diff --git a/helpers.php b/helpers.php
new file mode 100644
index 0000000..53adf4f
--- /dev/null
+++ b/helpers.php
@@ -0,0 +1,38 @@
+<?php
+session_start();
+require_once __DIR__ . '/lang.php';
+
+if (!isset($_SESSION['lang'])) {
+    $_SESSION['lang'] = 'en';
+}
+
+if (isset($_GET['lang'])) {
+    if ($_GET['lang'] === 'ar' || $_GET['lang'] === 'en') {
+        $_SESSION['lang'] = $_GET['lang'];
+        // Redirect to remove lang param
+        header("Location: " . strtok($_SERVER["REQUEST_URI"], '?'));
+        exit;
+    }
+}
+
+function __($key) {
+    global $translations;
+    $lang = $_SESSION['lang'];
+    return $translations[$lang][$key] ?? $key;
+}
+
+function is_rtl() {
+    return $_SESSION['lang'] === 'ar';
+}
+
+function get_dir() {
+    return is_rtl() ? 'rtl' : 'ltr';
+}
+
+function get_lang_name() {
+    return $_SESSION['lang'] === 'ar' ? 'English' : 'العربية';
+}
+
+function get_lang_code() {
+    return $_SESSION['lang'] === 'ar' ? 'en' : 'ar';
+}
diff --git a/index.php b/index.php
index 7205f3d..cfc0dbc 100644
--- a/index.php
+++ b/index.php
@@ -1,150 +1,940 @@
 <?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
+require_once __DIR__ . '/db/config.php';
+require_once __DIR__ . '/helpers.php';
+
+$db = db();
+$lang = $_SESSION['lang'];
+$section = $_GET['section'] ?? 'dashboard';
+
+// Handle form submissions
+$message = '';
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if (isset($_POST['action'])) {
+        if ($_POST['action'] === 'add_patient') {
+            $name = $_POST['name'] ?? '';
+            $phone = $_POST['phone'] ?? '';
+            $dob = $_POST['dob'] ?? '';
+            $gender = $_POST['gender'] ?? '';
+            $blood_group = $_POST['blood_group'] ?? '';
+            $address = $_POST['address'] ?? '';
+            $insurance_company_id = $_POST['insurance_company_id'] ?: null;
+            $policy_number = $_POST['policy_number'] ?? '';
+            
+            if ($name && $phone) {
+                $stmt = $db->prepare("INSERT INTO patients (name, phone, dob, gender, blood_group, address, insurance_company_id, policy_number) VALUES (?, ?, ?, ?, ?, ?, ?, ?)");
+                $stmt->execute([$name, $phone, $dob, $gender, $blood_group, $address, $insurance_company_id, $policy_number]);
+                $message = __('add_patient') . ' ' . __('successfully');
+            }
+        } elseif ($_POST['action'] === 'add_insurance') {
+            $name_en = $_POST['name_en'] ?? '';
+            $name_ar = $_POST['name_ar'] ?? '';
+            $email = $_POST['email'] ?? '';
+            $phone = $_POST['phone'] ?? '';
+            $contact = $_POST['contact_info'] ?? '';
+            
+            if ($name_en && $name_ar) {
+                $stmt = $db->prepare("INSERT INTO insurance_companies (name_en, name_ar, email, phone, contact_info) VALUES (?, ?, ?, ?, ?)");
+                $stmt->execute([$name_en, $name_ar, $email, $phone, $contact]);
+                $message = __('insurance_company') . ' ' . __('successfully');
+            }
+        } elseif ($_POST['action'] === 'book_appointment') {
+            $patient_id = $_POST['patient_id'] ?? '';
+            $doctor_id = $_POST['doctor_id'] ?? '';
+            $date = $_POST['date'] ?? '';
+            $reason = $_POST['reason'] ?? '';
+            
+            if ($patient_id && $doctor_id && $date) {
+                $stmt = $db->prepare("INSERT INTO appointments (patient_id, doctor_id, appointment_date, reason) VALUES (?, ?, ?, ?)");
+                $stmt->execute([$patient_id, $doctor_id, $date, $reason]);
+                $message = __('book_appointment') . ' ' . __('successfully');
+            }
+        } elseif ($_POST['action'] === 'record_visit') {
+            $patient_id = $_POST['patient_id'] ?? '';
+            $doctor_id = $_POST['doctor_id'] ?? '';
+            $appointment_id = $_POST['appointment_id'] ?: null;
+            $weight = $_POST['weight'] ?? '';
+            $bp = $_POST['blood_pressure'] ?? '';
+            $hr = $_POST['heart_rate'] ?? '';
+            $temp = $_POST['temperature'] ?? '';
+            $symptoms = $_POST['symptoms'] ?? '';
+            $diagnosis = $_POST['diagnosis'] ?? '';
+            $treatment = $_POST['treatment_plan'] ?? '';
+            
+            if ($patient_id && $doctor_id) {
+                $stmt = $db->prepare("INSERT INTO visits (patient_id, doctor_id, appointment_id, weight, blood_pressure, heart_rate, temperature, symptoms, diagnosis, treatment_plan) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
+                $stmt->execute([$patient_id, $doctor_id, $appointment_id, $weight, $bp, $hr, $temp, $symptoms, $diagnosis, $treatment]);
+                
+                if ($appointment_id) {
+                    $db->prepare("UPDATE appointments SET status = 'Completed' WHERE id = ?")->execute([$appointment_id]);
+                }
+                $message = __('visit_recorded');
+            }
+        } elseif ($_POST['action'] === 'create_report') {
+            $visit_id = $_POST['visit_id'] ?? '';
+            $type = $_POST['report_type'] ?? '';
+            $findings = $_POST['findings'] ?? '';
+            $recommendations = $_POST['recommendations'] ?? '';
+            
+            if ($visit_id && $type) {
+                $stmt = $db->prepare("INSERT INTO provisional_reports (visit_id, report_type, findings, recommendations) VALUES (?, ?, ?, ?)");
+                $stmt->execute([$visit_id, $type, $findings, $recommendations]);
+                $message = __('report_created');
+            }
+        } elseif ($_POST['action'] === 'create_bill') {
+            $patient_id = $_POST['patient_id'] ?? '';
+            $visit_id = $_POST['visit_id'] ?: null;
+            $items = $_POST['items'] ?? [];
+            $amounts = $_POST['amounts'] ?? [];
+            
+            if ($patient_id && !empty($items)) {
+                $total = array_sum($amounts);
+                
+                // Check if patient has insurance
+                $patient = $db->prepare("SELECT insurance_company_id FROM patients WHERE id = ?");
+                $patient->execute([$patient_id]);
+                $p_data = $patient->fetch();
+                
+                $insurance_covered = 0;
+                if ($p_data && $p_data['insurance_company_id']) {
+                    // Simple logic: insurance covers 80% if they have insurance
+                    $insurance_covered = $total * 0.8;
+                }
+                $patient_payable = $total - $insurance_covered;
+
+                $stmt = $db->prepare("INSERT INTO bills (patient_id, visit_id, total_amount, insurance_covered, patient_payable, status) VALUES (?, ?, ?, ?, ?, 'Pending')");
+                $stmt->execute([$patient_id, $visit_id, $total, $insurance_covered, $patient_payable]);
+                $bill_id = $db->lastInsertId();
+                
+                $item_stmt = $db->prepare("INSERT INTO bill_items (bill_id, description, amount) VALUES (?, ?, ?)");
+                foreach ($items as $index => $desc) {
+                    if ($desc && isset($amounts[$index])) {
+                        $item_stmt->execute([$bill_id, $desc, $amounts[$index]]);
+                    }
+                }
+                $message = __('bill_created');
+            }
+        } elseif ($_POST['action'] === 'mark_paid') {
+            $bill_id = $_POST['bill_id'] ?? '';
+            if ($bill_id) {
+                $db->prepare("UPDATE bills SET status = 'Paid' WHERE id = ?")->execute([$bill_id]);
+                $message = __('bill_paid');
+            }
+        }
+    }
+}
+
+// Fetch Stats
+$total_patients = $db->query("SELECT COUNT(*) FROM patients")->fetchColumn();
+$today_appointments = $db->query("SELECT COUNT(*) FROM appointments WHERE DATE(appointment_date) = CURDATE()")->fetchColumn();
+$total_visits = $db->query("SELECT COUNT(*) FROM visits")->fetchColumn();
+$total_revenue = $db->query("SELECT SUM(total_amount) FROM bills WHERE status = 'Paid'")->fetchColumn() ?: 0;
+$pending_revenue = $db->query("SELECT SUM(total_amount) FROM bills WHERE status = 'Pending'")->fetchColumn() ?: 0;
+
+// Fetch Data based on section
+if ($section === 'dashboard') {
+    $patients_sql = "
+        SELECT p.*, ic.name_$lang as insurance_name 
+        FROM patients p 
+        LEFT JOIN insurance_companies ic ON p.insurance_company_id = ic.id 
+        ORDER BY p.id DESC LIMIT 5";
+    $patients = $db->query($patients_sql)->fetchAll();
+    
+    $appointments_sql = "
+        SELECT a.*, p.name as patient_name, d.name_$lang as doctor_name 
+        FROM appointments a 
+        JOIN patients p ON a.patient_id = p.id 
+        JOIN doctors d ON a.doctor_id = d.id 
+        ORDER BY a.appointment_date DESC 
+        LIMIT 5";
+    $appointments = $db->query($appointments_sql)->fetchAll();
+} elseif ($section === 'patients') {
+    $patients_sql = "
+        SELECT p.*, ic.name_$lang as insurance_name 
+        FROM patients p 
+        LEFT JOIN insurance_companies ic ON p.insurance_company_id = ic.id 
+        ORDER BY p.id DESC";
+    $patients = $db->query($patients_sql)->fetchAll();
+} elseif ($section === 'visits') {
+    $visits_sql = "
+        SELECT v.*, p.name as patient_name, d.name_$lang as doctor_name 
+        FROM visits v
+        JOIN patients p ON v.patient_id = p.id 
+        JOIN doctors d ON v.doctor_id = d.id 
+        ORDER BY v.visit_date DESC";
+    $visits = $db->query($visits_sql)->fetchAll();
+} elseif ($section === 'billing') {
+    $bills_sql = "
+        SELECT b.*, p.name as patient_name 
+        FROM bills b 
+        JOIN patients p ON b.patient_id = p.id 
+        ORDER BY b.created_at DESC";
+    $bills = $db->query($bills_sql)->fetchAll();
+} elseif ($section === 'insurance') {
+    $insurance_companies = $db->query("SELECT * FROM insurance_companies ORDER BY id DESC")->fetchAll();
+}
+
+// Common data for selects
+$all_doctors = $db->query("SELECT id, name_$lang as name FROM doctors")->fetchAll();
+$all_patients = $db->query("SELECT id, name FROM patients")->fetchAll();
+$all_insurance = $db->query("SELECT id, name_$lang as name FROM insurance_companies")->fetchAll();
+$scheduled_appointments = $db->query("
+    SELECT a.id, p.name as patient_name, a.appointment_date, a.patient_id, a.doctor_id
+    FROM appointments a 
+    JOIN patients p ON a.patient_id = p.id 
+    WHERE a.status = 'Scheduled' 
+    ORDER BY a.appointment_date ASC")->fetchAll();
 
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
 ?>
-<!doctype html>
-<html lang="en">
+<!DOCTYPE html>
+<html lang="<?php echo $_SESSION['lang']; ?>" dir="<?php echo get_dir(); ?>">
 <head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <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>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?php echo __('hospital_management'); ?></title>
+    <!-- Bootstrap 5 CSS -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <?php if (is_rtl()): ?>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.rtl.min.css">
+    <?php endif; ?>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Tajawal:wght@400;500;700&display=swap" rel="stylesheet">
+    <style>
+        body { font-family: 'Inter', 'Tajawal', sans-serif; background-color: #f4f7f6; }
+        .sidebar { min-height: 100vh; width: 250px; background-color: #002D62; color: white; transition: all 0.3s; }
+        .sidebar-link { color: #cfd8dc; text-decoration: none; padding: 12px 20px; display: block; border-left: 4px solid transparent; }
+        .sidebar-link:hover, .sidebar-link.active { background-color: #003a80; color: white; border-left-color: #4fc3f7; }
+        .main-content { flex: 1; padding: 25px; }
+        .card { border: none; border-radius: 8px; box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); margin-bottom: 20px; }
+        .stat-card { padding: 20px; text-align: center; }
+        .stat-card i { font-size: 2.5rem; color: #0056b3; margin-bottom: 10px; }
+        .btn-primary { background-color: #0056b3; border-color: #0056b3; }
+        .table thead th { background-color: #f8f9fa; border-bottom: 2px solid #dee2e6; color: #495057; font-weight: 600; }
+        .navbar { background-color: white; border-bottom: 1px solid #e0e0e0; }
+        <?php if (is_rtl()): ?>
+        .sidebar-link { border-left: 0; border-right: 4px solid transparent; }
+        .sidebar-link:hover, .sidebar-link.active { border-right-color: #4fc3f7; }
+        <?php endif; ?>
+    </style>
 </head>
 <body>
-  <main>
-    <div class="card">
-      <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 class="d-flex">
+    <!-- Sidebar -->
+    <div class="sidebar d-none d-md-block">
+        <div class="p-4 text-center">
+            <h5 class="fw-bold"><i class="bi bi-hospital"></i> <?php echo __('hospital_management'); ?></h5>
+        </div>
+        <nav class="mt-3">
+            <a href="index.php?section=dashboard" class="sidebar-link <?php echo $section === 'dashboard' ? 'active' : ''; ?>"><i class="bi bi-speedometer2 me-2"></i> <?php echo __('dashboard'); ?></a>
+            <a href="index.php?section=patients" class="sidebar-link <?php echo $section === 'patients' ? 'active' : ''; ?>"><i class="bi bi-people me-2"></i> <?php echo __('patients'); ?></a>
+            <a href="index.php?section=visits" class="sidebar-link <?php echo $section === 'visits' ? 'active' : ''; ?>"><i class="bi bi-clipboard2-pulse me-2"></i> <?php echo __('visits'); ?></a>
+            <a href="index.php?section=billing" class="sidebar-link <?php echo $section === 'billing' ? 'active' : ''; ?>"><i class="bi bi-receipt me-2"></i> <?php echo __('billing'); ?></a>
+            <a href="index.php?section=insurance" class="sidebar-link <?php echo $section === 'insurance' ? 'active' : ''; ?>"><i class="bi bi-shield-check me-2"></i> <?php echo __('insurance'); ?></a>
+            <a href="#" class="sidebar-link"><i class="bi bi-calendar-event me-2"></i> <?php echo __('appointments'); ?></a>
+            <a href="#" class="sidebar-link"><i class="bi bi-person-badge me-2"></i> <?php echo __('doctors'); ?></a>
+            <a href="#" class="sidebar-link"><i class="bi bi-diagram-3 me-2"></i> <?php echo __('departments'); ?></a>
+        </nav>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
+
+    <!-- Main Content -->
+    <div class="main-content">
+        <!-- Top Navbar -->
+        <nav class="navbar navbar-expand-lg navbar-light mb-4 rounded shadow-sm px-3">
+            <div class="container-fluid p-0">
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#topNav">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="collapse navbar-collapse" id="topNav">
+                    <div class="ms-auto d-flex align-items-center">
+                        <a href="?lang=<?php echo get_lang_code(); ?>&section=<?php echo $section; ?>" class="btn btn-outline-secondary btn-sm me-3">
+                            <i class="bi bi-translate"></i> <?php echo get_lang_name(); ?>
+                        </a>
+                        <div class="dropdown">
+                            <a class="nav-link dropdown-toggle d-flex align-items-center" href="#" role="button" data-bs-toggle="dropdown">
+                                <img src="https://ui-avatars.com/api/?name=Admin&background=0056b3&color=fff" class="rounded-circle me-2" width="32" height="32">
+                                <span>Admin</span>
+                            </a>
+                            <ul class="dropdown-menu dropdown-menu-end shadow border-0">
+                                <li><a class="dropdown-item" href="#"><i class="bi bi-person me-2"></i> <?php echo __('profile'); ?></a></li>
+                                <li><hr class="dropdown-divider"></li>
+                                <li><a class="dropdown-item text-danger" href="#"><i class="bi bi-box-arrow-right me-2"></i> <?php echo __('logout'); ?></a></li>
+                            </ul>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </nav>
+
+        <?php if ($message): ?>
+        <div class="alert alert-success alert-dismissible fade show" role="alert">
+            <?php echo $message; ?>
+            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+        <?php endif; ?>
+
+        <?php if ($section === 'dashboard'): ?>
+        <!-- Dashboard Stats -->
+        <div class="row mb-4">
+            <div class="col-md-3">
+                <div class="card stat-card">
+                    <i class="bi bi-people"></i>
+                    <h3><?php echo $total_patients; ?></h3>
+                    <p class="text-muted mb-0"><?php echo __('total_patients'); ?></p>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="card stat-card">
+                    <i class="bi bi-calendar-check"></i>
+                    <h3><?php echo $today_appointments; ?></h3>
+                    <p class="text-muted mb-0"><?php echo __('today_appointments'); ?></p>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="card stat-card">
+                    <i class="bi bi-currency-dollar text-success"></i>
+                    <h3>$<?php echo number_format($total_revenue, 2); ?></h3>
+                    <p class="text-muted mb-0"><?php echo __('revenue'); ?></p>
+                </div>
+            </div>
+            <div class="col-md-3">
+                <div class="card stat-card">
+                    <i class="bi bi-hourglass-split text-warning"></i>
+                    <h3>$<?php echo number_format($pending_revenue, 2); ?></h3>
+                    <p class="text-muted mb-0"><?php echo __('pending'); ?></p>
+                </div>
+            </div>
+        </div>
+
+        <!-- Quick Actions -->
+        <div class="row mb-4">
+            <div class="col-12">
+                <div class="card p-3 d-flex flex-row justify-content-between align-items-center">
+                    <h5 class="mb-0 fw-bold"><?php echo __('dashboard'); ?></h5>
+                    <div>
+                        <button class="btn btn-primary btn-sm me-2" data-bs-toggle="modal" data-bs-target="#addPatientModal">
+                            <i class="bi bi-plus-lg"></i> <?php echo __('add_patient'); ?>
+                        </button>
+                        <button class="btn btn-success btn-sm me-2" data-bs-toggle="modal" data-bs-target="#bookAppointmentModal">
+                            <i class="bi bi-calendar-plus"></i> <?php echo __('book_appointment'); ?>
+                        </button>
+                        <button class="btn btn-info btn-sm text-white" data-bs-toggle="modal" data-bs-target="#recordVisitModal">
+                            <i class="bi bi-clipboard-plus"></i> <?php echo __('add_visit'); ?>
+                        </button>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- Tables Section -->
+        <div class="row">
+            <div class="col-lg-6">
+                <div class="card shadow-sm h-100">
+                    <div class="card-header bg-white py-3">
+                        <h6 class="mb-0 fw-bold"><i class="bi bi-people-fill me-2 text-primary"></i> <?php echo __('patients'); ?></h6>
+                    </div>
+                    <div class="card-body p-0">
+                        <div class="table-responsive">
+                            <table class="table table-hover mb-0">
+                                <thead>
+                                    <tr>
+                                        <th><?php echo __('name'); ?></th>
+                                        <th><?php echo __('phone'); ?></th>
+                                        <th><?php echo __('insurance'); ?></th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <?php foreach ($patients as $p): ?>
+                                    <tr>
+                                        <td><?php echo htmlspecialchars($p['name']); ?></td>
+                                        <td><?php echo htmlspecialchars($p['phone']); ?></td>
+                                        <td><span class="badge <?php echo $p['insurance_name'] ? 'bg-primary' : 'bg-secondary'; ?>"><?php echo $p['insurance_name'] ?: __('not_insured'); ?></span></td>
+                                    </tr>
+                                    <?php endforeach; if (empty($patients)): ?>
+                                    <tr><td colspan="3" class="text-center py-4 text-muted">No patients found.</td></tr>
+                                    <?php endif; ?>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <div class="col-lg-6">
+                <div class="card shadow-sm h-100">
+                    <div class="card-header bg-white py-3">
+                        <h6 class="mb-0 fw-bold"><i class="bi bi-calendar-event-fill me-2 text-success"></i> <?php echo __('appointments'); ?></h6>
+                    </div>
+                    <div class="card-body p-0">
+                        <div class="table-responsive">
+                            <table class="table table-hover mb-0">
+                                <thead>
+                                    <tr>
+                                        <th><?php echo __('patient'); ?></th>
+                                        <th><?php echo __('doctor'); ?></th>
+                                        <th><?php echo __('date'); ?></th>
+                                        <th><?php echo __('status'); ?></th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <?php foreach ($appointments as $a): ?>
+                                    <tr>
+                                        <td><?php echo htmlspecialchars($a['patient_name']); ?></td>
+                                        <td><?php echo htmlspecialchars($a['doctor_name']); ?></td>
+                                        <td><?php echo date('M d, H:i', strtotime($a['appointment_date'])); ?></td>
+                                        <td><span class="badge <?php echo $a['status'] === 'Completed' ? 'bg-success' : 'bg-secondary'; ?>"><?php echo __($a['status']); ?></span></td>
+                                    </tr>
+                                    <?php endforeach; if (empty($appointments)): ?>
+                                    <tr><td colspan="4" class="text-center py-4 text-muted">No appointments found.</td></tr>
+                                    <?php endif; ?>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <?php elseif ($section === 'patients'): ?>
+        <div class="card shadow-sm">
+            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
+                <h5 class="mb-0 fw-bold"><i class="bi bi-people-fill me-2 text-primary"></i> <?php echo __('patients'); ?></h5>
+                <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addPatientModal">
+                    <i class="bi bi-plus-lg"></i> <?php echo __('add_patient'); ?>
+                </button>
+            </div>
+            <div class="card-body p-0">
+                <div class="table-responsive">
+                    <table class="table table-hover mb-0">
+                        <thead>
+                            <tr>
+                                <th><?php echo __('name'); ?></th>
+                                <th><?php echo __('phone'); ?></th>
+                                <th><?php echo __('dob'); ?></th>
+                                <th><?php echo __('insurance'); ?></th>
+                                <th><?php echo __('policy_number'); ?></th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($patients as $p): ?>
+                            <tr>
+                                <td><?php echo htmlspecialchars($p['name']); ?></td>
+                                <td><?php echo htmlspecialchars($p['phone']); ?></td>
+                                <td><?php echo $p['dob']; ?></td>
+                                <td><span class="badge <?php echo $p['insurance_name'] ? 'bg-primary' : 'bg-secondary'; ?>"><?php echo $p['insurance_name'] ?: __('not_insured'); ?></span></td>
+                                <td><?php echo htmlspecialchars($p['policy_number'] ?: '-'); ?></td>
+                            </tr>
+                            <?php endforeach; if (empty($patients)): ?>
+                            <tr><td colspan="5" class="text-center py-4 text-muted">No patients found.</td></tr>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+
+        <?php elseif ($section === 'visits'): ?>
+        <div class="card shadow-sm">
+            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
+                <h5 class="mb-0 fw-bold"><i class="bi bi-clipboard2-pulse me-2 text-info"></i> <?php echo __('visits'); ?></h5>
+                <button class="btn btn-info btn-sm text-white" data-bs-toggle="modal" data-bs-target="#recordVisitModal">
+                    <i class="bi bi-plus-lg"></i> <?php echo __('add_visit'); ?>
+                </button>
+            </div>
+            <div class="card-body p-0">
+                <div class="table-responsive">
+                    <table class="table table-hover mb-0">
+                        <thead>
+                            <tr>
+                                <th><?php echo __('date'); ?></th>
+                                <th><?php echo __('patient'); ?></th>
+                                <th><?php echo __('doctor'); ?></th>
+                                <th><?php echo __('diagnosis'); ?></th>
+                                <th><?php echo __('actions'); ?></th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($visits as $v): ?>
+                            <tr>
+                                <td><?php echo date('Y-m-d H:i', strtotime($v['visit_date'])); ?></td>
+                                <td><?php echo htmlspecialchars($v['patient_name']); ?></td>
+                                <td><?php echo htmlspecialchars($v['doctor_name']); ?></td>
+                                <td><small class="text-truncate d-inline-block" style="max-width: 200px;"><?php echo htmlspecialchars($v['diagnosis']); ?></small></td>
+                                <td>
+                                    <div class="btn-group">
+                                        <button class="btn btn-outline-primary btn-sm" onclick='showReportModal(<?php echo $v["id"]; ?>)'>
+                                            <i class="bi bi-file-earmark-plus"></i> <?php echo __('new_report'); ?>
+                                        </button>
+                                        <button class="btn btn-outline-success btn-sm" onclick='showBillModal(<?php echo $v["id"]; ?>, <?php echo $v["patient_id"]; ?>, "<?php echo addslashes($v["patient_name"]); ?>")'>
+                                            <i class="bi bi-receipt"></i> <?php echo __('create_bill'); ?>
+                                        </button>
+                                    </div>
+                                </td>
+                            </tr>
+                            <?php endforeach; if (empty($visits)): ?>
+                            <tr><td colspan="5" class="text-center py-4 text-muted">No visits recorded yet.</td></tr>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+
+        <?php elseif ($section === 'billing'): ?>
+        <div class="card shadow-sm">
+            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
+                <h5 class="mb-0 fw-bold"><i class="bi bi-receipt me-2 text-success"></i> <?php echo __('billing'); ?></h5>
+            </div>
+            <div class="card-body p-0">
+                <div class="table-responsive">
+                    <table class="table table-hover mb-0">
+                        <thead>
+                            <tr>
+                                <th>ID</th>
+                                <th><?php echo __('date'); ?></th>
+                                <th><?php echo __('patient'); ?></th>
+                                <th><?php echo __('total'); ?></th>
+                                <th><?php echo __('insurance_covered'); ?></th>
+                                <th><?php echo __('patient_payable'); ?></th>
+                                <th><?php echo __('status'); ?></th>
+                                <th><?php echo __('actions'); ?></th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($bills as $b): ?>
+                            <tr>
+                                <td>#<?php echo $b['id']; ?></td>
+                                <td><?php echo date('Y-m-d H:i', strtotime($b['created_at'])); ?></td>
+                                <td><?php echo htmlspecialchars($b['patient_name']); ?></td>
+                                <td>$<?php echo number_format($b['total_amount'], 2); ?></td>
+                                <td class="text-primary">$<?php echo number_format($b['insurance_covered'], 2); ?></td>
+                                <td class="fw-bold">$<?php echo number_format($b['patient_payable'], 2); ?></td>
+                                <td>
+                                    <span class="badge <?php echo $b['status'] === 'Paid' ? 'bg-success' : 'bg-warning'; ?>">
+                                        <?php echo __($b['status']); ?>
+                                    </span>
+                                </td>
+                                <td>
+                                    <?php if ($b['status'] === 'Pending'): ?>
+                                    <form action="index.php?section=billing" method="POST" class="d-inline">
+                                        <input type="hidden" name="action" value="mark_paid">
+                                        <input type="hidden" name="bill_id" value="<?php echo $b['id']; ?>">
+                                        <button type="submit" class="btn btn-sm btn-success">
+                                            <i class="bi bi-check-circle"></i> <?php echo __('mark_as_paid'); ?>
+                                        </button>
+                                    </form>
+                                    <?php endif; ?>
+                                </td>
+                            </tr>
+                            <?php endforeach; if (empty($bills)): ?>
+                            <tr><td colspan="8" class="text-center py-4 text-muted">No bills found.</td></tr>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+
+        <?php elseif ($section === 'insurance'): ?>
+        <div class="card shadow-sm">
+            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
+                <h5 class="mb-0 fw-bold"><i class="bi bi-shield-check me-2 text-primary"></i> <?php echo __('insurance_companies'); ?></h5>
+                <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addInsuranceModal">
+                    <i class="bi bi-plus-lg"></i> <?php echo __('add_insurance'); ?>
+                </button>
+            </div>
+            <div class="card-body p-0">
+                <div class="table-responsive">
+                    <table class="table table-hover mb-0">
+                        <thead>
+                            <tr>
+                                <th>ID</th>
+                                <th><?php echo __('name'); ?> (EN)</th>
+                                <th><?php echo __('name'); ?> (AR)</th>
+                                <th><?php echo __('email'); ?></th>
+                                <th><?php echo __('phone'); ?></th>
+                                <th><?php echo __('date'); ?></th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($insurance_companies as $ic): ?>
+                            <tr>
+                                <td>#<?php echo $ic['id']; ?></td>
+                                <td><?php echo htmlspecialchars($ic['name_en']); ?></td>
+                                <td><?php echo htmlspecialchars($ic['name_ar']); ?></td>
+                                <td><?php echo htmlspecialchars($ic['email'] ?: '-'); ?></td>
+                                <td><?php echo htmlspecialchars($ic['phone'] ?: '-'); ?></td>
+                                <td><?php echo date('Y-m-d', strtotime($ic['created_at'])); ?></td>
+                            </tr>
+                            <?php endforeach; if (empty($insurance_companies)): ?>
+                            <tr><td colspan="6" class="text-center py-4 text-muted">No insurance companies found.</td></tr>
+                            <?php endif; ?>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+        <?php endif; ?>
+    </div>
+</div>
+
+<!-- Add Patient Modal -->
+<div class="modal fade" id="addPatientModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog">
+        <form action="index.php?section=<?php echo $section; ?>" method="POST">
+            <input type="hidden" name="action" value="add_patient">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('add_patient'); ?></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 class="form-label"><?php echo __('name'); ?></label>
+                        <input type="text" name="name" class="form-control" required>
+                    </div>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('phone'); ?></label>
+                            <input type="text" name="phone" class="form-control" required>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('dob'); ?></label>
+                            <input type="date" name="dob" class="form-control">
+                        </div>
+                    </div>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('gender'); ?></label>
+                            <select name="gender" class="form-select">
+                                <option value="Male"><?php echo __('male'); ?></option>
+                                <option value="Female"><?php echo __('female'); ?></option>
+                                <option value="Other"><?php echo __('other'); ?></option>
+                            </select>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('blood_group'); ?></label>
+                            <input type="text" name="blood_group" class="form-control" placeholder="O+, A-, etc.">
+                        </div>
+                    </div>
+                    <hr>
+                    <h6 class="fw-bold mb-3"><?php echo __('insurance'); ?> (<?php echo __('optional'); ?>)</h6>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('insurance_company'); ?></label>
+                            <select name="insurance_company_id" class="form-select">
+                                <option value=""><?php echo __('not_insured'); ?></option>
+                                <?php foreach ($all_insurance as $i): ?>
+                                <option value="<?php echo $i['id']; ?>"><?php echo htmlspecialchars($i['name']); ?></option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('policy_number'); ?></label>
+                            <input type="text" name="policy_number" class="form-control">
+                        </div>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('address'); ?></label>
+                        <textarea name="address" class="form-control" rows="2"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-primary px-4"><?php echo __('save'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Add Insurance Modal -->
+<div class="modal fade" id="addInsuranceModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog">
+        <form action="index.php?section=insurance" method="POST">
+            <input type="hidden" name="action" value="add_insurance">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('add_insurance'); ?></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 class="form-label"><?php echo __('name'); ?> (EN)</label>
+                        <input type="text" name="name_en" class="form-control" required>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('name'); ?> (AR)</label>
+                        <input type="text" name="name_ar" class="form-control" dir="rtl" required>
+                    </div>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('email'); ?></label>
+                            <input type="email" name="email" class="form-control">
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('phone'); ?></label>
+                            <input type="text" name="phone" class="form-control">
+                        </div>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('contact_info'); ?></label>
+                        <textarea name="contact_info" class="form-control" rows="2"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-primary px-4"><?php echo __('save'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Book Appointment Modal -->
+<div class="modal fade" id="bookAppointmentModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog">
+        <form action="index.php?section=<?php echo $section; ?>" method="POST">
+            <input type="hidden" name="action" value="book_appointment">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('book_appointment'); ?></h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('patient'); ?></label>
+                        <select name="patient_id" class="form-select" required>
+                            <option value=""><?php echo __('search'); ?>...</option>
+                            <?php foreach ($all_patients as $p): ?>
+                            <option value="<?php echo $p['id']; ?>"><?php echo htmlspecialchars($p['name']); ?></option>
+                            <?php endforeach; ?>
+                        </select>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('doctor'); ?></label>
+                        <select name="doctor_id" class="form-select" required>
+                            <option value=""><?php echo __('search'); ?>...</option>
+                            <?php foreach ($all_doctors as $d): ?>
+                            <option value="<?php echo $d['id']; ?>"><?php echo htmlspecialchars($d['name']); ?></option>
+                            <?php endforeach; ?>
+                        </select>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('date'); ?></label>
+                        <input type="datetime-local" name="date" class="form-control" required>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('reason'); ?></label>
+                        <textarea name="reason" class="form-control" rows="2"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-success px-4"><?php echo __('book_appointment'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Record Visit Modal -->
+<div class="modal fade" id="recordVisitModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog modal-lg">
+        <form action="index.php?section=<?php echo $section; ?>" method="POST">
+            <input type="hidden" name="action" value="record_visit">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('add_visit'); ?></h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <div class="row">
+                        <div class="col-md-12 mb-3">
+                            <label class="form-label"><?php echo __('appointment'); ?> (<?php echo __('optional'); ?>)</label>
+                            <select name="appointment_id" class="form-select" id="visit_appointment_select" onchange="updateVisitFields()">
+                                <option value=""><?php echo __('search'); ?>...</option>
+                                <?php foreach ($scheduled_appointments as $sa): ?>
+                                <option value="<?php echo $sa['id']; ?>" data-patient="<?php echo $sa['patient_id']; ?>" data-doctor="<?php echo $sa['doctor_id']; ?>">
+                                    <?php echo htmlspecialchars($sa['patient_name']); ?> - <?php echo $sa['appointment_date']; ?>
+                                </option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                    </div>
+                    <div class="row">
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('patient'); ?></label>
+                            <select name="patient_id" id="visit_patient_id" class="form-select" required>
+                                <option value=""><?php echo __('search'); ?>...</option>
+                                <?php foreach ($all_patients as $p): ?>
+                                <option value="<?php echo $p['id']; ?>"><?php echo htmlspecialchars($p['name']); ?></option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                        <div class="col-md-6 mb-3">
+                            <label class="form-label"><?php echo __('doctor'); ?></label>
+                            <select name="doctor_id" id="visit_doctor_id" class="form-select" required>
+                                <option value=""><?php echo __('search'); ?>...</option>
+                                <?php foreach ($all_doctors as $d): ?>
+                                <option value="<?php echo $d['id']; ?>"><?php echo htmlspecialchars($d['name']); ?></option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                    </div>
+                    <hr>
+                    <h6 class="fw-bold mb-3"><?php echo __('vitals'); ?></h6>
+                    <div class="row">
+                        <div class="col-md-3 mb-3">
+                            <label class="form-label"><?php echo __('weight'); ?></label>
+                            <input type="text" name="weight" class="form-control">
+                        </div>
+                        <div class="col-md-3 mb-3">
+                            <label class="form-label"><?php echo __('blood_pressure'); ?></label>
+                            <input type="text" name="blood_pressure" class="form-control" placeholder="120/80">
+                        </div>
+                        <div class="col-md-3 mb-3">
+                            <label class="form-label"><?php echo __('heart_rate'); ?></label>
+                            <input type="text" name="heart_rate" class="form-control">
+                        </div>
+                        <div class="col-md-3 mb-3">
+                            <label class="form-label"><?php echo __('temperature'); ?></label>
+                            <input type="text" name="temperature" class="form-control">
+                        </div>
+                    </div>
+                    <hr>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('symptoms'); ?></label>
+                        <textarea name="symptoms" class="form-control" rows="2"></textarea>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('diagnosis'); ?></label>
+                        <textarea name="diagnosis" class="form-control" rows="2"></textarea>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('treatment_plan'); ?></label>
+                        <textarea name="treatment_plan" class="form-control" rows="2"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-info text-white px-4"><?php echo __('save'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Create Bill Modal -->
+<div class="modal fade" id="createBillModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog">
+        <form action="index.php?section=billing" method="POST">
+            <input type="hidden" name="action" value="create_bill">
+            <input type="hidden" name="visit_id" id="bill_visit_id">
+            <input type="hidden" name="patient_id" id="bill_patient_id">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('create_bill'); ?></h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                </div>
+                <div class="modal-body">
+                    <p class="mb-3"><?php echo __('patient'); ?>: <strong id="bill_patient_name"></strong></p>
+                    <div class="alert alert-info py-2 small">
+                        <i class="bi bi-info-circle me-1"></i> If patient has insurance, 80% coverage will be applied automatically.
+                    </div>
+                    <div id="bill_items_container">
+                        <div class="row g-2 mb-2 align-items-end item-row">
+                            <div class="col-8">
+                                <label class="form-label small mb-1"><?php echo __('description'); ?></label>
+                                <input type="text" name="items[]" class="form-control" required value="<?php echo __('consultation_fee'); ?>">
+                            </div>
+                            <div class="col-4">
+                                <label class="form-label small mb-1"><?php echo __('amount'); ?></label>
+                                <input type="number" step="0.01" name="amounts[]" class="form-control" required placeholder="0.00">
+                            </div>
+                        </div>
+                    </div>
+                    <button type="button" class="btn btn-link btn-sm p-0 mt-2" onclick="addBillItem()">+ <?php echo __('add_item'); ?></button>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-success px-4"><?php echo __('save'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Provisional Report Modal -->
+<div class="modal fade" id="reportModal" tabindex="-1" aria-hidden="true">
+    <div class="modal-dialog">
+        <form action="index.php?section=<?php echo $section; ?>" method="POST">
+            <input type="hidden" name="action" value="create_report">
+            <input type="hidden" name="visit_id" id="report_visit_id">
+            <div class="modal-content border-0 shadow">
+                <div class="modal-header">
+                    <h5 class="modal-title fw-bold"><?php echo __('new_report'); ?></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 class="form-label"><?php echo __('report_type'); ?></label>
+                        <input type="text" name="report_type" class="form-control" required placeholder="General, Lab, X-Ray, etc.">
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('findings'); ?></label>
+                        <textarea name="findings" class="form-control" rows="3"></textarea>
+                    </div>
+                    <div class="mb-3">
+                        <label class="form-label"><?php echo __('recommendations'); ?></label>
+                        <textarea name="recommendations" class="form-control" rows="3"></textarea>
+                    </div>
+                </div>
+                <div class="modal-footer bg-light">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal"><?php echo __('cancel'); ?></button>
+                    <button type="submit" class="btn btn-primary px-4"><?php echo __('save'); ?></button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Bootstrap 5 Bundle JS -->
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+<script>
+    function updateVisitFields() {
+        const select = document.getElementById('visit_appointment_select');
+        const option = select.options[select.selectedIndex];
+        if (option.value) {
+            document.getElementById('visit_patient_id').value = option.dataset.patient;
+            document.getElementById('visit_doctor_id').value = option.dataset.doctor;
+        }
+    }
+
+    function showReportModal(visitId) {
+        document.getElementById('report_visit_id').value = visitId;
+        new bootstrap.Modal(document.getElementById('reportModal')).show();
+    }
+
+    function showBillModal(visitId, patientId, patientName) {
+        document.getElementById('bill_visit_id').value = visitId;
+        document.getElementById('bill_patient_id').value = patientId;
+        document.getElementById('bill_patient_name').innerText = patientName;
+        new bootstrap.Modal(document.getElementById('createBillModal')).show();
+    }
+
+    function addBillItem() {
+        const container = document.getElementById('bill_items_container');
+        const row = document.createElement('div');
+        row.className = 'row g-2 mb-2 align-items-end item-row';
+        row.innerHTML = `
+            <div class="col-8">
+                <input type="text" name="items[]" class="form-control" required>
+            </div>
+            <div class="col-4">
+                <input type="number" step="0.01" name="amounts[]" class="form-control" required placeholder="0.00">
+            </div>
+        `;
+        container.appendChild(row);
+    }
+</script>
 </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/init_db.php b/init_db.php
new file mode 100644
index 0000000..d561bea
--- /dev/null
+++ b/init_db.php
@@ -0,0 +1,162 @@
+<?php
+require 'db/config.php';
+
+try {
+    $db = db();
+    
+    // Create tables
+    $sql = "
+    CREATE TABLE IF NOT EXISTS departments (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        name_en VARCHAR(255) NOT NULL,
+        name_ar VARCHAR(255) NOT NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS doctors (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        name_en VARCHAR(255) NOT NULL,
+        name_ar VARCHAR(255) NOT NULL,
+        specialization_en VARCHAR(255),
+        specialization_ar VARCHAR(255),
+        department_id INT,
+        FOREIGN KEY (department_id) REFERENCES departments(id) ON DELETE SET NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS insurance_companies (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        name_en VARCHAR(255) NOT NULL,
+        name_ar VARCHAR(255) NOT NULL,
+        email VARCHAR(255),
+        phone VARCHAR(50),
+        contact_info TEXT,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS patients (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        name VARCHAR(255) NOT NULL,
+        phone VARCHAR(50),
+        dob DATE,
+        gender VARCHAR(10),
+        blood_group VARCHAR(5),
+        address TEXT,
+        insurance_company_id INT NULL,
+        policy_number VARCHAR(100) NULL,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (insurance_company_id) REFERENCES insurance_companies(id) ON DELETE SET NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS appointments (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        patient_id INT,
+        doctor_id INT,
+        appointment_date DATETIME,
+        status ENUM('Scheduled', 'Completed', 'Cancelled') DEFAULT 'Scheduled',
+        reason TEXT,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (patient_id) REFERENCES patients(id) ON DELETE CASCADE,
+        FOREIGN KEY (doctor_id) REFERENCES doctors(id) ON DELETE CASCADE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS visits (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        patient_id INT,
+        doctor_id INT,
+        appointment_id INT NULL,
+        visit_date DATETIME DEFAULT CURRENT_TIMESTAMP,
+        weight VARCHAR(50),
+        blood_pressure VARCHAR(50),
+        heart_rate VARCHAR(50),
+        temperature VARCHAR(50),
+        symptoms TEXT,
+        diagnosis TEXT,
+        treatment_plan TEXT,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (patient_id) REFERENCES patients(id) ON DELETE CASCADE,
+        FOREIGN KEY (doctor_id) REFERENCES doctors(id) ON DELETE CASCADE,
+        FOREIGN KEY (appointment_id) REFERENCES appointments(id) ON DELETE SET NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS provisional_reports (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        visit_id INT,
+        report_type VARCHAR(255),
+        findings TEXT,
+        recommendations TEXT,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (visit_id) REFERENCES visits(id) ON DELETE CASCADE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS bills (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        patient_id INT,
+        visit_id INT NULL,
+        total_amount DECIMAL(10, 2) DEFAULT 0.00,
+        insurance_covered DECIMAL(10, 2) DEFAULT 0.00,
+        patient_payable DECIMAL(10, 2) DEFAULT 0.00,
+        status ENUM('Pending', 'Paid') DEFAULT 'Pending',
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (patient_id) REFERENCES patients(id) ON DELETE CASCADE,
+        FOREIGN KEY (visit_id) REFERENCES visits(id) ON DELETE SET NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+    CREATE TABLE IF NOT EXISTS bill_items (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        bill_id INT,
+        description VARCHAR(255),
+        amount DECIMAL(10, 2),
+        FOREIGN KEY (bill_id) REFERENCES bills(id) ON DELETE CASCADE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+    ";
+    
+    $db->exec($sql);
+
+    // Migration for existing tables
+    try {
+        $db->exec("ALTER TABLE insurance_companies ADD COLUMN IF NOT EXISTS email VARCHAR(255)");
+        $db->exec("ALTER TABLE insurance_companies ADD COLUMN IF NOT EXISTS phone VARCHAR(50)");
+    } catch (Exception $e) {}
+
+    try {
+        $db->exec("ALTER TABLE patients ADD COLUMN IF NOT EXISTS insurance_company_id INT NULL");
+        $db->exec("ALTER TABLE patients ADD COLUMN IF NOT EXISTS policy_number VARCHAR(100) NULL");
+        $db->exec("ALTER TABLE patients ADD CONSTRAINT fk_patient_insurance FOREIGN KEY (insurance_company_id) REFERENCES insurance_companies(id) ON DELETE SET NULL");
+    } catch (Exception $e) {}
+
+    try {
+        $db->exec("ALTER TABLE bills ADD COLUMN IF NOT EXISTS insurance_covered DECIMAL(10, 2) DEFAULT 0.00");
+        $db->exec("ALTER TABLE bills ADD COLUMN IF NOT EXISTS patient_payable DECIMAL(10, 2) DEFAULT 0.00");
+    } catch (Exception $e) {}
+    
+    // Seed departments
+    $stmt = $db->query("SELECT COUNT(*) FROM departments");
+    if ($stmt->fetchColumn() == 0) {
+        $db->exec("INSERT INTO departments (id, name_en, name_ar) VALUES 
+        (1, 'Cardiology', 'قسم القلب'),
+        (2, 'Pediatrics', 'طب الأطفال'),
+        (3, 'Emergency', 'الطوارئ'),
+        (4, 'Neurology', 'الأعصاب')");
+    }
+    
+    // Seed doctors
+    $stmt = $db->query("SELECT COUNT(*) FROM doctors");
+    if ($stmt->fetchColumn() == 0) {
+        $db->exec("INSERT INTO doctors (id, name_en, name_ar, specialization_en, specialization_ar, department_id) VALUES 
+        (1, 'Dr. Ahmed Ali', 'د. أحمد علي', 'Cardiologist', 'طبيب قلب', 1),
+        (2, 'Dr. Sarah Smith', 'د. سارة سميث', 'Pediatrician', 'طبيب أطفال', 2),
+        (3, 'Dr. John Doe', 'د. جون دو', 'Neurologist', 'طبيب أعصاب', 4)");
+    }
+
+    // Seed insurance companies
+    $stmt = $db->query("SELECT COUNT(*) FROM insurance_companies");
+    if ($stmt->fetchColumn() == 0) {
+        $db->exec("INSERT INTO insurance_companies (name_en, name_ar, contact_info) VALUES 
+        ('Bupa Arabia', 'بوبا العربية', '920000456'),
+        ('Tawuniya', 'التعاونية', '920019990'),
+        ('MedGulf', 'ميدغلف', '8004414444')");
+    }
+    
+    echo "Database setup completed successfully.";
+} catch (PDOException $e) {
+    die("Database setup failed: " . $e->getMessage());
+}
\ No newline at end of file
diff --git a/lang.php b/lang.php
new file mode 100644
index 0000000..ec09324
--- /dev/null
+++ b/lang.php
@@ -0,0 +1,183 @@
+<?php
+$translations = [
+    'en' => [
+        'dashboard' => 'Dashboard',
+        'patients' => 'Patients',
+        'doctors' => 'Doctors',
+        'appointments' => 'Appointments',
+        'departments' => 'Departments',
+        'add_patient' => 'Add Patient',
+        'book_appointment' => 'Book Appointment',
+        'name' => 'Name',
+        'phone' => 'Phone',
+        'dob' => 'Date of Birth',
+        'gender' => 'Gender',
+        'blood_group' => 'Blood Group',
+        'address' => 'Address',
+        'save' => 'Save',
+        'cancel' => 'Cancel',
+        'doctor' => 'Doctor',
+        'patient' => 'Patient',
+        'date' => 'Date',
+        'status' => 'Status',
+        'reason' => 'Reason',
+        'actions' => 'Actions',
+        'total_patients' => 'Total Patients',
+        'today_appointments' => 'Today\'s Appointments',
+        'hospital_management' => 'Hospital Management System',
+        'male' => 'Male',
+        'female' => 'Female',
+        'other' => 'Other',
+        'scheduled' => 'Scheduled',
+        'completed' => 'Completed',
+        'cancelled' => 'Cancelled',
+        'welcome' => 'Welcome',
+        'search' => 'Search',
+        'profile' => 'Profile',
+        'logout' => 'Logout',
+        'language' => 'Language',
+        'arabic' => 'Arabic',
+        'english' => 'English',
+        'department' => 'Department',
+        'specialization' => 'Specialization',
+        'visits' => 'Visits',
+        'new_visit' => 'New Visit',
+        'vitals' => 'Vitals',
+        'weight' => 'Weight (kg)',
+        'blood_pressure' => 'Blood Pressure',
+        'heart_rate' => 'Heart Rate (bpm)',
+        'temperature' => 'Temperature (°C)',
+        'symptoms' => 'Symptoms',
+        'diagnosis' => 'Diagnosis',
+        'treatment_plan' => 'Treatment Plan',
+        'provisional_reports' => 'Provisional Reports',
+        'new_report' => 'New Report',
+        'report_type' => 'Report Type',
+        'findings' => 'Findings',
+        'recommendations' => 'Recommendations',
+        'billing' => 'Billing',
+        'view_visit' => 'View Visit',
+        'add_visit' => 'Record Visit',
+        'appointment' => 'Appointment',
+        'visit_recorded' => 'Visit recorded successfully',
+        'report_created' => 'Provisional report created successfully',
+        'bill' => 'Bill',
+        'amount' => 'Amount',
+        'description' => 'Description',
+        'total' => 'Total',
+        'paid' => 'Paid',
+        'pending' => 'Pending',
+        'create_bill' => 'Create Bill',
+        'view_bill' => 'View Bill',
+        'bill_created' => 'Bill created successfully',
+        'bill_paid' => 'Bill marked as paid',
+        'payment_status' => 'Payment Status',
+        'revenue' => 'Revenue',
+        'items' => 'Items',
+        'add_item' => 'Add Item',
+        'consultation_fee' => 'Consultation Fee',
+        'mark_as_paid' => 'Mark as Paid',
+        'insurance_companies' => 'Insurance Companies',
+        'insurance_company' => 'Insurance Company',
+        'policy_number' => 'Policy Number',
+        'contact_info' => 'Contact Info',
+        'add_insurance' => 'Add Insurance',
+        'insurance' => 'Insurance',
+        'not_insured' => 'Not Insured',
+        'insurance_covered' => 'Insurance Covered',
+        'patient_payable' => 'Patient Payable',
+        'successfully' => 'successfully',
+        'optional' => 'Optional',
+        'email' => 'Email'
+    ],
+    'ar' => [
+        'dashboard' => 'لوحة القيادة',
+        'patients' => 'المرضى',
+        'doctors' => 'الأطباء',
+        'appointments' => 'المواعيد',
+        'departments' => 'الأقسام',
+        'add_patient' => 'إضافة مريض',
+        'book_appointment' => 'حجز موعد',
+        'name' => 'الاسم',
+        'phone' => 'الهاتف',
+        'dob' => 'تاريخ الميلاد',
+        'gender' => 'الجنس',
+        'blood_group' => 'فصيلة الدم',
+        'address' => 'العنوان',
+        'save' => 'حفظ',
+        'cancel' => 'إلغاء',
+        'doctor' => 'الطبيب',
+        'patient' => 'المريض',
+        'date' => 'التاريخ',
+        'status' => 'الحالة',
+        'reason' => 'السبب',
+        'actions' => 'الإجراءات',
+        'total_patients' => 'إجمالي المرضى',
+        'today_appointments' => 'مواعيد اليوم',
+        'hospital_management' => 'نظام إدارة المستشفى',
+        'male' => 'ذكر',
+        'female' => 'أنثى',
+        'other' => 'آخر',
+        'scheduled' => 'مجدول',
+        'completed' => 'مكتمل',
+        'cancelled' => 'ملغي',
+        'welcome' => 'أهلاً بك',
+        'search' => 'بحث',
+        'profile' => 'الملف الشخصي',
+        'logout' => 'تسجيل الخروج',
+        'language' => 'اللغة',
+        'arabic' => 'العربية',
+        'english' => 'الإنجليزية',
+        'department' => 'القسم',
+        'specialization' => 'التخصص',
+        'visits' => 'الزيارات',
+        'new_visit' => 'زيارة جديدة',
+        'vitals' => 'العلامات الحيوية',
+        'weight' => 'الوزن (كجم)',
+        'blood_pressure' => 'ضغط الدم',
+        'heart_rate' => 'نبض القلب',
+        'temperature' => 'درجة الحرارة',
+        'symptoms' => 'الأعراض',
+        'diagnosis' => 'التشخيص',
+        'treatment_plan' => 'خطة العلاج',
+        'provisional_reports' => 'التقارير المؤقتة',
+        'new_report' => 'تقرير جديد',
+        'report_type' => 'نوع التقرير',
+        'findings' => 'النتائج',
+        'recommendations' => 'التوصيات',
+        'billing' => 'الفواتير',
+        'view_visit' => 'عرض الزيارة',
+        'add_visit' => 'تسجيل زيارة',
+        'appointment' => 'الموعد',
+        'visit_recorded' => 'تم تسجيل الزيارة بنجاح',
+        'report_created' => 'تم إنشاء التقرير المؤقت بنجاح',
+        'bill' => 'فاتورة',
+        'amount' => 'المبلغ',
+        'description' => 'الوصف',
+        'total' => 'الإجمالي',
+        'paid' => 'تم الدفع',
+        'pending' => 'قيد الانتظار',
+        'create_bill' => 'إنشاء فاتورة',
+        'view_bill' => 'عرض الفاتورة',
+        'bill_created' => 'تم إنشاء الفاتورة بنجاح',
+        'bill_paid' => 'تم تحديد الفاتورة كمكتملة الدفع',
+        'payment_status' => 'حالة الدفع',
+        'revenue' => 'الإيرادات',
+        'items' => 'العناصر',
+        'add_item' => 'إضافة عنصر',
+        'consultation_fee' => 'رسوم الاستشارة',
+        'mark_as_paid' => 'تحديد كمكتمل الدفع',
+        'insurance_companies' => 'شركات التأمين',
+        'insurance_company' => 'شركة التأمين',
+        'policy_number' => 'رقم البوليصة',
+        'contact_info' => 'معلومات الاتصال',
+        'add_insurance' => 'إضافة تأمين',
+        'insurance' => 'التأمين',
+        'not_insured' => 'غير مؤمن',
+        'insurance_covered' => 'مغطى بالتأمين',
+        'patient_payable' => 'مبلغ المريض',
+        'successfully' => 'بنجاح',
+        'optional' => 'اختياري',
+        'email' => 'البريد الإلكتروني'
+    ]
+];