Agrega PRIVACY.md, actualiza AGENTS.md

lib/widgets/stat_card.dart

@@ -1,10 +1,11 @@
 import 'package:flutter/material.dart';
 
-class StatCard extends StatelessWidget {
+class StatCard extends StatefulWidget {
   final String title;
   final String value;
   final IconData icon;
   final Color color;
+  final int delayMs;
 
   const StatCard({
     super.key,
@@ -12,26 +13,79 @@ class StatCard extends StatelessWidget {
     required this.value,
     required this.icon,
     required this.color,
+    this.delayMs = 0,
   });
 
+  @override
+  State<StatCard> createState() => _StatCardState();
+}
+
+class _StatCardState extends State<StatCard>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+  late Animation<double> _fadeAnim;
+  late Animation<Offset> _slideAnim;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      duration: const Duration(milliseconds: 400),
+      vsync: this,
+    );
+    _fadeAnim = Tween<double>(begin: 0, end: 1).animate(
+      CurvedAnimation(parent: _controller, curve: Curves.easeOut),
+    );
+    _slideAnim = Tween<Offset>(
+      begin: const Offset(0, 0.15),
+      end: Offset.zero,
+    ).animate(
+      CurvedAnimation(parent: _controller, curve: Curves.easeOutCubic),
+    );
+    if (widget.delayMs > 0) {
+      Future.delayed(Duration(milliseconds: widget.delayMs), () {
+        if (mounted) _controller.forward();
+      });
+    } else {
+      _controller.forward();
+    }
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Card(
-      child: Padding(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
+    final theme = Theme.of(context);
+    return FadeTransition(
+      opacity: _fadeAnim,
+      child: SlideTransition(
+        position: _slideAnim,
+        child: Card(
+          child: Padding(
+            padding: const EdgeInsets.all(16),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Icon(icon, color: color, size: 20),
-                const SizedBox(width: 8),
-                Text(title, style: Theme.of(context).textTheme.bodySmall),
+                Row(
+                  children: [
+                    Icon(widget.icon, color: widget.color, size: 20),
+                    const SizedBox(width: 8),
+                    Text(widget.title, style: theme.textTheme.bodySmall),
+                  ],
+                ),
+                const SizedBox(height: 8),
+                Text(
+                  widget.value,
+                  style: theme.textTheme.headlineSmall
+                      ?.copyWith(fontWeight: FontWeight.bold),
+                ),
               ],
             ),
-            const SizedBox(height: 8),
-            Text(value, style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold)),
-          ],
+          ),
         ),
       ),
     );