@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}:root{--sidebar-width:340px;--header-height:64px;--bg-main:#f7f7fc;--bg-card:#fcfcfc;--bg-card-hover:#e6ebf5;--bg-card-border:#0b408b;--search-title:#0b408b;--search-box:#eff0f6;--search-box-text:#000000;--blue-brand-text:#0b408b;--top-dropdown-bg:#eff0f7;--text-black-white:#000000;--text-white-black:#ffffff;--brand-gray-bg:#d9d9d9;--related-bg:#0b408b;--text-main:#000000;--card-link:#0000ff;--top-select-bg:#f8f6f6;--bg-tab:transparent;--bg-tab-hover:#f2f0f0;--icon-logout-color:#ee2626;--primary:#5e64ac;--primary-light:#7c81c7;--primary-dark:#474b89;--primary-subtle:rgba(94,100,172,0.15);--secondary:#d96055;--secondary-light:#e48880;--accent:#ebebe7;--text-dark:#2d2d2d;--text-medium:#4f4f4f;--text-light:#f8f8f2;--surface-light:#ffffff;--surface-dark:#2a2d40;--border-light:#ebebe7;--border-dark:#3d3f50;--shadow:rgba(0,0,0,0.08);--shadow-dark:rgba(0,0,0,0.25);--transition-speed:300ms;--border-radius:8px;--card-border-radius:12px}[data-bs-theme=dark]{--bg-main:#282323;--bg-card:#000000;--bg-card-hover:#000000;--bg-card-border:#ffffff;--search-title:#ffffff;--search-box:#282323;--search-box-text:#f8f8f2;--blue-brand-text:#ffffff;--top-dropdown-bg:#282323;--text-black-white:#f8f8f2;--text-white-black:#000000;--brand-gray-bg:#0b408b;--related-bg:#1e1919;--text-main:#ffffff;--card-link:#7ac3df;--top-select-bg:#7ac3df;--bg-tab:#000000;--bg-tab-hover:#21334e;--icon-logout-color:#ffffff;--text-light:#f8f8f2;--primary:#7c81c7;--primary-light:#9a9ddb;--primary-dark:#5e64ac;--primary-subtle:rgba(124,129,199,0.15);--secondary:#e48880;--secondary-light:#f3b4ae;--accent:#3d3f50;--text-dark:#f8f8f2;--text-medium:#c9c9c9;--surface-light:#0C2345;--surface-dark:#1f2130;--border-light:#3d3f50;--border-dark:#181a24}body{background-color:var(--bg-main);transition:background-color var(--transition-speed) ease,color var(--transition-speed) ease;overflow-x:hidden;line-height:1.8;position:relative;height:100%;overscroll-behavior:none}.nv-card-body,body{color:var(--text-main)}.nv-card-body{background-color:var(--bg-card);text-decoration:none;border:1px solid var(--bg-card);box-shadow:0 10px 15px rgba(0,0,0,.03)}.nv-card-body .card-title{line-height:1.4;font-size:18px;margin-bottom:10px}.nv-card-body .card-text{margin-bottom:20px;line-height:1.3;font-size:14px}.nv-card-body .card-link{text-align:left}.nv-card-body .card-link span{text-decoration:none;color:var(--blue-brand-text)}.nv-card-body:hover{background-color:var(--bg-card-hover);border:1px dotted var(--bg-card-border)}.btn-blue{color:var(--blue-brand-text);border-color:var(--blue-brand-text)}.btn-blue.active,.btn-blue:hover{background-color:var(--blue-brand-text);border-color:var(--blue-brand-text);color:var(--bg-main)}.casestudy-markup .alert.alert-primary.mb-4:not(.markdown-body .alert.alert-primary.mb-4),.casestudy-markup .markdown-body h1{display:none}.navbar-top-filters{display:flex}.navbar-top-filters .react-dropdown-select-type-single span{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:150px}.navbar-top-filters .react-dropdown-select-type-single span+input{color:red;position:absolute}.navbar-top-filters .react-dropdown-select{background:var(--top-dropdown-bg);columns:var(--text-black-white);width:200px;border:0;margin-right:10px;padding:8px 20px;margin-top:4px}.navbar-top-filters .react-dropdown-select:focus,.navbar-top-filters .react-dropdown-select:focus-within{outline:none;box-shadow:none;border:1px dashed var(--bg-card-border)}.navbar-top-filters .react-dropdown-select-dropdown{width:100%;top:45px;background:var(--top-dropdown-bg);columns:var(--text-black-white)}@media(max-width:992px){.navbar-top-filters{position:absolute;top:100%;left:0;width:100%;background:#fff;box-shadow:0 4px 6px rgba(0,0,0,.1);padding:1rem;display:flex;justify-content:center;flex-wrap:wrap}.navbar-top-filters .react-dropdown-select{width:260px;margin-right:0;margin-bottom:12px}}.pagination .page-item .page-link{padding:5px 18px}.pagination .page-item.active .page-link{background-color:#0b408b}.badge-bg-wrapper{background-color:var(--brand-gray-bg);color:var(--text-black-white);padding:2px 8px;border-radius:3px;font-size:13px}.search-container{background-color:var(--bg-card);color:var(--text-main);border:1px solid var(--bg-card);text-decoration:none;box-shadow:0 10px 15px rgba(0,0,0,.031372549);width:100%;max-width:650px;margin:auto}.search-container .search-title{color:var(--search-title);max-width:850px;font-size:22px;text-align:center;margin-bottom:15px}.search-container .search-input-group{display:flex;align-items:center;max-width:850px;background:var(--search-box)}.search-container .search-input-group .form-control{flex:1 1;padding:.625rem;font-size:1rem;border-radius:5px 0 0 5px;background:rgba(0,0,0,0);border:0;box-shadow:none;outline:none;color:var(--search-box-text)}.search-container .search-input-group .form-control:focus{outline:none;box-shadow:none}.search-container .search-input-group .btn-primary{text-transform:uppercase;background-color:#0b408b;border:0;padding:10px 14px;font-weight:700;border-radius:3px}.search-container .search-input-group .btn-primary:hover{background-color:#005f87;border-color:#005f87}.section-title{font-weight:800;color:var(--blue-brand-text);text-transform:uppercase}.loader-wrapper{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-main);display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity .5s ease,visibility .5s ease}.loader{text-align:center}.logo-text{font-weight:500;letter-spacing:.5px}.display-title{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:1rem}.chapter-intro{font-size:1.3rem;font-style:italic;color:var(--primary);line-height:1.5;margin-bottom:2rem}.lead-text{font-size:1.25rem;color:var(--text-medium);line-height:1.8;font-weight:300}.feature-list{list-style:none;padding-left:.5rem;margin-bottom:2rem}.feature-list li{padding:.5rem 0;display:flex;align-items:flex-start}.feature-list li i{flex-shrink:0;margin-top:.25rem}.book-container{display:flex;min-height:100vh}.book-header{position:fixed;top:0;right:0;left:0;height:var(--header-height);background-color:var(--bg-card);border-bottom:1px solid var(--border-light);z-index:1030;transition:background-color var(--transition-speed) ease,border-color var(--transition-speed) ease;padding:0 .5rem;box-shadow:0 1px 3px var(--shadow)}.header-control{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:rgba(0,0,0,0);border:none;color:var(--text-dark);transition:all .2s ease;cursor:pointer;position:relative}.header-control:focus,.header-control:hover{background-color:var(--primary-subtle);color:var(--primary)}.header-control.active{background-color:var(--primary);color:var(--text-light)}.mobile-menu{position:fixed;top:var(--header-height);right:0;width:250px;background-color:var(--surface-light);border-left:1px solid var(--border-light);z-index:1025;transform:translateX(100%);transition:transform var(--transition-speed) ease;height:calc(100vh - var(--header-height));overflow-y:auto;box-shadow:-2px 0 10px var(--shadow)}.mobile-menu .list-group-item{background-color:rgba(0,0,0,0);color:var(--text-dark);border-color:var(--border-light);padding:1rem 1.5rem;transition:all .2s ease}.mobile-menu .list-group-item:focus,.mobile-menu .list-group-item:hover{background-color:var(--primary-subtle);color:var(--primary)}.mobile-menu.active{transform:translateX(0)}.book-sidebar{position:fixed;width:var(--sidebar-width);height:100vh;background-color:var(--bg-card);border-right:1px solid var(--border-light);z-index:1020;transition:transform var(--transition-speed) ease-out,background-color var(--transition-speed) ease,border-color var(--transition-speed) ease;overflow-y:auto;padding-top:var(--header-height);transform:translateX(-100%);box-shadow:1px 0 5px var(--shadow)}.book-sidebar::-webkit-scrollbar{width:6px}.book-sidebar::-webkit-scrollbar-track{background:rgba(0,0,0,0)}.book-sidebar::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.1);border-radius:10px}.book-sidebar::-webkit-scrollbar-thumb:hover{background-color:rgba(0,0,0,.2)}.sidebar-visible .book-sidebar{transform:translateX(0);box-shadow:2px 0 15px rgba(0,0,0,.08)}.sidebar-visible .book-content{transition:margin-left .3s ease-out}.reader-profile{display:flex;align-items:center;padding:1rem;background-color:var(--bg-card)}.reader-profile .btn-link{color:var(--icon-logout-color);transition:color .3s}.reader-profile .btn-link:hover{color:#007bff}.btn-primary{background-color:#0b408b!important}.text-primary{color:#0b408b!important}.btn-outline-primary{--bs-btn-color:#0b408b;--bs-btn-border-color:#0b408b;--bs-btn-hover-color:#fff;--bs-btn-hover-bg:#0b408b;--bs-btn-hover-border-color:#0b408b;--bs-btn-focus-shadow-rgb:13,110,253;--bs-btn-active-color:#fff;--bs-btn-active-bg:#0b408b;--bs-btn-active-border-color:#0b408b;--bs-btn-active-shadow:inset 0 3px 5px #00000020;--bs-btn-disabled-color:#0b408b;--bs-btn-disabled-bg:transparent;--bs-btn-disabled-border-color:#0b408b;--bs-gradient:none}.reader-avatar{width:42px;height:42px;border-radius:50%;background-color:var(--blue-brand-text);color:var(--text-white-black);display:flex;align-items:center;justify-content:center;font-weight:600;margin-right:1rem}.reader-name{font-weight:600;line-height:1.2}.reader-progress{font-size:.875rem;color:var(--text-medium)}.sidebar-header,.sidebar-tabs{background-color:var(--bg-main);border-bottom:1px solid var(--border-light)}.sidebar-tabs{background:linear-gradient(to bottom,var(--bg-main),var(--surface-light));padding:0;height:50px;display:flex;box-shadow:0 2px 4px rgba(0,0,0,.03)}.sidebar-tab{flex:1 1;text-align:center;background-color:var(--bg-tab);transition:all .2s ease;cursor:pointer;position:relative;height:100%;display:flex;align-items:center;justify-content:center;font-weight:500;color:var(--text-medium);border:none;border-bottom:3px solid rgba(0,0,0,0);transition:all .25s ease;padding:0 .5rem}.sidebar-tab:hover:not(.active){background-color:var(--bg-tab-hover)}.sidebar-tab.active{color:var(--blue-brand-text);background-color:var(--bg-main)}.sidebar-tab.active:after{content:"";position:absolute;bottom:-1px;left:25%;width:50%;height:3px;background-color:var(--blue-brand-text)}.tab-content{display:none;transition:opacity .3s ease;opacity:0;overflow-y:auto;overscroll-behavior:contain;height:calc(100vh - var(--header-height) - 50px - 80px)}.tab-content::-webkit-scrollbar{width:4px}.tab-content::-webkit-scrollbar-track{background:rgba(0,0,0,0)}.tab-content::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.1);border-radius:10px}.tab-content::-webkit-scrollbar-thumb:hover{background-color:rgba(0,0,0,.2)}.tab-content.active{display:block;opacity:1}.search-within-toc{background-color:var(--bg-main);position:-webkit-sticky;z-index:10;padding:.75rem 1rem;background-color:var(--surface-light);position:sticky;top:0;z-index:11;border-bottom:1px solid var(--border-light);box-shadow:0 2px 5px rgba(0,0,0,.05)}.search-within-toc .form-control{font-size:.9rem;height:38px}.search-within-toc .input-group-text{background-color:rgba(0,0,0,0);border-right:none}.toc-list{list-style:none;margin:0;padding:.5rem 0}.toc-item{border-bottom:1px solid var(--border-light);flex-wrap:wrap}.toc-item,.toc-link{position:relative;display:flex}.toc-link{flex:1 1;text-decoration:none;color:var(--text-dark);padding:.85rem 2rem .85rem 1.25rem;align-items:center;transition:all .2s ease}.toc-link:hover{background-color:var(--primary-subtle);color:var(--primary)}.toc-link .chapter-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background-color:var(--primary-light);color:var(--text-light);font-size:.85rem;font-weight:600;margin-right:1rem;flex-shrink:0;transition:all .2s ease}.toc-link.active{background-color:var(--bg-main);color:var(--blue-brand-text);border-left:4px solid var(--blue-brand-text);padding-left:calc(1.25rem - 4px);font-weight:500;position:relative}.toc-link.active .chapter-badge,.toc-link.active:before{background-color:var(--blue-brand-text)}.toc-link.active:before{content:"";position:absolute;top:0;left:0;height:100%;width:4px}.btn-expand-toc{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:rgba(0,0,0,0);border:none;color:var(--text-medium);transition:all .2s ease;position:absolute;right:5px;top:8px}.btn-expand-toc:hover{background-color:var(--primary-subtle);color:var(--primary)}.btn-expand-toc i{transition:transform .2s ease}.btn-expand-toc.collapsed i{transform:rotate(-90deg)}.sub-toc-list{list-style:none;margin:0;width:100%;display:none;background-color:var(--bg-main);padding:0;border-top:1px solid var(--border-light)}.toc-subitem,.toc-sublink{display:block}.toc-sublink{padding:.75rem 1rem .75rem 3.5rem;text-decoration:none;color:var(--text-medium);transition:all .2s ease;font-size:.95rem;border-bottom:1px solid var(--border-light)}.toc-sublink.active,.toc-sublink:focus,.toc-sublink:hover{background-color:var(--primary-subtle);color:var(--primary)}.toc-sublink.active{font-weight:500;position:relative}.book-content{flex:1 1;transition:margin-left var(--transition-speed) ease-out}.content-wrapper{max-width:100%}.inner-padding{padding-top:30px}.casestudy-container .top-bg-casestudy{height:220px;background-color:#0b408b;background-image:url(/_next/static/media/blue-bg.d8d411b7.jpg);background-size:cover}@media screen and (max-width:992px){.casestudy-container .top-bg-casestudy{display:none}}.casestudy-container .casestudy-wrapper{background-color:var(--bg-card);color:var(--text-main);text-decoration:none;border:1px solid var(--bg-card);box-shadow:0 10px 15px rgba(0,0,0,.03);width:100%;max-width:850px;margin:-50px auto 0;padding:20px;border-radius:5px}@media screen and (max-width:992px){.casestudy-container .casestudy-wrapper{margin-top:30px}}.casestudy-container .casestudy-wrapper .casestudy-title{font-size:2.2rem;line-height:1.4;margin-bottom:20px}.casestudy-container .casestudy-wrapper .casestudy-description{margin-bottom:30px}@media screen and (max-width:992px){.top-all-filter{display:none}}.markdown-body h2{font-size:26px;font-weight:700;margin:20px 0 7px}.markdown-body h3{font-size:22px;font-weight:700;margin:20px 0 7px}.markdown-body h4{font-size:20px;font-weight:700;margin:20px 0 7px}.markdown-body h5{font-size:18px;font-weight:700;margin:20px 0 7px}.markdown-body h6{font-size:16px;font-weight:700;margin:20px 0 7px}.markdown-body ol,.markdown-body ul{margin-left:0;padding-left:16px}.markdown-body p{margin-bottom:5px;line-height:1.5}.markdown-body b,.markdown-body strong{font-weight:700}.markdown-body .pointers{position:absolute;left:0;top:8px;width:10px}.markdown-body .pointers:before{content:"";width:6px;height:6px;background-color:var(--text-black-white);display:block;position:absolute;left:15px;border-radius:100%}.markdown-body .pointers-sub{position:absolute;left:0;top:8px;width:10px}.markdown-body .pointers-sub:before{content:"";width:8px;height:8px;border:1px solid var(--text-black-white);display:block;position:absolute;top:0;left:36px;border-radius:100%}.markdown-body .pointers-sub-inside{position:absolute;left:0;top:8px;width:10px}.markdown-body .pointers-sub-inside:before{content:"";width:6px;height:6px;background-color:var(--text-black-white);display:block;position:absolute;left:64px;top:0}.markdown-body blockquote{border-left:3px solid #25aadd;padding-left:20px;margin:20px 0;font-style:italic}.chapter{position:relative;margin-bottom:5rem;padding:2rem;background-color:var(--bg-card);border-radius:var(--card-border-radius);box-shadow:0 5px 20px var(--shadow)}.chapter-number{font-size:6rem;font-weight:700;color:var(--accent);position:absolute;top:-3rem;left:-3rem;opacity:.5;z-index:-1}.page-actions{display:flex;align-items:center;justify-content:flex-end;margin-top:5px}.page-actions .page-action-btn{opacity:.7;transition:all .2s ease}.page-actions .page-action-btn:hover{opacity:1;transform:scale(1.1)}.feature-card{background-color:var(--surface-light);border-radius:var(--border-radius);border:1px solid var(--border-light);padding:1.5rem;margin-bottom:1.5rem;transition:transform .3s ease,box-shadow .3s ease,background-color var(--transition-speed) ease,border-color var(--transition-speed) ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px var(--shadow-dark)}.related-casestudies{margin-top:30px;padding:30px 30px 20px;background-color:var(--related-bg)}.related-casestudies h3{color:#fff}.related-casestudies .main-title{color:var(--text-white-black);text-transform:uppercase;margin-bottom:20px;font-size:24px}.feature-icon{width:60px;height:60px;border-radius:50%;background-color:var(--primary-light);color:var(--text-light);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.25rem;transition:background-color var(--transition-speed) ease}.advanced-search-panel{background-color:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--border-radius)}.voice-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;transition:all .2s ease}.voice-btn:hover{transform:scale(1.1)}.interactive-card{border:1px solid var(--border-light);border-radius:var(--border-radius);transition:all .3s ease;background-color:var(--bg-main);overflow:hidden}.interactive-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px var(--shadow)}.theme-preview-btn{border-radius:0}.theme-preview-btn.active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.logo-container.dark svg{fill:#fff}.logo-container.light svg{fill:#000}.page-navigation{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%);z-index:1010;background-color:var(--surface-light);border:1px solid var(--border-light);border-radius:50px;box-shadow:0 4px 20px var(--shadow);padding:.5rem;transition:background-color var(--transition-speed) ease,border-color var(--transition-speed) ease}.page-nav-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:rgba(0,0,0,0);border:none;color:var(--text-dark);transition:all .2s ease;cursor:pointer}.page-nav-btn:hover:not(:disabled){background-color:var(--primary-subtle);color:var(--primary)}.page-nav-btn:disabled{opacity:.3;cursor:not-allowed}.page-indicator{height:32px;min-width:80px;border-radius:16px;display:flex;align-items:center;justify-content:center;background-color:var(--primary-light);color:var(--text-light);font-weight:600;font-size:.9rem;margin:0 .5rem;padding:0 1rem}.progress-container{position:fixed;top:var(--header-height);left:0;width:100%;height:4px;background-color:var(--border-light);z-index:1020;overflow:hidden}.progress-bar{height:100%;background-color:var(--primary);width:0;transition:width .3s ease}.bookmark-item{border-bottom:1px solid var(--border-light);cursor:pointer;transition:all .2s ease;border-left:3px solid rgba(0,0,0,0);padding:15px 15px 12px}.bookmark-item:hover{background-color:var(--primary-subtle);border-left-color:var(--primary-light);background-color:rgba(94,100,172,.05)}.bookmark-item .title{font-weight:400;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:235px;font-size:14px}.bookmark-item .date{font-size:12px;margin-top:6px;font-weight:300}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.bi-arrow-repeat-loading{font-size:2rem;animation:spin 1.5s linear infinite;display:inline-block}.note-item{padding:1rem;border-bottom:1px solid var(--border-light);cursor:pointer;transition:all .2s ease;border-left:3px solid rgba(0,0,0,0)}.note-item:hover{background-color:var(--primary-subtle);border-left-color:var(--primary-light);background-color:rgba(94,100,172,.05)}.note-item .note-title{white-space:nowrap;text-overflow:ellipsis;width:235px;font-size:14px;font-weight:400;line-height:1;overflow:hidden}.highlight{background-color:rgba(217,96,85,.2);padding:0 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var(--shadow);background-color:#fff}.preview-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;background-color:#ddd}.preview-dot:first-child{background-color:#ff6b6b}.preview-dot:nth-child(2){background-color:#ffc145}.preview-dot:nth-child(3){background-color:#4bca81}.preview-heading{height:24px;background-color:var(--primary-subtle);border-radius:4px}.preview-line{height:12px;background-color:#eee;border-radius:4px;margin-bottom:8px}.preview-sidebar{width:60px;height:80%;top:10%;left:10px;background-color:var(--primary-subtle);border-radius:4px;transition:all .3s ease}.a11y-toolbar{position:fixed;bottom:20px;left:20px;z-index:1040}.a11y-toggle-btn{width:50px;height:50px;border-radius:50%;background-color:var(--primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 3px 10px var(--shadow);cursor:pointer;transition:all .2s 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print{.a11y-toolbar,.book-header,.book-sidebar,.interactive-elements,.page-actions,.page-navigation,.progress-container,.voice-controls{display:none!important}.book-content{margin-left:0!important;padding-top:0!important}.content-wrapper{max-width:100%!important}.chapter{box-shadow:none!important;border:none!important;padding:0!important;margin-bottom:2rem!important;page-break-after:always;break-after:page}.chapter-number{opacity:.2!important}.chapter-number,a{color:#000!important}a{text-decoration:none!important}.highlight{background-color:#eee!important;color:#000!important}}