feat: implement login and dashboard screens, introducing GlassContainer and TvFocusableCard widgets.

lib/core/widgets/glass_container.dart

@@ -0,0 +1,58 @@
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import '../theme/app_colors.dart';
+import '../theme/app_theme.dart';
+
+class GlassContainer extends StatelessWidget {
+  final Widget child;
+  final double? width;
+  final double? height;
+  final EdgeInsetsGeometry padding;
+  final EdgeInsetsGeometry? margin;
+  final double borderRadius;
+  final double opacity;
+  final Color? borderColor;
+  final bool border;
+
+  const GlassContainer({
+    super.key,
+    required this.child,
+    this.width,
+    this.height,
+    this.padding = const EdgeInsets.all(16),
+    this.margin,
+    this.borderRadius = 16.0,
+    this.opacity = 0.6,
+    this.borderColor,
+    this.border = true,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: width,
+      height: height,
+      margin: margin,
+      child: ClipRRect(
+        borderRadius: BorderRadius.circular(borderRadius),
+        child: BackdropFilter(
+          filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
+          child: Container(
+            padding: padding,
+            decoration: BoxDecoration(
+              color: AppColors.surface.withOpacity(opacity),
+              borderRadius: BorderRadius.circular(borderRadius),
+              border: border
+                  ? Border.all(
+                      color: borderColor ?? Colors.white.withOpacity(0.1),
+                      width: 1,
+                    )
+                  : null,
+            ),
+            child: child,
+          ),
+        ),
+      ),
+    );
+  }
+}