body { background:#f5f5f5; }
.stat-card { border-radius:0.75rem; }
@media (min-width: 992px) {
  .stat-card { min-height:130px; }
}
.table-responsive { font-size:0.9rem; }
  .navbar .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
  }
  .navbar .nav-link .nav-icon {
    font-size: 1.1rem;
  }

  /* Cho cảm giác “thẻ” hơn khi active */
  .navbar .nav-link.active {
    background: rgba(255,255,255,.15);
    border-radius: 999px;
  }