diff --git a/backend/app/Http/Controllers/Api/FinancialHealthController.php b/backend/app/Http/Controllers/Api/FinancialHealthController.php
index f148ca7..8595ced 100644
--- a/backend/app/Http/Controllers/Api/FinancialHealthController.php
+++ b/backend/app/Http/Controllers/Api/FinancialHealthController.php
@@ -87,8 +87,8 @@ private function calculateSavingsCapacity($userId)
         $data = Transaction::where('user_id', $userId)
             ->where('transaction_date', '>=', now()->subMonths(3)->startOfMonth())
             ->selectRaw("
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
             ")
             ->first();
         
@@ -136,7 +136,7 @@ private function calculateDebtControl($userId)
         
         // Ingresos mensuales promedio
         $monthlyIncome = Transaction::where('user_id', $userId)
-            ->where('transaction_type', 'credit')
+            ->where('type', 'credit')
             ->where('transaction_date', '>=', now()->subMonths(3)->startOfMonth())
             ->sum('amount') / 3;
         
@@ -288,13 +288,13 @@ private function calculateEmergencyFund($userId)
         
         // Gastos mensuales promedio
         $monthlyExpenses = Transaction::where('user_id', $userId)
-            ->where('transaction_type', 'debit')
+            ->where('type', 'debit')
             ->where('transaction_date', '>=', now()->subMonths(3)->startOfMonth())
             ->sum(fn($t) => abs($t->amount)) / 3;
         
         // Usar consulta directa para mejor rendimiento
         $monthlyExpenses = abs(Transaction::where('user_id', $userId)
-            ->where('transaction_type', 'debit')
+            ->where('type', 'debit')
             ->where('transaction_date', '>=', now()->subMonths(3)->startOfMonth())
             ->sum('amount')) / 3;
         
diff --git a/backend/app/Http/Controllers/Api/ReportController.php b/backend/app/Http/Controllers/Api/ReportController.php
index c399561..37139bc 100644
--- a/backend/app/Http/Controllers/Api/ReportController.php
+++ b/backend/app/Http/Controllers/Api/ReportController.php
@@ -29,8 +29,8 @@ public function summary(Request $request)
         $yearData = Transaction::where('user_id', $userId)
             ->whereYear('transaction_date', $year)
             ->selectRaw("
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
             ")
             ->first();
         
@@ -38,8 +38,8 @@ public function summary(Request $request)
         $lastYearData = Transaction::where('user_id', $userId)
             ->whereYear('transaction_date', $year - 1)
             ->selectRaw("
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
             ")
             ->first();
         
@@ -78,7 +78,7 @@ public function byCategory(Request $request)
         
         $data = Transaction::where('user_id', $userId)
             ->whereBetween('transaction_date', [$startDate, $endDate])
-            ->where('transaction_type', $type)
+            ->where('type', $type)
             ->whereNotNull('category_id')
             ->join('categories', 'transactions.category_id', '=', 'categories.id')
             ->selectRaw("
@@ -134,8 +134,8 @@ public function monthlyEvolution(Request $request)
             ->where('transaction_date', '>=', now()->subMonths($months)->startOfMonth())
             ->selectRaw("
                 DATE_FORMAT(transaction_date, '%Y-%m') as month,
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
             ")
             ->groupBy('month')
             ->orderBy('month')
@@ -176,7 +176,7 @@ public function byDayOfWeek(Request $request)
         $months = $request->get('months', 6);
         
         $data = Transaction::where('user_id', $userId)
-            ->where('transaction_type', 'debit')
+            ->where('type', 'debit')
             ->where('transaction_date', '>=', now()->subMonths($months))
             ->selectRaw("
                 DAYOFWEEK(transaction_date) as day_num,
@@ -214,7 +214,7 @@ public function topExpenses(Request $request)
         $limit = $request->get('limit', 20);
         
         $transactions = Transaction::where('user_id', $userId)
-            ->where('transaction_type', 'debit')
+            ->where('type', 'debit')
             ->whereBetween('transaction_date', [$startDate, $endDate])
             ->with(['category', 'account'])
             ->orderByRaw('ABS(amount) DESC')
@@ -259,8 +259,8 @@ public function comparePeriods(Request $request)
             return Transaction::where('user_id', $userId)
                 ->whereBetween('transaction_date', [$start, $end])
                 ->selectRaw("
-                    SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                    SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense,
+                    SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                    SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense,
                     COUNT(*) as transactions
                 ")
                 ->first();
@@ -315,15 +315,15 @@ public function accountsReport(Request $request)
             $recentActivity = Transaction::where('account_id', $account->id)
                 ->orderBy('transaction_date', 'desc')
                 ->limit(5)
-                ->get(['id', 'description', 'amount', 'transaction_type', 'transaction_date']);
+                ->get(['id', 'description', 'amount', 'type', 'transaction_date']);
             
             // Movimientos del mes
             $monthStats = Transaction::where('account_id', $account->id)
                 ->whereMonth('transaction_date', now()->month)
                 ->whereYear('transaction_date', now()->year)
                 ->selectRaw("
-                    SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                    SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                    SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                    SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
                 ")
                 ->first();
             
@@ -362,10 +362,10 @@ public function projection(Request $request)
             ->where('transaction_date', '>=', now()->subMonths($months)->startOfMonth())
             ->where('transaction_date', '<', now()->startOfMonth())
             ->selectRaw("
-                AVG(CASE WHEN transaction_type = 'credit' THEN amount ELSE NULL END) as avg_income,
-                AVG(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE NULL END) as avg_expense,
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) / ? as monthly_income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) / ? as monthly_expense
+                AVG(CASE WHEN type = 'credit' THEN amount ELSE NULL END) as avg_income,
+                AVG(CASE WHEN type = 'debit' THEN ABS(amount) ELSE NULL END) as avg_expense,
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) / ? as monthly_income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) / ? as monthly_expense
             ", [$months, $months])
             ->first();
         
@@ -374,8 +374,8 @@ public function projection(Request $request)
             ->whereMonth('transaction_date', now()->month)
             ->whereYear('transaction_date', now()->year)
             ->selectRaw("
-                SUM(CASE WHEN transaction_type = 'credit' THEN amount ELSE 0 END) as income,
-                SUM(CASE WHEN transaction_type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
+                SUM(CASE WHEN type = 'credit' THEN amount ELSE 0 END) as income,
+                SUM(CASE WHEN type = 'debit' THEN ABS(amount) ELSE 0 END) as expense
             ")
             ->first();
         
@@ -427,8 +427,8 @@ public function recurringReport(Request $request)
             ->with(['category', 'account'])
             ->get();
         
-        $monthlyIncome = $templates->where('transaction_type', 'credit')->sum('amount');
-        $monthlyExpense = $templates->where('transaction_type', 'debit')->sum(fn($t) => abs($t->amount));
+        $monthlyIncome = $templates->where('type', 'credit')->sum('amount');
+        $monthlyExpense = $templates->where('type', 'debit')->sum(fn($t) => abs($t->amount));
         
         return response()->json([
             'templates' => $templates->map(function($t) {
@@ -436,7 +436,7 @@ public function recurringReport(Request $request)
                     'id' => $t->id,
                     'description' => $t->description,
                     'amount' => abs($t->amount),
-                    'type' => $t->transaction_type,
+                    'type' => $t->type,
                     'frequency' => $t->frequency,
                     'category' => $t->category ? $t->category->name : null,
                     'next_date' => $t->next_occurrence_date,
diff --git a/backend/app/Models/Budget.php b/backend/app/Models/Budget.php
index 2e4a9ab..a5bffa5 100644
--- a/backend/app/Models/Budget.php
+++ b/backend/app/Models/Budget.php
@@ -58,7 +58,7 @@ public function getSpentAmountAttribute()
     {
         // Calcular el gasto real de las transacciones
         $query = Transaction::where('user_id', $this->user_id)
-            ->where('transaction_type', 'debit')
+            ->where('type', 'debit')
             ->whereYear('transaction_date', $this->year);
         
         if ($this->period_type === 'monthly' && $this->month) {