add signup.dart

lib/pages/signup.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+
+
+Widget _buildTextField({
+  required bool isDarkMode,
+  required TextEditingController controller,
+  required String hintText,
+  bool obscureText = false,
+  TextInputType? keyboardType,
+  required IconData prefixIcon,
+  Widget? suffixIcon,
+  String? Function(String?)? validator,
+}) {
+  final primaryColor = Color(0xFF137FEC);
+  final textColor = isDarkMode ? Colors.white : Color(0xFF101922);
+  final placeholderColor = isDarkMode ? Colors.white70 : Colors.black54;
+  final inputBackgroundColor = isDarkMode
+      ? Color(0xFF1C2A3A)
+      : Color(0xFFF3F6F9);
+
+  return TextFormField(
+    controller: controller,
+    obscureText: obscureText,
+    keyboardType: keyboardType,
+    style: TextStyle(color: textColor, fontFamily: 'Poppins'),
+    validator: validator,
+    decoration: InputDecoration(
+      hintText: hintText,
+      hintStyle: TextStyle(color: placeholderColor, fontFamily: 'Poppins'),
+      filled: true,
+      fillColor: inputBackgroundColor,
+      prefixIcon: Icon(prefixIcon, color: placeholderColor),
+      suffixIcon: suffixIcon,
+      border: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(12),
+        borderSide: BorderSide.none,
+      ),
+      focusedBorder: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(12),
+        borderSide: BorderSide(color: primaryColor, width: 2),
+      ),
+      errorBorder: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(12),
+        borderSide: BorderSide(color: Colors.redAccent, width: 1),
+      ),
+      focusedErrorBorder: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(12),
+        borderSide: BorderSide(color: Colors.redAccent, width: 2),
+      ),
+      contentPadding: const EdgeInsets.symmetric(vertical: 18, horizontal: 16),
+    ),
+  );
+}