diff --git a/pos/static/js/inventory.js b/pos/static/js/inventory.js
index e2c66e3..7bdd44f 100644
--- a/pos/static/js/inventory.js
+++ b/pos/static/js/inventory.js
@@ -65,6 +65,7 @@
 
     function renderInventoryRow(it) {
         return '<tr style="cursor:pointer;" onclick="viewProductDetail(' + it.id + ')">' +
+            '<td class="td--mono" style="font-size:var(--text-caption);color:var(--color-text-muted);">' + it.id + '</td>' +
             '<td class="td--mono">' + esc(it.barcode) + '</td>' +
             '<td class="td--mono">' + esc(it.part_number) + '</td>' +
             '<td class="td--primary">' + esc(it.name) + '</td>' +
@@ -77,6 +78,7 @@
             '<td>' + esc(it.location) + '</td>' +
             '<td>' +
             '<button class="btn btn--ghost btn--sm" onclick="event.stopPropagation();viewHistory(' + it.id + ')">Historial</button> ' +
+            '<button class="btn btn--ghost btn--sm" style="color:var(--color-accent);" onclick="event.stopPropagation();showPurchaseModalForItem(' + it.id + ')">Entrada</button> ' +
             '<button class="btn btn--ghost btn--sm" onclick="event.stopPropagation();printBarcode(\'' + esc(it.barcode) + '\',\'' + esc(it.part_number) + '\',\'' + esc(it.name) + '\')">Etiqueta</button>' +
             '</td></tr>';
     }
@@ -93,7 +95,7 @@
             var tbody = document.getElementById('productTableBody');
             var items = data.data || [];
             if (!items.length) {
-                tbody.innerHTML = '<tr><td colspan="11" style="text-align:center;padding:30px;color:var(--color-text-muted);">Sin productos</td></tr>';
+                tbody.innerHTML = '<tr><td colspan="12" style="text-align:center;padding:30px;color:var(--color-text-muted);">Sin productos</td></tr>';
                 document.getElementById('productPagination').innerHTML = '';
                 return;
             }
@@ -104,7 +106,7 @@
                     rowHeight: 48,
                     buffer: 3,
                     renderRow: renderInventoryRow,
-                    emptyHtml: '<tr><td colspan="11" style="text-align:center;padding:30px;color:var(--color-text-muted);">Sin productos</td></tr>'
+                    emptyHtml: '<tr><td colspan="12" style="text-align:center;padding:30px;color:var(--color-text-muted);">Sin productos</td></tr>'
                 });
             }
             inventoryVS.setData(items);
@@ -236,6 +238,10 @@
     function showPurchaseModal() {
         document.getElementById('purchaseModal').classList.add('is-open');
     }
+    function showPurchaseModalForItem(itemId) {
+        document.getElementById('purchaseItemId').value = itemId;
+        showPurchaseModal();
+    }
     function closePurchaseModal() {
         document.getElementById('purchaseModal').classList.remove('is-open');
         document.getElementById('purchaseResult').innerHTML = '';
@@ -254,9 +260,18 @@
             return;
         }
         apiFetch(API + '/purchase', { method: 'POST', body: JSON.stringify(data) }).then(function (result) {
-            document.getElementById('purchaseResult').innerHTML = result && result.operation_id
-                ? '<span style="color:var(--color-success);">Compra registrada (op #' + result.operation_id + ')</span>'
-                : '<span style="color:var(--color-error);">' + (result ? result.error || 'Error' : 'Error de red') + '</span>';
+            if (result && result.operation_id) {
+                document.getElementById('purchaseResult').innerHTML = '<span style="color:var(--color-success);">Compra registrada (op #' + result.operation_id + ')</span>';
+                closePurchaseModal();
+                ['purchaseItemId','purchaseQty','purchaseCost','purchaseInvoice','purchaseNotes'].forEach(function(id) {
+                    var el = document.getElementById(id);
+                    if (el) el.value = '';
+                });
+                if (window.loadInventoryStats) window.loadInventoryStats();
+                loadItems(currentPage);
+            } else {
+                document.getElementById('purchaseResult').innerHTML = '<span style="color:var(--color-error);">' + (result ? result.error || 'Error' : 'Error de red') + '</span>';
+            }
         });
     }
 
@@ -599,6 +614,7 @@
 
             // Product info header
             html += '<div style="display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--color-border);">';
+            html += '<div><span style="font-size:var(--text-caption);color:var(--color-text-muted);text-transform:uppercase;display:block;">ID Inventario</span><strong style="font-family:var(--font-mono);">' + data.id + '</strong></div>';
             html += '<div><span style="font-size:var(--text-caption);color:var(--color-text-muted);text-transform:uppercase;display:block;">No. Parte</span><strong>' + esc(data.part_number) + '</strong></div>';
             html += '<div><span style="font-size:var(--text-caption);color:var(--color-text-muted);text-transform:uppercase;display:block;">Nombre</span><strong>' + esc(data.name) + '</strong></div>';
             html += '<div><span style="font-size:var(--text-caption);color:var(--color-text-muted);text-transform:uppercase;display:block;">Marca</span>' + esc(data.brand) + '</div>';
@@ -796,6 +812,7 @@
     window.closeCreateModal = closeCreateModal;
     window.createItem = createItem;
     window.showPurchaseModal = showPurchaseModal;
+    window.showPurchaseModalForItem = showPurchaseModalForItem;
     window.closePurchaseModal = closePurchaseModal;
     window.recordPurchase = recordPurchase;
     window.showAdjustmentModal = showAdjustmentModal;
diff --git a/pos/templates/inventory.html b/pos/templates/inventory.html
index b5faef6..59c9b1a 100644
--- a/pos/templates/inventory.html
+++ b/pos/templates/inventory.html
@@ -317,6 +317,7 @@
               <table class="data-table" id="stockTable">
                 <thead>
                   <tr>
+                    <th style="font-size:var(--text-caption);color:var(--color-text-muted);">ID</th>
                     <th>Barcode</th>
                     <th>No. Parte</th>
                     <th>Nombre</th>