Increase pie chart size

Make the pie charts in ExpenseChart and PaymentMethodChart components slightly larger.

src/pages/Analytics.tsx

@@ -1,4 +1,3 @@
-
 import React, { useState, useEffect } from 'react';
 import NavBar from '@/components/NavBar';
 import ExpenseChart from '@/components/ExpenseChart';
@@ -145,14 +144,14 @@ const Analytics = () => {
         
         {/* Category Pie Chart */}
         <h2 className="text-lg font-semibold mb-3">카테고리별 지출</h2>
-        <div className="w-full">
+        <div className="w-full mb-8">
           {expenseData.some(item => item.value > 0) ? <ExpenseChart data={expenseData} /> : <div className="neuro-card h-52 w-full flex items-center justify-center text-gray-400">
               <p>데이터가 없습니다</p>
             </div>}
         </div>
         
         {/* 결제 방법 차트 추가 */}
-        <h2 className="text-lg font-semibold mb-3 mt-6">결제 방법별 지출</h2>
+        <h2 className="text-lg font-semibold mb-3">결제 방법별 지출</h2>
         <PaymentMethodChart 
           data={paymentMethodData} 
           isEmpty={!hasPaymentData}