Your changes

lib/widgets/primary_button.dart

@@ -1,19 +1,62 @@
 import 'package:flutter/material.dart';
+
 class PrimaryButton extends StatelessWidget {
   final String label;
   final VoidCallback onTap;
   final bool busy;
-  const PrimaryButton({super.key, required this.label, required this.onTap, this.busy = false});
+
+  const PrimaryButton({
+    super.key,
+    required this.label,
+    required this.onTap,
+    this.busy = false,
+  });
+
   @override
   Widget build(BuildContext context) {
     return SizedBox(
       width: double.infinity,
-      child: ElevatedButton(
-        onPressed: busy ? null : onTap,
-        style: ElevatedButton.styleFrom(padding: const EdgeInsets.symmetric(vertical: 14), shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
-        child: busy ? const SizedBox(height: 18, width: 18, child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white)) : Text(label, style: const TextStyle(fontSize: 16)),
+
+      child: Container(
+        decoration: BoxDecoration(
+          gradient: const LinearGradient(
+            colors: [
+              Color(0xFF0D47A1), // Blue
+              Color(0xFF6A1B9A), // Purple
+            ],
+            begin: Alignment.topLeft,
+            end: Alignment.bottomRight,
+          ),
+          borderRadius: BorderRadius.circular(12),
+        ),
+
+        child: ElevatedButton(
+          onPressed: busy ? null : onTap,
+          style: ElevatedButton.styleFrom(
+            backgroundColor: Colors
+                .transparent, // IMPORTANT: keep transparent to see gradient
+            shadowColor: Colors.transparent,
+            padding: const EdgeInsets.symmetric(vertical: 14),
+            shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(12),
+            ),
+          ),
+
+          child: busy
+              ? const SizedBox(
+            height: 18,
+            width: 18,
+            child: CircularProgressIndicator(
+              strokeWidth: 2,
+              color: Colors.white,
+            ),
+          )
+              : Text(
+            label,
+            style: const TextStyle(fontSize: 16, color: Colors.white),
+          ),
+        ),
       ),
     );
   }
 }
-