diff --git a/templates/index.html b/templates/index.html
index 46aae70..27a5720 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -6,82 +6,54 @@
     <style>
         body { font-family: sans-serif; background-color: #f4f7f6; padding: 20px; }
         .container { display: flex; max-width: 900px; margin: auto; background: white; padding: 20px; border: 1px solid #ccc; gap: 20px; }
-        .input-panel { flex: 1; }
-        .output-panel { flex: 1; border: 1px solid #999; padding: 15px; min-height: 350px; background: #fff; white-space: pre-wrap; }
-        table { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
-        td { padding: 4px; vertical-align: middle; }
+        .panel { flex: 1; }
+        .output { border: 1px solid #999; padding: 15px; min-height: 350px; white-space: pre-wrap; }
         input, select { padding: 4px; border: 1px solid #ccc; width: 100%; box-sizing: border-box; }
-        .btn-calc { margin-top: 15px; padding: 10px; width: 100%; cursor: pointer; background: #eee; border: 1px solid #999; }
-        .btn-action { padding: 8px; cursor: pointer; background: #f9f9f9; border: 1px solid #ccc; flex: 1; }
-        hr { border: 0; border-top: 1px solid #ccc; margin: 15px 0; }
+        .btn-stampa { padding: 10px; cursor: pointer; background: #fff3e0; border: 1px solid #999; flex: 1; }
     </style>
 </head>
 <body>
     <div class="container">
-        <div class="input-panel">
+        <div class="panel">
             <form method="POST">
                 <table>
                     <tr><td>Larghezza</td><td><input type="text" name="l" value="{{form.get('l','1')}}"></td><td><select name="ul"><option value="m">m</option></select></td></tr>
                     <tr><td>Profondità</td><td><input type="text" name="p" value="{{form.get('p','1')}}"></td><td><select name="up"><option value="m">m</option></select></td></tr>
                     <tr><td>Altezza</td><td><input type="text" name="a" value="{{form.get('a','1')}}"></td><td><select name="ua"><option value="m">m</option></select></td></tr>
+                    <tr><td colspan="3"><hr></td></tr>
+                    <tr><td>P. Cemento</td><td><input type="text" name="p_cem" value="{{form.get('p_cem','1')}}"></td></tr>
+                    <tr><td>P. Sabbia</td><td><input type="text" name="p_sab" value="{{form.get('p_sab','3')}}"></td></tr>
+                    <tr><td>P. Ghiaia</td><td><input type="text" name="p_ghi" value="{{form.get('p_ghi','5')}}"></td></tr>
                 </table>
-                <hr>
-                <table>
-                    <tr><td>Parte Cemento</td><td><input type="text" name="p_cem" value="{{form.get('p_cem','1')}}"></td></tr>
-                    <tr><td>Parte Sabbia</td><td><input type="text" name="p_sab" value="{{form.get('p_sab','3')}}"></td></tr>
-                    <tr><td>Parte Ghiaia</td><td><input type="text" name="p_ghi" value="{{form.get('p_ghi','5')}}"></td></tr>
-                </table>
-                <hr>
-                <table>
-                    <tr><td>Peso Cemento (kg)</td><td><input type="text" name="w_cem" value="{{form.get('w_cem','25')}}"></td></tr>
-                    <tr><td>Peso Sabbia (kg)</td><td><input type="text" name="w_sab" value="{{form.get('w_sab','25')}}"></td></tr>
-                    <tr><td>Peso Ghiaia (kg)</td><td><input type="text" name="w_ghi" value="{{form.get('w_ghi','25')}}"></td></tr>
-                </table>
-                <button type="submit" class="btn-calc">Calcola</button>
+                <button type="submit" style="width:100%; padding:10px;">Calcola</button>
             </form>
         </div>
-
-        <div class="output-panel">
-<strong>Risultati del Calcolo:</strong>
+        <div class="panel output">
+<strong>Risultati:</strong>
 {% if res %}
---- Dettagli Gettata ---
-Volume totale: {{ res.vol }} m3
-Peso stimato: {{ res.peso }} kg
-
---- Totale Materiali ---
+Volume: {{ res.vol }} m3 | Peso: {{ res.peso }} kg
 Cemento: {{ res.s_cem }} sacchetti
 Sabbia: {{ res.s_sab }} sacchetti
 Ghiaia: {{ res.s_ghi }} sacchetti
 <strong>TOTALE: {{ res.tot_sacc }} sacchetti</strong>
 
 <div style="display:flex; gap:10px; margin-top:20px;">
-    <form action="/download" method="POST" style="flex:1; display:flex;">
-        <input type="hidden" name="res_vol" value="{{res.vol}}">
-        <input type="hidden" name="res_tot_s" value="{{res.tot_sacc}}">
-        <button type="submit" class="btn-action">Stampa TXT</button>
-    </form>
-    <button type="button" onclick="stampaCups()" class="btn-action" style="background:#fff3e0;">Stampa PDF (CUPS)</button>
+    <button type="button" onclick="stampa()" class="btn-stampa">Stampa PDF (CUPS)</button>
 </div>
-<div id="status" style="margin-top:10px; font-size:12px; font-weight:bold; text-align:center;"></div>
-{% else %}
-<p style="color:#999; text-align:center; margin-top:50px;">Premi "Calcola" per i risultati.</p>
+<div id="status" style="margin-top:10px; font-weight:bold; text-align:center;"></div>
 {% endif %}
         </div>
     </div>
-
     <script>
-    function stampaCups() {
+    function stampa() {
         const s = document.getElementById('status');
-        s.innerText = "Invio alla stampante...";
+        s.innerText = "Invio...";
         const fd = new FormData();
-        fd.append('res_vol', '{{res.vol if res else ""}}');
-        fd.append('res_tot_s', '{{res.tot_sacc if res else ""}}');
-        
+        fd.append('v', '{{res.vol if res else ""}}');
+        fd.append('p', '{{res.peso if res else ""}}');
+        fd.append('ts', '{{res.tot_sacc if res else ""}}');
         fetch('/stampa_pdf', { method: 'POST', body: fd })
-        .then(r => r.text()).then(m => { 
-            s.innerText = m;
-            s.style.color = m.includes("OK") ? "green" : "red";
-        });
+        .then(r => r.text()).then(m => { s.innerText = m; s.style.color = m.includes("OK") ? "green" : "red"; });
     }
     </script>
 </body>
