.site-search{position:relative;width:100%;max-width:760px;font-family:var(--font-data)}.site-search .search-field{position:relative}.site-search .search-field svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-2);pointer-events:none}.site-search .search-field input[type=search]{display:block;width:100%;min-width:0;min-height:56px;margin:0;padding:14px 36px 14px 44px;border:1px solid #aaa5b2;border-radius:6px;background:var(--paper);color:var(--ink);font:400 16px/1.4 var(--font-data)}.site-search input::placeholder{color:var(--ink-2);opacity:1}.site-search input:focus-visible{outline:2px solid var(--bark);outline-offset:3px}.site-search .results{position:absolute;top:calc(100% + 8px);left:0;right:0;max-height:min(440px,60vh);overflow-y:auto;background:var(--paper);border:1px solid #aaa5b2;border-radius:6px;list-style:none;margin:0;padding:4px 0;z-index:500}.site-search .results[hidden]{display:none}.site-search .results li+li{border-top:1px solid var(--rule)}.site-search .results a{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;min-height:64px;padding:12px 16px;text-decoration:none;color:var(--ink)}.site-search .results a:hover,.site-search .results [aria-selected=true] a{background:var(--field)}.site-search .results a:focus-visible{outline:2px solid var(--bark);outline-offset:-3px}.site-search .results .k,.site-search .results .s{font-size:.875rem;font-weight:400;color:var(--ink-2)}.site-search .results strong{font-size:1.125rem;font-weight:600;line-height:1.25}@media(min-width:600px){.site-search .results a{grid-template-columns:84px minmax(0,1fr);column-gap:16px}.site-search .results .k{grid-row:span 2;align-self:center}.site-search .results .s{grid-column:2}}@font-face{font-family:"Source Serif 4";src:url(/fonts/source-serif-4-latin.woff2) format("woff2");font-style:normal;font-weight:400 600;font-display:swap}@font-face{font-family:Instrument Sans;src:url(/fonts/instrument-sans-latin.woff2) format("woff2");font-style:normal;font-weight:400 700;font-display:swap}:root{--paper:#f7f8f5;--ink:#25252b;--ink-2:#62616b;--rule:#d9d9df;--iris:#684a82;--bark:var(--iris);--field:#eeedf2;--masthead:#30283d;--operating:#2c6e3f;--unconfirmed:#946a0a;--closed:#a32d2d;--trial:#4e4d9e;--anr:#2a5f8a;--font-prose:"Source Serif 4",Georgia,serif;--font-data:"Instrument Sans",system-ui,sans-serif;--max:1280px}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;scroll-padding-bottom:88px}body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.55 var(--font-data);font-optical-sizing:auto}a{color:var(--ink);text-decoration-color:var(--bark);text-decoration-thickness:1px;text-underline-offset:4px;overflow-wrap:anywhere}a:hover{text-decoration-thickness:2px}nav a{min-width:44px}:focus-visible{outline:2px solid var(--bark);outline-offset:4px}button,input,select,summary,.btn{touch-action:manipulation}button,input,select{font:400 16px/1.4 var(--font-data);color:var(--ink)}button,select,input:not([type=checkbox]):not([type=radio]){min-height:44px;border:1px solid var(--rule);border-radius:6px;padding:10px 12px;background:var(--paper);max-width:100%}button,select{cursor:pointer}h1,h2,h3,h4{font-family:var(--font-data);font-weight:550;letter-spacing:-.035em;line-height:1.15;margin:0 0 .55em;text-wrap:balance}h1{font-size:clamp(36px,4.1vw,52px);font-weight:500;line-height:1.08;max-width:22ch;color:var(--masthead)}h2{font-size:clamp(26px,2.6vw,32px);margin-top:40px}h3,h4{font-size:20px;margin-top:20px;letter-spacing:-.02em}p{margin:0 0 1em}strong,b{font-weight:600}img,svg{max-width:100%}.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}.sr-only,.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip{position:absolute;top:8px;left:12px;transform:translateY(-150%);z-index:2000;background:var(--paper);padding:10px 16px;font-family:var(--font-data)}.skip:focus{transform:none}header.site{background:var(--masthead);color:var(--paper)}.masthead{display:flex;min-height:68px;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--paper);font:500 22px/1.1 var(--font-data);letter-spacing:-.035em;text-decoration:none;white-space:nowrap}.brand img{width:28px;height:28px;flex-shrink:0;filter:brightness(0) invert(1)}nav.main{display:none;align-items:center;gap:4px;margin-left:auto;font:400 14px/1.2 var(--font-data)}nav.main a{display:flex;align-items:center;min-height:44px;color:var(--paper);text-decoration:none;padding:8px 12px;border-bottom:2px solid transparent}nav.main a[aria-current=page]{border-bottom-color:var(--paper)}nav.main a:hover{border-bottom-color:var(--rule)}header.site :focus-visible{outline-color:var(--paper)}button.search-toggle{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;min-width:44px;border-color:transparent;background:transparent;color:var(--paper)}.search-toggle svg{width:22px;height:22px}.search-toggle span{display:none}.saved-link{display:inline-flex;align-items:center;gap:4px;min-width:44px;min-height:44px;color:var(--paper);font-size:14px;text-decoration:none;white-space:nowrap}.save-button{display:inline-flex;align-items:center;justify-content:center;gap:6px}.save-button[aria-pressed=true]{border-color:var(--iris)}.shortlist-feedback{padding-block:12px;margin-block:0;font-size:14px}.shortlist-inline{flex-basis:100%!important;margin:0}@media(max-width:719px){.masthead{gap:8px}.brand{font-size:20px;gap:8px}}.search-panel{padding-block:24px;border-bottom:1px solid var(--rule)}.search-panel .site-search{max-width:720px}main{padding:24px 0 56px;min-height:55vh}main>.wrap{min-width:0}main.is-home{padding-top:0}main.is-home>.wrap{max-width:none;padding-inline:0}.lede{font:400 18px/1.5 var(--font-prose);color:var(--ink-2);max-width:66ch}.meta,.crumbs,.byline{font:400 14px/1.45 var(--font-data);color:var(--ink-2)}.crumbs{margin-bottom:12px;font-size:13px}.crumbs a{display:inline-flex;align-items:center;min-width:44px;min-height:44px;padding-block:10px}.byline{margin-bottom:24px}.prose{max-width:66ch;font:400 16px/1.6 var(--font-prose)}.prose li{margin-bottom:.5em}.prose h2{margin-top:40px}.prose>p,.prose>ul,.prose>ol{max-width:66ch}.status-line{display:flex;gap:8px 20px;align-items:center;flex-wrap:wrap;margin:16px 0 24px}.grid{display:grid;gap:0;grid-template-columns:minmax(0,1fr)}.grid>*,.two-col>*{min-width:0}.card{padding:24px 0;border-bottom:1px solid var(--rule)}.surface{padding-block:24px;border-block:1px solid var(--rule)}.two-col{display:grid;gap:32px;grid-template-columns:minmax(0,1fr)}.table-wrap{max-width:100%;margin-block:20px}table{width:100%;border-collapse:collapse;font:400 16px/1.45 var(--font-data);table-layout:fixed}caption{text-align:left;font-weight:600;margin-bottom:12px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:14px 12px;overflow-wrap:anywhere}th{font-weight:600;color:var(--ink)}thead th{border-top:1px solid var(--ink);border-bottom-color:var(--ink)}th.k,td.k{color:var(--ink-2);width:30%;font-weight:500}td a,th a{display:inline-block;padding-block:4px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 18px;border:1px solid var(--bark);border-radius:6px;background:var(--bark);color:var(--paper);font:500 15px/1.2 var(--font-data);text-decoration:none;cursor:pointer}.btn:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}.btn.ghost{color:var(--ink);background:transparent;border-color:var(--rule)}.btn.ghost:hover{border-color:var(--ink)}.btn.block{display:flex;width:100%;text-align:center}.note{padding:20px 0;border-block:1px solid var(--rule);margin-block:24px;font:400 16px/1.6 var(--font-prose);max-width:66ch}.sources{padding-left:24px;font-size:16px;overflow-wrap:anywhere}.sources li{padding:4px 0 8px 4px}.jump{display:flex;gap:0 20px;flex-wrap:wrap;margin:20px 0 28px;padding-block:4px;border-bottom:1px solid var(--rule);font:500 14px/1.4 var(--font-data)}.jump a{display:flex;align-items:center;min-height:44px}details{border-block-end:1px solid var(--rule)}summary{min-height:44px;cursor:pointer;font-family:var(--font-data);font-weight:500;padding-block:16px}details>p{max-width:66ch}ul.plain{list-style:none;padding:0;margin:0}footer.site{padding:32px 0 calc(88px + env(safe-area-inset-bottom));color:var(--ink-2)}.footer-content{border-top:1px solid var(--rule);padding-top:28px}footer.site p{max-width:90ch;font-size:14px}footer.site nav{display:flex;gap:4px 24px;flex-wrap:wrap;margin:20px 0;font:400 16px/1.4 var(--font-data)}footer.site nav a{display:inline-flex;align-items:center;min-height:44px}.bottom-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;z-index:1000;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--rule)}.bottom-tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:55px;color:var(--ink-2);border-top:2px solid transparent;margin-top:-1px;font:500 12px/1.1 var(--font-data);text-decoration:none}.bottom-tabs a[aria-current=page]{color:var(--ink);border-top-color:var(--bark)}.bottom-tabs svg{width:21px;height:21px}@media(max-width:719px){table,tbody,tr,th,td{display:block;width:100%}table{table-layout:auto}thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}tbody tr{padding:16px 0;border-bottom:1px solid var(--rule)}tbody td,tbody th,th.k,td.k{width:100%;min-width:0;padding:8px 0;border:0}tbody th[scope=row],tbody td.k{font-size:18px;color:var(--ink);font-weight:600}tbody td[data-label]:before{content:attr(data-label);display:block;color:var(--ink-2);font:500 14px/1.4 var(--font-data);margin-bottom:4px}tbody td[data-label=""]:before{display:none}td a,th a{min-height:44px;padding-block:10px}}@media(min-width:720px){body{font-size:17px}.wrap{padding-inline:32px}.masthead{min-height:76px}.brand{font-size:25px}.search-toggle span{display:inline}main{padding-top:36px}.lede{font-size:20px}.prose{font-size:17px}h3,h4{font-size:22px}footer.site{padding-bottom:40px}.bottom-tabs{display:none}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr));column-gap:24px}}@media(min-width:1040px){nav.main{display:flex}.two-col{grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}}@media(min-width:720px)and (max-width:1039px){nav.main{display:flex;gap:0}nav.main a{padding-inline:7px;font-size:14px}.masthead{flex-wrap:wrap;gap:0 16px;padding-block:12px}.brand{font-size:22px}.search-toggle span{display:none}}@media(min-width:1800px){.wrap{max-width:1440px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}