:root{color-scheme:light;--ink:#161616;--muted:#666;--line:#ececec;--blue:#3064ff;--orange:#ff794f}
*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Hanken,"Avenir Next",Arial,sans-serif}
main{max-width:940px;margin:auto;padding:64px 38px 32px}
.masthead{display:flex;justify-content:space-between;align-items:center;font:11px/1.5 ui-monospace,monospace;letter-spacing:.08em;color:#777}
h1{font-size:clamp(48px,8vw,78px);font-weight:700;letter-spacing:-3.4px;line-height:1.05;margin:26px 0 15px;text-wrap:balance}
h1 em{font-family:Georgia,serif;font-weight:400;color:var(--blue)}
.intro{max-width:540px;font-size:18px;color:#666;line-height:1.5;margin:0 0 32px;text-wrap:pretty}
button{font:inherit;cursor:pointer}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.tabs{display:inline-flex;background:#f3f3f3;padding:4px;border-radius:12px}
.tab{border:0;min-height:42px;background:none;border-radius:8px;padding:10px 17px;font-size:14px;color:#666;transition:background .15s,color .15s,transform .15s}
.tab[aria-selected=true]{background:#fff;color:#161616;box-shadow:0 1px 3px #00000012;font-weight:650}
.save{border:0;background:none;padding:10px 0;min-height:44px;font-size:13px;color:#666}
button:active{transform:scale(.96)}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:5px}
.basis{font-size:12px;color:#737373;margin:12px 0 27px;line-height:1.5}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:34px;border-top:1px solid var(--line);padding-top:23px}
.stat-label{font-size:13px;font-weight:550}
.stat-value{font-family:Georgia,serif;font-size:76px;letter-spacing:-3px;line-height:1.18;font-variant-numeric:tabular-nums;margin-top:4px}
.stat-value small{display:block;font-family:Hanken,Arial,sans-serif;font-size:14px;font-weight:400;letter-spacing:0;margin:0 0 8px;color:#777}
.stat-value.compact{font-size:60px;padding-top:19px}
.stat:first-child .stat-value{color:var(--blue)}
.stat-caption{font-size:12px;color:#666;line-height:1.6;margin-top:4px}
.stats-note{font-size:11px;line-height:1.6;color:#737373;margin:18px 0 30px;max-width:680px}
a{color:inherit;text-underline-offset:3px}
.years-nav{display:flex;gap:7px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:7px 0;margin:0 0 28px;background:white;position:sticky;top:0;z-index:5}
.years-nav a{padding:10px 13px;text-decoration:none;font:12px/24px ui-monospace,monospace;color:#666;border-radius:5px}
.years-nav a:hover{background:#edf3ff;color:var(--blue)}
.years-nav a:first-child{padding-left:0}
.year{display:grid;grid-template-columns:144px minmax(0,1fr);gap:28px;scroll-margin-top:75px}
.year h2{font-family:Georgia,serif;font-size:58px;line-height:1;letter-spacing:-3px;font-weight:400;margin:21px 0 0;color:#252525;position:sticky;top:85px;align-self:start}
.events{position:relative;padding-left:30px;border-left:1px solid #e5e5e5}
.event{position:relative;border:0;margin:0}
.event::before{content:"";position:absolute;left:-32px;top:31px;bottom:-31px;width:3px;background:var(--track-color,var(--color))}
.event.context .model{font-weight:500}
.additional-evidence{border-top:1px solid var(--line);margin-top:8px;padding-top:3px}
.year:last-child .event:last-child::before{display:none}
.event summary{list-style:none;position:relative;padding:22px 20px 22px 0;cursor:pointer;border-bottom:1px solid var(--line);min-height:112px}
.event summary::-webkit-details-marker{display:none}
.event summary::before{content:"";position:absolute;left:-37px;top:29px;width:11px;height:11px;border-radius:50%;background:var(--color);box-shadow:0 0 0 4px white}
.event.context summary::before{background:#fff;box-shadow:0 0 0 2px var(--color),0 0 0 6px white;width:7px;height:7px;left:-35px;top:31px}
.event summary::after{content:"+";position:absolute;right:0;top:49px;color:#999;font:20px/1 Arial,sans-serif}
.event[open] summary::after{content:"−";color:var(--blue)}
.event summary:hover .model{color:var(--blue)}
.event-head{display:flex;gap:12px;align-items:center;justify-content:space-between;font-size:11px;line-height:1.4;color:#717171}
.date{font-family:ui-monospace,monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
.lab{color:#555}
.model{display:block;font-size:25px;line-height:1.18;font-weight:680;letter-spacing:-.75px;margin-top:7px;transition:color .15s;text-wrap:balance}
.event-note{display:block;margin-top:7px;color:#707070;font-size:13px;line-height:1.5;text-wrap:pretty}
.spotlight summary{background:var(--tint);padding-left:18px;padding-right:25px;margin:8px -10px 8px -18px;border-radius:9px;border:0}
.spotlight summary::before{left:-19px}
.spotlight summary::after{right:10px}
.spotlight .event-note{color:#555}
.evidence{font-size:13px;line-height:1.65;color:#616161;padding:3px 14px 20px 0;max-width:610px}
.evidence p{margin:10px 0;text-wrap:pretty}
.evidence a{display:inline-block;min-height:40px;padding:9px 0;color:#3154b8;font-size:12px;margin-right:18px}
.footnote{margin:25px 0 25px 172px;color:#888;font-size:11px;line-height:1.6}
.reasoning{border-top:1px solid var(--line);padding:25px 0 10px;margin-top:22px;scroll-margin-top:80px}
.reasoning h2{font-size:20px;letter-spacing:-.45px;font-weight:650;margin:0 0 12px}
.reasoning p{font-size:14px;line-height:1.65;color:#656565;max-width:740px;text-wrap:pretty}
.mark{width:max-content;margin:34px 0 4px auto}
.mark-bar{display:flex;height:8px;margin-bottom:6px}
.mark-bar i{flex:1 1 0;display:block}
.mark-bar i:nth-child(1){background:#60a2e7}
.mark-bar i:nth-child(2){background:#fff}
.mark-bar i:nth-child(3){background:#f9d951}
.mark-bar i:nth-child(4){background:#ed713e}
.mark a{display:block;color:#8a8a8a;font:11px/1.2 ui-monospace,monospace;letter-spacing:.02em;text-decoration:none;text-align:center}
.mark a:hover{color:#555}
.pagefoot{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.pagefoot .mark{margin:34px 0 4px}
.pagefoot-back{margin-bottom:4px;color:#8a8a8a;font:11px/1.2 ui-monospace,monospace;letter-spacing:.02em;text-decoration:none}
.pagefoot-back:hover{color:#555}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:600px){main{padding:30px 22px 25px}.masthead{font-size:9px;letter-spacing:.03em}h1{letter-spacing:-2px;margin-top:23px}.intro{font-size:16px;margin-bottom:25px}.tab{font-size:12px;padding:10px 12px}.save{font-size:11px}.toolbar{gap:8px}.stats{gap:20px}.stat-value{font-size:62px}.stat-value small{font-size:15px}.stat-label{font-size:12px}.stat-caption{font-size:11px}.basis{font-size:11px}.year{grid-template-columns:1fr;gap:0}.year h2{position:static;font-size:48px;margin:30px 0 20px}.events{margin-left:6px;padding-left:25px}.event::before{left:-27px}.event summary::before{left:-32px}.event.context summary::before{left:-30px}.spotlight summary::before{left:-14px}.model{font-size:23px}.event-head{font-size:10px}.event-note{font-size:12px}.years-nav{margin-bottom:0}.years-nav a{padding:8px 12px}.footnote{margin-left:31px}.evidence{padding-right:0}.stats-note{font-size:10px}.stat-value{white-space:nowrap}.reasoning p{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}button:active{transform:none}}
@media(max-width:600px){.stat-value.compact{font-size:40px;padding-top:26px}.stat-value small{font-size:13px;margin-left:0}.stat-value.compact small{margin-top:2px}}
@media print{main{padding:0}.toolbar,.years-nav,.save{display:none}.year h2{position:static}.event{break-inside:avoid}.event summary::after{display:none}.stats{break-inside:avoid}.reasoning{break-before:auto}}