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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>Offline Customer Management</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://cdn.sheetjs.com/xlsx-0.19.3/package/dist/xlsx.full.min.js"></script>
    <style>
        .photo-preview {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 50%;
            border: 3px solid #3b82f6;
        }
        #customerTable {
            font-size: 14px;
        }
        #customerTable th {
            background-color: #f3f4f6;
            position: sticky;
            top: 0;
        }
        .action-btn {
            padding: 2px 8px;
            font-size: 12px;
        }
    </style>
</head>
<body class="bg-gray-50 min-h-screen">
    <div class="container mx-auto px-4 py-6">
        <h1 class="text-2xl font-bold text-center text-blue-600 mb-6">Offline Customer Manager</h1>
        
        <!-- Customer Form -->
        <div class="bg-white rounded-lg shadow-md p-5 mb-6">
            <h2 class="text-lg font-semibold mb-3 text-gray-800 border-b pb-2">
                <span id="formTitle">Add New Customer</span>
                <button id="clearForm" class="float-right text-sm text-blue-600 hover:text-blue-800">Clear Form</button>
            </h2>
            
            <form id="customerForm" class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <input type="hidden" id="customerId">
                
                <!-- Left Column -->
                <div class="space-y-3">
                    <div>
                        <label for="name" class="block text-sm font-medium text-gray-700">Full Name*</label>
                        <input type="text" id="name" name="name" required 
                               class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                    </div>
                    
                    <div>
                        <label for="email" class="block text-sm font-medium text-gray-700">Email*</label>
                        <input type="email" id="email" name="email" required 
                               class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                    </div>
                    
                    <div>
                        <label for="phone" class="block text-sm font-medium text-gray-700">Phone*</label>
                        <input type="tel" id="phone" name="phone" required 
                               class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                    </div>
                </div>
                
                <!-- Right Column -->
                <div class="space-y-3">
                    <div>
                        <label for="company" class="block text-sm font-medium text-gray-700">Company</label>
                        <input type="text" id="company" name="company" 
                               class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                    </div>
                    
                    <div>
                        <label for="status" class="block text-sm font-medium text-gray-700">Status</label>
                        <select id="status" name="status" 
                                class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                            <option value="Active">Active</option>
                            <option value="Inactive">Inactive</option>
                            <option value="Prospect">Prospect</option>
                        </select>
                    </div>
                    
                    <div class="flex items-end gap-2">
                        <div class="flex-1">
                            <label for="lastContact" class="block text-sm font-medium text-gray-700">Last Contact</label>
                            <input type="date" id="lastContact" name="lastContact" 
                                   class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm">
                        </div>
                        <button type="button" id="setToday" class="text-sm bg-gray-200 hover:bg-gray-300 px-2 py-1 rounded">Today</button>
                    </div>
                </div>
                
                <!-- Full Width Fields -->
                <div class="md:col-span-2 space-y-3">
                    <div>
                        <label for="notes" class="block text-sm font-medium text-gray-700">Notes</label>
                        <textarea id="notes" name="notes" rows="2" 
                                  class="mt-1 block w-full rounded border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 p-2 border text-sm"></textarea>
                    </div>
                    
                    <div class="flex justify-between items-center">
                        <div>
                            <button type="submit" id="saveBtn" class="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700 text-sm">
                                Save Customer
                            </button>
                            <button type="button" id="cancelBtn" class="px-4 py-2 bg-gray-200 text-gray-800 rounded hover:bg-gray-300 ml-2 text-sm hidden">
                                Cancel
                            </button>
                        </div>
                        <button type="button" id="exportBtn" class="px-4 py-2 bg-green-600 text-white rounded hover:bg-green-700 text-sm">
                            Export to Excel
                        </button>
                    </div>
                </div>
            </form>
        </div>
        
        <!-- Customer Table -->
        <div class="bg-white rounded-lg shadow-md p-4">
            <div class="flex justify-between items-center mb-3">
                <h2 class="text-lg font-semibold text-gray-800">Customer List</h2>
                <div class="flex items-center gap-2">
                    <input type="text" id="searchInput" placeholder="Search customers..." 
                           class="border rounded p-1 text-sm w-48">
                    <button id="clearSearch" class="text-sm text-gray-500 hover:text-gray-700">Clear</button>
                </div>
            </div>
            
            <div class="overflow-x-auto">
                <table id="customerTable" class="w-full border-collapse">
                    <thead>
                        <tr class="text-left text-sm">
                            <th class="p-2 border-b">Name</th>
                            <th class="p-2 border-b">Email</th>
                            <th class="p-2 border-b">Phone</th>
                            <th class="p-2 border-b">Company</th>
                            <th class="p-2 border-b">Status</th>
                            <th class="p-2 border-b">Last Contact</th>
                            <th class="p-2 border-b text-center">Actions</th>
                        </tr>
                    </thead>
                    <tbody id="customerTableBody" class="text-sm">
                        <!-- Customer data will be inserted here -->
                    </tbody>
                </table>
            </div>
            
            <div class="mt-3 flex justify-between items-center text-sm text-gray-600">
                <div id="customerCount">0 customers</div>
                <button id="deleteAllBtn" class="text-red-600 hover:text-red-800">Delete All Customers</button>
            </div>
        </div>
    </div>

    <script>
        // Initialize variables
        let customers = JSON.parse(localStorage.getItem('customers')) || [];
        let isEditing = false;
        let currentEditId = null;

        // DOM Elements
        const customerForm = document.getElementById('customerForm');
        const customerTableBody = document.getElementById('customerTableBody');
        const customerCount = document.getElementById('customerCount');
        const searchInput = document.getElementById('searchInput');
        const clearSearch = document.getElementById('clearSearch');
        const clearForm = document.getElementById('clearForm');
        const saveBtn = document.getElementById('saveBtn');
        const cancelBtn = document.getElementById('cancelBtn');
        const exportBtn = document.getElementById('exportBtn');
        const deleteAllBtn = document.getElementById('deleteAllBtn');
        const setToday = document.getElementById('setToday');

        // Set today's date
        setToday.addEventListener('click', () => {
            const today = new Date().toISOString().split('T')[0];
            document.getElementById('lastContact').value = today;
        });

        // Clear form
        clearForm.addEventListener('click', (e) => {
            e.preventDefault();
            resetForm();
        });

        // Clear search
        clearSearch.addEventListener('click', () => {
            searchInput.value = '';
            renderCustomerTable(customers);
        });

        // Search functionality
        searchInput.addEventListener('input', (e) => {
            const searchTerm = e.target.value.toLowerCase();
            const filteredCustomers = customers.filter(customer => 
                customer.name.toLowerCase().includes(searchTerm) || 
                customer.email.toLowerCase().includes(searchTerm) ||
                customer.phone.toLowerCase().includes(searchTerm) ||
                (customer.company && customer.company.toLowerCase().includes(searchTerm))
            );
            renderCustomerTable(filteredCustomers);
        });

        // Form submission
        customerForm.addEventListener('submit', (e) => {
            e.preventDefault();
            
            const customerData = {
                id: isEditing ? currentEditId : Date.now().toString(),
                name: document.getElementById('name').value,
                email: document.getElementById('email').value,
                phone: document.getElementById('phone').value,
                company: document.getElementById('company').value,
                status: document.getElementById('status').value,
                lastContact: document.getElementById('lastContact').value,
                notes: document.getElementById('notes').value,
                createdAt: isEditing ? 
                    customers.find(c => c.id === currentEditId).createdAt : 
                    new Date().toISOString(),
                updatedAt: new Date().toISOString()
            };

            if (isEditing) {
                // Update existing customer
                customers = customers.map(customer => 
                    customer.id === currentEditId ? customerData : customer
                );
            } else {
                // Add new customer
                customers.push(customerData);
            }

            // Save to localStorage
            localStorage.setItem('customers', JSON.stringify(customers));
            
            // Refresh UI
            renderCustomerTable(customers);
            resetForm();
            
            // Auto export to Excel
            exportToExcel();
        });

        // Cancel edit
        cancelBtn.addEventListener('click', () => {
            resetForm();
        });

        // Export to Excel
        exportBtn.addEventListener('click', () => {
            exportToExcel();
        });

        // Delete all customers
        deleteAllBtn.addEventListener('click', () => {
            if (confirm('Are you sure you want to delete ALL customers? This cannot be undone.')) {
                customers = [];
                localStorage.setItem('customers', JSON.stringify(customers));
                renderCustomerTable(customers);
                resetForm();
            }
        });

        // Render customer table
        function renderCustomerTable(customersToRender) {
            customerTableBody.innerHTML = '';
            
            if (customersToRender.length === 0) {
                customerTableBody.innerHTML = `
                    <tr>
                        <td colspan="7" class="p-4 text-center text-gray-500">No customers found</td>
                    </tr>
                `;
                customerCount.textContent = '0 customers';
                return;
            }
            
            customersToRender.forEach(customer => {
                const row = document.createElement('tr');
                row.className = 'border-b hover:bg-gray-50';
                row.innerHTML = `
                    <td class="p-2">${customer.name}</td>
                    <td class="p-2">${customer.email}</td>
                    <td class="p-2">${customer.phone}</td>
                    <td class="p-2">${customer.company || '-'}</td>
                    <td class="p-2">
                        <span class="px-2 py-1 rounded-full text-xs 
                            ${customer.status === 'Active' ? 'bg-green-100 text-green-800' : 
                              customer.status === 'Inactive' ? 'bg-red-100 text-red-800' : 
                              'bg-yellow-100 text-yellow-800'}">
                            ${customer.status}
                        </span>
                    </td>
                    <td class="p-2">${customer.lastContact || '-'}</td>
                    <td class="p-2 text-center">
                        <button onclick="editCustomer('${customer.id}')" class="action-btn bg-blue-100 text-blue-800 hover:bg-blue-200">
                            Edit
                        </button>
                        <button onclick="deleteCustomer('${customer.id}')" class="action-btn bg-red-100 text-red-800 hover:bg-red-200 ml-1">
                            Delete
                        </button>
                    </td>
                `;
                customerTableBody.appendChild(row);
            });
            
            customerCount.textContent = `${customersToRender.length} customer${customersToRender.length !== 1 ? 's' : ''}`;
        }

        // Edit customer
        window.editCustomer = function(id) {
            const customer = customers.find(c => c.id === id);
            if (!customer) return;
            
            isEditing = true;
            currentEditId = id;
            
            // Update form title and buttons
            document.getElementById('formTitle').textContent = 'Edit Customer';
            saveBtn.textContent = 'Update Customer';
            cancelBtn.classList.remove('hidden');
            
            // Fill form with customer data
            document.getElementById('customerId').value = customer.id;
            document.getElementById('name').value = customer.name;
            document.getElementById('email').value = customer.email;
            document.getElementById('phone').value = customer.phone;
            document.getElementById('company').value = customer.company || '';
            document.getElementById('status').value = customer.status;
            document.getElementById('lastContact').value = customer.lastContact || '';
            document.getElementById('notes').value = customer.notes || '';
            
            // Scroll to form
            customerForm.scrollIntoView({ behavior: 'smooth' });
        };

        // Delete customer
        window.deleteCustomer = function(id) {
            if (!confirm('Are you sure you want to delete this customer?')) return;
            
            customers = customers.filter(customer => customer.id !== id);
            localStorage.setItem('customers', JSON.stringify(customers));
            renderCustomerTable(customers);
            
            // If we were editing this customer, reset the form
            if (isEditing && currentEditId === id) {
                resetForm();
            }
            
            // Auto export to Excel
            exportToExcel();
        };

        // Reset form
        function resetForm() {
            customerForm.reset();
            document.getElementById('customerId').value = '';
            isEditing = false;
            currentEditId = null;
            
            // Reset form title and buttons
            document.getElementById('formTitle').textContent = 'Add New Customer';
            saveBtn.textContent = 'Save Customer';
            cancelBtn.classList.add('hidden');
        }

        // Export to Excel
        function exportToExcel() {
            if (customers.length === 0) {
                alert('No customers to export');
                return;
            }
            
            // Prepare data for export
            const exportData = customers.map(customer => ({
                'Name': customer.name,
                'Email': customer.email,
                'Phone': customer.phone,
                'Company': customer.company || '',
                'Status': customer.status,
                'Last Contact': customer.lastContact || '',
                'Notes': customer.notes || '',
                'Created At': customer.createdAt,
                'Updated At': customer.updatedAt
            }));
            
            // Create worksheet
            const ws = XLSX.utils.json_to_sheet(exportData);
            
            // Create workbook
            const wb = XLSX.utils.book_new();
            XLSX.utils.book_append_sheet(wb, ws, "Customers");
            
            // Generate file name with current date
            const today = new Date();
            const dateStr = today.toISOString().split('T')[0];
            const fileName = `Customers_${dateStr}.xlsx`;
            
            // Export to file
            XLSX.writeFile(wb, fileName);
        }

        // Initialize the app
        document.addEventListener('DOMContentLoaded', () => {
            renderCustomerTable(customers);
            
            // Set default date to today
            const today = new Date().toISOString().split('T')[0];
            document.getElementById('lastContact').value = today;
        });
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=Seph0426/jowbox" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>