Refactor category budget input size

Reduced the font size of the budget input in the category budget settings card.

src/components/CategoryBudgetInputs.tsx

@@ -34,7 +34,7 @@ const CategoryBudgetInputs: React.FC<CategoryBudgetInputsProps> = ({
             value={formatWithCommas(categoryBudgets[category] || 0)} 
             onChange={(e) => handleInput(e, category)}
             placeholder="예산 입력"
-            className="neuro-pressed max-w-[150px]" 
+            className="neuro-pressed max-w-[150px] text-xs" 
           />
         </div>
       ))}