Ottimizza layout mobile e setup icone APK Android

- Forza orientamento landscape e blocca scroll su mobile
- Aggiunge media queries responsive per schermi <768px
- Usa 100dvh e position:fixed per layout fullscreen
- Crea setup-android-icons.sh per generazione automatica icone Android
- Configura Capacitor per landscape, disabilita splash screen
- Refactoring Dockerfile con ImageMagick per icone multi-densità

src/style.css

@@ -1,17 +1,33 @@
 :root {
   font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
-  touch-action: pan-x pan-y;
-  height: 100% 
+  touch-action: none;
+  height: 100%;
+  width: 100%;
+  overflow: hidden;
+}
+
+html {
+  height: 100%;
+  width: 100%;
+  overflow: hidden;
+  position: fixed;
 }
 
 body {
-  overscroll-behavior-y: contain;
+  overscroll-behavior: none;
   margin: 0;
+  padding: 0;
   place-items: center;
-  min-width: 320px;
   width: 100%;
-  min-height: 100vh;
+  height: 100vh;
+  height: 100dvh; /* Dynamic viewport height per mobile */
   background-color: #000;
+  overflow: hidden;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
 }
 
 button {
@@ -38,8 +54,13 @@ button:focus-visible {
 }
 
 #app {
-  margin: 0 auto;
+  margin: 0;
+  padding: 0;
   text-align: center;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+  position: relative;
 }
 .campo {
   user-select: none;
@@ -121,4 +142,45 @@ button:focus-visible {
   background-color: rgb(206, 247, 3);
   color: blue;
   border-radius: 5px;
+}
+
+/* Responsive mobile */
+@media (max-width: 768px) {
+  .hea {
+    font-size: 4vw;
+  }
+
+  .hea span {
+    padding-left: 5px;
+    padding-right: 5px;
+  }
+
+  .hea img {
+    width: 18px !important;
+  }
+
+  .punt {
+    font-size: 45vh;
+  }
+
+  .form {
+    font-size: 4vh;
+    border-top: #fff dashed 15px;
+    padding-top: 30px;
+  }
+
+  .formdiv {
+    font-size: 15vh;
+  }
+
+  .bot button {
+    font-size: 0.7em;
+    padding: 0.4em 0.8em;
+    margin-left: 3px;
+    margin-right: 3px;
+  }
+
+  .bot img {
+    width: 20px !important;
+  }
 }