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::selection{background:#d9b2a2;color:#20231f}
.feature.dark a:hover{color:#f3bca6}
.footer-bottom,.diagram-top,.diagram-bottom{font-size:11px}
input{caret-color:#b43a22}
html{scrollbar-color:#8d9585 #f3f1e9}
.brand sup{display:none}
.hero h1{font-size:clamp(45px,5.6vw,80px);letter-spacing:-.035em;margin:10px 0 25px;text-wrap:balance}
.hero p{max-width:510px}
.text-link{font-size:13px;display:inline-block;margin-top:16px}
.topic-nav{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid #aeb4a5;margin-bottom:55px}
.topic-nav a{padding:20px 25px;text-decoration:none;border-right:1px solid #aeb4a5}
.topic-nav a:first-child{padding-left:0}.topic-nav a:last-child{border-right:0}
.topic-nav strong{display:block;font:500 22px/1.3 Arial;letter-spacing:-.025em;margin-bottom:8px}
.topic-nav span{font-size:12px;color:#555d50}
.article-row{grid-template-columns:minmax(0,1fr) 185px 25px}
.article-row .meta{font-family:Arial;line-height:1.9;letter-spacing:0;text-transform:none;font-size:12px}
.article-row h3{max-width:850px}
.feature .meta{font-family:Arial;text-transform:none;letter-spacing:0;font-size:13px}
.feature h3{letter-spacing:-.03em;text-wrap:balance}
.article-header h1{letter-spacing:-.035em;text-wrap:balance}
.article-header>.eyebrow{display:none}
.byline,.updated,.toc .label{font-family:Arial;letter-spacing:0;text-transform:none}
.prose p{max-width:72ch}
.prose pre{overflow-x:auto;background:#e3e7db;border:1px solid #b4baad;padding:18px;font:13px/1.7 monospace;white-space:pre}
.prose pre code{padding:0;background:transparent}
.note{border-left:1px solid #aeb4a5}
.format-link{font-size:12px;color:#555d50}
.footer-bottom{font-family:Arial}
@media(max-width:850px){.article-row{grid-template-columns:minmax(0,1fr) 155px 20px}.article-row .meta{grid-column:auto;grid-row:auto;text-align:right}}
@media(max-width:600px){.hero h1{font-size:52px;letter-spacing:-.035em}.topic-nav{grid-template-columns:1fr;margin-bottom:35px}.topic-nav a,.topic-nav a:first-child{padding:16px 0;border-right:0;border-bottom:1px solid #c7c9bd}.topic-nav a:last-child{border-bottom:0}.topic-nav strong{font-size:20px;margin-bottom:3px}.article-row{grid-template-columns:minmax(0,1fr) 20px}.article-row .meta{grid-column:1;grid-row:2;text-align:left}.article-row .arrow{grid-column:2;grid-row:1}.article-header h1{font-size:39px;letter-spacing:-.03em}.section-head{align-items:center}.section-head a{max-width:110px;text-align:right}}

.ui-icon{display:inline-block;width:1em;height:1em;vertical-align:-.13em;flex-shrink:0}
.brand-icon .ui-icon{width:28px;height:28px;vertical-align:0}
.arrow{display:grid;place-items:center;width:32px;height:32px}
.btn .ui-icon,.nav-tool .ui-icon{margin-left:.25em}
.toc-details summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:44px;cursor:pointer;list-style:none;font-size:14px}
.toc-details summary::-webkit-details-marker{display:none}
.toc-details summary .ui-icon{transition:transform .15s ease-out}
.toc-details[open] summary .ui-icon{transform:rotate(180deg)}
.toc-details>ol{margin-top:8px}
body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
a,button,input,summary{touch-action:manipulation}
button,summary{-webkit-user-select:none;user-select:none}
.table-scroll,.prose pre{max-width:100%;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}
@media(hover:hover) and (pointer:fine){.toc-details summary:hover{color:#a23420}}
@media(hover:none){
 a:hover{color:inherit}.feature.dark a:hover{color:inherit}
 .btn:hover{background:#20231f;border-color:#20231f;color:#fff}
 a,button,summary{-webkit-tap-highlight-color:transparent}
 a:active,button:active,summary:active{opacity:.7}
}
@media(pointer:coarse){input,textarea,select{font-size:16px!important}.filters button,.masthead nav a,.arrow{min-height:44px}.arrow{min-width:44px}}
@media(max-width:600px){
 .masthead{padding:18px 5%;gap:12px}.brand{font-size:22px}.brand-icon{width:31px;height:31px;margin-right:9px}
 .masthead nav{gap:8px}.masthead nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-size:13px}
 .nav-tool{padding:7px 10px}.nav-tool .ui-icon{width:15px;height:15px}
 .wrap{padding-inline:5%}.hero{padding-block:28px;gap:28px}
 .hero h1{font-size:clamp(36px,11.5vw,48px);line-height:1.08;margin:8px 0 20px;letter-spacing:-.035em}
 .hero h1 em{font-size:1.02em}.hero p{font-size:17px;line-height:1.55}
 .text-link{display:inline-flex;align-items:center;gap:7px;min-height:44px;margin-top:8px;font-size:14px}
 .diagram{padding:14px}.diagram-top,.diagram-bottom{font-size:11px;letter-spacing:.5px;gap:14px}.diagram-top span:last-child{flex-shrink:0}
 .topic-nav{margin-bottom:32px}.topic-nav a{min-height:72px}.topic-nav span{font-size:13px}
 .section-head h2{font-size:26px}.section-head>a{display:inline-flex;justify-content:flex-end;align-items:center;gap:5px;min-height:44px;font-size:12px;flex-shrink:0}
 .features{gap:16px;margin-top:20px}.feature{padding:23px;min-height:0}.feature h3{font-size:clamp(27px,7.5vw,32px);line-height:1.2;margin-top:18px}.feature p{font-size:15px;line-height:1.6}
 .read{display:inline-flex;gap:8px;align-items:center;min-height:44px;font-size:13px}
 .search-tools{gap:14px;margin:18px 0;width:100%}.filters{width:100%;gap:8px}.filters button{min-height:44px;padding:8px 12px;font-size:12px}
 .search-tools label{width:100%}.search-tools input{display:block;width:100%;max-width:none;min-height:48px;padding:10px 0;font-size:16px;appearance:none;-webkit-appearance:none}
 .article-row{position:relative;grid-template-columns:minmax(0,1fr);gap:13px;padding:24px 0 28px}
 .article-row h3{font-size:22px;line-height:1.25;margin-bottom:10px;overflow-wrap:break-word}
 .article-row p{font-size:15px;line-height:1.6}.article-row .meta{grid-column:1;grid-row:auto;line-height:1.8;padding-right:52px;font-size:12px}
 .article-row .arrow{position:absolute;right:0;bottom:18px;width:44px;height:44px;font-size:22px}
 .article-header h1{font-size:clamp(30px,8.5vw,38px);line-height:1.13;letter-spacing:-.03em;overflow-wrap:break-word}
 .lead{font-size:20px;line-height:1.6}.byline{gap:8px 15px;font-size:12px}.byline a{display:inline-flex;align-items:center;min-height:36px}
 .breadcrumb{font-size:12px;line-height:1.8;margin:22px 0}.breadcrumb a{display:inline-block;padding-block:4px}
 .article-layout{gap:24px}.toc{padding-bottom:12px}.toc-details summary{font-size:15px}.toc ol{columns:1;margin-bottom:12px;padding-left:20px}.toc li{margin:0}.toc li a{display:block;padding:11px 0;font-size:14px;line-height:1.5}
 .prose h2{font-size:27px;line-height:1.25}.prose p{font-size:18px;line-height:1.75}.prose pre{font-size:13px;padding:14px}.prose pre code{font-size:inherit}
 .table-scroll{width:100%;margin:25px 0}th,td{padding:12px;font-size:13px;line-height:1.6}th{font-size:11px}
 .simple{padding-inline:5%;margin-top:30px}.simple h1{font-size:clamp(31px,9vw,40px);overflow-wrap:break-word}.simple p{font-size:18px}
 .btn{min-height:48px;gap:18px;line-height:1.5}.kit-banner{padding:22px;margin-block:38px}.kit-banner h2{font-size:27px;line-height:1.2}
 footer{padding:30px 5% max(30px,env(safe-area-inset-bottom))}footer nav{gap:4px 20px}footer nav a{display:flex;align-items:center;min-height:44px;font-size:13px;line-height:1.5}.footer-bottom{font-size:12px;line-height:1.6}.footer-bottom a{display:inline-flex;align-items:center;gap:8px;min-height:44px}
 .sources li{font-size:14px;overflow-wrap:anywhere}.related a{padding-block:8px;line-height:1.55}
}
@media(prefers-reduced-motion:reduce){.toc-details summary .ui-icon{transition:none}}