*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-height:100vh;background-color:#fff;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif}#app{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.bookshelf-container{width:100%;max-width:1200px;display:flex;justify-content:center;align-items:center;position:relative;gap:.5rem}.scroll-arrow{background-color:#fff;color:#000;border:none;border-radius:50%;width:50px;height:50px;font-size:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;z-index:10;flex-shrink:0;-webkit-user-select:none;user-select:none;line-height:1;padding:0;align-self:center;margin-top:-10px;font-family:Arial,sans-serif}.scroll-arrow:hover{transform:scale(1.1)}.scroll-arrow:active{transform:scale(.95)}.scroll-arrow-left{margin-right:.5rem}.scroll-arrow-right{margin-left:.5rem}.bookshelf{position:relative;width:100%;max-width:calc(900px + 6rem);display:flex;flex-direction:column;align-items:center;overflow:hidden}.books-row{display:flex;gap:1rem;justify-content:flex-start;align-items:flex-end;margin-bottom:-10px;flex-wrap:nowrap;width:100%;padding:0 1rem;position:relative;z-index:1;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.books-row::-webkit-scrollbar{display:none}.book{flex:0 0 auto;position:relative;transition:transform .3s ease;cursor:pointer}.book:hover{transform:translateY(-5px)}.book img{width:100%;height:auto;display:block;object-fit:cover;box-shadow:0 4px 8px #0003;border-radius:2px}.shelf{width:100%;position:relative;display:flex;justify-content:center;z-index:0}.shelf-image{width:100%;max-width:100%;height:auto;display:block;object-fit:cover}@media(min-width:1024px){.book{width:180px;max-width:180px;min-width:180px}.books-row{gap:1.5rem;justify-content:flex-start}.bookshelf{max-width:calc(900px + 8rem)}}@media(min-width:768px)and (max-width:1023px){.book{width:140px;max-width:140px;min-width:140px}.books-row{gap:1rem;justify-content:flex-start}.bookshelf{max-width:796px}}@media(max-width:760px){.books-row{transform:translateY(-5px)}}@media(max-width:767px){#app{padding:1rem}.book{width:80px;max-width:80px;min-width:80px}.books-row{gap:.5rem;padding:0 .5rem;justify-content:flex-start}.book img{box-shadow:0 2px 4px #00000026}.scroll-arrow{width:40px;height:40px;font-size:24px;margin-top:-5px}.bookshelf-container{gap:.25rem}.bookshelf{max-width:448px}}@media(max-width:480px){.book{width:60px;max-width:60px;min-width:60px}.books-row{gap:.4rem}}.popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.popup-overlay.active{opacity:1;visibility:visible}.popup-container{position:relative;width:90%;max-width:1200px;height:90vh;background-color:#fff;border-radius:8px;box-shadow:0 10px 40px #0000004d;display:flex;flex-direction:column;overflow:hidden}.popup-close{position:absolute;top:10px;right:10px;width:40px;height:40px;background-color:#000000b3;color:#fff;border:none;border-radius:50%;font-size:24px;cursor:pointer;z-index:1001;display:flex;align-items:center;justify-content:center;transition:background-color .3s ease,transform .2s ease;line-height:1}.popup-close:hover{background-color:#000000e6;transform:scale(1.1)}.popup-content{width:100%;height:100%;overflow:hidden}.popup-content iframe{width:100%;height:100%;border:none}@media(max-width:767px){.popup-container{width:95%;height:95vh;border-radius:4px}.popup-close{width:35px;height:35px;font-size:20px;top:8px;right:8px}}@media(max-width:480px){.popup-container{width:100%;height:100vh;border-radius:0}}.galeri-page .book{width:500px!important;max-width:500px!important;min-width:500px!important}.galeri-page .books-row{justify-content:center;gap:0}.galeri-page .book img{object-fit:contain;max-height:400px}@media(max-width:1024px){.galeri-page .book{width:350px!important;max-width:350px!important;min-width:350px!important}}@media(max-width:768px){.galeri-page .book{width:300px!important;max-width:300px!important;min-width:300px!important}}@media(max-width:480px){.galeri-page .book{width:250px!important;max-width:250px!important;min-width:250px!important}}.spinner-container{display:flex;justify-content:center;align-items:center;padding:2rem;width:100%}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.admin-container{max-width:1200px;margin:0 auto;padding:2rem}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.admin-header h1{margin:0;color:#333}.category-selector{display:flex;align-items:center;gap:.5rem}.category-selector label{font-weight:600;color:#555}.category-selector select{padding:.5rem 1rem;border:2px solid #ddd;border-radius:4px;font-size:1rem;background:#fff;cursor:pointer}.category-selector select:focus{outline:none;border-color:#333}.admin-message{padding:1rem;border-radius:4px;margin-bottom:1rem;font-weight:500}.admin-message-success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.admin-message-error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.admin-form-container{background:#f9f9f9;padding:2rem;border-radius:8px;margin-bottom:2rem}.admin-form-container h2{margin-top:0;margin-bottom:1.5rem;color:#333}.admin-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:#555}.form-group input{padding:.75rem;border:2px solid #ddd;border-radius:4px;font-size:1rem;font-family:inherit}.form-group input:focus{outline:none;border-color:#333}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary{background-color:#333;color:#fff}.btn-primary:hover{background-color:#555}.btn-secondary{background-color:#6c757d;color:#fff}.btn-secondary:hover{background-color:#5a6268}.btn-edit{background-color:#007bff;color:#fff;padding:.5rem 1rem;font-size:.9rem}.btn-edit:hover{background-color:#0056b3}.btn-delete{background-color:#dc3545;color:#fff;padding:.5rem 1rem;font-size:.9rem}.btn-delete:hover{background-color:#c82333}.admin-books-list{margin-top:2rem}.admin-books-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.admin-books-header h2{margin:0;color:#333}.loading-text,.empty-state{text-align:center;padding:2rem;color:#666}.admin-table-container{overflow-x:auto;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.admin-table{width:100%;border-collapse:collapse;min-width:800px}.admin-table thead{background-color:#333;color:#fff}.admin-table th{padding:1rem;text-align:left;font-weight:600;font-size:.95rem;text-transform:uppercase;letter-spacing:.5px}.admin-table th:first-child{width:60px;text-align:center}.admin-table th:nth-child(2){width:120px;text-align:center}.admin-table th:last-child{width:120px;text-align:center}.admin-table tbody tr{border-bottom:1px solid #eee;transition:background-color .2s ease}.admin-table tbody tr:hover{background-color:#f9f9f9}.admin-table td{padding:1rem;vertical-align:middle}.admin-table td:first-child{text-align:center;color:#666;font-weight:600}.table-image-preview{width:80px;height:100px;overflow:hidden;background:#f0f0f0;border-radius:4px;display:flex;align-items:center;justify-content:center;margin:0 auto}.table-image-preview img{width:100%;height:100%;object-fit:cover}.table-cell-content{max-width:300px;word-wrap:break-word;line-height:1.5}.table-link a{color:#007bff;text-decoration:none;transition:color .2s ease}.table-link a:hover{color:#0056b3;text-decoration:underline}.table-actions{display:flex;gap:.5rem;justify-content:center;align-items:center}.btn-small{padding:.5rem .75rem;font-size:1.2rem;min-width:40px;display:flex;align-items:center;justify-content:center}@media(max-width:768px){.admin-container{padding:1rem}.admin-header{flex-direction:column;align-items:flex-start}.admin-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.admin-table{font-size:.9rem}.admin-table th,.admin-table td{padding:.75rem .5rem}.table-image-preview{width:60px;height:80px}.table-cell-content{max-width:200px;font-size:.85rem}.form-actions{flex-direction:column}.btn{width:100%}.table-actions{flex-direction:column;gap:.25rem}.btn-small{width:100%;padding:.4rem}.admin-books-header{flex-direction:column;align-items:stretch}.admin-books-header .btn{width:100%}}.admin-modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.admin-modal{background:#fff;border-radius:8px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.admin-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #eee}.admin-modal-header h2{margin:0;color:#333}.admin-modal-close{background:none;border:none;font-size:2rem;color:#666;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.admin-modal-close:hover{background-color:#f0f0f0;color:#333}.admin-modal .admin-form{padding:1.5rem}