Adjusted modal styling and improve responsiveness.

static/style.css

@@ -499,11 +499,13 @@ body.menu-open {
     left: 0;
     width: 100%;
     height: 100%;
-    padding: 40px 0;
+    padding: 20px 0;
     background: rgba(0, 0, 0, 0.5);
     justify-content: center;
     align-items: center;
     z-index: 2500;
+    inset: 0;
+    overflow-y: auto;
 }
 
 #weapon-form.show {
@@ -518,6 +520,8 @@ body.menu-open {
     max-width: 480px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
     position: relative;
+    max-height: calc(100vh - 40px);
+    overflow-y: auto;
 }
 
 #weapon-form h2 {