:root{--book-accent: #2563eb;--book-text: #000;--book-muted: #6d6d6d;--book-border: #eaeaea;--book-control-border: #eee;--book-sidebar-rule: #e2e2e2;--book-page: #fff;--book-header: #fff;--book-sidebar: #fff;--book-code: #f8f5ec;--book-code-block: #f8f8f8;--book-quote: #f3f3f3;--book-backdrop: rgba(0, 0, 0, .12);--book-panel-shadow: rgba(0, 0, 0, .18);--book-header-height: 55px;--book-sidebar-width: 280px;--book-content-width: 800px;--book-shell-width: 1180px}.dark{--book-accent: #60a5fa;--book-text: #ddd;--book-muted: #aaa;--book-border: #3a3a3a;--book-control-border: #474747;--book-sidebar-rule: #474747;--book-page: #202020;--book-header: #252525;--book-sidebar: #202020;--book-code: #2f2c26;--book-code-block: #292929;--book-quote: #292929;--book-backdrop: rgba(0, 0, 0, .34);--book-panel-shadow: rgba(0, 0, 0, .38)}*{box-sizing:border-box}html{scroll-padding-top:calc(var(--book-header-height) + 20px)}body{margin:0;background:var(--book-page);color:var(--book-text);font:16px/1.7 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:var(--book-accent);text-decoration:none}a:hover{text-decoration:underline}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.book-header{position:fixed;z-index:20;top:0;right:0;left:0;height:var(--book-header-height);border-bottom:1px solid var(--book-border);background:var(--book-header)}.book-header-inner{display:flex;align-items:center;max-width:var(--book-shell-width);height:100%;margin:0 auto}.site-title{color:var(--book-text);font-size:1.2rem;font-weight:400;line-height:1.7}.site-title:hover{text-decoration:none}.top-nav{display:flex;align-items:center;gap:0;margin-left:auto}.top-nav-link{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;color:#3c3c43c7;font-size:1rem}.top-nav-link:hover{color:var(--book-text);text-decoration:none}.top-nav-link svg{width:20px;height:20px;fill:currentColor;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.top-nav-link svg path[fill-rule]{stroke:none}.top-nav-link[data-icon=person] svg{width:24px;height:24px;fill:none}.top-nav-link[aria-label=LinkedIn] svg{width:19px;height:19px;stroke:none}.top-nav-link[aria-label=X] svg{stroke:none}.dark .top-nav-link{color:#ebebf599}.dark .top-nav-link:hover{color:var(--book-text)}.menu-button{display:none;width:34px;height:34px;margin-right:12px;padding:8px;border:0;background:transparent}.menu-button span{display:block;width:18px;height:2px;margin:3px 0;background:var(--book-text)}.book-shell{display:flex;max-width:var(--book-shell-width);min-height:100vh;margin:0 auto;padding-top:var(--book-header-height)}.book-sidebar{position:sticky;top:var(--book-header-height);flex:0 0 var(--book-sidebar-width);width:var(--book-sidebar-width);height:calc(100vh - var(--book-header-height));padding:40px 0 30px;overflow-y:auto;background:var(--book-sidebar)}.language-switcher{position:relative;display:block;width:100%;margin:0 0 18px}.language-switcher select{width:100%;height:38px;padding:0 76px 0 16px;border:1px solid var(--book-control-border);border-radius:5px;background:var(--book-page);color:var(--book-text);font:inherit;font-size:14px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.language-switcher:after{position:absolute;top:50%;right:16px;width:8px;height:8px;border-right:2px solid #999;border-bottom:2px solid #999;content:"";pointer-events:none;transform:translateY(-70%) rotate(45deg)}.sidebar-nav{color:var(--book-muted);font-size:.875rem;line-height:1.7}.sidebar-link,.sidebar-child,.sidebar-page-toc a{display:block;color:#444;text-decoration:none}.dark .sidebar-link,.dark .sidebar-child,.dark .sidebar-page-toc a{color:#bbb}.sidebar-link{margin:0 20px 10px 0;font-weight:400}.sidebar-child{margin:0 0 10px 18px;line-height:1}.sidebar-section{margin:0 0 10px}.sidebar-section-title{color:#555;font-weight:400;font-size:.9rem;margin-bottom:10px}.dark .sidebar-section-title{color:#bbb}.sidebar-marker{display:inline-block;width:10px;color:#999;transform:rotate(90deg)}.sidebar-link.active,.sidebar-child.active{color:var(--book-text);font-weight:700}.sidebar-page-toc{margin:0 0 10px 18px;border-left:1px solid var(--book-sidebar-rule)}.sidebar-page-toc.child-toc{margin-left:20px}.sidebar-page-toc a{margin:0 0 8px 16px;color:#666;line-height:1}.dark .sidebar-page-toc a{color:#aaa}.sidebar-actions{display:flex;align-items:center;gap:14px;margin-top:18px}.theme-toggle{position:relative;width:42px;height:22px;padding:0;border:0;border-radius:999px;background:#111;cursor:pointer}.sidebar-social{display:none;align-items:center;gap:4px}.sidebar-social-link{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;color:#3c3c43c7}.sidebar-social-link:hover{color:var(--book-text);text-decoration:none}.sidebar-social-link svg{width:19px;height:19px;fill:currentColor;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-social-link svg path[fill-rule]{stroke:none}.sidebar-social-link[data-icon=person] svg{width:23px;height:23px;fill:none}.sidebar-social-link[aria-label=LinkedIn] svg{width:18px;height:18px;stroke:none}.sidebar-social-link[aria-label=X] svg{stroke:none}.dark .sidebar-social-link{color:#ebebf599}.dark .sidebar-social-link:hover{color:var(--book-text)}.sidebar-close,.sidebar-backdrop{display:none}.theme-toggle:focus{outline:none}.theme-toggle:focus-visible{outline:none}.theme-toggle:before,.theme-toggle:after{position:absolute;z-index:1;top:50%;content:"";pointer-events:none;transform:translateY(-50%)}.theme-toggle:before{left:7px;width:12px;height:12px;border-radius:50%;background:transparent;box-shadow:inset 4px -3px #fff;transform:translateY(-50%) rotate(-15deg)}.theme-toggle:after{right:7px;width:10px;height:10px;border-radius:50%;background:#ffd84d;box-shadow:0 -6px 0 -4px #ffd84d,0 6px 0 -4px #ffd84d,6px 0 0 -4px #ffd84d,-6px 0 0 -4px #ffd84d,4px 4px 0 -4px #ffd84d,-4px -4px 0 -4px #ffd84d,4px -4px 0 -4px #ffd84d,-4px 4px 0 -4px #ffd84d}.theme-toggle span{position:absolute;z-index:2;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .15s ease}.theme-toggle[aria-pressed=true]:before{opacity:1}.theme-toggle[aria-pressed=true]:after{opacity:0}.theme-toggle[aria-pressed=true] span{background:#ffd84d;transform:translate(20px)}.book-main{flex:1;min-width:0;padding:40px 20px 80px 80px}.book-content{max-width:var(--book-content-width);color:var(--book-text)}.book-content h1,.book-content h2,.book-content h3,.book-content h4,.book-content h5,.book-content h6{color:var(--book-text);font-weight:400;line-height:1.2}.book-content h1{margin:0 0 1.4rem;font-size:2.5rem;line-height:1.1}.book-content h2{margin:4.5rem 0 22px;padding-bottom:5px;border-bottom:1px solid var(--book-border);font-size:1.75rem}.book-content h3{margin:40px 0 30px;font-size:1.7rem}.book-content p,.book-content ul,.book-content ol,.book-content blockquote,.book-content pre,.book-content table{margin-top:0;margin-bottom:15px}.book-content ul,.book-content ol{padding-left:1.6em}.book-content li+li{margin-top:3px}.book-content strong{font-weight:700}.book-content img{max-width:100%}.book-content blockquote{margin-left:0;padding:18px 24px;border-left:6px solid #ddd;background:var(--book-quote);color:#666}.dark .book-content blockquote{color:#bbb}.book-content code{padding:.16em .32em;border-radius:3px;background:var(--book-code);color:inherit;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.88em}.book-content div[class*=language-]{position:relative;margin:2rem 0;border-radius:4px;background:var(--book-code-block);overflow:hidden}.book-content div[class*=language-]>.copy{display:none}.book-content div[class*=language-]>.lang{position:absolute;z-index:2;top:5px;right:10px;color:#aaa;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:12px;line-height:1;pointer-events:none}.book-content pre{overflow-x:auto;padding:18px 20px;border-radius:2px;background:var(--book-code-block)}.book-content div[class*=language-]>pre{margin:0;border-radius:4px;padding-top:28px}.book-content pre code{padding:0;background:transparent}.book-content pre code span{color:var(--shiki-light)}.dark .book-content pre code span{color:var(--shiki-dark)}.book-content table{display:block;overflow-x:auto;border-collapse:collapse}.book-content th,.book-content td{padding:8px 12px;border:1px solid var(--book-border)}.image-zoom{display:block;max-width:100%;margin:0 auto 30px;text-align:center}.image-zoom img{width:var(--image-width);max-width:100%;cursor:zoom-in}.image-zoom img.bordered{border:1px solid var(--book-border)}.image-zoom-overlay{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:40px;border:0;background:#000000c7;cursor:zoom-out}.image-zoom-overlay img{max-width:min(1120px,94vw);max-height:90vh}.not-found{padding-top:15vh}@media (max-width: 860px){.book-header-inner{padding:0 14px}.sidebar-open .book-header-inner{padding:0 28px}.sidebar-open .menu-button{display:none}.menu-button,.book-shell{display:block}.book-sidebar{position:fixed;z-index:30;top:var(--book-header-height);left:0;display:flex;flex-direction:column;width:min(88vw,360px);transform:translate(-100%);transition:transform .18s ease;border-right:1px solid var(--book-border);padding:34px 28px 92px}.book-sidebar.open{transform:translate(0);box-shadow:18px 0 34px var(--book-panel-shadow)}.sidebar-backdrop{position:fixed;z-index:25;top:var(--book-header-height);right:0;bottom:0;left:min(88vw,360px);display:block;padding:0;border:0;background:var(--book-backdrop);opacity:0;pointer-events:none;transition:opacity .18s ease}.sidebar-open .sidebar-backdrop{opacity:1;pointer-events:auto}.book-main{padding:30px 20px 60px}.language-switcher{order:1;margin-bottom:28px}.language-switcher select{height:46px;padding:0 58px 0 18px;border-radius:6px;font-size:16px}.language-switcher:after{right:18px;width:10px;height:10px}.sidebar-nav{order:3;font-size:1rem;line-height:1.75}.sidebar-link{margin-bottom:12px}.sidebar-child{margin:0 0 12px 22px;line-height:1.15}.sidebar-section{margin-bottom:14px}.sidebar-section-title{margin-bottom:12px;font-size:1rem}.sidebar-marker{width:14px}.sidebar-page-toc{margin:0 0 12px 22px}.sidebar-page-toc.child-toc{margin-left:24px}.sidebar-page-toc a{margin:0 0 10px 18px;line-height:1.15}.sidebar-actions{order:2;flex-direction:column;align-items:flex-start;gap:14px;margin:0 0 28px}.theme-toggle{width:48px;height:26px}.theme-toggle:before{left:8px;width:14px;height:14px}.theme-toggle:after{right:8px;width:12px;height:12px}.theme-toggle span{width:20px;height:20px}.theme-toggle[aria-pressed=true] span{transform:translate(22px)}.top-nav{display:none}.sidebar-social{display:flex;gap:10px}.sidebar-social-link{width:36px;height:36px}.sidebar-social-link svg{width:22px;height:22px}.sidebar-social-link[data-icon=person] svg{width:26px;height:26px}.sidebar-social-link[aria-label=LinkedIn] svg{width:21px;height:21px}.sidebar-close{position:fixed;right:18px;bottom:18px;display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid var(--book-control-border);border-radius:50%;background:color-mix(in srgb,var(--book-sidebar) 88%,var(--book-text));color:var(--book-text);cursor:pointer}.sidebar-close span{width:12px;height:12px;border-bottom:2px solid currentColor;border-left:2px solid currentColor;transform:translate(2px) rotate(45deg)}}