:root{
  --bg:#EDF0F2; --surface:#F8F9FA; --ink:#1C2733; --muted:#5A6775; --rule:#C9D0D7;
  --up:#A33A30; --down:#2D6A4F;
  --sA:#B8700C; --sB:#00897B; --sC:#9150B8; --sD:#C8413A; --sE:#3569D4;
  --accent:#B8700C; --grid:#E1E6EA; --axis:#C9D0D7;
  --good:#2E7D4F; --warn:#9A6B00; --crit:#B42318;
  /* text-on-background variants (AA 4.5:1); series colors stay for marks only */
  --link:#2F62C8; --sA-text:#8A5608; --warn-text:#855C00; --crit-bg:#B42318;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#141A21; --surface:#1B232C; --ink:#E3E8ED; --muted:#98A5B3; --rule:#2E3A46;
    --up:#E07A6F; --down:#6FBF95;
    --sA:#C4861A; --sB:#139A8C; --sC:#A36ED0; --sD:#DC564A; --sE:#4F82DC;
    --accent:#D9A441; --grid:#26313C; --axis:#34414E;
    --good:#4FB27A; --warn:#D4A72C; --crit:#F0645A;
    --link:#6B96E6; --sA-text:var(--sA); --warn-text:var(--warn); --crit-bg:#B42318;
  }
}
:root[data-theme="dark"]{
  --bg:#141A21; --surface:#1B232C; --ink:#E3E8ED; --muted:#98A5B3; --rule:#2E3A46;
  --up:#E07A6F; --down:#6FBF95;
  --sA:#C4861A; --sB:#139A8C; --sC:#A36ED0; --sD:#DC564A; --sE:#4F82DC;
  --accent:#D9A441; --grid:#26313C; --axis:#34414E;
  --good:#4FB27A; --warn:#D4A72C; --crit:#F0645A;
  --link:#6B96E6; --sA-text:var(--sA); --warn-text:var(--warn); --crit-bg:#B42318;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55}
main{max-width:980px;margin:0 auto;padding:28px 16px 60px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0}
h1{font-size:clamp(28px,5vw,40px)}
h2{font-size:22px;margin-bottom:12px}
h3{font-size:18px;margin:18px 0 8px}
h4{font-size:16px;margin:14px 0 6px}
p{margin:0 0 10px}
a{color:var(--link)}
.lede{color:var(--muted);max-width:66ch;margin-top:8px}
section{margin-top:36px}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--sE);outline-offset:2px}
nav.top{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;margin-bottom:18px}
nav.top a{color:var(--muted);text-decoration:none}
nav.top a:hover{color:var(--ink);text-decoration:underline}

/* readings */
.readings{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border-top:2px solid var(--ink);margin-top:24px}
.reading{padding:14px 14px 16px 0;border-bottom:1px solid var(--rule)}
.reading .name{font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:center}
.swatch{width:10px;height:10px;border-radius:50%;flex:none;display:inline-block}
.reading .fig{font-family:var(--serif);font-size:44px;line-height:1.05;margin-top:6px;font-variant-numeric:tabular-nums}
.reading .fig small{font-size:20px}
.delta{font-size:13px;font-weight:600}
.delta.up{color:var(--up)} .delta.down{color:var(--down)} .delta.flat{color:var(--muted);font-weight:400}
.reading .horizons{font-size:13px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums}
.reading svg{display:block;margin-top:8px}

/* chart */
.chart-head{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between}
.chart-wrap{background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:12px;margin-top:12px;overflow-x:auto}
.axis line{stroke:var(--rule)}

/* layout */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:720px){.cols{grid-template-columns:1fr}}
ul.plain{margin:0;padding-left:18px}
ul.plain li{margin-bottom:8px}
table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto}
/* a table wider than its box fades at the right edge until scrolled to the end (charts.js sets the class) */
.table-wrap.more-right{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 36px),transparent)}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-weight:600;color:var(--muted)}
td.num,th.num{white-space:nowrap}
.prose{max-width:72ch}
details{border-bottom:1px solid var(--rule);padding:10px 0}
summary{cursor:pointer;font-weight:600}
details .body{margin-top:10px;font-size:15px}
.btn{background:var(--ink);color:var(--bg);border:0;border-radius:6px;padding:8px 14px}
.muted{color:var(--muted)}
.empty{padding:24px;border:1px dashed var(--rule);border-radius:8px;color:var(--muted)}
.callout{background:var(--surface);border:1px solid var(--rule);border-left:4px solid var(--sE);border-radius:6px;padding:14px 16px;margin:14px 0}

/* report */
.report h2{margin-top:34px;padding-top:10px;border-top:2px solid var(--ink)}
.report li{margin-bottom:6px}
.report ul{padding-left:20px}
.tag{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;border:1px solid var(--rule);border-radius:3px;padding:0 5px;margin-right:4px;color:var(--muted);white-space:nowrap}
.tag.fact{color:var(--down);border-color:var(--down)}
.tag.report{color:var(--link);border-color:var(--link)}
.tag.opinion{color:var(--sA-text);border-color:var(--sA-text)}
.tag.spec{color:var(--up);border-color:var(--up)}
.hyp{border-left:4px solid var(--rule);padding-left:14px;margin:18px 0}
.hyp.A{border-color:var(--sA)} .hyp.B{border-color:var(--sB)} .hyp.C{border-color:var(--sC)} .hyp.D{border-color:var(--sD)}
.bottomline{font-family:var(--serif);font-size:19px;line-height:1.5;background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:18px 20px}
ol.refs{font-size:14px;padding-left:24px}
ol.refs li{margin-bottom:4px;word-break:break-word}
footer{margin-top:48px;font-size:13px;color:var(--muted);border-top:1px solid var(--rule);padding-top:14px}

/* roundup */
.roundup{display:grid;grid-template-columns:1fr 1fr;gap:4px 28px}
@media (max-width:720px){.roundup{grid-template-columns:1fr}}
.rgroup h3{margin-top:14px}
.rdate{font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}

/* subscribe */
.subscribe{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--rule);border-left:4px solid var(--sA);border-radius:6px;padding:14px 16px;margin:20px 0}
.subscribe .btn{text-decoration:none;white-space:nowrap}

/* ===== chart kit (see style.html) ===== */
.small{font-size:13px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.chart{width:100%}
.chart svg{display:block;max-width:100%}
.axis text{fill:var(--muted);font-size:11px;font-family:var(--sans);font-variant-numeric:tabular-nums}
.axis line.grid{stroke:var(--grid);stroke-width:1}
.axis line.base{stroke:var(--axis);stroke-width:1}
.crosshair{stroke:var(--axis);stroke-width:1}
.end-label,.row-label{fill:var(--ink);font-size:12px;font-family:var(--sans)}
.row-label{fill:var(--muted)}
.dial-value{fill:var(--ink);font-family:var(--sans);font-weight:600}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:13px;color:var(--ink)}
.lg-item{display:inline-flex;gap:6px;align-items:center}
.lg-line{width:16px;height:2px;border-radius:1px;display:inline-block}
.chart-tip{position:fixed;z-index:50;pointer-events:none;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:6px;padding:8px 10px;font-size:13px;box-shadow:0 4px 16px rgba(0,0,0,.12);max-width:320px}
.tip-title{font-weight:600;margin-bottom:4px}
.tip-row{display:flex;gap:8px;align-items:center;justify-content:space-between}
.tip-row span:first-of-type{flex:1}
.tip-key{width:10px;height:10px;border-radius:50%;flex:none;display:inline-block}
.table-view{margin-top:8px;border:0;padding:0}
.table-view summary{font-weight:400;font-size:13px;color:var(--muted)}
.table-view table{margin-top:6px}

/* hero: Hidden AGI Index */
.hero{display:grid;grid-template-columns:auto 1fr;gap:8px 28px;align-items:center;margin-top:22px;padding:18px 20px;background:var(--surface);border:1px solid var(--rule);border-radius:10px}
.hero .kicker{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.hero .big{font-family:var(--sans);font-weight:600;font-size:56px;line-height:1}
.hero .big small{font-size:24px}
.hero p{margin:6px 0 0}

/* needle */
.needle{border-left:4px solid var(--accent);padding:10px 14px;background:var(--surface);border-radius:0 6px 6px 0;margin:18px 0}
.needle .kicker{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.needle .headline{font-family:var(--serif);font-size:19px;font-weight:600;margin:4px 0}
.needle.quiet{border-left-color:var(--axis)}

/* tripwires */
ul.tripwires{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.tw{display:grid;grid-template-columns:118px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--rule)}
@media (max-width:560px){.tw{grid-template-columns:1fr;gap:4px}}
.tw-status{font-size:13px;font-weight:600;display:flex;gap:8px;align-items:center}
.tw-icon{font-size:16px;line-height:1}
.tw-signal{font-weight:500}
.tw-hyp{display:inline-flex;gap:5px;align-items:center;font-size:12px;font-weight:600;color:var(--muted);margin-right:4px}
.tw-note{font-size:14px;margin-top:2px}

/* forecast meters */
.fc-list{border-top:1px solid var(--rule)}
.fc-row{display:grid;grid-template-columns:1fr 200px 48px;gap:14px;align-items:center;padding:10px 0;border-bottom:1px solid var(--rule)}
@media (max-width:600px){.fc-row{grid-template-columns:1fr 48px}.fc-meter{grid-column:1/-1;order:3}}
.fc-meter{position:relative;height:10px;border-radius:5px;background:var(--grid)}
.fc-fill{height:100%;border-radius:5px;background:var(--accent)}
.fc-market{position:absolute;top:-4px;width:14px;height:14px;margin-left:-7px;border-radius:50%;border:2px solid var(--ink);background:var(--surface);box-sizing:border-box}
.fc-val{font-weight:600;text-align:right;font-variant-numeric:tabular-nums}

/* stat tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:16px 0}
.tile{background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:12px 14px}
.tile .label{font-size:13px;color:var(--muted)}
.tile .value{font-family:var(--sans);font-weight:600;font-size:32px;line-height:1.15;margin-top:2px}
.tile .delta{font-size:13px}

/* site nav + section cards */
nav.site{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:14px;padding-bottom:12px;margin-bottom:18px;border-bottom:1px solid var(--rule)}
nav.site a{color:var(--muted);text-decoration:none}
nav.site a:hover,nav.site a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
nav.site .brand{font-family:var(--serif);font-weight:600;color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.card{display:block;background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:14px 16px;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--accent)}
.card strong{font-family:var(--serif);font-size:17px;display:block;margin-bottom:4px}
.card span{font-size:14px;color:var(--muted)}
.timeline-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule)}
.timeline-list li{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--rule)}
.timeline-list .when{font-weight:600;font-variant-numeric:tabular-nums}
.chip{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;border:1px solid var(--rule);border-radius:3px;padding:0 5px;color:var(--muted);margin-left:6px}
.lg-ring{width:10px;height:10px;border-radius:50%;border:2px solid var(--ink);display:inline-block;box-sizing:border-box}
.lg-band{width:16px;height:10px;border-radius:2px;background:var(--ink);opacity:.15;display:inline-block}
.lg-dash{width:16px;height:0;border-top:2px dashed var(--accent);display:inline-block}
.forecast-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}
.forecast-grid .mini{background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:10px 12px}
.forecast-grid .mini h3{font-size:15px;margin:0 0 4px;display:flex;gap:6px;align-items:center}
.forecast-grid .mini p{font-size:13px;margin:4px 0 0}

/* gauge row */
.gauges{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:12px}
.gauge{background:var(--surface);border:1px solid var(--rule);border-top:3px solid var(--accent);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.g-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.g-label{font-family:var(--serif);font-weight:600;font-size:17px}
.g-kind{margin:0}
.g-value{font-family:var(--sans);font-weight:600;font-size:30px;line-height:1.15;margin-top:4px}
.g-spark{display:block;margin:2px 0}
.g-note{line-height:1.45}
.g-feeds{margin-top:auto;padding-top:4px}

/* fire alarm */
.alarm{border:1px solid var(--rule);border-left:6px solid var(--good);border-radius:8px;padding:12px 16px;margin-top:22px;background:var(--surface);display:flex;flex-direction:column;gap:6px}
.alarm-1{border-left-color:var(--warn)} .alarm-2,.alarm-3{border-left-color:var(--crit)}
.alarm-3{box-shadow:0 0 0 2px var(--crit) inset}
.alarm-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.alarm-kicker{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.alarm-icon{font-size:20px;line-height:1}
.alarm-name{font-family:var(--serif);font-size:20px}
.alarm-scale{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;max-width:320px}
.alarm-seg{height:6px;border-radius:3px;background:var(--grid)}
.alarm-seg.on{outline:2px solid var(--ink);outline-offset:1px}
.alarm-meaning{font-weight:500}
.alarm-banner{background:var(--crit-bg);color:#fff;padding:10px 16px;text-align:center;font-size:15px}
.alarm-banner a{color:#fff;text-decoration:underline}
.lv-table td:first-child{white-space:nowrap;font-weight:600}
.met-yes{font-weight:600}

/* status line: the bottom line first */
#status .status-lead{color:var(--ink)}
.how-fits{max-width:72ch;margin:10px 0 0}

/* fire alarm: neutral box when the data can't be read (never red), linked trigger codes */
.alarm-unknown{border-left-color:var(--rule)}
.alarm-detail a{color:inherit}

/* tripwires: unknown status fails closed; chip linking to the alarm trigger */
.tw.unknown .tw-status{color:var(--crit)}
.tw-trigger{text-decoration:none;margin-left:4px;white-space:nowrap}
.tw-trigger:hover{color:var(--ink);border-color:var(--ink)}

/* method details that don't depend on hover */
.g-how,.fc-why{border:0;padding:0;margin-top:2px}
.g-how summary,.fc-why summary{font-weight:400;color:var(--muted)}
.g-how p,.fc-why p{margin:4px 0 0}
.g-how ol{margin:4px 0 0;padding-left:18px}
.g-how li{margin-bottom:2px}
.fc-res,.fc-corr{margin-top:2px}

/* legend marks for the disclosure-lag chart */
.lg-glyph{font-size:12px;line-height:1;color:var(--ink)}
.lg-tick{width:2px;height:12px;background:var(--ink);display:inline-block}

/* alarm trigger tables share column widths; only the status badge stays on one line */
table.trig{table-layout:fixed}
table.trig td{overflow-wrap:anywhere}
.trig th:nth-child(1){width:3em} .trig th:nth-child(2){width:38%} .trig th:nth-child(3){width:24%}
.trig .st{white-space:nowrap}
/* phones: each trigger becomes a card (id, trigger, threshold, status), labelled from data-label */
@media (max-width:640px){
  table.trig,table.trig tbody,table.trig tr,table.trig td{display:block;width:auto!important}
  table.trig{table-layout:auto}
  table.trig thead{display:none}
  table.trig tr{padding:10px 0;border-bottom:1px solid var(--rule)}
  table.trig td{border:0;padding:2px 0}
  table.trig td.num{font-weight:600}
  table.trig td[data-label]::before{content:attr(data-label);display:block;font-size:12px;font-weight:600;color:var(--muted)}
  .trig .st{white-space:normal}
  table.alarm-hist td.num{white-space:normal}
  .claims-wide{display:none}
}
.claims-compact{display:none}
@media (max-width:640px){.claims-compact{display:block;margin-top:4px}}

/* five-item rows (gauges, forecast panels) go 3 + 2 instead of leaving an orphan tile */
@media (min-width:720px){
  .gauges,.forecast-grid{grid-template-columns:repeat(6,1fr)}
  .gauges>*,.forecast-grid>*{grid-column:span 2}
  .gauges>:nth-last-child(2):nth-child(3n+1),.gauges>:last-child:nth-child(3n+2),
  .forecast-grid>:nth-last-child(2):nth-child(3n+1),.forecast-grid>:last-child:nth-child(3n+2){grid-column:span 3}
  .gauges>:last-child:nth-child(3n+1),.forecast-grid>:last-child:nth-child(3n+1){grid-column:1/-1}
}
.cards{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}

/* phones: one swipeable nav row, and the Index number beside a small dial */
@media (max-width:640px){
  nav.site,nav.top{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}
  nav.site::-webkit-scrollbar,nav.top::-webkit-scrollbar{display:none}
  nav.site>a,nav.top>a{flex:none}
  .hero{grid-template-columns:auto 1fr;justify-items:start;text-align:left;padding:12px 14px;gap:8px 16px}
  .hero #dial svg{width:120px;height:auto}
  .hero .big{font-size:44px}
}

/* tripwires: room for "Observed · feeds Watch" (a tripped signal capped at its Watch-level trigger) */
@media (min-width:561px){.tw{grid-template-columns:180px 1fr}}

/* nav: the one emphasised entry, right after the brand (ink, not a status colour) */
nav.site a.nav-key{color:var(--ink);font-weight:600;border:1px solid var(--ink);border-radius:999px;padding:0 9px;text-decoration:none}
nav.site a.nav-key:hover{text-decoration:underline;text-underline-offset:3px}

/* escape watch (hypothesis C): a boxed section under the alarm and Index, status tiles with icon + word */
.escape-watch{margin-top:18px;padding:16px 20px 12px;background:var(--surface);border:1px solid var(--rule);border-radius:10px}
.escape-watch .kicker{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.escape-watch h2{margin:2px 0 4px;font-size:24px}
.esc-intro{max-width:72ch}
.esc-overall{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:baseline;margin-top:10px}
.esc-status{font-size:13px;font-weight:600;display:flex;gap:7px;align-items:center}
.esc-status-lg{font-size:17px}
.esc-icon{font-size:16px;line-height:1}
.esc-status-lg .esc-icon{font-size:20px}
.esc-line{max-width:78ch;margin:6px 0 0;font-size:15px}
ul.esc-grid{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,210px),1fr));gap:10px}
.esc{background:var(--bg);border:1px solid var(--rule);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:3px}
.esc.unknown .esc-status{color:var(--crit)}
.esc-name{font-family:var(--sans);font-size:15px;font-weight:600;line-height:1.3;margin:2px 0 0}
.esc-name a{color:var(--ink);text-decoration:none}
.esc-name a:hover{color:var(--link);text-decoration:underline}
.esc-why{margin:0;color:var(--muted);line-height:1.45}
.esc-trig{margin:4px 0 0}
.esc-more{border:0;padding:0;margin-top:2px}
.esc-more summary{font-weight:400;color:var(--muted)}
.esc-more-link{margin:12px 0 2px;font-size:14px;font-weight:600}
@media (min-width:900px){ul.esc-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:640px){
  .escape-watch{padding:12px 14px 8px}
  .esc-line{font-size:15px}
  ul.esc-grid{gap:6px}
  /* phones: status word and name share the first row, the reason runs underneath */
  .esc{flex-direction:row;flex-wrap:wrap;align-items:baseline;column-gap:10px;padding:8px 10px}
  .esc-name{flex:1 1 55%;margin:0}
  .esc-why,.esc-trig,.esc-more{flex-basis:100%}
}