Add macOS 26 compatibility for search UI

Removed border overlay on search text field for macOS 26+ to match new design guidelines. Added conditional padding to sort label for better alignment on macOS 26+.

Shared/Search/SearchTextField.swift

@@ -93,9 +93,16 @@ struct SearchTextField: View {
             .fill(Color.background)
             .frame(height: 27)
             .overlay(
-                RoundedRectangle(cornerRadius: 5, style: .continuous)
+                Group {
-                    .stroke(Color.gray.opacity(0.4), lineWidth: 1)
+                    if #available(macOS 26, *) {
-                    .frame(height: 27)
+                        // No border for macOS 26+
+                        EmptyView()
+                    } else {
+                        RoundedRectangle(cornerRadius: 5, style: .continuous)
+                            .stroke(Color.gray.opacity(0.4), lineWidth: 1)
+                            .frame(height: 27)
+                    }
+                }
             )
     }
 

Shared/Search/SearchView.swift

@@ -212,6 +212,13 @@ struct SearchView: View {
                             HStack {
                                 Text("Sort:")
                                     .foregroundColor(.secondary)
+                                    .padding(.leading, {
+                                        if #available(macOS 26, *) {
+                                            return 12
+                                        } else {
+                                            return 0
+                                        }
+                                    }())
                                 searchSortOrderPicker
                             }
                         }