diff --git a/public/userarea/gridRenderer.js b/public/userarea/gridRenderer.js
index fc29900c..4e4d73af 100644
--- a/public/userarea/gridRenderer.js
+++ b/public/userarea/gridRenderer.js
@@ -1103,8 +1103,13 @@
                 const isApiField = !!fixedFieldApiConfig[col.key];
                 if (isApiField) {
                     const tipo = clientFieldTipoMap[col.key] || "";
+                    const isClientSourced =
+                        fixedFieldApiConfig[col.key]?.source === "clients";
+                    const clientCls = isClientSourced
+                        ? " client-select searchable-client"
+                        : "";
                     cell.innerHTML =
-                        `<select class="custom-field dropdown-select api-fixed-select fixed-top" data-column="fixed_${col.key}" data-fixed-key="${col.key}" data-client-tipo="${tipo}"><option value="">Seleziona...</option></select>` +
+                        `<select class="custom-field dropdown-select api-fixed-select fixed-top${clientCls}" data-column="fixed_${col.key}" data-fixed-key="${col.key}" data-client-tipo="${tipo}"><option value="">Seleziona...</option></select>` +
                         `<button type="button" class="propagate-btn" data-column="fixed_${col.key}" data-col-index="${colIdx}"><i class="fas fa-arrow-down"></i></button>`;
                 } else {
                     cell.innerHTML =
diff --git a/public/userarea/imported.php b/public/userarea/imported.php
index 247fb490..9b20a8dc 100644
--- a/public/userarea/imported.php
+++ b/public/userarea/imported.php
@@ -1396,17 +1396,8 @@ $gridMeta = [
                 <div class="card radius-10">
                     <div class="card-header">
                         <div class="d-flex align-items-center" style="min-height: 42px; gap: 12px;">
-                            <div class="dropdown actions-dropdown" style="flex-shrink: 0;">
-                                <button class="dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
-                                    <i class="fas fa-cogs"></i> Actions
-                                </button>
-                                <ul class="dropdown-menu dropdown-menu-end">
-
-                                    <li><a class="dropdown-item export-all-lims-btn" href="#"><i class="fas fa-upload" style="color: #eb0b0b;"></i>Export All</a></li>
-
-                                    <li><a class="dropdown-item save-all-btn" href="#"><i class="fas fa-save" style="color: #28a745;"></i>Save All</a></li>
-                                </ul>
-                            </div>
+                            <a href="#" class="btn btn-outline-danger btn-sm export-all-lims-btn" style="flex-shrink:0;"><i class="fas fa-upload"></i> Export All</a>
+                            <a href="#" class="btn btn-outline-success btn-sm save-all-btn" style="flex-shrink:0;"><i class="fas fa-save"></i> Save All</a>
                             <button type="button" class="btn btn-outline-success btn-sm" id="addRowBtn" style="flex-shrink:0;"><i class="fas fa-plus"></i> Add Row</button>
                             <div id="unsavedChanges" style="display:none; color: red; font-weight: bold; font-size: 13px;">
                                 ⚠️ Unsaved changes detected!
diff --git a/public/userarea/partsTable.js b/public/userarea/partsTable.js
index ff158bfa..bcd6b6c8 100644
--- a/public/userarea/partsTable.js
+++ b/public/userarea/partsTable.js
@@ -968,26 +968,24 @@ $(document).ready(function () {
     // ===================
     $(document).on("click", ".add-row-global", function (e) {
         e.preventDefault();
-        const maxPartNumber = Math.max(
-            ...$("#partsTableBody tr")
-                .map(function () {
-                    return parseInt($(this).find(".part-number").val()) || 0;
-                })
-                .get(),
-        );
+        const partNumbers = $("#partsTableBody tr")
+            .map(function () {
+                return parseInt($(this).find(".part-number").val()) || 0;
+            })
+            .get();
+        const maxPartNumber = partNumbers.length ? Math.max(...partNumbers) : 0;
         addNewRow(maxPartNumber + 1, false); // Riga normale
     });
 
     $(document).on("click", ".add-mix-global", function (e) {
         e.preventDefault();
 
-        const maxPartNumber = Math.max(
-            ...$("#partsTableBody tr")
-                .map(function () {
-                    return parseInt($(this).find(".part-number").val()) || 0;
-                })
-                .get(),
-        );
+        const partNumbers = $("#partsTableBody tr")
+            .map(function () {
+                return parseInt($(this).find(".part-number").val()) || 0;
+            })
+            .get();
+        const maxPartNumber = partNumbers.length ? Math.max(...partNumbers) : 0;
 
         // Crea la riga Mix
         addNewRow(maxPartNumber + 1, true);
@@ -1479,13 +1477,10 @@ $(document).ready(function () {
     // OTHER TABLE HANDLERS
     // ===================
     function updateRowButtons() {
-        const rowCount = $("#partsTableBody tr").length;
+        // Il cestino è sempre visibile: è permesso eliminare anche l'ultima parte rimasta.
         $("#partsTableBody tr").each(function () {
             const $row = $(this);
-            $row.find(".remove-row").css(
-                "display",
-                rowCount > 1 ? "inline-block" : "none",
-            );
+            $row.find(".remove-row").css("display", "inline-block");
         });
     }