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.75rem;font-size:var(--text-xs)}.faq-question{font-size:var(--text-sm)}}.booklist-page{padding-top:120px;padding-bottom:var(--spacing-3xl);min-height:100vh}.booklist-header{margin-bottom:var(--spacing-2xl)}.booklist-label{font-size:var(--text-xs);font-weight:500;letter-spacing:.12em;color:var(--color-text-light);margin-bottom:var(--spacing-xs);text-transform:uppercase}.booklist-title{font-size:var(--text-5xl);font-weight:300;color:var(--color-text-primary);line-height:1.1}.booklist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-2xl) var(--spacing-lg)}.book-card{display:flex;flex-direction:column}.book-card-image-link{display:block;margin-bottom:var(--spacing-md)}.book-card-cover{aspect-ratio:3 / 4;overflow:hidden;border-radius:4px;background-color:var(--color-bg-secondary)}.book-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-base)}.book-card-image-link:hover .book-card-cover img{transform:scale(1.02)}.book-cover-placeholder{width:100%;height:100%;background:linear-gradient(145deg,#e8e0d8,#d4c8bc);display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);text-align:center}.book-cover-placeholder span{font-size:var(--text-xl);font-weight:300;color:#7a6e65;line-height:1.3;letter-spacing:.02em}.book-card-body{flex:1;display:flex;flex-direction:column}.book-card-title{font-size:var(--text-xl);font-weight:500;color:var(--color-text-primary);margin-bottom:4px;line-height:1.2}.book-card-authors{font-size:var(--text-sm);color:var(--color-text-light);margin-bottom:var(--spacing-sm)}.book-card-description{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.65;margin-bottom:var(--spacing-md);flex:1}.book-card-cta{display:inline-flex;align-items:center;gap:6px;font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary);border-bottom:1px solid var(--color-text-primary);padding-bottom:2px;width:fit-content;transition:opacity var(--transition-base)}.book-card-cta:hover{opacity:.6}@media(max-width:768px){.booklist-page{padding-top:90px}.booklist-title{font-size:var(--text-3xl)}.booklist-grid{grid-template-columns:1fr;gap:var(--spacing-2xl)}.book-card-cover{aspect-ratio:4 / 5}}@media(min-width:769px)and (max-width:1024px){.booklist-grid{grid-template-columns:repeat(2,1fr)}}.bookdetail-page{padding-top:120px;padding-bottom:var(--spacing-3xl);min-height:100vh}.bookdetail-breadcrumb{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--text-sm);color:var(--color-text-light);margin-bottom:var(--spacing-xl)}.bookdetail-breadcrumb a{color:var(--color-text-light);transition:color var(--transition-base)}.bookdetail-breadcrumb a:hover{color:var(--color-text-primary)}.bookdetail-main{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl)}.bookdetail-images{display:flex;flex-direction:column;gap:var(--spacing-sm)}.bookdetail-cover{aspect-ratio:3 / 4;overflow:hidden;border-radius:4px;background:var(--color-bg-secondary)}.bookdetail-cover img{width:100%;height:100%;object-fit:cover}.bookdetail-cover-placeholder{width:100%;height:100%;background:linear-gradient(145deg,#e8e0d8,#d4c8bc);display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center}.bookdetail-cover-placeholder span{font-size:var(--text-2xl);font-weight:300;color:#7a6e65;line-height:1.3;letter-spacing:.02em}.bookdetail-thumbnails{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-xs)}.bookdetail-thumb{aspect-ratio:1;border:2px solid transparent;border-radius:4px;overflow:hidden;background:var(--color-bg-secondary);cursor:pointer;padding:0;transition:border-color var(--transition-base)}.bookdetail-thumb.active{border-color:var(--color-text-primary)}.bookdetail-thumb img{width:100%;height:100%;object-fit:cover}.thumb-placeholder{width:100%;height:100%;background:linear-gradient(145deg,#ece6e0,#ddd5cb)}.bookdetail-info{display:flex;flex-direction:column}.bookdetail-category{font-size:var(--text-xs);font-weight:500;letter-spacing:.12em;color:var(--color-text-light);text-transform:uppercase;margin-bottom:var(--spacing-xs)}.bookdetail-title{font-size:var(--text-5xl);font-weight:300;line-height:1.05;color:var(--color-text-primary);margin-bottom:var(--spacing-xs)}.bookdetail-subtitle{font-size:var(--text-base);font-style:italic;color:var(--color-text-secondary);margin-bottom:var(--spacing-lg);line-height:1.4}.bookdetail-description{margin-bottom:var(--spacing-md)}.bookdetail-description p{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.75;margin-bottom:var(--spacing-sm)}.bookdetail-authors-line{font-size:var(--text-sm);font-style:italic;color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.bookdetail-price{font-size:var(--text-2xl);font-weight:500;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}.bookdetail-format{margin-bottom:var(--spacing-md)}.bookdetail-format-label{font-size:var(--text-xs);font-weight:500;letter-spacing:.1em;color:var(--color-text-light);text-transform:uppercase;margin-bottom:var(--spacing-xs)}.bookdetail-format-options{display:flex;gap:var(--spacing-xs)}.format-btn{padding:.6rem 1.5rem;font-size:var(--text-sm);font-weight:500;border:1.5px solid var(--color-border);border-radius:2px;background:none;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-base)}.format-btn.active{background:var(--color-text-primary);border-color:var(--color-text-primary);color:var(--color-white)}.bookdetail-purchase{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs)}.quantity-control{display:flex;align-items:center;border:1.5px solid var(--color-border);border-radius:2px;overflow:hidden}.quantity-control button{width:44px;height:48px;font-size:var(--text-lg);color:var(--color-text-primary);background:none;border:none;cursor:pointer;transition:background var(--transition-fast);display:flex;align-items:center;justify-content:center}.quantity-control button:hover{background:var(--color-bg-secondary)}.quantity-control span{width:44px;text-align:center;font-size:var(--text-sm);font-weight:500}.add-to-cart-btn{flex:1;height:48px;background:var(--color-text-primary);color:var(--color-white);font-size:var(--text-sm);font-weight:700;letter-spacing:.05em;border:none;border-radius:2px;cursor:pointer;transition:opacity var(--transition-base);text-transform:uppercase}.add-to-cart-btn:hover{opacity:.85}.bookdetail-launch-soon{border:1.5px solid var(--color-border);border-radius:4px;padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);background:var(--color-bg-secondary)}.launch-soon-label{font-size:var(--text-xs);font-weight:700;letter-spacing:.15em;color:var(--color-text-light);text-transform:uppercase;margin-bottom:6px}.launch-soon-text{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.6}.bookdetail-also-on{font-size:var(--text-xs);color:var(--color-text-light);margin-bottom:var(--spacing-lg)}.bookdetail-also-on a{color:var(--color-text-primary);text-decoration:underline;text-underline-offset:2px}.bookdetail-accordion{border-top:1px solid var(--color-border);margin-bottom:var(--spacing-xl)}.accordion-item{border-bottom:1px solid var(--color-border);overflow:hidden}.accordion-header{width:100%;display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0;font-size:var(--text-xs);font-weight:700;letter-spacing:.1em;color:var(--color-text-primary);text-transform:uppercase;background:none;border:none;cursor:pointer;text-align:left;transition:opacity var(--transition-fast)}.accordion-header:hover{opacity:.7}.accordion-icon{font-size:var(--text-lg);line-height:1;transition:transform var(--transition-base)}.accordion-body{max-height:0;overflow:hidden;transition:max-height .35s ease}.accordion-item.open .accordion-body{max-height:300px}.accordion-body p{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.7;padding-bottom:var(--spacing-md)}.author-card{display:flex;gap:var(--spacing-md);border:1px solid var(--color-border);border-radius:4px;padding:var(--spacing-md);margin-bottom:var(--spacing-md);width:100%;text-align:left;background:none;cursor:pointer;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.author-card:hover{border-color:var(--color-text-primary);box-shadow:0 2px 12px #00000014}.author-card-text{flex:1;overflow:hidden}.author-card-label{font-size:var(--text-xs);font-weight:500;letter-spacing:.1em;color:var(--color-text-light);text-transform:uppercase;margin-bottom:4px}.author-card-name{font-size:var(--text-xl);font-weight:500;color:var(--color-text-primary);margin-bottom:var(--spacing-xs)}.author-card-bio{font-size:var(--text-xs);color:var(--color-text-secondary);line-height:1.65;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.author-card-photo{width:90px;flex-shrink:0}.author-card-photo img{width:90px;height:110px;object-fit:cover;border-radius:4px}.author-photo-placeholder{width:90px;height:110px;border-radius:4px;background:linear-gradient(145deg,#e8e0d8,#d4c8bc)}.author-link{font-size:var(--text-sm);color:var(--color-text-primary);text-decoration:underline;text-underline-offset:3px;width:fit-content;transition:opacity var(--transition-base)}.author-link:hover{opacity:.6}.author-modal-overlay{position:fixed;inset:0;background:#0000008c;z-index:2000;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);animation:overlay-in .2s ease}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.author-modal{background:var(--color-white);border-radius:8px;width:100%;max-width:680px;max-height:90vh;overflow-y:auto;position:relative;animation:modal-in .25s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.author-modal-close{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);width:36px;height:36px;font-size:1.5rem;line-height:1;color:var(--color-text-light);background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background var(--transition-fast),color var(--transition-fast);z-index:1}.author-modal-close:hover{background:var(--color-bg-secondary);color:var(--color-text-primary)}.author-modal-body{display:grid;grid-template-columns:160px 1fr;gap:var(--spacing-xl);padding:var(--spacing-xl)}.author-modal-photo img{width:160px;aspect-ratio:3 / 4;object-fit:cover;border-radius:4px}.author-modal-photo-placeholder{width:160px;aspect-ratio:3 / 4;border-radius:4px;background:linear-gradient(145deg,#e8e0d8,#d4c8bc)}.author-modal-label{font-size:var(--text-xs);font-weight:500;letter-spacing:.12em;color:var(--color-text-light);text-transform:uppercase;margin-bottom:6px}.author-modal-name{font-size:var(--text-2xl);font-weight:500;color:var(--color-text-primary);line-height:1.15;margin-bottom:4px}.author-modal-credential{font-size:var(--text-xs);font-style:italic;color:var(--color-text-light);margin-bottom:var(--spacing-md)}.author-modal-bio{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.75;margin-bottom:var(--spacing-md)}.author-modal-links{display:flex;flex-direction:column;gap:var(--spacing-xs)}.bookdetail-notfound{padding-top:160px;padding-bottom:var(--spacing-3xl);display:flex;flex-direction:column;gap:var(--spacing-sm)}@media(min-width:769px){.bookdetail-images{position:sticky;top:90px;align-self:start}}@media(max-width:768px){.bookdetail-page{padding-top:90px}.bookdetail-main{grid-template-columns:1fr;gap:var(--spacing-xl)}.bookdetail-title{font-size:var(--text-3xl)}.bookdetail-purchase{flex-direction:column}.add-to-cart-btn{width:100%}.author-modal-body{grid-template-columns:1fr}.author-modal-photo img,.author-modal-photo-placeholder{width:100%;aspect-ratio:3 / 2}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}