.ai-librarian-container{max-width:1200px;margin:0 auto;padding:1rem;min-height:100vh;display:flex;flex-direction:column;gap:1rem}.ai-librarian-header{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;text-align:center}.ai-librarian-title{margin:0 0 .5rem;font-size:2rem;background:linear-gradient(to right,var(--color-primary),var(--color-primary-hover));-webkit-background-clip:text;background-clip:text;color:transparent;display:flex;align-items:center;justify-content:center;gap:.5rem}.ai-librarian-subtitle{margin:0;color:var(--color-text-secondary);font-size:1rem}.ai-librarian-actions{display:flex;justify-content:center;gap:1rem;margin-top:1rem;flex-wrap:wrap}.action-button{padding:.5rem 1rem;border:1px solid var(--color-border);background:var(--color-bg-primary);color:var(--color-text-primary);border-radius:6px;font-size:.875rem;cursor:pointer;transition:all .2s ease-in-out;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem}.action-button:hover{background:var(--color-bg-secondary);border-color:var(--color-primary);transform:translateY(-1px)}.action-button.primary{background:var(--color-primary);color:var(--color-primary-text);border-color:var(--color-primary)}.action-button.primary:hover{background:var(--color-primary-hover)}.user-context{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;margin-top:1rem}.context-chip{padding:.25rem .75rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:16px;font-size:.75rem;color:var(--color-text-secondary);display:flex;align-items:center;gap:.25rem}.context-chip.primary{background:#646cff1a;border-color:var(--color-primary);color:var(--color-primary)}.tone-selector{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1rem}.tone-selector label{display:block;margin-bottom:.5rem;color:var(--color-text-primary);font-weight:500}.tone-select{width:200px;padding:.5rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg-primary);color:var(--color-text-primary);font-size:.875rem}.chat-messages{flex:1;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1rem;overflow-y:auto;min-height:400px;display:flex;flex-direction:column;gap:1rem}.chat-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1rem;opacity:.7}.chat-welcome-icon{font-size:4rem;color:var(--color-primary);margin-bottom:1rem}.chat-welcome h3{margin:0 0 1rem;color:var(--color-text-primary);font-size:1.5rem}.chat-welcome p{margin:0 0 2rem;color:var(--color-text-secondary);max-width:500px}.starter-prompts{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.starter-prompt{padding:.75rem 1rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);cursor:pointer;transition:all .2s ease-in-out;font-size:.875rem}.starter-prompt:hover{border-color:var(--color-primary);background:var(--color-bg-tertiary);transform:translateY(-1px)}.message{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1rem}.message.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.message-avatar.user{background:var(--color-primary);color:var(--color-primary-text)}.message-avatar.assistant{background:var(--color-bg-tertiary);color:var(--color-text-secondary);border:1px solid var(--color-border)}.message-bubble{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:12px;padding:1rem;max-width:70%;position:relative}.message.user .message-bubble{background:var(--color-primary);color:var(--color-primary-text);border-color:var(--color-primary)}.message-content{margin:0;line-height:1.5;white-space:pre-wrap}.message-timestamp{font-size:.75rem;opacity:.7;margin-top:.5rem;display:block}.message.user .message-timestamp{text-align:right}.typing-indicator{display:flex;align-items:center;gap:.5rem;color:var(--color-text-secondary);font-style:italic}.typing-dots{display:flex;gap:2px}.typing-dot{width:4px;height:4px;background:var(--color-text-secondary);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:0ms}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,80%,to{opacity:.3}40%{opacity:1}}.chat-input-area{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1rem}.chat-input-container{display:flex;gap:.75rem;align-items:flex-end}.chat-input{flex:1;padding:.75rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-primary);color:var(--color-text-primary);font-size:1rem;resize:vertical;min-height:2.5rem;max-height:8rem;font-family:inherit}.chat-input:focus{outline:2px solid var(--color-primary);outline-offset:2px;border-color:var(--color-primary)}.chat-send-button{padding:.75rem;background:var(--color-primary);color:var(--color-primary-text);border:none;border-radius:8px;cursor:pointer;transition:background-color .2s ease;display:flex;align-items:center;justify-content:center;min-width:48px}.chat-send-button:hover:not(:disabled){background:var(--color-primary-hover)}.chat-send-button:disabled{background:var(--color-disabled);cursor:not-allowed;opacity:.6}.recommendations-panel{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem}.recommendations-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.recommendations-title{margin:0;font-size:1.25rem;color:var(--color-text-primary);display:flex;align-items:center;gap:.5rem}.recommendations-filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.filter-input{padding:.5rem;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg-primary);color:var(--color-text-primary);font-size:.875rem}.recommendation-card{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:8px;padding:1rem;margin-bottom:1rem}.recommendation-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem}.recommendation-title{margin:0 0 .25rem;font-size:1.125rem;font-weight:600;color:var(--color-text-primary)}.recommendation-author{margin:0;color:var(--color-text-secondary);font-size:.875rem}.confidence-score{display:flex;align-items:center;gap:.25rem;color:var(--color-text-secondary);font-size:.75rem}.recommendation-description{margin:0 0 1rem;color:var(--color-text-secondary);line-height:1.5}.recommendation-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.recommendation-tag{padding:.25rem .5rem;background:#646cff1a;border:1px solid var(--color-primary);border-radius:12px;font-size:.75rem;color:var(--color-primary)}.recommendation-reasoning{font-style:italic;color:var(--color-text-secondary);font-size:.875rem;border-left:3px solid var(--color-primary);padding-left:.75rem;margin:0}.error-message{background:var(--color-error-bg);color:var(--color-error-text);border:1px solid var(--color-error-text);border-radius:8px;padding:1rem;margin-bottom:1rem}.loading-spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--color-border);border-radius:50%;border-top-color:var(--color-primary);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.ai-librarian-container{padding:.5rem}.ai-librarian-title{font-size:1.5rem}.ai-librarian-actions{flex-direction:column;align-items:center}.user-context{gap:.5rem}.message-bubble{max-width:85%}.recommendations-filters{grid-template-columns:1fr}.chat-input-container{flex-direction:column;align-items:stretch}.chat-send-button{align-self:flex-end;min-width:auto;padding:.75rem 1.5rem}}@media (max-width: 480px){.ai-librarian-actions{gap:.5rem}.action-button{padding:.5rem .75rem;font-size:.75rem}.starter-prompts{flex-direction:column;align-items:center}.starter-prompt{width:100%;max-width:300px;text-align:center}}.footer{margin-top:auto;padding:2rem 1rem;border-top:1px solid var(--border-color, #e0e0e0);background-color:var(--footer-bg, transparent);text-align:center;font-size:.875rem;color:var(--text-secondary, #666666)}@media (prefers-color-scheme: dark){.footer{border-top-color:#333}}.footer-container{max-width:1200px;margin:0 auto}.footer-content{display:flex;flex-direction:column;gap:1rem;align-items:center}.footer-text{margin:0;color:var(--text-secondary, #666666)}.footer-text a{color:var(--accent-color, #2563eb);text-decoration:none;border-bottom:1px dotted var(--accent-color, #2563eb);transition:border-bottom .2s}.footer-text a:hover{border-bottom:1px solid var(--accent-color, #2563eb)}.footer-links{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;justify-content:center}.footer-link{color:var(--accent-color, #2563eb);text-decoration:none;border-bottom:1px dotted var(--accent-color, #2563eb);transition:border-bottom .2s;white-space:nowrap}.footer-link:hover{border-bottom:1px solid var(--accent-color, #2563eb)}.footer-divider{color:var(--text-secondary, #666666);margin:0 .25rem}@media (max-width: 600px){.footer{padding:1.5rem .5rem}.footer-content{gap:.75rem}.footer-links{gap:.25rem}.footer-divider{margin:0 .125rem}}.library-selector{position:relative;margin-right:1rem;min-width:180px}.selected-library{display:flex;align-items:center;padding:.5rem 1rem;background-color:var(--color-bg-secondary);border-radius:4px;cursor:pointer;transition:background-color .2s;color:var(--color-text-primary)}.selected-library:hover{background-color:var(--color-bg-hover)}.library-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-right:.5rem;color:var(--color-text-primary)}.dropdown-arrow{margin-left:.5rem;font-size:.75rem;color:var(--color-text-secondary)}.library-dropdown{position:absolute;top:100%;left:0;width:100%;min-width:250px;background-color:var(--color-bg-secondary);border-radius:4px;box-shadow:0 2px 10px #0003;z-index:100;margin-top:.5rem;overflow:hidden;border:1px solid var(--color-border)}.dropdown-header{padding:.75rem 1rem;font-weight:600;color:var(--color-text-primary);background-color:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border)}.library-list{list-style:none;margin:0;padding:0;max-height:300px;overflow-y:auto}.library-item{display:flex;align-items:center;padding:.75rem 1rem;cursor:pointer;transition:background-color .2s;color:var(--color-text-primary)}.library-item:hover{background-color:var(--color-bg-hover)}.library-item.selected{background-color:var(--color-primary);color:var(--color-primary-text)}.library-item-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.role-badge{font-size:.75rem;padding:.25rem .5rem;border-radius:12px;margin-left:.5rem;white-space:nowrap}.role-libraryowner{background-color:var(--color-owner);color:var(--color-owner-text)}.role-administrator{background-color:var(--color-admin);color:var(--color-admin-text)}.role-visitor{background-color:var(--color-visitor);color:var(--color-visitor-text)}.dropdown-footer{padding:.75rem 1rem;border-top:1px solid var(--color-border)}.create-library-button{width:100%;padding:.5rem;background-color:var(--color-primary);color:var(--color-primary-text);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.create-library-button:hover{background-color:var(--color-primary-hover)}.no-libraries{padding:1rem;text-align:center;color:var(--color-text-secondary)}.library-selector-loading{padding:.5rem 1rem;color:var(--color-text-secondary)}.create-library-form{background-color:var(--color-bg-secondary);padding:1.5rem;border-radius:4px;box-shadow:0 2px 10px #0003;color:var(--color-text-primary);border:1px solid var(--color-border)}.create-library-form h3{margin-top:0;margin-bottom:1rem;font-size:1.25rem;color:var(--color-text-primary)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--color-text-primary)}.form-group input,.form-group textarea{width:100%;padding:.5rem;background-color:var(--color-bg-input);border:1px solid var(--color-border);border-radius:4px;font-size:1rem;color:var(--color-text-primary)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-alpha)}.form-actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1.5rem}.cancel-button{padding:.5rem 1rem;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:4px;cursor:pointer;color:var(--color-text-primary)}.cancel-button:hover{background-color:var(--color-bg-hover)}.create-button{padding:.5rem 1rem;background-color:var(--color-primary);color:var(--color-primary-text);border:none;border-radius:4px;cursor:pointer}.create-button:hover{background-color:var(--color-primary-hover)}.error-message{color:var(--color-error);margin-bottom:1rem;padding:.5rem;background-color:var(--color-error-bg);border-radius:4px}:root[data-theme=dark] .library-dropdown,:root[data-theme=dark] .create-library-form{background-color:#2d3748;color:#e2e8f0}:root[data-theme=dark] .dropdown-header{background-color:#1a202c;color:#e2e8f0;border-bottom-color:#4a5568}:root[data-theme=dark] .library-item{color:#e2e8f0}:root[data-theme=dark] .library-item:hover{background-color:#4a5568}:root[data-theme=dark] .library-item.selected{background-color:#2c5282}:root[data-theme=dark] .dropdown-footer{border-top-color:#4a5568}:root[data-theme=dark] .form-group input,:root[data-theme=dark] .form-group textarea{background-color:#2d3748;border-color:#4a5568;color:#e2e8f0}:root[data-theme=dark] .cancel-button{background-color:#4a5568;border-color:#2d3748;color:#e2e8f0}:root[data-theme=dark] .no-libraries{color:#a0aec0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.required-indicator{color:var(--color-error, #dc3545);font-weight:700}.form-help{font-size:.875rem;color:var(--color-text-secondary);margin-top:.25rem;line-height:1.4}.selected-library:focus,.library-item:focus,.create-library-button:focus,.form-group input:focus,.form-group textarea:focus,.cancel-button:focus,.create-button:focus{outline:2px solid var(--color-primary);outline-offset:2px;box-shadow:0 0 0 4px var(--color-primary-alpha, rgba(100, 108, 255, .2))}@media (prefers-contrast: high){.library-selector{border:2px solid var(--color-text-primary)}.selected-library{border:2px solid var(--color-text-primary);background-color:var(--color-bg-primary)}.library-dropdown{border:3px solid var(--color-text-primary);background-color:var(--color-bg-primary)}.library-item:hover,.library-item:focus{background-color:var(--color-text-primary);color:var(--color-bg-primary)}.library-item.selected{background-color:var(--color-text-primary);color:var(--color-bg-primary);border:2px solid var(--color-bg-primary)}}@media (prefers-reduced-motion: reduce){.selected-library,.library-item,.create-library-button,.cancel-button,.create-button,.dropdown-arrow{transition:none!important}}.library-item{cursor:pointer;transition:all .2s ease;border:2px solid transparent;width:100%;text-align:left;background:none}.library-item:focus-visible{background-color:var(--color-primary);color:var(--color-primary-text);border-color:var(--color-primary-hover)}.library-item.selected{background-color:var(--color-primary);color:var(--color-primary-text);font-weight:600}.library-item.selected .role-badge{background-color:#fff3;color:var(--color-primary-text);border:1px solid rgba(255,255,255,.3)}.error-message{background-color:var(--color-error-bg, #fee);color:var(--color-error, #dc3545);border:1px solid var(--color-error);border-radius:4px;padding:.75rem;margin-bottom:1rem;font-weight:500}.library-selector-loading{padding:.75rem 1rem;color:var(--color-text-secondary);font-style:italic;display:flex;align-items:center;gap:.5rem}.library-selector-loading:before{content:"⏳";font-style:normal}.create-library-form[role=dialog]{position:relative;z-index:1000}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--color-text-primary);font-size:.95rem}.form-actions[role=group]{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--color-border)}.cancel-button,.create-button{padding:.75rem 1.5rem;border-radius:6px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s ease;border:2px solid transparent;position:relative}.cancel-button{background-color:var(--color-bg-secondary);color:var(--color-text-primary);border-color:var(--color-border)}.cancel-button:hover{background-color:var(--color-bg-hover);border-color:var(--color-border-hover)}.create-button{background-color:var(--color-primary);color:var(--color-primary-text);border-color:var(--color-primary)}.create-button:hover:not(:disabled){background-color:var(--color-primary-hover);border-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px var(--color-primary-alpha)}.create-button:disabled{background-color:var(--color-disabled);color:var(--color-disabled-text);border-color:var(--color-disabled);cursor:not-allowed;transform:none;box-shadow:none}.library-list[role=none]{max-height:300px;overflow-y:auto;padding:0;margin:0}.library-item[role=option]{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;width:100%;text-align:left;background:none;border:none;color:var(--color-text-primary);cursor:pointer;transition:all .2s ease}.library-item[role=option]:hover{background-color:var(--color-bg-hover)}.library-item[role=option][aria-selected=true]{background-color:var(--color-primary);color:var(--color-primary-text)}.dropdown-header[role=heading]{padding:.75rem 1rem;font-weight:600;color:var(--color-text-primary);background-color:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.role-badge{font-size:.75rem;padding:.25rem .5rem;border-radius:12px;margin-left:.5rem;white-space:nowrap;font-weight:600;border:1px solid transparent}.role-libraryowner{background-color:var(--color-owner, #8b5cf6);color:var(--color-owner-text, #ffffff);border-color:var(--color-owner-border, #7c3aed)}.role-administrator{background-color:var(--color-admin, #3b82f6);color:var(--color-admin-text, #ffffff);border-color:var(--color-admin-border, #2563eb)}.role-visitor{background-color:var(--color-visitor, #10b981);color:var(--color-visitor-text, #ffffff);border-color:var(--color-visitor-border, #059669)}.navbar{background-color:#4285f4;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem;height:60px;box-shadow:0 2px 4px #0000001a}.navbar-brand{font-size:1.25rem;font-weight:700}.navbar-brand a{color:#fff;text-decoration:none}.navbar-menu{display:flex;align-items:center;gap:1.5rem}.navbar-item{color:#fff;text-decoration:none;font-weight:500;transition:opacity .2s}.navbar-item:hover{opacity:.8}.navbar-button{background:none;border:1px solid rgba(255,255,255,.5);color:#fff;padding:.4rem .8rem;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.navbar-button:hover{background-color:#ffffff1a}.navbar-user{font-size:.9rem;margin-left:.5rem;opacity:.9;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 768px){.navbar-menu{gap:.8rem}.navbar-user{display:none}}.theme-toggle-button{background:transparent;border:none;cursor:pointer;font-size:1.25rem;margin-left:1rem;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;width:2.5rem;height:2.5rem;transition:background-color .3s}.theme-toggle-button:hover{background-color:var(--color-bg-secondary)}.dark .navbar{background-color:var(--color-bg-secondary);border-bottom:1px solid rgba(255,255,255,.1)}.dark .navbar-item,.dark .navbar-brand a,.dark .navbar-user{color:var(--color-text-primary)}.dark .navbar-button{background-color:#3b82f6}.dark .navbar-button:hover{background-color:#2563eb}.pwa-installer{position:fixed;bottom:0;left:0;right:0;z-index:1000;pointer-events:none}.install-banner,.update-banner{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;padding:1rem;margin:1rem;border-radius:12px;box-shadow:0 10px 25px #0003;pointer-events:auto;animation:slideUp .3s ease-out}.update-banner{background:linear-gradient(135deg,#10b981,#059669)}.install-content,.update-content{display:flex;align-items:center;gap:1rem;max-width:600px;margin:0 auto}.install-icon,.update-icon{font-size:2rem;flex-shrink:0}.install-text,.update-text{flex:1}.install-text h3,.update-text h3{margin:0 0 .25rem;font-size:1.1rem;font-weight:600}.install-text p,.update-text p{margin:0;font-size:.9rem;opacity:.9}.install-button,.update-button{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;flex-shrink:0}.install-button:hover,.update-button:hover{background:#ffffff4d;transform:translateY(-1px)}.install-button:active,.update-button:active{transform:translateY(0)}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 768px){.install-banner,.update-banner{margin:.5rem;padding:.75rem}.install-content,.update-content{gap:.75rem}.install-icon,.update-icon{font-size:1.5rem}.install-text h3,.update-text h3{font-size:1rem}.install-text p,.update-text p{font-size:.8rem}.install-button,.update-button{padding:.4rem .8rem;font-size:.9rem}}@media (prefers-color-scheme: dark){.install-banner{background:linear-gradient(135deg,#1e40af,#1e3a8a)}.update-banner{background:linear-gradient(135deg,#047857,#065f46)}}.add-book-container{max-width:600px;margin:0 auto;padding:2rem 1rem}.add-book-container h1{text-align:center;margin-bottom:2rem;font-size:2rem;font-weight:600;color:var(--color-text-primary)}.error-message{background-color:var(--color-error-bg);color:var(--color-error-text);padding:1rem;border-radius:8px;margin-bottom:1.5rem;border-left:4px solid var(--color-error-text)}.warning-message{background-color:#ffc1071a;color:#856404;padding:1rem;border-radius:8px;margin-bottom:1.5rem;border-left:4px solid var(--color-primary)}.add-by-isbn{background-color:var(--color-bg-secondary);padding:1.5rem;border-radius:12px;margin-bottom:2rem;border:1px solid rgba(0,0,0,.05)}.add-by-isbn h2{margin:0 0 .5rem;font-size:1.25rem;font-weight:600;color:var(--color-text-primary)}.add-by-isbn p{margin:0 0 1.5rem;color:var(--color-text-secondary);line-height:1.5}.isbn-input-group{display:flex;gap:.75rem;margin-bottom:1rem}.isbn-input-group input{flex:1;padding:.75rem 1rem;border:1px solid #d1d5db;border-radius:8px;background-color:var(--color-bg-primary);color:var(--color-text-primary);font-size:1rem;transition:border-color .2s,box-shadow .2s}.isbn-input-group input:focus{outline:none;border-color:#4285f4;box-shadow:0 0 0 3px #4285f41a}.isbn-input-group input::-moz-placeholder{color:var(--color-text-secondary)}.isbn-input-group input::placeholder{color:var(--color-text-secondary)}.primary-button{background-color:#4285f4;color:#fff;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s;min-width:120px}.primary-button:hover:not(:disabled){background-color:#3367d6;transform:translateY(-1px)}.primary-button:disabled{background-color:#9ca3af;cursor:not-allowed;transform:none}.secondary-button{background-color:transparent;color:var(--color-text-primary);border:1px solid #d1d5db;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,border-color .2s}.secondary-button:hover:not(:disabled){background-color:var(--color-bg-secondary);border-color:#9ca3af}.scanner-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-top:1rem}.scanner-button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1rem;border:none;border-radius:8px;font-size:.95rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s;color:#fff}.scanner-button:hover:not(:disabled){transform:translateY(-1px)}.scanner-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.scanner-button.barcode{background-color:#4285f4}.scanner-button.barcode:hover:not(:disabled){background-color:#3367d6}.scanner-button.ocr{background-color:#34a853}.scanner-button.ocr:hover:not(:disabled){background-color:#2d8e47}.scanner-button.live-ocr{background-color:#ff9500}.scanner-button.live-ocr:hover:not(:disabled){background-color:#e6850e}.scan-icon{font-size:1.1rem}.manual-divider{display:flex;align-items:center;margin:2rem 0}.manual-divider:before,.manual-divider:after{content:"";flex:1;height:1px;background-color:#e5e7eb}.manual-divider span{padding:0 1rem;color:var(--color-text-secondary);font-size:.875rem;font-weight:500}.add-manually{background-color:var(--color-bg-secondary);padding:1.5rem;border-radius:12px;border:1px solid rgba(0,0,0,.05)}.add-manually h2{margin:0 0 1.5rem;font-size:1.25rem;font-weight:600;color:var(--color-text-primary)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--color-text-primary);font-size:.95rem}.form-group input,.form-group textarea{width:100%;padding:.75rem 1rem;border:1px solid #d1d5db;border-radius:8px;background-color:var(--color-bg-primary);color:var(--color-text-primary);font-size:1rem;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#4285f4;box-shadow:0 0 0 3px #4285f41a}.form-group textarea{resize:vertical;min-height:100px}.form-buttons{display:flex;justify-content:flex-end;gap:.75rem;margin-top:2rem}.loading-overlay{position:fixed;inset:0;background-color:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000}.loading-spinner{width:50px;height:50px;border:4px solid rgba(66,133,244,.2);border-top:4px solid #4285f4;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.loading-text{color:#fff;font-size:1.1rem;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.scanner-help{margin-top:1.5rem;padding:1rem;background-color:#646cff1a;border-radius:8px;border-left:4px solid var(--color-primary)}.scanner-help p{margin:0 0 .75rem;font-weight:600;color:var(--color-primary)}.scanner-help ul{margin:0;padding-left:1.25rem;color:var(--color-text-primary)}.scanner-help li{margin-bottom:.25rem;line-height:1.4}.dark .add-by-isbn,.dark .add-manually{background-color:var(--color-bg-secondary);border-color:#ffffff1a}.dark .isbn-input-group input,.dark .form-group input,.dark .form-group textarea{border-color:#374151;background-color:var(--color-bg-primary)}.dark .isbn-input-group input:focus,.dark .form-group input:focus,.dark .form-group textarea:focus{border-color:#4285f4;box-shadow:0 0 0 3px #4285f433}.dark .secondary-button{border-color:#374151}.dark .secondary-button:hover:not(:disabled){background-color:var(--color-bg-tertiary);border-color:#4b5563}.dark .manual-divider:before,.dark .manual-divider:after{background-color:#374151}.dark .warning-message{background-color:#646cff33;color:var(--color-primary);border-left-color:var(--color-primary)}.dark .scanner-help{background-color:#646cff33;border-left-color:var(--color-primary)}.dark .scanner-help p,.dark .scanner-help ul{color:var(--color-primary)}@media (max-width: 768px){.add-book-container{padding:1rem}.isbn-input-group{flex-direction:column}.scanner-buttons{grid-template-columns:1fr}.form-buttons{flex-direction:column}.form-buttons button{width:100%}}.manual-form-group.isbn,.book-details.pending{border-left:4px solid var(--color-primary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}main{width:100%;padding-top:20px}button{padding:10px 15px;border-radius:4px;border:none;background-color:#646cff;color:#fff;font-weight:500;cursor:pointer;transition:background-color .3s ease}button:hover{background-color:#535bf2}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:20px;border-radius:8px;box-shadow:0 2px 8px #0000001a;background-color:#1a1a1a;transition:transform .3s ease}.card:hover{transform:translateY(-5px)}@media (prefers-color-scheme: light){.card{background-color:#fff;box-shadow:0 2px 8px #0000001a}}/*! tailwindcss v4.1.10 | MIT License | https://tailwindcss.com */@layer properties{@supports ((-webkit-hyphens:none) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}.visible{visibility:visible}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.isolate{isolation:isolate}.container{width:100%}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.resize{resize:both}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.border{border-style:var(--tw-border-style);border-width:1px}.capitalize{text-transform:capitalize}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.italic{font-style:italic}.underline{text-decoration-line:underline}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,)var(--tw-brightness,)var(--tw-contrast,)var(--tw-grayscale,)var(--tw-hue-rotate,)var(--tw-invert,)var(--tw-saturate,)var(--tw-sepia,)var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,visibility,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,ease);transition-duration:var(--tw-duration,0s)}:root{font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-bg-primary:#fff;--color-bg-secondary:#f1f5f9;--color-bg-tertiary:#f6f6fa;--color-text-primary:#213547;--color-text-secondary:#4b5563;--color-error-bg:#ffeaea;--color-error-text:#d32f2f;--color-success-bg:#e6f7e6;--color-success-text:#2e7d32;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}.dark{--color-bg-primary:#1e293b;--color-bg-secondary:#0f172a;--color-bg-tertiary:#181c27;--color-text-primary:#e2e8f0;--color-text-secondary:#94a3b8;--color-error-bg:#472424;--color-error-text:#ff8080;--color-success-bg:#1f3923;--color-success-text:#81c784}body{background-color:var(--color-bg-primary);min-width:320px;min-height:100vh;color:var(--color-text-primary);margin:0}#root{width:100%}@media (prefers-color-scheme:light){:root{color:#213547}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}