.App{text-align:center;background-color:#1a1a1a;color:#fff;min-height:100vh}.App-header{padding:20px;border-bottom:1px solid #444}.App-header button{padding:10px 20px;font-size:16px;cursor:pointer;background-color:#007bff;color:#fff;border:none;border-radius:5px}.loading-text{margin-top:40px;font-size:20px}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;padding:40px;max-width:1200px;margin:0 auto}.nft-card{border:1px solid #444;border-radius:10px;overflow:hidden;background-color:#282c34;box-shadow:0 4px 8px #0003;transition:transform .2s}.nft-card:hover{transform:scale(1.03)}.nft-card img{width:100%;height:300px;object-fit:cover;display:block}.nft-info{padding:15px;text-align:left}.nft-card h2{font-size:1.2em;margin-top:0;margin-bottom:10px}.nft-card p{font-size:.9em;color:#ccc;line-height:1.4}