.gb-root{--gb-bg:#1d1d1d;--gb-text:#feffff;--gb-prose:#e8e8e8;--gb-muted:#9b9b9b;--gb-accent:#346ddb;--gb-border:rgba(255,255,255,0.08);--gb-border-strong:rgba(255,255,255,0.14);--gb-hover:rgba(255,255,255,0.05);--gb-code-inline-bg:rgba(255,255,255,0.08);--gb-code-panel:#181818;--gb-header-h:60px;--gb-sidebar-w:280px;--gb-content-max:760px;--gb-toc-w:240px;--gb-font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--gb-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;background:var(--gb-bg);color:var(--gb-text);font-family:var(--gb-font);font-size:16px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.gb-root *,.gb-root :after,.gb-root :before{box-sizing:border-box}.gb-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--gb-header-h);padding:0 20px;background:rgba(29,29,29,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--gb-border)}.gb-header-left{min-width:0}.gb-header-left,.gb-logo{display:flex;align-items:center;gap:10px}.gb-logo{color:var(--gb-text);text-decoration:none;font-weight:600;font-size:16px;white-space:nowrap}.gb-logo img,.gb-logo svg{width:26px;height:26px;border-radius:6px}.gb-logo-emoji{font-size:20px;line-height:1}.gb-search-btn{display:inline-flex;align-items:center;gap:10px;min-width:220px;max-width:320px;padding:7px 10px 7px 12px;background:rgba(255,255,255,.04);border:1px solid var(--gb-border);border-radius:8px;color:var(--gb-muted);font-size:14px;font-family:inherit;cursor:pointer;transition:border-color .15s ease,background .15s ease}.gb-search-btn:hover{border-color:var(--gb-border-strong);background:rgba(255,255,255,.06)}.gb-search-btn .gb-search-label{flex:1 1;text-align:left}.gb-kbd{display:inline-flex;align-items:center;gap:2px;padding:2px 6px;font-size:11px;font-family:var(--gb-font);color:var(--gb-muted);background:rgba(255,255,255,.06);border:1px solid var(--gb-border);border-radius:5px;white-space:nowrap}.gb-menu-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:1px solid var(--gb-border);border-radius:8px;color:var(--gb-text);cursor:pointer}.gb-body{display:grid;grid-template-columns:var(--gb-sidebar-w) minmax(0,1fr);align-items:start;width:100%}.gb-main{min-width:0;width:100%}.gb-sidebar{position:-webkit-sticky;position:sticky;top:var(--gb-header-h);align-self:start;height:calc(100vh - var(--gb-header-h));overflow-y:auto;padding:24px 14px 40px;background:var(--gb-bg);border-right:1px solid var(--gb-border);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}.gb-sidebar::-webkit-scrollbar{width:8px}.gb-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px}.gb-section{margin-bottom:22px}.gb-section-label{margin:0 0 6px;padding:0 10px;font-size:12px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;color:var(--gb-text)}.gb-nav-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:6px;color:var(--gb-prose);font-size:14px;line-height:1.4;text-decoration:none;transition:background .12s ease,color .12s ease}.gb-nav-item:hover{background:var(--gb-hover);color:var(--gb-text)}.gb-nav-item-active{font-weight:500}.gb-nav-item-active,.gb-nav-item-active:hover{color:var(--gb-accent)}.gb-nav-emoji{flex:0 0 auto;font-size:14px;line-height:1}.gb-nav-text{flex:1 1;min-width:0}.gb-nav-row{display:flex;align-items:center}.gb-nav-row .gb-nav-item{flex:1 1;min-width:0}.gb-nav-chevron{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:4px;padding:0;background:transparent;border:none;color:var(--gb-muted);cursor:pointer;border-radius:6px;transition:transform .18s ease,background .12s ease,color .12s ease}.gb-nav-chevron:hover{background:var(--gb-hover);color:var(--gb-text)}.gb-nav-chevron[data-expanded=true]{transform:rotate(90deg)}.gb-nav-children{margin:2px 0 2px 18px;padding-left:10px;border-left:1px solid var(--gb-border)}.gb-content-host,main.gb-content-host{min-width:0}.gb-page{display:grid;grid-template-columns:minmax(0,1fr) var(--gb-toc-w);grid-gap:48px;gap:48px;align-items:start;width:100%;max-width:calc(var(--gb-content-max) + var(--gb-toc-w) + 48px + 80px);margin:0 auto;padding:40px 40px 80px}.gb-article{min-width:0;max-width:var(--gb-content-max)}.gb-breadcrumb{margin-bottom:10px;font-size:13px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--gb-accent)}.gb-h1{margin:0 0 28px;font-size:36px;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--gb-text)}.gb-prose{color:var(--gb-prose);font-size:16px;line-height:1.7}.gb-prose>:first-child{margin-top:0}.gb-prose h1{font-size:36px;font-weight:700;line-height:1.2;margin:40px 0 20px;color:var(--gb-text)}.gb-prose h2{font-size:24px;line-height:1.3;margin:40px 0 16px;padding-top:18px;border-top:1px solid var(--gb-border)}.gb-prose h2,.gb-prose h3{font-weight:600;color:var(--gb-text)}.gb-prose h3{font-size:18px;line-height:1.4;margin:28px 0 12px}.gb-prose h4{font-size:16px;font-weight:600;margin:24px 0 10px;color:var(--gb-text)}.gb-prose h5,.gb-prose h6{font-size:14px;font-weight:600;margin:20px 0 8px;color:var(--gb-text)}.gb-prose h1[id],.gb-prose h2[id],.gb-prose h3[id],.gb-prose h4[id],.gb-prose h5[id],.gb-prose h6[id]{scroll-margin-top:calc(var(--gb-header-h) + 16px)}.gb-prose p{margin:0 0 16px;font-size:16px;line-height:1.7;color:var(--gb-prose)}.gb-prose a{color:var(--gb-accent);text-decoration:none}.gb-prose a:hover{text-decoration:underline}.gb-prose strong{color:var(--gb-text);font-weight:600}.gb-prose em{font-style:italic}.gb-prose code{font-family:var(--gb-mono);font-size:.85em;color:var(--gb-prose);background:var(--gb-code-inline-bg);padding:2px 5px;border-radius:4px}.gb-prose ol,.gb-prose ul{margin:0 0 16px;padding-left:24px}.gb-prose li{margin:6px 0;line-height:1.7}.gb-prose li>ol,.gb-prose li>ul{margin:6px 0}.gb-prose ul{list-style:disc}.gb-prose ol{list-style:decimal}.gb-prose blockquote{margin:16px 0;padding:4px 16px;border-left:3px solid var(--gb-border-strong);color:var(--gb-muted)}.gb-prose blockquote p{margin:8px 0}.gb-prose hr{margin:32px 0;border:none;border-top:1px solid var(--gb-border)}.gb-prose table{width:100%;margin:20px 0;border-collapse:collapse;font-size:14px;display:block;overflow-x:auto}.gb-prose td,.gb-prose th{padding:10px 14px;border:1px solid var(--gb-border);text-align:left;vertical-align:top}.gb-prose th{background:rgba(255,255,255,.03);font-weight:600;color:var(--gb-text)}.gb-prose img{max-width:100%;height:auto}.gb-figure{margin:24px 0}.gb-figure img{display:block;max-width:100%;height:auto;border-radius:8px;border:1px solid var(--gb-border)}.gb-figure figcaption{margin-top:8px;font-size:13px;color:var(--gb-muted);text-align:center}.gb-prose mark{background:transparent;color:inherit}.gb-code{position:relative;margin:20px 0;background:var(--gb-code-panel);border:1px solid var(--gb-border);border-radius:8px;overflow:hidden}.gb-code-title{display:flex;align-items:center;padding:8px 14px;font-size:12px;font-family:var(--gb-mono);color:var(--gb-muted);background:rgba(255,255,255,.03);border-bottom:1px solid var(--gb-border)}.gb-code pre{margin:0;padding:14px 16px;overflow-x:auto;line-height:1.6;color:var(--gb-prose)}.gb-code code,.gb-code pre{font-family:var(--gb-mono);font-size:13px}.gb-code code{background:transparent;padding:0;color:inherit;white-space:pre}.gb-code-copy{position:absolute;top:8px;right:8px;display:inline-flex;align-items:center;gap:5px;padding:4px 8px;font-size:12px;font-family:var(--gb-font);color:var(--gb-muted);background:rgba(255,255,255,.05);border:1px solid var(--gb-border);border-radius:6px;cursor:pointer;opacity:0;transition:opacity .15s ease,color .15s ease,border-color .15s ease}.gb-code:hover .gb-code-copy{opacity:1}.gb-code-copy:hover{color:var(--gb-text);border-color:var(--gb-border-strong)}.gb-code-title+.gb-code-copy,.gb-code:has(.gb-code-title) .gb-code-copy{top:6px}.gb-callout{display:flex;gap:12px;margin:20px 0;padding:14px 16px;border:1px solid var(--gb-border);border-radius:6px;background:#2c2c2c}.gb-callout-icon{flex:0 0 auto;display:inline-flex;align-items:center;line-height:1.6;font-size:16px}.gb-callout-icon svg{width:18px;height:18px}.gb-callout-body{flex:1 1;min-width:0}.gb-callout-body>:first-child{margin-top:0}.gb-callout-body>:last-child{margin-bottom:0}.gb-callout-success{background:#252f26;border-color:#2a4d30}.gb-callout-success .gb-callout-icon{color:#3aa657}.gb-callout-info{background:#2c2c2c;border-color:#434343}.gb-callout-info .gb-callout-icon{color:#346ddb}.gb-callout-warning{background:#2e2719;border-color:#5c4a1e}.gb-callout-warning .gb-callout-icon{color:#d9a514}.gb-callout-danger{background:#372726;border-color:#643330}.gb-callout-danger .gb-callout-icon{color:#e5484d}.gb-embed{margin:20px 0}.gb-embed video{display:block;width:100%;border-radius:8px;background:#000}.gb-embed video,.gb-embed-link{border:1px solid var(--gb-border)}.gb-embed-link{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:8px;background:rgba(255,255,255,.02);color:var(--gb-prose);text-decoration:none;font-size:14px;word-break:break-all;transition:border-color .15s ease,background .15s ease}.gb-embed-link:hover{border-color:var(--gb-accent);background:rgba(255,255,255,.04)}.gb-prevnext{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin:48px 0 24px}.gb-prevnext-card{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid var(--gb-border);border-radius:12px;text-decoration:none;color:var(--gb-text);transition:border-color .15s ease,background .15s ease}.gb-prevnext-card:hover{border-color:var(--gb-accent);background:rgba(255,255,255,.02)}.gb-prevnext-card.is-next{grid-column:2;justify-content:flex-end;text-align:right;flex-direction:row-reverse}.gb-prevnext-label{display:block;font-size:12px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;color:var(--gb-muted);margin-bottom:4px}.gb-prevnext-title{display:block;font-size:15px;font-weight:600;color:var(--gb-text)}.gb-prevnext-chevron{flex:0 0 auto;display:inline-flex;color:var(--gb-muted)}.gb-prevnext-card:hover .gb-prevnext-chevron{color:var(--gb-accent)}.gb-last-updated{margin-top:8px;font-size:13px;color:var(--gb-muted)}.gb-toc{position:-webkit-sticky;position:sticky;top:calc(var(--gb-header-h) + 40px);align-self:start;max-height:calc(100vh - var(--gb-header-h) - 80px);overflow-y:auto;font-size:13px}.gb-toc-title{margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;color:var(--gb-muted)}.gb-toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--gb-border)}.gb-toc-item{margin:0}.gb-toc-link{display:block;padding:4px 0 4px 14px;margin-left:-1px;border-left:2px solid transparent;color:var(--gb-muted);text-decoration:none;line-height:1.5;transition:color .12s ease,border-color .12s ease}.gb-toc-link:hover{color:var(--gb-text)}.gb-toc-link.is-active{color:var(--gb-accent);border-left-color:var(--gb-accent)}.gb-toc-item[data-level="3"] .gb-toc-link{padding-left:28px}.gb-search-overlay{position:fixed;inset:0;z-index:100;display:flex;justify-content:center;align-items:flex-start;padding:14vh 16px 16px;background:rgba(0,0,0,.6);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.gb-search-panel{width:100%;max-width:600px;background:#232323;border:1px solid var(--gb-border-strong);border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.5);overflow:hidden}.gb-search-input-row{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--gb-border)}.gb-search-input{flex:1 1;background:transparent;border:none;outline:none;color:var(--gb-text);font-size:16px;font-family:inherit}.gb-search-input::placeholder{color:var(--gb-muted)}.gb-search-results{max-height:50vh;overflow-y:auto;padding:8px}.gb-search-result{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--gb-prose);text-decoration:none;cursor:pointer}.gb-search-result.is-active,.gb-search-result:hover{background:var(--gb-hover);color:var(--gb-text)}.gb-search-result-emoji{flex:0 0 auto;font-size:15px}.gb-search-result-title{flex:1 1;min-width:0;font-size:14px}.gb-search-result-section{flex:0 0 auto;font-size:11px;text-transform:uppercase;letter-spacing:.3px;color:var(--gb-muted)}.gb-search-empty{padding:24px 12px;text-align:center;color:var(--gb-muted);font-size:14px}@media (max-width:1279px){.gb-page{grid-template-columns:minmax(0,1fr);max-width:calc(var(--gb-content-max) + 80px);padding:32px 32px 72px}.gb-toc{display:none}}@media (max-width:1023px){.gb-main{grid-template-columns:minmax(0,1fr)}.gb-menu-btn{display:inline-flex}.gb-sidebar{position:fixed;top:var(--gb-header-h);left:0;bottom:0;height:auto;width:min(300px,85vw);z-index:50;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 40px rgba(0,0,0,.5)}.gb-sidebar[data-sidebar-open=true]{transform:translateX(0)}.gb-sidebar-backdrop{position:fixed;inset:var(--gb-header-h) 0 0 0;z-index:45;background:rgba(0,0,0,.5)}}@media (max-width:600px){.gb-page{padding:24px 18px 56px}.gb-h1,.gb-prose h1{font-size:28px}.gb-prose h2{font-size:21px}.gb-prevnext{grid-template-columns:1fr}.gb-prevnext-card.is-next{grid-column:1}.gb-search-btn{min-width:0}.gb-search-btn .gb-kbd,.gb-search-btn .gb-search-label{display:none}}