.masonry-grid {
  column-count: 4;
  column-gap: 1rem;
}
.grid-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}
.grid-item img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.filter-group {
  margin-bottom: 1rem;
}
.filter-btn {
  padding: 6px 12px;
  margin: 4px;
  border: 1px solid #ccc;
  background: #f8f8f8;
  cursor: pointer;
  border-radius: 4px;
  font-size: 14px;
}
.filter-btn.active {
  background: #0073aa;
  color: white;
  border-color: #0073aa;
}
.clear-btn {
  background: #f44336;
  color: white;
  margin-top: 1rem;
}