@import url(https://fonts.googleapis.com/css2?family=Literata:ital,opsz,wght@0,7..72,200..900;1,7..72,200..900&display=swap);body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{box-sizing:border-box}.bookshelf-container{background-color:#1a1a1a;display:flex;flex-direction:row;font-family:Georgia,Times New Roman,serif;height:100vh;overflow:hidden;position:relative;width:100vw}.user-auth-container{display:flex;justify-content:center;margin-top:auto;padding:20px 30px 30px}.google-login-btn{align-items:center;background:#fff;border:none;border-radius:24px;box-shadow:0 2px 10px #0000004d;color:#333;cursor:pointer;display:flex;font-size:14px;font-weight:500;gap:10px;padding:10px 20px;transition:transform .2s,box-shadow .2s}.google-login-btn:hover{box-shadow:0 4px 15px #0006;transform:translateY(-2px)}.google-icon{flex-shrink:0}.user-menu-wrapper{align-items:center;display:flex;gap:12px;position:relative}.upload-book-btn-icon{align-items:center;background:#4ade801a;border:2px solid #4ade8066;border-radius:50%;color:#4ade80;cursor:pointer;display:flex;height:44px;justify-content:center;padding:0;transition:all .2s ease;width:44px}.upload-book-btn-icon:hover{background:#4ade8033;border-color:#4ade80;transform:scale(1.05)}.upload-book-btn-icon svg{color:inherit}.user-avatar-btn{background:#333;border:2px solid #ffffff4d;border-radius:50%;cursor:pointer;height:44px;overflow:hidden;padding:0;transition:border-color .2s,transform .2s;width:44px}.user-avatar-btn:hover{border-color:#fff9;transform:scale(1.05)}.user-avatar{height:100%;object-fit:cover;width:100%}.user-avatar-placeholder{align-items:center;color:#fff;display:flex;font-size:18px;font-weight:600;height:100%;justify-content:center;text-transform:uppercase;width:100%}.user-dropdown{animation:dropdownFadeIn .2s ease;background:#222;border-radius:12px;bottom:54px;box-shadow:0 4px 20px #00000080;min-width:200px;overflow:hidden;position:absolute;right:0}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-info{border-bottom:1px solid #ffffff1a;display:flex;flex-direction:column;gap:4px;padding:16px}.user-name{color:#fff;font-size:14px;font-weight:600}.user-email{color:#888;font-size:12px}.logout-btn{background:none;border:none;color:#ff6b6b;cursor:pointer;font-size:14px;padding:14px 16px;text-align:left;transition:background .2s;width:100%}.logout-btn:hover{background:#ff6b6b1a}.user-credits{align-items:center;border-bottom:1px solid #ffffff1a;display:flex;justify-content:space-between;padding:12px 16px}.credits-label{color:#888;font-size:13px}.credits-amount{color:#4ade80;font-size:14px;font-weight:600}.buy-credits-btn{background:none;border:none;border-bottom:1px solid #ffffff1a;color:#4ade80;cursor:pointer;font-size:14px;padding:14px 16px;text-align:left;transition:background .2s;width:100%}.buy-credits-btn:hover{background:#4ade801a}.upload-modal-overlay{align-items:center;animation:fadeIn .2s ease;background:#000c;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:2000}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.upload-modal-content{animation:slideUp .3s ease;background:#1a1a1a;border-radius:16px;box-shadow:0 20px 60px #00000080;max-width:500px;padding:40px;width:90%}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.upload-modal-content h2{color:#fff;font-size:1.8rem;font-weight:400;margin:0 0 30px;text-align:center}.upload-area{gap:20px}.upload-area,.upload-label{display:flex;flex-direction:column}.upload-label{align-items:center;border:2px dashed #ffffff4d;border-radius:12px;color:#ffffffb3;cursor:pointer;gap:15px;padding:50px 30px;transition:all .3s ease}.upload-label:hover{background:#ffffff0d;border-color:#fff9;color:#fff}.upload-label svg{color:#ffffff80;transition:color .3s ease}.upload-label:hover svg{color:#fff}.upload-label span{font-size:1rem;font-weight:500}.upload-hint{color:#ffffff80!important;font-size:.85rem!important;font-weight:400!important}.cancel-upload-btn{background:#ffffff1a;border:1px solid #fff3;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;padding:12px 24px;transition:all .2s 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#00000080;left:0;min-width:200px;padding:16px;position:absolute;z-index:100}.shelf-user-dropdown .user-info{display:flex;flex-direction:column;margin-bottom:12px}.shelf-user-dropdown .user-name{color:#fff;font-size:14px;font-weight:600}.shelf-user-dropdown .user-email{color:#fff9;font-size:12px}.shelf-user-dropdown .user-credits{border-top:1px solid #ffffff1a;display:flex;justify-content:space-between;margin-bottom:8px;padding:8px 0}.shelf-user-dropdown .credits-label{color:#ffffffb3;font-size:13px}.shelf-user-dropdown .credits-amount{color:#fff;font-size:13px;font-weight:600}.shelf-user-dropdown .buy-credits-btn,.shelf-user-dropdown .logout-btn{border:none;border-radius:8px;cursor:pointer;font-size:13px;margin-bottom:4px;padding:8px;width:100%}.shelf-user-dropdown .buy-credits-btn{background:#ffffff26;color:#fff}.shelf-user-dropdown .buy-credits-btn:hover{background:#ffffff40}.shelf-user-dropdown .logout-btn{background:none;color:#fff9}.shelf-user-dropdown .logout-btn:hover{color:#fff}.book-spine-container{box-shadow:-2px 0 4px -1px #00000040,3px 0 4px -1px #0000004d,0 -2px 4px -2px #0003,0 3px 5px -2px #00000059,0 0 8px #00000026;cursor:pointer;flex-shrink:0;height:300px;height:var(--book-height,300px);margin-bottom:0;position:relative;transform-origin:bottom center;transition:transform .2s ease,filter .2s ease;width:56.60377px;width:calc(var(--book-height, 300px)/5.3);z-index:1}.book-spine-container:hover{box-shadow:inset 3px 0 8px #fff3,inset -3px 0 8px #0006,-3px 0 8px -1px #00000059,5px 0 8px -1px #0006,0 -3px 8px -2px #0000004d,0 5px 10px -2px #00000073,0 0 14px #0003;transform:scale(1.05) translateY(-5px);z-index:50}.book-spine-img{border-radius:2px;display:block;height:100%;object-fit:fill;width:100%}.book-spine-container:after{border-radius:2px;box-shadow:inset 2px 0 4px #ffffff14,inset -2px 0 4px #0000002e,inset 0 2px 3px #0000001f,inset 0 -2px 3px 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#0000;scrollbar-width:thin;width:100%}.preview-content::-webkit-scrollbar{width:6px}.preview-content::-webkit-scrollbar-track{background:#0000}.preview-content::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.preview-content::-webkit-scrollbar-thumb:hover{background:#fff6}.preview-cover{align-items:center;box-shadow:0 10px 30px #00000080;display:flex;flex-shrink:0;justify-content:center;margin-bottom:30px;min-height:200px;overflow:hidden;width:100%}.preview-cover,.preview-cover img{border-radius:8px;max-height:280px}.preview-cover img{max-width:100%;object-fit:contain;transition:opacity .2s ease-in-out}.preview-cover img.cover-loading{opacity:0}.preview-cover img.cover-loaded{opacity:1}.default-preview-cover{color:#ffffffb3;padding:20px;text-align:center}.preview-info{color:#fff;text-align:center}.preview-info h2{font-size:1.8rem;font-weight:400;margin:0 0 10px}.preview-info h3{color:#aaa;font-size:1.2rem;font-style:italic;font-weight:300;margin:0 0 15px}.preview-info .author{color:#888;font-size:1rem;margin-bottom:40px}.book-completed-badge{align-items:center;background:#4ade801a;border:1px solid #4ade804d;border-radius:20px;color:#4ade80;display:flex;font-size:.85rem;font-weight:500;gap:6px;margin-bottom:15px;margin-left:auto;margin-right:auto;padding:8px 16px;width:fit-content}.book-completed-badge svg{height:14px;width:14px}.book-actions{display:flex;flex-direction:column;gap:8px}.mark-complete-btn{align-items:center;background:#0000;border:1px solid #444;border-radius:30px;color:#888;cursor:pointer;display:flex;font-size:.85rem;gap:6px;justify-content:center;padding:10px 40px;transition:all .2s;width:100%}.mark-complete-btn:hover{background:#4ade800d;border-color:#4ade80;color:#4ade80}.mark-complete-btn.completed{background:#4ade801a;border-color:#4ade80;color:#4ade80}.remove-book-btn{font-size:.85rem}.book-spine-wrapper{flex-shrink:0;position:relative}.book-spine-wrapper.processing .book-spine-container{filter:blur(2px) brightness(.6);opacity:.7}.book-spine-wrapper.processing .book-spine-container:hover{filter:blur(1.5px) brightness(.7);opacity:.8;transform:none}.book-processing-overlay{align-items:center;display:flex;inset:0;justify-content:center;pointer-events:none;position:absolute;z-index:10}.processing-spinner{animation:spin 1s linear infinite;border:2px solid #ffffff4d;border-radius:50%;border-top-color:#fff;height:20px;width:20px}.book-status-processing{align-items:center;border:1px solid #333;border-radius:16px;color:#aaa;display:flex;flex-direction:column;font-size:.95rem;gap:8px;justify-content:center;padding:15px 40px;width:100%}.book-status-processing>.processing-spinner{margin-bottom:2px}.translation-progress-bar{background:#ffffff1a;border-radius:2px;height:4px;overflow:hidden;width:100%}.translation-progress-fill{background:linear-gradient(90deg,#4ade80,#22c55e);border-radius:2px;height:100%;transition:width .5s ease}.book-status-error{border:1px solid #ff6b6b33;border-radius:30px;color:#ff6b6b;font-size:.95rem;padding:15px 40px;text-align:center;width:100%}.safe-to-close-hint{color:#777;display:block;font-size:.8rem;font-style:italic;margin-top:6px}.upload-toast{animation:toast-in .3s ease-out;background:#1a1a2e;border:1px solid #4ade8044;border-radius:12px;color:#4ade80;cursor:pointer;font-size:.9rem;left:50%;max-width:90vw;padding:12px 24px;position:fixed;text-align:center;top:20px;transform:translateX(-50%);z-index:10000}@keyframes toast-in{0%{opacity:0;transform:translateX(-50%) translateY(-10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}@media (max-width:768px){.bookshelf-container{flex-direction:column}.bookshelf-wall{background-position:-30px top;height:100%;width:100%}.shelf-actions{gap:6px}.shelf-avatar-btn{height:30px;width:30px}.shelf-upload-btn{height:35px;width:35px}.shelf-upload-btn svg{height:20px;width:20px}.shelf-help-btn{height:35px;width:35px}.shelf-help-btn svg{height:20px;width:20px}.shelf-signin-btn{font-size:11px;padding:4px 10px}.shelf-signin-btn .google-icon{height:14px;width:14px}.shelf-user-dropdown{bottom:auto;left:auto;right:0;top:36px}.books-grid{padding-left:16px}.book-spine-container{height:30vh;height:var(--book-height,30vh);max-width:none;min-width:0;min-width:auto;touch-action:manipulation;width:5.66038vh;width:calc(var(--book-height, 30vh)/5.3)}.book-preview-sidebar{display:none}.mobile-book-sheet-overlay{animation:fadeIn .2s ease;background:#0009;bottom:0;left:0;position:fixed;right:0;top:0;z-index:1000}.mobile-book-sheet{animation:slideUp .3s ease;background:#1a1a1a;border-radius:20px 20px 0 0;bottom:0;left:0;max-height:70vh;overflow-y:auto;padding:20px 20px calc(20px + env(safe-area-inset-bottom, 0px));position:fixed;right:0;z-index:1001}.mobile-book-sheet .sheet-handle{background:#ffffff4d;border-radius:2px;height:4px;margin:0 auto 20px;width:40px}.mobile-book-sheet .sheet-cover{border-radius:8px;box-shadow:0 8px 20px #0006;display:block;margin:0 auto 16px;max-height:180px;min-height:160px;object-fit:contain;width:120px}.mobile-book-sheet .sheet-title{color:#fff;font-size:1.4rem;font-weight:400;margin:0 0 6px;text-align:center}.mobile-book-sheet .sheet-translated-title{color:#aaa;font-size:1rem;font-style:italic;margin:0 0 8px;text-align:center}.mobile-book-sheet .sheet-author{color:#888;font-size:.9rem;margin:0 0 20px;text-align:center}.mobile-book-sheet .sheet-read-btn{background:#fff;border:none;border-radius:12px;color:#1a1a1a;cursor:pointer;display:block;font-size:1rem;font-weight:600;margin-bottom:10px;padding:14px;touch-action:manipulation;width:100%}.mobile-book-sheet .sheet-read-btn:active{opacity:.8}.mobile-book-sheet .sheet-status{color:#aaa;font-size:.9rem;padding:14px;text-align:center}.mobile-book-sheet .remove-book-btn{margin-top:8px}.mobile-book-sheet .progress-section{margin-bottom:16px}}.upload-error{align-items:center;display:flex;flex-direction:column;gap:20px;padding:20px;text-align:center}.upload-error .error-message{color:#ff6b6b;font-size:1rem;margin:0;max-width:100%}.credit-details{background:#ffffff0d;border-radius:8px;max-width:280px;padding:15px 20px;width:100%}.credit-row{border-bottom:1px solid #ffffff1a;display:flex;font-size:14px;justify-content:space-between;padding:8px 0}.credit-row:last-child{border-bottom:none}.credit-row span:first-child{color:#888}.credit-row .required{color:#ff6b6b}.credit-row .available{color:#4ade80}.credit-row .needed{color:#fbbf24;font-weight:600}.error-actions{display:flex;flex-direction:column;gap:10px;max-width:280px;width:100%}.buy-credits-btn-primary{background:#4ade80;border:none;border-radius:8px;color:#000;cursor:pointer;font-size:1rem;font-weight:600;padding:14px 24px;transition:all .2s ease}.buy-credits-btn-primary:hover{background:#22c55e;transform:translateY(-2px)}.current-credits{color:#ffffffb3;font-size:14px;margin-bottom:15px}.current-credits strong{color:#4ade80}.credits-modal{max-width:450px}.credits-balance{color:#ffffffb3;font-size:1rem;margin:0 0 30px;text-align:center}.credits-balance strong{color:#4ade80;font-size:1.2rem}.credit-packages{display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.credit-package{align-items:center;background:#ffffff0d;border:2px solid #ffffff1a;border-radius:12px;cursor:pointer;display:flex;gap:15px;padding:20px;transition:all .2s ease}.credit-package:hover{background:#ffffff14;border-color:#4ade80;transform:translateY(-2px)}.package-credits{color:#fff;font-size:1.5rem;font-weight:700}.package-label{color:#888;flex:1 1;font-size:.9rem;text-align:left}.package-price{color:#4ade80;font-size:1.2rem;font-weight:600}.credits-info{color:#ffffff80;font-size:.85rem;margin:0 0 20px;text-align:center}.estimate-confirmation{display:flex;flex-direction:column;gap:25px}.estimate-confirmation .book-info{border-bottom:1px solid #ffffff1a;padding-bottom:20px;text-align:center}.estimate-confirmation .book-info h3{color:#fff;font-size:1.4rem;font-weight:500;margin:0 0 8px}.estimate-confirmation .book-info .author{color:#888;font-size:.95rem;margin:0}.estimate-details{background:#ffffff08;border-radius:10px;padding:20px}.estimate-row{align-items:center;border-bottom:1px solid #ffffff0d;display:flex;font-size:14px;justify-content:space-between;padding:10px 0}.estimate-row:last-child{border-bottom:none}.estimate-row span:first-child{color:#888}.estimate-row span:last-child{color:#fff}.estimate-row.cost span:last-child{font-size:1.1rem;font-weight:600}.estimate-row.cost .affordable{color:#4ade80}.estimate-row.cost .not-affordable{color:#ff6b6b}.estimate-row.balance span:last-child{color:#4ade80}.estimate-row.needed .not-affordable{color:#fbbf24;font-weight:600}.estimate-actions{display:flex;flex-direction:column;gap:10px}.confirm-upload-btn{background:#4ade80;border:none;border-radius:8px;color:#000;cursor:pointer;font-size:1rem;font-weight:600;padding:14px 24px;transition:all .2s ease}.confirm-upload-btn:hover{background:#22c55e;transform:translateY(-2px)}.progress-section{margin-bottom:20px;width:100%}.progress-bar{background:#ffffff1a;border-radius:3px;height:6px;margin-bottom:8px;overflow:hidden;width:100%}.progress-fill{background:linear-gradient(90deg,#4ade80,#22c55e);border-radius:3px;height:100%;transition:width .3s ease}.progress-text{color:#4ade80;display:block;font-size:.85em;font-weight:500;text-align:center}.remove-book-btn{align-items:center;background:#0000;border:1px solid #444;border-radius:30px;color:#666;cursor:pointer;display:flex;font-size:.85em;gap:6px;justify-content:center;padding:10px 40px;transition:border-color .2s,color 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