feat: initial commit - finanzas app

Complete personal finance management application with:
- Dashboard with financial metrics and alerts
- Credit card management and payments
- Fixed and variable debt tracking
- Monthly budget planning
- Intelligent alert system
- Responsive design with Tailwind CSS

Tech stack: Next.js 14, TypeScript, Zustand, Recharts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

components/alerts/AlertBadge.tsx

@@ -0,0 +1,32 @@
+'use client'
+
+import { cn } from '@/lib/utils'
+
+interface AlertBadgeProps {
+  count: number
+  variant?: 'default' | 'dot'
+}
+
+export function AlertBadge({ count, variant = 'default' }: AlertBadgeProps) {
+  if (count === 0) {
+    return null
+  }
+
+  if (variant === 'dot') {
+    return (
+      <span className="absolute -top-1 -right-1 h-3 w-3 rounded-full bg-red-500 animate-pulse" />
+    )
+  }
+
+  return (
+    <span
+      className={cn(
+        'inline-flex items-center justify-center min-w-[20px] h-5 px-1.5',
+        'rounded-full bg-red-500 text-white text-xs font-medium',
+        'animate-pulse'
+      )}
+    >
+      {count > 99 ? '99+' : count}
+    </span>
+  )
+}