Initial commit: unionflow-mobile-apps

Application Flutter complète (sans build artifacts).

Signed-off-by: lions dev Team

lib/shared/design_system/components/buttons/uf_secondary_button.dart

@@ -0,0 +1,80 @@
+/// UnionFlow Secondary Button - Bouton secondaire
+/// 
+/// Bouton secondaire avec la couleur Indigo (#6366F1)
+/// Utilisé pour les actions secondaires (annuler, retour, etc.)
+library uf_secondary_button;
+
+import 'package:flutter/material.dart';
+import '../../unionflow_design_system.dart';
+
+/// Bouton secondaire UnionFlow
+class UFSecondaryButton extends StatelessWidget {
+  final String label;
+  final VoidCallback? onPressed;
+  final bool isLoading;
+  final IconData? icon;
+  final bool isFullWidth;
+  final double? height;
+
+  const UFSecondaryButton({
+    super.key,
+    required this.label,
+    this.onPressed,
+    this.isLoading = false,
+    this.icon,
+    this.isFullWidth = false,
+    this.height,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: isFullWidth ? double.infinity : null,
+      height: height ?? SpacingTokens.buttonHeightLarge,
+      child: ElevatedButton(
+        onPressed: isLoading ? null : onPressed,
+        style: ElevatedButton.styleFrom(
+          backgroundColor: AppColors.brandGreen, 
+          foregroundColor: Colors.white, 
+          disabledBackgroundColor: AppColors.brandGreen.withOpacity(0.5),
+          disabledForegroundColor: Colors.white.withOpacity(0.7),
+          elevation: SpacingTokens.elevationSm,
+          shadowColor: AppColors.darkBorder.withOpacity(0.1),
+          padding: const EdgeInsets.symmetric(
+            horizontal: SpacingTokens.buttonPaddingHorizontal,
+            vertical: SpacingTokens.buttonPaddingVertical,
+          ),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(SpacingTokens.radiusLg),
+          ),
+        ),
+        child: isLoading
+            ? const SizedBox(
+                height: 20,
+                width: 20,
+                child: CircularProgressIndicator(
+                  strokeWidth: 2,
+                  valueColor: AlwaysStoppedAnimation<Color>(
+                    Colors.white,
+                  ),
+                ),
+              )
+            : Row(
+                mainAxisSize: MainAxisSize.min,
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  if (icon != null) ...[
+                    Icon(icon, size: 20),
+                    const SizedBox(width: SpacingTokens.md),
+                  ],
+                  Text(
+                    label,
+                    style: AppTypography.actionText,
+                  ),
+                ],
+              ),
+      ),
+    );
+  }
+}
+