Fix: Implement complete fix

src/pages/Auth.tsx

@@ -14,6 +14,7 @@ import { supabase } from '@/integrations/supabase/client';
 import { useToast } from '@/hooks/use-toast';
 import { TurnstileCaptcha } from '@/components/auth/TurnstileCaptcha';
 import { notificationService } from '@/lib/notificationService';
+import { StorageWarning } from '@/components/auth/StorageWarning';
 export default function Auth() {
   const [searchParams] = useSearchParams();
   const navigate = useNavigate();
@@ -70,6 +71,11 @@ export default function Auth() {
     setSignInCaptchaToken(null);
 
     try {
+      console.log('[Auth] Attempting sign in...', {
+        email: formData.email,
+        timestamp: new Date().toISOString(),
+      });
+      
       const {
         data,
         error
@@ -80,19 +86,54 @@ export default function Auth() {
           captchaToken: tokenToUse
         }
       });
+      
       if (error) throw error;
-      toast({
-        title: "Welcome back!",
-        description: "You've been signed in successfully."
+      
+      console.log('[Auth] Sign in successful', {
+        user: data.user?.email,
+        session: !!data.session,
+        sessionExpiry: data.session?.expires_at
       });
+      
+      // Verify session was stored
+      setTimeout(async () => {
+        const { data: { session } } = await supabase.auth.getSession();
+        if (!session) {
+          console.error('[Auth] Session not found after login!');
+          toast({
+            variant: "destructive",
+            title: "Session Error",
+            description: "Login succeeded but session was not stored. Please check your browser settings and enable cookies/storage."
+          });
+        } else {
+          console.log('[Auth] Session verified after login');
+          toast({
+            title: "Welcome back!",
+            description: "You've been signed in successfully."
+          });
+        }
+      }, 500);
+      
     } catch (error: any) {
       // Reset CAPTCHA widget to force fresh token generation
       setSignInCaptchaKey(prev => prev + 1);
       
+      console.error('[Auth] Sign in error:', error);
+      
+      // Enhanced error messages
+      let errorMessage = error.message;
+      if (error.message.includes('Invalid login credentials')) {
+        errorMessage = 'Invalid email or password. Please try again.';
+      } else if (error.message.includes('Email not confirmed')) {
+        errorMessage = 'Please confirm your email address before signing in.';
+      } else if (error.message.includes('Too many requests')) {
+        errorMessage = 'Too many login attempts. Please wait a few minutes and try again.';
+      }
+      
       toast({
         variant: "destructive",
         title: "Sign in failed",
-        description: error.message
+        description: errorMessage
       });
     } finally {
       setLoading(false);
@@ -251,6 +292,7 @@ export default function Auth() {
       
       <main className="container mx-auto px-4 py-16">
         <div className="max-w-md mx-auto">
+          <StorageWarning />
           <div className="text-center mb-8">
             <div className="flex items-center justify-center gap-2 mb-4">