refactor: remove unnecessary print container padding for improved layout

app/ui/PrintPreview.tsx

@@ -47,10 +47,6 @@ export const PrintPreview: React.FC<PrintPreviewProps> = ({ data, year, month, t
             page-break-inside: avoid;
           }
 
-          .print-container {
-            padding: 0 !important;
-          }
-
           .print-table tr {
             page-break-inside: avoid;
             page-break-after: auto;
@@ -98,7 +94,7 @@ export const PrintPreview: React.FC<PrintPreviewProps> = ({ data, year, month, t
       </div>
 
       {/* Print content */}
-      <div className="p-6 print-container">
+      <div className="p-0">
         <table className="w-full border-collapse border-2 border-gray-800 print-table">
           <thead>
             <tr className="bg-gray-100">