.app-container{display:grid;grid-template-columns:250px 1fr 300px;gap:20px;padding:20px;background-color:#f4f7f6;min-height:100vh}.app-container .sidebar{background:#fff;padding:20px;border-radius:12px;box-shadow:0 4px 6px #0000000d;height:fit-content}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:25px}.book-card{background:#fff;border-radius:8px;overflow:hidden;transition:transform .3s ease}.book-card:hover{transform:translateY(-5px)}.book-card .book-image img{width:100%;height:250px;object-fit:cover}.book-card .book-info{padding:15px}.book-card .book-info .genre-tag{font-size:.7rem;text-transform:uppercase;color:#e67e22;font-weight:700}.book-card .book-info h2{font-size:1.1rem;margin:5px 0}@media(max-width:1024px){.app-container{grid-template-columns:1fr}}