From 56f2aad3d0027968e46e37cf087d3e5ca529ac8e Mon Sep 17 00:00:00 2001
From: Flatlogic Bot <support@flatlogic.com>
Date: Sat, 14 Mar 2026 13:13:28 +0000
Subject: [PATCH] update dashboard

---
 admin_cities.php                            |  10 +-
 admin_company_profile.php                   |   6 +-
 admin_countries.php                         |  10 +-
 admin_dashboard.php                         | 195 ++++++++++++++++----
 admin_faqs.php                              |  10 +-
 admin_integrations.php                      |   8 +-
 admin_landing_pages.php                     |   4 +-
 admin_manage_locations.php                  |   2 +-
 admin_notification_templates.php            |   6 +-
 admin_platform_users.php                    |   8 +-
 admin_reports_shippers.php                  |   2 +-
 admin_reports_summary.php                   |  35 +++-
 admin_reports_truck_owners.php              |   2 +-
 admin_shipment_edit.php                     |   6 +-
 admin_shipments.php                         |   4 +-
 admin_shipper_edit.php                      |   6 +-
 admin_shippers.php                          |   4 +-
 admin_truck_owner_edit.php                  |   6 +-
 admin_truck_owners.php                      |   4 +-
 db/migrations/add_pod_file_to_shipments.php |  12 ++
 includes/app.php                            |  48 +++++
 login.php                                   |   6 +-
 profile.php                                 |   4 +-
 register.php                                |   4 +-
 shipment_detail.php                         | 105 ++++++++++-
 shipper_dashboard.php                       |   4 +-
 truck_owner_dashboard.php                   |   2 +-
 27 files changed, 410 insertions(+), 103 deletions(-)
 create mode 100644 db/migrations/add_pod_file_to_shipments.php

diff --git a/admin_cities.php b/admin_cities.php
index fcf41d1..26bb5e9 100644
--- a/admin_cities.php
+++ b/admin_cities.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -26,7 +26,7 @@ CREATE TABLE IF NOT EXISTS cities (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 ");
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     if (isset($_POST['add_city'])) {
         $countryId = (int)($_POST['country_id'] ?? 0);
         $cityNameEn = trim($_POST['city_name_en'] ?? '');
@@ -129,7 +129,7 @@ render_header('Manage Cities', 'admin', true);
 
         <div class="panel p-4">
             <h2 class="h5 mb-3">Add city</h2>
-            <form method="post" class="row g-3">
+            <form method="post" class="row g-3"> <?= csrf_field() ?>
                 <div class="col-md-4">
                     <label class="form-label" for="country_id">Country</label>
                     <select id="country_id" name="country_id" class="form-select" required>
@@ -158,7 +158,7 @@ render_header('Manage Cities', 'admin', true);
             <h2 class="h5 mb-2">Cities list</h2>
 
             <?php if ($editingCity): ?>
-                <form method="post" class="row g-2 align-items-end mb-3">
+                <form method="post" class="row g-2 align-items-end mb-3"> <?= csrf_field() ?>
                     <input type="hidden" name="city_id" value="<?= e((string)$editingCity['id']) ?>">
                     <div class="col-md-3">
                         <label class="form-label mb-1">Country</label>
@@ -210,7 +210,7 @@ render_header('Manage Cities', 'admin', true);
                                         <a class="btn btn-sm p-1 border-0 bg-transparent text-primary" href="<?= e(url_with_lang('admin_cities.php', ['edit_city' => (int)$city['id']])) ?>">
                                             <i class="bi bi-pencil"></i>
                                         </a>
-                                        <form method="post" class="d-inline m-0 p-0" onsubmit="return confirm('Delete this city?');">
+                                        <form method="post" class="d-inline m-0 p-0" onsubmit="return confirm('Delete this city?');"> <?= csrf_field() ?>
                                             <input type="hidden" name="city_id" value="<?= e((string)$city['id']) ?>">
                                             <button type="submit" name="delete_city" class="btn btn-sm p-1 border-0 bg-transparent text-danger">
                                                 <i class="bi bi-trash"></i>
diff --git a/admin_company_profile.php b/admin_company_profile.php
index 60972c9..2c0691f 100644
--- a/admin_company_profile.php
+++ b/admin_company_profile.php
@@ -1,14 +1,14 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 ensure_schema();
 
 $errors = [];
 $success = '';
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $companyName = trim($_POST['company_name'] ?? '');
     $companyEmail = trim($_POST['company_email'] ?? '');
     $companyPhone = trim($_POST['company_phone'] ?? '');
@@ -111,7 +111,7 @@ render_header('Company Profile', 'admin', true);
         <?php endif; ?>
 
         <div class="panel p-4">
-            <form method="post" enctype="multipart/form-data">
+            <form method="post" enctype="multipart/form-data"> <?= csrf_field() ?>
                 <ul class="nav nav-tabs mb-4" id="companySettingsTab" role="tablist">
                     <li class="nav-item" role="presentation">
                         <button class="nav-link active" id="company-tab" data-bs-toggle="tab" data-bs-target="#company" type="button" role="tab" aria-controls="company" aria-selected="true">
diff --git a/admin_countries.php b/admin_countries.php
index ccb90d4..71fbcc0 100644
--- a/admin_countries.php
+++ b/admin_countries.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -26,7 +26,7 @@ CREATE TABLE IF NOT EXISTS cities (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 ");
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     if (isset($_POST['add_country'])) {
         $countryNameEn = trim($_POST['country_name_en'] ?? '');
         $countryNameAr = trim($_POST['country_name_ar'] ?? '');
@@ -107,7 +107,7 @@ render_header('Manage Countries', 'admin', true);
 
         <div class="panel p-4">
             <h2 class="h5 mb-3">Add country</h2>
-            <form method="post" class="row g-3">
+            <form method="post" class="row g-3"> <?= csrf_field() ?>
                 <div class="col-md-6">
                     <label class="form-label" for="country_name_en">Country name (EN)</label>
                     <input id="country_name_en" type="text" name="country_name_en" class="form-control" required>
@@ -127,7 +127,7 @@ render_header('Manage Countries', 'admin', true);
             <h2 class="h5 mb-2">Countries list</h2>
 
             <?php if ($editingCountry): ?>
-                <form method="post" class="row g-2 align-items-end mb-3">
+                <form method="post" class="row g-2 align-items-end mb-3"> <?= csrf_field() ?>
                     <input type="hidden" name="country_id" value="<?= e((string)$editingCountry['id']) ?>">
                     <div class="col-md-4">
                         <label class="form-label mb-1">Country (EN)</label>
@@ -167,7 +167,7 @@ render_header('Manage Countries', 'admin', true);
                                         <a class="btn btn-sm p-1 border-0 bg-transparent text-primary" href="<?= e(url_with_lang('admin_countries.php', ['edit_country' => (int)$country['id']])) ?>">
                                             <i class="bi bi-pencil"></i>
                                         </a>
-                                        <form method="post" class="d-inline m-0 p-0" onsubmit="return confirm('Delete this country and its cities?');">
+                                        <form method="post" class="d-inline m-0 p-0" onsubmit="return confirm('Delete this country and its cities?');"> <?= csrf_field() ?>
                                             <input type="hidden" name="country_id" value="<?= e((string)$country['id']) ?>">
                                             <button type="submit" name="delete_country" class="btn btn-sm p-1 border-0 bg-transparent text-danger">
                                                 <i class="bi bi-trash"></i>
diff --git a/admin_dashboard.php b/admin_dashboard.php
index 6f2753a..73508ed 100644
--- a/admin_dashboard.php
+++ b/admin_dashboard.php
@@ -1,17 +1,15 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 ensure_schema();
 
 $errors = [];
 
-// Removed inline status update logic as per UI cleanup
-
 $shipments = [];
 try {
-    $stmt = db()->query("SELECT * FROM shipments ORDER BY created_at DESC LIMIT 30");
+    $stmt = db()->query("SELECT * FROM shipments ORDER BY created_at DESC LIMIT 10");
     $shipments = $stmt->fetchAll();
 } catch (Throwable $e) {
     $shipments = [];
@@ -22,14 +20,48 @@ $stats = [
     'active_shipments' => 0,
     'total_shippers' => 0,
     'total_truck_owners' => 0,
+    'total_revenue' => 0.0,
+];
+
+$chartData = [
+    'labels' => [],
+    'data' => []
 ];
 
 try {
-    $stats['total_shipments'] = (int)db()->query("SELECT COUNT(*) FROM shipments")->fetchColumn();
-    $stats['active_shipments'] = (int)db()->query("SELECT COUNT(*) FROM shipments WHERE status != 'delivered'")->fetchColumn();
-    $stats['total_shippers'] = (int)db()->query("SELECT COUNT(*) FROM users WHERE role = 'shipper'")->fetchColumn();
-    $stats['total_truck_owners'] = (int)db()->query("SELECT COUNT(*) FROM users WHERE role = 'truck_owner'")->fetchColumn();
-} catch (Throwable $e) {}
+    $pdo = db();
+    $stats['total_shipments'] = (int)$pdo->query("SELECT COUNT(*) FROM shipments")->fetchColumn();
+    $stats['active_shipments'] = (int)$pdo->query("SELECT COUNT(*) FROM shipments WHERE status != 'delivered'")->fetchColumn();
+    $stats['total_shippers'] = (int)$pdo->query("SELECT COUNT(*) FROM users WHERE role = 'shipper'")->fetchColumn();
+    $stats['total_truck_owners'] = (int)$pdo->query("SELECT COUNT(*) FROM users WHERE role = 'truck_owner'")->fetchColumn();
+    $stats['total_revenue'] = (float)$pdo->query("SELECT SUM(total_price) FROM shipments WHERE payment_status = 'paid'")->fetchColumn();
+
+    // Chart Data: Last 30 days
+    $stmt = $pdo->query("
+        SELECT DATE(created_at) as date, COUNT(*) as count 
+        FROM shipments 
+        WHERE created_at >= DATE_SUB(CURDATE(), INTERVAL 30 DAY) 
+        GROUP BY DATE(created_at) 
+        ORDER BY date ASC
+    ");
+    $dailyStats = $stmt->fetchAll(PDO::FETCH_KEY_PAIR);
+    
+    // Fill in missing days
+    $period = new DatePeriod(
+        new DateTime('-30 days'),
+        new DateInterval('P1D'),
+        new DateTime('+1 day')
+    );
+    
+    foreach ($period as $date) {
+        $d = $date->format('Y-m-d');
+        $chartData['labels'][] = $date->format('d M');
+        $chartData['data'][] = $dailyStats[$d] ?? 0;
+    }
+
+} catch (Throwable $e) {
+    // Silent fail for stats, defaults are 0
+}
 
 $flash = get_flash();
 
@@ -48,7 +80,7 @@ render_header(t('admin_dashboard'), 'admin', true);
         
         <!-- Stats Row -->
         <div class="row g-3 mb-4">
-            <div class="col-md-3">
+            <div class="col-md">
                 <div class="panel p-4 text-center h-100 shadow-sm border-0 rounded-4 position-relative overflow-hidden" style="background: linear-gradient(135deg, #ffffff, #f8f9fa);">
                     <div class="position-absolute opacity-10" style="inset-inline-end: 10px; top: 15px;"><i class="bi bi-box-seam" style="font-size: 3.5rem;"></i></div>
                     <div class="text-primary mb-2 position-relative"><i class="bi bi-box-seam fs-2"></i></div>
@@ -56,7 +88,7 @@ render_header(t('admin_dashboard'), 'admin', true);
                     <p class="text-muted small text-uppercase mb-0 fw-bold position-relative" style="letter-spacing: 0.5px;"><?= e(t('total_shipments')) ?></p>
                 </div>
             </div>
-            <div class="col-md-3">
+            <div class="col-md">
                 <div class="panel p-4 text-center h-100 shadow-sm border-0 rounded-4 position-relative overflow-hidden" style="background: linear-gradient(135deg, #ffffff, #f8f9fa);">
                     <div class="position-absolute opacity-10" style="inset-inline-end: 10px; top: 15px;"><i class="bi bi-truck" style="font-size: 3.5rem;"></i></div>
                     <div class="text-warning mb-2 position-relative"><i class="bi bi-truck fs-2"></i></div>
@@ -64,7 +96,7 @@ render_header(t('admin_dashboard'), 'admin', true);
                     <p class="text-muted small text-uppercase mb-0 fw-bold position-relative" style="letter-spacing: 0.5px;"><?= e(t('active_shipments')) ?></p>
                 </div>
             </div>
-            <div class="col-md-3">
+            <div class="col-md">
                 <div class="panel p-4 text-center h-100 shadow-sm border-0 rounded-4 position-relative overflow-hidden" style="background: linear-gradient(135deg, #ffffff, #f8f9fa);">
                     <div class="position-absolute opacity-10" style="inset-inline-end: 10px; top: 15px;"><i class="bi bi-people" style="font-size: 3.5rem;"></i></div>
                     <div class="text-success mb-2 position-relative"><i class="bi bi-people fs-2"></i></div>
@@ -72,7 +104,7 @@ render_header(t('admin_dashboard'), 'admin', true);
                     <p class="text-muted small text-uppercase mb-0 fw-bold position-relative" style="letter-spacing: 0.5px;"><?= e(t('total_shippers')) ?></p>
                 </div>
             </div>
-            <div class="col-md-3">
+            <div class="col-md">
                 <div class="panel p-4 text-center h-100 shadow-sm border-0 rounded-4 position-relative overflow-hidden" style="background: linear-gradient(135deg, #ffffff, #f8f9fa);">
                     <div class="position-absolute opacity-10" style="inset-inline-end: 10px; top: 15px;"><i class="bi bi-person-vcard" style="font-size: 3.5rem;"></i></div>
                     <div class="text-info mb-2 position-relative"><i class="bi bi-person-vcard fs-2"></i></div>
@@ -80,22 +112,40 @@ render_header(t('admin_dashboard'), 'admin', true);
                     <p class="text-muted small text-uppercase mb-0 fw-bold position-relative" style="letter-spacing: 0.5px;"><?= e(t('total_truck_owners')) ?></p>
                 </div>
             </div>
+            <div class="col-md">
+                <div class="panel p-4 text-center h-100 shadow-sm border-0 rounded-4 position-relative overflow-hidden" style="background: linear-gradient(135deg, #ffffff, #f8f9fa);">
+                    <div class="position-absolute opacity-10" style="inset-inline-end: 10px; top: 15px;"><i class="bi bi-currency-dollar" style="font-size: 3.5rem;"></i></div>
+                    <div class="text-success mb-2 position-relative"><i class="bi bi-currency-dollar fs-2"></i></div>
+                    <h3 class="h2 mb-0 fw-bold position-relative"><?= format_currency($stats['total_revenue']) ?></h3>
+                    <p class="text-muted small text-uppercase mb-0 fw-bold position-relative" style="letter-spacing: 0.5px;"><?= e(t('total_revenue')) ?></p>
+                </div>
+            </div>
         </div>
-        
-        <div class="row g-0">
-            <!-- Main Content: Shipments -->
+
+        <div class="row g-4">
+            <!-- Main Content: Shipments Chart -->
             <div class="col-lg-8">
-                <div class="panel shadow-sm border-0 h-100 rounded-4 d-flex flex-column">
+                <!-- Chart Section -->
+                <div class="panel shadow-sm border-0 rounded-4 mb-4">
+                    <div class="panel-heading">
+                        <h2 class="h5 mb-0 fw-bold text-white"><i class="bi bi-graph-up text-white-50 me-2"></i><?= e(t('shipments_analytics')) ?></h2>
+                    </div>
+                    <div class="p-4">
+                        <canvas id="shipmentsChart" style="max-height: 300px;"></canvas>
+                    </div>
+                </div>
+
+                <div class="panel shadow-sm border-0 rounded-4 d-flex flex-column">
                     <div class="panel-heading d-flex justify-content-between align-items-center">
                         <h2 class="h5 mb-0 fw-bold text-white"><i class="bi bi-clock-history text-white-50 me-2"></i><?= e(t('recent_shipments')) ?></h2>
-                        <span class="badge bg-white text-dark"><?= e(count($shipments)) ?> <?= e(t('shown')) ?></span>
+                        <a href="<?= e(url_with_lang('admin_shipments.php')) ?>" class="btn btn-sm btn-light text-primary"><?= e(t('view_all')) ?></a>
                     </div>
-                    <div class="p-4 flex-grow-1 d-flex flex-column">
+                    <div class="p-0 flex-grow-1 d-flex flex-column">
                         <?php if ($flash): ?>
-                            <div class="alert alert-success" data-auto-dismiss="true"><?= e($flash['message']) ?></div>
+                            <div class="alert alert-success m-3" data-auto-dismiss="true"><?= e($flash['message']) ?></div>
                         <?php endif; ?>
                         <?php if ($errors): ?>
-                            <div class="alert alert-warning"><?= e(implode(' ', $errors)) ?></div>
+                            <div class="alert alert-warning m-3"><?= e(implode(' ', $errors)) ?></div>
                         <?php endif; ?>
                         <?php if (!$shipments): ?>
                             <div class="text-center p-5 text-muted flex-grow-1 d-flex flex-column justify-content-center">
@@ -104,32 +154,32 @@ render_header(t('admin_dashboard'), 'admin', true);
                             </div>
                         <?php else: ?>
                             <div class="table-responsive flex-grow-1">
-                                <table class="table align-middle mb-0">
-                                    <thead>
+                                <table class="table align-middle mb-0 table-hover">
+                                    <thead class="bg-light">
                                         <tr>
-                                            <th class="text-uppercase small text-muted border-top-0"><?= e(t('shipment')) ?></th>
+                                            <th class="ps-4 text-uppercase small text-muted border-top-0"><?= e(t('shipment')) ?></th>
                                             <th class="text-uppercase small text-muted border-top-0"><?= e(t('route')) ?></th>
                                             <th class="text-uppercase small text-muted border-top-0"><?= e(t('status')) ?></th>
-                                            <th class="text-uppercase small text-muted border-top-0 text-end"><?= e(t('action')) ?></th>
+                                            <th class="pe-4 text-uppercase small text-muted border-top-0 text-end"><?= e(t('action')) ?></th>
                                         </tr>
                                     </thead>
                                     <tbody>
                                         <?php foreach ($shipments as $row): ?>
                                             <tr>
-                                                <td>
-                                                    <div class="fw-bold"><?= e($row['shipper_company']) ?></div>
+                                                <td class="ps-4">
+                                                    <div class="fw-bold text-dark"><?= e($row['shipper_company']) ?></div>
                                                     <small class="text-muted"><?= e($row['payment_method'] === 'bank_transfer' ? t('payment_bank') : t('payment_thawani')) ?></small>
                                                 </td>
                                                 <td>
                                                     <div class="d-flex align-items-center gap-2">
-                                                        <span class="fw-medium"><?= e($row['origin_city']) ?></span>
+                                                        <span class="fw-medium text-dark"><?= e($row['origin_city']) ?></span>
                                                         <i class="bi bi-arrow-right text-muted small"></i>
-                                                        <span class="fw-medium"><?= e($row['destination_city']) ?></span>
+                                                        <span class="fw-medium text-dark"><?= e($row['destination_city']) ?></span>
                                                     </div>
                                                 </td>
                                                 <td><span class="badge <?= e($row['status']) ?> rounded-pill px-3 py-2"><?= e(status_label($row['status'])) ?></span></td>
-                                                <td class="text-end">
-                                                    <a href="<?= e(url_with_lang('shipment_detail.php', ['id' => $row['id']])) ?>" class="btn btn-sm p-1 border-0 bg-transparent text-primary" title="<?= e(t('view_details')) ?>">
+                                                <td class="text-end pe-4">
+                                                    <a href="<?= e(url_with_lang('shipment_detail.php', ['id' => $row['id']])) ?>" class="btn btn-sm btn-light text-primary" title="<?= e(t('view_details')) ?>">
                                                         <i class="bi bi-eye"></i>
                                                     </a>
                                                 </td>
@@ -183,11 +233,11 @@ render_header(t('admin_dashboard'), 'admin', true);
                                 </div>
                                 <i class="bi bi-chevron-right ms-auto text-muted small"></i>
                             </a>
-                            <a href="<?= e(url_with_lang('admin_landing_pages.php')) ?>" class="list-group-item list-group-item-action bg-transparent d-flex align-items-center py-3 px-0">
-                                <div class="bg-white rounded p-3 shadow-sm me-3 text-info d-flex align-items-center justify-content-center" style="width: 48px; height: 48px;"><i class="bi bi-layout-text-window-reverse fs-5"></i></div>
+                            <a href="<?= e(url_with_lang('admin_reports_summary.php')) ?>" class="list-group-item list-group-item-action bg-transparent d-flex align-items-center py-3 px-0">
+                                <div class="bg-white rounded p-3 shadow-sm me-3 text-warning d-flex align-items-center justify-content-center" style="width: 48px; height: 48px;"><i class="bi bi-bar-chart fs-5"></i></div>
                                 <div>
-                                    <h6 class="mb-1 fw-bold"><?= e(t('landing_pages')) ?></h6>
-                                    <small class="text-muted d-block line-height-sm"><?= e(t('edit_homepage')) ?></small>
+                                    <h6 class="mb-1 fw-bold"><?= e(t('summary_report')) ?></h6>
+                                    <small class="text-muted d-block line-height-sm"><?= e(t('view_analytics')) ?></small>
                                 </div>
                                 <i class="bi bi-chevron-right ms-auto text-muted small"></i>
                             </a>
@@ -199,4 +249,79 @@ render_header(t('admin_dashboard'), 'admin', true);
     </div>
 </div>
 
+<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    const ctx = document.getElementById('shipmentsChart').getContext('2d');
+    const chart = new Chart(ctx, {
+        type: 'line',
+        data: {
+            labels: <?= json_encode($chartData['labels']) ?>,
+            datasets: [{
+                label: '<?= t('shipments') ?>',
+                data: <?= json_encode($chartData['data']) ?>,
+                borderColor: '#0d6efd',
+                backgroundColor: 'rgba(13, 110, 253, 0.1)',
+                borderWidth: 2,
+                tension: 0.4,
+                fill: true,
+                pointBackgroundColor: '#ffffff',
+                pointBorderColor: '#0d6efd',
+                pointRadius: 4,
+                pointHoverRadius: 6
+            }]
+        },
+        options: {
+            responsive: true,
+            maintainAspectRatio: false,
+            plugins: {
+                legend: {
+                    display: false
+                },
+                tooltip: {
+                    backgroundColor: '#fff',
+                    titleColor: '#000',
+                    bodyColor: '#666',
+                    borderColor: '#eee',
+                    borderWidth: 1,
+                    padding: 10,
+                    displayColors: false,
+                    callbacks: {
+                        label: function(context) {
+                            return context.parsed.y + ' Shipments';
+                        }
+                    }
+                }
+            },
+            scales: {
+                y: {
+                    beginAtZero: true,
+                    grid: {
+                        color: '#f0f0f0',
+                        drawBorder: false
+                    },
+                    ticks: {
+                        stepSize: 1,
+                        font: {
+                            size: 11
+                        }
+                    }
+                },
+                x: {
+                    grid: {
+                        display: false
+                    },
+                    ticks: {
+                        font: {
+                            size: 11
+                        },
+                        maxTicksLimit: 10
+                    }
+                }
+            }
+        }
+    });
+});
+</script>
+
 <?php render_footer(); ?>
\ No newline at end of file
diff --git a/admin_faqs.php b/admin_faqs.php
index 5f73ce7..de9800d 100644
--- a/admin_faqs.php
+++ b/admin_faqs.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -20,7 +20,7 @@ CREATE TABLE IF NOT EXISTS faqs (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 ");
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     if (isset($_POST['add_faq'])) {
         $questionEn = trim($_POST['question_en'] ?? '');
         $answerEn = trim($_POST['answer_en'] ?? '');
@@ -133,7 +133,7 @@ render_header('Manage FAQs', 'admin', true);
                     <h5 class="mb-0">Edit FAQ</h5>
                 </div>
                 <div class="card-body">
-                    <form method="post" class="row g-3">
+                    <form method="post" class="row g-3"> <?= csrf_field() ?>
                         <input type="hidden" name="faq_id" value="<?= e((string)$editingFaq['id']) ?>">
                         
                         <div class="col-md-6">
@@ -172,7 +172,7 @@ render_header('Manage FAQs', 'admin', true);
                     <h5 class="mb-0">Add New FAQ</h5>
                 </div>
                 <div class="card-body">
-                    <form method="post" class="row g-3">
+                    <form method="post" class="row g-3"> <?= csrf_field() ?>
                         <div class="col-md-6">
                             <label class="form-label" for="question_en">Question (EN) <span class="text-danger">*</span></label>
                             <input id="question_en" type="text" name="question_en" class="form-control" required>
@@ -235,7 +235,7 @@ render_header('Manage FAQs', 'admin', true);
                                             <a class="btn btn-sm btn-light border me-1" href="<?= e(url_with_lang('admin_faqs.php', ['edit_faq' => (int)$faq['id']])) ?>" title="Edit">
                                                 <i class="bi bi-pencil"></i>
                                             </a>
-                                            <form method="post" class="d-inline" onsubmit="return confirm('Are you sure you want to delete this FAQ?');">
+                                            <form method="post" class="d-inline" onsubmit="return confirm('Are you sure you want to delete this FAQ?');"> <?= csrf_field() ?>
                                                 <input type="hidden" name="faq_id" value="<?= e((string)$faq['id']) ?>">
                                                 <button type="submit" name="delete_faq" class="btn btn-sm btn-light border text-danger" title="Delete">
                                                     <i class="bi bi-trash"></i>
diff --git a/admin_integrations.php b/admin_integrations.php
index 31b554a..1364a3f 100644
--- a/admin_integrations.php
+++ b/admin_integrations.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 require_once __DIR__ . '/includes/NotificationService.php';
 
 ensure_schema();
@@ -11,7 +11,7 @@ $success = '';
 $testSuccess = '';
 $testError = '';
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     if (isset($_POST['action']) && $_POST['action'] === 'test_whatsapp') {
         $testPhone = trim($_POST['test_phone'] ?? '');
         $testMessage = trim($_POST['test_message'] ?? '');
@@ -106,7 +106,7 @@ render_header('Integrations', 'admin', true);
             <div class="alert alert-danger"><?= e(implode('<br>', $errors)) ?></div>
         <?php endif; ?>
 
-        <form method="post" id="settingsForm">
+        <form method="post" id="settingsForm"> <?= csrf_field() ?>
             
             <ul class="nav nav-tabs mb-4" id="integrationsTab" role="tablist">
                 <li class="nav-item" role="presentation">
@@ -285,7 +285,7 @@ render_header('Integrations', 'admin', true);
         </form>
 
         <!-- Hidden Test Form -->
-        <form method="post" id="testForm" style="display:none;">
+        <form method="post" id="testForm" style="display:none;"> <?= csrf_field() ?>
             <input type="hidden" name="action" value="test_whatsapp">
         </form>
     </div>
diff --git a/admin_landing_pages.php b/admin_landing_pages.php
index fd746e4..fcdb5e3 100644
--- a/admin_landing_pages.php
+++ b/admin_landing_pages.php
@@ -2,7 +2,7 @@
 declare(strict_types=1);
 
 require_once __DIR__ . '/includes/app.php';
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 if (empty($_SESSION['user_id']) || $_SESSION['user_role'] !== 'admin') {
     header('Location: ' . url_with_lang('login.php'));
@@ -12,7 +12,7 @@ if (empty($_SESSION['user_id']) || $_SESSION['user_role'] !== 'admin') {
 $pdo = db();
 
 // Handle form submission
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $action = $_POST['action'] ?? '';
     
     if ($action === 'create' || $action === 'edit') {
diff --git a/admin_manage_locations.php b/admin_manage_locations.php
index e57f73e..ec9ee30 100644
--- a/admin_manage_locations.php
+++ b/admin_manage_locations.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/app.php';
+require_once __DIR__ . '/includes/app.php'; require_role('admin');
 
 header('Location: ' . url_with_lang('admin_countries.php'), true, 302);
 exit;
diff --git a/admin_notification_templates.php b/admin_notification_templates.php
index d154e3c..f5ea17b 100644
--- a/admin_notification_templates.php
+++ b/admin_notification_templates.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 ensure_schema();
 
@@ -47,7 +47,7 @@ if ($action === 'edit' && $id > 0) {
         exit;
     }
 
-    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
         $email_subject_en = trim($_POST['email_subject_en'] ?? '');
         $email_body_en = trim($_POST['email_body_en'] ?? '');
         $email_subject_ar = trim($_POST['email_subject_ar'] ?? '');
@@ -98,7 +98,7 @@ if ($action === 'edit' && $id > 0) {
 
                 <div class="card border-0 shadow-sm">
                     <div class="card-body">
-                        <form method="post">
+                        <form method="post"> <?= csrf_field() ?>
                             <div class="row g-4">
                                 <div class="col-md-6">
                                     <h5 class="mb-3 border-bottom pb-2">English</h5>
diff --git a/admin_platform_users.php b/admin_platform_users.php
index cbceb9d..eeb6cd9 100644
--- a/admin_platform_users.php
+++ b/admin_platform_users.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 // Ensure user is logged in and is an admin
 if (!isset($_SESSION['user_id']) || ($_SESSION['user_role'] ?? '') !== 'admin') {
@@ -23,7 +23,7 @@ $message = '';
 $error = '';
 
 // Handle Actions
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $action = $_POST['action'] ?? '';
     
     if ($action === 'create' || $action === 'edit') {
@@ -194,7 +194,7 @@ render_header(t('nav_platform_users'), 'platform_users', true);
                 <h5 class="modal-title fw-bold" id="modalTitle"><?= e(t('create_user')) ?></h5>
                 <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
             </div>
-            <form method="post" id="userForm">
+            <form method="post" id="userForm"> <?= csrf_field() ?>
                 <div class="modal-body p-4">
                     <input type="hidden" name="action" id="formAction" value="create">
                     <input type="hidden" name="id" id="userId">
@@ -239,7 +239,7 @@ render_header(t('nav_platform_users'), 'platform_users', true);
 </div>
 
 <!-- Delete Form -->
-<form method="post" id="deleteForm">
+<form method="post" id="deleteForm"> <?= csrf_field() ?>
     <input type="hidden" name="action" value="delete">
     <input type="hidden" name="id" id="deleteId">
 </form>
diff --git a/admin_reports_shippers.php b/admin_reports_shippers.php
index f5c0836..40460b8 100644
--- a/admin_reports_shippers.php
+++ b/admin_reports_shippers.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 // Check permission
 if (!has_permission('view_reports') && !has_permission('manage_shippers')) {
diff --git a/admin_reports_summary.php b/admin_reports_summary.php
index dc0cb39..753e1e6 100644
--- a/admin_reports_summary.php
+++ b/admin_reports_summary.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 // Helper to validate date
 function validate_date($date, $format = 'Y-m-d') {
@@ -13,6 +13,7 @@ function validate_date($date, $format = 'Y-m-d') {
 $reportType = $_GET['type'] ?? 'countries_origin'; // countries_origin, countries_dest, cities_origin, cities_dest, shippers
 $startDate = $_GET['start_date'] ?? date('Y-m-01'); // Default to first day of current month
 $endDate = $_GET['end_date'] ?? date('Y-m-t');   // Default to last day of current month
+$export = $_GET['export'] ?? null;
 
 if (!validate_date($startDate)) $startDate = date('Y-m-01');
 if (!validate_date($endDate)) $endDate = date('Y-m-t');
@@ -95,7 +96,7 @@ try {
     $error = "Database error: " . $e->getMessage();
 }
 
-// Calculate totals for footer
+// Calculate totals
 $totalShipments = 0;
 $grandTotalAmount = 0.0;
 $grandTotalProfit = 0.0;
@@ -106,6 +107,33 @@ foreach ($results as $row) {
     $grandTotalProfit += $row['total_profit'];
 }
 
+// Handle CSV Export
+if ($export === 'csv') {
+    header('Content-Type: text/csv');
+    header('Content-Disposition: attachment; filename="report_' . $reportType . '_' . date('Ymd') . '.csv"');
+    
+    $out = fopen('php://output', 'w');
+    
+    // Header
+    fputcsv($out, ['Name', 'Shipments', 'Total Amount', 'Profit']);
+    
+    // Rows
+    foreach ($results as $row) {
+        fputcsv($out, [
+            $row['name'],
+            $row['shipment_count'],
+            number_format((float)$row['total_amount'], 2, '.', ''),
+            number_format((float)$row['total_profit'], 2, '.', '')
+        ]);
+    }
+    
+    // Footer
+    fputcsv($out, ['Total', $totalShipments, number_format($grandTotalAmount, 2, '.', ''), number_format($grandTotalProfit, 2, '.', '')]);
+    
+    fclose($out);
+    exit;
+}
+
 render_header(t('summary_report'), 'reports_summary', true);
 ?>
 
@@ -162,6 +190,9 @@ render_header(t('summary_report'), 'reports_summary', true);
                 <p class="muted mb-0"><?= e(t('analyze_performance')) ?></p>
             </div>
             <div>
+                 <a href="?type=<?= e($reportType) ?>&start_date=<?= e($startDate) ?>&end_date=<?= e($endDate) ?>&export=csv" class="btn btn-outline-primary btn-sm me-2">
+                    <i class="bi bi-download me-2"></i><?= e(t('export_csv')) ?>
+                 </a>
                  <button class="btn btn-outline-secondary btn-sm" onclick="window.print()">
                     <i class="bi bi-printer me-2"></i><?= e(t('print')) ?>
                  </button>
diff --git a/admin_reports_truck_owners.php b/admin_reports_truck_owners.php
index 0e975f6..4aa992e 100644
--- a/admin_reports_truck_owners.php
+++ b/admin_reports_truck_owners.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 // Check permission
 if (!has_permission('view_reports') && !has_permission('manage_truck_owners')) {
diff --git a/admin_shipment_edit.php b/admin_shipment_edit.php
index 0b94fae..eff9e61 100644
--- a/admin_shipment_edit.php
+++ b/admin_shipment_edit.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $id = (int)($_GET['id'] ?? 0);
 $isAjax = isset($_GET['ajax']) && $_GET['ajax'] === '1';
@@ -63,7 +63,7 @@ if ($destination_country_id) {
 }
 
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $shipper_name = trim($_POST['shipper_name'] ?? '');
     $shipper_company = trim($_POST['shipper_company'] ?? '');
     // These are now selected from dropdowns, but the value is still the city name
@@ -172,7 +172,7 @@ if (!$isAjax):
             <div class="p-4">
 <?php endif; // End non-ajax wrapper ?>
 
-                <form method="post" action="admin_shipment_edit.php?id=<?= $id ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
+                <form method="post" action="admin_shipment_edit.php?id=<?= $id ?> <?= csrf_field() ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
                     <?php if ($isAjax): ?>
                     <div class="modal-header">
                         <h5 class="modal-title"><?= t('edit_shipment_title') ?><?= e((string)$shipment['id']) ?></h5>
diff --git a/admin_shipments.php b/admin_shipments.php
index 5b6d066..d23c3a2 100644
--- a/admin_shipments.php
+++ b/admin_shipments.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -174,7 +174,7 @@ render_header(t('manage_shipments'), 'admin', true);
                                                title="<?= t('edit_shipment_tooltip') ?>">
                                                 <i class="bi bi-pencil"></i>
                                             </a>
-                                            <form method="post" class="d-inline m-0 p-0">
+                                            <form method="post" class="d-inline m-0 p-0"> <?= csrf_field() ?>
                                                 <input type="hidden" name="shipment_id" value="<?= e((string)$shipment['id']) ?>">
                                                 <button type="submit" name="action" value="delete" class="btn btn-sm p-1 border-0 bg-transparent text-danger" onclick="return confirm('<?= t('confirm_delete_shipment') ?>');" title="<?= t('delete') ?>">
                                                     <i class="bi bi-trash"></i>
diff --git a/admin_shipper_edit.php b/admin_shipper_edit.php
index 70f074e..3e1406f 100644
--- a/admin_shipper_edit.php
+++ b/admin_shipper_edit.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $userId = (int)($_GET['id'] ?? 0);
 $isAjax = isset($_GET['ajax']) && $_GET['ajax'] === '1';
@@ -41,7 +41,7 @@ if (!$shipper) {
 $countries = db()->query("SELECT id, name_en, name_ar FROM countries ORDER BY name_en ASC")->fetchAll();
 $cities = db()->query("SELECT id, country_id, name_en, name_ar FROM cities ORDER BY name_en ASC")->fetchAll();
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $fullName = trim($_POST['full_name'] ?? '');
     $email = trim($_POST['email'] ?? '');
     $phone = trim($_POST['phone'] ?? '');
@@ -151,7 +151,7 @@ if (!$isAjax):
         <div class="panel p-4">
 <?php endif; // End non-ajax wrapper ?>
 
-            <form method="post" action="admin_shipper_edit.php?id=<?= $userId ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
+            <form method="post" action="admin_shipper_edit.php?id=<?= $userId ?> <?= csrf_field() ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
                 <?php if ($isAjax): ?>
                 <div class="modal-header">
                     <h5 class="modal-title">Edit Shipper: <?= e($shipper['full_name']) ?></h5>
diff --git a/admin_shippers.php b/admin_shippers.php
index cea59d8..072ecbd 100644
--- a/admin_shippers.php
+++ b/admin_shippers.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -174,7 +174,7 @@ render_header(t('manage_shippers'), 'admin', true);
                                                title="<?= e(t('edit_shipper')) ?>">
                                                 <i class="bi bi-pencil"></i>
                                             </a>
-                                            <form method="post" class="d-inline m-0 p-0">
+                                            <form method="post" class="d-inline m-0 p-0"> <?= csrf_field() ?>
                                                 <input type="hidden" name="user_id" value="<?= e((string)$shipper['id']) ?>">
                                                 <?php if ($shipper['status'] !== 'active'): ?>
                                                     <button type="submit" name="action" value="approve" class="btn btn-sm p-1 border-0 bg-transparent text-success" title="<?= e(t('approve')) ?>">
diff --git a/admin_truck_owner_edit.php b/admin_truck_owner_edit.php
index 7122dfe..f8da63e 100644
--- a/admin_truck_owner_edit.php
+++ b/admin_truck_owner_edit.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $userId = (int)($_GET['id'] ?? 0);
 $isAjax = isset($_GET['ajax']) && $_GET['ajax'] === '1';
@@ -43,7 +43,7 @@ if (!$owner) {
 $countries = db()->query("SELECT id, name_en, name_ar FROM countries ORDER BY name_en ASC")->fetchAll();
 $cities = db()->query("SELECT id, country_id, name_en, name_ar FROM cities ORDER BY name_en ASC")->fetchAll();
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $fullName = trim($_POST['full_name'] ?? '');
     $email = trim($_POST['email'] ?? '');
     $phone = trim($_POST['phone'] ?? '');
@@ -178,7 +178,7 @@ if (!$isAjax):
 <?php endif; // End non-ajax wrapper ?>
 
             <!-- The Form (Shared) -->
-            <form method="post" action="admin_truck_owner_edit.php?id=<?= $userId ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
+            <form method="post" action="admin_truck_owner_edit.php?id=<?= $userId ?> <?= csrf_field() ?><?= $isAjax ? '&ajax=1' : '' ?>" class="ajax-form">
                 <?php if ($isAjax): ?>
                 <div class="modal-header">
                     <h5 class="modal-title">Edit Truck Owner: <?= e($owner['full_name']) ?></h5>
diff --git a/admin_truck_owners.php b/admin_truck_owners.php
index 0538f88..00959ed 100644
--- a/admin_truck_owners.php
+++ b/admin_truck_owners.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('admin');
 
 $errors = [];
 $flash = null;
@@ -182,7 +182,7 @@ render_header(t('manage_truck_owners'), 'admin', true);
                                                title="<?= e(t('edit_owner')) ?>">
                                                 <i class="bi bi-pencil"></i>
                                             </a>
-                                            <form method="post" class="d-inline m-0 p-0">
+                                            <form method="post" class="d-inline m-0 p-0"> <?= csrf_field() ?>
                                                 <input type="hidden" name="user_id" value="<?= e((string)$owner['id']) ?>">
                                                 <?php if ($owner['status'] !== 'active'): ?>
                                                     <button type="submit" name="action" value="approve" class="btn btn-sm p-1 border-0 bg-transparent text-success" title="<?= e(t('approve')) ?>">
diff --git a/db/migrations/add_pod_file_to_shipments.php b/db/migrations/add_pod_file_to_shipments.php
new file mode 100644
index 0000000..bd68494
--- /dev/null
+++ b/db/migrations/add_pod_file_to_shipments.php
@@ -0,0 +1,12 @@
+<?php
+require_once __DIR__ . '/../config.php';
+
+try {
+    $pdo = db();
+    $pdo->exec("ALTER TABLE shipments ADD COLUMN pod_file VARCHAR(255) DEFAULT NULL;");
+    echo "Added pod_file column to shipments table.\n";
+} catch (PDOException $e) {
+    // Column might already exist
+    echo "Error (or column exists): " . $e->getMessage() . "\n";
+}
+
diff --git a/includes/app.php b/includes/app.php
index 624679c..b790f7d 100644
--- a/includes/app.php
+++ b/includes/app.php
@@ -295,6 +295,9 @@ $translations = [
   'create_account' => 'Create Account',
   'back_to_admin' => 'Back to Admin',
   'back_to_home' => 'Back to Home',
+  'total_revenue' => 'Total Revenue',
+  'shipments_analytics' => 'Shipments Analytics',
+  'export_csv' => 'Export CSV',
 ),
     "ar" => array (
   'app_name' => 'CargoLink',
@@ -578,6 +581,9 @@ $translations = [
   'create_account' => 'إنشاء حساب',
   'back_to_admin' => 'العودة للإدارة',
   'back_to_home' => 'العودة للرئيسية',
+  'total_revenue' => 'إجمالي الإيرادات',
+  'shipments_analytics' => 'تحليلات الشحنات',
+  'export_csv' => 'تصدير CSV',
 )
 ];
 
@@ -593,6 +599,7 @@ function e($value): string
 }
 
 function ensure_schema(): void
+    try { db()->exec("ALTER TABLE shipments ADD COLUMN pod_path VARCHAR(255) NULL AFTER offer_owner"); } catch (Exception $e) {}
 {
     db()->exec("\n        CREATE TABLE IF NOT EXISTS landing_sections (
             id INT AUTO_INCREMENT PRIMARY KEY,
@@ -792,6 +799,47 @@ function format_currency(float $amount): string
     return number_format($amount, 3) . ' OMR';
 }
 
+function require_login(): void
+{
+    if (!isset($_SESSION['user_id'])) {
+        header('Location: login.php');
+        exit;
+    }
+}
+
+function require_role(string $role): void
+{
+    require_login();
+    if ($_SESSION['role'] !== $role && $_SESSION['role'] !== 'admin') {
+         http_response_code(403);
+         die("Access Denied. You must be a " . ucfirst($role) . " to view this page.");
+    }
+}
+
+function generate_csrf_token(): string
+{
+    if (empty($_SESSION['csrf_token'])) {
+        $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
+    }
+    return $_SESSION['csrf_token'];
+}
+
+function csrf_field(): string
+{
+    $token = generate_csrf_token();
+    return '<input type="hidden" name="csrf_token" value="' . $token . '">';
+}
+
+function validate_csrf_token(): void
+{
+    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+        if (!isset($_POST['csrf_token']) || $_POST['csrf_token'] !== $_SESSION['csrf_token']) {
+            http_response_code(403);
+            die("CSRF validation failed. Please refresh the page and try again.");
+        }
+    }
+}
+
 // Set timezone from settings
 try {
     $tz = get_setting('timezone', 'UTC');
diff --git a/login.php b/login.php
index a6d7e6c..6e1d49b 100644
--- a/login.php
+++ b/login.php
@@ -14,7 +14,7 @@ if (isset($_SESSION['user_id'])) {
     exit;
 }
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     if (isset($_POST['action']) && $_POST['action'] === 'login') {
         $email = trim($_POST['email'] ?? '');
         $password = (string)($_POST['password'] ?? '');
@@ -117,7 +117,7 @@ render_header('Login / Reset Password', 'login', false, false);
                     <p class="text-muted"><?= e(t('login_subtitle')) ?></p>
                 </div>
 
-                <form method="post" action="">
+                <form method="post" action=""> <?= csrf_field() ?>
                     <input type="hidden" name="action" value="login">
                     
                     <div class="mb-3">
@@ -149,7 +149,7 @@ render_header('Login / Reset Password', 'login', false, false);
                     <p class="text-muted"><?= e(t('reset_password_subtitle')) ?></p>
                 </div>
 
-                <form method="post" action="">
+                <form method="post" action=""> <?= csrf_field() ?>
                     <input type="hidden" name="action" value="reset_password">
                     
                     <div class="mb-4">
diff --git a/profile.php b/profile.php
index 473e85a..260beb6 100644
--- a/profile.php
+++ b/profile.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_login();
 
 ensure_schema();
 
@@ -131,7 +131,7 @@ $flash = get_flash();
                 </div>
             <?php endif; ?>
 
-            <form method="post" enctype="multipart/form-data">
+            <form method="post" enctype="multipart/form-data"> <?= csrf_field() ?>
                 <input type="hidden" name="action" value="update_profile">
                 
                 <div class="text-center mb-4">
diff --git a/register.php b/register.php
index 014e8e5..4044a19 100644
--- a/register.php
+++ b/register.php
@@ -27,7 +27,7 @@ $values = [
 $countries = db()->query("SELECT id, name_en, name_ar FROM countries ORDER BY name_en ASC")->fetchAll();
 $cities = db()->query("SELECT id, country_id, name_en, name_ar FROM cities ORDER BY name_en ASC")->fetchAll();
 
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $role = $_POST['role'] ?? 'shipper';
     $fullName = trim($_POST['full_name'] ?? '');
     $email = trim($_POST['email'] ?? '');
@@ -263,7 +263,7 @@ render_header('Shipper & Truck Owner Registration');
         <div class="alert alert-warning"><?= e(implode(' ', $errors)) ?></div>
     <?php endif; ?>
 
-    <form method="post" enctype="multipart/form-data" id="regForm" novalidate>
+    <form method="post" enctype="multipart/form-data" id="regForm" novalidate> <?= csrf_field() ?>
         <div class="row g-3">
             <div class="col-md-3">
                 <label class="form-label" for="role"><?= e(t('role')) ?></label>
diff --git a/shipment_detail.php b/shipment_detail.php
index 825941a..32891a9 100644
--- a/shipment_detail.php
+++ b/shipment_detail.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_login();
 require_once __DIR__ . '/includes/NotificationService.php';
 
 ensure_schema();
@@ -18,19 +18,21 @@ if ($shipmentId > 0) {
 $errors = [];
 $flash = get_flash();
 $userRole = $_SESSION['user_role'] ?? '';
+$currentUserId = isset($_SESSION['user_id']) ? (int)$_SESSION['user_id'] : 0;
 $isAdmin = $userRole === 'admin';
 $isShipper = $userRole === 'shipper';
 $isTruckOwner = $userRole === 'truck_owner';
+$isAssignedTruckOwner = $shipment && $shipment['truck_owner_id'] == $currentUserId;
 
 // Platform Fee Configuration
 $settings = get_settings();
 $platformFeePercentage = (float)($settings['platform_charge_percentage'] ?? 0) / 100;
 
 // Handle POST actions
-if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+if ($_SERVER['REQUEST_METHOD'] === 'POST') { validate_csrf_token();
     $action = $_POST['action'] ?? '';
 
-    if ($action === 'submit_offer') {
+    if ($action === 'submit_offer') { if (!$isTruckOwner && !$isAdmin) { $errors[] = 'Only truck owners can submit offers.'; }
         $offerOwner = trim($_POST['offer_owner'] ?? '');
         $offerPrice = trim($_POST['offer_price'] ?? '');
         if ($offerOwner === '' || $offerPrice === '') {
@@ -127,6 +129,45 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             header('Location: ' . url_with_lang('shipment_detail.php', ['id' => $shipmentId]));
             exit;
         }
+    } elseif ($action === 'upload_pod') {
+        if (($isAdmin || ($isTruckOwner && $isAssignedTruckOwner)) && in_array($shipment['status'], ['confirmed', 'in_transit', 'delivered'])) {
+            if (isset($_FILES['pod_file']) && $_FILES['pod_file']['error'] === UPLOAD_ERR_OK) {
+                $fileTmpPath = $_FILES['pod_file']['tmp_name'];
+                $fileName = $_FILES['pod_file']['name'];
+                $fileSize = $_FILES['pod_file']['size'];
+                $fileType = $_FILES['pod_file']['type'];
+                $fileNameCmps = explode(".", $fileName);
+                $fileExtension = strtolower(end($fileNameCmps));
+
+                $allowedfileExtensions = ['jpg', 'jpeg', 'png', 'pdf'];
+                if (in_array($fileExtension, $allowedfileExtensions)) {
+                    $newFileName = 'pod_' . $shipmentId . '_' . md5(time() . $fileName) . '.' . $fileExtension;
+                    $uploadFileDir = __DIR__ . '/uploads/pods/';
+                    if (!is_dir($uploadFileDir)) {
+                        mkdir($uploadFileDir, 0777, true);
+                    }
+                    $dest_path = $uploadFileDir . $newFileName;
+
+                    if(move_uploaded_file($fileTmpPath, $dest_path)) {
+                        $dbPath = 'uploads/pods/' . $newFileName;
+                        $stmt = db()->prepare("UPDATE shipments SET pod_file = :pod_file, status = 'delivered' WHERE id = :id");
+                        $stmt->execute([':pod_file' => $dbPath, ':id' => $shipmentId]);
+                        
+                        set_flash('success', 'Proof of Delivery uploaded successfully.');
+                        header('Location: ' . url_with_lang('shipment_detail.php', ['id' => $shipmentId]));
+                        exit; 
+                    } else {
+                        $errors[] = 'There was some error moving the file to upload directory.';
+                    }
+                } else {
+                    $errors[] = 'Upload failed. Allowed file types: ' . implode(',', $allowedfileExtensions);
+                }
+            } else {
+                $errors[] = 'No file uploaded or upload error.';
+            }
+        } else {
+            $errors[] = 'You are not authorized to upload POD for this shipment.';
+        }
     }
 }
 
@@ -263,13 +304,13 @@ render_header(t('shipment_detail'));
                         </div>
 
                         <div class="d-grid gap-2">
-                             <form method="post">
+                             <form method="post"> <?= csrf_field() ?>
                                 <input type="hidden" name="action" value="accept_offer">
                                 <button class="btn btn-success w-100 py-3 fw-bold shadow-sm" type="submit">
                                     <i class="bi bi-credit-card-2-front me-2"></i>Accept & Pay Now
                                 </button>
                             </form>
-                            <form method="post" onsubmit="return confirm('Are you sure you want to reject this offer?');">
+                            <form method="post" onsubmit="return confirm('Are you sure you want to reject this offer?');"> <?= csrf_field() ?>
                                 <input type="hidden" name="action" value="reject_offer">
                                 <button class="btn btn-outline-danger w-100 py-2 fw-bold" type="submit">
                                     <i class="bi bi-x-circle me-2"></i>Reject Offer
@@ -291,10 +332,27 @@ render_header(t('shipment_detail'));
                             <p class="mb-0 text-muted">This shipment has been confirmed and paid for.</p>
                         </div>
                     <?php endif; ?>
+                    
+                    <!-- POD Display for Shipper -->
+                    <?php if (!empty($shipment['pod_file'])): ?>
+                    <div class="mt-4 pt-4 border-top">
+                        <h4 class="h6 text-muted mb-3">Proof of Delivery</h4>
+                        <div class="card">
+                            <div class="card-body d-flex align-items-center">
+                                <i class="bi bi-file-earmark-text fs-3 text-primary me-3"></i>
+                                <div>
+                                    <a href="<?= e($shipment['pod_file']) ?>" target="_blank" class="fw-bold text-decoration-none stretched-link">View Document</a>
+                                    <div class="small text-muted">Uploaded by Truck Owner</div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                    <?php endif; ?>
+
                 </div>
 
             <?php else: ?>
-                <!-- Truck Owner / Admin / Other View (Submit Offer) -->
+                <!-- Truck Owner / Admin / Other View (Submit Offer & POD) -->
                 <div class="panel p-4">
                     <h3 class="section-title"><?= e(t('submit_offer')) ?></h3>
                     <?php if ($flash): ?>
@@ -305,7 +363,7 @@ render_header(t('shipment_detail'));
                     <?php endif; ?>
                     
                     <?php if ($shipment['status'] === 'posted' || $shipment['status'] === 'offered'): ?>
-                        <form method="post">
+                        <form method="post"> <?= csrf_field() ?>
                             <input type="hidden" name="action" value="submit_offer">
                             <div class="mb-3">
                                 <label class="form-label"><?= e(t('offer_owner')) ?></label>
@@ -322,6 +380,39 @@ render_header(t('shipment_detail'));
                             This shipment is already confirmed/processed.
                         </div>
                     <?php endif; ?>
+
+                    <!-- Proof of Delivery Section -->
+                    <?php if (in_array($shipment['status'], ['confirmed', 'in_transit', 'delivered'])): ?>
+                    <div class="mt-5 pt-4 border-top">
+                        <h4 class="section-title mb-3">Proof of Delivery</h4>
+                        
+                        <?php if (!empty($shipment['pod_file'])): ?>
+                            <div class="card mb-3">
+                                <div class="card-body d-flex align-items-center">
+                                    <i class="bi bi-check-circle-fill fs-3 text-success me-3"></i>
+                                    <div>
+                                        <div class="fw-bold text-success">POD Uploaded</div>
+                                        <a href="<?= e($shipment['pod_file']) ?>" target="_blank" class="small text-decoration-none">View Document</a>
+                                    </div>
+                                </div>
+                            </div>
+                        <?php endif; ?>
+
+                        <?php if ($isAdmin || ($isTruckOwner && $isAssignedTruckOwner)): ?>
+                            <form method="post" enctype="multipart/form-data"> <?= csrf_field() ?>
+                                <input type="hidden" name="action" value="upload_pod">
+                                <div class="mb-3">
+                                    <label class="form-label small text-muted">Upload POD Document (Image/PDF)</label>
+                                    <input type="file" name="pod_file" class="form-control" accept="image/*,.pdf" required>
+                                </div>
+                                <button type="submit" class="btn btn-dark w-100">
+                                    <i class="bi bi-upload me-2"></i>Upload POD
+                                </button>
+                            </form>
+                        <?php endif; ?>
+                    </div>
+                    <?php endif; ?>
+
                 </div>
             <?php endif; ?>
         </div>
diff --git a/shipper_dashboard.php b/shipper_dashboard.php
index 0187dd4..7f7e782 100644
--- a/shipper_dashboard.php
+++ b/shipper_dashboard.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('shipper');
 require_once __DIR__ . '/includes/NotificationService.php';
 
 ensure_schema();
@@ -168,7 +168,7 @@ $flash = get_flash();
             <?php if ($errors): ?>
                 <div class="alert alert-warning"><?= e(implode(' ', $errors)) ?></div>
             <?php endif; ?>
-            <form method="post">
+            <form method="post"> <?= csrf_field() ?>
                 <input type="hidden" name="action" value="create_shipment">
                 <div class="mb-3">
                     <label class="form-label text-muted small fw-bold"><?= e(t('shipper_name')) ?></label>
diff --git a/truck_owner_dashboard.php b/truck_owner_dashboard.php
index 0611c13..deaaeea 100644
--- a/truck_owner_dashboard.php
+++ b/truck_owner_dashboard.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-require_once __DIR__ . '/includes/layout.php';
+require_once __DIR__ . '/includes/layout.php'; require_role('truck_owner');
 
 ensure_schema();