diff --git a/frontend/.prettierrc  b/frontend/.prettierrc
similarity index 100%
rename from frontend/.prettierrc 
rename to frontend/.prettierrc
diff --git a/frontend/app/search/page.tsx b/frontend/app/search/page.tsx
index c602b96..9b86c32 100644
--- a/frontend/app/search/page.tsx
+++ b/frontend/app/search/page.tsx
@@ -14,6 +14,7 @@ import {
   SelectValue,
 } from "@/components/ui/select";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Alert, AlertDescription } from "@/components/ui/alert";
 import { Badge } from "@/components/ui/badge";
 import {
   Collapsible,
@@ -63,10 +64,12 @@ export default function BiomodelSearchPage() {
 
   const [results, setResults] = useState<BiomodelResult[]>([]);
   const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
   const [isAdvancedSearchOpen, setIsAdvancedSearchOpen] = useState(false);
 
   const handleSearch = async () => {
     setIsLoading(true);
+    setError(null);
     try {
       // Build query params from filters, omitting empty bmName
       const params = new URLSearchParams();
@@ -103,6 +106,7 @@ export default function BiomodelSearchPage() {
       );
       setResults(mappedResults);
     } catch (err) {
+      setError("Failed to search biomodels. Please try again.");
       setResults([]);
     } finally {
       setIsLoading(false);
@@ -382,6 +386,12 @@ export default function BiomodelSearchPage() {
           </CardContent>
         </Card>
 
+        {error && (
+          <Alert className="mb-8 border-red-200 bg-red-50">
+            <AlertDescription className="text-red-700">{error}</AlertDescription>
+          </Alert>
+        )}
+
         {/* Results Section */}
         {results.length > 0 && (
           <div className="mb-8">
diff --git a/frontend/app/signin/page.tsx b/frontend/app/signin/page.tsx
index 6cbe97e..7418efd 100644
--- a/frontend/app/signin/page.tsx
+++ b/frontend/app/signin/page.tsx
@@ -116,6 +116,7 @@ export default function SignInPage() {
                   type="button"
                   onClick={() => setShowPassword(!showPassword)}
                   className="absolute right-3 top-3 text-gray-400 hover:text-gray-600"
+                  aria-label={showPassword ? "Hide password" : "Show password"}
                 >
                   {showPassword ? (
                     <EyeOff className="h-4 w-4" />
diff --git a/frontend/app/signup/page.tsx b/frontend/app/signup/page.tsx
index d32b8ca..e2d86a0 100644
--- a/frontend/app/signup/page.tsx
+++ b/frontend/app/signup/page.tsx
@@ -198,6 +198,7 @@ export default function SignUpPage() {
                   type="button"
                   onClick={() => setShowPassword(!showPassword)}
                   className="absolute right-3 top-3 text-gray-400 hover:text-gray-600"
+                  aria-label={showPassword ? "Hide password" : "Show password"}
                 >
                   {showPassword ? (
                     <EyeOff className="h-4 w-4" />
@@ -230,6 +231,7 @@ export default function SignUpPage() {
                   type="button"
                   onClick={() => setShowConfirmPassword(!showConfirmPassword)}
                   className="absolute right-3 top-3 text-gray-400 hover:text-gray-600"
+                  aria-label={showConfirmPassword ? "Hide password" : "Show password"}
                 >
                   {showConfirmPassword ? (
                     <EyeOff className="h-4 w-4" />