:root{--canvas:#f1f6fb;--ink:#172d50;--muted:#506582;--blue:#225ad5;--line:#c9d7e8;--lilac:#dce2fb;--mint:#2b6a62;--focus:#6541a0;--control-border:#6d809a;font-family:"Avenir Next","Trebuchet MS",sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none}
.about-copy{max-width:760px;padding-top:36px}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,.button{display:inline-block;min-width:44px;min-height:44px;line-height:1.5;background:var(--blue);color:#fff;border:1px solid var(--blue);padding:12px 18px;border-radius:7px;font-weight:600;cursor:pointer;text-decoration:none}button:hover,.button:hover{background:#1748b5}button:disabled{opacity:.5;cursor:not-allowed}.secondary{background:transparent;color:var(--ink);border-color:var(--control-border)}.secondary:hover{background:#e4ecf7}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.skip{position:fixed;left:12px;top:-100px;padding:12px;background:var(--canvas);color:var(--ink);z-index:9}.skip:focus{top:12px}.wrap{width:min(1200px,calc(100% - 72px));margin:auto}.site-header{max-width:1320px;margin:auto;min-height:96px;padding:24px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:23px;font-weight:700;text-decoration:none}.brand>span:last-child{font-weight:400;color:var(--muted)}.brand-mark{font-size:36px;color:var(--blue)}nav{display:flex;gap:24px}.site-header nav{align-items:flex-start;flex-wrap:wrap}.site-header nav>a{display:inline-flex;align-items:center;min-height:44px}.researcher-menu{max-width:260px;font-size:14px}.researcher-menu summary{min-height:44px;padding:12px 0}.researcher-links{border-left:2px solid var(--control-border);padding:0 0 0 16px}.researcher-links p{font-size:13px;line-height:1.65;margin:8px 0;color:var(--muted)}.site-header .researcher-links a{display:flex;align-items:center;min-height:44px;text-decoration:underline}.site-header nav a{color:var(--ink);text-decoration:none;font-size:14px}nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;padding:65px 0 64px}.pill{display:inline-block;font-size:13px;padding:7px 12px;background:var(--lilac);border-radius:30px;color:#33477c}h1{font-size:clamp(48px,6.2vw,82px);font-weight:500;letter-spacing:-.065em;line-height:1.06;margin:22px 0}h2{font-size:32px;font-weight:500;letter-spacing:-.035em;line-height:1.2}h3{font-size:20px;line-height:1.3;font-weight:600}.lede{font-size:23px;line-height:1.5;max-width:31ch}.hero-note{font-size:14px;line-height:1.7;color:var(--muted);max-width:49ch;margin:24px 0}.text-link{display:inline-flex;gap:28px;text-decoration:none;font-weight:600;margin-top:12px}.orbit{margin:0}.orbit svg{width:100%;height:auto;display:block}.orbit figcaption{text-align:center;font-size:12px;color:var(--muted);margin-top:12px}.scenario-band{background:#dce8f7;padding:30px 36px;text-align:center}.scenario-band p{font-size:24px;line-height:1.5;max-width:800px;margin:auto}.reading-layout{display:grid;grid-template-columns:240px minmax(0,700px);gap:75px;padding-top:80px;padding-bottom:80px}.reading-layout aside{align-self:start;position:sticky;top:32px}.aside-title{font-size:15px;font-weight:600}.reading-layout nav{flex-direction:column;gap:18px;margin:26px 0 40px}.reading-layout nav a{font-size:14px;color:var(--muted);text-decoration:none}.small{font-size:12px;line-height:1.7;color:var(--muted);overflow-wrap:anywhere}.prose section{margin-bottom:64px;scroll-margin-top:36px}.prose section:first-child h2{margin-top:0}.prose p{font-size:17px;line-height:1.85}.prose blockquote{margin:32px 0;padding:24px 30px;border-left:4px solid var(--blue);background:#e3ebfa;font-size:26px;line-height:1.4}.article-end{padding:32px;background:var(--lilac);border-radius:10px}.article-end h3{margin-top:0}footer{border-top:1px solid var(--line);padding:28px 36px;max-width:1320px;margin:auto;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.lab-page{padding-top:45px;padding-bottom:70px}.lab-page h1{font-size:60px}.narrow{max-width:55ch}.lab-grid{display:grid;grid-template-columns:minmax(0, .85fr) minmax(0,1.15fr);gap:26px;margin-top:36px}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;min-width:0}.panel h2{font-size:24px;margin-top:0}.panel p{font-size:14px;line-height:1.7}.panel h2:not(:first-child){margin-top:34px}.panel-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.panel-heading h2{margin-bottom:12px}label{display:block;font-size:13px;font-weight:600;margin:18px 0 8px}input,select{width:100%;padding:11px 12px;border:1px solid var(--control-border);border-radius:5px;background:#fbfdff;color:var(--ink)}input::placeholder{color:var(--muted);opacity:1}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.status{padding:5px 9px;font-size:12px;line-height:1.5;background:#e7eafa;border-radius:5px;white-space:nowrap}.status[data-success="true"]{background:#d8eee6;color:#175449}.response-panel{background:#182d4d;color:#eaf2ff;border-color:#182d4d}.response-panel h3{font-size:13px;color:#b7c9e8;margin-top:26px}.response-panel .status{color:var(--ink)}pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto;max-height:380px;padding:16px;background:#10213d;border-radius:6px;color:#d9e7ff}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}.muted{color:var(--muted)}.research-controls{display:flex;gap:14px;align-items:end;flex-wrap:wrap;margin:28px 0}.research-controls>div{flex:1;min-width:160px}.research-controls button{margin-bottom:0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:white}table{min-width:850px;width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{background:#e4edf8;font-weight:600;padding:14px}td{padding:14px;border-top:1px solid #e2e9f2;vertical-align:top}td button{margin:3px 3px 3px 0;padding:8px 10px;font-size:12px}.ua{min-width:200px;max-width:260px;overflow-wrap:anywhere}.pair-view{margin-top:28px}.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.pair-grid section{min-width:0}.pair-view pre{max-height:480px}.pair-meta{max-height:250px}details summary{cursor:pointer;min-height:44px;padding:12px 0;font-weight:600}.research-note{max-width:80ch}#research-message{min-height:24px}#older{margin-top:16px}[hidden]{display:none!important}
@media(max-width:900px){.hero{padding-top:35px;gap:0}.hero h1{font-size:62px}.lede{font-size:20px}.reading-layout{grid-template-columns:180px 1fr;gap:36px}.lab-grid{grid-template-columns:1fr}.pair-grid{grid-template-columns:1fr}.site-header nav{gap:18px}}
@media(max-width:620px){.wrap{width:calc(100% - 36px)}.site-header{padding:18px;align-items:start;flex-direction:column;gap:12px}.site-header nav{width:100%;justify-content:space-between;gap:10px}.site-header nav a{font-size:12px}.hero{grid-template-columns:1fr;padding:30px 0}.hero h1{font-size:65px}.hero-copy{max-width:100%}.orbit{margin-top:30px}.orbit svg{max-height:360px}.scenario-band{padding:24px}.scenario-band p{font-size:20px}.reading-layout{display:block;padding-top:40px}.reading-layout aside{position:static;margin-bottom:38px}.reading-layout nav{gap:14px;margin:18px 0}.reading-layout aside .small{display:none}.prose h2{font-size:29px}.prose p{font-size:16px}.prose blockquote{font-size:22px}.lab-page h1{font-size:48px}.panel{padding:20px}.panel-heading{flex-direction:column;gap:2px}.panel-heading .status{margin-bottom:12px}.research-controls{align-items:stretch}.research-controls>div{flex-basis:100%}footer{padding:24px 18px;flex-direction:column;gap:8px}}
@media(forced-colors:active){:focus-visible{outline-color:Highlight}.human-option input{accent-color:auto}button,.button,input,select{border-color:ButtonText}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.challenge-root{background:#fff}.challenge-page{background:#fff;min-height:100vh}.challenge-nav{max-width:760px;margin:auto;padding:30px 28px;display:flex;justify-content:space-between;gap:20px;font-size:14px}.challenge-nav>span{font-weight:700}.challenge-main{max-width:680px;margin:30px auto 90px;padding:0 28px}.challenge-main h1{font-size:clamp(44px,8vw,64px);letter-spacing:-.055em}.challenge-main p{line-height:1.75}.challenge-status{font-size:13px;color:var(--muted)}.challenge-lede{font-size:23px}.challenge-main code{overflow-wrap:anywhere}.challenge-main button{margin-top:12px}.challenge-main form{margin:28px 0}.challenge-main form .small{margin:6px 0 20px}.challenge-main #challenge-message{min-height:28px;font-size:14px}.challenge-main details{margin-top:24px}.challenge-main details p{font-size:14px}.challenge-main pre{background:#f1f6fb;color:var(--ink);border:1px solid var(--line)}
.human-option{border-top:1px solid var(--line);margin-top:32px;padding-top:6px}.human-option label{min-height:44px;padding:8px 0;display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:1.6}.human-option input{width:24px;height:24px;margin:0;flex-shrink:0;accent-color:var(--blue)}.human-option .small{margin-bottom:4px}
.research-theme{--canvas:#070d19;--ink:#e6f2ff;--muted:#9eb2ca;--blue:#67f3d6;--line:#30455e;--lilac:#172c3c;--mint:#67f3d6;--focus:#ff82c8;--control-border:#6f8aaa;background:var(--canvas);color-scheme:dark}.research-theme body{background-image:linear-gradient(90deg,transparent 63px,#16304733 64px),linear-gradient(transparent 63px,#16304733 64px);background-size:64px 64px}.research-theme .site-header{border-bottom:1px solid var(--line)}.research-theme .brand-mark{color:#ff82c8}.research-theme .pill{border:1px solid #426174;background:#10232e;color:#94ffe6;border-radius:2px}.research-theme h1{font-weight:600;letter-spacing:-.055em}.research-theme .lab-page>h1{border-left:5px solid #ff82c8;padding-left:20px}.research-theme h2{font-size:26px}.research-theme .table-wrap{background:#0b1424;border-color:#36536d;border-radius:2px;box-shadow:4px 4px 0 #142c3b}.research-theme th{background:#14283b;color:#92ffe8;border-bottom:1px solid #4d7a8b}.research-theme td{border-color:#25394e}.research-theme tbody tr:hover{background:#12283a}.research-theme button{background:#67f3d6;border-color:#67f3d6;color:#07151c;border-radius:2px}.research-theme button:hover{background:#a4ffe9}.research-theme .secondary{background:#102332;color:#90ffe5;border-color:var(--control-border)}.research-theme .secondary:hover{background:#1e3d4c}.research-theme input,.research-theme select{background:#0c192a;color:#e6f2ff;border-color:var(--control-border);border-radius:2px}.research-theme input::placeholder{color:#9eb2ca}.research-theme pre{background:#050b13;color:#bbf9eb;border:1px solid #36536d;border-radius:2px}.research-theme .status{background:#253c4b;color:#a4ffe9}.research-theme #research-message{color:#ffd384}.visit-activity{margin:24px 0;padding:18px 22px;border:1px solid var(--line);border-left:4px solid var(--blue);background:var(--lilac)}#new-records{font-size:22px;font-weight:600;margin:0 0 8px}.visit-activity .small{margin:0}.research-theme .pair-view{border-top:2px solid #ff82c8;padding-top:20px}.research-theme a:focus-visible,.research-theme button:focus-visible,.research-theme input:focus-visible,.research-theme select:focus-visible{outline-color:#ff82c8}
.outlook-dark{--canvas:#10121b;--ink:#e5e8f5;--muted:#b1b4ca;--blue:#ff9acc;--line:#393b50;--lilac:#2e2135;--focus:#ff9acc;--control-border:#a294b3;background:var(--canvas);color:var(--ink);color-scheme:dark}.outlook-dark .site-header{border-bottom:1px solid var(--line)}.future-hero{padding:64px 0 80px;position:relative;border-bottom:1px solid var(--line)}.future-year{font-size:clamp(80px,18vw,210px);font-weight:700;letter-spacing:-.075em;line-height:.85;margin:0 0 36px;color:#a89ab9}.future-hero h2{font-size:clamp(64px,9vw,118px);max-width:9ch;line-height:1.06;letter-spacing:-.065em;margin:22px 0}.future-hero .lede{font-size:26px}.future-hero .hero-note{max-width:57ch}.outlook-dark .prose blockquote{background:#201a2d;border-color:#ff9acc;color:#f3d4e9}.outlook-dark .article-end{border:1px solid #6d4567;background:#231d30;border-radius:3px}.outlook-dark .button{background:#ff9acc;border-color:#ff9acc;color:#231023}.outlook-dark .button:hover{background:#ffc3e2}.outlook-dark .prose a{color:#ffb5dc}
.outlook-bright{--canvas:#f8fbff}.outlook-bright .scenario-band{background:#e2f2ed}.outlook-part.outlook-bright .article-end{background:#d9f0e6;border-left:4px solid #2b6a62}.outlook-bright #build blockquote{background:#e2f2ed;border-color:#2b6a62}
.outlook-part{scroll-margin-top:24px}.outlook-part.outlook-dark{padding-bottom:1px}.part-label{font-size:14px;color:var(--muted);margin:0 0 36px}.part-links{flex-wrap:wrap;gap:12px 28px}.part-links a{min-height:44px;align-items:center}.reader-option{border-left:3px solid var(--blue);padding:4px 0 8px 22px;margin:32px 0}.reader-option h2{font-size:25px}.reader-option .button{margin:8px 0}.reader-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px}.reader-actions>a{display:inline-flex;align-items:center;min-height:44px}.experiment-note{max-width:85ch;margin:24px 0;padding:20px 24px;border-left:3px solid var(--blue);background:var(--lilac)}.experiment-note p{font-size:14px;line-height:1.75}.experiment-note summary{font-size:16px}
@media(max-width:400px){.future-hero h2{font-size:52px}}
@media(max-width:720px){.site-header nav{flex-wrap:wrap;row-gap:12px}.research-theme .lab-page>h1{font-size:44px;padding-left:14px}.future-hero{padding-top:44px}.challenge-main{margin-top:16px}.challenge-nav{padding-top:24px}}