg-gray-200 border-2 border-dashed rounded-xl w-16 h-16 mx-auto mb-4"></div>
            <h2 class="text-xl font-semibold text-gray-700 mb-2">No timers yet</h2>
            <p class="text-gray-500 mb-6">Create your first countdown timer to get started</p>
            <button id="createFirstTimerBtn" class="bg-undefined-500 hover:bg-undefined-600 text-white font-medium py-2 px-4 rounded-lg transition duration-300">
                Create Timer
            </button>
        </div>
    </main>

    <!-- Modal -->
    <div id="timerModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center hidden z-50">
        <div class="bg-white rounded-xl w-full max-w-md p-6">
            <div class="flex justify-between items-center mb-4">
                <h3 class="text-xl font-bold text-gray-800">Create New Timer</h3>
                <button id="closeModalBtn" class="text-gray-500 hover:text-gray-700">
                    <i data-feather="x"></i>
                </button>
            </div>
            
            <form id="timerForm">
                <div class="mb-4">
                    <label class="block text-gray-700 text-sm font-medium mb-2" for="timerName">
                        Event Name
                    </label>
                    <input type="text" id="timerName" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-undefined-500" placeholder="e.g. Summer Vacation" required>
                </div>
                
                <div class="mb-4">
                    <label class="block text-gray-700 text-sm font-medium mb-2" for="targetDate">
                        Target Date
                    </label>
                    <input type="datetime-local" id="targetDate" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-undefined-500" required>
                </div>
                
                <div class="mb-6">
                    <label class="block text-gray-700 text-sm font-medium mb-2">
                        Background Color
                    </label>
                    <div class="grid grid-cols-6 gap-2">
                        <div class="color-option w-8 h-8 rounded-full bg-red-400 cursor-pointer border-2 border-transparent" data-color="bg-red-400"></div>
                        <div class="color-option w-8 h-8 rounded-full bg-blue-400 cursor-pointer border-2 border-transparent" data-color="bg-blue-400"></div>
                        <div class="color-option w-8 h-8 rounded-full bg-green-400 cursor-pointer border-2 border-transparent" data-color="bg-green-400"></div>
                        <div class="color-option w-8 h-8 rounded-full bg-yellow-400 cursor-pointer border-2 border-transparent" data-color="bg-yellow-400"></div>
                        <div class="color-option w-8 h-8 rounded-full bg-purple-400 cursor-pointer border-2 border-transparent" data-color="bg-purple-400"></div>
                        <div class="color-option w-8 h-8 rounded-full bg-pink-400 cursor-pointer border-2 border-transparent" data-color="bg-pink-400"></div>
                    </div>
                    <input type="hidden" id="selectedColor" value="bg-blue-400">
                </div>
                
                <div class="flex justify-end space-x-3">
                    <button type="button" id="cancelTimerBtn" class="px-4 py-2 text-gray-600 font-medium rounded-lg hover:bg-gray-100 transition duration-300">
                        Cancel
                    </button>
                    <button type="submit" class="bg-undefined-500 hover:bg-undefined-600 text-white font-medium py-2 px-4 rounded-lg transition duration-300">
                        Create Timer
                    </button>
                </div>
            </form>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
    <script>
        // Initialize feather icons
        feather.replace();
        
        // DOM Elements
        const timersContainer = document.getElementById('timersContainer');
        const emptyState = document.getElementById('emptyState');
        const timerModal = document.getElementById('timerModal');
        const timerForm = document.getElementById('timerForm');
        const addTimerBtn = document.getElementById('addTimerBtn');
        const createFirstTimerBtn = document.getElementById('createFirstTimerBtn');
        const closeModalBtn = document.getElementById('closeModalBtn');
        const cancelTimerBtn = document.getElementById('cancelTimerBtn');
        const colorOptions = document.querySelectorAll('.color-option');
        const selectedColorInput = document.getElementById('selectedColor');
        
        // State
        let timers = JSON.parse(localStorage.getItem('countdownTimers')) || [];
        
        // Set min date for datetime picker to today
        const now = new Date();
        const year = now.getFullYear();
        const month = String(now.getMonth() + 1).padStart(2, '0');
        const day = String(now.getDate()).padStart(2, '0');
        const hours = String(now.getHours()).padStart(2, '0');
        const minutes = String(now.getMinutes()).padStart(2, '0');
        document.getElementById('targetDate').min = `${year}-${month}-${day}T${hours}:${minutes}`;
        
        // Event Listeners
        addTimerBtn.addEventListener('click', () => {
            timerForm.reset();
            document.getElementById('targetDate').min = `${year}-${month}-${day}T${hours}:${minutes}`;
            timerModal.classList.remove('hidden');
        });
        
        createFirstTimerBtn.addEventListener('click', () => {
            addTimerBtn.click();
        });
        
        closeModalBtn.addEventListener('click', () => {
            timerModal.classList.add('hidden');
        });
        
        cancelTimerBtn.addEventListener('click', () => {
            timerModal.classList.add('hidden');
        });
        
        // Color selection
        colorOptions.forEach(option => {
            option.addEventListener('click', () => {
                colorOptions.forEach(opt => opt.classList.remove('border-white'));
                option.classList.add('border-white');
                selectedColorInput.value = option.dataset.color;
            });
        });
        
        // Form submission
        timerForm.addEventListener('submit', (e) => {
            e.preventDefault();
            
            const name = document.getElementById('timerName').value;
            const targetDate = new Date(document.getElementById('targetDate').value);
            const backgroundColor = selectedColorInput.value;
            
            if (targetDate <= new Date()) {
                alert('Please select a future date and time.');
                return;
            }
            
            const newTimer = {
                id: Date.now(),
                name,
                targetDate: targetDate.toISOString(),
                backgroundColor
            };
            
            timers.push(newTimer);
            saveTimers();
            renderTimers();
            timerModal.classList.add('hidden');
        });
        
        // Timer functions
        function saveTimers() {
            localStorage.setItem('countdownTimers', JSON.stringify(timers));
        }
        
        function deleteTimer(id) {
            timers = timers.filter(timer => timer.id !== id);
            saveTimers();
            renderTimers();
        }
        
        function updateCountdown(timer) {
            const now = new Date();
            const target = new Date(timer.targetDate);
            const diff = target - now;
            
            if (diff <= 0) {
                return { days: 0, hours: 0, minutes: 0, seconds: 0 };
            }
            
            const days = Math.floor(diff / (1000 * 60 * 60 * 24));
            const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
            const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
            const seconds = Math.floor((diff % (1000 * 60)) / 1000);
            
            return { days, hours, minutes, seconds };
        }
        
        function renderTimers() {
            timersContainer.innerHTML = '';
            
            if (timers.length === 0) {
                emptyState.classList.remove('hidden');
                return;
            }
            
            emptyState.classList.add('hidden');
            
            timers.forEach(timer => {
                const countdown = updateCountdown(timer);
                
                const timerCard = document.createElement('div');
                timerCard.className = `timer-card rounded-xl p-6 text-white ${timer.backgroundColor} shadow-md`;
                timerCard.innerHTML = `
                    <div class="flex justify-between items-start mb-4">
                        <h3 class="text-xl font-bold">${timer.name}</h3>
                        <button class="delete-timer text-white hover:text-gray-200" data-id="${timer.id}">
                            <i data-feather="x"></i>
                        </button>
                    </div>
                    <div class="grid grid-cols-4 gap-2 text-center">
                        <div>
                            <div class="countdown-number">${countdown.days}</div>
                            <div class="text-sm opacity-90">Days</div>
                        </div>
                        <div>
                            <div class="countdown-number">${countdown.hours}</div>
                            <div class="text-sm opacity-90">Hours</div>
                        </div>
                        <div>
                            <div class="countdown-number">${countdown.minutes}</div>
                            <div class="text-sm opacity-90">Minutes</div>
                        </div>
                        <div>
                            <div class="countdown-number">${countdown.seconds}</div>
                            <div class="text-sm opacity-90">Seconds</div>
                        </div>
                    </div>
                    <div class="mt-4 text-sm opacity-90">
                        Target: ${new Date(timer.targetDate).toLocaleString()}
                    </div>
                `;
                
                timersContainer.appendChild(timerCard);
            });
            
            // Add event listeners to delete buttons
            document.querySelectorAll('.delete-timer').forEach(button => {
                button.addEventListener('click', (e) => {
                    const id = parseInt(e.currentTarget.dataset.id);
                    deleteTimer(id);
                });
            });
            
            // Reinitialize feather icons
            feather.replace();
        }
        
        // Update countdowns every second
        setInterval(() => {
            renderTimers();
        }, 1000);
        
        // Initial render
        renderTimers();
    </script>
</body>
</html>