.ngf-catalog { margin-block: var(--ngf-sp-10); }

.ngf-catalog__layout {
  display: grid;
  /* 250, not 240: at 240 the "Courses & Workshops" radio row on /events wraps
     to two lines. Shared by /data/tools, /news, /events and
     /geophysical-events, so this moves all four. */
  grid-template-columns: 250px 1fr;
  gap: var(--ngf-sp-8);
  align-items: start;
}
@media (max-width: 860px) {
  .ngf-catalog__layout { grid-template-columns: 1fr; }
}

.ngf-catalog__sidebar { position: sticky; top: var(--ngf-sp-6); }
@media (max-width: 860px) {
  /* Layout is single-column below this point (sidebar stacks above main) —
     sticky here just pins the filter box in place while cards scroll past
     and show through the gaps between them. */
  .ngf-catalog__sidebar { position: static; }
}

.ngf-catfilter {
  display: flex;
  flex-direction: column;
  gap: var(--ngf-sp-6);
  padding: var(--ngf-sp-5);
  background: var(--ngf-bg-subtle);
  border: 1px solid var(--ngf-border);
  border-radius: var(--ngf-r-lg);
}
.ngf-catfilter__group { display: flex; flex-direction: column; gap: var(--ngf-sp-2); }
.ngf-catfilter__label {
  font-family: var(--ngf-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ngf-fg-3);
  margin-bottom: 2px;
}
.ngf-catcheck {
  display: flex;
  align-items: center;
  gap: var(--ngf-sp-2);
  font-size: 0.84375rem;
  color: var(--ngf-fg-2);
  cursor: pointer;
}
.ngf-catcheck input { accent-color: var(--ngf-geodetic-600); width: 15px; height: 15px; flex-shrink: 0; }
.ngf-catcheck:hover span { color: var(--ngf-ink-900); }

.ngf-catfilter__reset {
  align-self: flex-start;
  border: none;
  background: none;
  padding: 0;
  font-family: var(--ngf-font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ngf-geodetic-600);
  cursor: pointer;
  text-decoration: underline;
}

.ngf-catalog__toolbar {
  display: flex;
  align-items: center;
  gap: var(--ngf-sp-4);
  margin-bottom: var(--ngf-sp-4);
}
.ngf-catalog__search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--ngf-sp-2);
  padding: var(--ngf-sp-2) var(--ngf-sp-4);
  border: 1px solid var(--ngf-border);
  border-radius: var(--ngf-r-md);
  background: var(--ngf-white);
  color: var(--ngf-fg-3);
}
.ngf-catalog__search:focus-within { border-color: var(--ngf-geodetic-500); color: var(--ngf-geodetic-600); }
.ngf-catalog__search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.875rem;
  color: var(--ngf-ink-900);
  background: transparent;
}
.ngf-catalog__count {
  font-family: var(--ngf-font-mono);
  font-size: 0.75rem;
  color: var(--ngf-fg-3);
  white-space: nowrap;
}
.ngf-catalog__empty {
  padding: var(--ngf-sp-8);
  text-align: center;
  color: var(--ngf-fg-3);
  font-size: 0.875rem;
}

.ngf-darows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}