feat: enhance backup import functionality with locking mechanism and checksum support

webapp/src/styles/responsive.css

@@ -46,6 +46,24 @@
     grid-template-columns: 1fr;
   }
 
+  .backup-browser-head {
+    display: none;
+  }
+
+  .backup-browser-meta {
+    text-align: left;
+  }
+
+  .backup-browser-actions {
+    justify-content: flex-start;
+    flex-wrap: wrap;
+  }
+
+  .backup-browser-nav {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
   .settings-twofactor-grid {
     grid-template-columns: 1fr;
   }
@@ -1110,6 +1128,24 @@
     grid-template-columns: 1fr;
   }
 
+  .backup-browser-head {
+    display: none;
+  }
+
+  .backup-browser-meta {
+    text-align: left;
+  }
+
+  .backup-browser-actions {
+    justify-content: flex-start;
+    flex-wrap: wrap;
+  }
+
+  .backup-browser-nav {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
   .backup-grid {
     gap: 8px;
     padding: 0;