body { background: #f7f9fc; font-family: Arial, sans-serif; }
.container { max-width: 1100px; }
.card { box-shadow: 0 2px 6px rgba(13,38,59,0.08); }
.table-summary th, .table-summary td { text-align: center; }
/* small responsive tweaks */
@media (max-width: 768px) {
  .row .col { margin-bottom: 10px; }
}