.kth-search {
  max-width: 460px;
  margin-top: var(--s-5);
}

.kth-search .bt-meta {
  min-height: 1.4em;
  margin-top: var(--s-2);
}

.kth-tools {
  padding-bottom: var(--s-9);
}

.kth-group + .kth-group {
  margin-top: var(--s-7);
}

.kth-group h2 {
  font-size: 1.375rem;
}

.kth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-3);
  margin-top: var(--s-3);
  padding: 0;
  list-style: none;
}

.kth-card {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  height: 100%;
  padding: var(--s-4);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  color: var(--ink-muted);
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.kth-card strong {
  font-size: 1.0625rem;
  color: var(--green-800);
}

.kth-card:hover {
  border-color: var(--green-500);
}

.kth-card:hover strong {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kth-card:focus-visible {
  outline: 3px solid var(--green-500);
  outline-offset: 2px;
}

.kth-group[hidden],
.kth-item[hidden] {
  display: none;
}

@media (max-width: 900px) {
  .kth-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .kth-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .kth-card {
    transition: none;
  }
}