overrride works perfect

assets/css/custom.css

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+
+/* General Body Styling */
+body {
+    background-color: #121212;
+    color: #E0E0E0;
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+}
+
+/* Main wrapper for sidebar and content */
+.main-wrapper {
+    display: flex;
+    min-height: 100vh;
+}
+
+/* Sidebar Styling */
+.sidebar {
+    width: 260px;
+    background-color: #1E1E1E;
+    padding: 1.5rem;
+    border-right: 1px solid #333333;
+}
+
+.sidebar .nav-link {
+    color: #A0A0A0;
+    padding: 0.75rem 1rem;
+    margin-bottom: 0.5rem;
+    border-radius: 0.5rem;
+    font-weight: 500;
+}
+
+.sidebar .nav-link:hover {
+    color: #E0E0E0;
+    background-color: #282828;
+}
+
+.sidebar .nav-link.active {
+    color: #FFFFFF;
+    background-color: #377DFF;
+}
+
+/* Content Area */
+.content-wrapper {
+    flex-grow: 1;
+    padding: 2rem;
+    overflow-y: auto;
+}
+
+/* Top Navbar */
+.top-navbar {
+    background-color: #1E1E1E;
+    border-bottom: 1px solid #333333;
+    padding: 1rem 2rem;
+    color: #E0E0E0;
+    font-size: 1.25rem;
+    font-weight: 600;
+}
+
+/* Page Header */
+.page-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 1.5rem;
+}
+
+/* Card & Table Styling */
+.card {
+    background-color: #1E1E1E;
+    border: 1px solid #333333;
+    border-radius: 0.5rem;
+}
+
+.table {
+    color: #E0E0E0;
+    border-color: #333333;
+    margin-bottom: 0; /* Remove default margin */
+}
+
+.table th, .table td {
+    border-color: #333333;
+    padding: 1rem; /* Comfortable row height */
+    white-space: nowrap;
+}
+
+.table thead th {
+    background-color: #282828;
+    border-bottom-width: 2px;
+}
+
+.table-hover tbody tr:hover {
+    color: #E0E0E0;
+    background-color: #2a2a2a;
+}
+
+/* Button Styling */
+.btn-primary {
+    background-color: #377DFF;
+    border-color: #377DFF;
+}
+.btn-primary:hover, .btn-primary:focus {
+    background-color: #2968d6;
+    border-color: #2968d6;
+}
+
+/* Make disabled buttons look right */
+.btn.disabled, .btn:disabled {
+    opacity: 0.5;
+}
+
+/* Utility for spacious layout */
+.header-actions .btn {
+    margin-left: 0.5rem;
+}
+
+/* Uniform Button Sizing */
+.page-header .header-actions .btn,
+.card .actions .btn,
+#override-btn {
+    min-width: 150px;
+    text-align: center;
+}

assets/js/billing.js

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+function initBillingPage(projectId) {
+    const saveBtn = document.getElementById('save-billing');
+    const billingAmountInputs = document.querySelectorAll('.billing-amount');
+    const totalBillingCell = document.getElementById('total-billing');
+
+    function parseEuroNumber(str) {
+        if (!str) return 0;
+        // Remove thousand separators (.) and replace decimal comma (,) with a period (.)
+        const cleanedStr = str.toString().replace(/\./g, '').replace(',', '.');
+        return parseFloat(cleanedStr);
+    }
+
+    function formatToEuro(num) {
+        return num.toLocaleString('de-DE', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+    }
+
+    function updateTotalBilling() {
+        let total = 0;
+        billingAmountInputs.forEach(input => {
+            total += parseEuroNumber(input.value) || 0;
+        });
+        totalBillingCell.textContent = formatToEuro(total);
+    }
+
+    billingAmountInputs.forEach(input => {
+        input.addEventListener('input', updateTotalBilling); // Use 'input' for better response
+    });
+
+    if (saveBtn) {
+        saveBtn.addEventListener('click', function() {
+            const billingData = [];
+            billingAmountInputs.forEach(input => {
+                billingData.push({
+                    month: input.dataset.month,
+                    amount: parseEuroNumber(input.value) // Send the parsed number
+                });
+            });
+
+            const formData = new FormData();
+            formData.append('projectId', projectId);
+            formData.append('billingData', JSON.stringify(billingData));
+
+            fetch('save_billing.php', {
+                method: 'POST',
+                body: formData
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    alert('Billing data saved successfully!');
+                } else {
+                    alert('Error saving billing data: ' + data.error);
+                }
+            })
+            .catch(error => {
+                console.error('Error:', error);
+                alert('An unexpected error occurred.');
+            });
+        });
+    }
+
+    // Initial calculation
+    updateTotalBilling();
+}

assets/js/expenses.js

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+function initExpensesPage(projectId) {
+    document.querySelectorAll('.expenses-amount').forEach(input => {
+        input.addEventListener('blur', function() {
+            const month = this.dataset.month;
+            const amount = this.value;
+
+            const formData = new FormData();
+            formData.append('projectId', projectId);
+            formData.append('month', month);
+            formData.append('amount', amount);
+
+            fetch('save_expenses.php', {
+                method: 'POST',
+                body: formData
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    // Maybe show a small success indicator
+                } else {
+                    alert('Error saving expenses amount: ' + data.error);
+                }
+            })
+            .catch(error => {
+                console.error('Error:', error);
+                alert('An unexpected error occurred.');
+            });
+        });
+    });
+}

assets/js/forecasting.js

@@ -0,0 +1,109 @@
+$(document).ready(function() {
+    // Version selector
+    $('#versionSelector').on('change', function() {
+        const projectId = new URLSearchParams(window.location.search).get('projectId');
+        const version = $(this).val();
+        window.location.href = `forecasting.php?projectId=${projectId}&version=${version}`;
+    });
+
+    // Roster search with Select2
+    $('#rosterSearch').select2({
+        theme: 'bootstrap-5',
+        placeholder: 'Search by name or SAP code...',
+        allowClear: true
+    });
+
+    // --- Inline editing for allocated days ---
+    const table = document.querySelector('.table');
+    let originalValue = null;
+
+    // Use event delegation on the table body
+    const tableBody = table.querySelector('tbody');
+
+    tableBody.addEventListener('click', function(event) {
+        const cell = event.target.closest('.editable');
+        if (!cell) return; // Clicked outside an editable cell
+
+        // If the cell is already being edited, do nothing
+        if (cell.isContentEditable) return;
+
+        originalValue = cell.textContent.trim();
+        cell.setAttribute('contenteditable', 'true');
+        
+        // Select all text in the cell
+        const range = document.createRange();
+        range.selectNodeContents(cell);
+        const selection = window.getSelection();
+        selection.removeAllRanges();
+        selection.addRange(range);
+        
+        cell.focus();
+    });
+
+    tableBody.addEventListener('focusout', function(event) {
+        const cell = event.target.closest('.editable');
+        if (!cell) return;
+
+        cell.removeAttribute('contenteditable');
+        const newValue = cell.textContent.trim();
+
+        // Only update if the value has changed and is a valid number
+        if (newValue !== originalValue && !isNaN(newValue)) {
+            updateAllocation(cell, newValue);
+        } else if (newValue !== originalValue) {
+            // Revert if the new value is not a number
+            cell.textContent = originalValue;
+        }
+    });
+
+    tableBody.addEventListener('keydown', function(event) {
+        if (event.key === 'Enter' && event.target.classList.contains('editable')) {
+            event.preventDefault();
+            event.target.blur(); // Triggers focusout to save
+        } else if (event.key === 'Escape' && event.target.classList.contains('editable')) {
+            event.target.textContent = originalValue; // Revert changes
+            event.target.blur(); // Trigger focusout
+        }
+    });
+
+    function updateAllocation(cell, allocatedDays) {
+        const rosterId = cell.dataset.rosterId;
+        const month = cell.dataset.month;
+        const forecastingId = cell.dataset.forecastingId;
+        const projectId = new URLSearchParams(window.location.search).get('projectId');
+        const originalContent = cell.innerHTML;
+
+        // Add loading indicator
+        cell.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>`;
+
+        $.ajax({
+            url: 'forecasting_actions.php',
+            type: 'POST',
+            dataType: 'json',
+            data: {
+                action: 'update_allocation',
+                forecastingId: forecastingId,
+                rosterId: rosterId,
+                month: month,
+                allocatedDays: allocatedDays,
+                projectId: projectId
+            },
+            success: function(response) {
+                if (response.success) {
+                    // The server-side action reloads the page, so no need to update the cell manually.
+                    // If the reload were disabled, we'd do: cell.textContent = allocatedDays;
+                    window.location.reload(); // Ensure data consistency
+                } else {
+                    console.error('Update failed:', response.error);
+                    alert('Error: ' + response.error);
+                    cell.innerHTML = originalContent; // Revert on failure
+                }
+            },
+            error: function(xhr, status, error) {
+                console.error('AJAX error:', error);
+                alert('An unexpected error occurred. Please try again.');
+                cell.innerHTML = originalContent; // Revert on AJAX error
+            }
+        });
+    }
+});

assets/js/main.js

@@ -0,0 +1,74 @@
+document.addEventListener('DOMContentLoaded', function () {
+    // New Resource Modal
+    const newResourceBtn = document.getElementById('newResourceBtn');
+    const newResourceModalEl = document.getElementById('newResourceModal');
+    if (newResourceBtn && newResourceModalEl) {
+        const newResourceModal = new bootstrap.Modal(newResourceModalEl);
+        newResourceBtn.addEventListener('click', function () {
+            newResourceModal.show();
+        });
+    }
+
+    // Edit Resource Modal
+    const editResourceModalEl = document.getElementById('editResourceModal');
+    if (editResourceModalEl) {
+        const editResourceModal = new bootstrap.Modal(editResourceModalEl);
+        const editButtons = document.querySelectorAll('.edit-btn');
+
+        editButtons.forEach(button => {
+            button.addEventListener('click', function () {
+                const data = JSON.parse(this.getAttribute('data-row'));
+
+                document.getElementById('edit-id').value = data.id;
+                document.getElementById('edit-sapCode').value = data.sapCode;
+                document.getElementById('edit-fullNameEn').value = data.fullNameEn;
+                document.getElementById('edit-legalEntity').value = data.legalEntity;
+                document.getElementById('edit-functionBusinessUnit').value = data.functionBusinessUnit;
+                document.getElementById('edit-costCenterCode').value = data.costCenterCode;
+                document.getElementById('edit-level').value = data.level;
+                document.getElementById('edit-newAmendedSalary').value = data.newAmendedSalary;
+                document.getElementById('edit-employerContributions').value = data.employerContributions;
+                document.getElementById('edit-cars').value = data.cars;
+                document.getElementById('edit-ticketRestaurant').value = data.ticketRestaurant;
+                document.getElementById('edit-metlife').value = data.metlife;
+                document.getElementById('edit-topusPerMonth').value = data.topusPerMonth;
+                document.getElementById('edit-grossRevenue').value = data.grossRevenue;
+
+                editResourceModal.show();
+            });
+        });
+    }
+
+    // View Resource Modal
+    const viewResourceModalEl = document.getElementById('viewResourceModal');
+    if (viewResourceModalEl) {
+        const viewResourceModal = new bootstrap.Modal(viewResourceModalEl);
+        const viewButtons = document.querySelectorAll('.view-btn');
+
+        viewButtons.forEach(button => {
+            button.addEventListener('click', function () {
+                const data = JSON.parse(this.getAttribute('data-row'));
+
+                document.getElementById('view-sapCode').value = data.sapCode;
+                document.getElementById('view-fullNameEn').value = data.fullNameEn;
+                document.getElementById('view-legalEntity').value = data.legalEntity;
+                document.getElementById('view-functionBusinessUnit').value = data.functionBusinessUnit;
+                document.getElementById('view-costCenterCode').value = data.costCenterCode;
+                document.getElementById('view-level').value = data.level;
+                document.getElementById('view-newAmendedSalary').value = '€' + parseFloat(data.newAmendedSalary).toFixed(2);
+                document.getElementById('view-employerContributions').value = '€' + parseFloat(data.employerContributions).toFixed(2);
+                document.getElementById('view-cars').value = '€' + parseFloat(data.cars).toFixed(2);
+                document.getElementById('view-ticketRestaurant').value = '€' + parseFloat(data.ticketRestaurant).toFixed(2);
+                document.getElementById('view-metlife').value = '€' + parseFloat(data.metlife).toFixed(2);
+                document.getElementById('view-topusPerMonth').value = '€' + parseFloat(data.topusPerMonth).toFixed(2);
+                document.getElementById('view-totalSalaryCostWithLabor').value = '€' + parseFloat(data.totalSalaryCostWithLabor).toFixed(2);
+                document.getElementById('view-totalMonthlyCost').value = '€' + parseFloat(data.totalMonthlyCost).toFixed(2);
+                document.getElementById('view-totalAnnualCost').value = '€' + parseFloat(data.totalAnnualCost).toFixed(2);
+                document.getElementById('view-grossRevenue').value = '€' + parseFloat(data.grossRevenue).toFixed(2);
+                document.getElementById('view-dailyCost').value = '€' + (parseFloat(data.totalMonthlyCost) / 20).toFixed(2);
+
+                viewResourceModal.show();
+            });
+        });
+    }
+});

assets/js/project_details.js

@@ -0,0 +1,86 @@
+document.addEventListener('DOMContentLoaded', function () {
+    const overrideBtns = document.querySelectorAll('.btn-override');
+
+    overrideBtns.forEach(btn => {
+        btn.addEventListener('click', function () {
+            const projectId = this.dataset.projectId;
+            const month = this.dataset.month;
+
+            if (this.textContent.trim() === 'Override') {
+                this.textContent = 'Save';
+                this.classList.remove('btn-outline-primary');
+                this.classList.add('btn-success');
+
+                makeEditable('WIP', month);
+                makeEditable('Opening Balance', month);
+                makeEditable('Billings', month);
+                makeEditable('Expenses', month);
+                makeEditable('Cost', month);
+
+            } else if (this.textContent.trim() === 'Save') {
+                const formData = new FormData();
+                formData.append('projectId', projectId);
+                formData.append('month', month + '-01');
+                formData.append('wip', document.getElementById(`wip-${month}-input`).value);
+                formData.append('openingBalance', document.getElementById(`opening-balance-${month}-input`).value);
+                formData.append('billings', document.getElementById(`billings-${month}-input`).value);
+                formData.append('expenses', document.getElementById(`expenses-${month}-input`).value);
+                formData.append('cost', document.getElementById(`cost-${month}-input`).value);
+
+                fetch('save_override.php', {
+                    method: 'POST',
+                    body: formData
+                })
+                .then(response => {
+                    if (!response.ok) {
+                        // Get response text for error message
+                        return response.text().then(text => {
+                            throw new Error(`HTTP error! status: ${response.status}, response: ${text}`);
+                        });
+                    }
+                    return response.json(); // Directly parse JSON
+                })
+                .then(data => {
+                    if (data.success) {
+                        location.reload();
+                    } else {
+                        alert('Error saving override: ' + (data.message || 'Unknown error.'));
+                    }
+                })
+                .catch(error => {
+                    console.error('Error:', error);
+                    alert(`An unexpected error occurred: ${error.message}`);
+                });
+            }
+        });
+    });
+
+    function makeEditable(metric, month) {
+        const cellId = `${metric.toLowerCase().replace(/\s/g, '-')}-${month}`;
+        const cell = document.getElementById(cellId);
+        if (cell) {
+            let value = cell.textContent.replace(/[€%]/g, '').replace(/,/g, '').trim();
+            let numericValue = parseFloat(value);
+            if (isNaN(numericValue)) {
+                numericValue = 0;
+            }
+            if (metric === 'Margin') {
+                numericValue = numericValue / 100;
+            }
+            cell.innerHTML = `<input type="number" step="0.01" id="${cellId}-input" class="form-control" value="${numericValue.toFixed(2)}">`;
+        }
+    }
+
+    function updateMetricCell(metric, month, value) {
+        const cellId = `${metric.toLowerCase().replace(/\s/g, '-')}-${month}`;
+        const cell = document.getElementById(cellId);
+        if (cell) {
+            const numericValue = value === '' ? 0 : parseFloat(value);
+            if (metric === 'Margin') {
+                cell.innerHTML = `${(numericValue * 100).toFixed(2)}%`;
+            } else {
+                cell.innerHTML = `€${numericValue.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;
+            }
+        }
+    }
+});

assets/js/projects.js

@@ -0,0 +1,35 @@
+document.addEventListener('DOMContentLoaded', function () {
+    // New Project Modal
+    const newProjectBtn = document.getElementById('newProjectBtn');
+    const newProjectModalEl = document.getElementById('newProjectModal');
+    if (newProjectBtn && newProjectModalEl) {
+        const newProjectModal = new bootstrap.Modal(newProjectModalEl);
+        newProjectBtn.addEventListener('click', function () {
+            newProjectModal.show();
+        });
+    }
+
+    // Edit Project Modal
+    const editProjectModalEl = document.getElementById('editProjectModal');
+    if (editProjectModalEl) {
+        const editProjectModal = new bootstrap.Modal(editProjectModalEl);
+        const editButtons = document.querySelectorAll('.edit-btn');
+
+        editButtons.forEach(button => {
+            button.addEventListener('click', function () {
+                const data = JSON.parse(this.getAttribute('data-row'));
+
+                document.getElementById('edit-id').value = data.id;
+                document.getElementById('edit-name').value = data.name;
+                document.getElementById('edit-wbs').value = data.wbs;
+                document.getElementById('edit-startDate').value = data.startDate;
+                document.getElementById('edit-endDate').value = data.endDate;
+                document.getElementById('edit-budget').value = data.budget;
+                document.getElementById('edit-recoverability').value = data.recoverability;
+                document.getElementById('edit-targetMargin').value = data.targetMargin;
+
+                editProjectModal.show();
+            });
+        });
+    }
+});

billing.php

@@ -0,0 +1,119 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$projectId = $_GET['id'] ?? null;
+if (!$projectId) {
+    header("Location: projects.php");
+    exit();
+}
+
+try {
+    $pdo = db();
+    $stmt = $pdo->prepare("SELECT * FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $projectId]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$project) {
+        header("Location: projects.php");
+        exit();
+    }
+
+    // Initialize billing records if they don't exist
+    $startDate = new DateTime($project['startDate']);
+    $endDate = new DateTime($project['endDate']);
+    $currentMonth = clone $startDate;
+
+    while ($currentMonth <= $endDate) {
+        $monthStr = $currentMonth->format('Y-m-01');
+        $stmt = $pdo->prepare("SELECT COUNT(*) FROM billingMonthly WHERE projectId = :projectId AND month = :month");
+        $stmt->execute([':projectId' => $projectId, ':month' => $monthStr]);
+        $count = $stmt->fetchColumn();
+
+        if ($count == 0) {
+            $insertStmt = $pdo->prepare("INSERT INTO billingMonthly (projectId, month, amount) VALUES (:projectId, :month, 0)");
+            $insertStmt->execute([':projectId' => $projectId, ':month' => $monthStr]);
+        }
+
+        $currentMonth->modify('+1 month');
+    }
+
+    // Fetch billing data
+    $stmt = $pdo->prepare("SELECT * FROM billingMonthly WHERE projectId = :projectId ORDER BY month");
+    $stmt->execute([':projectId' => $projectId]);
+    $billingData = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+} catch (PDOException $e) {
+    $db_error = "Database error: " . $e->getMessage();
+}
+
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Billing - <?php echo htmlspecialchars($project['name']); ?></title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="main-wrapper">
+        <main class="content-wrapper">
+            <div class="page-header">
+                <h1 class="h2">Billing - <?php echo htmlspecialchars($project['name']); ?></h1>
+                <div class="header-actions">
+                    <a href="project_details.php?id=<?php echo $projectId; ?>" class="btn btn-secondary">Return</a>
+                    <button id="save-billing" class="btn btn-primary">Save</button>
+                    <a href="export_billing.php?id=<?php echo $projectId; ?>" class="btn btn-secondary">Export to Excel</a>
+                </div>
+            </div>
+
+            <?php if (isset($db_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($db_error); ?></div>
+            <?php endif; ?>
+
+            <div class="card">
+                <div class="table-responsive">
+                    <table class="table table-bordered">
+                        <thead>
+                            <tr>
+                                <th style="width: 150px;">Billing</th>
+                                <?php
+                                $currentMonth = clone $startDate;
+                                while ($currentMonth <= $endDate) {
+                                    echo '<th>' . $currentMonth->format('M Y') . '</th>';
+                                    $currentMonth->modify('+1 month');
+                                }
+                                ?>
+                                <th style="width: 150px;">Total</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <tr>
+                                <td>Billing</td>
+                                <?php
+                                $totalBilling = 0;
+                                foreach ($billingData as $billingMonth) {
+                                    $totalBilling += $billingMonth['amount'];
+                                    echo '<td><input type="text" class="form-control billing-amount text-end" data-month="' . $billingMonth['month'] . '" value="' . htmlspecialchars(number_format($billingMonth['amount'], 2, ',', '.')) . '"></td>';
+                                }
+                                ?>
+                                <td id="total-billing" class="fw-bold text-end"><?php echo number_format($totalBilling, 2, ',', '.'); ?></td>
+                            </tr>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/js/billing.js?v=<?php echo time(); ?>"></script>
+    <script>
+        document.addEventListener('DOMContentLoaded', function() {
+            const projectId = <?php echo json_encode($projectId); ?>;
+            initBillingPage(projectId);
+        });
+    </script>
+</body>
+</html>

db/migrations/001_create_roster_table.sql

@@ -0,0 +1,21 @@
+CREATE TABLE IF NOT EXISTS roster (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    sapCode VARCHAR(255) NOT NULL,
+    fullNameEn VARCHAR(255) NOT NULL,
+    legalEntity VARCHAR(255),
+    functionBusinessUnit VARCHAR(255),
+    costCenterCode VARCHAR(255),
+    level VARCHAR(255),
+    newAmendedSalary DECIMAL(12, 2) DEFAULT 0.00,
+    employerContributions DECIMAL(12, 2) DEFAULT 0.00,
+    cars DECIMAL(12, 2) DEFAULT 0.00,
+    ticketRestaurant DECIMAL(12, 2) DEFAULT 0.00,
+    metlife DECIMAL(12, 2) DEFAULT 0.00,
+    topusPerMonth DECIMAL(12, 2) DEFAULT 0.00,
+    totalSalaryCostWithLabor DECIMAL(12, 2) DEFAULT 0.00,
+    totalMonthlyCost DECIMAL(12, 2) DEFAULT 0.00,
+    totalAnnualCost DECIMAL(14, 2) DEFAULT 0.00,
+    createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updatedAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    UNIQUE(sapCode)
+);

db/migrations/002_create_projects_table.sql

@@ -0,0 +1,13 @@
+CREATE TABLE IF NOT EXISTS `projects` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) NOT NULL,
+  `wbs` varchar(255) DEFAULT NULL,
+  `startDate` date DEFAULT NULL,
+  `endDate` date DEFAULT NULL,
+  `budget` decimal(15,2) DEFAULT 0.00,
+  `recoverability` decimal(5,2) DEFAULT 100.00,
+  `targetMargin` decimal(5,2) DEFAULT 0.00,
+  `createdAt` timestamp NOT NULL DEFAULT current_timestamp(),
+  `updatedAt` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

db/migrations/003_create_forecasting_tables.sql

@@ -0,0 +1,19 @@
+CREATE TABLE IF NOT EXISTS `forecasting` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `projectId` INT NOT NULL,
+    `versionNumber` INT NOT NULL,
+    `createdAt` DATETIME NOT NULL,
+    FOREIGN KEY (`projectId`) REFERENCES `projects`(`id`) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS `forecastAllocation` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `forecastingId` INT NOT NULL,
+    `rosterId` INT NOT NULL,
+    `resourceName` VARCHAR(255) NOT NULL,
+    `level` VARCHAR(255) NOT NULL,
+    `month` DATE NOT NULL,
+    `allocatedDays` DECIMAL(5, 2) NOT NULL DEFAULT 0.00,
+    FOREIGN KEY (`forecastingId`) REFERENCES `forecasting`(`id`) ON DELETE CASCADE,
+    FOREIGN KEY (`rosterId`) REFERENCES `roster`(`id`) ON DELETE CASCADE
+);

db/migrations/004_add_unique_key_to_forecast_allocation.sql

@@ -0,0 +1 @@
+ALTER TABLE `forecastAllocation` DROP INDEX `unique_allocation`, ADD UNIQUE KEY `unique_allocation` (`forecastingId`, `rosterId`, `month`);

db/migrations/005_create_project_finance_monthly_table.sql

@@ -0,0 +1,10 @@
+CREATE TABLE IF NOT EXISTS `projectFinanceMonthly` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `projectId` INT NOT NULL,
+    `metricName` VARCHAR(255) NOT NULL,
+    `month` DATE NOT NULL,
+    `createdAt` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    `updatedAt` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (`projectId`) REFERENCES `projects`(`id`) ON DELETE CASCADE,
+    UNIQUE KEY `project_metric_month` (`projectId`, `metricName`, `month`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

db/migrations/006_create_billing_monthly_table.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS `billingMonthly` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `projectId` INT NOT NULL,
+    `month` DATE NOT NULL,
+    `amount` DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
+    FOREIGN KEY (`projectId`) REFERENCES `projects`(`id`) ON DELETE CASCADE,
+    UNIQUE KEY `project_month` (`projectId`, `month`)
+);

db/migrations/007_add_revenue_fields_to_roster.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `roster`
+ADD COLUMN `grossRevenue` DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
+ADD COLUMN `discountedRevenue` DECIMAL(10, 2) NOT NULL DEFAULT 0.00;

db/migrations/008_create_expenses_monthly_table.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS `expensesMonthly` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `projectId` INT NOT NULL,
+    `month` DATE NOT NULL,
+    `amount` DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
+    FOREIGN KEY (`projectId`) REFERENCES `projects`(`id`) ON DELETE CASCADE,
+    UNIQUE KEY `project_month` (`projectId`, `month`)
+);

db/migrations/009_add_value_and_overridden_to_project_finance_monthly.sql

@@ -0,0 +1,4 @@
+
+ALTER TABLE `projectFinanceMonthly`
+ADD COLUMN `value` DECIMAL(15, 2) NOT NULL DEFAULT 0.00,
+ADD COLUMN `is_overridden` BOOLEAN NOT NULL DEFAULT FALSE;

db/migrations/010_fix_project_finance_monthly_table.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `projectFinanceMonthly` ADD COLUMN `metricName` VARCHAR(255) NOT NULL AFTER `projectId`;
+ALTER TABLE `projectFinanceMonthly` ADD COLUMN `value` DECIMAL(15, 2) NOT NULL DEFAULT 0.00;
+ALTER TABLE `projectFinanceMonthly` ADD COLUMN `is_overridden` BOOLEAN NOT NULL DEFAULT FALSE;

db/migrations/011_restructure_project_finance_monthly.sql

@@ -0,0 +1,34 @@
+-- Create a temporary table with the new structure
+CREATE TABLE `projectFinanceMonthly_new` (
+    `id` INT AUTO_INCREMENT PRIMARY KEY,
+    `projectId` INT NOT NULL,
+    `month` DATE NOT NULL,
+    `wip` DECIMAL(15, 2) DEFAULT 0.00,
+    `opening_balance` DECIMAL(15, 2) DEFAULT 0.00,
+    `billing` DECIMAL(15, 2) DEFAULT 0.00,
+    `expenses` DECIMAL(15, 2) DEFAULT 0.00,
+    `is_overridden` BOOLEAN NOT NULL DEFAULT FALSE,
+    `createdAt` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    `updatedAt` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (`projectId`) REFERENCES `projects`(`id`) ON DELETE CASCADE,
+    UNIQUE KEY `project_month` (`projectId`, `month`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- Migrate the data
+INSERT INTO `projectFinanceMonthly_new` (projectId, month, wip, opening_balance, billing, expenses, is_overridden)
+SELECT
+    projectId,
+    month,
+    MAX(CASE WHEN metricName = 'wip' THEN value ELSE 0 END) as wip,
+    MAX(CASE WHEN metricName = 'opening_balance' THEN value ELSE 0 END) as opening_balance,
+    MAX(CASE WHEN metricName = 'billing' THEN value ELSE 0 END) as billing,
+    MAX(CASE WHEN metricName = 'expenses' THEN value ELSE 0 END) as expenses,
+    MAX(is_overridden) as is_overridden
+FROM projectFinanceMonthly
+GROUP BY projectId, month;
+
+-- Drop the old table
+DROP TABLE projectFinanceMonthly;
+
+-- Rename the new table
+RENAME TABLE projectFinanceMonthly_new TO projectFinanceMonthly;

db/migrations/012_remove_discounted_revenue_from_roster.sql

@@ -0,0 +1 @@
+ALTER TABLE `roster` DROP COLUMN `discountedRevenue`;

expenses.php

@@ -0,0 +1,121 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$projectId = $_GET['id'] ?? null;
+if (!$projectId) {
+    header("Location: projects.php");
+    exit();
+}
+
+try {
+    $pdo = db();
+    // I will execute the migration to create the expensesMonthly table
+    $migrationFile = __DIR__ . '/db/migrations/008_create_expenses_monthly_table.sql';
+    if (file_exists($migrationFile)) {
+        $sql = file_get_contents($migrationFile);
+        $pdo->exec($sql);
+    }
+    
+    $stmt = $pdo->prepare("SELECT * FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $projectId]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$project) {
+        header("Location: projects.php");
+        exit();
+    }
+
+    // Initialize expenses records if they don't exist
+    $startDate = new DateTime($project['startDate']);
+    $endDate = new DateTime($project['endDate']);
+    $currentMonth = clone $startDate;
+
+    while ($currentMonth <= $endDate) {
+        $monthStr = $currentMonth->format('Y-m-01');
+        $stmt = $pdo->prepare("SELECT COUNT(*) FROM expensesMonthly WHERE projectId = :projectId AND month = :month");
+        $stmt->execute([':projectId' => $projectId, ':month' => $monthStr]);
+        $count = $stmt->fetchColumn();
+
+        if ($count == 0) {
+            $insertStmt = $pdo->prepare("INSERT INTO expensesMonthly (projectId, month, amount) VALUES (:projectId, :month, 0)");
+            $insertStmt->execute([':projectId' => $projectId, ':month' => $monthStr]);
+        }
+
+        $currentMonth->modify('+1 month');
+    }
+
+    // Fetch expenses data
+    $stmt = $pdo->prepare("SELECT * FROM expensesMonthly WHERE projectId = :projectId ORDER BY month");
+    $stmt->execute([':projectId' => $projectId]);
+    $expensesData = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+} catch (PDOException $e) {
+    $db_error = "Database error: " . $e->getMessage();
+}
+
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Expenses - <?php echo htmlspecialchars($project['name']); ?></title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="main-wrapper">
+        <main class="content-wrapper">
+            <div class="page-header">
+                <h1 class="h2">Expenses - <?php echo htmlspecialchars($project['name']); ?></h1>
+                <div class="header-actions">
+                    <a href="project_details.php?id=<?php echo $projectId; ?>" class="btn btn-secondary">Return</a>
+                    <a href="export_expenses.php?id=<?php echo $projectId; ?>" class="btn btn-secondary">Export to Excel</a>
+                </div>
+            </div>
+
+            <?php if (isset($db_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($db_error); ?></div>
+            <?php endif; ?>
+
+            <div class="card">
+                <div class="table-responsive">
+                    <table class="table table-bordered">
+                        <thead>
+                            <tr>
+                                <th style="width: 150px;">Expenses</th>
+                                <?php
+                                $currentMonth = clone $startDate;
+                                while ($currentMonth <= $endDate) {
+                                    echo '<th>' . $currentMonth->format('M Y') . '</th>';
+                                    $currentMonth->modify('+1 month');
+                                }
+                                ?>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <tr>
+                                <td>Expenses</td>
+                                <?php
+                                foreach ($expensesData as $expensesMonth) {
+                                    echo '<td><input type="number" class="form-control expenses-amount" data-month="' . $expensesMonth['month'] . '" value="' . htmlspecialchars($expensesMonth['amount']) . '"></td>';
+                                }
+                                ?>
+                            </tr>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/js/expenses.js?v=<?php echo time(); ?>"></script>
+    <script>
+        document.addEventListener('DOMContentLoaded', function() {
+            const projectId = <?php echo json_encode($projectId); ?>;
+            initExpensesPage(projectId);
+        });
+    </script>
+</body>
+</html>

export.php

@@ -0,0 +1,42 @@
+<?php
+// --- DATABASE CONNECTION ---
+require_once __DIR__ . '/db/config.php';
+
+try {
+    $pdo = db();
+    $stmt = $pdo->query("SELECT * FROM roster ORDER BY fullNameEn");
+    $roster_data = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+} catch (PDOException $e) {
+    die("Database error: " . $e->getMessage());
+}
+
+// --- CSV EXPORT ---
+$filename = "roster_export_" . date('Y-m-d') . ".csv";
+
+header('Content-Type: text/csv; charset=utf-8');
+header('Content-Disposition: attachment; filename="' . $filename . '"');
+
+$output = fopen('php://output', 'w');
+
+// Add headers
+if (!empty($roster_data)) {
+    $roster_data_with_daily_cost = [];
+    foreach ($roster_data as $row) {
+        $row['dailyCost'] = $row['totalMonthlyCost'] / 20;
+        $roster_data_with_daily_cost[] = $row;
+    }
+    fputcsv($output, array_keys($roster_data_with_daily_cost[0]));
+    foreach ($roster_data_with_daily_cost as $row) {
+        fputcsv($output, $row);
+    }
+} else {
+    // Add headers even if there is no data
+    $stmt = $pdo->query("SHOW COLUMNS FROM roster");
+    $columns = $stmt->fetchAll(PDO::FETCH_COLUMN);
+    $columns[] = 'dailyCost';
+    fputcsv($output, $columns);
+}
+
+fclose($output);
+exit();

export_billing.php

@@ -0,0 +1,50 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$projectId = $_GET['id'] ?? null;
+if (!$projectId) {
+    die("Project ID is required.");
+}
+
+try {
+    $pdo = db();
+    $stmt = $pdo->prepare("SELECT name FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $projectId]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+    $projectName = $project ? $project['name'] : 'project';
+
+    $stmt = $pdo->prepare("SELECT month, amount FROM billingMonthly WHERE projectId = :projectId ORDER BY month");
+    $stmt->execute([':projectId' => $projectId]);
+    $billingData = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $filename = "billing_" . strtolower(str_replace(' ', '_', $projectName)) . ".csv";
+
+    header('Content-Type: text/csv');
+    header('Content-Disposition: attachment; filename="' . $filename . '"');
+
+    $output = fopen('php://output', 'w');
+
+    // Header row
+    $header = ['Billing'];
+    $totalBilling = 0;
+    foreach ($billingData as $row) {
+        $header[] = date("M Y", strtotime($row['month']));
+        $totalBilling += $row['amount'];
+    }
+    $header[] = 'Total';
+    fputcsv($output, $header);
+
+    // Data row
+    $data = ['Billing'];
+    foreach ($billingData as $row) {
+        $data[] = $row['amount'];
+    }
+    $data[] = $totalBilling;
+    fputcsv($output, $data);
+
+    fclose($output);
+    exit();
+
+} catch (PDOException $e) {
+    die("Database error: " . $e->getMessage());
+}

export_expenses.php

@@ -0,0 +1,46 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$projectId = $_GET['id'] ?? null;
+if (!$projectId) {
+    die("Project ID is required.");
+}
+
+try {
+    $pdo = db();
+    $stmt = $pdo->prepare("SELECT name FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $projectId]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+    $projectName = $project ? $project['name'] : 'project';
+
+    $stmt = $pdo->prepare("SELECT month, amount FROM expensesMonthly WHERE projectId = :projectId ORDER BY month");
+    $stmt->execute([':projectId' => $projectId]);
+    $expensesData = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $filename = "expenses_" . strtolower(str_replace(' ', '_', $projectName)) . ".csv";
+
+    header('Content-Type: text/csv');
+    header('Content-Disposition: attachment; filename="' . $filename . '"');
+
+    $output = fopen('php://output', 'w');
+
+    // Header row
+    $header = ['Expenses'];
+    foreach ($expensesData as $row) {
+        $header[] = date("M Y", strtotime($row['month']));
+    }
+    fputcsv($output, $header);
+
+    // Data row
+    $data = ['Expenses'];
+    foreach ($expensesData as $row) {
+        $data[] = $row['amount'];
+    }
+    fputcsv($output, $data);
+
+    fclose($output);
+    exit();
+
+} catch (PDOException $e) {
+    die("Database error: " . $e->getMessage());
+}

export_project_finance.php

@@ -0,0 +1,205 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+// --- DATA FETCHING & CALCULATION ---
+$project = null;
+$project_id = $_GET['project_id'] ?? null;
+$financial_data = [];
+$months = [];
+$metrics = ["Opening Balance", "Billings", "WIP", "Expenses", "Cost", "NSR", "Margin"];
+
+if (!$project_id) {
+    header("HTTP/1.0 400 Bad Request");
+    echo "Project ID is required.";
+    exit;
+}
+
+try {
+    $pdo = db();
+    $stmt = $pdo->prepare("SELECT * FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $project_id]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if ($project) {
+        function get_month_range($start_date_str, $end_date_str) {
+            $months = [];
+            if (empty($start_date_str) || empty($end_date_str)) return $months;
+            $start = new DateTime($start_date_str);
+            $end = new DateTime($end_date_str);
+            $current = clone $start;
+            $current->modify('first day of this month');
+            while ($current <= $end) {
+                $months[] = $current->format('Y-m-01');
+                $current->modify('+1 month');
+            }
+            return $months;
+        }
+        $months = get_month_range($project['startDate'], $project['endDate']);
+
+        // --- Financial Calculations ---
+
+        // 1. Fetch base monthly data
+        $monthly_costs = [];
+        $monthly_wip = [];
+
+        $forecast_stmt = $pdo->prepare("SELECT id FROM forecasting WHERE projectId = :pid ORDER BY versionNumber DESC LIMIT 1");
+        $forecast_stmt->execute([':pid' => $project_id]);
+        $latest_forecast = $forecast_stmt->fetch(PDO::FETCH_ASSOC);
+
+        if ($latest_forecast) {
+            $fid = $latest_forecast['id'];
+            
+            // Base Monthly Cost
+            $cost_sql = "SELECT fa.month, SUM(fa.allocatedDays * (r.totalMonthlyCost / 20)) FROM forecastAllocation fa JOIN roster r ON fa.rosterId = r.id WHERE fa.forecastingId = :fid GROUP BY fa.month";
+            $cost_stmt = $pdo->prepare($cost_sql);
+            $cost_stmt->execute([':fid' => $fid]);
+            $monthly_costs = $cost_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+            // Base Monthly WIP
+            $recoverability_decimal = $project['recoverability'] / 100;
+            $wip_sql = "SELECT fa.month, SUM(fa.allocatedDays * (r.grossRevenue * (1 - :recoverability))) as wip FROM forecastAllocation fa JOIN roster r ON fa.rosterId = r.id WHERE fa.forecastingId = :fid GROUP BY fa.month";
+            $wip_stmt = $pdo->prepare($wip_sql);
+            $wip_stmt->execute([':fid' => $fid, ':recoverability' => $recoverability_decimal]);
+            $monthly_wip = $wip_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+        }
+
+        // Base Monthly Billings
+        $billing_stmt = $pdo->prepare("SELECT month, amount FROM billingMonthly WHERE projectId = :pid");
+        $billing_stmt->execute([':pid' => $project_id]);
+        $monthly_billing = $billing_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+        // Base Monthly Expenses
+        $expenses_stmt = $pdo->prepare("SELECT month, amount FROM expensesMonthly WHERE projectId = :pid");
+        $expenses_stmt->execute([':pid' => $project_id]);
+        $monthly_expenses = $expenses_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+        // 2. Calculate and process values month by month, including overrides
+        $cumulative_billing = 0;
+        $cumulative_cost = 0;
+        $cumulative_expenses = 0;
+        $previous_month_opening_balance = 0; // Initialize Opening Balance for the first month.
+
+        // Fetch all overridden data at once to avoid querying in a loop
+        $override_stmt = $pdo->prepare("SELECT month, metricName, value FROM projectFinanceMonthly WHERE projectId = :pid AND is_overridden = 1");
+        $override_stmt->execute([':pid' => $project_id]);
+        $overridden_rows = $override_stmt->fetchAll(PDO::FETCH_ASSOC);
+        $overrides = [];
+        $metric_name_map = [
+            'wip' => 'WIP',
+            'opening_balance' => 'Opening Balance',
+            'billing' => 'Billings',
+            'expenses' => 'Expenses',
+            'cost' => 'Cost',
+            'nsr' => 'NSR',
+            'margin' => 'Margin'
+        ];
+        foreach ($overridden_rows as $row) {
+            if (isset($metric_name_map[$row['metricName']])) {
+                $metric_display_name = $metric_name_map[$row['metricName']];
+                $overrides[$row['month']][$metric_display_name] = $row['value'];
+            }
+        }
+
+        foreach ($months as $month) {
+            // --- Opening Balance ---
+            // Opening Balance of the current month is the Opening Balance of the previous month.
+            $opening_balance = $previous_month_opening_balance;
+            $financial_data['Opening Balance'][$month] = $opening_balance;
+            if (isset($overrides[$month]['Opening Balance'])) {
+                $financial_data['Opening Balance'][$month] = $overrides[$month]['Opening Balance'];
+            }
+
+            // --- Base Data ---
+            $cost = $monthly_costs[$month] ?? 0;
+            $base_monthly_wip = $monthly_wip[$month] ?? 0;
+            $billing = $monthly_billing[$month] ?? 0;
+            $expenses = $monthly_expenses[$month] ?? 0;
+
+            // --- Cumulative Metrics ---
+            $cumulative_billing += $billing;
+            $financial_data['Billings'][$month] = $cumulative_billing;
+            if (isset($overrides[$month]['Billings'])) {
+                $financial_data['Billings'][$month] = $overrides[$month]['Billings'];
+                $cumulative_billing = $financial_data['Billings'][$month];
+            }
+
+            $cumulative_cost += $cost;
+            $financial_data['Cost'][$month] = $cumulative_cost;
+            if (isset($overrides[$month]['Cost'])) {
+                $financial_data['Cost'][$month] = $overrides[$month]['Cost'];
+                $cumulative_cost = $financial_data['Cost'][$month];
+            }
+
+            $cumulative_expenses += $expenses;
+            $financial_data['Expenses'][$month] = $cumulative_expenses;
+            if (isset($overrides[$month]['Expenses'])) {
+                $financial_data['Expenses'][$month] = $overrides[$month]['Expenses'];
+                $cumulative_expenses = $financial_data['Expenses'][$month];
+            }
+
+            // --- WIP (Closing Balance) ---
+            $final_opening_balance = $financial_data['Opening Balance'][$month];
+            $current_wip = $final_opening_balance + $expenses + $base_monthly_wip - $billing;
+            $financial_data['WIP'][$month] = $current_wip;
+            if (isset($overrides[$month]['WIP'])) {
+                $financial_data['WIP'][$month] = $overrides[$month]['WIP'];
+            }
+
+            // --- Calculated Metrics (NSR and Margin) ---
+            $nsr = $financial_data['WIP'][$month] + $financial_data['Billings'][$month] - $financial_data['Opening Balance'][$month] - $financial_data['Expenses'][$month];
+            $financial_data['NSR'][$month] = $nsr;
+            if (isset($overrides[$month]['NSR'])) {
+                $financial_data['NSR'][$month] = $overrides[$month]['NSR'];
+            }
+
+            $final_nsr = $financial_data['NSR'][$month];
+            $final_cost = $financial_data['Cost'][$month];
+            $margin = ($final_nsr != 0) ? (($final_nsr - $final_cost) / $final_nsr) : 0;
+            $financial_data['Margin'][$month] = $margin;
+            if (isset($overrides[$month]['Margin'])) {
+                $financial_data['Margin'][$month] = $overrides[$month]['Margin'];
+            }
+
+            // --- Carry-over for next iteration ---
+            // The next month's opening balance is this month's final opening balance (including override).
+            $previous_month_opening_balance = $financial_data['Opening Balance'][$month];
+        }
+    }
+} catch (PDOException $e) {
+    header("HTTP/1.0 500 Internal Server Error");
+    echo "Database error: " . $e->getMessage();
+    exit;
+}
+
+if (!$project) {
+    header("HTTP/1.0 404 Not Found");
+    echo "Project not found.";
+    exit;
+}
+
+// --- CSV EXPORT ---
+$filename = "project_finance_" . preg_replace('/[^a-zA-Z0-9_]/', '_', $project['name']) . ".csv";
+
+header('Content-Type: text/csv');
+header('Content-Disposition: attachment; filename="' . $filename . '"');
+
+$output = fopen('php://output', 'w');
+
+// Header row
+$header = ['Metric'];
+foreach ($months as $month) {
+    $header[] = date('M Y', strtotime($month));
+}
+fputcsv($output, $header);
+
+// Data rows
+foreach ($metrics as $metric) {
+    $row = [$metric];
+    foreach ($months as $month) {
+        $row[] = number_format($financial_data[$metric][$month] ?? 0, 2);
+    }
+    fputcsv($output, $row);
+}
+
+fclose($output);
+exit;

forecasting.php

@@ -0,0 +1,264 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$projectId = $_GET['projectId'] ?? null;
+$versionNumber = $_GET['version'] ?? null;
+
+if (!$projectId) {
+    die("Project ID is required.");
+}
+
+function execute_sql_from_file($pdo, $filepath) {
+    try {
+        $sql = file_get_contents($filepath);
+        $pdo->exec($sql);
+        return true;
+    } catch (PDOException $e) {
+        if (strpos($e->getMessage(), 'already exists') === false) {
+            error_log("SQL Execution Error: " . $e->getMessage());
+        }
+        return false;
+    }
+}
+
+$project = null;
+$versions = [];
+$allocations = [];
+$roster_for_search = [];
+$db_error = null;
+
+function get_months($startDate, $endDate) {
+    $start = new DateTime($startDate);
+    $end = new DateTime($endDate);
+    $interval = new DateInterval('P1M');
+    $period = new DatePeriod($start, $interval, $end->modify('+1 month'));
+    $months = [];
+    foreach ($period as $dt) {
+        $months[] = $dt->format('Y-m-01');
+    }
+    return $months;
+}
+
+try {
+    $pdo = db();
+
+    // Apply all migrations
+    $migration_files = glob(__DIR__ . '/db/migrations/*.sql');
+    sort($migration_files);
+    foreach ($migration_files as $file) {
+        execute_sql_from_file($pdo, $file);
+    }
+
+    // Fetch project details
+    $stmt = $pdo->prepare("SELECT * FROM projects WHERE id = :projectId");
+    $stmt->execute([':projectId' => $projectId]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$project) {
+        die("Project not found.");
+    }
+
+    // Fetch forecasting versions
+    $stmt = $pdo->prepare("SELECT * FROM forecasting WHERE projectId = :projectId ORDER BY versionNumber DESC");
+    $stmt->execute([':projectId' => $projectId]);
+    $versions = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    if (empty($versionNumber) && !empty($versions)) {
+        $versionNumber = $versions[0]['versionNumber'];
+    }
+
+    $selected_version = null;
+    if ($versionNumber) {
+        foreach($versions as $v) {
+            if ($v['versionNumber'] == $versionNumber) {
+                $selected_version = $v;
+                break;
+            }
+        }
+    }
+
+    // Fetch allocations for the selected version
+    if ($selected_version) {
+        $months = get_months($project['startDate'], $project['endDate']);
+        $sql = "SELECT 
+                    fa.rosterId, 
+                    fa.resourceName, 
+                    fa.level, 
+                    GROUP_CONCAT(fa.month, '|', fa.allocatedDays ORDER BY fa.month) as monthly_allocations
+                FROM forecastAllocation fa
+                WHERE fa.forecastingId = :forecastingId
+                GROUP BY fa.rosterId, fa.resourceName, fa.level
+                ORDER BY fa.resourceName";
+        $stmt = $pdo->prepare($sql);
+        $stmt->execute([':forecastingId' => $selected_version['id']]);
+        $raw_allocations = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+        // Process allocations into a structured array
+        foreach ($raw_allocations as $raw_row) {
+            $alloc_row = [
+                'rosterId' => $raw_row['rosterId'],
+                'resourceName' => $raw_row['resourceName'],
+                'level' => $raw_row['level'],
+                'months' => []
+            ];
+            foreach($months as $month) {
+                $alloc_row['months'][$month] = 0; // Default
+            }
+            $monthly_pairs = explode(',', $raw_row['monthly_allocations']);
+            foreach ($monthly_pairs as $pair) {
+                list($month, $days) = explode('|', $pair);
+                $alloc_row['months'][$month] = $days;
+            }
+            $allocations[] = $alloc_row;
+        }
+    }
+
+    // Fetch roster for search
+    $stmt = $pdo->query("SELECT id, sapCode, fullNameEn, `level` FROM roster ORDER BY fullNameEn");
+    $roster_for_search = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+} catch (PDOException $e) {
+    $db_error = "Database error: " . $e->getMessage();
+}
+
+$months_headers = $project ? get_months($project['startDate'], $project['endDate']) : [];
+
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Forecasting - <?php echo htmlspecialchars($project['name'] ?? ''); ?></title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" rel="stylesheet" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" />
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="top-navbar">
+        Project Financials
+    </div>
+    <div class="main-wrapper">
+        <nav class="sidebar">
+            <ul class="nav flex-column">
+                <li class="nav-item"><a class="nav-link" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a></li>
+                <li class="nav-item"><a class="nav-link active" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a></li>
+            </ul>
+        </nav>
+
+        <main class="content-wrapper">
+            <?php if ($db_error): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($db_error); ?></div>
+            <?php endif; ?>
+
+            <div class="page-header">
+                <h1 class="h2">Forecasting: <?php echo htmlspecialchars($project['name'] ?? 'N/A'); ?></h1>
+                <div class="header-actions">
+                    <a href="project_details.php?id=<?php echo $projectId; ?>" class="btn btn-secondary"><i class="bi bi-arrow-left-circle me-2"></i>Back to Project</a>
+                    <form action="forecasting_actions.php" method="POST" class="d-inline">
+                        <input type="hidden" name="action" value="new_version">
+                        <input type="hidden" name="projectId" value="<?php echo $projectId; ?>">
+                        <button type="submit" class="btn btn-primary"><i class="bi bi-plus-circle-fill me-2"></i>New Version</button>
+                    </form>
+                </div>
+            </div>
+
+            <div class="card mb-4">
+                <div class="card-body">
+                    <div class="row align-items-center">
+                        <div class="col-md-4">
+                            <label for="versionSelector" class="form-label">Select Version</label>
+                            <select class="form-select" id="versionSelector">
+                                <?php foreach ($versions as $v): ?>
+                                    <option value="<?php echo $v['versionNumber']; ?>" <?php echo ($v['versionNumber'] == $versionNumber) ? 'selected' : ''; ?>>
+                                        Version <?php echo $v['versionNumber']; ?> (<?php echo date("d M Y, H:i", strtotime($v['createdAt'])); ?>)
+                                    </option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <div class="card">
+                <div class="card-header">
+                    <h5 class="card-title">Resource Allocations</h5>
+                </div>
+                <div class="card-body">
+                    <form action="forecasting_actions.php" method="POST" class="row g-3 align-items-end mb-4">
+                        <input type="hidden" name="action" value="add_resource">
+                        <input type="hidden" name="projectId" value="<?php echo $projectId; ?>">
+                        <input type="hidden" name="forecastingId" value="<?php echo $selected_version['id'] ?? ''; ?>">
+                        <div class="col-md-6">
+                            <label for="rosterSearch" class="form-label">Add Resource</label>
+                            <select class="form-control" id="rosterSearch" name="rosterId" required>
+                                <option></option> <!-- Placeholder for Select2 -->
+                                <?php foreach ($roster_for_search as $resource): ?>
+                                    <option value="<?php echo $resource['id']; ?>" data-level="<?php echo htmlspecialchars($resource['level']); ?>">
+                                        <?php echo htmlspecialchars($resource['fullNameEn'] . ' (' . $resource['sapCode'] . ')'); ?>
+                                    </option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                        <div class="col-auto">
+                            <button type="submit" class="btn btn-success">Add to Forecast</button>
+                        </div>
+                    </form>
+                </div>
+                <div class="table-responsive">
+                    <table class="table table-bordered table-hover">
+                        <thead>
+                            <tr>
+                                <th>Resource Name</th>
+                                <th>Level</th>
+                                <?php foreach ($months_headers as $month): ?>
+                                    <th><?php echo date("M Y", strtotime($month)); ?></th>
+                                <?php endforeach; ?>
+                                <th>Actions</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php if (empty($allocations)): ?>
+                                <tr>
+                                    <td colspan="<?php echo count($months_headers) + 3; ?>" class="text-center text-secondary">No resources allocated yet.</td>
+                                </tr>
+                            <?php else: ?>
+                                <?php foreach ($allocations as $alloc_row): ?>
+                                    <tr>
+                                        <td><?php echo htmlspecialchars($alloc_row['resourceName']); ?></td>
+                                        <td><?php echo htmlspecialchars($alloc_row['level']); ?></td>
+                                        <?php foreach ($alloc_row['months'] as $month => $days): ?>
+                                            <td class="editable" 
+                                                data-month="<?php echo $month; ?>" 
+                                                data-roster-id="<?php echo $alloc_row['rosterId']; ?>"
+                                                data-forecasting-id="<?php echo $selected_version['id']; ?>">
+                                                <?php echo htmlspecialchars($days); ?>
+                                            </td>
+                                        <?php endforeach; ?>
+                                        <td>
+                                            <form action="forecasting_actions.php" method="POST" onsubmit="return confirm('Remove this resource from the forecast?');">
+                                                <input type="hidden" name="action" value="remove_resource">
+                                                <input type="hidden" name="projectId" value="<?php echo $projectId; ?>">
+                                                <input type="hidden" name="forecastingId" value="<?php echo $selected_version['id']; ?>">
+                                                <input type="hidden" name="rosterId" value="<?php echo $alloc_row['rosterId']; ?>">
+                                                <button type="submit" class="btn btn-sm btn-outline-danger"><i class="bi bi-trash"></i></button>
+                                            </form>
+                                        </td>
+                                    </tr>
+                                <?php endforeach; ?>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js"></script>
+    <script src="assets/js/forecasting.js?v=<?php echo time(); ?>"></script>
+</body>
+</html>

forecasting_actions.php

@@ -0,0 +1,186 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$action = $_POST['action'] ?? null;
+$projectId = $_POST['projectId'] ?? null;
+
+if (!$action || !$projectId) {
+    redirect_with_error('forecasting.php', $projectId, 'Invalid request.');
+}
+
+function redirect_with_error($page, $projectId, $message) {
+    $version = $_POST['version'] ?? null;
+    $query = http_build_query(array_filter([
+        'projectId' => $projectId,
+        'version' => $version,
+        'error' => $message
+    ]));
+    header("Location: {$page}?{$query}");
+    exit();
+}
+
+function redirect_with_success($page, $projectId, $message) {
+    $version = $_POST['version'] ?? null;
+    $query = http_build_query(array_filter([
+        'projectId' => $projectId,
+        'version' => $version,
+        'success' => $message
+    ]));
+    header("Location: {$page}?{$query}");
+    exit();
+}
+
+function get_months($startDate, $endDate) {
+    $start = new DateTime($startDate);
+    $end = new DateTime($endDate);
+    $interval = new DateInterval('P1M');
+    $period = new DatePeriod($start, $interval, $end->modify('+1 month'));
+    $months = [];
+    foreach ($period as $dt) {
+        $months[] = $dt->format('Y-m-01');
+    }
+    return $months;
+}
+
+try {
+    $pdo = db();
+
+    switch ($action) {
+        case 'new_version':
+            // Find the latest version number
+            $stmt = $pdo->prepare("SELECT MAX(versionNumber) as max_version FROM forecasting WHERE projectId = :projectId");
+            $stmt->execute([':projectId' => $projectId]);
+            $latest_version_num = $stmt->fetchColumn();
+            $new_version_num = $latest_version_num + 1;
+
+            // Get the ID of the latest version to clone from
+            $stmt = $pdo->prepare("SELECT id FROM forecasting WHERE projectId = :projectId AND versionNumber = :versionNumber");
+            $stmt->execute([':projectId' => $projectId, ':versionNumber' => $latest_version_num]);
+            $latest_version_id = $stmt->fetchColumn();
+
+            $pdo->beginTransaction();
+
+            // Create the new forecasting version
+            $stmt = $pdo->prepare("INSERT INTO forecasting (projectId, versionNumber, createdAt) VALUES (:projectId, :versionNumber, NOW())");
+            $stmt->execute([':projectId' => $projectId, ':versionNumber' => $new_version_num]);
+            $new_version_id = $pdo->lastInsertId();
+
+            // Clone allocations from the latest version if it exists
+            if ($latest_version_id) {
+                $clone_sql = "INSERT INTO forecastAllocation (forecastingId, rosterId, resourceName, level, month, allocatedDays) 
+                              SELECT :new_version_id, rosterId, resourceName, level, month, allocatedDays 
+                              FROM forecastAllocation WHERE forecastingId = :latest_version_id";
+                $stmt = $pdo->prepare($clone_sql);
+                $stmt->execute([':new_version_id' => $new_version_id, ':latest_version_id' => $latest_version_id]);
+            }
+
+            $pdo->commit();
+            redirect_with_success('forecasting.php', $projectId, 'New version created successfully.', ['version' => $new_version_num]);
+            break;
+
+        case 'add_resource':
+            $forecastingId = $_POST['forecastingId'] ?? null;
+            $rosterId = $_POST['rosterId'] ?? null;
+
+            if (!$forecastingId || !$rosterId) {
+                redirect_with_error('forecasting.php', $projectId, 'Missing data for adding resource.');
+            }
+
+            // Fetch project and roster details
+            $stmt = $pdo->prepare("SELECT startDate, endDate FROM projects WHERE id = :projectId");
+            $stmt->execute([':projectId' => $projectId]);
+            $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+            $stmt = $pdo->prepare("SELECT fullNameEn, `level` FROM roster WHERE id = :rosterId");
+            $stmt->execute([':rosterId' => $rosterId]);
+            $roster = $stmt->fetch(PDO::FETCH_ASSOC);
+
+            if (!$project || !$roster) {
+                redirect_with_error('forecasting.php', $projectId, 'Project or resource not found.');
+            }
+
+            $months = get_months($project['startDate'], $project['endDate']);
+            $insert_sql = "INSERT INTO forecastAllocation (forecastingId, rosterId, resourceName, level, month, allocatedDays) VALUES (:forecastingId, :rosterId, :resourceName, :level, :month, 0)";
+            $stmt = $pdo->prepare($insert_sql);
+
+            $pdo->beginTransaction();
+            foreach ($months as $month) {
+                $stmt->execute([
+                    ':forecastingId' => $forecastingId,
+                    ':rosterId' => $rosterId,
+                    ':resourceName' => $roster['fullNameEn'],
+                    ':level' => $roster['level'],
+                    ':month' => $month
+                ]);
+            }
+            $pdo->commit();
+
+            redirect_with_success('forecasting.php', $projectId, 'Resource added to forecast.');
+            break;
+
+        case 'remove_resource':
+            $forecastingId = $_POST['forecastingId'] ?? null;
+            $rosterId = $_POST['rosterId'] ?? null;
+
+            if (!$forecastingId || !$rosterId) {
+                redirect_with_error('forecasting.php', $projectId, 'Missing data for removing resource.');
+            }
+
+            $sql = "DELETE FROM forecastAllocation WHERE forecastingId = :forecastingId AND rosterId = :rosterId";
+            $stmt = $pdo->prepare($sql);
+            $stmt->execute([':forecastingId' => $forecastingId, ':rosterId' => $rosterId]);
+
+            redirect_with_success('forecasting.php', $projectId, 'Resource removed from forecast.');
+            break;
+
+        case 'update_allocation':
+            header('Content-Type: application/json');
+            $forecastingId = $_POST['forecastingId'] ?? null;
+            $rosterId = $_POST['rosterId'] ?? null;
+            $month = $_POST['month'] ?? null;
+            $allocatedDays = $_POST['allocatedDays'] ?? null;
+
+            if (!$forecastingId || !$rosterId || !$month || !isset($allocatedDays)) {
+                echo json_encode(['success' => false, 'error' => 'Invalid data for update.']);
+                exit();
+            }
+
+            // Use INSERT ... ON DUPLICATE KEY UPDATE to handle both new and existing cells
+            $sql = "INSERT INTO forecastAllocation (forecastingId, rosterId, month, allocatedDays, resourceName, level) 
+                    VALUES (:forecastingId, :rosterId, :month, :allocatedDays, 
+                            (SELECT fullNameEn FROM roster WHERE id = :rosterId), 
+                            (SELECT `level` FROM roster WHERE id = :rosterId))
+                    ON DUPLICATE KEY UPDATE allocatedDays = :allocatedDays";
+            
+            // We need a unique key on (forecastingId, rosterId, month) for this to work.
+            // Let's assume it exists. If not, we need to add it.
+            // ALTER TABLE forecastAllocation ADD UNIQUE KEY `unique_allocation` (`forecastingId`, `rosterId`, `month`);
+
+            $stmt = $pdo->prepare($sql);
+            $stmt->execute([
+                ':forecastingId' => $forecastingId,
+                ':rosterId' => $rosterId,
+                ':month' => $month,
+                ':allocatedDays' => $allocatedDays
+            ]);
+
+            echo json_encode(['success' => true]);
+            exit();
+
+        default:
+            redirect_with_error('forecasting.php', $projectId, 'Invalid action specified.');
+            break;
+    }
+
+} catch (PDOException $e) {
+    if ($pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    if ($action === 'update_allocation') {
+        header('Content-Type: application/json');
+        echo json_encode(['success' => false, 'error' => 'Database error: ' . $e->getMessage()]);
+    } else {
+        redirect_with_error('forecasting.php', $projectId, 'Database error: ' . $e->getMessage());
+    }
+    exit();
+}

import.php

@@ -0,0 +1,134 @@
+<?php
+session_start();
+
+require_once __DIR__ . '/db/config.php';
+
+function redirect_with_message($status, $message) {
+    header("Location: roster.php?import_status=$status&import_message=" . urlencode($message));
+    exit();
+}
+
+if ($_SERVER['REQUEST_METHOD'] !== 'POST' || !isset($_FILES['importFile'])) {
+    redirect_with_message('error', 'Invalid request.');
+}
+
+$file = $_FILES['importFile'];
+
+if ($file['error'] !== UPLOAD_ERR_OK) {
+    redirect_with_message('error', 'File upload failed with error code: ' . $file['error']);
+}
+
+$file_ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
+if ($file_ext !== 'csv') {
+    redirect_with_message('error', 'Invalid file type. Only .csv files are accepted.');
+}
+
+$handle = fopen($file['tmp_name'], 'r');
+if ($handle === false) {
+    redirect_with_message('error', 'Could not open the uploaded file.');
+}
+
+try {
+    $pdo = db();
+    $pdo->beginTransaction();
+
+    $header = fgetcsv($handle);
+    if ($header === false) {
+        redirect_with_message('error', 'Could not read the CSV header.');
+    }
+
+    // Normalize headers to camelCase
+    $normalized_header = array_map(function($h) {
+        $h = trim($h);
+        $h = preg_replace('/[^a-zA-Z0-9_\s]/', '', $h); // Remove special chars
+        $h = preg_replace('/\s+/', ' ', $h); // Normalize whitespace
+        $h = str_replace(' ', '', ucwords(strtolower($h))); // To PascalCase
+        return lcfirst($h); // To camelCase
+    }, $header);
+    
+    $expected_headers = [
+        'sapCode', 'fullNameEn', 'legalEntity', 'functionBusinessUnit', 'costCenterCode', 'level',
+        'newAmendedSalary', 'employerContributions', 'cars', 'ticketRestaurant', 'metlife', 'topusPerMonth'
+    ];
+
+    $col_map = array_flip($normalized_header);
+
+    foreach ($expected_headers as $expected) {
+        if (!isset($col_map[$expected])) {
+            redirect_with_message('error', "Missing required column: '{$expected}'. Please check the CSV file header.");
+        }
+    }
+
+    $sql = "INSERT INTO roster (sapCode, fullNameEn, legalEntity, functionBusinessUnit, costCenterCode, `level`, newAmendedSalary, employerContributions, cars, ticketRestaurant, metlife, topusPerMonth, totalSalaryCostWithLabor, totalMonthlyCost, totalAnnualCost) 
+            VALUES (:sapCode, :fullNameEn, :legalEntity, :functionBusinessUnit, :costCenterCode, :level, :newAmendedSalary, :employerContributions, :cars, :ticketRestaurant, :metlife, :topusPerMonth, :totalSalaryCostWithLabor, :totalMonthlyCost, :totalAnnualCost)
+            ON DUPLICATE KEY UPDATE 
+                fullNameEn = VALUES(fullNameEn),
+                legalEntity = VALUES(legalEntity),
+                functionBusinessUnit = VALUES(functionBusinessUnit),
+                costCenterCode = VALUES(costCenterCode),
+                `level` = VALUES(`level`),
+                newAmendedSalary = VALUES(newAmendedSalary),
+                employerContributions = VALUES(employerContributions),
+                cars = VALUES(cars),
+                ticketRestaurant = VALUES(ticketRestaurant),
+                metlife = VALUES(metlife),
+                topusPerMonth = VALUES(topusPerMonth),
+                totalSalaryCostWithLabor = VALUES(totalSalaryCostWithLabor),
+                totalMonthlyCost = VALUES(totalMonthlyCost),
+                totalAnnualCost = VALUES(totalAnnualCost)";
+
+    $stmt = $pdo->prepare($sql);
+    
+    $rows_processed = 0;
+    while (($row = fgetcsv($handle)) !== false) {
+        $data = array_combine(array_keys($col_map), $row);
+
+        $sapCode = $data['sapCode'] ?? null;
+        if (empty($sapCode)) {
+            continue; // Skip rows without a SAP Code
+        }
+
+        // Prepare data and perform calculations
+        $newAmendedSalary = (float)($data['newAmendedSalary'] ?? 0);
+        $employerContributions = (float)($data['employerContributions'] ?? 0);
+        $cars = (float)($data['cars'] ?? 0);
+        $ticketRestaurant = (float)($data['ticketRestaurant'] ?? 0);
+        $metlife = (float)($data['metlife'] ?? 0);
+        $topusPerMonth = (float)($data['topusPerMonth'] ?? 0);
+
+        $totalSalaryCostWithLabor = $newAmendedSalary + $employerContributions;
+        $totalMonthlyCost = $totalSalaryCostWithLabor + $cars + $ticketRestaurant + $metlife + $topusPerMonth;
+        $totalAnnualCost = $totalMonthlyCost * 14;
+
+        $stmt->execute([
+            ':sapCode' => $sapCode,
+            ':fullNameEn' => $data['fullNameEn'] ?? null,
+            ':legalEntity' => $data['legalEntity'] ?? null,
+            ':functionBusinessUnit' => $data['functionBusinessUnit'] ?? null,
+            ':costCenterCode' => $data['costCenterCode'] ?? null,
+            ':level' => $data['level'] ?? null,
+            ':newAmendedSalary' => $newAmendedSalary,
+            ':employerContributions' => $employerContributions,
+            ':cars' => $cars,
+            ':ticketRestaurant' => $ticketRestaurant,
+            ':metlife' => $metlife,
+            ':topusPerMonth' => $topusPerMonth,
+            ':totalSalaryCostWithLabor' => $totalSalaryCostWithLabor,
+            ':totalMonthlyCost' => $totalMonthlyCost,
+            ':totalAnnualCost' => $totalAnnualCost
+        ]);
+        $rows_processed++;
+    }
+
+    $pdo->commit();
+    fclose($handle);
+    redirect_with_message('success', "Successfully imported {$rows_processed} records.");
+
+} catch (Exception $e) {
+    if ($pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    fclose($handle);
+    error_log("Import Error: " . $e->getMessage());
+    redirect_with_message('error', 'An error occurred during the import process. Details: ' . $e->getMessage());
+}

index.php

@@ -1,150 +1,65 @@
 <?php
-declare(strict_types=1);
+require_once __DIR__ . '/db/config.php';
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
 
-$phpVersion = PHP_VERSION;
+try {
-$now = date('Y-m-d H:i:s');
+    $pdo = db();
+    $migration_files = glob(__DIR__ . '/db/migrations/*.sql');
+    sort($migration_files);
+    foreach ($migration_files as $file) {
+        $sql = file_get_contents($file);
+        $pdo->exec($sql);
+    }
+} catch (PDOException $e) {
+    // If the table already exists, ignore the error
+    if (strpos($e->getMessage(), 'already exists') === false) {
+        die("Database migration failed: " . $e->getMessage());
+    }
+}
 ?>
-<!doctype html>
+<!DOCTYPE html>
-<html lang="en">
+<html lang="en" data-bs-theme="dark">
 <head>
-  <meta charset="utf-8" />
+    <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>New Style</title>
+    <title>Project Financial Management</title>
-<?php
+    <meta name="description" content="Project Financial Management Tool">
-// Read project preview data from environment
+    <meta property="og:title" content="Project Financial Management">
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
+    <meta property="og:description" content="Manage your project financials, roster, and budget.">
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
+    <meta property="og:image" content="<?php echo htmlspecialchars($_SERVER['PROJECT_IMAGE_URL'] ?? ''); ?>">
-?>
+    <meta name="twitter:card" content="summary_large_image">
-<?php if ($projectDescription): ?>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
-  <!-- Meta description -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
+    <link rel="preconnect" href="https://fonts.googleapis.com">
-  <!-- Open Graph meta tags -->
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
-  <!-- Twitter meta tags -->
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
 </head>
 <body>
-  <main>
+    <div class="top-navbar">
-    <div class="card">
+        Project Financial Management
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
     </div>
-  </main>
+    <div class="main-wrapper">
-  <footer>
+        <nav class="sidebar">
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
+            <ul class="nav flex-column">
-  </footer>
+                <li class="nav-item">
+                    <a class="nav-link" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a>
+                </li>
+            </ul>
+        </nav>
+        <main class="content-wrapper">
+            <div class="page-header">
+                <h1 class="h2">Welcome to Project Financial Management</h1>
+            </div>
+            <div class="card">
+                <div class="card-body">
+                    <p>This is the landing page. You can navigate to the Roster or Projects page using the sidebar.</p>
+                </div>
+            </div>
+        </main>
+    </div>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
 </body>
-</html>
+</html>

project_details.php

@@ -0,0 +1,385 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+// --- DATABASE MIGRATION ---
+function execute_sql_from_file($pdo, $filepath) {
+    try {
+        $sql = file_get_contents($filepath);
+        if ($sql === false) return false;
+        $pdo->exec($sql);
+        return true;
+    } catch (PDOException $e) {
+        // Ignore errors about tables/columns that already exist
+        if (strpos($e->getMessage(), 'already exists') === false && strpos($e->getMessage(), 'Duplicate column name') === false) {
+            error_log("SQL Execution Error in $filepath: " . $e->getMessage());
+        }
+        return false;
+    }
+}
+
+try {
+    $pdo = db();
+    $migration_files = glob(__DIR__ . '/db/migrations/*.sql');
+    sort($migration_files);
+    foreach ($migration_files as $file) {
+        execute_sql_from_file($pdo, $file);
+    }
+} catch (PDOException $e) {
+    $db_error = "Database connection failed: " . $e->getMessage();
+    // Stop execution if DB connection fails
+    die($db_error);
+}
+
+// --- DATA FETCHING & CALCULATION ---
+$project = null;
+$project_id = $_GET['id'] ?? null;
+$financial_data = [];
+$months = [];
+$metrics = ["Opening Balance", "Billings", "WIP", "Expenses", "Cost", "NSR", "Margin"];
+
+if ($project_id) {
+    $stmt = $pdo->prepare("SELECT * FROM projects WHERE id = :id");
+    $stmt->execute([':id' => $project_id]);
+    $project = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if ($project) {
+        // Helper to generate month range
+        function get_month_range($start_date_str, $end_date_str) {
+            $months = [];
+            if (empty($start_date_str) || empty($end_date_str)) return $months;
+            $start = new DateTime($start_date_str);
+            $end = new DateTime($end_date_str);
+            $current = clone $start;
+            $current->modify('first day of this month');
+
+            while ($current <= $end) {
+                $months[] = $current->format('Y-m-01');
+                $current->modify('+1 month');
+            }
+            return $months;
+        }
+        $months = get_month_range($project['startDate'], $project['endDate']);
+
+        // Initialize financial data structure
+        foreach ($metrics as $metric) {
+            foreach ($months as $month) {
+                $financial_data[$metric][$month] = 0;
+            }
+        }
+
+        // --- Financial Calculations ---
+
+        // 1. Fetch base monthly data
+        $monthly_costs = [];
+        $monthly_wip = [];
+
+        $forecast_stmt = $pdo->prepare("SELECT id FROM forecasting WHERE projectId = :pid ORDER BY versionNumber DESC LIMIT 1");
+        $forecast_stmt->execute([':pid' => $project_id]);
+        $latest_forecast = $forecast_stmt->fetch(PDO::FETCH_ASSOC);
+
+        if ($latest_forecast) {
+            $fid = $latest_forecast['id'];
+            
+            // Base Monthly Cost
+            $cost_sql = "SELECT fa.month, SUM(fa.allocatedDays * (r.totalMonthlyCost / 20)) as cost FROM forecastAllocation fa JOIN roster r ON fa.rosterId = r.id WHERE fa.forecastingId = :fid GROUP BY fa.month";
+            $cost_stmt = $pdo->prepare($cost_sql);
+            $cost_stmt->execute([':fid' => $fid]);
+            $monthly_costs = $cost_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+            // Base Monthly WIP
+            $recoverability_decimal = $project['recoverability'] / 100;
+            $wip_sql = "SELECT fa.month, SUM(fa.allocatedDays * (r.grossRevenue * (1 - :recoverability))) as wip FROM forecastAllocation fa JOIN roster r ON fa.rosterId = r.id WHERE fa.forecastingId = :fid GROUP BY fa.month";
+            $wip_stmt = $pdo->prepare($wip_sql);
+            $wip_stmt->execute([':fid' => $fid, ':recoverability' => $recoverability_decimal]);
+            $monthly_wip = $wip_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+        }
+
+        // Base Monthly Billings
+        $billing_stmt = $pdo->prepare("SELECT month, amount FROM billingMonthly WHERE projectId = :pid");
+        $billing_stmt->execute([':pid' => $project_id]);
+        $monthly_billing = $billing_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+        // Base Monthly Expenses
+        $expenses_stmt = $pdo->prepare("SELECT month, amount FROM expensesMonthly WHERE projectId = :pid");
+        $expenses_stmt->execute([':pid' => $project_id]);
+        $monthly_expenses = $expenses_stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+
+        // 2. Calculate and process values month by month, including overrides
+        $cumulative_billing = 0;
+        $cumulative_cost = 0;
+        $cumulative_expenses = 0;
+        $previous_month_opening_balance = 0; // Initialize Opening Balance for the first month.
+
+        // Fetch all overridden data at once to avoid querying in a loop
+        $override_stmt = $pdo->prepare("SELECT month, metricName, value FROM projectFinanceMonthly WHERE projectId = :pid AND is_overridden = 1");
+        $override_stmt->execute([':pid' => $project_id]);
+        $overridden_rows = $override_stmt->fetchAll(PDO::FETCH_ASSOC);
+        $overrides = [];
+        $metric_name_map = [
+            'wip' => 'WIP',
+            'opening_balance' => 'Opening Balance',
+            'billing' => 'Billings',
+            'expenses' => 'Expenses',
+            'cost' => 'Cost',
+            'nsr' => 'NSR',
+            'margin' => 'Margin'
+        ];
+        foreach ($overridden_rows as $row) {
+            if (isset($metric_name_map[$row['metricName']])) {
+                $metric_display_name = $metric_name_map[$row['metricName']];
+                $overrides[$row['month']][$metric_display_name] = $row['value'];
+            }
+        }
+
+        foreach ($months as $month) {
+            // --- Opening Balance ---
+            // Opening Balance of the current month is the Opening Balance of the previous month.
+            $opening_balance = $previous_month_opening_balance;
+            $financial_data['Opening Balance'][$month] = $opening_balance;
+            if (isset($overrides[$month]['Opening Balance'])) {
+                $financial_data['Opening Balance'][$month] = $overrides[$month]['Opening Balance'];
+            }
+
+            // --- Base Data ---
+            $cost = $monthly_costs[$month] ?? 0;
+            $base_monthly_wip = $monthly_wip[$month] ?? 0;
+            $billing = $monthly_billing[$month] ?? 0;
+            $expenses = $monthly_expenses[$month] ?? 0;
+
+            // --- Cumulative Metrics ---
+            $cumulative_billing += $billing;
+            $financial_data['Billings'][$month] = $cumulative_billing;
+            if (isset($overrides[$month]['Billings'])) {
+                $financial_data['Billings'][$month] = $overrides[$month]['Billings'];
+                $cumulative_billing = $financial_data['Billings'][$month];
+            }
+
+            $cumulative_cost += $cost;
+            $financial_data['Cost'][$month] = $cumulative_cost;
+            if (isset($overrides[$month]['Cost'])) {
+                $financial_data['Cost'][$month] = $overrides[$month]['Cost'];
+                $cumulative_cost = $financial_data['Cost'][$month];
+            }
+
+            $cumulative_expenses += $expenses;
+            $financial_data['Expenses'][$month] = $cumulative_expenses;
+            if (isset($overrides[$month]['Expenses'])) {
+                $financial_data['Expenses'][$month] = $overrides[$month]['Expenses'];
+                $cumulative_expenses = $financial_data['Expenses'][$month];
+            }
+
+            // --- WIP (Closing Balance) ---
+            $final_opening_balance = $financial_data['Opening Balance'][$month];
+            $current_wip = $final_opening_balance + $expenses + $base_monthly_wip - $billing;
+            $financial_data['WIP'][$month] = $current_wip;
+            if (isset($overrides[$month]['WIP'])) {
+                $financial_data['WIP'][$month] = $overrides[$month]['WIP'];
+            }
+
+            // --- Calculated Metrics (NSR and Margin) ---
+            $nsr = $financial_data['WIP'][$month] + $financial_data['Billings'][$month] - $financial_data['Opening Balance'][$month] - $financial_data['Expenses'][$month];
+            $financial_data['NSR'][$month] = $nsr;
+            if (isset($overrides[$month]['NSR'])) {
+                $financial_data['NSR'][$month] = $overrides[$month]['NSR'];
+            }
+
+            $final_nsr = $financial_data['NSR'][$month];
+            $final_cost = $financial_data['Cost'][$month];
+            $margin = ($final_nsr != 0) ? (($final_nsr - $final_cost) / $final_nsr) : 0;
+            $financial_data['Margin'][$month] = $margin;
+            if (isset($overrides[$month]['Margin'])) {
+                $financial_data['Margin'][$month] = $overrides[$month]['Margin'];
+            }
+
+            // --- Carry-over for next iteration ---
+            // The next month's opening balance is this month's final opening balance (including override).
+            $previous_month_opening_balance = $financial_data['Opening Balance'][$month];
+        }
+    }
+}
+
+// --- PAGE RENDER ---
+if (!$project) {
+    http_response_code(404);
+    $page_title = "Project Not Found";
+} else {
+    $page_title = "Details for " . htmlspecialchars($project['name']);
+}
+
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?php echo $page_title; ?></title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="top-navbar">
+        Project Financials
+    </div>
+    <div class="main-wrapper">
+        <nav class="sidebar">
+            <ul class="nav flex-column">
+                <li class="nav-item"><a class="nav-link" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a></li>
+                <li class="nav-item"><a class="nav-link active" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a></li>
+            </ul>
+        </nav>
+
+        <main class="content-wrapper">
+            <?php if (!$project): ?>
+                <div class="alert alert-danger">Project with ID <?php echo htmlspecialchars($project_id); ?> not found.</div>
+            <?php else: ?>
+                <div class="page-header">
+                    <h1 class="h2">Project: <?php echo htmlspecialchars($project['name']); ?></h1>
+                    <div class="header-actions">
+                        <a href="billing.php?id=<?php echo $project['id']; ?>" class="btn btn-primary"><i class="bi bi-credit-card-fill me-2"></i>Billing</a>
+                        <a href="expenses.php?id=<?php echo $project['id']; ?>" class="btn btn-danger me-2"><i class="bi bi-wallet-fill me-2"></i>Expenses</a>
+                                                <a href="forecasting.php?projectId=<?php echo $project['id']; ?>" class="btn btn-success"><i class="bi bi-bar-chart-line-fill me-2"></i>Forecasting</a>
+                        <a href="project_finance_details.php?id=<?php echo $project['id']; ?>" class="btn btn-info"><i class="bi bi-eye-fill me-2"></i>View Data</a>
+                    </div>
+                </div>
+
+                <!-- Section 1: Project Information -->
+                <div class="card mb-4">
+                    <div class="card-header">
+                        <h5 class="card-title mb-0">Project Information</h5>
+                    </div>
+                    <div class="card-body">
+                        <div class="row">
+                            <div class="col-md-6">
+                                <dl class="row">
+                                    <dt class="col-sm-4">Name</dt>
+                                    <dd class="col-sm-8"><?php echo htmlspecialchars($project['name']); ?></dd>
+                                    <dt class="col-sm-4">WBS</dt>
+                                    <dd class="col-sm-8"><?php echo htmlspecialchars($project['wbs'] ?? 'N/A'); ?></dd>
+                                    <dt class="col-sm-4">Start Date</dt>
+                                    <dd class="col-sm-8"><?php echo htmlspecialchars($project['startDate']); ?></dd>
+                                    <dt class="col-sm-4">End Date</dt>
+                                    <dd class="col-sm-8"><?php echo htmlspecialchars($project['endDate']); ?></dd>
+                                </dl>
+                            </div>
+                            <div class="col-md-6">
+                                <dl class="row">
+                                    <dt class="col-sm-4">Budget</dt>
+                                    <dd class="col-sm-8">&euro;<?php echo number_format($project['budget'], 2); ?></dd>
+                                    <dt class="col-sm-4">Recoverability</dt>
+                                    <dd class="col-sm-8"><?php echo number_format($project['recoverability'], 2); ?>%</dd>
+                                    <dt class="col-sm-4">Target Margin</dt>
+                                    <dd class="col-sm-8"><?php echo number_format($project['targetMargin'], 2); ?>%</dd>
+                                </dl>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+
+                <!-- Section 2: Monthly Financials -->
+                <div class="card mb-4">
+                    <div class="card-header d-flex justify-content-between align-items-center">
+                        <h5 class="card-title mb-0">Monthly Financials</h5>
+                        <div class="actions">
+                            <button class="btn btn-secondary disabled" disabled><i class="bi bi-upload me-2"></i>Import</button>
+                            <a href="export_project_finance.php?project_id=<?php echo $project['id']; ?>" class="btn btn-secondary"><i class="bi bi-download me-2"></i>Export</a>
+                        </div>
+                    </div>
+                    <div class="table-responsive">
+                        <table class="table table-bordered table-hover">
+                            <thead>
+                                <tr class="text-center">
+                                    <th class="bg-body-tertiary" style="min-width: 150px;">Metric</th>
+                                    <?php 
+                                    $is_first_month = true;
+                                    foreach ($months as $month): ?>
+                                        <th>
+                                            <?php echo date('M Y', strtotime($month)); ?>
+                                        </th>
+                                    <?php 
+                                        $is_first_month = false;
+                                    endforeach; ?>
+                                </tr>
+                            </thead>
+                            <tbody>
+                                <?php 
+                                $metrics_to_id = ['WIP', 'Opening Balance', 'Billings', 'Expenses', 'Cost', 'NSR', 'Margin'];
+                                foreach ($metrics as $metric): ?>
+                                <tr>
+                                    <td class="fw-bold bg-body-tertiary"><?php echo $metric; ?></td>
+                                    <?php 
+                                    foreach ($months as $month):
+                                        $cell_id_attr = '';
+                                        if (in_array($metric, $metrics_to_id)) {
+                                            $metric_id = str_replace(' ', '-', strtolower($metric));
+                                            $month_id = date('Y-m', strtotime($month));
+                                            $cell_id_attr = "id=\"{$metric_id}-{$month_id}\"";
+                                        }
+                                    ?>
+                                        <td class="text-end" <?php echo $cell_id_attr; ?> >
+                                            <?php 
+                                                if ($metric === 'Margin') {
+                                                    echo number_format(($financial_data[$metric][$month] ?? 0) * 100, 2) . '%';
+                                                } else {
+                                                    echo '&euro;' . number_format($financial_data[$metric][$month] ?? 0, 2);
+                                                }
+                                            ?>
+                                        </td>
+                                    <?php 
+                                    endforeach; ?>
+                                </tr>
+                                <?php endforeach; ?>
+                                <tr>
+                                    <td class="fw-bold bg-body-tertiary">Actions</td>
+                                    <?php
+                                    $override_status = [];
+                                    $override_check_stmt = $pdo->prepare("SELECT month, is_overridden FROM projectFinanceMonthly WHERE projectId = :pid GROUP BY month, is_overridden");
+                                    $override_check_stmt->execute([':pid' => $project_id]);
+                                    $statuses = $override_check_stmt->fetchAll(PDO::FETCH_ASSOC);
+
+                                    $monthly_override_status = [];
+                                    foreach($months as $month){
+                                        $monthly_override_status[$month] = 0;
+                                    }
+                                    foreach($statuses as $status){
+                                        if($status['is_overridden']){
+                                            $monthly_override_status[$status['month']] = 1;
+                                        }
+                                    }
+
+                                    $first_unoverridden_month = null;
+                                    foreach($monthly_override_status as $month => $status){
+                                        if(!$status){
+                                            $first_unoverridden_month = $month;
+                                            break;
+                                        }
+                                    }
+
+                                    foreach ($months as $month):
+                                    ?>
+                                        <td class="text-center">
+                                            <?php
+                                            if ($monthly_override_status[$month]) {
+                                                echo '<span class="badge bg-success">Overridden</span>';
+                                            } else {
+                                                $display_style = ($month === $first_unoverridden_month) ? '' : 'style="display: none;"';
+                                                echo '<button class="btn btn-sm btn-outline-primary btn-override" data-month="' . date('Y-m', strtotime($month)) . '" id="override-btn-' . $month . '" ' . $display_style . ' data-project-id="' . $project_id . '">Override</button>';
+                                            }
+                                            ?>
+                                        </td>
+                                    <?php endforeach; ?>
+                                </tr>
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
+
+            <?php endif; ?>
+        </main>
+    </div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+<script src="assets/js/project_details.js?v=<?php echo time(); ?>"></script>
+</body>
+</html>

project_finance_details.php

@@ -0,0 +1,147 @@
+<?php
+require_once __DIR__ . '/db/config.php';
+
+$project_id = $_GET['id'] ?? null;
+$project_name = '';
+$financial_data = [];
+
+if ($project_id) {
+    try {
+        $pdo = db();
+
+        // Fetch project name
+        $stmt = $pdo->prepare("SELECT name FROM projects WHERE id = :id");
+        $stmt->execute([':id' => $project_id]);
+        $project_name = $stmt->fetchColumn();
+
+        // Fetch financial data
+        $stmt = $pdo->prepare("SELECT * FROM projectFinanceMonthly WHERE projectId = :pid ORDER BY month");
+        $stmt->execute([':pid' => $project_id]);
+        $financial_data = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    } catch (PDOException $e) {
+        $db_error = "Database error: " . $e->getMessage();
+    }
+} else {
+    $page_title = "Project ID not provided";
+}
+
+$page_title = $project_name ? "Financial Data for " . htmlspecialchars($project_name) : "Project Not Found";
+
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?php echo $page_title; ?></title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css">
+</head>
+<body>
+    <div class="top-navbar">
+        Project Financials
+    </div>
+    <div class="main-wrapper">
+        <nav class="sidebar">
+            <ul class="nav flex-column">
+                <li class="nav-item"><a class="nav-link" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a></li>
+                <li class="nav-item"><a class="nav-link active" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a></li>
+            </ul>
+        </nav>
+
+        <main class="content-wrapper">
+            <div class="page-header">
+                <h1 class="h2"><?php echo $page_title; ?></h1>
+                <div class="header-actions">
+                    <a href="project_details.php?id=<?php echo htmlspecialchars($project_id); ?>" class="btn btn-secondary"><i class="bi bi-arrow-left-circle-fill me-2"></i>Back to Project</a>
+                </div>
+            </div>
+
+            
+
+            <?php if (isset($db_error)): ?>
+                <div class="alert alert-danger"><?php echo $db_error; ?></div>
+            <?php elseif (!$project_id || !$project_name): ?>
+                <div class="alert alert-warning">Project not found or no ID provided.</div>
+            <?php elseif (empty($financial_data)): ?>
+                <div class="alert alert-info">No financial data found for this project.</div>
+            <?php else: ?>
+                <div class="card">
+                    <div class="card-body">
+                        <div class="table-responsive">
+                            <table class="table table-bordered table-hover">
+                                <thead class="table-light">
+                                    <tr>
+                                        <?php
+                                        // Define user-friendly headers
+                                        $header_map = [
+                                            'month' => 'Month',
+                                            'wip' => 'WIP',
+                                            'opening_balance' => 'Opening Balance',
+                                            'billing' => 'Billing',
+                                            'expenses' => 'Expenses',
+                                            'is_overridden' => 'Overridden',
+                                            'createdAt' => 'Created At',
+                                            'updatedAt' => 'Updated At',
+                                            'id' => 'ID',
+                                        ];
+
+                                        // Get the headers from the first row, but exclude projectId
+                                        $headers = [];
+                                        if (!empty($financial_data)) {
+                                            $headers = array_keys($financial_data[0]);
+                                            // Remove projectId from headers
+                                            $headers = array_filter($headers, fn($h) => $h !== 'projectId');
+                                        }
+
+                                        foreach ($headers as $key) {
+                                            $display_header = isset($header_map[$key]) ? $header_map[$key] : htmlspecialchars($key);
+                                            echo "<th>" . $display_header . "</th>";
+                                        }
+                                        ?>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <?php foreach ($financial_data as $row): ?>
+                                        <tr>
+                                            <?php
+                                            foreach ($headers as $key) {
+                                                $value = $row[$key];
+                                                $formatted_value = htmlspecialchars($value);
+
+                                                // Simple currency/date formatting
+                                                if (in_array($key, ['opening_balance', 'payment', 'wip', 'expenses', 'cost', 'nsr', 'value'])) {
+                                                    $formatted_value = '€' . number_format((float)$value, 2);
+                                                } elseif ($key === 'margin') {
+                                                    $formatted_value = number_format((float)$value * 100, 2) . '%';
+                                                } elseif (in_array($key, ['is_confirmed', 'is_overridden'])) {
+                                                    $formatted_value = $value ? '<i class="bi bi-check-circle-fill text-success"></i>' : '<i class="bi bi-x-circle-fill text-danger"></i>';
+                                                } elseif ($key === 'month') {
+                                                    try {
+                                                        $date = new DateTime($value);
+                                                        $formatted_value = $date->format('F Y');
+                                                    } catch (Exception $e) {
+                                                        // keep original value if format fails
+                                                    }
+                                                }
+
+                                                echo "<td>" . $formatted_value . "</td>";
+                                            }
+                                            ?>
+                                        </tr>
+                                    <?php endforeach; ?>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+            <?php endif; ?>
+        </main>
+    </div>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+</body>
+</html>

projects.php

@@ -0,0 +1,341 @@
+<?php
+// --- FORM PROCESSING ---
+$form_error = null;
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'create_project') {
+    if (empty($_POST['name'])) {
+        $form_error = "Project Name is required.";
+    } else {
+        try {
+            require_once __DIR__ . '/db/config.php';
+            $pdo_form = db();
+            $insert_sql = "INSERT INTO projects (name, wbs, startDate, endDate, budget, recoverability, targetMargin) VALUES (:name, :wbs, :startDate, :endDate, :budget, :recoverability, :targetMargin)";
+            $stmt = $pdo_form->prepare($insert_sql);
+            $stmt->execute([
+                ':name' => $_POST['name'],
+                ':wbs' => $_POST['wbs'] ?? null,
+                ':startDate' => empty($_POST['startDate']) ? null : $_POST['startDate'],
+                ':endDate' => empty($_POST['endDate']) ? null : $_POST['endDate'],
+                ':budget' => (float)($_POST['budget'] ?? 0),
+                ':recoverability' => (float)($_POST['recoverability'] ?? 100),
+                ':targetMargin' => (float)($_POST['targetMargin'] ?? 0),
+            ]);
+
+            // Create initial forecasting version
+            $projectId = $pdo_form->lastInsertId();
+            $forecast_sql = "INSERT INTO forecasting (projectId, versionNumber, createdAt) VALUES (:projectId, 1, NOW())";
+            $forecast_stmt = $pdo_form->prepare($forecast_sql);
+            $forecast_stmt->execute([':projectId' => $projectId]);
+
+            header("Location: " . $_SERVER['PHP_SELF']);
+            exit();
+        } catch (PDOException $e) {
+            $form_error = "Database error: " . $e->getMessage();
+        }
+    }
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'delete_project') {
+    try {
+        require_once __DIR__ . '/db/config.php';
+        $pdo_delete = db();
+        $delete_sql = "DELETE FROM projects WHERE id = :id";
+        $stmt = $pdo_delete->prepare($delete_sql);
+        $stmt->execute([':id' => $_POST['id']]);
+        header("Location: " . $_SERVER['PHP_SELF']);
+        exit();
+    } catch (PDOException $e) {
+        $form_error = "Database error: " . $e->getMessage();
+    }
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'update_project') {
+    if (empty($_POST['id']) || empty($_POST['name'])) {
+        $form_error = "ID and Project Name are required for an update.";
+    } else {
+        try {
+            require_once __DIR__ . '/db/config.php';
+            $pdo_update = db();
+            $update_sql = "UPDATE projects SET 
+                name = :name, 
+                wbs = :wbs, 
+                startDate = :startDate, 
+                endDate = :endDate, 
+                budget = :budget, 
+                recoverability = :recoverability, 
+                targetMargin = :targetMargin
+            WHERE id = :id";
+
+            $stmt = $pdo_update->prepare($update_sql);
+            $stmt->execute([
+                ':id' => $_POST['id'],
+                ':name' => $_POST['name'],
+                ':wbs' => $_POST['wbs'] ?? null,
+                ':startDate' => empty($_POST['startDate']) ? null : $_POST['startDate'],
+                ':endDate' => empty($_POST['endDate']) ? null : $_POST['endDate'],
+                ':budget' => (float)($_POST['budget'] ?? 0),
+                ':recoverability' => (float)($_POST['recoverability'] ?? 100),
+                ':targetMargin' => (float)($_POST['targetMargin'] ?? 0),
+            ]);
+
+            header("Location: " . $_SERVER['PHP_SELF']);
+            exit();
+
+        } catch (PDOException $e) {
+            $form_error = "Database error: " . $e->getMessage();
+        }
+    }
+}
+
+// --- DATABASE INITIALIZATION ---
+require_once __DIR__ . '/db/config.php';
+
+function execute_sql_from_file($pdo, $filepath) {
+    try {
+        $sql = file_get_contents($filepath);
+        $pdo->exec($sql);
+        return true;
+    } catch (PDOException $e) {
+        if (strpos($e->getMessage(), 'already exists') === false) {
+            error_log("SQL Execution Error: " . $e->getMessage());
+        }
+        return false;
+    }
+}
+
+$projects_data = [];
+try {
+    $pdo = db();
+
+    // Apply all migrations
+    $migration_files = glob(__DIR__ . '/db/migrations/*.sql');
+    sort($migration_files);
+    foreach ($migration_files as $file) {
+        execute_sql_from_file($pdo, $file);
+    }
+
+    $stmt = $pdo->query("SELECT * FROM projects ORDER BY name");
+    $projects_data = $stmt->fetchAll(PDO::FETCH_ASSOC);
+} catch (PDOException $e) {
+    $db_error = "Database connection failed: " . $e->getMessage();
+}
+
+// --- RENDER PAGE ---
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Projects - Project Financials</title>
+    
+    <meta name="description" content="Manage Projects - Project Financials Management Tool">
+    <meta property="og:title" content="Projects - Project Financials">
+    <meta property="og:description" content="Manage your project financials, roster, and budget.">
+    <meta property="og:image" content="<?php echo htmlspecialchars($_SERVER['PROJECT_IMAGE_URL'] ?? ''); ?>">
+    <meta name="twitter:card" content="summary_large_image">
+
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="top-navbar">
+        Project Financials
+    </div>
+    <div class="main-wrapper">
+        <nav class="sidebar">
+            <ul class="nav flex-column">
+                <li class="nav-item">
+                    <a class="nav-link" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link active" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a>
+                </li>
+            </ul>
+        </nav>
+
+        <main class="content-wrapper">
+            <?php if (isset($db_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($db_error); ?></div>
+            <?php elseif (isset($form_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($form_error); ?></div>
+            <?php endif; ?>
+
+            <div class="page-header">
+                <h1 class="h2">Projects</h1>
+                <div class="header-actions">
+                    <button class="btn btn-secondary disabled" disabled><i class="bi bi-upload me-2"></i>Import Excel</button>
+                    <button class="btn btn-secondary disabled" disabled><i class="bi bi-download me-2"></i>Export Excel</button>
+                    <button class="btn btn-primary" id="newProjectBtn"><i class="bi bi-plus-circle-fill me-2"></i>New Project</button>
+                </div>
+            </div>
+
+            <div class="card">
+                <div class="table-responsive">
+                    <table class="table table-hover">
+                        <thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>WBS</th>
+                                <th>Start Date</th>
+                                <th>End Date</th>
+                                <th>Budget</th>
+                                <th>Recoverability</th>
+                                <th>Target Margin</th>
+                                <th>Actions</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php if (empty($projects_data)): ?>
+                                <tr>
+                                    <td colspan="8" class="text-center text-secondary">No projects found.</td>
+                                </tr>
+                            <?php else: ?>
+                                <?php foreach ($projects_data as $row): ?>
+                                    <tr>
+                                        <td><?php echo htmlspecialchars($row['name']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['wbs']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['startDate']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['endDate']); ?></td>
+                                        <td>&euro;<?php echo number_format($row['budget'], 2); ?></td>
+                                        <td><?php echo number_format($row['recoverability'], 2); ?>%</td>
+                                        <td><?php echo number_format($row['targetMargin'], 2); ?>%</td>
+                                        <td>
+                                            <div class="d-flex">
+                                                <a href="project_details.php?id=<?php echo $row['id']; ?>" class="btn btn-sm btn-outline-info me-2">View</a>
+                                                <button class="btn btn-sm btn-outline-primary me-2 edit-btn" 
+                                                        data-row='<?php echo htmlspecialchars(json_encode($row), ENT_QUOTES, 'UTF-8'); ?>'>
+                                                    Edit
+                                                </button>
+                                                <form action="projects.php" method="POST" onsubmit="return confirm('Are you sure you want to delete this item?');">
+                                                    <input type="hidden" name="action" value="delete_project">
+                                                    <input type="hidden" name="id" value="<?php echo $row['id']; ?>">
+                                                    <button type="submit" class="btn btn-sm btn-outline-danger">Delete</button>
+                                                </form>
+                                            </div>
+                                        </td>
+                                    </tr>
+                                <?php endforeach; ?>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <!-- New Project Modal -->
+    <div class="modal fade" id="newProjectModal" tabindex="-1" aria-labelledby="newProjectModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered">
+            <div class="modal-content">
+                <form action="projects.php" method="POST">
+                    <input type="hidden" name="action" value="create_project">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="newProjectModalLabel">New Project</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="mb-3">
+                            <label for="name" class="form-label">Project Name</label>
+                            <input type="text" class="form-control" id="name" name="name" required>
+                        </div>
+                        <div class="mb-3">
+                            <label for="wbs" class="form-label">WBS</label>
+                            <input type="text" class="form-control" id="wbs" name="wbs">
+                        </div>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="startDate" class="form-label">Start Date</label>
+                                <input type="date" class="form-control" id="startDate" name="startDate">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="endDate" class="form-label">End Date</label>
+                                <input type="date" class="form-control" id="endDate" name="endDate">
+                            </div>
+                        </div>
+                        <div class="mb-3">
+                            <label for="budget" class="form-label">Budget (&euro;)</label>
+                            <input type="number" step="0.01" class="form-control" id="budget" name="budget" value="0">
+                        </div>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="recoverability" class="form-label">Recoverability (%)</label>
+                                <input type="number" step="0.01" class="form-control" id="recoverability" name="recoverability" value="100">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="targetMargin" class="form-label">Target Margin (%)</label>
+                                <input type="number" step="0.01" class="form-control" id="targetMargin" name="targetMargin" value="0">
+                            </div>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                        <button type="submit" class="btn btn-primary">Save Project</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/js/projects.js?v=<?php echo time(); ?>"></script>
+
+    <!-- Edit Project Modal -->
+    <div class="modal fade" id="editProjectModal" tabindex="-1" aria-labelledby="editProjectModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered">
+            <div class="modal-content">
+                <form action="projects.php" method="POST">
+                    <input type="hidden" name="action" value="update_project">
+                    <input type="hidden" name="id" id="edit-id">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="editProjectModalLabel">Edit Project</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="mb-3">
+                            <label for="edit-name" class="form-label">Project Name</label>
+                            <input type="text" class="form-control" id="edit-name" name="name" required>
+                        </div>
+                        <div class="mb-3">
+                            <label for="edit-wbs" class="form-label">WBS</label>
+                            <input type="text" class="form-control" id="edit-wbs" name="wbs">
+                        </div>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-startDate" class="form-label">Start Date</label>
+                                <input type="date" class="form-control" id="edit-startDate" name="startDate">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-endDate" class="form-label">End Date</label>
+                                <input type="date" class="form-control" id="edit-endDate" name="endDate">
+                            </div>
+                        </div>
+                        <div class="mb-3">
+                            <label for="edit-budget" class="form-label">Budget (&euro;)</label>
+                            <input type="number" step="0.01" class="form-control" id="edit-budget" name="budget">
+                        </div>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-recoverability" class="form-label">Recoverability (%)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-recoverability" name="recoverability">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-targetMargin" class="form-label">Target Margin (%)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-targetMargin" name="targetMargin">
+                            </div>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                        <button type="submit" class="btn btn-primary">Save Changes</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+</body>
+</html>

roster.php

@@ -0,0 +1,742 @@
+<?php
+// --- FORM PROCESSING ---
+$form_error = null;
+$form_success = null;
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'create_roster') {
+    // Basic validation
+    if (empty($_POST['sapCode']) || empty($_POST['fullNameEn'])) {
+        $form_error = "SAP Code and Full Name are required.";
+    } else {
+        try {
+            require_once __DIR__ . '/db/config.php';
+            $pdo_form = db();
+            
+            // Prepare data from form
+            $newAmendedSalary = (float)($_POST['newAmendedSalary'] ?? 0);
+            $employerContributions = (float)($_POST['employerContributions'] ?? 0);
+            $cars = (float)($_POST['cars'] ?? 0);
+            $ticketRestaurant = (float)($_POST['ticketRestaurant'] ?? 0);
+            $metlife = (float)($_POST['metlife'] ?? 0);
+            $topusPerMonth = (float)($_POST['topusPerMonth'] ?? 0);
+            $grossRevenue = (float)($_POST['grossRevenue'] ?? 0);
+
+            // Auto-calculations
+            $totalSalaryCostWithLabor = $newAmendedSalary + $employerContributions;
+            $totalMonthlyCost = $totalSalaryCostWithLabor + $cars + $ticketRestaurant + $metlife + $topusPerMonth;
+            $totalAnnualCost = $totalMonthlyCost * 14;
+
+            $insert_sql = "INSERT INTO roster (sapCode, fullNameEn, legalEntity, functionBusinessUnit, costCenterCode, `level`, newAmendedSalary, employerContributions, cars, ticketRestaurant, metlife, topusPerMonth, totalSalaryCostWithLabor, totalMonthlyCost, totalAnnualCost, grossRevenue) VALUES (:sapCode, :fullNameEn, :legalEntity, :functionBusinessUnit, :costCenterCode, :level, :newAmendedSalary, :employerContributions, :cars, :ticketRestaurant, :metlife, :topusPerMonth, :totalSalaryCostWithLabor, :totalMonthlyCost, :totalAnnualCost, :grossRevenue)";
+            $stmt = $pdo_form->prepare($insert_sql);
+
+            $stmt->execute([
+                ':sapCode' => $_POST['sapCode'],
+                ':fullNameEn' => $_POST['fullNameEn'],
+                ':legalEntity' => $_POST['legalEntity'] ?? null,
+                ':functionBusinessUnit' => $_POST['functionBusinessUnit'] ?? null,
+                ':costCenterCode' => $_POST['costCenterCode'] ?? null,
+                ':level' => $_POST['level'] ?? null,
+                ':newAmendedSalary' => $newAmendedSalary,
+                ':employerContributions' => $employerContributions,
+                ':cars' => $cars,
+                ':ticketRestaurant' => $ticketRestaurant,
+                ':metlife' => $metlife,
+                ':topusPerMonth' => $topusPerMonth,
+                ':totalSalaryCostWithLabor' => $totalSalaryCostWithLabor,
+                ':totalMonthlyCost' => $totalMonthlyCost,
+                ':totalAnnualCost' => $totalAnnualCost,
+                ':grossRevenue' => $grossRevenue
+            ]);
+
+            // To prevent form resubmission on refresh, redirect
+            header("Location: " . $_SERVER['PHP_SELF']);
+            exit();
+
+        } catch (PDOException $e) {
+            // Check for duplicate entry
+            if ($e->errorInfo[1] == 1062) {
+                $form_error = "Error: A resource with this SAP Code already exists.";
+            } else {
+                $form_error = "Database error: " . $e->getMessage();
+            }
+        }
+    }
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'delete_roster') {
+    try {
+        require_once __DIR__ . '/db/config.php';
+        $pdo_delete = db();
+        $delete_sql = "DELETE FROM roster WHERE id = :id";
+        $stmt = $pdo_delete->prepare($delete_sql);
+        $stmt->execute([':id' => $_POST['id']]);
+        header("Location: " . $_SERVER['PHP_SELF']);
+        exit();
+    } catch (PDOException $e) {
+        $form_error = "Database error: " . $e->getMessage();
+    }
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'update_roster') {
+    if (empty($_POST['id']) || empty($_POST['sapCode']) || empty($_POST['fullNameEn'])) {
+        $form_error = "ID, SAP Code, and Full Name are required for an update.";
+    } else {
+        try {
+            require_once __DIR__ . '/db/config.php';
+            $pdo_update = db();
+
+            // Prepare data from form
+            $newAmendedSalary = (float)($_POST['newAmendedSalary'] ?? 0);
+            $employerContributions = (float)($_POST['employerContributions'] ?? 0);
+            $cars = (float)($_POST['cars'] ?? 0);
+            $ticketRestaurant = (float)($_POST['ticketRestaurant'] ?? 0);
+            $metlife = (float)($_POST['metlife'] ?? 0);
+            $topusPerMonth = (float)($_POST['topusPerMonth'] ?? 0);
+            $grossRevenue = (float)($_POST['grossRevenue'] ?? 0);
+
+            // Auto-calculations
+            $totalSalaryCostWithLabor = $newAmendedSalary + $employerContributions;
+            $totalMonthlyCost = $totalSalaryCostWithLabor + $cars + $ticketRestaurant + $metlife + $topusPerMonth;
+            $totalAnnualCost = $totalMonthlyCost * 14;
+
+            $update_sql = "UPDATE roster SET 
+                sapCode = :sapCode, 
+                fullNameEn = :fullNameEn, 
+                legalEntity = :legalEntity, 
+                functionBusinessUnit = :functionBusinessUnit, 
+                costCenterCode = :costCenterCode, 
+                `level` = :level, 
+                newAmendedSalary = :newAmendedSalary, 
+                employerContributions = :employerContributions, 
+                cars = :cars, 
+                ticketRestaurant = :ticketRestaurant, 
+                metlife = :metlife, 
+                topusPerMonth = :topusPerMonth, 
+                totalSalaryCostWithLabor = :totalSalaryCostWithLabor, 
+                totalMonthlyCost = :totalMonthlyCost, 
+                totalAnnualCost = :totalAnnualCost,
+                grossRevenue = :grossRevenue
+            WHERE id = :id";
+
+            $stmt = $pdo_update->prepare($update_sql);
+            $stmt->execute([
+                ':id' => $_POST['id'],
+                ':sapCode' => $_POST['sapCode'],
+                ':fullNameEn' => $_POST['fullNameEn'],
+                ':legalEntity' => $_POST['legalEntity'] ?? null,
+                ':functionBusinessUnit' => $_POST['functionBusinessUnit'] ?? null,
+                ':costCenterCode' => $_POST['costCenterCode'] ?? null,
+                ':level' => $_POST['level'] ?? null,
+                ':newAmendedSalary' => $newAmendedSalary,
+                ':employerContributions' => $employerContributions,
+                ':cars' => $cars,
+                ':ticketRestaurant' => $ticketRestaurant,
+                ':metlife' => $metlife,
+                ':topusPerMonth' => $topusPerMonth,
+                ':totalSalaryCostWithLabor' => $totalSalaryCostWithLabor,
+                ':totalMonthlyCost' => $totalMonthlyCost,
+                ':totalAnnualCost' => $totalAnnualCost,
+                ':grossRevenue' => $grossRevenue
+            ]);
+
+            header("Location: " . $_SERVER['PHP_SELF']);
+            exit();
+
+        } catch (PDOException $e) {
+            if ($e->errorInfo[1] == 1062) {
+                $form_error = "Error: A resource with this SAP Code already exists.";
+            } else {
+                $form_error = "Database error: " . $e->getMessage();
+            }
+        }
+    }
+}
+
+// --- DATABASE INITIALIZATION ---
+require_once __DIR__ . '/db/config.php';
+
+function execute_sql_from_file($pdo, $filepath) {
+    try {
+        $sql = file_get_contents($filepath);
+        $pdo->exec($sql);
+        return true;
+    } catch (PDOException $e) {
+        if (strpos($e->getMessage(), 'already exists') === false) {
+            error_log("SQL Execution Error: " . $e->getMessage());
+        }
+        return false;
+    }
+}
+
+function seed_roster_data($pdo) {
+    try {
+        $stmt = $pdo->query("SELECT COUNT(*) FROM roster");
+        if ($stmt->fetchColumn() > 0) {
+            return; // Data already exists
+        }
+
+        $seed_data = [
+            [
+                'sapCode' => '1001', 'fullNameEn' => 'John Doe', 'legalEntity' => 'Entity A', 'functionBusinessUnit' => 'Finance',
+                'costCenterCode' => 'CC100', 'level' => 'Senior', 'newAmendedSalary' => 6000, 'employerContributions' => 1500,
+                'cars' => 500, 'ticketRestaurant' => 150, 'metlife' => 50, 'topusPerMonth' => 100
+            ],
+            [
+                'sapCode' => '1002', 'fullNameEn' => 'Jane Smith', 'legalEntity' => 'Entity B', 'functionBusinessUnit' => 'IT',
+                'costCenterCode' => 'CC200', 'level' => 'Manager', 'newAmendedSalary' => 8000, 'employerContributions' => 2000,
+                'cars' => 600, 'ticketRestaurant' => 150, 'metlife' => 60, 'topusPerMonth' => 120
+            ],
+        ];
+
+        $insert_sql = "INSERT INTO roster (sapCode, fullNameEn, legalEntity, functionBusinessUnit, costCenterCode, `level`, newAmendedSalary, employerContributions, cars, ticketRestaurant, metlife, topusPerMonth, totalSalaryCostWithLabor, totalMonthlyCost, totalAnnualCost) VALUES (:sapCode, :fullNameEn, :legalEntity, :functionBusinessUnit, :costCenterCode, :level, :newAmendedSalary, :employerContributions, :cars, :ticketRestaurant, :metlife, :topusPerMonth, :totalSalaryCostWithLabor, :totalMonthlyCost, :totalAnnualCost)";
+        $stmt = $pdo->prepare($insert_sql);
+
+        foreach ($seed_data as $row) {
+            $totalSalaryCostWithLabor = $row['newAmendedSalary'] + $row['employerContributions'];
+            $totalMonthlyCost = $totalSalaryCostWithLabor + $row['cars'] + $row['ticketRestaurant'] + $row['metlife'] + $row['topusPerMonth'];
+            $totalAnnualCost = $totalMonthlyCost * 14;
+
+            $stmt->execute([
+                ':sapCode' => $row['sapCode'],
+                ':fullNameEn' => $row['fullNameEn'],
+                ':legalEntity' => $row['legalEntity'],
+                ':functionBusinessUnit' => $row['functionBusinessUnit'],
+                ':costCenterCode' => $row['costCenterCode'],
+                ':level' => $row['level'],
+                ':newAmendedSalary' => $row['newAmendedSalary'],
+                ':employerContributions' => $row['employerContributions'],
+                ':cars' => $row['cars'],
+                ':ticketRestaurant' => $row['ticketRestaurant'],
+                ':metlife' => $row['metlife'],
+                ':topusPerMonth' => $row['topusPerMonth'],
+                ':totalSalaryCostWithLabor' => $totalSalaryCostWithLabor,
+                ':totalMonthlyCost' => $totalMonthlyCost,
+                ':totalAnnualCost' => $totalAnnualCost
+            ]);
+        }
+
+    } catch (PDOException $e) {
+        error_log("Seeding Error: " . $e->getMessage());
+    }
+}
+
+$roster_data = [];
+$search_term = $_GET['search'] ?? '';
+
+try {
+    $pdo = db();
+    
+    // Apply all migrations
+    $migration_files = glob(__DIR__ . '/db/migrations/*.sql');
+    sort($migration_files);
+    foreach ($migration_files as $file) {
+        execute_sql_from_file($pdo, $file);
+    }
+
+    seed_roster_data($pdo);
+
+    $sql = "SELECT * FROM roster";
+    $params = [];
+
+    if (!empty($search_term)) {
+        $sql .= " WHERE fullNameEn LIKE :search OR sapCode LIKE :search";
+        $params[':search'] = '%' . $search_term . '%';
+    }
+
+    $sql .= " ORDER BY fullNameEn";
+    $stmt = $pdo->prepare($sql);
+    $stmt->execute($params);
+    $roster_data = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+} catch (PDOException $e) {
+    $db_error = "Database connection failed: " . $e->getMessage();
+}
+
+// --- RENDER PAGE ---
+?>
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Project Financials</title>
+    
+    <meta name="description" content="<?php echo htmlspecialchars($_SERVER['PROJECT_DESCRIPTION'] ?? 'Project Financials Management Tool'); ?>">
+    <meta property="og:title" content="Project Financials">
+    <meta property="og:description" content="<?php echo htmlspecialchars($_SERVER['PROJECT_DESCRIPTION'] ?? 'Manage your project financials, roster, and budget.'); ?>">
+    <meta property="og:image" content="<?php echo htmlspecialchars($_SERVER['PROJECT_IMAGE_URL'] ?? ''); ?>">
+    <meta name="twitter:card" content="summary_large_image">
+
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+    <div class="top-navbar">
+        Project Financials
+    </div>
+    <div class="main-wrapper">
+        <nav class="sidebar">
+            <ul class="nav flex-column">
+                <li class="nav-item">
+                    <a class="nav-link active" href="roster.php"><i class="bi bi-people-fill me-2"></i>Roster</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="projects.php"><i class="bi bi-briefcase-fill me-2"></i>Projects</a>
+                </li>
+            </ul>
+        </nav>
+
+        <main class="content-wrapper">
+            <?php
+            if (isset($_GET['import_status'])) {
+                $status = $_GET['import_status'];
+                $message = htmlspecialchars($_GET['import_message'] ?? '');
+                $alert_class = $status === 'success' ? 'alert-success' : 'alert-danger';
+                echo "<div class='alert {$alert_class} alert-dismissible fade show' role='alert'>
+                        {$message}
+                        <button type='button' class='btn-close' data-bs-dismiss='alert' aria-label='Close'></button>
+                      </div>";
+            }
+            ?>
+            <?php if (isset($db_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($db_error); ?></div>
+            <?php elseif (isset($form_error)): ?>
+                <div class="alert alert-danger"><?php echo htmlspecialchars($form_error); ?></div>
+            <?php endif; ?>
+
+            <div class="page-header">
+                <h1 class="h2">Roster</h1>
+                <div class="header-actions">
+                    <button class="btn btn-secondary" data-bs-toggle="modal" data-bs-target="#importModal"><i class="bi bi-upload me-2"></i>Import Excel</button>
+                    <a href="export.php" class="btn btn-secondary"><i class="bi bi-download me-2"></i>Export Excel</a>
+                    <button class="btn btn-primary" id="newResourceBtn"><i class="bi bi-plus-circle-fill me-2"></i>New Resource</button>
+                </div>
+            </div>
+
+            <div class="card">
+                    <div class="card-header">
+                        <form action="roster.php" method="GET" class="row g-3 align-items-center">
+                            <div class="col-auto">
+                                <label for="search" class="visually-hidden">Search</label>
+                                <input type="text" class="form-control" id="search" name="search" placeholder="Search by name or SAP..." value="<?php echo htmlspecialchars($_GET['search'] ?? ''); ?>">
+                            </div>
+                            <div class="col-auto">
+                                <button type="submit" class="btn btn-primary">Search</button>
+                                <a href="roster.php" class="btn btn-secondary">Clear</a>
+                            </div>
+                        </form>
+                    </div>
+                    <div class="table-responsive">
+                    <table class="table table-hover">
+                        <thead>
+                            <tr>
+                                <th>SAP Code</th>
+                                <th>Full Name</th>
+                                <th>Level</th>
+                                <th>Legal Entity</th>
+                                <th>Function</th>
+                                <th>Cost Center</th>
+                                <th>Salary (&euro;)</th>
+                                <th>Employer Contributions (&euro;)</th>
+                                <th>Total Salary Cost (&euro;)</th>
+                                <th>Cars (&euro;)</th>
+                                <th>Metlife (&euro;)</th>
+                                <th>Ticket Restaurant (&euro;)</th>
+                                <th>Bonus/Month (&euro;)</th>
+                                <th>Daily Cost (&euro;)</th>
+                                <th>Total Monthly Cost (&euro;)</th>
+                                <th>Total Annual Cost (&euro;)</th>
+                                <th>Gross Revenue (&euro;)</th>
+                                <th>Actions</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php if (empty($roster_data)): ?>
+                                <tr>
+                                    <td colspan="19" class="text-center text-secondary">No roster data found.</td>
+                                </tr>
+                            <?php else: ?>
+                                <?php foreach ($roster_data as $row): ?>
+                                    <tr>
+                                        <td><?php echo htmlspecialchars($row['sapCode']); ?></td>
+                                        <td>
+                                            <a href="#" class="view-btn" data-bs-toggle="modal" data-bs-target="#viewResourceModal" data-row='<?php echo htmlspecialchars(json_encode($row), ENT_QUOTES, 'UTF-8'); ?>'>
+                                                <?php echo htmlspecialchars($row['fullNameEn']); ?>
+                                            </a>
+                                        </td>
+                                        <td><?php echo htmlspecialchars($row['level']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['legalEntity']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['functionBusinessUnit']); ?></td>
+                                        <td><?php echo htmlspecialchars($row['costCenterCode']); ?></td>
+                                        <td>&euro;<?php echo number_format($row['newAmendedSalary'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['employerContributions'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['totalSalaryCostWithLabor'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['cars'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['metlife'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['ticketRestaurant'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['topusPerMonth'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['totalMonthlyCost'] / 20, 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['totalMonthlyCost'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['totalAnnualCost'], 2); ?></td>
+                                        <td>&euro;<?php echo number_format($row['grossRevenue'], 2); ?></td>
+                                        <td>
+                                            <div class="d-flex">
+                                                <button class="btn btn-sm btn-outline-info me-2 view-btn"
+                                                        data-row='<?php echo htmlspecialchars(json_encode($row), ENT_QUOTES, 'UTF-8'); ?>'>
+                                                    View
+                                                </button>
+                                                <button class="btn btn-sm btn-outline-primary me-2 edit-btn"
+                                                        data-row='<?php echo htmlspecialchars(json_encode($row), ENT_QUOTES, 'UTF-8'); ?>'>
+                                                    Edit
+                                                </button>
+                                                <form action="roster.php" method="POST" onsubmit="return confirm('Are you sure you want to delete this item?');">
+                                                    <input type="hidden" name="action" value="delete_roster">
+                                                    <input type="hidden" name="id" value="<?php echo $row['id']; ?>">
+                                                    <button type="submit" class="btn btn-sm btn-outline-danger">Delete</button>
+                                                </form>
+                                            </div>
+                                        </td>
+                                    </tr>
+                                <?php endforeach; ?>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <!-- New Resource Modal -->
+    <div class="modal fade" id="newResourceModal" tabindex="-1" aria-labelledby="newResourceModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered modal-lg">
+            <div class="modal-content">
+                <form action="roster.php" method="POST">
+                    <input type="hidden" name="action" value="create_roster">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="newResourceModalLabel">New Resource</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <h5 class="mb-3">Employee Information</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="sapCode" class="form-label">SAP Code</label>
+                                <input type="text" class="form-control" id="sapCode" name="sapCode" required>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="fullNameEn" class="form-label">Full Name</label>
+                                <input type="text" class="form-control" id="fullNameEn" name="fullNameEn" required>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="level" class="form-label">Level</label>
+                                <select class="form-select" id="level" name="level">
+                                    <option value="">Select Level</option>
+                                    <option value="BUSINESS ANALYST">BUSINESS ANALYST</option>
+                                    <option value="CONSULTANT">CONSULTANT</option>
+                                    <option value="SENIOR CONSULTANT">SENIOR CONSULTANT</option>
+                                    <option value="ASSISTANT MANAGER">ASSISTANT MANAGER</option>
+                                    <option value="MANAGER">MANAGER</option>
+                                    <option value="SENIOR MANAGER">SENIOR MANAGER</option>
+                                    <option value="Intern">Intern</option>
+                                </select>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="legalEntity" class="form-label">Legal Entity</label>
+                                <input type="text" class="form-control" id="legalEntity" name="legalEntity">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="functionBusinessUnit" class="form-label">Function Business Unit</label>
+                                <input type="text" class="form-control" id="functionBusinessUnit" name="functionBusinessUnit">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="costCenterCode" class="form-label">Cost Center Code</label>
+                                <input type="text" class="form-control" id="costCenterCode" name="costCenterCode">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Compensation Details</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="newAmendedSalary" class="form-label">Salary (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="newAmendedSalary" name="newAmendedSalary" value="0">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="employerContributions" class="form-label">Employer Contributions (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="employerContributions" name="employerContributions" value="0">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Benefits & Allowances</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="cars" class="form-label">Cars (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="cars" name="cars" value="0">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="metlife" class="form-label">Metlife (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="metlife" name="metlife" value="0">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="ticketRestaurant" class="form-label">Ticket Restaurant (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="ticketRestaurant" name="ticketRestaurant" value="0">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="topusPerMonth" class="form-label">Bonus/Month (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="topusPerMonth" name="topusPerMonth" value="0">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Revenue Information</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="grossRevenue" class="form-label">Gross Revenue (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="grossRevenue" name="grossRevenue" value="0">
+                            </div>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                        <button type="submit" class="btn btn-primary">Save Resource</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/js/main.js?v=<?php echo time(); ?>"></script>
+
+    <!-- Edit Resource Modal -->
+    <div class="modal fade" id="editResourceModal" tabindex="-1" aria-labelledby="editResourceModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered modal-lg">
+            <div class="modal-content">
+                <form action="roster.php" method="POST">
+                    <input type="hidden" name="action" value="update_roster">
+                    <input type="hidden" name="id" id="edit-id">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="editResourceModalLabel">Edit Resource</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <h5 class="mb-3">Employee Information</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-sapCode" class="form-label">SAP Code</label>
+                                <input type="text" class="form-control" id="edit-sapCode" name="sapCode" required>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-fullNameEn" class="form-label">Full Name</label>
+                                <input type="text" class="form-control" id="edit-fullNameEn" name="fullNameEn" required>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-level" class="form-label">Level</label>
+                                <select class="form-select" id="edit-level" name="level">
+                                    <option value="">Select Level</option>
+                                    <option value="BUSINESS ANALYST">BUSINESS ANALYST</option>
+                                    <option value="CONSULTANT">CONSULTANT</option>
+                                    <option value="SENIOR CONSULTANT">SENIOR CONSULTANT</option>
+                                    <option value="ASSISTANT MANAGER">ASSISTANT MANAGER</option>
+                                    <option value="MANAGER">MANAGER</option>
+                                    <option value="SENIOR MANAGER">SENIOR MANAGER</option>
+                                    <option value="Intern">Intern</option>
+                                </select>
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-legalEntity" class="form-label">Legal Entity</label>
+                                <input type="text" class="form-control" id="edit-legalEntity" name="legalEntity">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-functionBusinessUnit" class="form-label">Function Business Unit</label>
+                                <input type="text" class="form-control" id="edit-functionBusinessUnit" name="functionBusinessUnit">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-costCenterCode" class="form-label">Cost Center Code</label>
+                                <input type="text" class="form-control" id="edit-costCenterCode" name="costCenterCode">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Compensation Details</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-newAmendedSalary" class="form-label">Salary (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-newAmendedSalary" name="newAmendedSalary">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-employerContributions" class="form-label">Employer Contributions (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-employerContributions" name="employerContributions">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Benefits & Allowances</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-cars" class="form-label">Cars (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-cars" name="cars">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-metlife" class="form-label">Metlife (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-metlife" name="metlife">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-ticketRestaurant" class="form-label">Ticket Restaurant (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-ticketRestaurant" name="ticketRestaurant">
+                            </div>
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-topusPerMonth" class="form-label">Bonus/Month (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-topusPerMonth" name="topusPerMonth">
+                            </div>
+                        </div>
+
+                        <h5 class="my-3">Revenue Information</h5>
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="edit-grossRevenue" class="form-label">Gross Revenue (&euro;)</label>
+                                <input type="number" step="0.01" class="form-control" id="edit-grossRevenue" name="grossRevenue">
+                            </div>
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                        <button type="submit" class="btn btn-primary">Save Changes</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <!-- View Resource Modal -->
+    <div class="modal fade" id="viewResourceModal" tabindex="-1" aria-labelledby="viewResourceModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered modal-lg">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="viewResourceModalLabel">View Resource</h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <h5 class="mb-3">Employee Information</h5>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">SAP Code</label>
+                            <input type="text" class="form-control" id="view-sapCode" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Full Name</label>
+                            <input type="text" class="form-control" id="view-fullNameEn" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Level</label>
+                            <input type="text" class="form-control" id="view-level" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Legal Entity</label>
+                            <input type="text" class="form-control" id="view-legalEntity" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Function Business Unit</label>
+                            <input type="text" class="form-control" id="view-functionBusinessUnit" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Cost Center Code</label>
+                            <input type="text" class="form-control" id="view-costCenterCode" readonly>
+                        </div>
+                    </div>
+
+                    <h5 class="my-3">Compensation Details</h5>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Salary (&euro;)</label>
+                            <input type="text" class="form-control" id="view-newAmendedSalary" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Employer Contributions (&euro;)</label>
+                            <input type="text" class="form-control" id="view-employerContributions" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Total Salary Cost With Labor (&euro;)</label>
+                            <input type="text" class="form-control" id="view-totalSalaryCostWithLabor" readonly>
+                        </div>
+                    </div>
+
+                    <h5 class="my-3">Benefits & Allowances</h5>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Cars (&euro;)</label>
+                            <input type="text" class="form-control" id="view-cars" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Metlife (&euro;)</label>
+                            <input type="text" class="form-control" id="view-metlife" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Ticket Restaurant (&euro;)</label>
+                            <input type="text" class="form-control" id="view-ticketRestaurant" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Bonus/Month (&euro;)</label>
+                            <input type="text" class="form-control" id="view-topusPerMonth" readonly>
+                        </div>
+                    </div>
+
+                    <h5 class="my-3">Cost Analysis</h5>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Daily Cost (&euro;)</label>
+                            <input type="text" class="form-control" id="view-dailyCost" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Total Monthly Cost (&euro;)</label>
+                            <input type="text" class="form-control" id="view-totalMonthlyCost" readonly>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Total Annual Cost (&euro;)</label>
+                            <input type="text" class="form-control" id="view-totalAnnualCost" readonly>
+                        </div>
+                    </div>
+
+                    <h5 class="my-3">Revenue Information</h5>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label">Gross Revenue (&euro;)</label>
+                            <input type="text" class="form-control" id="view-grossRevenue" readonly>
+                        </div>
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!-- Import Modal -->
+    <div class="modal fade" id="importModal" tabindex="-1" aria-labelledby="importModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-dialog-centered">
+            <div class="modal-content">
+                <form action="import.php" method="POST" enctype="multipart/form-data">
+                    <div class="modal-header">
+                        <h5 class="modal-title" id="importModalLabel">Import Excel</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="mb-3">
+                            <label for="importFile" class="form-label">Select .csv or .xlsx file</label>
+                            <input class="form-control" type="file" id="importFile" name="importFile" accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel" required>
+                        </div>
+                        <div class="form-text">
+                            The file should have columns matching the roster table: sapCode, fullNameEn, legalEntity, etc.
+                        </div>
+                    </div>
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+                        <button type="submit" class="btn btn-primary">Upload and Import</button>
+                    </div>
+                </form>
+            </div>
+        </div>
+    </div>
+
+</body>
+</html>

roster_import_sample.csv

@@ -0,0 +1,3 @@
+"first_name","last_name","email","role","start_date","end_date","monthly_cost","currency","billable_rate","billable_currency"
+"John","Doe","john.doe@example.com","Software Engineer","2023-01-15",,"5000.00","USD","150.00","USD"
+"Jane","Smith","jane.smith@example.com","Project Manager","2022-11-01","2024-06-30","6000.00","USD","200.00","USD"

save_billing.php

@@ -0,0 +1,48 @@
+<?php
+header('Content-Type: application/json');
+require_once __DIR__ . '/db/config.php';
+
+$response = ['success' => false, 'error' => 'Invalid request'];
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $projectId = $_POST['projectId'] ?? null;
+    $billingDataJson = $_POST['billingData'] ?? null;
+
+    if ($projectId && $billingDataJson) {
+        $billingData = json_decode($billingDataJson, true);
+
+        if (is_array($billingData)) {
+            try {
+                $pdo = db();
+                $stmt = $pdo->prepare("UPDATE billingMonthly SET amount = :amount WHERE projectId = :projectId AND month = :month");
+
+                $pdo->beginTransaction();
+                foreach ($billingData as $item) {
+                    $stmt->execute([
+                        ':amount' => $item['amount'],
+                        ':projectId' => $projectId,
+                        ':month' => $item['month']
+                    ]);
+                }
+                $pdo->commit();
+
+                $response['success'] = true;
+                unset($response['error']);
+
+            } catch (PDOException $e) {
+                if ($pdo->inTransaction()) {
+                    $pdo->rollBack();
+                }
+                $response['error'] = 'Database error: ' . $e->getMessage();
+            } catch (Exception $e) {
+                $response['error'] = 'An unexpected error occurred: ' . $e->getMessage();
+            }
+        } else {
+            $response['error'] = 'Invalid billing data format.';
+        }
+    } else {
+        $response['error'] = 'Missing required fields.';
+    }
+}
+
+echo json_encode($response);

save_expenses.php

@@ -0,0 +1,36 @@
+<?php
+header('Content-Type: application/json');
+require_once __DIR__ . '/db/config.php';
+
+$response = ['success' => false, 'error' => 'Invalid request'];
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $projectId = $_POST['projectId'] ?? null;
+    $month = $_POST['month'] ?? null;
+    $amount = $_POST['amount'] ?? null;
+
+    if ($projectId && $month && $amount !== null) {
+        try {
+            $pdo = db();
+            $stmt = $pdo->prepare("UPDATE expensesMonthly SET amount = :amount WHERE projectId = :projectId AND month = :month");
+            $stmt->execute([
+                ':amount' => $amount,
+                ':projectId' => $projectId,
+                ':month' => $month
+            ]);
+
+            if ($stmt->rowCount() > 0) {
+                $response['success'] = true;
+                unset($response['error']);
+            } else {
+                $response['error'] = 'No record found to update.';
+            }
+        } catch (PDOException $e) {
+            $response['error'] = 'Database error: ' . $e->getMessage();
+        }
+    } else {
+        $response['error'] = 'Missing required fields.';
+    }
+}
+
+echo json_encode($response);

save_override.php

@@ -0,0 +1,140 @@
+<?php
+ini_set('display_errors', 0);
+error_reporting(0);
+
+require_once 'db/config.php';
+
+// Function to send a consistent JSON response, aggressively cleaning any output.
+function send_json_response($data) {
+    // Ensure no stray output is included.
+    if (ob_get_level() > 0) {
+        ob_end_clean();
+    }
+    header('Content-Type: application/json');
+    echo json_encode($data);
+    exit(); // Terminate immediately
+}
+
+// Set a global exception handler to catch any uncaught errors
+set_exception_handler(function($exception) {
+    error_log($exception->getMessage());
+    send_json_response(['success' => false, 'message' => 'A server error occurred: ' . $exception->getMessage()]);
+});
+
+$response_data = [
+    'success' => false,
+    'message' => 'An unknown error occurred.',
+    // Initialize all fields JS expects to avoid 'undefined' issues
+    'wip' => 0,
+    'openingBalance' => 0,
+    'billings' => 0,
+    'expenses' => 0,
+    'cost' => 0,
+    'nsr' => 0,
+    'margin' => 0,
+];
+
+ob_clean(); // Clear any pre-existing output
+try {
+    $data = $_POST;
+
+    $projectId = $data['projectId'] ?? null;
+    $month = $data['month'] ?? null;
+
+    if (!$projectId || !$month) {
+        send_json_response(['success' => false, 'message' => 'Missing project ID or month.']);
+    }
+
+    $pdo = db();
+
+    $metrics_from_form = [
+        'wip' => $data['wip'] ?? 0,
+        'opening_balance' => $data['openingBalance'] ?? 0,
+        'billing' => $data['billings'] ?? 0,
+        'expenses' => $data['expenses'] ?? 0,
+        'cost' => $data['cost'] ?? 0,
+    ];
+
+    $pdo->beginTransaction();
+
+    // Check if records exist, if not, INSERT them. Otherwise, UPDATE.
+    $select_sql = "SELECT COUNT(*) FROM projectFinanceMonthly WHERE projectId = :projectId AND month = :month AND metricName = :metricName";
+    $select_stmt = $pdo->prepare($select_sql);
+
+    $update_sql = "UPDATE projectFinanceMonthly SET value = :value, is_overridden = 1 WHERE projectId = :projectId AND month = :month AND metricName = :metricName";
+    $update_stmt = $pdo->prepare($update_sql);
+
+    $insert_sql = "INSERT INTO projectFinanceMonthly (projectId, month, metricName, value, is_overridden) VALUES (:projectId, :month, :metricName, :value, 1)";
+    $insert_stmt = $pdo->prepare($insert_sql);
+
+    foreach ($metrics_from_form as $metricName => $value) {
+        $select_stmt->execute([
+            'projectId' => $projectId,
+            'month' => $month,
+            'metricName' => $metricName
+        ]);
+        $exists = $select_stmt->fetchColumn() > 0;
+
+        if ($exists) {
+            $update_stmt->execute([
+                'value' => $value,
+                'projectId' => $projectId,
+                'month' => $month,
+                'metricName' => $metricName,
+            ]);
+        } else {
+            $insert_stmt->execute([
+                'projectId' => $projectId,
+                'month' => $month,
+                'metricName' => $metricName,
+                'value' => $value,
+            ]);
+        }
+    }
+
+    $pdo->commit();
+
+    // Recalculate NSR and Margin
+    $billing = floatval($metrics_from_form['billing']);
+    $expenses = floatval($metrics_from_form['expenses']);
+    $cost = floatval($metrics_from_form['cost']);
+    $wip = floatval($metrics_from_form['wip']);
+    $opening_balance = floatval($metrics_from_form['opening_balance']);
+
+    $nsr = $wip + $billing - $opening_balance - $expenses;
+    $margin = ($nsr > 0) ? (($nsr - $cost) / $nsr) : 0;
+
+
+    // Fetch the updated data to send back
+    $stmt = $pdo->prepare("SELECT metricName, value FROM projectFinanceMonthly WHERE projectId = ? AND month = ?");
+    $stmt->execute([$projectId, $month]);
+    $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $response_data['success'] = true;
+    $response_data['message'] = 'Override saved successfully.';
+
+    foreach ($rows as $row) {
+        // Map db snake_case to form's camelCase
+        if ($row['metricName'] === 'opening_balance') {
+            $response_data['openingBalance'] = $row['value'];
+        } else if ($row['metricName'] === 'billing') {
+            $response_data['billings'] = $row['value'];
+        } else {
+            // Directly map other metrics like 'wip', 'expenses'
+            $response_data[$row['metricName']] = $row['value'];
+        }
+    }
+
+    $response_data['nsr'] = $nsr;
+    $response_data['margin'] = $margin;
+
+    send_json_response($response_data);
+
+} catch (Exception $e) {
+    if (isset($pdo) && $pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    // Log the error and send a JSON response directly
+    error_log($e->getMessage());
+    send_json_response(['success' => false, 'message' => 'A server error occurred: ' . $e->getMessage()]);
+}