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svg{flex-shrink:0;color:var(--reader-colour-muted)}.reader-search-empty{display:grid;justify-items:center;gap:1rem;padding:4rem 1.5rem;text-align:center}.reader-search-empty-icon{display:grid;place-items:center;width:3.5rem;height:3.5rem;border:1px solid var(--reader-colour-border);border-radius:1rem;color:var(--reader-colour-accent);background:var(--reader-colour-surface)}.reader-search-empty h2{font-size:1.2rem;font-weight:600;letter-spacing:-.025em}.reader-search-empty p{max-width:44ch;color:var(--reader-colour-muted);font-size:.9rem;line-height:1.75}.reader-search-pagination{padding-top:1.25rem;border-top:1px solid var(--reader-colour-border);margin-top:2rem;color:var(--reader-colour-muted);font-size:.8rem}.portal-root .portal-search-result{min-width:0;overflow-wrap:anywhere;padding:1.4rem 1.5rem;border-color:var(--reader-colour-border);border-radius:var(--reader-radius);background:var(--reader-colour-surface);box-shadow:none;transition:border-color .15s ease,background-color .15s ease}.portal-root .portal-search-result:after,.portal-root .portal-search-result:before{content:none}.portal-root .portal-search-result:is(:hover,:focus-within){border-color:color-mix(in srgb,var(--reader-colour-primary) 34%,var(--reader-colour-border));background:color-mix(in srgb,var(--reader-colour-primary) 2%,var(--reader-colour-surface))}.portal-root .portal-search-result>a{color:var(--reader-colour-accent);font-size:1.025rem;font-weight:600;line-height:1.5;letter-spacing:-.015em}.portal-root .portal-search-result:is(:hover,:focus-within)>a{color:var(--reader-colour-accent)}.portal-root .portal-search-result>p{color:var(--reader-colour-muted);line-height:1.7}.portal-root .portal-search-result>p:first-of-type{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-width:85ch}.portal-root .portal-search-result>p:last-child{margin-top:.8rem;font-size:.7rem}@media (max-width:640px){.reader-search-header{margin-top:1.75rem;gap:1rem}.reader-search-form{padding:.85rem}.reader-search-filters>label{flex:1 1 100%;justify-content:space-between}.reader-search-filters .beetl-admin-control{width:100%}.reader-search-published-note{margin-left:0}}.portal-root .portal-search-empty{border-color:var(--reader-colour-border);background:color-mix(in srgb,var(--reader-colour-primary) 3%,var(--reader-colour-surface));color:var(--reader-colour-text)}.portal-root .portal-search-empty p{color:var(--reader-colour-muted)}.portal-header-account{display:flex;align-items:center;gap:var(--shell-action-gap)}.portal-root .portal-header-account .beetl-account-menu-trigger{border-color:transparent;background:transparent}.portal-root .portal-header-account .beetl-account-menu-trigger:is(:hover,:focus-visible,[aria-expanded=true]){border-color:color-mix(in srgb,var(--reader-colour-primary) 22%,var(--reader-colour-border));background:color-mix(in srgb,var(--reader-colour-primary) 7%,var(--reader-colour-surface))}.portal-root .portal-header-account .beetl-avatar{border:1px solid color-mix(in srgb,var(--reader-role-selected-control) 76%,var(--reader-colour-surface));background:linear-gradient(145deg,color-mix(in srgb,var(--reader-role-selected-control) 86%,var(--reader-colour-surface)) 0,var(--reader-role-selected-control) 100%);box-shadow:0 .3rem .8rem color-mix(in srgb,var(--reader-role-selected-control) 16%,transparent);color:var(--reader-role-selected-control-foreground)}.portal-root .beetl-account-menu{width:min(20rem,calc(100vw - 2rem));border-color:color-mix(in srgb,var(--reader-colour-primary) 16%,var(--reader-colour-border));border-radius:calc(var(--reader-radius) * 1.15);padding:.5rem;box-shadow:0 1.25rem 3rem color-mix(in srgb,var(--reader-colour-primary) 14%,transparent)}.portal-root .beetl-account-menu-identity{margin-bottom:.25rem;border-radius:var(--reader-radius);background:color-mix(in srgb,var(--reader-colour-primary) 6%,var(--reader-colour-surface));padding:.85rem}.portal-root .beetl-account-menu .beetl-dropdown-item{min-height:2.85rem;border:1px solid transparent;padding:.5rem .65rem}.portal-root .beetl-account-menu .beetl-dropdown-item[data-highlighted]{border-color:color-mix(in srgb,var(--reader-colour-primary) 18%,var(--reader-colour-border));background:color-mix(in srgb,var(--reader-colour-primary) 7%,var(--reader-colour-surface));color:var(--reader-colour-accent)}.portal-root .beetl-account-menu .beetl-dropdown-item>svg{width:2rem;height:2rem;border-radius:calc(var(--reader-radius) * .75);background:color-mix(in srgb,var(--reader-colour-primary) 9%,var(--reader-colour-surface));padding:.4rem;color:var(--reader-colour-accent)}.portal-root .beetl-account-menu .theme-aware-sign-out{display:flex;width:100%;min-height:2.85rem;align-items:center;justify-content:flex-start;gap:.65rem;padding:.5rem .65rem;color:inherit;font-size:.78rem;font-weight:650;line-height:1.25;text-align:left}.portal-root .beetl-account-menu .theme-aware-sign-out>span{min-width:0;line-height:inherit}.portal-root .beetl-button-primary:focus-visible,.portal-root .beetl-button-primary:hover:not(:disabled){color:var(--reader-hover-foreground)}.portal-root[data-reader-category-layout=compact] .reader-category-hero{grid-template-columns:minmax(0,1fr);min-height:0;padding:1.5rem}.portal-root[data-reader-category-layout=compact] .reader-category-hero-copy>:not(nav){grid-column:1}.portal-root[data-reader-category-layout=compact] .reader-category-description,.portal-root[data-reader-category-layout=compact] .reader-category-hero-artwork{display:none}.portal-root[data-portal-experience=docs] .portal-frame{max-width:var(--reader-content-width)}.portal-root[data-portal-experience=docs] .portal-sidebar{background:var(--reader-sidebar-paint,var(--reader-colour-surface))}.portal-root[data-portal-experience=docs] .portal-kb-title-block{max-width:56rem}@media (min-width:1024px){.portal-root[data-portal-experience=docs] .portal-main:has(.portal-kb-home){padding-top:2rem;padding-bottom:4rem}.portal-root[data-portal-experience=docs] .portal-kb-title-block{padding-top:2rem;padding-bottom:2.5rem}.portal-root[data-portal-experience=docs] .portal-main:has(:is(.portal-collection-page,.portal-tool-page)){padding-top:2rem;padding-bottom:4rem}.portal-root[data-portal-experience=docs] .portal-document-breadcrumbs{margin-bottom:2rem}.portal-root[data-portal-experience=docs] .portal-main .portal-document-header{padding-bottom:2.5rem}.portal-root[data-portal-experience=docs] .portal-document-icon{margin-bottom:1rem}.portal-root[data-portal-experience=docs] .portal-reading-view .portal-article-header{margin-top:1.5rem;padding-bottom:1.5rem}}@media (max-width:1180px){.portal-root[data-portal-experience] .portal-header-inner{grid-template-columns:auto minmax(0,1fr) auto;gap:.5rem 1rem;padding-inline:1rem}.portal-root .portal-header-brand{grid-column:1;grid-row:1}.portal-header-knowledgebase{grid-column:2;grid-row:1;max-width:100%}.portal-root .portal-header-account{grid-column:3;grid-row:1}.portal-root .portal-header-primary-nav{flex-wrap:wrap;grid-column:1/3;grid-row:2}.portal-root .portal-header-search{grid-column:3;grid-row:2;width:2.5rem}.portal-root .portal-header-search .beetl-command-search-trigger{padding:0;justify-content:center;min-width:2.5rem}.portal-root .portal-header-search .beetl-command-search-trigger>:is(span,kbd){display:none}}@media (max-width:767px){.portal-root .portal-header-brand-name{display:none}.portal-root .portal-header-primary-link{padding-inline:.65rem}}@media (max-width:767px) and (max-height:640px){.portal-root .portal-header,.portal-root .reader-topbar-wrap{position:static}}.portal-root[data-portal-experience] .reader-article-page{width:100%;max-width:none;min-width:0;margin:0;background:var(--reader-role-article,var(--reader-colour-surface));color:var(--reader-colour-text)}.portal-root[data-portal-experience] .reader-article-page[data-article-background=soft]{background:color-mix(in srgb,var(--reader-colour-primary) 4%,var(--reader-role-article,var(--reader-colour-surface)))}.portal-root[data-portal-experience] .reader-article-page[data-article-background=tinted]{background:color-mix(in srgb,var(--reader-colour-primary) 9%,var(--reader-role-article,var(--reader-colour-surface)))}.portal-frame:has(.portal-reading-view),.portal-main:has(.portal-reading-view),.portal-root:has(.portal-reading-view){background:var(--reader-colour-surface-paint,var(--reader-colour-surface))}.reader-article-sheet{--reader-article-column-width:48rem;--reader-article-grid-gap:2.25rem;--reader-article-inline-gutter:clamp(1rem,2.5vw,2rem);--reader-article-canvas-width:var(--reader-article-column-width);--reader-article-context-width:13.25rem;position:relative;width:100%;max-width:calc(var(--reader-article-canvas-width) + var(--reader-article-inline-gutter) + var(--reader-article-inline-gutter));min-width:0;margin:0 auto;padding:clamp(1.25rem,2.5vw,2.5rem) var(--reader-article-inline-gutter) clamp(4rem,7vw,6rem)}.reader-article-sheet[data-content-width=narrow]{--reader-article-column-width:44rem}.reader-article-sheet[data-content-width=comfortable]{--reader-article-column-width:48rem}.reader-article-sheet[data-content-width=wide]{--reader-article-column-width:72rem}.portal-article-cover{width:100%;height:clamp(12rem,26vw,20rem);max-height:20rem;margin:0 0 clamp(1.75rem,4vw,2.75rem);overflow:hidden;border:1px solid var(--reader-colour-border);border-radius:var(--reader-radius);background:var(--reader-colour-surface)}.portal-article-cover img{display:block;width:100%;height:100%;object-fit:cover}.reader-article-toolbar{display:flex;width:min(100%,var(--reader-article-column-width,48rem));margin-inline:auto;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:1.25rem}.reader-article-return{padding-top:.65rem;white-space:nowrap}.reader-article-breadcrumbs{min-width:0;padding-top:.65rem}.reader-article-breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.45rem .6rem}.reader-article-header{position:relative;width:min(100%,var(--reader-article-column-width,48rem));margin-inline:auto;margin-top:clamp(1rem,2vw,1.5rem);border-bottom:1px solid var(--reader-colour-border);padding-bottom:clamp(1.5rem,3vw,2rem);text-align:left}.reader-article-header[data-style=bordered]{border-top:1px solid var(--reader-colour-border);padding-top:clamp(2.25rem,5vw,3.5rem)}.reader-article-header[data-style=panel]{border:1px solid var(--reader-colour-border);border-radius:var(--reader-radius);background:var(--reader-colour-surface);padding:clamp(1.5rem,4vw,2.5rem)}.reader-article-header[data-alignment=center]{text-align:center}.reader-article-meta-icon{width:2.4rem;height:2.4rem;flex:none}.reader-article-type{display:flex;flex-wrap:wrap;min-width:0;max-width:100%;align-items:center;gap:.65rem}.reader-article-heading-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.reader-article-meta,.reader-article-type .portal-document-kicker{color:var(--reader-colour-muted)}.reader-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .65rem;font-size:.875rem;line-height:1.5;margin-top:1rem}.reader-article-header[data-alignment=center] .reader-article-meta{justify-content:center}.reader-article-meta-item+.reader-article-meta-item:before{margin-right:.65rem;color:color-mix(in srgb,var(--reader-colour-muted) 55%,transparent);content:"·"}.reader-article-header .reader-article-title{max-width:32ch;margin-top:1.25rem;color:var(--reader-colour-text);font-family:var(--reader-font-display);font-size:var(--reader-document-title-size,clamp(2rem,3.5vw,3.5rem));font-weight:600;letter-spacing:-.05em;line-height:1.1;overflow-wrap:anywhere}.reader-article-header .reader-article-title[data-size=compact]{font-size:clamp(1.875rem,3vw,2.5rem)}.reader-article-header .reader-article-title[data-size=display]{font-size:clamp(2.5rem,4vw,4rem)}.reader-article-header[data-alignment=center] .reader-article-summary,.reader-article-header[data-alignment=center] .reader-article-title{margin-right:auto;margin-left:auto}.reader-article-summary{max-width:62ch;margin-top:1.5rem;color:var(--reader-colour-muted);font-family:var(--reader-font-body);font-size:1.125rem;line-height:1.7}.reader-article-actions{display:flex;flex-wrap:wrap;max-width:100%;flex:none;align-items:center;gap:.35rem}.reader-article-context,.reader-article-sidebar-resize{display:none}.reader-application-shell .reader-article-knowledge-tree{border-radius:var(--reader-radius);background:color-mix(in srgb,var(--reader-soft-surface) 45%,var(--reader-colour-surface));padding:1rem .5rem}.reader-application-shell .reader-article-meta-icon{width:1.75rem;height:1.75rem}.reader-application-shell .reader-article-summary{margin-top:1rem;font-size:1rem}.reader-article-navigation-title{display:block;margin-bottom:1rem;font-size:.875rem}@media screen and (min-width:1024px){.reader-article-category-mobile{display:none}.reader-article-sheet{--reader-article-main-column:2;display:grid;max-width:none;grid-template-columns:minmax(var(--reader-article-context-width),1fr) minmax(0,var(--reader-article-column-width)) minmax(0,1fr);column-gap:var(--reader-article-grid-gap);align-items:start;transition:grid-template-columns .28s cubic-bezier(.2,0,0,1),column-gap .28s cubic-bezier(.2,0,0,1)}.reader-article-sheet[data-content-width=wide]{grid-template-columns:minmax(0,1fr) minmax(0,72rem) minmax(0,1fr);column-gap:0}.reader-article-sidebar-resize{position:absolute;z-index:1;top:2.5rem;bottom:4rem;left:calc(var(--reader-article-inline-gutter) + var(--reader-article-context-width) - 6px);display:block;width:12px;cursor:col-resize;touch-action:none;transition:left .28s cubic-bezier(.2,0,0,1)}.reader-article-sidebar-resize:before{position:absolute;inset:0 5px;border-radius:2px;background:var(--reader-colour-border);content:""}.reader-article-sidebar-resize:is(:hover,:focus-visible):before{background:var(--reader-colour-accent)}.reader-article-sidebar-resize:focus-visible{outline:2px solid var(--reader-focus-colour);outline-offset:2px}.reader-article-sheet[data-content-width=wide] .reader-article-sidebar-resize{display:none}.reader-article-sheet[data-sidebar-resizing]{cursor:col-resize;user-select:none}.reader-article-sheet[data-sidebar-resizing],.reader-article-sheet[data-sidebar-resizing] :is(.reader-article-context,.reader-article-sidebar-resize){transition:none}.reader-article-context{position:absolute;top:2.5rem;left:var(--reader-article-inline-gutter);display:block;width:var(--reader-article-context-width);transition:width .28s cubic-bezier(.2,0,0,1),opacity .18s ease,transform .28s cubic-bezier(.2,0,0,1),visibility .28s}.reader-article-knowledge-tree{bottom:4rem;display:flex;flex-direction:column}.reader-article-knowledge-tree .portal-tree-nav{min-height:0;align-content:start;position:sticky;top:calc(var(--reader-topbar-height) + 1rem);max-height:calc(100dvh - var(--reader-topbar-height) - 3rem);overflow-y:auto}.reader-article-context-heading{display:grid;grid-template-columns:3rem minmax(0,1fr);align-items:start;gap:.75rem;padding-bottom:1rem}.reader-article-context-heading :is(strong,small),.reader-article-context-heading>span:not(.content-type-badge-icon){display:block;min-width:0}.reader-article-context-heading strong{font-family:var(--reader-font-heading);font-size:.95rem}.reader-article-context-heading small{display:-webkit-box;margin-top:.3rem;overflow:hidden;color:var(--reader-colour-muted);font-size:.875rem;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:3}.reader-article-context nav{display:grid;gap:.2rem;border-top:1px solid var(--reader-colour-border);padding-top:.8rem}.reader-article-context nav a{border-radius:var(--reader-control-radius);padding:.55rem .7rem;color:var(--reader-colour-muted);font-size:.875rem;font-weight:500}.reader-article-context nav a:is(:hover,:focus-visible),.reader-article-context nav a[aria-current=page]{background:var(--reader-soft-surface);color:var(--reader-accent-on-soft)}.reader-article-sheet[data-content-width=wide] .reader-article-context{visibility:hidden;opacity:0;transform:translateX(-.5rem)}}.portal-root .reader-article-actions .beetl-icon-button{width:2.75rem;height:2.75rem;border-color:transparent;background:transparent;color:var(--reader-colour-muted);box-shadow:none}.portal-root .reader-article-actions .beetl-icon-button svg{width:1.125rem;height:1.125rem}.portal-root .reader-article-actions .beetl-icon-button:hover{border-color:color-mix(in srgb,var(--reader-colour-accent) 26%,var(--reader-colour-border));background:color-mix(in srgb,var(--reader-colour-accent) 6%,var(--reader-colour-surface));color:var(--reader-colour-accent)}.portal-root .reader-article-actions .beetl-icon-button:focus-visible{outline:2px solid var(--reader-focus-colour);outline-offset:2px}.portal-root .reader-article-actions .beetl-icon-button[aria-pressed=true]{background:color-mix(in srgb,var(--reader-colour-accent) 10%,var(--reader-colour-surface));color:var(--reader-colour-accent)}.reader-article-layout{display:grid;width:min(100%,var(--reader-article-column-width));max-width:var(--reader-article-column-width);min-width:0;grid-template-columns:minmax(0,1fr);align-items:start;gap:1rem;margin:clamp(1rem,2vw,1.5rem) auto 0}.portal-root .portal-reading-view .reader-article-layout .reader-article-content{width:100%;max-width:100%;min-width:0;color:var(--reader-colour-text);font-family:var(--reader-font-body);font-size:1.03rem;line-height:1.85}.reader-article-content .article-prose{max-width:none;color:inherit;font-family:var(--reader-font-body);font-size:inherit;line-height:inherit}.reader-article-content .article-prose>*{max-width:100%;overflow-wrap:anywhere}.reader-article-sheet[data-content-width=wide] .article-prose>:is(p,ul,ol,blockquote,dl,h2,h3,h4){max-width:48rem}.reader-article-content .article-prose h2{scroll-margin-top:calc(var(--reader-topbar-height) + 1.5rem);margin-top:2.5rem;border-top:1px solid var(--reader-colour-border);padding-top:1.25rem;color:var(--reader-colour-text);font-family:var(--reader-font-heading);font-size:1.5rem;font-weight:600;letter-spacing:-.025em}.reader-article-content .article-prose>h2:first-child{margin-top:1rem;border-top:0;padding-top:0}.reader-article-content .article-prose h3{scroll-margin-top:calc(var(--reader-topbar-height) + 1.5rem);margin-top:2rem;color:var(--reader-colour-text);font-family:var(--reader-font-heading);font-size:clamp(1.25rem,2vw,1.45rem)}.reader-article-content :is(.article-table-scroll,pre){max-width:100%;overflow-x:auto}.reader-article-content :is(img,video,iframe){max-width:100%}.reader-article-category-mobile{order:-1;width:min(100%,var(--reader-article-column-width));margin-inline:auto;margin-bottom:1rem;border-top:1px solid var(--reader-colour-border);border-bottom:1px solid var(--reader-colour-border);color:var(--reader-colour-text)}.reader-article-category-mobile>summary{min-height:2.75rem;cursor:pointer;align-content:center;font-size:.875rem;font-weight:600}.reader-article-sheet:has(.reader-article-breadcrumbs) .reader-article-category-mobile:not([data-full-navigation=true]){display:none}.reader-article-category-mobile nav{display:grid;gap:.75rem;padding-bottom:1rem;font-size:.875rem}.reader-article-tools{--muted-foreground:var(--reader-colour-surface-foreground);position:static;grid-column:1/-1;display:flex;flex-direction:row;justify-content:flex-end;gap:.65rem;padding:1rem}.reader-article-tools .reader-article-bubble{width:2.875rem;height:2.875rem;border-radius:50%;box-shadow:var(--shadow-md)}.reader-article-tool-panel{width:min(21rem,calc(100vw - 5.5rem));max-height:min(32rem,var(--radix-popover-content-available-height));overflow-y:auto;overscroll-behavior:contain;padding:1rem}.reader-article-tool-panel>strong{display:block;margin-bottom:.75rem}.reader-article-comment,.reader-article-feedback-form{display:grid;gap:.75rem}.reader-article-comment textarea{min-height:7rem;resize:vertical}.reader-article-rating{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.reader-article-rating label{display:flex;align-items:center;gap:.35rem;font-size:.875rem}.reader-article-outline ul{display:grid;gap:.15rem}.reader-article-outline li[data-level="3"]{padding-left:.7rem}.reader-article-outline a{display:block;border-left:2px solid transparent;padding:.4rem .6rem;color:var(--reader-colour-muted);font-size:.875rem;line-height:1.4}.reader-article-outline a:hover,.reader-article-outline a[aria-current=location]{border-left-color:var(--reader-colour-accent);color:var(--reader-colour-text)}.reader-article-outline a:focus-visible{outline:2px solid var(--reader-focus-colour);outline-offset:1px}.reader-article-sheet>:is(.reader-article-utility-row,.reader-article-related){width:min(100%,var(--reader-article-column-width,48rem));margin-right:auto;margin-left:auto}@media screen and (min-width:1024px){.reader-article-sheet>:not(.reader-article-context,.reader-article-sidebar-resize){grid-column:var(--reader-article-main-column,1);width:100%}.reader-article-sheet .reader-article-layout{display:contents}.reader-article-sheet .reader-article-content{grid-column:var(--reader-article-main-column,1);margin-inline:auto;margin-top:1.5rem}}.reader-article-utility-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.75rem 1rem;margin-top:1.5rem}.reader-article-tags{display:flex;flex-wrap:wrap;gap:.3rem}.reader-article-tags 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