@import"https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap";body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.admin-login{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-container{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 10px 25px #0003;width:100%;max-width:400px}.login-container h2{text-align:center;margin-bottom:2rem;color:#333}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#333}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;transition:border-color .2s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#667eea}.login-btn{width:100%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s ease}.login-btn:hover{transform:translateY(-2px)}.login-hint{text-align:center;margin-top:1rem;color:#6c757d}.admin-dashboard{min-height:100vh;background-color:#f8f9fa}.admin-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 10px #0000001a}.admin-header h1{margin:0;font-size:1.8rem}.logout-btn{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:background-color .2s ease}.logout-btn:hover{background:#ffffff4d}.admin-tabs{display:flex;background:#fff;border-bottom:2px solid #e9ecef}.tab{padding:1rem 2rem;border:none;background:transparent;cursor:pointer;font-size:1rem;font-weight:500;color:#6c757d;border-bottom:3px solid transparent;transition:all .2s ease}.tab:hover{color:#667eea;background-color:#f8f9fa}.tab.active{color:#667eea;border-bottom-color:#667eea;background-color:#fff}.message{margin:1rem 2rem;padding:.75rem 1rem;border-radius:6px;font-weight:500}.message.success{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724}.message.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.add-book-section,.manage-books-section{padding:2rem;max-width:1200px;margin:0 auto}.add-book-section h2,.manage-books-section h2{margin-bottom:1.5rem;color:#333}.book-form{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1rem}.submit-btn{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s ease;margin-top:1rem}.submit-btn:hover:not(:disabled){transform:translateY(-2px)}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.books-table{background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;overflow:hidden}.books-table table{width:100%;border-collapse:collapse}.books-table th{background-color:#f8f9fa;padding:1rem;text-align:left;font-weight:600;color:#333;border-bottom:2px solid #e9ecef}.books-table td{padding:1rem;border-bottom:1px solid #e9ecef}.books-table tr:hover{background-color:#f8f9fa}.category-tag{display:inline-block;padding:.25rem .75rem;border-radius:20px;color:#fff;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.delete-btn{background:#dc3545;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.875rem;transition:background-color .2s ease}.delete-btn:hover{background:#c82333}@media(max-width:768px){.admin-header{padding:1rem}.admin-header h1{font-size:1.4rem}.admin-tabs{flex-direction:column}.form-row{grid-template-columns:1fr}.add-book-section,.manage-books-section{padding:1rem}.books-table{overflow-x:auto}.books-table table{min-width:600px}}.admin-loading{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2)}.admin-loading .loading-spinner{text-align:center;color:#fff}.admin-loading .spinner{border:4px solid rgba(255,255,255,.3);border-top:4px solid white;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto 1rem}.test-section{margin:1rem 0;padding:1rem 0;border-top:1px solid #e9ecef}.test-btn{background:#17a2b8;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;width:100%;margin-bottom:.5rem}.test-btn:hover{background:#138496}.test-result{padding:.5rem;border-radius:4px;font-size:.85rem;margin-top:.5rem}.test-result.success{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724}.test-result.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.drag-drop-zone{border:2px dashed #cbd5e0;border-radius:8px;padding:2rem;text-align:center;cursor:pointer;transition:all .2s ease;background-color:#f8f9fa;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:150px}.drag-drop-zone.active{border-color:#667eea;background-color:#ebf4ff}.drag-drop-zone p{margin:0;color:#4a5568;font-weight:500}.drag-drop-zone .file-info{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%}.collection-manager{padding:2rem;max-width:1200px;margin:0 auto}.header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.action-btn{background:#667eea;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:background .2s}.action-btn:hover{background:#5a67d8}.secondary-btn{background:#e2e8f0;color:#4a5568;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-weight:600}.collections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.collection-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px #0000000d;display:flex;flex-direction:column;justify-content:space-between;height:100%}.collection-info h4{font-size:1.2rem;margin-bottom:.5rem;color:#2d3748}.collection-info p{color:#718096;font-size:.9rem;margin-bottom:1rem;line-height:1.5}.book-count{display:inline-block;background:#edf2f7;padding:.25rem .75rem;border-radius:20px;font-size:.8rem;color:#4a5568;font-weight:600}.collection-actions{margin-top:1.5rem;padding-top:1rem;border-top:1px solid #e2e8f0;display:flex;gap:.5rem;justify-content:flex-end}.icon-btn{background:#f7fafc;border:1px solid #e2e8f0;padding:.5rem;border-radius:6px;cursor:pointer;transition:all .2s;font-size:1.1rem}.icon-btn:hover{background:#edf2f7;transform:translateY(-1px)}.icon-btn.delete:hover{background:#fff5f5;border-color:#feb2b2;color:#c53030}.book-selector{background:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 4px 6px #0000000d}.search-input{width:100%;padding:.75rem;border:2px solid #e2e8f0;border-radius:8px;margin-bottom:1.5rem;font-size:1rem}.books-list-select{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;max-height:600px;overflow-y:auto}.book-select-item{display:flex;align-items:center;gap:1rem;padding:1rem;border:2px solid #e2e8f0;border-radius:8px;cursor:pointer;transition:all .2s}.book-select-item:hover{border-color:#cbd5e0;background:#f7fafc}.book-select-item.selected{border-color:#667eea;background:#ebf4ff}.status-icon{font-size:1.2rem}.book-title{font-weight:500;color:#2d3748}.drag-drop-zone .remove-file{background:#fc8181;color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;font-size:.9rem;cursor:pointer;transition:background .2s ease}.drag-drop-zone .remove-file:hover{background:#e53e3e}.image-preview{max-width:100%;max-height:200px;border-radius:4px;object-fit:contain;box-shadow:0 2px 4px #0000001a}.upload-hint{font-size:.85rem;color:#718096;margin-top:.5rem}.blog-editor-container,.blog-list-container{padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.editor-header,.list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:600}.form-group input[type=text],.form-group textarea{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px}.checkbox-group{display:flex;align-items:center;gap:10px}.checkbox-group input{width:auto}.tiptap-editor{border:1px solid #ddd;border-radius:4px;margin-bottom:20px;min-height:300px}.editor-menu-bar{padding:10px;border-bottom:1px solid #ddd;background:#f8f9fa;display:flex;gap:5px;flex-wrap:wrap}.editor-menu-bar button{padding:5px 10px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer}.editor-menu-bar button.is-active{background:#2c3e50;color:#fff;border-color:#2c3e50}.editor-content{padding:20px;min-height:300px}.ProseMirror{outline:none}.ProseMirror p{margin-bottom:1em}.ProseMirror h1,.ProseMirror h2{margin-top:1em;margin-bottom:.5em}.ProseMirror ul,.ProseMirror ol{padding-left:1.5em}.ProseMirror img{max-width:100%;height:auto}.blog-item{display:flex;justify-content:space-between;align-items:center;padding:15px;border-bottom:1px solid #eee}.blog-info h3{margin:0 0 5px}.status-badge{font-size:.8em;padding:2px 8px;border-radius:12px}.status-badge.published{background:#d4edda;color:#155724}.status-badge.draft{background:#fff3cd;color:#856404}.blog-actions button{margin-left:10px;padding:5px 10px;cursor:pointer}.delete-btn{background:#dc3545;color:#fff;border:none;border-radius:4px}.save-button{background:#28a745;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:1rem}.create-button{background:#007bff;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer}.image-upload-controls{display:flex;flex-direction:column;gap:10px}.file-input{padding:10px;border:1px dashed #ccc;border-radius:4px;background-color:#f9f9f9;cursor:pointer}.image-preview-box{margin-top:10px;padding:10px;border:1px solid #eee;border-radius:4px;display:flex;justify-content:center;background-color:#f5f5f5}.image-preview-box img{max-width:100%;max-height:200px;object-fit:contain;border-radius:4px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content.small-modal{background:#fff;padding:2rem;border-radius:12px;width:90%;max-width:400px;box-shadow:0 10px 25px #0003}.collection-list-modal{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;max-height:300px;overflow-y:auto}.collection-select-btn{padding:.75rem;background:#f7fafc;border:1px solid #e2e8f0;border-radius:6px;text-align:left;cursor:pointer;transition:all .2s;font-weight:500;color:#2d3748}.collection-select-btn:hover{background:#ebf4ff;border-color:#667eea;color:#667eea}.action-buttons{display:flex;align-items:center}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;padding:1rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background:#fff;border-radius:16px;width:100%;max-width:900px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 25px 50px -12px #00000040;animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:1rem;right:1.5rem;background:none;border:none;font-size:2rem;cursor:pointer;color:#4a5568;z-index:10;transition:color .2s}.modal-close:hover{color:#e53e3e}.modal-body{padding:2rem}.book-details-main{display:grid;grid-template-columns:250px 1fr;gap:2rem;margin-bottom:3rem}.book-details-cover img{width:100%;border-radius:8px;box-shadow:0 10px 15px -3px #0000001a}.book-details-info h2{font-size:2rem;margin:.5rem 0 1rem;color:#2d3748;line-height:1.2}.category-badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;color:#fff;font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.meta-row{display:flex;gap:1.5rem;margin-bottom:1rem;flex-wrap:wrap}.meta-item{color:#4a5568;font-size:.95rem;display:flex;align-items:center;gap:.5rem}.book-description{color:#4a5568;line-height:1.6;margin:1.5rem 0;font-size:1.05rem}.download-btn-large{background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;width:100%;max-width:300px}.download-btn-large:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 6px #0000001a}.download-btn-large:disabled{background:#cbd5e0;cursor:not-allowed}.recommendations-section{border-top:1px solid #e2e8f0;padding-top:2rem}.recommendations-section h3{font-size:1.5rem;color:#2d3748;margin-bottom:.25rem}.recommendation-subtitle{color:#718096;margin-bottom:1.5rem;font-size:.9rem}.recommendations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.5rem}.recommendation-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s}.recommendation-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px #0000001a}.rec-cover{height:200px;overflow:hidden;background:#f7fafc}.rec-cover img{width:100%;height:100%;object-fit:cover}.rec-info{padding:1rem}.rec-info h4{font-size:1rem;margin:0 0 .5rem;color:#2d3748;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.rec-category{font-size:.75rem;font-weight:600;text-transform:uppercase}@media(max-width:768px){.book-details-main{grid-template-columns:1fr;gap:1.5rem}.book-details-cover{max-width:200px;margin:0 auto}.book-details-info{text-align:center}.meta-row{justify-content:center}.download-btn-large{width:100%;max-width:none}}.loading-bar-container{position:fixed;top:0;left:0;width:100%;height:3px;background-color:#f0f0f080;z-index:9999;overflow:hidden}.loading-bar-progress{position:absolute;height:100%;width:50%;background:linear-gradient(90deg,#667eea,#764ba2);animation:loading 1s infinite linear;border-radius:2px}@keyframes loading{0%{left:-50%}to{left:100%}}.public-collections-container{padding:2rem;max-width:1200px;margin:0 auto}.page-header{text-align:center;margin-bottom:3rem}.collections-title{font-size:2.5rem;color:#2c3e50;margin-bottom:.5rem;font-weight:800;letter-spacing:-.5px}.page-subtitle{color:#7f8c8d;font-size:1.1rem}.collections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem}.collection-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #0000000d;transition:all .3s ease;text-decoration:none;color:inherit;display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.05);height:100%}.collection-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #0000001a}.collection-cover-wrapper{height:140px;width:100%;background:#f8f9fa;position:relative;overflow:hidden}.collection-cover-img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.collection-card:hover .collection-cover-img{transform:scale(1.05)}.collection-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e0eafc,#cfdef3)}.collection-icon{font-size:2.5rem}.collection-info{padding:1rem;display:flex;flex-direction:column;flex-grow:1}.collection-info h3{margin:0 0 .5rem;color:#2c3e50;font-size:1.1rem;font-weight:700;line-height:1.3}.collection-info p{margin:0 0 1rem;color:#666;font-size:.85rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}line-height: 1.6; flex-grow: 1; } .view-collection-btn{color:#2b6cb0;font-weight:600;font-size:.95rem;margin-top:auto;display:flex;align-items:center;gap:.5rem;transition:gap .2s}.collection-card:hover .view-collection-btn{gap:.8rem}.collections-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh}.blog-container{max-width:1400px;margin:0 auto;padding:4rem 2rem;font-family:Poppins,sans-serif;background:linear-gradient(135deg,#f8f9fa,#fff);min-height:100vh}.page-header{text-align:center;margin-bottom:4rem;padding-bottom:2rem;border-bottom:2px solid #e8e8e8}.blog-page-title{font-family:Poppins,sans-serif;font-size:3.5rem;font-weight:700;color:#1a1a1a;margin-bottom:1rem;letter-spacing:-1px;text-transform:capitalize}.page-subtitle{font-family:Poppins,sans-serif;font-size:1.2rem;font-weight:400;color:#666;font-style:italic}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:2.5rem;margin-top:3rem}.blog-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px #00000014;transition:all .4s cubic-bezier(.4,0,.2,1);text-decoration:none;color:inherit;display:flex;flex-direction:column;border:1px solid #f0f0f0;position:relative}.blog-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#667eea,#764ba2);transform:scaleX(0);transition:transform .4s cubic-bezier(.4,0,.2,1)}.blog-card:hover:before{transform:scaleX(1)}.blog-card:hover{transform:translateY(-8px);box-shadow:0 16px 48px #0000001f}.blog-cover{height:240px;overflow:hidden;position:relative;background:linear-gradient(135deg,#667eea,#764ba2)}.blog-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}.blog-card:hover .blog-cover img{transform:scale(1.08)}.blog-content-preview{padding:2rem;display:flex;flex-direction:column;flex-grow:1;font-family:Poppins,sans-serif}.blog-content-preview h2{margin:0 0 1rem;font-size:1.5rem;font-weight:600;color:#1a1a1a;line-height:1.4;font-family:Poppins,sans-serif;transition:color .3s ease}.blog-card:hover .blog-content-preview h2{color:#667eea}.blog-date{color:#999;font-size:.875rem;font-weight:500;margin-bottom:1rem;font-family:Poppins,sans-serif;text-transform:uppercase;letter-spacing:.5px}.blog-excerpt{color:#555;line-height:1.7;margin-bottom:1.5rem;flex-grow:1;font-family:Poppins,sans-serif;font-size:.95rem;font-weight:400}.read-more{color:#667eea;font-weight:600;font-size:.95rem;font-family:Poppins,sans-serif;display:inline-flex;align-items:center;gap:.5rem;transition:gap .3s ease}.blog-card:hover .read-more{gap:.75rem}.blog-post-container{max-width:900px;margin:0 auto;padding:3rem 2rem;font-family:Poppins,sans-serif;background:#fff;min-height:100vh}.back-link{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:3rem;color:#667eea;text-decoration:none;font-weight:500;font-family:Poppins,sans-serif;font-size:.95rem;transition:all .3s ease;padding:.75rem 1.5rem;border-radius:8px;background:#f8f9fa}.back-link:hover{color:#764ba2;background:#e9ecef;gap:.75rem}.blog-post{background:#fff;border-radius:20px;box-shadow:0 12px 48px #00000014;padding:3rem;border:1px solid #f0f0f0}.blog-header{margin-bottom:3rem;text-align:center;padding-bottom:2rem;border-bottom:2px solid #e8e8e8}.blog-title{font-family:Poppins,sans-serif;font-size:3rem;font-weight:700;color:#1a1a1a;margin-bottom:1.5rem;line-height:1.3;letter-spacing:-1px}.blog-meta{display:flex;align-items:center;justify-content:center;gap:.75rem;font-family:Poppins,sans-serif;font-size:.95rem;color:#666;font-weight:500;flex-wrap:wrap;margin-top:1rem}.blog-meta-item{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .75rem;background:#f8f9fa;border-radius:8px;transition:all .3s ease}.blog-meta-item svg{flex-shrink:0}.blog-meta-item:hover{background:#e9ecef;transform:translateY(-1px)}.blog-meta-separator{color:#ddd;font-weight:300}.blog-read-time{background:linear-gradient(135deg,#667eea15,#764ba215);color:#667eea;font-weight:600}.blog-read-time:hover{background:linear-gradient(135deg,#667eea25,#764ba225)}.blog-author{background:linear-gradient(135deg,#667eea15,#764ba215);color:#667eea;font-weight:600}.blog-author:hover{background:linear-gradient(135deg,#667eea25,#764ba225)}.blog-share{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-top:1.5rem;padding:1rem;background:#f8f9fa;border-radius:12px}.share-label{font-family:Poppins,sans-serif;font-size:.9rem;font-weight:600;color:#666;margin-right:.5rem}.share-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;transition:all .3s ease;background:#fff;box-shadow:0 2px 8px #00000014}.share-btn:hover{transform:translateY(-3px);box-shadow:0 4px 12px #00000026}.share-btn.twitter{color:#1da1f2}.share-btn.twitter:hover{background:#1da1f2;color:#fff}.share-btn.facebook{color:#1877f2}.share-btn.facebook:hover{background:#1877f2;color:#fff}.share-btn.linkedin{color:#0a66c2}.share-btn.linkedin:hover{background:#0a66c2;color:#fff}.share-btn.whatsapp{color:#25d366}.share-btn.whatsapp:hover{background:#25d366;color:#fff}.share-btn.copy{color:#667eea}.share-btn.copy:hover{background:#667eea;color:#fff}.blog-hero-image{margin-top:2.5rem;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px #0000001f;background:linear-gradient(135deg,#667eea,#764ba2)}.blog-hero-image img{width:100%;height:auto;display:block;transition:opacity .3s ease}.blog-hero-image img:hover{opacity:.95}.blog-content{font-family:Poppins,sans-serif;font-size:1.125rem;line-height:1.9;color:#2c3e50;font-weight:400;max-width:100%}.blog-content p{margin-bottom:1.8rem;line-height:1.9;letter-spacing:.2px}.blog-content p:empty{display:none}.blog-content p:first-of-type{font-size:1.2rem;line-height:2;color:#1a1a1a;margin-bottom:2rem}.blog-content p:first-of-type:first-letter{font-size:3.5rem;font-weight:700;line-height:1;float:left;margin:.1rem .5rem 0 0;color:#667eea;font-family:Poppins,sans-serif}.blog-content h2{font-family:Poppins,sans-serif;font-size:2rem;font-weight:600;margin-top:3.5rem;margin-bottom:1.5rem;color:#1a1a1a;position:relative;padding-bottom:.75rem;padding-left:1.25rem;border-left:4px solid #667eea}.blog-content h2:after{content:"";position:absolute;bottom:0;left:0;width:60px;height:3px;background:linear-gradient(90deg,#667eea,#764ba2)}.blog-content h3{font-family:Poppins,sans-serif;font-size:1.6rem;font-weight:600;margin-top:2.5rem;margin-bottom:1rem;color:#1a1a1a;padding-left:.75rem;border-left:3px solid #667eea}.blog-content h4{font-family:Poppins,sans-serif;font-size:1.3rem;font-weight:600;margin-top:2rem;margin-bottom:.75rem;color:#333}.blog-content ul,.blog-content ol{margin-bottom:2rem;padding-left:2.5rem;margin-top:1.5rem;background:#f8f9fa;padding:1.5rem 1.5rem 1.5rem 3rem;border-radius:12px;border-left:4px solid #667eea}.blog-content li{margin-bottom:.75rem;line-height:1.8;position:relative;padding-left:.5rem}.blog-content ul li::marker{color:#667eea;font-weight:700;font-size:1.2em}.blog-content ol li::marker{color:#667eea;font-weight:700}.blog-content strong{font-weight:600;color:#1a1a1a;background:linear-gradient(135deg,#667eea15,#764ba215);padding:.1rem .4rem;border-radius:4px}.blog-content em{font-style:italic;color:#555}.blog-content blockquote{border-left:4px solid #667eea;padding-left:1.5rem;margin:2.5rem 0;font-style:italic;color:#555;background:linear-gradient(135deg,#667eea08,#764ba208);padding:1.5rem 1.5rem 1.5rem 2rem;border-radius:12px;position:relative;font-size:1.15rem;line-height:1.8;box-shadow:0 4px 12px #667eea1a}.blog-content blockquote:before{content:'"';font-size:4rem;color:#667eea;opacity:.2;position:absolute;top:-.5rem;left:.5rem;font-family:Georgia,serif;line-height:1}.blog-content img{max-width:100%;height:auto;border-radius:16px;margin:2.5rem 0;box-shadow:0 12px 32px #0000001f;transition:all .4s ease;border:1px solid #f0f0f0}.blog-content img:hover{transform:scale(1.02);box-shadow:0 16px 48px #00000026}.blog-content a{color:#667eea;text-decoration:none;font-weight:500;border-bottom:2px solid transparent;transition:all .3s ease;padding-bottom:1px}.blog-content a:hover{border-bottom-color:#667eea;color:#764ba2}.blog-content code{background:linear-gradient(135deg,#667eea15,#764ba215);padding:.25rem .6rem;border-radius:6px;font-family:Courier New,monospace;font-size:.9em;color:#667eea;font-weight:600;border:1px solid #667eea20}.blog-content pre{background:linear-gradient(135deg,#1a1a1a,#2c2c2c);color:#f8f9fa;padding:2rem;border-radius:16px;overflow-x:auto;margin:2.5rem 0;box-shadow:0 12px 32px #0003;border:1px solid #333}.blog-content pre code{background:none;color:inherit;padding:0;border:none;font-weight:400}.blog-content hr{border:none;height:2px;background:linear-gradient(90deg,transparent 0%,#667eea 50%,transparent 100%);margin:3rem 0}.blog-content table{width:100%;border-collapse:collapse;margin:2rem 0;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px #00000014}.blog-content table th{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem;text-align:left;font-weight:600;font-family:Poppins,sans-serif}.blog-content table td{padding:1rem;border-bottom:1px solid #f0f0f0}.blog-content table tr:last-child td{border-bottom:none}.blog-content table tr:hover{background:#f8f9fa}.error-message{text-align:center;padding:3rem 2rem;font-family:Poppins,sans-serif;font-size:1.1rem;color:#dc3545;background:#fff5f5;border-radius:12px;border:1px solid #ffcccc}.blog-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;font-family:Poppins,sans-serif}.related-blogs-section{margin-top:4rem;padding-top:3rem;border-top:2px solid #e8e8e8}.related-blogs-title{font-family:Poppins,sans-serif;font-size:2rem;font-weight:700;color:#1a1a1a;text-align:center;margin-bottom:2.5rem;position:relative}.related-blogs-title:after{content:"";position:absolute;bottom:-.75rem;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(90deg,#667eea,#764ba2);border-radius:2px}.related-blogs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;margin-bottom:3rem}.related-blog-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px #00000014;transition:all .4s cubic-bezier(.4,0,.2,1);text-decoration:none;color:inherit;display:flex;flex-direction:column;border:1px solid #f0f0f0;position:relative}.related-blog-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#667eea,#764ba2);transform:scaleX(0);transition:transform .4s cubic-bezier(.4,0,.2,1)}.related-blog-card:hover:before{transform:scaleX(1)}.related-blog-card:hover{transform:translateY(-8px);box-shadow:0 12px 32px #0000001f}.related-blog-image{height:180px;overflow:hidden;background:linear-gradient(135deg,#667eea,#764ba2);position:relative}.related-blog-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}.related-blog-card:hover .related-blog-image img{transform:scale(1.08)}.related-blog-content{padding:1.5rem;display:flex;flex-direction:column;flex-grow:1}.related-blog-title{font-family:Poppins,sans-serif;font-size:1.1rem;font-weight:600;color:#1a1a1a;margin:0 0 .75rem;line-height:1.4;transition:color .3s ease;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.related-blog-card:hover .related-blog-title{color:#667eea}.related-blog-excerpt{font-family:Poppins,sans-serif;font-size:.9rem;color:#666;line-height:1.6;margin-bottom:1rem;flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.related-blog-date{font-family:Poppins,sans-serif;font-size:.85rem;color:#999;font-weight:500;text-transform:uppercase;letter-spacing:.5px}@media(max-width:768px){.blog-container{padding:2rem 1rem}.blog-page-title{font-size:2.5rem}.page-subtitle{font-size:1rem}.blog-grid{grid-template-columns:1fr;gap:2rem}.blog-post-container{padding:2rem 1rem}.blog-post{padding:2rem 1.5rem}.blog-title{font-size:2rem}.blog-content{font-size:1rem}.blog-content h2{font-size:1.6rem}.blog-content h3{font-size:1.3rem}.related-blogs-grid{grid-template-columns:1fr;gap:1.5rem}.related-blogs-title{font-size:1.6rem}}.blog-post-portal{max-width:500px;margin:2rem auto;padding:2rem;background:#fff;border-radius:8px;box-shadow:0 2px 8px #00000014}.blog-post-portal h2{margin-bottom:1.5rem;text-align:center}.blog-post-portal form{display:flex;flex-direction:column;gap:1rem}.blog-post-portal label{font-weight:500}.blog-post-portal input,.blog-post-portal textarea{padding:.5rem;border:1px solid #ccc;border-radius:4px;font-size:1rem}.blog-post-portal button{padding:.75rem;background:#07f;color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background .2s}.blog-post-portal button:disabled{background:#aaa;cursor:not-allowed}.blog-post-portal .message{margin-top:1rem;text-align:center;color:#070;font-weight:500}.privacy-container{max-width:800px;margin:0 auto;padding:3rem 2rem;background-color:#fff;min-height:80vh}.privacy-content h1{font-size:2.5rem;color:#2c3e50;margin-bottom:.5rem;text-align:center}.last-updated{text-align:center;color:#7f8c8d;margin-bottom:3rem;font-style:italic}.privacy-content section{margin-bottom:2.5rem}.privacy-content h2{font-size:1.5rem;color:#34495e;margin-bottom:1rem;border-bottom:2px solid #ecf0f1;padding-bottom:.5rem}.privacy-content p{line-height:1.8;color:#555;margin-bottom:1rem}.privacy-content ul{padding-left:2rem;margin-bottom:1rem}.privacy-content li{margin-bottom:.5rem;color:#555;line-height:1.6}@media(max-width:600px){.privacy-container{padding:2rem 1rem}.privacy-content h1{font-size:2rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f8f9fa;color:#333}.app{min-height:100vh}.app-navbar{background:#fff;padding:.75rem 0;box-shadow:0 2px 10px #0000000d;position:sticky;top:0;z-index:1000;border-bottom:1px solid #eaeaea}.navbar-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.navbar-brand{display:flex;align-items:center;text-decoration:none}.brand-logo{height:50px;width:auto;display:block}.navbar-links{display:flex;gap:1rem}.nav-link{color:#4a5568;text-decoration:none;font-weight:600;font-size:.95rem;padding:.6rem 1.2rem;border-radius:8px;transition:all .3s ease;border:1px solid transparent}.nav-link:hover{color:#2d3748;background:#f7fafc;transform:translateY(-1px)}.nav-link.active{color:#2b6cb0;background:#ebf8ff;border-color:#bee3f8;box-shadow:0 2px 4px #0000000d}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#2d3748;padding:.5rem}@media(max-width:768px){.mobile-menu-btn{display:block}.navbar-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem;box-shadow:0 4px 6px #0000001a;border-top:1px solid #eee}.navbar-links.mobile-open{display:flex}.nav-link{display:block;width:100%;text-align:center;padding:1rem}}.collection-header{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000000d;margin-bottom:2rem;text-align:center}.collection-badge{background:#667eea;color:#fff;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;margin-bottom:1rem;display:inline-block}.collection-header h1{font-size:2.5rem;margin-bottom:1rem;color:#2d3748}.collection-header p{color:#4a5568;font-size:1.1rem;max-width:600px;margin:0 auto 1.5rem;line-height:1.6}.collection-meta{display:flex;justify-content:center;gap:2rem;color:#718096;font-size:.95rem}.container{max-width:1200px;margin:0 auto;padding:1rem}.advanced-filter-section{margin-bottom:1.5rem}.filter-header{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.filter-toggle-btn{display:flex;align-items:center;gap:.6rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem 1.25rem;border-radius:12px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #667eea4d}.filter-toggle-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.filter-toggle-btn.active{background:linear-gradient(135deg,#764ba2,#667eea)}.filter-icon{display:flex;align-items:center}.filter-chevron{display:flex;align-items:center;transition:transform .3s ease}.filter-chevron.rotated{transform:rotate(180deg)}.active-filter-badge{display:flex;align-items:center;gap:.5rem;background:#fff;padding:.5rem 1rem;border-radius:50px;font-size:.85rem;font-weight:600;color:#4a5568;box-shadow:0 2px 10px #00000014;cursor:pointer;transition:all .2s ease;border:1px solid #e2e8f0}.active-filter-badge:hover{background:#fee2e2;border-color:#fecaca}.badge-icon{font-size:1rem}.badge-close{display:flex;align-items:center;justify-content:center;width:18px;height:18px;background:#e2e8f0;border-radius:50%;font-size:.9rem;color:#64748b;transition:all .2s ease}.active-filter-badge:hover .badge-close{background:#ef4444;color:#fff}.filter-panel{max-height:0;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);opacity:0}.filter-panel.open{max-height:400px;opacity:1;margin-top:1rem}.filter-panel-content{background:#fff;border-radius:16px;padding:1.25rem;box-shadow:0 10px 40px #00000014;border:1px solid #e2e8f0}.filter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem}.filter-chip{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;background:var(--chip-bg, #f7fafc);border:2px solid var(--chip-border, #e2e8f0);border-radius:10px;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);font-size:.85rem;font-weight:500;color:#4a5568;position:relative;overflow:hidden}.filter-chip:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--chip-color) 0%,transparent 100%);opacity:0;transition:opacity .3s ease}.filter-chip:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a;border-color:var(--chip-color, #667eea)}.filter-chip:hover:before{opacity:.08}.filter-chip.active{background:var(--chip-color, #667eea);border-color:var(--chip-color, #667eea);color:#fff;box-shadow:0 4px 15px #667eea4d}.filter-chip.active:before{opacity:0}.chip-icon{font-size:1.1rem;flex-shrink:0}.chip-label{flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chip-count{background:#0000001a;padding:.15rem .5rem;border-radius:20px;font-size:.75rem;font-weight:600;flex-shrink:0}.filter-chip.active .chip-count{background:#ffffff40}@media(max-width:768px){.filter-header{flex-direction:column;align-items:stretch}.filter-toggle-btn,.active-filter-badge{justify-content:center}.filter-grid{grid-template-columns:repeat(2,1fr)}.filter-chip{padding:.6rem .8rem;font-size:.8rem}.chip-label{font-size:.78rem}}@media(max-width:480px){.filter-grid{grid-template-columns:1fr}}.books-info{color:#6c757d;margin-bottom:1rem;font-size:.85rem;font-weight:500}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.8rem;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.book-card{background:#fff;border-radius:6px;padding:.8rem;box-shadow:0 1px 4px #00000014;transition:all .2s ease;position:relative;border:1px solid #e1e5e9;display:flex;flex-direction:column;height:100%}.book-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001f}.book-bookmark{position:absolute;top:.8rem;left:.8rem;font-size:1rem;opacity:.5}.book-cover{text-align:center;margin-bottom:.6rem;display:flex;align-items:center;justify-content:center;position:relative}.book-cover img{width:70px;height:95px;object-fit:cover;border-radius:4px;background-color:#f8f9fa;border:1px solid #e1e5e9}.book-category{display:inline-block;padding:.2rem .5rem;border-radius:12px;color:#fff;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.3px;margin-bottom:.5rem}.book-info{display:flex;flex-direction:column;flex:1}.book-title{font-size:.95rem;font-weight:600;margin-bottom:.4rem;line-height:1.3;color:#2c3e50;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.book-author{color:#718096;font-size:.7rem;margin-bottom:.3rem;display:flex;align-items:center;gap:.3rem}.book-meta{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem;font-size:.7rem;color:#718096}.book-pages{display:flex;align-items:center;gap:.25rem}.book-language,.book-format{background-color:#f8f9fa;padding:.25rem .5rem;border-radius:4px;font-weight:500}.download-button{width:100%;background:#4299e11a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(66,153,225,.3);color:#000;padding:.5rem .6rem;border-radius:8px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.85rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.3rem;box-shadow:0 2px 5px #4299e11a;margin-top:auto}.download-button:hover{background:#4299e133;transform:translateY(-2px);box-shadow:0 4px 15px #4299e133;border-color:#4299e180}@media(max-width:768px){.app-header{padding:1.2rem 0;background:linear-gradient(135deg,#667eea,#764ba2,#ff9a56 200%)}.app-title{font-size:1.9rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.2)}.container{padding:1rem .8rem;background:linear-gradient(to bottom,#f8f9fa,#fff);min-height:100vh}.books-grid{grid-template-columns:1fr;gap:1rem}.book-card{display:flex;flex-direction:row;padding:.8rem;align-items:stretch;gap:1rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000d;border:1px solid #e1e5e9;height:auto;min-height:150px}.book-card:hover{transform:none;box-shadow:0 2px 8px #0000000d}.book-cover{flex:0 0 100px;width:100px;margin-bottom:0;position:relative}.book-cover img{width:100%;height:140px;object-fit:cover;border-radius:6px;box-shadow:0 2px 4px #0000001a}.book-card:hover .book-cover img{transform:none}.book-info{flex:1;display:flex;flex-direction:column;min-width:0;justify-content:space-between;text-align:left;padding:0;align-items:flex-start}.book-title{font-size:1rem;font-weight:700;line-height:1.3;color:#1a202c;margin-bottom:.4rem}.book-author{font-size:.82rem;color:#4a5568;margin-bottom:.2rem;font-weight:500}.book-publisher{font-size:.75rem;color:#718096;margin-bottom:.3rem}.book-category{padding:.2rem .6rem;border-radius:12px;font-size:.65rem;font-weight:700;margin-bottom:.4rem;box-shadow:0 2px 4px #0000001a}.book-meta{margin-bottom:.5rem;gap:.6rem;font-size:.75rem}.book-language,.book-format{background:linear-gradient(135deg,#f7fafc,#edf2f7);padding:.3rem .6rem;border-radius:8px;font-weight:600;color:#4a5568;border:1px solid #e2e8f0}.download-button{width:100%;margin-top:auto;padding:.5rem;font-size:.8rem;border-radius:6px;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:none;color:#fff}.download-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.filter-section{margin-bottom:1.5rem;padding:0 .5rem}.filter-button{width:100%;justify-content:space-between;background:linear-gradient(135deg,#fff,#f7fafc);border:2px solid #e2e8f0;padding:1rem 1.2rem;border-radius:12px;font-weight:600;box-shadow:0 2px 8px #0000000d}.filter-button:hover{border-color:#667eea;background:#f7fafc;transform:translateY(-1px)}.books-info{text-align:center;font-weight:600;color:#4a5568;margin-bottom:1.5rem;padding:.8rem;background:linear-gradient(135deg,#edf2f7,#f7fafc);border-radius:10px;border:1px solid #e2e8f0}}.error-message{color:#dc3545;background-color:#f8d7da;border:1px solid #f5c6cb;padding:.75rem;border-radius:6px;margin-bottom:1rem}.loading-spinner{text-align:center;padding:3rem}.spinner{border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.book-publisher{color:#718096;font-size:.7rem;margin-bottom:.3rem;display:flex;align-items:center;gap:.3rem}.download-button:disabled{background:#6c757d;cursor:not-allowed;opacity:.6}.download-button:disabled:hover{transform:none;box-shadow:none}@media(max-width:480px){.app-title{font-size:1.7rem}.container{padding:.8rem .6rem}.books-grid{gap:.8rem}.book-card{padding:.8rem;gap:.8rem;border-radius:12px;background:#fff}.book-cover{flex:0 0 90px;width:90px}.book-cover img{width:100%;height:130px;object-fit:cover;border-radius:8px;box-shadow:0 4px 12px #0000001a}.book-title{font-size:.9rem;line-height:1.25;font-weight:700;margin-bottom:.2rem}.book-author{font-size:.75rem;font-weight:500;margin-bottom:.1rem}.book-publisher{font-size:.7rem;margin-bottom:.2rem}.book-meta{flex-direction:row;flex-wrap:wrap;gap:.4rem;font-size:.7rem;margin-bottom:.4rem}.book-category{font-size:.6rem;padding:.2rem .5rem;border-radius:10px;margin-bottom:.3rem}.download-button{font-size:.8rem;padding:.5rem;border-radius:8px;margin-top:auto;width:100%}.filter-button{padding:.8rem;font-size:.9rem}}.share-btn-overlay{position:absolute;bottom:8px;left:8px;background:#fffffff2;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(0,0,0,.05);box-shadow:0 2px 8px #00000026;cursor:pointer;transition:all .2s ease;z-index:10;color:#4a5568;padding:0}.share-btn-overlay:hover{transform:scale(1.1);background:#fff;color:#2b6cb0;box-shadow:0 4px 12px #0003}.share-btn-overlay svg{width:16px;height:16px}