add detail page

lib/widgets/filament_card.dart

@@ -27,6 +27,7 @@ class FilamentCard extends StatelessWidget {
       'purple': Colors.purple,
       'pink': Colors.pink,
       'grey': Colors.grey,
+      'brown': Colors.brown,
     };
 
     return colorMap[colorName.toLowerCase()] ?? Colors.grey;
@@ -152,7 +153,7 @@ class FilamentCard extends StatelessWidget {
                       ),
                     _buildDetailChip(
                       icon: Icons.scale,
-                      label: '${filament.weight}g',
+                      label: '${filament.weight - filament.weightUsed}g',
                       color: Colors.green,
                     ),
                     _buildDetailChip(
@@ -166,6 +167,11 @@ class FilamentCard extends StatelessWidget {
                         label: '${filament.pices} Stk.',
                         color: Colors.purple,
                       ),
+                    _buildDetailChip(
+                        icon: Icons.scale,
+                        label: '${filament.weightUsed}g',
+                        color: Colors.red,
+                      ),
                   ],
                 ),