diff --git a/public/userarea/components/photo_modal.php b/public/userarea/components/photo_modal.php
index 46227de..93bf27e 100644
--- a/public/userarea/components/photo_modal.php
+++ b/public/userarea/components/photo_modal.php
@@ -1,4 +1,4 @@
-<div id="photoModal" class="modal">
+<div id="photoModal" class="custom-modal">
     <div class="modal-content final-wide" style="max-width:800px; position:relative;">
 
         <!-- X per chiudere -->
diff --git a/public/userarea/photos/matrici/allegati/matrice_1048_20260331_093745_62d38b1e.heic b/public/userarea/photos/matrici/allegati/matrice_1048_20260331_093745_62d38b1e.heic
new file mode 100644
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diff --git a/public/userarea/photos/matrici/allegati/matrice_1048_20260331_093745_77dc1984.heic b/public/userarea/photos/matrici/allegati/matrice_1048_20260331_093745_77dc1984.heic
new file mode 100644
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Binary files /dev/null and b/public/userarea/photos/matrici/allegati/matrice_1048_20260331_093745_77dc1984.heic differ
diff --git a/public/userarea/photos/matrici/allegati/matrice_72_20260331_092149_f8f9c3f1.jpg b/public/userarea/photos/matrici/allegati/matrice_72_20260331_092149_f8f9c3f1.jpg
new file mode 100644
index 0000000..1c036ec
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diff --git a/public/userarea/photos/matrici/allegati/matrice_72_20260331_092149_fae81802.jpg b/public/userarea/photos/matrici/allegati/matrice_72_20260331_092149_fae81802.jpg
new file mode 100644
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Binary files /dev/null and b/public/userarea/photos/matrici/allegati/matrice_72_20260331_092149_fae81802.jpg differ
diff --git a/public/userarea/production_line_view2.php b/public/userarea/production_line_view2.php
index fc39c95..a20826d 100644
--- a/public/userarea/production_line_view2.php
+++ b/public/userarea/production_line_view2.php
@@ -676,7 +676,7 @@ if (!empty($_GET['ajax'])) {
             color: #cbd5e1;
         }
 
-        .modal {
+        .custom-modal {
             display: none;
             /* di default invisibile */
             position: fixed;
@@ -691,11 +691,11 @@ if (!empty($_GET['ajax'])) {
         }
 
         /* quando la modale è attiva, la centriamo */
-        .modal.active {
+        .custom-modal.active {
             display: flex !important;
         }
 
-        .modal-content {
+        .custom-modal .modal-content {
             background: white;
             padding: 2rem;
             border-radius: 1.2rem;
@@ -795,7 +795,7 @@ if (!empty($_GET['ajax'])) {
 
 
         /* Modale più grande e ottimizzata */
-        .modal-content.final-wide {
+        .custom-modal .modal-content.final-wide {
             width: 95%;
             max-width: 780px;
         }
@@ -936,6 +936,180 @@ if (!empty($_GET['ajax'])) {
         .show-matrice-files i {
             font-size: 1.5rem;
         }
+
+        .modal-backdrop.show {
+            z-index: 1050 !important;
+        }
+
+        .modal.show {
+            z-index: 1055 !important;
+        }
+
+        .modal-worksheet-list {
+            max-width: 1320px;
+            width: 97vw;
+        }
+
+        .modal-worksheet-view {
+            max-width: 1500px;
+            width: 97vw;
+        }
+
+        .worksheet-badge-fl {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            min-width: 68px;
+            padding: 6px 12px;
+            border-radius: 999px;
+            background: #e8f7ee;
+            color: #198754;
+            font-weight: 800;
+            font-size: .85rem;
+        }
+
+        .worksheet-badge-rev {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            min-width: 54px;
+            padding: 6px 10px;
+            border-radius: 999px;
+            background: #e7f1ff;
+            color: #0d6efd;
+            font-weight: 700;
+            font-size: .84rem;
+        }
+
+        .worksheet-badge-status-active {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            min-width: 88px;
+            padding: 6px 10px;
+            border-radius: 999px;
+            background: #d1e7dd;
+            color: #0f5132;
+            font-weight: 700;
+            font-size: .84rem;
+        }
+
+        .worksheet-badge-status-inactive {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            min-width: 88px;
+            padding: 6px 10px;
+            border-radius: 999px;
+            background: #f8d7da;
+            color: #842029;
+            font-weight: 700;
+            font-size: .84rem;
+        }
+
+        .worksheet-list-table th {
+            background: #e7f1ff !important;
+            color: #0b3d91;
+        }
+
+        .worksheet-chip {
+            display: inline-flex;
+            align-items: center;
+            gap: 6px;
+            padding: 4px 10px;
+            border-radius: 999px;
+            background: #e7f1ff;
+            color: #0d6efd;
+            font-weight: 700;
+            font-size: .82rem;
+        }
+
+        .readonly-card {
+            border: 1px solid #e9ecef;
+            border-radius: 16px;
+            background: #fff;
+            overflow: hidden;
+            box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
+            height: 100%;
+        }
+
+        .readonly-card-header {
+            background: linear-gradient(135deg, #e7f1ff, #d6e9ff);
+            color: #0b3d91;
+            font-weight: 800;
+            padding: 12px 16px;
+            border-bottom: 1px solid #cfe2ff;
+        }
+
+        .readonly-card-body {
+            padding: 16px;
+            text-align: left;
+        }
+
+        .readonly-grid {
+            display: grid;
+            grid-template-columns: 220px 1fr;
+            gap: 8px 16px;
+        }
+
+        .readonly-label {
+            font-weight: 700;
+            color: #495057;
+        }
+
+        .readonly-value {
+            color: #1f2d3d;
+            word-break: break-word;
+        }
+
+        .worksheet-open-link {
+            background: #fff;
+            border: 1px solid #b6d4fe;
+            color: #0d6efd;
+            font-weight: 700;
+            border-radius: 10px;
+            padding: 9px 14px;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+        }
+
+        .worksheet-open-link:hover {
+            color: #0a58ca;
+            background: #f4f9ff;
+        }
+
+        .worksheet-title-box {
+            background: linear-gradient(135deg, #0d6efd, #3b82f6);
+            color: #fff;
+            border-radius: 18px;
+            padding: 18px 20px;
+            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.2);
+        }
+
+        .worksheet-title-box small {
+            color: rgba(255, 255, 255, .9);
+        }
+
+        .mix-readonly-table thead th {
+            background: #dbeafe !important;
+            color: #0b3d91;
+        }
+
+        .btn-view-worksheet {
+            background: linear-gradient(135deg, #0d6efd, #3b82f6);
+            color: #fff;
+            border: 0;
+            border-radius: 8px;
+            padding: 8px 14px;
+            font-weight: 700;
+        }
+
+        .btn-view-worksheet:hover {
+            color: #fff;
+            opacity: .95;
+        }
     </style>
 </head>
 
@@ -989,7 +1163,7 @@ if (!empty($_GET['ajax'])) {
     <audio id="beepSound" src="beep.wav" preload="auto"></audio>
 
     <!-- Modal di conferma azioni produzione -->
-    <div id="reasonModal" class="modal">
+    <div id="reasonModal" class="custom-modal">
         <div class="modal-content">
             <h3 id="modalTitle">Conferma azione</h3>
             <p id="modalQuestion"></p>
@@ -1034,7 +1208,7 @@ if (!empty($_GET['ajax'])) {
 
 
     <!-- Modal dati fine produzione -->
-    <div id="finalDataModal" class="modal">
+    <div id="finalDataModal" class="custom-modal">
         <div class="modal-content final-wide">
             <h3>Dati Fine Produzione</h3>
             <p>Confronta i valori teorici e inserisci quelli reali:</p>
@@ -1188,7 +1362,8 @@ if (!empty($_GET['ajax'])) {
             $("#photoModal").removeClass("active");
         });
     </script>
-
+    <?php include('include/worksheets-linked-modals.php'); ?>
+    <script src="assets/js/worksheets-linked-modals.js"></script>
     <?php include('jsinclude.php'); ?>
     <script>
         $(function() {
@@ -1517,14 +1692,11 @@ if (!empty($_GET['ajax'])) {
                     // 🔧 Sposta l'icona qualità all'estrema destra della riga
                     $('.photo-tools-row').each(function() {
                         const $row = $(this);
-                        const $qc = $row.find('.qc-btn').last(); // assume che il bottone qualità abbia classe .qc-btn
+                        const $qc = $row.find('.qc-btn.quality-btn').first();
 
                         if ($qc.length) {
-                            // la stacco dal gruppo foto
                             $qc.detach();
-                            // la ri-attacco come ultimo elemento della riga
                             $qc.appendTo($row);
-                            // le do la classe che la spinge a destra
                             $qc.addClass('qc-right');
                         }
                     });
@@ -2027,7 +2199,7 @@ if (!empty($_GET['ajax'])) {
     </script>
 
     <!-- MODALE PER PREVIEW IMMAGINE -->
-    <div id="imagePreviewModal" class="modal">
+    <div id="imagePreviewModal" class="custom-modal">
         <div class="modal-content preview-large">
 
 
@@ -2065,7 +2237,7 @@ if (!empty($_GET['ajax'])) {
 
 
     <!-- MODALE MESCOLE -->
-    <div id="mescoleModal" class="modal">
+    <div id="mescoleModal" class="custom-modal">
         <div class="modal-content" style="max-width:400px;">
             <h3>Mescole utilizzate</h3>
 
@@ -2097,7 +2269,7 @@ if (!empty($_GET['ajax'])) {
     </script>
 
     <!-- MODALE ALLEGATI MATRICE (SOLO LETTURA) -->
-    <div id="matriceFilesModal" class="modal">
+    <div id="matriceFilesModal" class="custom-modal">
         <div class="modal-content" style="width:95%; max-width:1100px; max-height:88vh; overflow:hidden; padding:0; border-radius:16px;">
 
             <div style="background:#b9ebc7; padding:1rem 1.4rem; display:flex; justify-content:space-between; align-items:center;">
@@ -2120,7 +2292,7 @@ if (!empty($_GET['ajax'])) {
         </div>
     </div>
     <!-- MODALE PREVIEW FILE -->
-    <div id="filePreviewModal" class="modal">
+    <div id="filePreviewModal" class="custom-modal">
         <div class="modal-content" style="background:#fff; max-width:1400px; width:98%; height:92vh; padding:0; overflow:hidden; text-align:left;">
             <div style="background:#b9ebc7; padding:0.9rem 1.2rem; display:flex; justify-content:space-between; align-items:center;">
                 <div id="filePreviewTitle" style="font-weight:700; color:#1f2d3d;">Anteprima file</div>
diff --git a/public/userarea/render_production_card.php b/public/userarea/render_production_card.php
index 0499e28..8e567bc 100644
--- a/public/userarea/render_production_card.php
+++ b/public/userarea/render_production_card.php
@@ -205,14 +205,27 @@ if ($matricePhoto) {
                         <?php include __DIR__ . "/components/photo_buttons.php"; ?>
                     </div>
 
-                    <!-- 📎 FILE CORRELATI MATRICE -->
-                    <button type="button"
-                        class="qc-btn show-matrice-files"
-                        data-matrice-id="<?= (int)($r['matrice_id'] ?? 0) ?>"
-                        data-matrice-nome="<?= htmlspecialchars($r['matrice'] ?? '', ENT_QUOTES) ?>"
-                        title="File matrice">
-                        <i class="bi bi-paperclip"></i>
-                    </button>
+                    <div class="matrix-side-buttons"
+                        style="margin-left:auto; display:flex; gap:0.45rem; align-items:center;">
+
+                        <!-- 📋 FOGLI DI LAVORO COLLEGATI -->
+                        <button type="button"
+                            class="qc-btn show-worksheets"
+                            data-id="<?= (int)($r['matrice_id'] ?? 0) ?>"
+                            data-nome="<?= htmlspecialchars($r['matrice'] ?? '', ENT_QUOTES) ?>"
+                            title="Fogli di lavoro collegati">
+                            <i class="bi bi-clipboard2-check"></i>
+                        </button>
+
+                        <!-- 📎 FILE CORRELATI MATRICE -->
+                        <button type="button"
+                            class="qc-btn show-matrice-files"
+                            data-matrice-id="<?= (int)($r['matrice_id'] ?? 0) ?>"
+                            data-matrice-nome="<?= htmlspecialchars($r['matrice'] ?? '', ENT_QUOTES) ?>"
+                            title="File matrice">
+                            <i class="bi bi-paperclip"></i>
+                        </button>
+                    </div>
 
                     <!-- 🎯 UN BADGE PER OGNI STRUMENTO, SUBITO DOPO LE FOTO -->
                     <?php foreach ($toolsArray as $toolName): ?>
@@ -242,24 +255,50 @@ if ($matricePhoto) {
 
         <?php else: ?>
 
-            <button class="action-btn start-btn" data-id="<?= $r['id'] ?>">AVVIA PRODUZIONE</button>
+            <div class="photo-tools-row"
+                style="margin-top:0.75rem; display:flex; flex-wrap:wrap; gap:0.6rem; align-items:center;">
 
-            <?php foreach ($toolsArray as $toolName): ?>
-                <span class="badge tools-badge"
-                    style="
-                  display:inline-block;
-                  margin-left:0.5rem;
-                  background:#0d6efd;
-                  color:#ffffff;
-                  font-size:0.78rem;
-                  font-weight:600;
-                  border-radius:999px;
-                  padding:0.30rem 0.85rem;
-                  white-space:nowrap;
-              ">
-                    <?= htmlspecialchars($toolName) ?>
-                </span>
-            <?php endforeach; ?>
+                <button class="action-btn start-btn" data-id="<?= $r['id'] ?>" style="flex:0 0 auto; min-width:240px;">
+                    AVVIA PRODUZIONE
+                </button>
+
+                <?php foreach ($toolsArray as $toolName): ?>
+                    <span class="badge tools-badge"
+                        style="
+                    background:#0d6efd;
+                    color:#ffffff;
+                    font-size:0.78rem;
+                    font-weight:600;
+                    border-radius:999px;
+                    padding:0.30rem 0.85rem;
+                    white-space:nowrap;
+                ">
+                        <?= htmlspecialchars($toolName) ?>
+                    </span>
+                <?php endforeach; ?>
+
+                <div class="matrix-side-buttons"
+                    style="margin-left:auto; display:flex; gap:0.45rem; align-items:center;">
+
+                    <!-- 📋 FOGLI DI LAVORO COLLEGATI -->
+                    <button type="button"
+                        class="qc-btn show-worksheets"
+                        data-id="<?= (int)($r['matrice_id'] ?? 0) ?>"
+                        data-nome="<?= htmlspecialchars($r['matrice'] ?? '', ENT_QUOTES) ?>"
+                        title="Fogli di lavoro collegati">
+                        <i class="bi bi-clipboard2-check"></i>
+                    </button>
+
+                    <!-- 📎 FILE CORRELATI MATRICE -->
+                    <button type="button"
+                        class="qc-btn show-matrice-files"
+                        data-matrice-id="<?= (int)($r['matrice_id'] ?? 0) ?>"
+                        data-matrice-nome="<?= htmlspecialchars($r['matrice'] ?? '', ENT_QUOTES) ?>"
+                        title="File matrice">
+                        <i class="bi bi-paperclip"></i>
+                    </button>
+                </div>
+            </div>
 
         <?php endif; ?>