diff --git a/public/userarea/matrici.php b/public/userarea/matrici.php
index a8138935..54837f69 100644
--- a/public/userarea/matrici.php
+++ b/public/userarea/matrici.php
@@ -313,53 +313,29 @@ function diffBadge($v)
             vertical-align: middle;
         }
 
+        /* Nome (2), Cliente (3), Linee (5): senza larghezza, si dividono lo spazio restante */
         /* Foto */
         #tabellaMatrici th:nth-child(1),
         #tabellaMatrici td:nth-child(1) {
             width: 90px;
-            max-width: 90px;
-        }
-
-        /* Nome */
-        #tabellaMatrici th:nth-child(2),
-        #tabellaMatrici td:nth-child(2) {
-            width: 260px;
-            max-width: 260px;
-        }
-
-        /* Cliente */
-        #tabellaMatrici th:nth-child(3),
-        #tabellaMatrici td:nth-child(3) {
-            width: 220px;
-            max-width: 220px;
         }
 
         /* Difficoltà */
         #tabellaMatrici th:nth-child(4),
         #tabellaMatrici td:nth-child(4) {
-            width: 130px;
-            max-width: 130px;
-        }
-
-        /* Linee */
-        #tabellaMatrici th:nth-child(5),
-        #tabellaMatrici td:nth-child(5) {
-            width: 220px;
-            max-width: 220px;
+            width: 120px;
         }
 
         /* Fogli */
         #tabellaMatrici th:nth-child(6),
         #tabellaMatrici td:nth-child(6) {
-            width: 120px;
-            max-width: 120px;
+            width: 110px;
         }
 
         /* Azioni */
         #tabellaMatrici th:nth-child(7),
         #tabellaMatrici td:nth-child(7) {
-            width: 260px;
-            max-width: 260px;
+            width: 270px;
         }
 
         #tabellaMatrici td:nth-child(1) img {
@@ -1681,8 +1657,40 @@ function diffBadge($v)
 
         $(document).ready(function() {
 
+            // ---- filtro difficoltà ----
+            const DIFF_BANDS = <?= json_encode(DIFF_BANDS, JSON_UNESCAPED_UNICODE) ?>;
+            const $diffFilter = $('<select id="diffFilter" class="form-select form-select-sm"></select>')
+                .append('<option value="">Difficoltà: tutte</option>');
+            Object.keys(DIFF_BANDS).forEach(k => $diffFilter.append($('<option>').val(k).text(DIFF_BANDS[k].label)));
+            $diffFilter.append('<option value="none">Non indicata</option>');
+
+            // chiamata da initComplete: la lingua italiana si carica in modo asincrono,
+            // quindi il box "Cerca" esiste solo a inizializzazione finita
+            function initDiffFilter() {
+                if (!$diffFilter.parent().length) $('#tabellaMatrici_filter').append($diffFilter);
+            }
+            initDiffFilter();
+
+            $.fn.dataTable.ext.search.push(function(settings, data, dataIndex) {
+                if (settings.nTable.id !== 'tabellaMatrici') return true;
+                const f = $diffFilter.val();
+                if (!f) return true;
+                const tr = settings.aoData[dataIndex].nTr;
+                const td = tr && tr.querySelector('td.diff-cell');
+                if (!td) return false;
+                const n = parseInt(td.getAttribute('data-diff') || '0', 10);
+                if (f === 'none') return !n;
+                const b = DIFF_BANDS[f];
+                return n >= b.min && n <= b.max;
+            });
+            $diffFilter.on('change', () => $('#tabellaMatrici').DataTable().draw());
+
             $('#tabellaMatrici').DataTable({
                 order: [],
+                autoWidth: false, // le larghezze le decide il CSS (altrimenti la colonna Azioni esce dallo schermo)
+                initComplete: function() {
+                    initDiffFilter();
+                },
                 columnDefs: [{
                     targets: 0,
                     orderable: false,
@@ -1712,27 +1720,6 @@ function diffBadge($v)
                 .attr('placeholder', 'Nome matrice, cliente…')
                 .addClass('form-control');
 
-            // ---- filtro difficoltà ----
-            const DIFF_BANDS = <?= json_encode(DIFF_BANDS, JSON_UNESCAPED_UNICODE) ?>;
-            const $diffFilter = $('<select id="diffFilter" class="form-select form-select-sm"></select>')
-                .append('<option value="">Difficoltà: tutte</option>');
-            Object.keys(DIFF_BANDS).forEach(k => $diffFilter.append($('<option>').val(k).text(DIFF_BANDS[k].label)));
-            $diffFilter.append('<option value="none">Non indicata</option>');
-            $('#tabellaMatrici_filter').append($diffFilter);
-
-            $.fn.dataTable.ext.search.push(function(settings, data, dataIndex) {
-                if (settings.nTable.id !== 'tabellaMatrici') return true;
-                const f = $diffFilter.val();
-                if (!f) return true;
-                const tr = settings.aoData[dataIndex].nTr;
-                const td = tr && tr.querySelector('td.diff-cell');
-                if (!td) return false;
-                const n = parseInt(td.getAttribute('data-diff') || '0', 10);
-                if (f === 'none') return !n;
-                const b = DIFF_BANDS[f];
-                return n >= b.min && n <= b.max;
-            });
-            $diffFilter.on('change', () => $('#tabellaMatrici').DataTable().draw());
 
             function resetFotoMatrice(photoUrl) {
                 $("#fotoMatrice").val('');