@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color:#f8fafc;--surface-color:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--border-color:#e2e8f0;--primary-color:#3b82f6;--primary-hover:#2563eb;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-md:.75rem;--radius-lg:1rem}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif;line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.header{flex-direction:column;gap:1.5rem;margin-bottom:3rem;display:flex}@media (width>=768px){.header{flex-direction:row;justify-content:space-between;align-items:center}}.title{letter-spacing:-.025em;color:var(--text-primary);font-size:2rem;font-weight:700}.search-bar{background:var(--surface-color);border:1px solid var(--border-color);width:100%;max-width:400px;box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;padding:.75rem 1.5rem;transition:box-shadow .2s,border-color .2s;display:flex}.search-bar:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f633}.search-input{width:100%;color:var(--text-primary);background:0 0;border:none;outline:none;margin-left:.75rem;font-family:Inter,sans-serif;font-size:1rem}.search-input::placeholder{color:var(--text-secondary)}.book-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}@media (width>=640px){.book-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.5rem}}@media (width>=1024px){.book-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:2.5rem}}.book-card{background:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);cursor:pointer;border:1px solid var(--border-color);flex-direction:column;height:100%;transition:transform .3s,box-shadow .3s;display:flex;overflow:hidden}.book-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-8px)}.book-cover-container{border-bottom:1px solid var(--border-color);background-color:#f1f5f9;width:100%;padding-top:141%;position:relative}.book-cover{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}.book-cover-fallback{width:100%;height:100%;color:var(--text-secondary);background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0}.book-cover-skeleton{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;width:100%;height:100%;animation:1.5s linear infinite shimmer;position:absolute;top:0;left:0}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.book-info{flex-direction:column;flex-grow:1;justify-content:space-between;padding:.75rem;display:flex}.book-title{color:var(--text-primary);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin-bottom:.25rem;font-size:.8rem;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}@media (width>=640px){.book-info{padding:1.25rem}.book-title{-webkit-line-clamp:2;margin-bottom:.5rem;font-size:1rem;line-height:1.4}}.empty-state{text-align:center;color:var(--text-secondary);flex-direction:column;grid-column:1/-1;align-items:center;gap:1rem;padding:5rem 1rem;display:flex}.loader-container{justify-content:center;align-items:center;height:50vh;display:flex}.spinner{border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.pdf-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;background:#0f172acc;flex-direction:column;width:100%;height:100%;animation:.3s forwards fadeIn;display:flex;position:fixed;top:0;left:0}@keyframes fadeIn{to{opacity:1}}.pdf-header{background:var(--surface-color);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;width:100%;padding:1rem 1.5rem;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s;display:flex;position:absolute;top:0;left:0}.pdf-header.hidden{opacity:0;pointer-events:none;transform:translateY(-100%)}.pdf-title{white-space:nowrap;text-overflow:ellipsis;max-width:60vw;font-weight:600;overflow:hidden}.pdf-controls{align-items:center;gap:1rem;display:flex}.btn-icon{cursor:pointer;width:36px;height:36px;color:var(--text-secondary);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:background-color .2s,color .2s;display:flex}.btn-icon:hover{background-color:var(--bg-color);color:var(--text-primary)}.pdf-body{justify-content:center;width:100%;height:100%;padding:5rem 2rem 2rem;display:flex;overflow-y:auto}.pdf-document{box-shadow:var(--shadow-lg);background:#fff;border-radius:4px;margin:0 auto}.pdf-page-info{color:var(--text-secondary);font-size:.875rem}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:900;background:#0f172a99;justify-content:center;align-items:center;width:100%;height:100%;padding:1.5rem;animation:.3s forwards fadeIn;display:flex;position:fixed;top:0;left:0}.book-detail-modal{background:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);flex-direction:column;width:100%;max-width:900px;max-height:90vh;display:flex;position:relative;overflow-y:auto}.modal-close-btn{background:var(--bg-color);cursor:pointer;width:40px;height:40px;color:var(--text-secondary);z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex;position:absolute;top:1.5rem;right:1.5rem}.modal-close-btn:hover{color:var(--text-primary);background:#e2e8f0}.detail-content{flex-direction:column;gap:2.5rem;padding:2.5rem;display:flex}@media (width>=768px){.detail-content{flex-direction:row}}.detail-cover-section{flex-direction:column;flex:0 0 280px;gap:1.5rem;display:flex}.detail-cover-container{border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-md);border:1px solid var(--border-color);padding-top:141%;position:relative;overflow:hidden}.detail-cover{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}.btn-primary{background:var(--primary-color);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.75rem;width:100%;padding:1rem;font-family:Inter,sans-serif;font-size:1.1rem;font-weight:600;transition:background .2s,transform .2s;display:flex}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px)}.detail-info-section{flex-direction:column;flex:1;display:flex}.detail-title{color:var(--text-primary);margin-bottom:1.5rem;padding-right:3rem;font-size:2.25rem;font-weight:700;line-height:1.2}.detail-synopsis{color:var(--text-secondary);font-size:1rem;line-height:1.7}.detail-disclaimer{border-top:1px solid 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