.custom-table-wrapper {
  max-height: 400px;
  overflow-y: auto;
  border-bottom-left-radius: 1rem;
  border-bottom-right-radius: 1rem;
}

.custom-results-table thead th {
  position: sticky;
  top: 0;
  background-color: #f8f9fa;
  z-index: 2;
  padding: 0.75rem 1rem;
  text-align: left;
}

.custom-results-table thead tr th {
  position: sticky;
  top: 0;
  background-color: #f8f9fa;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #dee2e6;
}

.custom-results-table tbody td {
  padding: 0.75rem 1rem;
  background-color: white;
  border-top: 1px solid #dee2e6;
}

.custom-results-table tr:hover {
  background-color: #f1f3f5;
}

.clickable-row {
  cursor: pointer;
}

.badge-cefr {
  padding: 0.25em 0.5em;
  border-radius: 0.5rem;
  font-size: 0.8em;
  font-weight: bold;
  color: #fff;
}

.badge-n { background-color: #6c757d; }
.level-a1, .level-a2 { background-color: #28a745; }
.level-b1, .level-b2 {
  background-color: #ffc107;
  color: #212529;
}
.level-c1, .level-c2 { background-color: #dc3545; }

@media (max-width: 576px) {
  .carousel-item .col {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .carousel-item .row {
    margin: 0; /* remove side margins on mobile */
  }
  .card {
    padding-bottom: 1rem; /* less space below cards on mobile */
  }
}