fix(user): referral register links and iPhone login scroll

Use register=true in invite URLs and adjust mobile login layout so the signup button stays reachable on iOS.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/login/index.vue

@@ -88,24 +88,26 @@ onUnmounted(() => {
 
     .desktopConfig,
     .app-main,
-    .login-page-root {
-      min-height: 100dvh !important;
-      height: auto !important;
-      max-height: none !important;
+    .login-page-root,
+    .dauth.dauth--boursecu {
+      min-height: 0 !important;
+      height: 100dvh !important;
+      max-height: 100dvh !important;
       overflow-x: hidden !important;
       overflow-y: auto !important;
+      -webkit-overflow-scrolling: touch;
       background: #0b192e !important;
     }
 
-    .dauth--boursecu {
-      flex: 1 1 auto;
-      min-height: 100dvh !important;
-    }
-
     .app-credit-footer--mobile,
     .app-credit-footer--login {
       display: none !important;
     }
+
+    /* بنر نصب روی لاگین منوی پایین ندارد؛ وگرنه روی فیلد و دکمهٔ ثبت‌نام می‌نشیند */
+    .pwa-install-banner {
+      bottom: calc(12px + env(safe-area-inset-bottom, 0px)) !important;
+    }
   }
 }
 </style>