diff --git a/debts.php b/debts.php
index f9d3a3b..2ef3292 100644
--- a/debts.php
+++ b/debts.php
@@ -367,7 +367,7 @@ require_once 'includes/header.php';
                                             <span class="badge <?= h(payment_status_badge_class($paymentSummary['payment_status'])) ?>"><?= h(payment_status_label($paymentSummary['payment_status'])) ?></span>
                                         </td>
                                         <td>
-                                            <button class="btn btn-sm btn-outline-success rounded-pill px-3" onclick="receivePayment(<?= (int) $sale['id'] ?>, <?= json_encode((float) $paymentSummary['due_amount']) ?>, <?= ($sale['status'] ?? 'completed') === 'order' ? 'true' : 'false' ?>)">
+                                            <button class="btn btn-sm btn-outline-success rounded-pill px-3" onclick="receivePayment(<?= (int) $sale['id'] ?>, <?= json_encode((float) $sale['total_amount']) ?>, <?= json_encode((float) $paymentSummary['paid_amount']) ?>, <?= json_encode((float) $paymentSummary['due_amount']) ?>, <?= ($sale['status'] ?? 'completed') === 'order' ? 'true' : 'false' ?>)">
                                                 <i class="bi bi-cash-coin"></i> <?= h(tr('استلام دفعة', 'Receive Payment')) ?>
                                             </button>
                                         </td>
@@ -383,30 +383,80 @@ require_once 'includes/header.php';
 </div>
 
 <script>
-async function receivePayment(id, dueAmount, completeOrder = false) {
-    const { value: paymentAmount } = await Swal.fire({
+function formatPaymentPopupAmount(value) {
+    return Number(value || 0).toFixed(3);
+}
+
+async function receivePayment(id, totalAmount, paidAmount, dueAmount, completeOrder = false) {
+    const popupHtml = `
+        <div class="text-start">
+            <div class="row g-2 mb-3">
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('إجمالي الفاتورة', 'Total amount')) ?></div>
+                        <div class="fw-bold text-dark">${formatPaymentPopupAmount(totalAmount)}</div>
+                    </div>
+                </div>
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('المدفوع سابقاً', 'Already paid')) ?></div>
+                        <div class="fw-bold text-primary">${formatPaymentPopupAmount(paidAmount)}</div>
+                    </div>
+                </div>
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('المتبقي الحالي', 'Current remaining')) ?></div>
+                        <div class="fw-bold text-danger">${formatPaymentPopupAmount(dueAmount)}</div>
+                    </div>
+                </div>
+            </div>
+            <label for="swal-payment-amount" class="form-label fw-semibold mb-2"><?= h(tr('المبلغ المطلوب دفعه الآن', 'Amount to pay now')) ?></label>
+            <input id="swal-payment-amount" type="number" class="swal2-input mt-0" min="0.001" step="0.001" max="${formatPaymentPopupAmount(dueAmount)}" value="${formatPaymentPopupAmount(dueAmount)}">
+            <div class="d-flex justify-content-between align-items-center rounded-3 border px-3 py-2 bg-light mt-3">
+                <span class="small text-muted"><?= h(tr('المتبقي بعد الدفعة', 'Remaining after payment')) ?></span>
+                <strong id="swal-payment-remaining" class="text-success">0.000</strong>
+            </div>
+        </div>`;
+
+    const { isConfirmed, value: paymentAmount } = await Swal.fire({
         title: '<?= h(tr('استلام دفعة', 'Receive Payment')) ?>',
-        text: '<?= h(tr('أدخل المبلغ المستلم لهذه الفاتورة.', 'Enter the amount received for this invoice.')) ?>',
-        input: 'number',
-        inputAttributes: { min: '0.001', step: '0.001', max: String(dueAmount) },
-        inputValue: Number(dueAmount).toFixed(3),
+        html: popupHtml,
         showCancelButton: true,
         confirmButtonColor: '#198754',
         confirmButtonText: '<?= h(tr('حفظ الدفعة', 'Save Payment')) ?>',
         cancelButtonText: '<?= h(tr('إلغاء', 'Cancel')) ?>',
-        inputValidator: (value) => {
-            const amount = parseFloat(value || '0');
+        focusConfirm: false,
+        didOpen: () => {
+            const input = document.getElementById('swal-payment-amount');
+            const remainingEl = document.getElementById('swal-payment-remaining');
+            const updateRemaining = () => {
+                const amount = parseFloat(input.value || '0');
+                const safeAmount = Number.isFinite(amount) ? amount : 0;
+                const remaining = Math.max(dueAmount - safeAmount, 0);
+                remainingEl.textContent = formatPaymentPopupAmount(remaining);
+                remainingEl.className = remaining > 0.0005 ? 'text-danger' : 'text-success';
+            };
+            input.addEventListener('input', updateRemaining);
+            input.focus();
+            input.select();
+            updateRemaining();
+        },
+        preConfirm: () => {
+            const input = document.getElementById('swal-payment-amount');
+            const amount = parseFloat(input.value || '0');
             if (!amount || amount <= 0) {
-                return '<?= h(tr('أدخل مبلغاً صحيحاً.', 'Enter a valid amount.')) ?>';
+                Swal.showValidationMessage('<?= h(tr('أدخل مبلغاً صحيحاً.', 'Enter a valid amount.')) ?>');
+                return false;
             }
             if (amount - dueAmount > 0.0005) {
-                return '<?= h(tr('المبلغ لا يمكن أن يتجاوز المتبقي.', 'Amount cannot exceed the due balance.')) ?>';
+                Swal.showValidationMessage('<?= h(tr('المبلغ لا يمكن أن يتجاوز المتبقي.', 'Amount cannot exceed the due balance.')) ?>');
+                return false;
             }
-            return null;
+            return formatPaymentPopupAmount(amount);
         }
     });
 
-    if (!paymentAmount) {
+    if (!isConfirmed || !paymentAmount) {
         return;
     }
 
diff --git a/edit_sale.php b/edit_sale.php
index 3c382cc..ee6d125 100644
--- a/edit_sale.php
+++ b/edit_sale.php
@@ -32,6 +32,12 @@ $deliveryStatusInput = trim((string) ($_POST['delivery_status'] ?? ($editSale['d
 $deliveryDateInput = trim((string) ($_POST['delivery_date'] ?? ($editSale['delivery_date'] ?? '')));
 $notesInput = trim((string) ($_POST['notes'] ?? ($editSale['notes'] ?? '')));
 $saleStatusInput = trim((string) ($_POST['sale_status'] ?? ($editSale['status'] ?? 'completed')));
+$itemNotePlaceholder = $isEidSale
+    ? tr('مثال: بدون سكر، تغليف هدية، لون معين، كتابة اسم...', 'Example: no sugar, gift wrap, specific color, write a name...')
+    : tr('ملاحظة داخلية لهذا الصنف...', 'Internal note for this item...');
+$itemNoteHelper = $isEidSale
+    ? tr('ملاحظة داخلية لهذا الصنف فقط — لا تُطبع في الإيصال.', 'Internal for this item only — not printed on the receipt.')
+    : tr('ملاحظة محفوظة لهذا الصنف داخل النظام.', 'This note is saved for this item inside the system.');
 
 try {
     $customers = db()->query('SELECT id, name, phone FROM customers ORDER BY name ASC')->fetchAll();
@@ -79,6 +85,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 continue;
             }
             $product = $catalog[$sku];
+            $itemNote = trim((string) ($item['item_note'] ?? ''));
             $price = (float) $product['price'];
             $lineTotal = $price * $qty;
             
@@ -92,6 +99,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 'name_en' => $product['name_en'],
                 'qty' => $qty,
                 'price' => $price,
+                'item_note' => $itemNote,
                 'line_total' => $lineTotal,
                 'vat_percent' => $vatPercent,
                 'vat_amount' => $itemVat
@@ -560,6 +568,9 @@ require __DIR__ . '/includes/header.php';
 const catalogData = <?= json_encode($catalog, JSON_UNESCAPED_UNICODE) ?>;
 const catalogArray = Object.values(catalogData);
 const partialPaymentText = '<?= h(tr('متبقٍ بعد الحفظ:', 'Due after save:')) ?>';
+const showItemNotes = <?= $isEidSale ? 'true' : 'false' ?>;
+const itemNotePlaceholder = <?= json_encode($itemNotePlaceholder, JSON_UNESCAPED_UNICODE) ?>;
+const itemNoteHelper = <?= json_encode($itemNoteHelper, JSON_UNESCAPED_UNICODE) ?>;
 let invoiceItems = {};
 let currentInvoiceTotal = 0;
 
@@ -570,7 +581,8 @@ initialItemsJson.forEach(item => {
         sku: item.sku,
         name: '<?= current_lang() ?>' === 'ar' ? item.name_ar : item.name_en,
         price: parseFloat(item.price),
-        qty: parseInt(item.qty)
+        qty: parseInt(item.qty),
+        item_note: item.item_note || ''
     };
 });
 // renderInvoice();
@@ -746,7 +758,8 @@ function addItemToInvoice(sku) {
             sku: sku,
             name: '<?= current_lang() ?>' === 'ar' ? item.name_ar : item.name_en,
             price: parseFloat(item.price),
-            qty: 1
+            qty: 1,
+            item_note: ''
         };
     }
     renderInvoice();
@@ -767,6 +780,27 @@ function removeItem(sku) {
     renderInvoice();
 }
 
+function changeItemNoteValue(sku, newNote) {
+    if (!invoiceItems[sku]) {
+        return;
+    }
+    invoiceItems[sku].item_note = String(newNote ?? '');
+    cartJson.value = JSON.stringify(Object.keys(invoiceItems).map(currentSku => {
+        const currentItem = invoiceItems[currentSku];
+        return {
+            sku: currentItem.sku,
+            qty: currentItem.qty,
+            item_note: String(currentItem.item_note ?? '')
+        };
+    }));
+}
+
+function escapeHtml(value) {
+    return String(value ?? '').replace(/[&<>"']/g, function(char) {
+        return ({'&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#039;'})[char] || char;
+    });
+}
+
 function renderInvoice() {
     const skus = Object.keys(invoiceItems);
     if (skus.length === 0) {
@@ -791,13 +825,22 @@ function renderInvoice() {
         totalVat += itemVat;
 
         totalAmount += lineTotal;
-        cartData.push({ sku: item.sku, qty: item.qty });
+        cartData.push({ sku: item.sku, qty: item.qty, item_note: String(item.item_note || '') });
+
+        const safeName = escapeHtml(item.name);
+        const safeSku = escapeHtml(item.sku);
+        const safeItemNote = escapeHtml(item.item_note || '');
+        const itemNoteHtml = showItemNotes ? `
+                <input type="text" class="form-control form-control-sm line-input mt-2" value="${safeItemNote}" oninput="changeItemNoteValue('${sku}', this.value)" placeholder="${escapeHtml(itemNotePlaceholder)}">
+                <div class="text-muted small mt-1">${escapeHtml(itemNoteHelper)}</div>
+        ` : '';
 
         const tr = document.createElement('tr');
         tr.innerHTML = `
             <td>
-                <div class="fw-medium text-dark">${item.name}</div>
-                <div class="text-muted small">SKU: ${item.sku}</div>
+                <div class="fw-medium text-dark">${safeName}</div>
+                ${itemNoteHtml}
+                <div class="text-muted small mt-2">SKU: ${safeSku}</div>
             </td>
             <td class="text-center text-muted align-middle">${item.price.toFixed(3)}</td>
             <td class="text-center align-middle">
diff --git a/eid_orders.php b/eid_orders.php
index 78bac6b..d80afce 100644
--- a/eid_orders.php
+++ b/eid_orders.php
@@ -34,6 +34,26 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['
     redirect_to('eid_orders.php', $_GET);
 }
 
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'delete_order') {
+    $id = (int) ($_POST['id'] ?? 0);
+    try {
+        $stmt = db()->prepare("DELETE FROM sales_orders WHERE id = :id AND order_type = :order_type LIMIT 1");
+        $stmt->execute([
+            ':id' => $id,
+            ':order_type' => 'eid',
+        ]);
+
+        if ($stmt->rowCount() > 0) {
+            set_flash('success', tr('تم حذف طلب العيد بنجاح.', 'Eid order deleted successfully.'));
+        } else {
+            set_flash('warning', tr('تعذر العثور على طلب العيد المطلوب حذفه.', 'The Eid order to delete could not be found.'));
+        }
+    } catch (Throwable $e) {
+        set_flash('danger', tr('تعذر حذف طلب العيد.', 'Failed to delete the Eid order.'));
+    }
+    redirect_to('eid_orders.php', $_GET);
+}
+
 
 $activeNav = 'eid_orders';
 $pageTitle = tr('طلبات العيد', 'Eid Orders');
@@ -481,13 +501,9 @@ require __DIR__ . '/includes/header.php';
                 <td>
                                     <div class="d-flex justify-content-end gap-2">
                     <?php if ((($order['payment_summary']['payment_status'] ?? ($order['payment_status'] ?? 'unpaid'))) !== 'paid'): ?>
-                    <form method="post" action="" class="d-inline js-confirm-mark-paid" data-confirm-message="<?= h(tr('هل أنت متأكد من تغيير حالة الدفع إلى مدفوع؟', 'Are you sure you want to mark as paid?')) ?>" data-confirm-title="<?= h(tr('تأكيد الإجراء', 'Confirm action')) ?>">
-                      <input type="hidden" name="action" value="mark_as_paid">
-                      <input type="hidden" name="id" value="<?= h($order['id']) ?>">
-                      <button type="submit" class="btn btn-sm btn-outline-success" title="<?= h(tr('تحويل لمدفوع', 'Mark as Paid')) ?>">
-                        <i class="bi bi-cash"></i>
-                      </button>
-                    </form>
+                    <button type="button" class="btn btn-sm btn-outline-success" onclick="receivePayment(<?= (int) $order['id'] ?>, <?= json_encode((float) ($order['total_amount'] ?? 0)) ?>, <?= json_encode((float) (($order['payment_summary']['paid_amount'] ?? 0))) ?>, <?= json_encode((float) (($order['payment_summary']['due_amount'] ?? 0))) ?>, <?= (($order['status'] ?? 'completed') === 'order') ? 'true' : 'false' ?>)" title="<?= h(tr('استلام دفعة', 'Receive Payment')) ?>">
+                      <i class="bi bi-cash"></i>
+                    </button>
                     <?php endif; ?>
                     <div class="dropdown">
                       <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown" data-bs-boundary="window" aria-expanded="false" title="<?= h(tr('تغيير الحالة', 'Change status')) ?>">
@@ -509,6 +525,9 @@ require __DIR__ . '/includes/header.php';
                     </div>
                     <a class="btn btn-sm btn-light border text-primary" href="<?= h(url_for('sale.php', ['id' => $order['id']])) ?>" title="<?= h(tr('تفاصيل', 'Detail')) ?>"><i class="bi bi-eye"></i></a>
                     <a class="btn btn-sm btn-outline-secondary" href="<?= h(url_for('edit_sale.php', ['id' => $order['id']])) ?>" title="<?= h(tr('تعديل', 'Edit')) ?>"><i class="bi bi-pencil"></i></a>
+                    <button type="button" class="btn btn-sm btn-outline-danger" onclick='confirmDeleteEidOrder(<?= (int) $order['id'] ?>, <?= json_encode((string) ($order['receipt_no'] ?? '')) ?>)' title="<?= h(tr('حذف', 'Delete')) ?>">
+                      <i class="bi bi-trash"></i>
+                    </button>
                   </div>
                 </td>
               </tr>
@@ -531,39 +550,154 @@ require __DIR__ . '/includes/header.php';
   <?php endif; ?>
 </section>
 <script>
-document.addEventListener('DOMContentLoaded', function () {
-  document.querySelectorAll('.js-confirm-mark-paid').forEach(function (form) {
-    form.addEventListener('submit', function (event) {
-      event.preventDefault();
+function formatPaymentPopupAmount(value) {
+  return Number(value || 0).toFixed(3);
+}
 
-      var message = form.getAttribute('data-confirm-message') || '';
-      var title = form.getAttribute('data-confirm-title') || '';
+async function confirmDeleteEidOrder(id, receiptNo) {
+  const displayReceiptNo = receiptNo || '#'+id;
+  const result = await Swal.fire({
+    icon: 'warning',
+    title: '<?= h(tr('حذف طلب العيد', 'Delete Eid order')) ?>',
+    text: '<?= h(tr('سيتم حذف الطلب نهائياً من القائمة. هل تريد المتابعة؟', 'This will permanently remove the order from the list. Do you want to continue?')) ?>' + ' (' + displayReceiptNo + ')',
+    showCancelButton: true,
+    confirmButtonColor: '#dc3545',
+    confirmButtonText: '<?= h(tr('نعم، احذف', 'Yes, delete')) ?>',
+    cancelButtonText: '<?= h(tr('إلغاء', 'Cancel')) ?>'
+  });
 
-      if (typeof Swal === 'undefined') {
-        if (window.confirm(message)) {
-          form.submit();
-        }
+  if (!result.isConfirmed) {
+    return;
+  }
+
+  const form = document.createElement('form');
+  form.method = 'post';
+  form.action = '';
+
+  const fields = {
+    action: 'delete_order',
+    id: String(id)
+  };
+
+  Object.entries(fields).forEach(([name, value]) => {
+    const input = document.createElement('input');
+    input.type = 'hidden';
+    input.name = name;
+    input.value = value;
+    form.appendChild(input);
+  });
+
+  const query = window.location.search ? window.location.search.substring(1) : '';
+  if (query) {
+    query.split('&').forEach((pair) => {
+      if (!pair) {
         return;
       }
-
-      Swal.fire({
-        icon: 'warning',
-        title: title,
-        text: message,
-        position: 'center',
-        showCancelButton: true,
-        confirmButtonText: '<?= h(tr('نعم، تحويلها لمدفوع', 'Yes, mark it as paid')) ?>',
-        cancelButtonText: '<?= h(tr('إلغاء', 'Cancel')) ?>',
-        confirmButtonColor: '#198754',
-        cancelButtonColor: '#6c757d',
-        focusCancel: true
-      }).then(function (result) {
-        if (result.isConfirmed) {
-          form.submit();
-        }
-      });
+      const parts = pair.split('=');
+      const name = decodeURIComponent(parts[0] || '').trim();
+      if (!name || name === 'action' || name === 'id') {
+        return;
+      }
+      const input = document.createElement('input');
+      input.type = 'hidden';
+      input.name = name;
+      input.value = decodeURIComponent((parts[1] || '').replace(/\+/g, ' '));
+      form.appendChild(input);
     });
+  }
+
+  document.body.appendChild(form);
+  form.submit();
+}
+
+async function receivePayment(id, totalAmount, paidAmount, dueAmount, completeOrder = false) {
+  const popupHtml = `
+    <div class="text-start">
+      <div class="row g-2 mb-3">
+        <div class="col-4">
+          <div class="border rounded-3 p-2 h-100 bg-light">
+            <div class="small text-muted"><?= h(tr('إجمالي الفاتورة', 'Total amount')) ?></div>
+            <div class="fw-bold text-dark">${formatPaymentPopupAmount(totalAmount)}</div>
+          </div>
+        </div>
+        <div class="col-4">
+          <div class="border rounded-3 p-2 h-100 bg-light">
+            <div class="small text-muted"><?= h(tr('المدفوع سابقاً', 'Already paid')) ?></div>
+            <div class="fw-bold text-primary">${formatPaymentPopupAmount(paidAmount)}</div>
+          </div>
+        </div>
+        <div class="col-4">
+          <div class="border rounded-3 p-2 h-100 bg-light">
+            <div class="small text-muted"><?= h(tr('المتبقي الحالي', 'Current remaining')) ?></div>
+            <div class="fw-bold text-danger">${formatPaymentPopupAmount(dueAmount)}</div>
+          </div>
+        </div>
+      </div>
+      <label for="swal-payment-amount" class="form-label fw-semibold mb-2"><?= h(tr('المبلغ المطلوب دفعه الآن', 'Amount to pay now')) ?></label>
+      <input id="swal-payment-amount" type="number" class="swal2-input mt-0" min="0.001" step="0.001" max="${formatPaymentPopupAmount(dueAmount)}" value="${formatPaymentPopupAmount(dueAmount)}">
+      <div class="d-flex justify-content-between align-items-center rounded-3 border px-3 py-2 bg-light mt-3">
+        <span class="small text-muted"><?= h(tr('المتبقي بعد الدفعة', 'Remaining after payment')) ?></span>
+        <strong id="swal-payment-remaining" class="text-success">0.000</strong>
+      </div>
+    </div>`;
+
+  const { isConfirmed, value: paymentAmount } = await Swal.fire({
+    title: '<?= h(tr('استلام دفعة', 'Receive Payment')) ?>',
+    html: popupHtml,
+    showCancelButton: true,
+    confirmButtonColor: '#198754',
+    confirmButtonText: '<?= h(tr('حفظ الدفعة', 'Save Payment')) ?>',
+    cancelButtonText: '<?= h(tr('إلغاء', 'Cancel')) ?>',
+    focusConfirm: false,
+    didOpen: () => {
+      const input = document.getElementById('swal-payment-amount');
+      const remainingEl = document.getElementById('swal-payment-remaining');
+      const updateRemaining = () => {
+        const amount = parseFloat(input.value || '0');
+        const safeAmount = Number.isFinite(amount) ? amount : 0;
+        const remaining = Math.max(dueAmount - safeAmount, 0);
+        remainingEl.textContent = formatPaymentPopupAmount(remaining);
+        remainingEl.className = remaining > 0.0005 ? 'text-danger' : 'text-success';
+      };
+      input.addEventListener('input', updateRemaining);
+      input.focus();
+      input.select();
+      updateRemaining();
+    },
+    preConfirm: () => {
+      const input = document.getElementById('swal-payment-amount');
+      const amount = parseFloat(input.value || '0');
+      if (!amount || amount <= 0) {
+        Swal.showValidationMessage('<?= h(tr('أدخل مبلغاً صحيحاً.', 'Enter a valid amount.')) ?>');
+        return false;
+      }
+      if (amount - dueAmount > 0.0005) {
+        Swal.showValidationMessage('<?= h(tr('المبلغ لا يمكن أن يتجاوز المتبقي.', 'Amount cannot exceed the due balance.')) ?>');
+        return false;
+      }
+      return formatPaymentPopupAmount(amount);
+    }
   });
-});
+
+  if (!isConfirmed || !paymentAmount) {
+    return;
+  }
+
+  const formData = new FormData();
+  formData.append('sale_id', String(id));
+  formData.append('payment_amount', String(paymentAmount));
+  if (completeOrder) {
+    formData.append('complete_order', '1');
+  }
+
+  const response = await fetch('api/sales_payment.php', { method: 'POST', body: formData });
+  const data = await response.json();
+  if (data.success) {
+    await Swal.fire({ icon: 'success', text: data.message, confirmButtonText: 'OK' });
+    window.location.reload();
+  } else {
+    Swal.fire({ icon: 'error', text: data.error || '<?= h(tr('تعذر تسجيل الدفعة.', 'Could not record the payment.')) ?>' });
+  }
+}
 </script>
 <?php require __DIR__ . '/includes/footer.php'; ?>
diff --git a/includes/sale_form.php b/includes/sale_form.php
index cb4210d..333df6b 100644
--- a/includes/sale_form.php
+++ b/includes/sale_form.php
@@ -30,6 +30,12 @@ $notesPlaceholder = $isEidOrder
 $notesHelper = $isEidOrder
     ? tr('هذه الملاحظة داخلية وتبقى في النظام فقط، ولن تظهر في الإيصال المطبوع.', 'This note is internal, stays in the system only, and will not appear on the printed receipt.')
     : tr('سيتم حفظ هذه الملاحظات مع الفاتورة داخل النظام.', 'These notes will be saved with the invoice inside the system.');
+$itemNotePlaceholder = $isEidOrder
+    ? tr('مثال: بدون سكر، تغليف هدية، لون معين، كتابة اسم...', 'Example: no sugar, gift wrap, specific color, write a name...')
+    : tr('ملاحظة داخلية لهذا الصنف...', 'Internal note for this item...');
+$itemNoteHelper = $isEidOrder
+    ? tr('ملاحظة داخلية لهذا الصنف فقط — لا تُطبع في الإيصال.', 'Internal for this item only — not printed on the receipt.')
+    : tr('ملاحظة محفوظة لهذا الصنف داخل النظام.', 'This note is saved for this item inside the system.');
 
 try {
     $customers = db()->query('SELECT id, name, phone FROM customers ORDER BY name ASC')->fetchAll();
@@ -97,6 +103,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 $finalName = $sku;
             }
 
+$itemNote = trim((string) ($item['item_note'] ?? ''));
+
             $price = isset($item['price']) && is_numeric($item['price'])
                 ? max(0, (float) $item['price'])
                 : (float) $product['price'];
@@ -113,6 +121,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 'name_en' => $finalName,
                 'qty' => $qty,
                 'price' => $price,
+                'item_note' => $itemNote,
                 'line_total' => $lineTotal,
                 'vat_percent' => $vatPercent,
                 'vat_amount' => $itemVat
@@ -604,6 +613,9 @@ require __DIR__ . '/header.php';
 const catalogData = <?= json_encode($catalog, JSON_UNESCAPED_UNICODE) ?>;
 const catalogArray = Object.values(catalogData);
 const partialPaymentText = '<?= h(tr('متبقٍ بعد الحفظ:', 'Due after save:')) ?>';
+const showItemNotes = <?= $isEidOrder ? 'true' : 'false' ?>;
+const itemNotePlaceholder = <?= json_encode($itemNotePlaceholder, JSON_UNESCAPED_UNICODE) ?>;
+const itemNoteHelper = <?= json_encode($itemNoteHelper, JSON_UNESCAPED_UNICODE) ?>;
 let invoiceItems = {};
 let currentInvoiceTotal = 0;
 
@@ -780,7 +792,8 @@ function addItemToInvoice(sku) {
             sku: sku,
             name: '<?= current_lang() ?>' === 'ar' ? item.name_ar : item.name_en,
             price: parseFloat(item.price),
-            qty: 1
+            qty: 1,
+            item_note: ''
         };
     }
     renderInvoice();
@@ -809,6 +822,23 @@ function changeItemPrice(sku, newPrice) {
     renderInvoice();
 }
 
+function changeItemNoteValue(sku, newNote) {
+    if (!invoiceItems[sku]) {
+        return;
+    }
+    invoiceItems[sku].item_note = String(newNote ?? '');
+    cartJson.value = JSON.stringify(Object.keys(invoiceItems).map(currentSku => {
+        const currentItem = invoiceItems[currentSku];
+        return {
+            sku: currentItem.sku,
+            name: currentItem.name,
+            price: currentItem.price,
+            qty: currentItem.qty,
+            item_note: String(currentItem.item_note ?? '')
+        };
+    }));
+}
+
 function changeQty(sku, newQty) {
     const qty = parseInt(newQty);
     if (isNaN(qty) || qty < 1) {
@@ -854,16 +884,22 @@ function renderInvoice() {
         totalVat += itemVat;
 
         totalAmount += lineTotal;
-        cartData.push({ sku: item.sku, name: item.name, price: item.price, qty: item.qty });
+        cartData.push({ sku: item.sku, name: item.name, price: item.price, qty: item.qty, item_note: String(item.item_note || '') });
 
         const safeSku = escapeHtml(item.sku);
         const safeName = escapeHtml(item.name);
+        const safeItemNote = escapeHtml(item.item_note || '');
+        const itemNoteHtml = showItemNotes ? `
+                <input type="text" class="form-control form-control-sm line-input mt-2" value="${safeItemNote}" oninput="changeItemNoteValue('${sku}', this.value)" placeholder="${escapeHtml(itemNotePlaceholder)}">
+                <div class="text-muted small mt-1">${escapeHtml(itemNoteHelper)}</div>
+        ` : '';
 
         const tr = document.createElement('tr');
         tr.innerHTML = `
             <td>
                 <input type="text" class="form-control form-control-sm line-input fw-medium mb-2" value="${safeName}" onchange="changeItemName('${sku}', this.value)" onkeyup="if(event.key==='Enter') changeItemName('${sku}', this.value)">
-                <div class="text-muted small">SKU: ${safeSku}</div>
+                ${itemNoteHtml}
+                <div class="text-muted small mt-2">SKU: ${safeSku}</div>
             </td>
             <td class="text-center align-middle">
                 <input type="number" class="form-control form-control-sm text-center line-input line-price-input mx-auto" min="0" step="0.001" value="${item.price.toFixed(3)}" onchange="changeItemPrice('${sku}', this.value)" onkeyup="if(event.key==='Enter') changeItemPrice('${sku}', this.value)">
diff --git a/sales.php b/sales.php
index c07c81d..16aaaf9 100644
--- a/sales.php
+++ b/sales.php
@@ -330,7 +330,7 @@ require __DIR__ . '/includes/header.php';
               <td><?= h(date('Y-m-d H:i', strtotime((string) $sale['sale_date']))) ?></td>
               <td>
                 <?php if ($paymentSummary['due_amount'] > 0.0005): ?>
-                  <button class="btn btn-sm btn-outline-success rounded-circle shadow-sm me-1" style="width: 34px; height: 34px; padding: 0;" onclick="receivePayment(<?= (int) $sale['id'] ?>, <?= json_encode((float) $paymentSummary['due_amount']) ?>, <?= ($sale['status'] ?? 'completed') === 'order' ? 'true' : 'false' ?>)" title="<?= h(tr('استلام دفعة', 'Receive Payment')) ?>">
+                  <button class="btn btn-sm btn-outline-success rounded-circle shadow-sm me-1" style="width: 34px; height: 34px; padding: 0;" onclick="receivePayment(<?= (int) $sale['id'] ?>, <?= json_encode((float) $sale['total_amount']) ?>, <?= json_encode((float) $paymentSummary['paid_amount']) ?>, <?= json_encode((float) $paymentSummary['due_amount']) ?>, <?= ($sale['status'] ?? 'completed') === 'order' ? 'true' : 'false' ?>)" title="<?= h(tr('استلام دفعة', 'Receive Payment')) ?>">
                     <i class="bi bi-cash-coin"></i>
                   </button>
                 <?php endif; ?>
@@ -365,30 +365,80 @@ require __DIR__ . '/includes/header.php';
 </section>
 
 <script>
-async function receivePayment(id, dueAmount, completeOrder = false) {
-    const { value: paymentAmount } = await Swal.fire({
+function formatPaymentPopupAmount(value) {
+    return Number(value || 0).toFixed(3);
+}
+
+async function receivePayment(id, totalAmount, paidAmount, dueAmount, completeOrder = false) {
+    const popupHtml = `
+        <div class="text-start">
+            <div class="row g-2 mb-3">
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('إجمالي الفاتورة', 'Total amount')) ?></div>
+                        <div class="fw-bold text-dark">${formatPaymentPopupAmount(totalAmount)}</div>
+                    </div>
+                </div>
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('المدفوع سابقاً', 'Already paid')) ?></div>
+                        <div class="fw-bold text-primary">${formatPaymentPopupAmount(paidAmount)}</div>
+                    </div>
+                </div>
+                <div class="col-4">
+                    <div class="border rounded-3 p-2 h-100 bg-light">
+                        <div class="small text-muted"><?= h(tr('المتبقي الحالي', 'Current remaining')) ?></div>
+                        <div class="fw-bold text-danger">${formatPaymentPopupAmount(dueAmount)}</div>
+                    </div>
+                </div>
+            </div>
+            <label for="swal-payment-amount" class="form-label fw-semibold mb-2"><?= h(tr('المبلغ المطلوب دفعه الآن', 'Amount to pay now')) ?></label>
+            <input id="swal-payment-amount" type="number" class="swal2-input mt-0" min="0.001" step="0.001" max="${formatPaymentPopupAmount(dueAmount)}" value="${formatPaymentPopupAmount(dueAmount)}">
+            <div class="d-flex justify-content-between align-items-center rounded-3 border px-3 py-2 bg-light mt-3">
+                <span class="small text-muted"><?= h(tr('المتبقي بعد الدفعة', 'Remaining after payment')) ?></span>
+                <strong id="swal-payment-remaining" class="text-success">0.000</strong>
+            </div>
+        </div>`;
+
+    const { isConfirmed, value: paymentAmount } = await Swal.fire({
         title: '<?= h(tr('استلام دفعة', 'Receive Payment')) ?>',
-        text: '<?= h(tr('أدخل المبلغ المستلم لهذه الفاتورة.', 'Enter the amount received for this invoice.')) ?>',
-        input: 'number',
-        inputAttributes: { min: '0.001', step: '0.001', max: String(dueAmount) },
-        inputValue: Number(dueAmount).toFixed(3),
+        html: popupHtml,
         showCancelButton: true,
         confirmButtonColor: '#198754',
         confirmButtonText: '<?= h(tr('حفظ الدفعة', 'Save Payment')) ?>',
         cancelButtonText: '<?= h(tr('إلغاء', 'Cancel')) ?>',
-        inputValidator: (value) => {
-            const amount = parseFloat(value || '0');
+        focusConfirm: false,
+        didOpen: () => {
+            const input = document.getElementById('swal-payment-amount');
+            const remainingEl = document.getElementById('swal-payment-remaining');
+            const updateRemaining = () => {
+                const amount = parseFloat(input.value || '0');
+                const safeAmount = Number.isFinite(amount) ? amount : 0;
+                const remaining = Math.max(dueAmount - safeAmount, 0);
+                remainingEl.textContent = formatPaymentPopupAmount(remaining);
+                remainingEl.className = remaining > 0.0005 ? 'text-danger' : 'text-success';
+            };
+            input.addEventListener('input', updateRemaining);
+            input.focus();
+            input.select();
+            updateRemaining();
+        },
+        preConfirm: () => {
+            const input = document.getElementById('swal-payment-amount');
+            const amount = parseFloat(input.value || '0');
             if (!amount || amount <= 0) {
-                return '<?= h(tr('أدخل مبلغاً صحيحاً.', 'Enter a valid amount.')) ?>';
+                Swal.showValidationMessage('<?= h(tr('أدخل مبلغاً صحيحاً.', 'Enter a valid amount.')) ?>');
+                return false;
             }
             if (amount - dueAmount > 0.0005) {
-                return '<?= h(tr('المبلغ لا يمكن أن يتجاوز المتبقي.', 'Amount cannot exceed the due balance.')) ?>';
+                Swal.showValidationMessage('<?= h(tr('المبلغ لا يمكن أن يتجاوز المتبقي.', 'Amount cannot exceed the due balance.')) ?>');
+                return false;
             }
-            return null;
+            return formatPaymentPopupAmount(amount);
         }
     });
 
-    if (!paymentAmount) {
+    if (!isConfirmed || !paymentAmount) {
         return;
     }