.nft-gallery-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 20px;
  }
  
  .nft-gallery-header {
    background-color: #f5f7fa;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nft-gallery-header h3 {
    margin: 0;
    color: #333;
    font-size: 1.1rem;
  }
  
  .nft-gallery-refresh {
    background: none;
    border: none;
    color: #666;
    font-size: 1.2rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
  }
  
  .nft-gallery-refresh:hover {
    background-color: #eee;
    color: #9945FF;
  }
  
  .nft-gallery-body {
    padding: 20px;
  }
  
  .nft-gallery-loading,
  .nft-gallery-error,
  .nft-gallery-empty {
    padding: 20px 0;
    text-align: center;
    color: #666;
  }
  
  .nft-gallery-loading {
    position: relative;
    padding-bottom: 40px;
  }
  
  .nft-gallery-loading::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-top-color: #9945FF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
  
  .nft-gallery-error {
    color: #d73a49;
  }
  
  .nft-gallery-retry {
    background-color: #e1e4e8;
    color: #24292e;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 10px;
  }
  
  .nft-gallery-retry:hover {
    background-color: #d1d5da;
  }
  
  .nft-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
  }
  
  .nft-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
  }
  
  .nft-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }
  
  .nft-thumbnail {
    width: 100%;
    aspect-ratio: 1;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .nft-placeholder {
    font-size: 1.2rem;
    font-weight: bold;
    color: #bbb;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  }
  
  .nft-info {
    padding: 10px;
  }
  
  .nft-name {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .nft-mint {
    font-size: 0.8rem;
    color: #666;
    font-family: monospace;
  }
  
  @keyframes spin {
    to {
      transform: translateX(-50%) rotate(360deg);
    }
  }
  
  @media (max-width: 600px) {
    .nft-grid {
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
  }