:root{color-scheme:light;--paper:#fbf8f2;--paper-2:#f3eee4;--paper-3:#e9e2d4;--ink:#1d232b;--ink-2:#4a535e;--rule:#d9d0c1;--accent:#3e6b52;--accent-strong:#2f5240;--accent-soft:#e3ece4;--caution:#8a4b1c;--caution-soft:#f6e9dc;--focus:#1f5e9c;--dg-pearl:#5b636d;--dg-glint:#fbf8f2;--measure:68ch;--gutter:1rem;--radius:4px;--font-heading-stack:var(--font-heading), Georgia, serif;--font-body-stack:var(--font-body), system-ui, sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--paper:#121619;--paper-2:#1a1f24;--paper-3:#232a31;--ink:#ece6da;--ink-2:#aeb5be;--rule:#333c45;--accent:#8dbb9f;--accent-strong:#a9d0b7;--accent-soft:#1d2b23;--caution:#e0a473;--caution-soft:#2b2018;--focus:#8ab4f8;--dg-pearl:#3b444e;--dg-glint:#ece6da}}:root[data-theme=dark]{color-scheme:dark;--paper:#121619;--paper-2:#1a1f24;--paper-3:#232a31;--ink:#ece6da;--ink-2:#aeb5be;--rule:#333c45;--accent:#8dbb9f;--accent-strong:#a9d0b7;--accent-soft:#1d2b23;--caution:#e0a473;--caution-soft:#2b2018;--focus:#8ab4f8;--dg-pearl:#3b444e;--dg-glint:#ece6da}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font-family:var(--font-body-stack);font-optical-sizing:auto;text-rendering:optimizelegibility;overflow-wrap:break-word;margin:0;font-size:1.0625rem;line-height:1.62}img,svg,video{max-width:100%;height:auto}h1,h2,h3,h4{font-family:var(--font-heading-stack);letter-spacing:-.005em;text-wrap:balance;margin:2.2rem 0 .75rem;scroll-margin-top:1rem;font-weight:560;line-height:1.2}h1{margin-top:.5rem;font-size:clamp(2rem,1.4rem + 2.6vw,2.9rem);font-weight:520}h2{font-size:clamp(1.45rem,1.25rem + .9vw,1.8rem)}h3{font-size:1.25rem}h4{font-size:1.05rem}p,ul,ol,dl,table,figure,blockquote,details{margin:0 0 1.1rem}ul,ol{padding-left:1.35rem}li+li{margin-top:.3rem}a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--accent-strong);text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:2px}em i,.sci{font-style:italic}small,.small{font-size:.875rem}hr{border:0;border-top:1px solid var(--rule);margin:2rem 0}abbr[title]{text-decoration:underline dotted}code{background:var(--paper-2);border-radius:3px;padding:.1em .3em;font-size:.9em}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.label{font-family:var(--font-body-stack);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);font-size:.75rem;font-weight:700}.skip{background:var(--ink);color:var(--paper);z-index:10;border-radius:var(--radius);padding:.5rem .9rem;position:absolute;top:-3rem;left:.5rem}.skip:focus{top:.5rem}.wrap{max-width:72rem;padding:0 var(--gutter);margin:0 auto}.site-header{border-bottom:1px solid var(--rule);background:var(--paper)}.site-header .bar{flex-wrap:wrap;align-items:center;gap:1rem;padding-top:.9rem;padding-bottom:.6rem;display:flex}.wordmark{color:var(--ink);font-family:var(--font-heading-stack);letter-spacing:.005em;align-items:center;gap:.55rem;margin-right:auto;font-size:1.35rem;font-weight:560;text-decoration:none;display:inline-flex}.wordmark:hover{color:var(--ink)}.wordmark svg{flex:none;width:1.9rem;height:1.9rem}.site-search{flex:14rem;max-width:22rem;display:flex}.site-search input{min-width:0;font:inherit;border:1px solid var(--rule);border-radius:var(--radius) 0 0 var(--radius);background:var(--paper);color:var(--ink);border-right:0;flex:1;padding:.45rem .7rem;font-size:.95rem}.site-search button,.button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:var(--paper);border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;padding:.45rem .8rem;font-size:.95rem}.button{border-radius:var(--radius);text-decoration:none;display:inline-block}.theme-toggle{font:inherit;border:1px solid var(--rule);color:var(--ink-2);border-radius:var(--radius);cursor:pointer;background:0 0;padding:.35rem .6rem;font-size:.85rem}.section-nav ul{flex-wrap:wrap;gap:.15rem 1.1rem;margin:0;padding:0 0 .7rem;font-size:.95rem;list-style:none;display:flex}.section-nav li+li{margin-top:0}.section-nav a{color:var(--ink-2);text-decoration:none}.section-nav a:hover,.section-nav a[aria-current]{color:var(--accent);text-decoration:underline}main{padding:1.25rem 0 3rem;display:block}.page{max-width:72rem;padding:0 var(--gutter);grid-template-columns:minmax(0, var(--measure));justify-content:center;margin:0 auto;display:grid}@media (width>=72rem){.page.has-toc{grid-template-columns:minmax(0, var(--measure)) 15rem;justify-content:center;gap:3.5rem}}.content{min-width:0}.breadcrumbs ol{color:var(--ink-2);flex-wrap:wrap;gap:.25rem;margin:0 0 .25rem;padding:0;font-size:.875rem;list-style:none;display:flex}.breadcrumbs li+li{margin-top:0}.breadcrumbs li+li:before{content:"›";color:var(--rule);margin-right:.3rem}.breadcrumbs a{color:var(--ink-2)}.draft-badge{border:1px dashed var(--caution);color:var(--caution);background:var(--caution-soft);border-radius:var(--radius);margin:.4rem 0 0;padding:.25rem .6rem;font-size:.8rem;display:inline-block}.short-answer{margin:1rem 0 1.5rem;font-size:1.18rem;line-height:1.55}.short-answer .label{margin-bottom:.25rem;display:block}.specimen{border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);background:var(--paper-2);margin:0 0 1.6rem;padding:.9rem 1.1rem .6rem}.specimen>.label{margin-bottom:.4rem;display:block}.specimen ul{margin:0;padding:0;list-style:none}.specimen li{border-top:1px solid var(--rule);padding:.45rem 0}.specimen li:first-child{border-top:0}.specimen li+li{margin-top:0}.profile dl{grid-template-columns:minmax(7.5rem,30%) 1fr;margin:0;display:grid}.profile dt,.profile dd{border-top:1px solid var(--rule);margin:0;padding:.45rem 0}.profile dt{color:var(--ink-2);padding-right:1rem;font-size:.85rem;font-weight:700}.profile dl>:nth-child(-n+2){border-top:0}.cite{vertical-align:super;white-space:nowrap;margin-left:.08em;font-size:.72em;line-height:0}.cite a{text-decoration:none}.cite a:before{content:"["}.cite a:after{content:"]"}.heading-anchor{font-family:var(--font-body-stack);color:var(--rule);opacity:0;margin-left:.4rem;font-size:.75em;text-decoration:none}h2:hover .heading-anchor,h3:hover .heading-anchor,.heading-anchor:focus-visible{opacity:1;color:var(--accent)}@media (hover:none){.heading-anchor{opacity:1}}.callout{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0;margin:0 0 1.4rem;padding:.8rem 1rem .2rem}.callout>.label{color:var(--accent-strong);margin-bottom:.3rem;display:block}.callout.caution{border-left-color:var(--caution);background:var(--caution-soft)}.callout.caution>.label{color:var(--caution)}.trade-note{border:1px solid var(--rule);border-left:3px solid var(--ink);background:var(--paper);margin:0 0 1.4rem;padding:.9rem 1.1rem .3rem}.trade-note blockquote{font-family:var(--font-heading-stack);margin:0 0 .6rem;font-size:1.12rem;line-height:1.5}.trade-note figcaption{color:var(--ink-2);margin-bottom:.6rem;font-size:.875rem}figure.figure{margin:0 0 1.6rem}figure.figure img,figure.figure svg{background:var(--paper-2);width:100%;height:auto;display:block}figure.figure img{width:auto;max-width:100%;max-height:min(34rem,80vh);margin-inline:auto}figure.figure figcaption{color:var(--ink-2);margin-top:.5rem;font-size:.875rem;line-height:1.5}figure.figure .panels{background:var(--paper-2);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.25rem;padding:1rem;display:grid}figure.figure .panels svg{background:0 0;max-width:12rem;margin:0 auto}figure.figure .panels.compact{grid-template-columns:repeat(auto-fit,minmax(6.5rem,1fr))}figure.figure .panels.pairs{grid-template-columns:1fr}@media (width>=34rem){figure.figure .panels.pairs{grid-template-columns:repeat(2,minmax(0,1fr))}}figure.figure .panels.compact svg{max-width:7rem}.panel-title{text-align:center;margin:.5rem 0 .25rem;font-weight:600}.panel-notes{color:var(--ink-2);margin:0;padding-left:1.1rem;font-size:.875rem}.dg-line{fill:none;stroke:currentColor;stroke-width:1px;opacity:.55}.dg-sac{fill:none;stroke:var(--accent);stroke-width:2.5px;stroke-dasharray:5 4}.dg-core{fill:currentColor}.dg-void{fill:var(--paper);stroke:currentColor;stroke-width:1.2px}.dg-bead{fill:var(--paper-3);stroke:currentColor;stroke-width:1.5px}.dg-band{fill:none;stroke:currentColor;stroke-width:.8px;opacity:.3}.dg-plate{fill:var(--paper-3);stroke:currentColor;stroke-width:1px}.dg-organic{fill:none;stroke:var(--accent);stroke-width:2px}.dg-coat{fill:none;stroke:var(--accent);stroke-width:4px}.dg-hole{fill:var(--paper-2);stroke:none}.dg-dark{fill:none;stroke:currentColor;stroke-width:3px}.dg-edge{fill:none;stroke:currentColor;stroke-width:1.5px}.dg-pearl{fill:var(--dg-pearl);stroke:currentColor;stroke-width:1.5px}.dg-glint{fill:var(--dg-glint)}.dg-label{fill:currentColor;font-family:var(--font-body-stack);font-size:10px}.dg-label-2{fill:var(--ink-2);font-family:var(--font-body-stack);font-size:9px}.dg-bar{fill:var(--accent)}.dg-grid{fill:none;stroke:var(--rule);stroke-width:1px}.dg-thread{fill:none;stroke:currentColor;stroke-width:1.2px}.dg-knot{fill:currentColor}.dg-box{fill:var(--paper);stroke:currentColor;stroke-width:1px}.dg-box-accent{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.5px}.dg-arrow{fill:none;stroke:currentColor;stroke-width:1.2px}.dg-arrowhead{fill:currentColor}.dg-title{fill:currentColor;font-family:var(--font-body-stack);font-size:10px;font-weight:600}.dg-ring{fill:var(--paper);stroke:var(--accent);stroke-width:2px}.dg-tint{fill:var(--accent-soft);stroke:none}.dg-no{fill:none;stroke:var(--caution);stroke-width:4px;stroke-linecap:round}figure.figure .solo{background:var(--paper-2);border-radius:var(--radius);padding:1rem}figure.figure .solo svg{background:0 0;max-width:28rem;margin:0 auto}.credit{margin-top:.2rem;font-size:.8rem;display:block}details{border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);padding:.6rem .9rem}details>summary{cursor:pointer;font-weight:600}details[open]>summary{margin-bottom:.6rem}.nowrap{white-space:nowrap}.glossary-letters ul{flex-wrap:wrap;gap:.4rem .9rem;margin:0 0 1.5rem;padding:0;list-style:none;display:flex}.glossary-letters a{text-align:center;min-width:1.5rem;min-height:1.5rem;font-weight:600;line-height:1.5rem;display:inline-block}.glossary-note{color:var(--ink-2)}.glossary-meta{color:var(--ink-2);font-size:.875rem}.tool{margin:0 0 1.6rem}.tool-controls{background:var(--paper-2);border:1px solid var(--rule);border-radius:var(--radius);gap:.9rem;margin:0 0 1.25rem;padding:1rem;display:grid}.tool-controls[hidden],.tool [hidden]{display:none}.tool-controls>*,.tool-controls details>*{margin-bottom:0}.tool-controls details>*+*{margin-top:.8rem}.tool-row{flex-wrap:wrap;align-items:center;gap:.5rem .9rem;display:flex}.tool-row>label,.tool-choices>legend{font-weight:600}.tool input[type=number]{width:7rem;font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--ink-2);border-radius:var(--radius);padding:.4rem .6rem}.tool input[type=range]{max-width:20rem;accent-color:var(--accent);flex:10rem}.tool input[type=radio],.tool input[type=checkbox]{accent-color:var(--accent);margin:0}.tool-choices{border:0;flex-wrap:wrap;gap:.4rem 1.1rem;min-width:0;margin:0;padding:0;display:flex}.tool-choices>legend{margin-bottom:.35rem;padding:0}.tool-choice{align-items:center;gap:.35rem;display:inline-flex}.tool-result{min-height:1.6em}.tool-note{color:var(--ink-2);font-size:.875rem}.tool-button{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--ink-2);border-radius:var(--radius);cursor:pointer;padding:.35rem .7rem;font-size:.875rem}.dg-marker{fill:none;stroke:currentColor;stroke-width:2px}.dg-outline{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-dasharray:4 3}.dg-land{fill:var(--paper-3);stroke:var(--rule);stroke-width:.5px}.dg-region{fill:var(--accent);stroke:var(--paper-2);stroke-width:.6px}.dg-dot{fill:var(--accent);stroke:var(--paper-2);stroke-width:1.5px}.dg-map-label{fill:var(--ink);font-family:var(--font-body-stack);paint-order:stroke;stroke:var(--paper-2);stroke-width:3px;stroke-linejoin:round;font-size:12px}.map-region.is-dim .dg-region{fill:var(--paper-3)}.map-region.is-dim .dg-dot,.map-region.is-dim .dg-map-label{fill:var(--ink-2)}.checklist-group h3{margin-top:1.4rem}.true-size-figure{margin:0 0 1.6rem}.true-size-figure figcaption{color:var(--ink-2);margin-top:.5rem;font-size:.875rem;line-height:1.5}.true-size,.true-size-pair{flex-wrap:wrap;align-items:flex-end;gap:1rem 1.25rem;display:flex}.true-size{background:var(--paper-2);border-radius:var(--radius);margin:0;padding:1rem;list-style:none}.true-size li{color:var(--ink-2);flex-direction:column;align-items:center;gap:.35rem;margin:0;font-size:.875rem;display:flex}.true-size svg,.true-size-pair svg{display:block;overflow:visible}.table-wrap{border:1px solid var(--rule);border-radius:var(--radius);margin:0 0 1.6rem;overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;margin:0;font-size:.95rem}caption{caption-side:top;text-align:left;border-bottom:1px solid var(--rule);background:var(--paper-2);padding:.7rem .8rem;font-weight:700}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:.55rem .8rem}thead th{background:var(--paper-3);font-size:.85rem}tbody tr:last-child>*{border-bottom:0}tbody th{font-weight:600}.faq h3{margin-top:1.4rem;font-size:1.1rem}.references ol{padding-left:1.6rem;font-size:.92rem}.references li{scroll-margin-top:1rem}.references li:target{background:var(--accent-soft)}.page-info{border-top:2px solid var(--ink);margin-top:2.5rem;padding-top:1rem;font-size:.95rem}.page-info dl{grid-template-columns:max-content 1fr;gap:.3rem 1rem;margin:0 0 1rem;display:grid}.page-info dt{color:var(--ink-2)}.page-info dd{margin:0}.page-info details{margin-bottom:.7rem}.cite-formats dt{margin-top:.6rem;font-weight:700}.cite-formats dd{margin:.2rem 0 0;font-size:.9rem}.related ul,.sources-list{padding-left:1.1rem}.sources-list li{margin:.45rem 0}.sources-list li:target{background:var(--accent-soft)}.inbox-form{max-width:40rem}.inbox-form label{margin-bottom:.3rem;display:block}.inbox-form textarea,.inbox-form input:not([type=checkbox]){width:100%;font:inherit;border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);color:var(--ink);padding:.45rem .6rem;font-size:.95rem;display:block}.inbox-form textarea{resize:vertical}.inbox-check{align-items:flex-start;gap:.5rem;display:flex}.inbox-form .inbox-check label{margin:0;display:inline}.inbox-check input{width:1.1rem;height:1.1rem;accent-color:var(--accent);flex:none;margin:.2rem 0 0}.toc{font-size:.9rem}.toc ol{margin:0;padding:0;list-style:none}.toc ol ol{padding-left:.9rem}.toc li{margin:.3rem 0}.toc a{color:var(--ink-2);text-decoration:none}.toc a:hover{color:var(--accent);text-decoration:underline}.toc-inline{margin:0 0 1.6rem}.toc-rail{display:none}@media (width>=72rem){.toc-inline{display:none}.toc-rail{border-left:1px solid var(--rule);align-self:start;max-height:calc(100vh - 2.5rem);padding-top:.4rem;padding-left:1.1rem;display:block;position:sticky;top:1.25rem;overflow-y:auto}}.home-search{max-width:28rem;margin:.5rem 0 2.25rem}.trust-strip{margin-top:2.5rem}.child-list{padding:0;list-style:none}.child-list li{border-top:1px solid var(--rule);margin:0;padding:.8rem 0}.child-list a{font-family:var(--font-heading-stack);font-size:1.15rem}.child-list p{color:var(--ink-2);margin:.2rem 0 0;font-size:.95rem}.site-footer{border-top:1px solid var(--rule);background:var(--paper-2);padding:2rem 0 2.5rem;font-size:.92rem}.site-footer .disclosure{margin-bottom:1.5rem;font-size:1rem}.site-index{grid-template-columns:repeat(auto-fill,minmax(12rem,1fr));gap:1.2rem 1.5rem;margin-bottom:1.5rem;display:grid}.site-index h2{margin:0 0 .4rem;font-size:1rem}.site-index ul{margin:0;padding:0;list-style:none}.site-index li{margin:.2rem 0}.site-index a,.footer-links a{color:var(--ink-2)}.footer-links{flex-wrap:wrap;gap:.3rem 1.1rem;padding:0;list-style:none;display:flex}.footer-links li+li{margin-top:0}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{:root{--paper:#fff;--paper-2:#fff;--paper-3:#f2f2f2;--ink:#000;--ink-2:#333;--rule:#bbb;--accent:#000}body{font-size:11pt;line-height:1.45}.site-header .section-nav,.site-search,.theme-toggle,.skip,.toc,.heading-anchor,.site-index,.footer-links,.no-print{display:none!important}.page,.page.has-toc{max-width:none;display:block}a{color:#000;text-decoration:none}.references a[href^=http]:after{content:" <" attr(href) ">";word-break:break-all;font-size:9pt}details{border:0;padding:0}details>:not(summary){display:block!important}h2,h3{break-after:avoid}table,figure,.specimen{break-inside:avoid}}
