fix:세액 합계 카드 제거, 대시보드 4열로 변경

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

resources/views/barobill/ecard/index.blade.php

@@ -2027,7 +2027,7 @@ className="p-1 text-red-500 hover:bg-red-50 rounded transition-colors"
                 </div>
 
                 {/* Dashboard */}
-                <div className="grid grid-cols-1 md:grid-cols-3 lg:grid-cols-5 gap-6">
+                <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
                     <StatCard
                         title="총 사용금액"
                         value={formatCurrency(summary.totalAmount)}
@@ -2062,13 +2062,6 @@ className="p-1 text-red-500 hover:bg-red-50 rounded transition-colors"
                         icon={<svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636"/></svg>}
                         color="red"
                     />
-                    <StatCard
-                        title="세액 합계"
-                        value={formatCurrency(summary.totalTax)}
-                        subtext="조회기간 합계"
-                        icon={<svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z"/></svg>}
-                        color="stone"
-                    />
                     <StatCard
                         title="등록된 카드"
                         value={`${cards.length}개`}