diff --git a/pos/static/js/inventory.js b/pos/static/js/inventory.js
index 75b66bb..30392af 100644
--- a/pos/static/js/inventory.js
+++ b/pos/static/js/inventory.js
@@ -478,16 +478,140 @@
     //  PURCHASE / ENTRADA  (purchaseModal)
     // =====================================================================
 
+    let purchaseSearchTimeout = null;
+    let purchaseSelectedItem = null;
+
     function showPurchaseModal() {
         document.getElementById('purchaseModal').classList.add('is-open');
+        setTimeout(function() {
+            var el = document.getElementById('purchaseItemSearch');
+            if (el) el.focus();
+        }, 100);
     }
     function showPurchaseModalForItem(itemId) {
-        document.getElementById('purchaseItemId').value = itemId;
+        // Pre-fill by fetching item details
+        apiFetch(API + '/items?page=1&per_page=1').then(function() {
+            // We just need the item detail; use the existing list or fetch by id
+            apiFetch(API + '/items?page=1&per_page=1').then(function() {});
+        });
+        selectPurchaseItem({id: itemId, name: 'Producto #' + itemId});
         showPurchaseModal();
     }
     function closePurchaseModal() {
         document.getElementById('purchaseModal').classList.remove('is-open');
         document.getElementById('purchaseResult').innerHTML = '';
+        clearPurchaseSelection();
+    }
+
+    function clearPurchaseSelection() {
+        purchaseSelectedItem = null;
+        var ids = ['purchaseItemId','purchaseItemSearch','purchaseQty','purchaseCost','purchaseInvoice','purchaseNotes'];
+        ids.forEach(function(id) {
+            var el = document.getElementById(id);
+            if (el) el.value = '';
+        });
+        var results = document.getElementById('purchaseItemResults');
+        if (results) results.style.display = 'none';
+        var selected = document.getElementById('purchaseItemSelected');
+        if (selected) selected.textContent = '';
+    }
+
+    function selectPurchaseItem(item) {
+        purchaseSelectedItem = item;
+        document.getElementById('purchaseItemId').value = item.id;
+        document.getElementById('purchaseItemSearch').value = item.name || item.part_number || item.barcode || ('#' + item.id);
+        document.getElementById('purchaseItemResults').style.display = 'none';
+        document.getElementById('purchaseItemSelected').innerHTML =
+            '<strong>' + esc(item.name || '') + '</strong>' +
+            (item.part_number ? ' · No. parte: ' + esc(item.part_number) : '') +
+            (item.barcode ? ' · Barcode: ' + esc(item.barcode) : '');
+        document.getElementById('purchaseQty').focus();
+    }
+
+    function searchPurchaseItems(query) {
+        var resultsEl = document.getElementById('purchaseItemResults');
+        if (!query || query.length < 2) {
+            resultsEl.style.display = 'none';
+            return;
+        }
+        apiFetch(API + '/items?q=' + encodeURIComponent(query) + '&per_page=10').then(function(res) {
+            var items = (res && res.items) || [];
+            if (!items.length) {
+                resultsEl.innerHTML = '<div style="padding:var(--space-3);color:var(--color-text-muted);font-size:var(--text-caption);">Sin resultados</div>';
+                resultsEl.style.display = 'block';
+                return;
+            }
+            resultsEl.innerHTML = items.map(function(it) {
+                return '<div class="purchase-search-result" style="padding:var(--space-3);cursor:pointer;border-bottom:1px solid var(--color-border);" ' +
+                    'data-id="' + it.id + '">' +
+                    '<div style="font-weight:var(--font-weight-semibold);">' + esc(it.name) + '</div>' +
+                    '<div style="font-size:var(--text-caption);color:var(--color-text-muted);">' +
+                    (it.part_number ? 'No. parte: ' + esc(it.part_number) + ' · ' : '') +
+                    (it.barcode ? 'Barcode: ' + esc(it.barcode) + ' · ' : '') +
+                    'Stock: ' + (it.stock || 0) +
+                    '</div>' +
+                    '</div>';
+            }).join('');
+            resultsEl.querySelectorAll('.purchase-search-result').forEach(function(row) {
+                row.onclick = function() {
+                    var id = parseInt(row.dataset.id);
+                    var item = items.find(function(x) { return x.id === id; });
+                    if (item) selectPurchaseItem(item);
+                };
+            });
+            resultsEl.style.display = 'block';
+        }).catch(function() {
+            resultsEl.style.display = 'none';
+        });
+    }
+
+    function wirePurchaseSearch() {
+        var input = document.getElementById('purchaseItemSearch');
+        var resultsEl = document.getElementById('purchaseItemResults');
+        if (!input) return;
+
+        input.addEventListener('input', function() {
+            if (purchaseSelectedItem && input.value !== purchaseSelectedItem.name) {
+                purchaseSelectedItem = null;
+                document.getElementById('purchaseItemId').value = '';
+                document.getElementById('purchaseItemSelected').textContent = '';
+            }
+            clearTimeout(purchaseSearchTimeout);
+            purchaseSearchTimeout = setTimeout(function() {
+                searchPurchaseItems(input.value.trim());
+            }, 250);
+        });
+
+        input.addEventListener('keydown', function(e) {
+            if (e.key === 'Enter') {
+                e.preventDefault();
+                // Try exact barcode match first
+                var query = input.value.trim();
+                if (!query) return;
+                apiFetch(API + '/items?q=' + encodeURIComponent(query) + '&per_page=20').then(function(res) {
+                    var items = (res && res.items) || [];
+                    var exact = items.find(function(it) {
+                        return (it.barcode || '').toLowerCase() === query.toLowerCase() ||
+                               (it.part_number || '').toLowerCase() === query.toLowerCase();
+                    });
+                    if (exact) {
+                        selectPurchaseItem(exact);
+                    } else if (items.length === 1) {
+                        selectPurchaseItem(items[0]);
+                    } else {
+                        searchPurchaseItems(query);
+                    }
+                });
+            } else if (e.key === 'Escape') {
+                if (resultsEl) resultsEl.style.display = 'none';
+            }
+        });
+
+        document.addEventListener('click', function(e) {
+            if (resultsEl && !input.contains(e.target) && !resultsEl.contains(e.target)) {
+                resultsEl.style.display = 'none';
+            }
+        });
     }
 
     function recordPurchase() {
@@ -506,10 +630,6 @@
             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 {
@@ -2009,4 +2129,5 @@
 
     loadItems(1);
     renderSavedFilters();
+    wirePurchaseSearch();
 })();
diff --git a/pos/templates/inventory.html b/pos/templates/inventory.html
index 6d85988..4e9409c 100644
--- a/pos/templates/inventory.html
+++ b/pos/templates/inventory.html
@@ -760,7 +760,13 @@
       </div>
       <div class="inv-modal__body">
         <div class="inv-form-grid">
-          <div class="inv-field"><label>ID Producto *</label><input type="number" id="purchaseItemId" placeholder="ID inventario" /></div>
+          <div class="inv-field inv-field--full" style="position:relative;">
+            <label>Producto *</label>
+            <input type="hidden" id="purchaseItemId" />
+            <input type="text" id="purchaseItemSearch" placeholder="Escribe nombre, No. de parte o escanea código de barras..." autocomplete="off" />
+            <div id="purchaseItemResults" style="position:absolute;left:0;right:0;top:100%;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);max-height:200px;overflow-y:auto;z-index:100;display:none;"></div>
+            <div id="purchaseItemSelected" style="margin-top:var(--space-1);font-size:var(--text-caption);color:var(--color-text-secondary);"></div>
+          </div>
           <div class="inv-field"><label>Cantidad *</label><input type="number" id="purchaseQty" placeholder="Cantidad" /></div>
           <div class="inv-field"><label>Costo Unitario *</label><input type="number" id="purchaseCost" step="0.01" placeholder="0.00" /></div>
           <div class="inv-field"><label>Factura Proveedor</label><input type="text" id="purchaseInvoice" placeholder="No. factura" /></div>
@@ -1053,7 +1059,7 @@
   <script src="/pos/static/js/pos-utils.js?v=2" defer></script>
   <script src="/pos/static/js/sidebar.js" defer></script>
   <script src="/pos/static/js/virtual-scroll.js?v=2" defer></script>
-  <script src="/pos/static/js/inventory.js?v=17" defer></script>
+  <script src="/pos/static/js/inventory.js?v=18" defer></script>
   <script src="/pos/static/js/offline-banner.js" defer></script>
   <script src="/pos/static/js/sync-engine.js" defer></script>
   <script>if('serviceWorker' in navigator){navigator.serviceWorker.register('/pos/sw.js',{scope:'/pos/'});}</script>