add detail page

lib/widgets/action_button.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+
+class ActionButton extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final Color color;
+  final VoidCallback onPressed;
+  final bool isOutlined;
+
+  const ActionButton({
+    super.key,
+    required this.icon,
+    required this.label,
+    required this.color,
+    required this.onPressed,
+    this.isOutlined = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ElevatedButton.icon(
+      onPressed: onPressed,
+      icon: Icon(icon, size: 20),
+      label: Text(
+        label,
+        style: TextStyle(
+          fontSize: 15,
+          fontWeight: FontWeight.w600,
+        ),
+      ),
+      style: ElevatedButton.styleFrom(
+        backgroundColor: isOutlined ? Colors.white : color,
+        foregroundColor: isOutlined ? color : Colors.white,
+        padding: EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(12),
+          side: isOutlined
+              ? BorderSide(color: color, width: 2)
+              : BorderSide.none,
+        ),
+        elevation: isOutlined ? 0 : 3,
+        shadowColor: color.withAlpha(140),
+      ),
+    );
+  }
+}