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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>Medication Leftovers Control System</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    colors: {
                        primary: '#3b82f6',
                        secondary: '#10b981',
                        danger: '#ef4444',
                    }
                }
            }
        }
    </script>
    <style>
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .fade-in {
            animation: fadeIn 0.3s ease-out forwards;
        }
        
        .signature-pad {
            border: 1px dashed #ccc;
            border-radius: 4px;
            background-color: #f9fafb;
        }
        
        input:focus, select:focus, textarea:focus {
            outline: 2px solid #3b82f6;
            outline-offset: 2px;
        }
    </style>
</head>
<body class="bg-gray-50 min-h-screen">
    <div class="container mx-auto px-4 py-8 max-w-4xl">
        <!-- Header -->
        <header class="mb-8 text-center">
            <h1 class="text-3xl font-bold text-primary mb-2">
                <i class="fas fa-pills mr-2"></i>Medication Leftovers Control
            </h1>
            <p class="text-gray-600">Track and manage medication leftovers with expiration dates and stability information</p>
        </header>
        
        <!-- Control Panel -->
        <div class="bg-white rounded-lg shadow-md p-6 mb-8">
            <div class="flex flex-wrap gap-4 mb-6">
                <button id="scanBtn" class="flex items-center px-4 py-2 bg-primary text-white rounded-lg hover:bg-blue-700 transition">
                    <i class="fas fa-barcode mr-2"></i> Scan Barcode
                </button>
                <button id="manualBtn" class="flex items-center px-4 py-2 bg-secondary text-white rounded-lg hover:bg-emerald-700 transition">
                    <i class="fas fa-keyboard mr-2"></i> Manual Entry
                </button>
                <button id="clearBtn" class="flex items-center px-4 py-2 bg-gray-200 text-gray-700 rounded-lg hover:bg-gray-300 transition">
                    <i class="fas fa-trash-alt mr-2"></i> Clear Form
                </button>
                <button id="saveBtn" class="flex items-center px-4 py-2 bg-green-500 text-white rounded-lg hover:bg-green-600 transition ml-auto">
                    <i class="fas fa-save mr-2"></i> Save Record
                </button>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                <!-- Left Column -->
                <div>
                    <div class="mb-4">
                        <label for="medication" class="block text-sm font-medium text-gray-700 mb-1">Medication Name *</label>
                        <div class="relative">
                            <input type="text" id="medication" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-primary" placeholder="Enter medication name">
                            <div id="medSuggestions" class="absolute z-10 w-full mt-1 bg-white border border-gray-300 rounded-lg shadow-lg hidden"></div>
                        </div>
                    </div>
                    
                    <div class="mb-4">
                        <label for="batch" class="block text-sm font-medium text-gray-700 mb-1">Batch Number *</label>
                        <input type="text" id="batch" class="w-full px-4 py-2 border border-gray-300 rounded-lg" placeholder="Enter batch number">
                    </div>
                    
                    <div class="mb-4">
                        <label for="expiration" class="block text-sm font-medium text-gray-700 mb-1">Expiration Date *</label>
                        <input type="date" id="expiration" class="w-full px-4 py-2 border border-gray-300 rounded-lg">
                    </div>
                    
                    <div class="mb-4">
                        <label for="quantity" class="block text-sm font-medium text-gray-700 mb-1">Quantity Left *</label>
                        <div class="flex">
                            <input type="number" id="quantity" class="w-3/4 px-4 py-2 border border-gray-300 rounded-l-lg" placeholder="Enter quantity">
                            <select id="unit" class="w-1/4 px-2 py-2 border border-gray-300 rounded-r-lg bg-gray-50">
                                <option value="tablets">tablets</option>
                                <option value="ml">ml</option>
                                <option value="mg">mg</option>
                                <option value="vials">vials</option>
                                <option value="ampoules">ampoules</option>
                            </select>
                        </div>
                    </div>
                </div>
                
                <!-- Right Column -->
                <div>
                    <div class="mb-4">
                        <label for="productionDate" class="block text-sm font-medium text-gray-700 mb-1">Production Date</label>
                        <input type="date" id="productionDate" class="w-full px-4 py-2 border border-gray-300 rounded-lg">
                    </div>
                    
                    <div class="mb-4">
                        <label for="stability" class="block text-sm font-medium text-gray-700 mb-1">Stability Information</label>
                        <select id="stability" class="w-full px-4 py-2 border border-gray-300 rounded-lg">
                            <option value="">Select stability</option>
                            <option value="room_temp">Room temperature (15-25°C)</option>
                            <option value="refrigerated">Refrigerated (2-8°C)</option>
                            <option value="frozen">Frozen (-20°C or below)</option>
                            <option value="protected_light">Protected from light</option>
                            <option value="special">Special conditions (see notes)</option>
                        </select>
                    </div>
                    
                    <div class="mb-4">
                        <label for="useExpiration" class="block text-sm font-medium text-gray-700 mb-1">Expiration Date After Opening</label>
                        <input type="date" id="useExpiration" class="w-full px-4 py-2 border border-gray-300 rounded-lg">
                    </div>
                    
                    <div class="mb-4">
                        <label for="laboratory" class="block text-sm font-medium text-gray-700 mb-1">Manufacturer/Laboratory</label>
                        <input type="text" id="laboratory" class="w-full px-4 py-2 border border-gray-300 rounded-lg" placeholder="Enter manufacturer name">
                    </div>
                </div>
            </div>
            
            <!-- Notes Section -->
            <div class="mb-6">
                <label for="notes" class="block text-sm font-medium text-gray-700 mb-1">Additional Notes</label>
                <textarea id="notes" rows="3" class="w-full px-4 py-2 border border-gray-300 rounded-lg" placeholder="Any special instructions or notes about this medication"></textarea>
            </div>
            
            <!-- Signature Section -->
            <div>
                <label class="block text-sm font-medium text-gray-700 mb-1">Responsible Person Signature</label>
                <div class="signature-pad p-4 mb-2">
                    <canvas id="signatureCanvas" width="100%" height="100"></canvas>
                </div>
                <div class="flex justify-between">
                    <button id="clearSignature" class="text-sm text-gray-500 hover:text-gray-700">
                        <i class="fas fa-eraser mr-1"></i> Clear Signature
                    </button>
                    <div class="text-sm text-gray-500">
                        <i class="fas fa-info-circle mr-1"></i> Sign above to confirm
                    </div>
                </div>
            </div>
        </div>
        
        <!-- Recent Records -->
        <div class="bg-white rounded-lg shadow-md p-6">
            <h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
                <i class="fas fa-history mr-2"></i> Recent Records
            </h2>
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-gray-200">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Date</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Medication</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Batch</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Expiration</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Quantity</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                        </tr>
                    </thead>
                    <tbody id="recordsTable" class="bg-white divide-y divide-gray-200">
                        <!-- Records will be added here dynamically -->
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // Sample medication database for autocomplete
            const medicationDatabase = [
                { name: "Amoxicillin 500mg", commonBatch: "AMX2023", stability: "room_temp", lab: "PharmaCorp" },
                { name: "Ibuprofen 200mg", commonBatch: "IBU2305", stability: "room_temp", lab: "MediHealth" },
                { name: "Insulin Glargine", commonBatch: "INS456", stability: "refrigerated", lab: "BioSolutions" },
                { name: "Paracetamol 500mg", commonBatch: "PARA789", stability: "room_temp", lab: "GenericMeds" },
                { name: "Loratadine 10mg", commonBatch: "LORA123", stability: "room_temp", lab: "AllerFree" },
                { name: "Omeprazole 20mg", commonBatch: "OME456", stability: "room_temp", lab: "GastroPharm" }
            ];
            
            // Set today's date as default
            const today = new Date();
            const todayFormatted = today.toISOString().split('T')[0];
            document.getElementById('productionDate').value = todayFormatted;
            
            // Initialize signature pad
            const canvas = document.getElementById('signatureCanvas');
            const ctx = canvas.getContext('2d');
            let isDrawing = false;
            let lastX = 0;
            let lastY = 0;
            
            // Set canvas size
            function resizeCanvas() {
                const container = canvas.parentElement;
                canvas.width = container.offsetWidth;
                canvas.height = 100;
            }
            resizeCanvas();
            window.addEventListener('resize', resizeCanvas);
            
            // Signature drawing functionality
            canvas.addEventListener('mousedown', (e) => {
                isDrawing = true;
                [lastX, lastY] = [e.offsetX, e.offsetY];
            });
            
            canvas.addEventListener('mousemove', (e) => {
                if (!isDrawing) return;
                ctx.beginPath();
                ctx.moveTo(lastX, lastY);
                ctx.lineTo(e.offsetX, e.offsetY);
                ctx.strokeStyle = '#000';
                ctx.lineWidth = 2;
                ctx.stroke();
                [lastX, lastY] = [e.offsetX, e.offsetY];
            });
            
            canvas.addEventListener('mouseup', () => isDrawing = false);
            canvas.addEventListener('mouseout', () => isDrawing = false);
            
            // Touch support for signature
            canvas.addEventListener('touchstart', (e) => {
                e.preventDefault();
                const touch = e.touches[0];
                const mouseEvent = new MouseEvent('mousedown', {
                    clientX: touch.clientX,
                    clientY: touch.clientY
                });
                canvas.dispatchEvent(mouseEvent);
            });
            
            canvas.addEventListener('touchmove', (e) => {
                e.preventDefault();
                const touch = e.touches[0];
                const mouseEvent = new MouseEvent('mousemove', {
                    clientX: touch.clientX,
                    clientY: touch.clientY
                });
                canvas.dispatchEvent(mouseEvent);
            });
            
            canvas.addEventListener('touchend', () => {
                const mouseEvent = new MouseEvent('mouseup');
                canvas.dispatchEvent(mouseEvent);
            });
            
            // Clear signature
            document.getElementById('clearSignature').addEventListener('click', () => {
                ctx.clearRect(0, 0, canvas.width, canvas.height);
            });
            
            // Medication autocomplete
            const medicationInput = document.getElementById('medication');
            const suggestionsContainer = document.getElementById('medSuggestions');
            
            medicationInput.addEventListener('input', function() {
                const input = this.value.toLowerCase();
                if (input.length < 2) {
                    suggestionsContainer.classList.add('hidden');
                    return;
                }
                
                const matches = medicationDatabase.filter(med => 
                    med.name.toLowerCase().includes(input)
                );
                
                if (matches.length > 0) {
                    suggestionsContainer.innerHTML = '';
                    matches.forEach(med => {
                        const div = document.createElement('div');
                        div.className = 'px-4 py-2 hover:bg-gray-100 cursor-pointer';
                        div.textContent = med.name;
                        div.addEventListener('click', () => {
                            medicationInput.value = med.name;
                            document.getElementById('batch').value = med.commonBatch;
                            document.getElementById('stability').value = med.stability;
                            document.getElementById('laboratory').value = med.lab;
                            suggestionsContainer.classList.add('hidden');
                            
                            // Set a future expiration date (1 year from now)
                            const futureDate = new Date();
                            futureDate.setFullYear(futureDate.getFullYear() + 1);
                            document.getElementById('expiration').value = futureDate.toISOString().split('T')[0];
                            
                            // Set use expiration (30 days from now)
                            const useDate = new Date();
                            useDate.setDate(useDate.getDate() + 30);
                            document.getElementById('useExpiration').value = useDate.toISOString().split('T')[0];
                        });
                        suggestionsContainer.appendChild(div);
                    });
                    suggestionsContainer.classList.remove('hidden');
                } else {
                    suggestionsContainer.classList.add('hidden');
                }
            });
            
            // Close suggestions when clicking elsewhere
            document.addEventListener('click', (e) => {
                if (e.target !== medicationInput) {
                    suggestionsContainer.classList.add('hidden');
                }
            });
            
            // Sample records data
            let records = [
                {
                    date: '2023-06-15',
                    medication: 'Amoxicillin 500mg',
                    batch: 'AMX2023',
                    expiration: '2024-06-14',
                    quantity: '15 tablets',
                    stability: 'Room temperature',
                    useExpiration: '2023-07-15',
                    laboratory: 'PharmaCorp',
                    notes: 'Keep in dry place'
                },
                {
                    date: '2023-06-10',
                    medication: 'Insulin Glargine',
                    batch: 'INS456',
                    expiration: '2023-12-10',
                    quantity: '2 vials',
                    stability: 'Refrigerated',
                    useExpiration: '2023-07-10',
                    laboratory: 'BioSolutions',
                    notes: 'Do not freeze'
                }
            ];
            
            // Render records table
            function renderRecords() {
                const tableBody = document.getElementById('recordsTable');
                tableBody.innerHTML = '';
                
                records.forEach((record, index) => {
                    const row = document.createElement('tr');
                    row.className = 'fade-in';
                    row.innerHTML = `
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${record.date}</td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">${record.medication}</td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${record.batch}</td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${record.expiration}</td>
                        <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${record.quantity}</td>
                        <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                            <button class="text-primary hover:text-blue-700 mr-3 view-btn" data-index="${index}">
                                <i class="fas fa-eye mr-1"></i> View
                            </button>
                            <button class="text-danger hover:text-red-700 delete-btn" data-index="${index}">
                                <i class="fas fa-trash-alt mr-1"></i> Delete
                            </button>
                        </td>
                    `;
                    tableBody.appendChild(row);
                });
                
                // Add event listeners to buttons
                document.querySelectorAll('.view-btn').forEach(btn => {
                    btn.addEventListener('click', function() {
                        const index = this.getAttribute('data-index');
                        viewRecord(index);
                    });
                });
                
                document.querySelectorAll('.delete-btn').forEach(btn => {
                    btn.addEventListener('click', function() {
                        const index = this.getAttribute('data-index');
                        deleteRecord(index);
                    });
                });
            }
            
            // View record details
            function viewRecord(index) {
                const record = records[index];
                alert(`Medication: ${record.medication}\nBatch: ${record.batch}\nExpiration: ${record.expiration}\nQuantity: ${record.quantity}\nStability: ${record.stability}\nUse Until: ${record.useExpiration}\nLab: ${record.laboratory}\nNotes: ${record.notes}`);
            }
            
            // Delete record
            function deleteRecord(index) {
                if (confirm('Are you sure you want to delete this record?')) {
                    records.splice(index, 1);
                    renderRecords();
                }
            }
            
            // Save new record
            document.getElementById('saveBtn').addEventListener('click', function() {
                const medication = document.getElementById('medication').value;
                const batch = document.getElementById('batch').value;
                const expiration = document.getElementById('expiration').value;
                const quantity = document.getElementById('quantity').value + ' ' + document.getElementById('unit').value;
                const productionDate = document.getElementById('productionDate').value;
                const stability = document.getElementById('stability').options[document.getElementById('stability').selectedIndex].text;
                const useExpiration = document.getElementById('useExpiration').value;
                const laboratory = document.getElementById('laboratory').value;
                const notes = document.getElementById('notes').value;
                
                if (!medication || !batch || !expiration || !quantity) {
                    alert('Please fill in all required fields (marked with *)');
                    return;
                }
                
                // Check if signature is present
                const signatureEmpty = canvas.toDataURL() === document.createElement('canvas').toDataURL();
                if (signatureEmpty) {
                    alert('Please provide a signature to confirm the record');
                    return;
                }
                
                const newRecord = {
                    date: todayFormatted,
                    medication,
                    batch,
                    expiration,
                    quantity,
                    productionDate,
                    stability,
                    useExpiration,
                    laboratory,
                    notes
                };
                
                records.unshift(newRecord);
                renderRecords();
                
                // Clear form
                document.getElementById('clearBtn').click();
                
                // Show success message
                const successMsg = document.createElement('div');
                successMsg.className = 'fixed bottom-4 right-4 bg-green-500 text-white px-4 py-2 rounded-lg shadow-lg flex items-center';
                successMsg.innerHTML = '<i class="fas fa-check-circle mr-2"></i> Record saved successfully!';
                document.body.appendChild(successMsg);
                
                setTimeout(() => {
                    successMsg.classList.add('opacity-0', 'transition-opacity', 'duration-500');
                    setTimeout(() => successMsg.remove(), 500);
                }, 3000);
            });
            
            // Clear form
            document.getElementById('clearBtn').addEventListener('click', function() {
                document.getElementById('medication').value = '';
                document.getElementById('batch').value = '';
                document.getElementById('expiration').value = '';
                document.getElementById('quantity').value = '';
                document.getElementById('unit').value = 'tablets';
                document.getElementById('productionDate').value = todayFormatted;
                document.getElementById('stability').value = '';
                document.getElementById('useExpiration').value = '';
                document.getElementById('laboratory').value = '';
                document.getElementById('notes').value = '';
                ctx.clearRect(0, 0, canvas.width, canvas.height);
            });
            
            // Simulate barcode scan
            document.getElementById('scanBtn').addEventListener('click', function() {
                // Simulate scanning a random medication
                const randomMed = medicationDatabase[Math.floor(Math.random() * medicationDatabase.length)];
                document.getElementById('medication').value = randomMed.name;
                document.getElementById('batch').value = randomMed.commonBatch;
                document.getElementById('stability').value = randomMed.stability;
                document.getElementById('laboratory').value = randomMed.lab;
                
                // Set dates
                const futureDate = new Date();
                futureDate.setFullYear(futureDate.getFullYear() + 1);
                document.getElementById('expiration').value = futureDate.toISOString().split('T')[0];
                
                const useDate = new Date();
                useDate.setDate(useDate.getDate() + 30);
                document.getElementById('useExpiration').value = useDate.toISOString().split('T')[0];
                
                // Set random quantity
                document.getElementById('quantity').value = Math.floor(Math.random() * 20) + 5;
                
                // Show scan animation
                const scanAnimation = document.createElement('div');
                scanAnimation.className = 'fixed inset-0 bg-black bg-opacity-70 flex items-center justify-center z-50';
                scanAnimation.innerHTML = `
                    <div class="bg-white p-6 rounded-lg text-center max-w-sm">
                        <div class="text-4xl mb-4">
                            <i class="fas fa-barcode animate-pulse text-primary"></i>
                        </div>
                        <h3 class="text-xl font-semibold mb-2">Scanning Barcode</h3>
                        <p class="text-gray-600 mb-4">Detected: ${randomMed.name}</p>
                        <div class="h-1 w-full bg-gray-200 rounded-full overflow-hidden">
                            <div class="h-full bg-primary rounded-full animate-progress"></div>
                        </div>
                    </div>
                `;
                document.body.appendChild(scanAnimation);
                
                setTimeout(() => {
                    scanAnimation.classList.add('opacity-0', 'transition-opacity', 'duration-300');
                    setTimeout(() => scanAnimation.remove(), 300);
                }, 1500);
            });
            
            // Initial render of records
            renderRecords();
        });
    </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=Lechugaia/cmp" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
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