.book-card{cursor:pointer;border-radius:.5rem;outline:none;height:450px;transition:all .3s ease-in-out;position:relative;overflow:hidden;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.book-card:hover{box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.book-card:active{transform:scale(.98);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.book-card.selected{z-index:10;transform:scale(1.2);box-shadow:0 0 1px 2px #000,0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.dark .book-card.selected{box-shadow:0 0 1px 2px #fff,0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.book-cover{width:100%;height:100%;transition:transform .3s ease-in-out;position:absolute;inset:0}.book-card:hover .book-cover{transform:scale(1.1)rotate(-.5deg)}.book-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);padding:1rem;transition:all .3s ease-in-out;position:absolute;bottom:0;left:0;right:0}.book-overlay-collapsed{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#ffffff80;height:45%}.book-overlay-expanded{background-color:#ffffffb3;height:100%;overflow-y:auto}.dark .book-overlay-collapsed{background-color:#000000b3}.dark .book-overlay-expanded{background-color:#000c}.book-title{margin-bottom:.5rem;font-size:1.25rem;font-weight:700}.book-author{margin-bottom:.25rem;font-size:.875rem}.book-metadata{margin-bottom:.5rem;font-size:.875rem}.book-description{margin-top:.75rem;font-size:.875rem}.book-rating{background-color:var(--kho);color:#fff;border-radius:.375rem;padding:.25rem .5rem;font-size:.875rem;font-weight:500}.book-detail-section{grid-template-columns:repeat(2,1fr);gap:1rem .5rem;margin-top:1rem;font-size:.875rem;display:grid}.book-detail-label{font-weight:500}.book-trivia{margin-top:.75rem}.book-download-button{background-color:var(--khb);color:#fff;border-radius:.375rem;padding:.5rem 1rem;font-weight:500;transition:background-color .2s;display:inline-block}.book-download-button:hover{background-color:#1d4ed8}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fadeIn{animation:.3s ease-in-out fadeIn}.book-overlay-expanded::-webkit-scrollbar{width:4px}.book-overlay-expanded::-webkit-scrollbar-track{background:#0000001a;border-radius:10px}.book-overlay-expanded::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:10px}.book-overlay-expanded::-webkit-scrollbar-thumb:hover{background:#ffffff80}.shop-toggle-icon{transition:transform .3s}