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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>Schedule Analysis | Turnaround Optimizer Pro</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://unpkg.com/feather-icons"></script>
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <style>
        .gantt-bar {
            height: 24px;
            border-radius: 4px;
            position: relative;
        }
        .critical-path {
            background-color: rgba(239, 68, 68, 0.7);
        }
        .optimized-path {
            background-color: rgba(16, 185, 129, 0.7);
        }
        .dependency-line {
            position: absolute;
            height: 2px;
            background-color: #6b7280;
            transform-origin: left center;
        }
    </style>
</head>
<body class="bg-gray-50 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <div class="flex justify-between items-center mb-8">
            <div>
                <h1 class="text-2xl font-bold text-gray-800">Schedule Analysis</h1>
                <p class="text-gray-600">Visual optimization opportunities for <span class="font-medium">PIP-2034</span></p>
            </div>
            <a href="index.html" class="flex items-center text-blue-600 hover:text-blue-800">
                <i data-feather="arrow-left" class="w-4 h-4 mr-1"></i> Back to Upload
            </a>
        </div>

        <div class="grid grid-cols-1 lg:grid-cols-3 gap-8 mb-8">
            <!-- Overview Card -->
            <div class="bg-white rounded-xl shadow-md p-6 lg:col-span-1">
                <div class="flex items-center mb-4">
                    <div class="bg-blue-100 p-2 rounded-full mr-3">
                        <i data-feather="activity" class="text-blue-500"></i>
                    </div>
                    <h2 class="text-xl font-semibold text-gray-800">Optimization Summary</h2>
                </div>
                <div class="space-y-4">
                    <div>
                        <p class="text-sm text-gray-600 mb-1">Original Duration</p>
                        <p class="text-lg font-medium">7 days</p>
                    </div>
                    <div>
                        <p class="text-sm text-gray-600 mb-1">Optimized Duration</p>
                        <p class="text-lg font-medium text-green-600">4.5 days</p>
                    </div>
                    <div>
                        <p class="text-sm text-gray-600 mb-1">Savings</p>
                        <p class="text-lg font-medium">2.5 days (36%)</p>
                    </div>
                    <div class="pt-4 border-t border-gray-200">
                        <p class="text-sm text-gray-600 mb-1">Impact on Critical Path</p>
                        <div class="w-full bg-gray-200 rounded-full h-2.5 mt-2">
                            <div class="bg-purple-600 h-2.5 rounded-full" style="width: 78%"></div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Gantt Chart -->
            <div class="bg-white rounded-xl shadow-md p-6 lg:col-span-2">
                <div class="flex items-center mb-6">
                    <div class="bg-green-100 p-2 rounded-full mr-3">
                        <i data-feather="bar-chart-2" class="text-green-500"></i>
                    </div>
                    <h2 class="text-xl font-semibold text-gray-800">Gantt Comparison</h2>
                </div>
                <div class="relative" style="height: 300px;">
                    <div class="absolute inset-0 overflow-x-auto">
                        <div class="flex flex-col space-y-8 min-w-max">
                            <!-- Original Schedule -->
                            <div>
                                <div class="flex items-center mb-2">
                                    <span class="text-sm font-medium text-gray-700 mr-4">Original</span>
                                    <span class="text-xs text-gray-500">Day 1 → Day 7</span>
                                </div>
                                <div class="gantt-bar critical-path" style="width: 400px;">
                                    <div class="absolute -left-2 -top-2 bg-red-500 text-white text-xs px-1 rounded">PIP-2034</div>
                                </div>
                            </div>
                            
                            <!-- Optimized Schedule -->
                            <div>
                                <div class="flex items-center mb-2">
                                    <span class="text-sm font-medium text-gray-700 mr-4">Optimized</span>
                                    <span class="text-xs text-gray-500">Day 1 → Day 4.5</span>
                                </div>
                                <div class="flex space-x-8">
                                    <div class="gantt-bar optimized-path" style="width: 200px;">
                                        <div class="absolute -left-2 -top-2 bg-green-500 text-white text-xs px-1 rounded">PIP-2034-A</div>
                                    </div>
                                    <div class="gantt-bar optimized-path" style="width: 150px; margin-left: 50px;">
                                        <div class="absolute -left-2 -top-2 bg-green-500 text-white text-xs px-1 rounded">PIP-2034-B</div>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- Dependency Lines -->
                            <div class="relative" style="height: 60px;">
                                <div class="dependency-line" style="width: 50px; top: 30px; left: 200px; transform: rotate(90deg);"></div>
                                <div class="absolute text-xs text-gray-500" style="left: 210px; top: 15px;">SS+2</div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="mt-6">
                    <div class="flex items-center">
                        <div class="w-3 h-3 bg-red-500 rounded-full mr-2"></div>
                        <span class="text-sm text-gray-700">Critical Path</span>
                        <div class="w-3 h-3 bg-green-500 rounded-full mr-2 ml-4"></div>
                        <span class="text-sm text-gray-700">Optimized Path</span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Charts Section -->
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-8 mb-8">
            <!-- Productivity Impact -->
            <div class="bg-white rounded-xl shadow-md p-6">
                <div class="flex items-center mb-4">
                    <div class="bg-yellow-100 p-2 rounded-full mr-3">
                        <i data-feather="trending-up" class="text-yellow-500"></i>
                    </div>
                    <h2 class="text-xl font-semibold text-gray-800">Productivity Impact</h2>
                </div>
                <div class="h-64">
                    <canvas id="productivityChart"></canvas>
                </div>
            </div>

            <!-- Cost Analysis -->
            <div class="bg-white rounded-xl shadow-md p-6">
                <div class="flex items-center mb-4">
                    <div class="bg-purple-100 p-2 rounded-full mr-3">
                        <i data-feather="dollar-sign" class="text-purple-500"></i>
                    </div>
                    <h2 class="text-xl font-semibold text-gray-800">Cost Analysis</h2>
                </div>
                <div class="h-64">
                    <canvas id="costChart"></canvas>
                </div>
            </div>
        </div>

        <!-- Detailed Recommendation -->
        <div class="bg-white rounded-xl shadow-md p-6 mb-8">
            <div class="flex items-center mb-4">
                <div class="bg-blue-100 p-2 rounded-full mr-3">
                    <i data-feather="clipboard" class="text-blue-500"></i>
                </div>
                <h2 class="text-xl font-semibold text-gray-800">Implementation Details</h2>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                <div>
                    <h3 class="font-medium text-gray-800 mb-2">Current Logic</h3>
                    <ul class="list-disc pl-5 space-y-2 text-gray-700">
                        <li>Finish-to-Start relationship with scaffolding (PIP-2034 → SCA-1234)</li>
                        <li>Single crew allocation (5 workers)</li>
                        <li>Standard 5x8 work week</li>
                    </ul>
                </div>
                <div>
                    <h3 class="font-medium text-gray-800 mb-2">Optimized Approach</h3>
                    <ul class="list-disc pl-5 space-y-2 text-gray-700">
                        <li>Split into parallel activities (PIP-2034-A/B) with SS+2 relationship</li>
                        <li>Added swing shift (3 workers) with 1.15x OT multiplier</li>
                        <li>Prefabricated piping (30% reduction in field work)</li>
                    </ul>
                </div>
            </div>
            <div class="mt-6 pt-6 border-t border-gray-200">
                <h3 class="font-medium text-gray-800 mb-3">Risk Assessment</h3>
                <div class="flex items-center space-x-4">
                    <div class="flex-1">
                        <div class="flex justify-between text-sm text-gray-600 mb-1">
                            <span>Safety</span>
                            <span>Low</span>
                        </div>
                        <div class="w-full bg-gray-200 rounded-full h-2">
                            <div class="bg-green-500 h-2 rounded-full" style="width: 20%"></div>
                        </div>
                    </div>
                    <div class="flex-1">
                        <div class="flex justify-between text-sm text-gray-600 mb-1">
                            <span>Cost</span>
                            <span>Medium</span>
                        </div>
                        <div class="w-full bg-gray-200 rounded-full h-2">
                            <div class="bg-yellow-500 h-2 rounded-full" style="width: 50%"></div>
                        </div>
                    </div>
                    <div class="flex-1">
                        <div class="flex justify-between text-sm text-gray-600 mb-1">
                            <span>Schedule</span>
                            <span>High</span>
                        </div>
                        <div class="w-full bg-gray-200 rounded-full h-2">
                            <div class="bg-red-500 h-2 rounded-full" style="width: 80%"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Export Options -->
        <div class="bg-white rounded-xl shadow-md p-6">
            <div class="flex flex-col md:flex-row md:items-center md:justify-between">
                <div class="mb-4 md:mb-0">
                    <h2 class="text-lg font-semibold text-gray-800">Export Analysis</h2>
                    <p class="text-sm text-gray-600">Generate reports for your team</p>
                </div>
                <div class="flex space-x-3">
                    <button class="flex items-center px-4 py-2 border border-gray-300 rounded-md text-gray-700 hover:bg-gray-50">
                        <i data-feather="download" class="w-4 h-4 mr-2"></i> PDF
                    </button>
                    <button class="flex items-center px-4 py-2 border border-gray-300 rounded-md text-gray-700 hover:bg-gray-50">
                        <i data-feather="download" class="w-4 h-4 mr-2"></i> Excel
                    </button>
                    <button class="flex items-center px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700">
                        <i data-feather="share-2" class="w-4 h-4 mr-2"></i> Share
                    </button>
                </div>
            </div>
        </div>
    </div>

    <script>
        // Initialize charts
        document.addEventListener('DOMContentLoaded', function() {
            // Productivity Chart
            const productivityCtx = document.getElementById('productivityChart').getContext('2d');
            new Chart(productivityCtx, {
                type: 'bar',
                data: {
                    labels: ['Original', 'Optimized'],
                    datasets: [{
                        label: 'Productivity Factor',
                        data: [0.75, 0.87],
                        backgroundColor: [
                            'rgba(239, 68, 68, 0.6)',
                            'rgba(16, 185, 129, 0.6)'
                        ],
                        borderColor: [
                            'rgba(239, 68, 68, 1)',
                            'rgba(16, 185, 129, 1)'
                        ],
                        borderWidth: 1
                    }]
                },
                options: {
                    scales: {
                        y: {
                            beginAtZero: true,
                            max: 1.0
                        }
                    },
                    plugins: {
                        legend: {
                            display: false
                        }
                    }
                }
            });

            // Cost Chart
            const costCtx = document.getElementById('costChart').getContext('2d');
            new Chart(costCtx, {
                type: 'doughnut',
                data: {
                    labels: ['Labor Savings', 'Overtime Cost', 'Material Cost', 'Equipment'],
                    datasets: [{
                        data: [12500, -4800, 2000, 1000],
                        backgroundColor: [
                            'rgba(16, 185, 129, 0.6)',
                            'rgba(239, 68, 68, 0.6)',
                            'rgba(59, 130, 246, 0.6)',
                            'rgba(249, 115, 22, 0.6)'
                        ],
                        borderColor: [
                            'rgba(16, 185, 129, 1)',
                            'rgba(239, 68, 68, 1)',
                            'rgba(59, 130, 246, 1)',
                            'rgba(249, 115, 22, 1)'
                        ],
                        borderWidth: 1
                    }]
                },
                options: {
                    plugins: {
                        legend: {
                            position: 'right'
                        }
                    }
                }
            });

            // Initialize feather icons
            feather.replace();
        });
    </script>
</body>
</html>