:root{--pico-font-size: 106.25%;--content-wide: 78rem;scrollbar-gutter:stable}html,body{overflow-x:clip}.skip-link{position:fixed;left:.5rem;top:-4rem;z-index:30;padding:.5rem .9rem;background:var(--pico-card-background-color);border:1px solid var(--pico-primary);border-radius:var(--pico-border-radius);box-shadow:0 2px 8px #00000026;text-decoration:none;transition:top .15s ease}.skip-link:focus{top:.5rem}#main-content:focus{outline:none}.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}.site-header{position:sticky;top:0;z-index:10;padding-block:.45rem;background:var(--pico-card-background-color);border-bottom:1px solid var(--pico-muted-border-color);box-shadow:0 1px 3px #0000000d}@media (display-mode: window-controls-overlay){.site-header{margin-left:env(titlebar-area-x,0);width:env(titlebar-area-width,100%);min-height:env(titlebar-area-height,2.5rem);-webkit-app-region:drag}.site-header a,.site-header button,.site-header input,.site-header select,.site-header summary{-webkit-app-region:no-drag}}.site-header nav{--pico-nav-element-spacing-vertical: .4rem}.site-header .nav-links a{text-decoration:none;border-radius:var(--pico-border-radius);padding:.2rem .5rem;margin:-.2rem 0;transition:background .12s ease}.site-header .nav-links a:hover,.site-header .nav-links a:focus-visible{background:var(--pico-card-sectioning-background-color)}.site-header .nav-links a[aria-current]:not([aria-current=false]){background:color-mix(in srgb,var(--pico-primary-focus) 65%,transparent);color:var(--pico-primary)}.nav-right{display:flex;align-items:center;gap:.4rem;position:relative}.nav-links{display:flex;align-items:center;margin:0;padding:0;list-style:none}.nav-links li{list-style:none}.nav-menu-label,.nav-menu-hint{display:none}.nav-toggle{display:none;align-items:center;justify-content:center;width:auto;margin:0;padding:.4rem}.nav-toggle .icon-close,.nav-right.nav-open .nav-toggle .icon-menu{display:none}.nav-right.nav-open .nav-toggle .icon-close{display:inline}.nav-toggle,.ref-trigger{border-color:var(--pico-muted-border-color);color:var(--pico-muted-color)}.nav-toggle:hover,.nav-toggle:focus-visible,.ref-trigger:hover,.ref-trigger:focus-visible{border-color:var(--pico-color);color:var(--pico-color)}@media (max-width: 1024px){.js .nav-toggle{display:inline-flex}.js .nav-links{display:none;position:absolute;top:calc(100% + .5rem);right:0;z-index:30;min-width:11rem;padding:.35rem;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:0 6px 24px #0000001f}.js .nav-right.nav-open .nav-links{display:block}.js .nav-links li{display:block;margin:0}.js .nav-links .nav-menu-label{display:block;margin:.15rem;padding:.25rem .6rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--pico-muted-color)}.js .nav-links a{display:block;padding:.45rem .6rem;margin:0}.js .nav-links .nav-menu-hint{display:block;margin:.25rem .15rem .1rem;padding:.35rem .6rem .1rem;border-top:1px solid var(--pico-muted-border-color);font-size:.72rem;color:var(--pico-muted-color)}.no-js .nav-links{flex-wrap:wrap;justify-content:flex-end}}.brand-mark{height:1.5em;width:auto;vertical-align:-.35em}.hero{text-align:center;margin:.5rem 0 1.75rem}.hero img{height:clamp(180px,28vw,300px);width:auto}.with-toc{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--pico-spacing)}@media (min-width: 1024px){.with-toc{grid-template-columns:16rem minmax(0,1fr);gap:calc(var(--pico-spacing) * 2)}}.toc nav{display:block;position:sticky;top:4.5rem;max-height:calc(100vh - 5.5rem);overflow-y:auto;font-size:.875rem}.toc nav ul{display:block;list-style:none;margin:0;padding:0}.toc nav li{display:block;margin:0;padding:0}.toc nav ul ul{padding-left:.85rem}.toc nav a{display:block;margin:0 -.4rem;padding:.2rem .4rem;color:var(--pico-muted-color);text-decoration:none;line-height:1.4;border-radius:var(--pico-border-radius);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toc nav a:hover,.toc nav a:focus-visible{color:var(--pico-primary);background:var(--pico-card-sectioning-background-color)}.toc nav a[aria-current]:not([aria-current=false]){color:var(--pico-primary);font-weight:600}.toc-title{margin:0 0 .5rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--pico-muted-color)}.toc nav .toc-title:not(:first-child){margin-top:1.1rem}.toc nav .section-nav a[aria-current]:not([aria-current=false]){color:var(--pico-primary);font-weight:600}.toc nav .subtree-nav a{color:var(--pico-muted-color)}.toc nav .subtree-nav a:hover{color:var(--pico-contrast)}.subtree-d2{padding-left:.85rem}.subtree-d3{padding-left:1.7rem}.subtree-d4{padding-left:2.55rem}.toc-hint{display:none}.page-tools{display:flex;align-items:stretch;gap:.4rem;position:relative;margin:0 0 1rem}.page-tools .search-wrap{display:flex}.toc-toggle{display:inline-flex;align-items:center;justify-content:center;width:auto;align-self:center;margin:0;padding:.4rem}.toc-toggle[aria-expanded=false]{background-color:var(--accent-violet)!important;border-color:var(--accent-violet);color:var(--accent-violet-inverse, #fff)}.toc-toggle[aria-expanded=true],.toc-toggle[aria-expanded=false]:hover{background-color:var(--accent-violet-hover, var(--accent-violet))!important;border-color:var(--accent-violet-hover, var(--accent-violet));color:var(--accent-violet-inverse, #fff)}.page-tools-secondary{display:flex;align-items:baseline;gap:.75rem;margin:.25rem 0 1rem}.page-tools-edit{margin-left:auto}.page-tools-edit a{margin:0 .3rem}.search-wrap{position:relative;flex:0 1 26rem;min-width:0}.page-tools .search-input,.search-page-inputwrap .search-input{margin:0;font-size:.875rem;line-height:1.4;height:auto;border-radius:var(--pico-border-radius);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238891a4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:.6rem center;background-size:1rem 1rem}.page-tools .search-input{width:100%;min-width:0;padding:.45rem 5rem .45rem 1.9rem}.search-page-inputwrap .search-input{width:100%;padding:.5rem .9rem .5rem 2.1rem}.search-hint{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.2rem;pointer-events:none;color:var(--pico-muted-color);opacity:1;transition:opacity .1s}.search-hint kbd{font-family:inherit;font-size:.7rem;line-height:1;padding:.15rem .3rem;color:var(--pico-muted-color);background:transparent;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:none}.search-wrap:has(.search-input:focus) .search-hint,.search-wrap:has(.search-input:not(:placeholder-shown)) .search-hint{opacity:0}.search-results{position:absolute;top:calc(100% + .3rem);left:0;z-index:20;width:min(30rem,100%);margin:0;padding:.35rem;list-style:none;max-height:60vh;overflow-y:auto;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:0 6px 24px #0000001f}.search-results[hidden]{display:none}.search-results li{margin:0;padding:0}.search-results a{display:flex;flex-direction:column;gap:.1rem;padding:.4rem .5rem;border-radius:var(--pico-border-radius);text-decoration:none}.search-results a:hover,.search-results a:focus-visible{background:var(--pico-card-sectioning-background-color)}.search-results a[aria-selected=true]{background:var(--pico-primary)}.search-results a[aria-selected=true] .search-title,.search-results a[aria-selected=true] .search-url{color:var(--pico-primary-inverse)}.search-title{color:var(--pico-color);font-weight:600}.search-url{font-size:.8rem;color:var(--pico-muted-color)}.search-empty{padding:.4rem .5rem;color:var(--pico-muted-color)}.with-toc.toc-collapsed .toc{display:none}@media (min-width: 1024px){.with-toc.toc-collapsed{grid-template-columns:minmax(0,1fr)}}@media (max-width: 1023px){.search-wrap{flex:1 1 auto}.toc nav{position:static;max-height:none}.js .toc{display:block;position:fixed;left:0;right:0;top:0;z-index:1000;max-height:70vh;overflow-y:auto;padding:calc(1rem + env(safe-area-inset-top)) var(--pico-spacing) 1rem;background:var(--pico-card-background-color);border-bottom:1px solid var(--pico-muted-border-color);border-bottom-left-radius:var(--pico-border-radius);border-bottom-right-radius:var(--pico-border-radius);box-shadow:0 4px 24px #00000040;transform:translateY(-100%);transition:transform .25s ease}.js .toc nav{position:static;max-height:none}.js .toc nav a{margin-left:0;margin-right:0}.js .toc.toc-sheet-open{transform:translateY(0)}.js .toc .toc-hint{display:block;margin:.5rem 0 0;padding:.5rem 0 0;border-top:1px solid var(--pico-muted-border-color);font-size:.72rem;color:var(--pico-muted-color)}.toc-backdrop{position:fixed;inset:0;z-index:999;background:#0006}}.mermaid{display:flex;justify-content:center}.mermaid>svg{height:auto}article :is(h2,h3,h4,h5,h6){scroll-margin-top:4.5rem}h1,h2,h3,h4,h5,h6,.related-card-title,blockquote{text-wrap:balance}article p,article li{text-wrap:pretty}.page-provenance{margin-top:2rem;padding-top:.75rem;border-top:1px solid var(--pico-muted-border-color);color:var(--pico-muted-color)}.recent-changes{margin-top:.5rem;font-size:.85rem;border-bottom:none}.recent-changes>summary:not([role]){width:fit-content;cursor:pointer;color:var(--pico-muted-color);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.recent-changes[open]>summary{margin-bottom:.5rem}.page-provenance .recent-changes>summary:not([role]),.page-provenance .recent-changes>summary:not([role]):hover,.page-provenance .recent-changes>summary:not([role]):focus,.page-provenance .recent-changes>summary:not([role]):focus-visible,.page-provenance .recent-changes[open]>summary:not([role]){color:var(--pico-muted-color)}.recent-changes[open]>ul{padding:.6rem .75rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);background:var(--syntax-panel-bg)}.recent-changes ul{list-style:none;margin:0;padding:0}.recent-changes li{padding:.25rem 0;list-style:none;color:var(--pico-muted-color)}.recent-changes li+li{border-top:1px solid var(--pico-muted-border-color)}.recent-changes>p{margin:.6rem 0 0}.post-tags{display:flex;flex-wrap:wrap;gap:.375rem;margin-bottom:.6rem}.post-tags .tag{font-size:.7rem;line-height:1;padding:.3rem .6rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);color:var(--pico-muted-color);white-space:nowrap}.post-tags .tag.generated{background:var(--pico-muted-border-color);color:var(--pico-color);cursor:help}.post-tags a.tag{text-decoration:none;transition:background-color .12s ease,color .12s ease,border-color .12s ease}.post-tags a.tag:hover,.post-tags a.tag:focus-visible{background:var(--pico-muted-border-color);border-color:var(--pico-muted-border-color);color:var(--pico-color)}.search-page-inputwrap{position:relative;margin:.5rem 0 0}.search-page-status{margin:0 0 .5rem;color:var(--pico-muted-color);font-size:.85rem}.site-search main.container{max-width:var(--content-wide)}.search-layout{margin-top:.75rem}@media (min-width: 1024px){.search-layout{display:grid;grid-template-columns:17rem minmax(0,1fr);gap:2.25rem;align-items:start}.search-side{grid-column:1;grid-row:1}.search-main{grid-column:2;grid-row:1}.search-side .search-syntax{position:sticky;top:4.5rem;margin:0}}.search-side .search-syntax dl{display:block}.search-side .search-syntax dt{margin-top:.55rem}.search-side .search-syntax dt:first-of-type{margin-top:0}.search-side .search-syntax dd{margin:.1rem 0 0;font-size:.8rem}.result-desc,.result-snippet{max-width:60rem}.search-facets{position:absolute;top:calc(100% - .25rem);left:0;z-index:20;width:min(24rem,100%);margin:0;padding:.3rem;list-style:none;max-height:16rem;overflow-y:auto;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:0 6px 24px #0000001f}.search-facets[hidden]{display:none}.search-facets li{margin:0;padding:.35rem .5rem;border-radius:var(--pico-border-radius);cursor:pointer;font-size:.9rem}.search-facets li:hover{background:var(--pico-card-sectioning-background-color)}.search-facets li[aria-selected=true]{background:var(--pico-primary);color:var(--pico-primary-inverse)}.search-facets li[aria-selected=true] .facet-key{color:var(--pico-primary-inverse)}.facet-key{color:var(--pico-muted-color)}.search-chips{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem;margin:.5rem 0 0;font-size:.75rem}.search-chips[hidden]{display:none}.qchip{padding:.15rem .5rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);color:var(--pico-muted-color);white-space:nowrap}.qchip-field{color:var(--pico-color);background:var(--pico-card-sectioning-background-color)}.qchip-field b{font-weight:600}.qchip-phrase{font-style:italic}.qop{font-weight:600;font-size:.68rem;letter-spacing:.04em;color:var(--pico-muted-color)}.qbracket{font-weight:600;color:var(--pico-muted-color)}.search-page-results{list-style:none;margin:0;padding:0}.search-page-results li{margin:0;padding:.5rem .5rem .55rem;list-style:none;border-top:1px solid var(--pico-muted-border-color)}.search-page-results li:last-child{border-bottom:1px solid var(--pico-muted-border-color)}.result-main{display:flex;flex-direction:column;gap:.1rem;padding:.15rem .25rem;margin:-.15rem -.25rem 0;border-radius:var(--pico-border-radius);text-decoration:none}.result-main:hover,.result-main:focus-visible{background:var(--pico-card-sectioning-background-color)}.result-head{display:flex;align-items:baseline;gap:.5rem}.result-type{margin-left:auto;flex:none;font-size:.68rem;color:var(--pico-muted-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);padding:.05rem .4rem;white-space:nowrap}.result-desc{color:var(--pico-contrast);font-size:.85rem;line-height:1.4}.result-snippet{color:var(--pico-muted-color);font-size:.8rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-tags{display:flex;flex-wrap:wrap;gap:.3rem;margin:.35rem 0 0}.result-tags a{font-size:.68rem;line-height:1;color:var(--pico-muted-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);padding:.2rem .4rem;text-decoration:none;white-space:nowrap}.result-tags a:hover,.result-tags a:focus-visible{background:var(--pico-muted-border-color);color:var(--pico-color)}.search-syntax{margin:.75rem 0 .25rem;padding:.6rem .75rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);background:var(--syntax-panel-bg);font-size:.85rem}.search-syntax-title{margin:0 0 .4rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--pico-muted-color)}.search-syntax-lead{margin:0 0 .6rem;color:var(--pico-muted-color)}.search-syntax dl{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;margin:0;align-items:baseline}.search-syntax dt,.search-syntax dd{margin:0}.search-syntax dd{color:var(--pico-muted-color)}.syntax-example{text-decoration:none}.syntax-example code{color:var(--pico-code-color)}.syntax-example:hover code,.syntax-example:focus-visible code{color:var(--pico-primary);text-decoration:underline}.tour-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:var(--pico-spacing);list-style:none;margin:1.5rem 0 0;padding:0}.tour-card{display:flex;flex-direction:column;margin:0;padding:1rem 1.1rem 1.1rem;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius)}.tour-head{display:flex;align-items:center;gap:.6rem;padding-bottom:.6rem;border-bottom:1px solid var(--pico-muted-border-color)}.tour-head h3{margin:0;font-size:1.05rem}.tour-num{flex:none;display:inline-flex;align-items:center;justify-content:center;width:1.6rem;height:1.6rem;border-radius:var(--pico-border-radius);background:var(--pico-primary);color:var(--pico-primary-inverse);font-size:.85rem;font-weight:600;font-variant-numeric:tabular-nums}.tour-desc{margin:.6rem 0 .75rem;color:var(--pico-muted-color);font-size:.9rem;line-height:1.5}.tour-teaser{margin:0 0 .9rem;padding:.6rem .7rem;font-size:.72rem;line-height:1.5;overflow-x:auto}.tour-teaser code{white-space:pre}.tour-foot{margin-top:auto;display:flex;flex-direction:column;gap:.3rem}.tour-foot .open-in-playground{align-self:flex-start}.tour-learn{white-space:nowrap;color:var(--pico-muted-color);text-decoration:underline;text-underline-offset:.15em}.tour-learn:hover,.tour-learn:focus-visible{color:var(--pico-color)}.xref-arrow{display:inline-block;font-size:.95em;vertical-align:-.02em}.ext-arrow{display:inline-block;font-size:.85em;vertical-align:.05em;opacity:.7}.search-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.35rem .75rem;position:sticky;bottom:-.35rem;margin:.25rem -.35rem -.35rem;padding:.45rem .6rem;background:var(--pico-card-background-color);border-top:1px solid var(--pico-muted-border-color);font-size:.75rem}.search-seeall{color:var(--pico-primary);text-decoration:none;white-space:nowrap}.search-seeall:hover,.search-seeall:focus-visible{text-decoration:underline}.search-synhint{color:var(--pico-muted-color)}.search-synhint code{font-size:.72rem;padding:.05rem .3rem}.site-footer{margin-top:1.25rem;padding-bottom:1.5rem;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem 1.5rem;text-align:center}.footer-group{margin:0}@media (max-width: 40rem){.site-footer{flex-direction:column;gap:.35rem}}.site-footer a{color:var(--pico-muted-color);text-decoration:none}.site-footer a:hover{color:var(--pico-color);text-decoration:underline}.code-block{position:relative}.code-copy{position:absolute;top:.5rem;right:.5rem;display:inline-flex;align-items:center;justify-content:center;width:auto;margin:0;padding:.3rem;color:var(--pico-muted-color);background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);cursor:pointer;opacity:0;transition:opacity .15s ease,color .15s ease}.code-copy svg{width:16px;height:16px}.code-block:hover .code-copy,.code-copy:focus-visible{opacity:1}.code-copy:hover{color:var(--pico-primary)}.code-copy.copied{color:var(--pico-primary);opacity:1}@media (hover: none){.code-copy{opacity:.6}}.heading-anchor{margin-left:.4rem;color:var(--pico-muted-color);text-decoration:none;opacity:0;transition:opacity .15s ease,color .15s ease}.heading-anchor svg{width:.7em;height:.7em;vertical-align:middle}article :is(h2,h3,h4,h5,h6):hover .heading-anchor,.heading-anchor:focus-visible{opacity:1}.heading-anchor:hover{color:var(--pico-primary)}.heading-anchor.copied{color:var(--pico-primary);opacity:1}@media (hover: none){.heading-anchor{opacity:.6}}:not(pre)>code{padding-block:.1rem}a code{color:var(--pico-primary)}.breadcrumb{margin-bottom:1.25rem;font-size:.8125rem}.breadcrumb ul{display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none}.breadcrumb li{display:inline-flex;align-items:center;margin:0;padding:0;color:var(--pico-muted-color)}.breadcrumb li:not(:first-child):before{content:"/";margin:0 .5rem;color:var(--pico-muted-border-color)}.breadcrumb a{color:var(--pico-muted-color);text-decoration:none}.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--pico-primary);text-decoration:underline}.breadcrumb [aria-current=page]{color:var(--pico-color)}.page-nav{display:flex;flex-wrap:wrap;gap:var(--pico-spacing);margin-top:2.5rem}.page-nav a{flex:1 1 0;display:flex;flex-direction:column;gap:.15rem;padding:.7rem 1rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);text-decoration:none;transition:border-color .15s ease}.page-nav a:hover{border-color:var(--pico-primary)}.page-nav-next{text-align:right}.page-nav a:only-child{flex:0 1 50%}.page-nav-next:only-child{margin-left:auto}.page-nav-dir{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--pico-muted-color)}.page-nav-title{color:var(--pico-primary);font-weight:600}.blog-index{list-style:none;padding:0;margin:1rem 0 0}.blog-index li{list-style:none;padding:.75rem 0;border-top:1px solid var(--pico-muted-border-color)}.blog-index li:last-child{border-bottom:1px solid var(--pico-muted-border-color)}.blog-index-title{font-weight:600}.blog-index-date{color:var(--pico-muted-color);margin-left:.5rem;font-variant-numeric:tabular-nums}.blog-index-desc{margin:.25rem 0 0;color:var(--pico-muted-color)}.blog-post-meta{margin:-.25rem 0 1.5rem;color:var(--pico-muted-color);font-size:.9rem}.autoindex{font-family:var(--pico-font-family-monospace);background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);padding:.75rem 1rem;font-size:.9rem;line-height:1.4;overflow-x:auto}.autoindex .autoindex-head{font-weight:600;color:var(--pico-muted-color)}.autoindex a{color:var(--pico-primary);text-decoration:none}.autoindex a:hover{text-decoration:underline}.reading-time{color:var(--pico-muted-color);font-style:italic;white-space:nowrap;opacity:.7}.since-badge{display:inline-flex;align-items:baseline;gap:.35rem;margin:0 0 1.25rem;font-size:.72rem;line-height:1;padding:.3rem .6rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);color:var(--pico-muted-color);white-space:nowrap}.since-badge code{font-size:inherit;padding:0;background:none;color:var(--pico-color)}.back-to-top{position:fixed;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));z-index:40;width:2.5rem;height:2.5rem;border-radius:var(--pico-border-radius);padding:0;display:inline-flex;align-items:center;justify-content:center;background:var(--pico-card-background-color);color:var(--pico-primary);border:1px solid var(--pico-muted-border-color);box-shadow:0 2px 8px #0003;opacity:0;transform:translateY(.5rem);pointer-events:none;transition:opacity .15s ease,transform .15s ease}.back-to-top.visible{opacity:.65;transform:translateY(0);pointer-events:auto}.back-to-top.visible:hover,.back-to-top.visible:focus-visible{opacity:1}@media (prefers-reduced-motion: reduce){.back-to-top{transition:none}}.related{margin-top:2.5rem}.related-heading{margin:0 0 .75rem;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--pico-muted-color)}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:.75rem}.related-card{display:flex;flex-direction:column;gap:.25rem;padding:.75rem .9rem;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);text-decoration:none;color:inherit;transition:border-color .15s ease,transform .15s ease}.related-card:hover,.related-card:focus-visible{border-color:var(--pico-primary);transform:translateY(-2px)}.related-card-title{font-weight:600;color:var(--pico-primary)}.related-card-desc{font-size:.85rem;color:var(--pico-muted-color);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media (prefers-reduced-motion: reduce){.related-card{transition:none}.related-card:hover,.related-card:focus-visible{transform:none}}.footnote-ref{font-weight:600;text-decoration:none}.footnote-ref:before{content:"["}.footnote-ref:after{content:"]"}.footnotes{margin-top:2.5rem;font-size:.9rem;color:var(--pico-muted-color)}.footnotes ol{padding-left:1.25rem}.footnotes li{margin:.35rem 0}.footnotes li:target{background:var(--pico-card-sectioning-background-color)}.footnote-backref{margin-left:.35rem;text-decoration:none}.js #announcement-bar{display:none}.js #announcement-bar.is-shown{display:block}#announcement-bar{background:color-mix(in srgb,var(--accent-warm) 15%,var(--pico-background-color));border-bottom:1px solid color-mix(in srgb,var(--accent-warm) 35%,var(--pico-muted-border-color));font-size:.9rem}#announcement-bar .container{display:flex;align-items:center;gap:.75rem;padding:.4rem 1rem}#announcement-bar a{font-weight:600}.announcement-close{margin:0 0 0 auto;flex:none;width:auto;display:inline-flex;align-items:center;justify-content:center;background:none;border:0;padding:.25rem .5rem;min-width:2rem;min-height:2rem;color:inherit;font-size:1.2rem;line-height:1;cursor:pointer;opacity:.7}.announcement-close:hover{opacity:1}.sw-toast{position:fixed;left:max(1rem,env(safe-area-inset-left));bottom:max(1rem,env(safe-area-inset-bottom));z-index:60;max-width:22rem;display:flex;align-items:center;gap:.75rem;padding:.6rem .9rem;font-size:.9rem;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:0 4px 24px #00000040}.sw-toast button{flex:none;width:auto;margin:0;padding:.25rem .6rem;font-size:.85rem}@media print{.site-header,.breadcrumb,.page-tools,.toc,.toc-backdrop,.page-nav,.page-provenance,.site-footer,.back-to-top,.related,.search-results,.skip-link,.sw-toast,#announcement-bar{display:none!important}body{background:#fff!important;color:#000!important}main.container,.container{max-width:none!important;padding:0!important;margin:0!important}.with-toc{display:block!important;grid-template-columns:none!important}article{color:#000!important}article a[href]:not([href^="#"]):after{content:" (" attr(href) ")";color:#555;font-size:.85em;word-break:break-all}pre,code{white-space:pre-wrap!important;word-break:break-word}pre{border:1px solid #ddd;page-break-inside:avoid}h1,h2,h3,h4{page-break-after:avoid}img{max-width:100%!important;height:auto!important}}.code-block.runnable>pre{margin-top:0;margin-bottom:0;border-radius:0}.runnable-bar{display:flex;align-items:center;gap:.75rem;padding:.4rem .6rem;background:var(--pico-card-sectioning-background-color)}.runnable-bar-top{border-bottom:1px solid var(--pico-muted-border-color);border-top-left-radius:var(--pico-border-radius);border-top-right-radius:var(--pico-border-radius)}.runnable-bar-bottom{justify-content:flex-end;border-top:1px solid var(--pico-muted-border-color);border-bottom-left-radius:var(--pico-border-radius);border-bottom-right-radius:var(--pico-border-radius)}.code-block.runnable:has(+.runnable-output) .runnable-bar-bottom{border-bottom-left-radius:0;border-bottom-right-radius:0}.run-example{padding:.2rem .65rem;font-size:.85rem;border-radius:var(--pico-border-radius);display:inline-flex;align-items:center;gap:.4rem;margin:0;background-color:var(--pico-primary);border-color:var(--pico-primary);color:var(--pico-primary-inverse)}.run-example:hover,.run-example:focus-visible{background-color:var(--pico-primary-hover);border-color:var(--pico-primary-hover)}.run-example[disabled]{opacity:.6}.open-in-playground,.open-in-playground:visited{display:inline-flex;align-items:center;gap:.3rem;font-size:.85rem;font-weight:500;line-height:1.5;color:var(--pico-primary);text-decoration:none}.open-in-playground:hover,.open-in-playground:focus-visible,.open-in-playground:visited:hover,.open-in-playground:visited:focus-visible{color:var(--pico-primary-hover);text-decoration:underline;text-underline-offset:.15em}.open-in-playground .oip-arrow{font-size:.95em;line-height:1}.runnable-copy{display:inline-flex;align-items:center;justify-content:center;width:auto;margin:0;padding:.3rem;color:var(--pico-muted-color);background:transparent;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);cursor:pointer;transition:color .15s ease,border-color .15s ease}.runnable-copy svg{width:16px;height:16px;display:block}.runnable-copy:hover,.runnable-copy:focus-visible{color:var(--pico-primary);border-color:var(--pico-primary)}.runnable-copy.copied{color:var(--pico-primary);border-color:var(--pico-primary)}.runnable-bar-top .runnable-copy{margin-left:auto}.runnable-output{margin:0 0 1rem;padding:.6rem .75rem;background:var(--pico-code-background-color);border-top:1px solid var(--pico-muted-border-color);border-radius:0 0 var(--pico-border-radius) var(--pico-border-radius);font-size:.9rem;white-space:pre-wrap;animation:runnable-output-in .16s ease-out}@keyframes runnable-output-in{0%{opacity:0;transform:translateY(-.4rem)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: reduce){.runnable-output{animation:none}}.runnable-output.failed{border-top-color:var(--pico-del-color, #b3261e)}.glossary-term,.glossary-term:visited{color:inherit;text-decoration:none;background-color:var(--glossary-highlight);box-shadow:inset 0 -.07em 0 var(--glossary-highlight-rule);border-radius:2px;padding:0 .12em;-webkit-box-decoration-break:clone;box-decoration-break:clone;cursor:pointer;transition:background-color .12s ease}.glossary-term:hover,.glossary-term:focus-visible,.glossary-term.is-open{background-color:var(--glossary-highlight-strong)}.convention-hint,.convention-hint:visited{display:inline-flex;align-items:center;justify-content:center;width:.95em;height:.95em;margin-left:.3em;vertical-align:-.08em;color:var(--pico-muted-color);text-decoration:none;cursor:help;transition:color .12s ease}.convention-hint svg{width:100%;height:100%;display:block}.convention-hint:hover,.convention-hint:focus-visible,.convention-hint.is-open{color:var(--pico-contrast)}.code-xref,.code-xref:visited{color:inherit;text-decoration:underline dotted;text-decoration-color:var(--pico-muted-color);text-underline-offset:.15em;cursor:pointer}.code-xref:hover,.code-xref:focus-visible,.code-xref.is-open{color:var(--pico-primary);text-decoration-style:solid;text-decoration-color:var(--pico-primary)}.glossary-popover{position:absolute;z-index:60;width:max-content;max-width:22rem;margin:0;padding:.6rem .75rem;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);box-shadow:0 6px 24px #00000024;font-size:.85rem;line-height:1.5}.glossary-popover[hidden]{display:none}.glossary-reveal{height:0;overflow:hidden;transition:height .42s cubic-bezier(.22,.61,.36,1);margin-left:calc(-1 * var(--pico-block-spacing-horizontal));margin-right:calc(-1 * var(--pico-block-spacing-horizontal))}.glossary-reveal-inner{position:relative;margin:.5rem 0;padding:1.1rem calc(var(--pico-block-spacing-horizontal) + 3rem) 1.1rem var(--pico-block-spacing-horizontal);border-radius:0;background:var(--pico-card-background-color);border:1px solid var(--pico-muted-border-color);box-shadow:inset 0 14px 14px -16px #00000040,inset 0 -14px 14px -16px #00000040;font-size:.9rem}.glossary-reveal-inner>*{opacity:0;transform:translateY(6px);transition:opacity .3s ease .12s,transform .3s ease .12s}.glossary-reveal.is-open .glossary-reveal-inner>*{opacity:1;transform:none}.glossary-reveal-close{position:absolute;top:.25rem;right:.25rem;display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;min-width:0;margin:0;padding:0;background:transparent;border:0;color:var(--pico-muted-color);font-size:1.35rem;line-height:1;cursor:pointer}.glossary-reveal-close:hover,.glossary-reveal-close:focus-visible{color:var(--pico-color)}.gloss-kind{margin:0 0 .25rem;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--pico-primary)}.gloss-def{margin:0 0 .5rem;color:var(--pico-muted-color)}.glossary-reveal-inner .gloss-def{color:var(--pico-color)}.gloss-jumps{display:flex;flex-wrap:wrap;gap:.75rem;padding-top:.5rem;border-top:1px solid var(--pico-muted-border-color);font-size:.8rem}.demo-callout{display:flex;gap:.75rem;align-items:flex-start;margin:1.25rem 0;padding:.8rem .9rem;background:var(--demo-accent-bg);border:1px solid color-mix(in srgb,var(--demo-accent) 28%,var(--pico-muted-border-color));border-left:3px solid var(--demo-accent);border-radius:var(--pico-border-radius)}.demo-callout-icon{flex:none;margin-top:.1rem;color:var(--demo-accent)}.demo-callout-body{flex:1}.demo-callout-title{margin:0;font-weight:600;font-size:.9rem;color:var(--demo-accent-strong)}.demo-callout-desc{margin:.15rem 0 .5rem;font-size:.86rem;color:var(--pico-color)}.demo-callout-link{display:inline-flex;align-items:center;gap:.3rem;font-size:.83rem;font-weight:600;color:var(--demo-accent);text-decoration:none}.demo-callout-link:hover,.demo-callout-link:focus-visible{color:var(--demo-accent-strong);text-decoration:underline}.glossary-backlinks{margin:.4rem 0 0}.glossary-backlinks>summary{display:inline-flex;align-items:center;gap:.4rem;width:fit-content;margin:0;padding:.15rem .5rem;font-size:.78rem;color:var(--pico-muted-color);border:1px solid var(--pico-muted-border-color);cursor:pointer;user-select:none;list-style:none;transition:color .15s ease,border-color .15s ease}.glossary-backlinks>summary::-webkit-details-marker{display:none}.glossary-backlinks>summary:after{content:none}.glossary-backlinks>summary:before{content:"";flex:none;width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .15s ease}.glossary-backlinks[open]>summary:before{transform:rotate(90deg)}.glossary-backlinks>summary:hover,.glossary-backlinks>summary:focus-visible{color:var(--pico-primary);border-color:var(--pico-primary)}.glossary-backlinks[open]>summary{margin-bottom:0}.glossary-backlinks>div{display:flex;align-items:baseline;gap:.6rem;margin-top:.4rem;padding-left:.75rem;border-left:1px solid var(--pico-muted-border-color)}.glossary-backlinks>div>b{flex:none;width:7rem;font-size:.72rem;font-weight:600;color:var(--pico-muted-color)}.glossary-backlinks ul{flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:.25rem;margin:0;padding:0;list-style:none}.glossary-backlinks li{margin:0;padding:0;list-style:none}.glossary-backlinks li::marker{content:none}.glossary-backlinks a{display:inline-block;padding:.05rem .35rem;font-size:.76rem;color:var(--pico-muted-color);border:1px solid var(--pico-muted-border-color);text-decoration:none}.glossary-backlinks a:hover{color:var(--pico-primary);border-color:var(--pico-primary)}@media (max-width: 40rem){.glossary-backlinks>div{display:block}.glossary-backlinks>div>b{display:block;width:auto;margin-bottom:.25rem}}.charm-patch{margin:.6rem 0 1.25rem}.charm-patch>summary{display:flex;align-items:center;gap:.5rem;margin:0;padding:.4rem .7rem;font-size:.85rem;color:var(--pico-muted-color);background:var(--pico-card-sectioning-background-color);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);cursor:pointer;user-select:none;list-style:none;transition:color .15s ease,border-color .15s ease}.charm-patch>summary::-webkit-details-marker{display:none}.charm-patch>summary:after{content:none}.charm-patch>summary:before{content:"";flex:none;width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .15s ease}.charm-patch[open]>summary:before{transform:rotate(90deg)}.charm-patch>summary:hover{color:var(--pico-primary);border-color:var(--pico-primary)}.charm-patch[open]>summary{margin-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0}.charm-patch[open] .code-block{margin-top:0}.charm-patch[open] .code-block>pre{margin-top:0;border-top-left-radius:0;border-top-right-radius:0}.site-public .page-tools,.site-public .page-tools-secondary,.site-public .page-provenance{display:none}.site-public .autoindex{background:transparent;border:0;padding:0}.no-js #settings-btn,.no-js .search-page-inputwrap,.no-js .announcement-close{display:none}.noscript-notice{padding:.4rem .6rem;font-size:.85rem;color:var(--pico-muted-color);background:var(--pico-card-sectioning-background-color);border-left:3px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius)}.noscript-inline{font-size:.85rem;color:var(--pico-muted-color);font-style:italic}.js .mermaid-src-caption{display:none}.mermaid-src-caption{display:block;margin-top:.25rem}.admonition{margin:1rem 0;padding:.6rem 1rem .75rem 1.1rem;background:var(--pico-card-sectioning-background-color);border-left:4px solid var(--pico-muted-color);border-radius:var(--pico-border-radius)}.admonition-title{margin:0 0 .3rem;font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.03em;color:var(--pico-muted-color)}.admonition p:last-child{margin-bottom:0}.admonition-note{border-left-color:#3178c6}.admonition-note .admonition-title{color:#3178c6}.admonition-tip{border-left-color:#2e8b57}.admonition-tip .admonition-title{color:#2e8b57}.admonition-important{border-left-color:#8a2be2}.admonition-important .admonition-title{color:#8a2be2}.admonition-warning{border-left-color:#d99a1f}.admonition-warning .admonition-title{color:#d99a1f}.admonition-caution{border-left-color:#d13438}.admonition-caution .admonition-title{color:#d13438}.code-block-titled{margin:1rem 0;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);overflow:hidden}.code-block-titled figcaption{font-family:var(--pico-font-family-monospace);font-size:.8rem;padding:.35rem .75rem;color:var(--pico-muted-color);background:var(--pico-card-sectioning-background-color);border-bottom:1px solid var(--pico-muted-border-color)}.code-block-titled pre{margin:0;border:0;border-radius:0}.table-scroll{margin:1rem 0;max-width:100%;overflow-x:auto}.table-scroll table{margin:0}.shortcut-help[open]{max-width:22rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);padding:0}.shortcut-help header{display:flex;align-items:center;justify-content:space-between;padding:.6rem .9rem;border-bottom:1px solid var(--pico-muted-border-color)}.shortcut-help header h2{margin:0;font-size:1rem}.shortcut-close{background:transparent;border:0;font-size:1.25rem;line-height:1;padding:.1rem .4rem;color:var(--pico-muted-color);cursor:pointer}.shortcut-close:hover{color:var(--pico-primary)}.shortcut-help dl{margin:0;padding:.75rem .9rem;display:grid;grid-template-columns:max-content 1fr;column-gap:1rem;row-gap:.4rem;align-items:center}.shortcut-help dt{margin:0}.shortcut-help dd{margin:0;color:var(--pico-muted-color)}.shortcut-help kbd{font-family:inherit;font-size:.85rem;padding:.05rem .4rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);background:var(--pico-card-sectioning-background-color)}.shortcut-help::backdrop{background:#00000059}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}:focus-visible{outline:2px solid var(--pico-primary);outline-offset:2px}.page-tools .search-input:focus,.page-tools .search-input:focus-visible,.search-page-inputwrap .search-input:focus,.search-page-inputwrap .search-input:focus-visible{--pico-form-element-focus-color: transparent;--pico-form-element-focus-border-color: var(--pico-form-element-border-color);box-shadow:none}.code-block-titled{position:relative}.code-block-titled figcaption:after{content:attr(data-lang);float:right;color:var(--pico-muted-color);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em}@view-transition{navigation: auto;}::view-transition-old(root),::view-transition-new(root){animation-duration:.15s;animation-timing-function:ease}@media (display-mode: standalone){.site-header{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-top:env(safe-area-inset-top)}.site-footer{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom)}body{overscroll-behavior-y:none}*{-webkit-tap-highlight-color:transparent}.site-header .nav-links a,.site-header .nav-toggle,.site-footer a,button,[role=button],#graph-legend .legend-row{user-select:none;touch-action:manipulation}}.offline-badge{font-size:.72rem;font-weight:600;padding:.1rem .5rem;border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);color:var(--pico-muted-color);line-height:1.5;align-self:center;white-space:nowrap}.verify-note{margin-top:1.5rem;font-size:.8rem;color:var(--pico-muted-color)}