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/AlertIcon.tsx

@@ -0,0 +1,25 @@
+'use client'
+
+import { Info, AlertTriangle, AlertCircle, LucideIcon } from 'lucide-react'
+import { Alert } from '@/lib/types'
+import { cn } from '@/lib/utils'
+
+interface AlertIconProps {
+  type: Alert['type']
+  className?: string
+}
+
+const iconMap: Record<Alert['type'], LucideIcon> = {
+  PAYMENT_DUE: AlertCircle,
+  BUDGET_WARNING: AlertTriangle,
+  CARD_CLOSING: Info,
+  CARD_DUE: AlertCircle,
+  SAVINGS_GOAL: Info,
+  UNUSUAL_SPENDING: AlertTriangle,
+}
+
+export function AlertIcon({ type, className }: AlertIconProps) {
+  const Icon = iconMap[type]
+
+  return <Icon className={cn('h-5 w-5', className)} />
+}