.discovery-loading {
  text-align: center;
  padding: 20px;
  color: #666;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.wanted-nft-gallery {
  min-height: 100px;
  position: relative;
}

.nft-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.nft-thumbnail {
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 5px;
  transition: border-color 0.2s;
}

.nft-thumbnail:hover {
  border-color: #007bff;
}

.nft-thumbnail.selected {
  border-color: #28a745;
  background-color: #f8f9fa;
}

.nft-thumbnail img {
  width: 100%;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
}

.nft-thumbnail p {
  font-size: 10px;
  margin: 5px 0 0 0;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}