:root{
  color-scheme:light;
  --bg:#ffffff; --surface:#ffffff; --surface-2:#f4f6f8; --ink:#1a2129; --muted:#5b6673;
  --border:#dfe3e8; --border-strong:#c4cbd3;
  --calm:#7a828c; --heat-1:#b8701c; --heat-2:#a4323f; --data:#2b5797;
  --accent:#2b5797; --accent-ink:#204074;
  --zone:rgba(184,112,28,.10); --grid:rgba(26,33,41,.07);
  --sans:"Helvetica Neue",Helvetica,Arial,system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:15.5px}
.wrap{max-width:1440px;margin:0 auto;padding:0 clamp(16px,4vw,32px) 72px;zoom:1.1}
h1,h2,h3{font-weight:600;text-wrap:balance;line-height:1.2;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(25px,4vw,34px)}
h2{font-size:clamp(19px,2.6vw,23px)}
h3{font-size:15.5px;font-weight:700}
p{margin:0}
a{color:var(--accent)}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 12px}
.lede{font-size:16px;color:var(--muted);max-width:72ch;margin:12px 0 0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* masthead + tabs */
.mast{border-bottom:2px solid var(--ink);margin-bottom:6px;padding:22px 0 0}
.mast .kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.mast h1{margin-top:8px;margin-bottom:16px}
.tabs{display:flex;gap:0}
.tab{appearance:none;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-2px;
  font:inherit;font-weight:600;font-size:14.5px;color:var(--muted);padding:9px 2px;margin-right:26px;cursor:pointer}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--accent-ink);border-bottom-color:var(--accent)}

section{margin-top:clamp(30px,5vw,44px)}
.sec-head{max-width:72ch;margin-bottom:18px}
.sec-head p{color:var(--muted);margin-top:8px}
.view{display:none} .view.active{display:block}

/* country board table */
.boardnote{font-size:13.5px;color:var(--muted);max-width:80ch;margin-top:12px}
.boardnote b{color:var(--ink)}
table.board{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:18px}
table.board thead th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  font-weight:600;text-align:left;padding:0 12px 9px;border-bottom:1px solid var(--border-strong);
  cursor:pointer;user-select:none;white-space:nowrap}
table.board thead th.r{text-align:right}
table.board thead th:hover{color:var(--ink)}
table.board thead th.sorted{color:var(--ink)}
table.board thead th.sorted::after{content:"↓";margin-left:5px;font-size:10px}
table.board thead th.sorted[aria-sort="ascending"]::after{content:"↑"}
table.board td{padding:9px 12px;border-bottom:1px solid var(--border)}
table.board tbody tr{cursor:pointer;transition:background .12s}
table.board tbody tr:hover{background:var(--surface-2)}
table.board tbody tr:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
table.board td.nm{font-weight:600}
table.board td.num,table.board td.oi{font-family:var(--mono);font-variant-numeric:tabular-nums;
  text-align:right;white-space:nowrap}
table.board td.oi{font-weight:600}
table.board td.q{font-family:var(--mono);font-size:11.5px;color:var(--muted);text-align:right}
@media (max-width:560px){
  table.board{font-size:13.5px}
  table.board td,table.board thead th{padding-left:7px;padding-right:7px}
}
.cap{font-size:12.5px;color:var(--muted);margin-top:16px;max-width:74ch}

/* detail view */
.backbtn{background:none;border:0;color:var(--accent);font:inherit;font-size:14px;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;padding:6px 0;margin:8px 0 2px}
.backbtn:hover{text-decoration:underline}
.verdict{margin-top:8px;background:var(--surface);border:1px solid var(--border);border-radius:5px;
  padding:clamp(18px,3vw,26px);display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,38px);align-items:center}
.dial{display:flex;flex-direction:column;align-items:center;gap:9px;min-width:120px}
.dial .num{font-family:var(--mono);font-size:46px;font-weight:600;line-height:1;letter-spacing:-.02em}
.vbody h2{margin-bottom:16px}
.readouts{display:flex;flex-wrap:wrap;gap:10px}
.readout{background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:10px 13px;flex:1;min-width:150px}
.readout .k{font-size:11.5px;color:var(--muted);margin-bottom:5px}
.readout .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:18px;font-weight:600}
.readout .v small{font-size:11.5px;font-weight:500;color:var(--muted)}

figure{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:5px;
  padding:clamp(15px,2.4vw,20px);overflow:hidden}
figure+figure{margin-top:14px}
.fig-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:4px}
.fig-title{font-weight:700;font-size:14.5px}
.fig-note{font-size:12px;color:var(--muted)}
.chart{width:100%;height:auto;display:block;overflow:visible}
#strip{overflow-x:auto;padding-bottom:2px}
.stripchart{display:block}
.strip-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:13px;font-size:12px;color:var(--muted)}
.strip-legend span{display:inline-flex;align-items:center;gap:7px}
.swatch{width:11px;height:11px;border-radius:2px;display:inline-block}
.swatch-line{width:18px;height:3.5px;border-radius:1px;display:inline-block;background:var(--ink);opacity:.8}
.swatch-dots{width:18px;height:0;display:inline-block;border-top:2px dotted var(--border-strong)}

/* about / method */
.prose{max-width:74ch}
.prose p{margin-top:12px;color:var(--ink)}
.prose h3{margin-top:28px;color:var(--ink)}
.prose .muted{color:var(--muted)}
table.defs{width:100%;border-collapse:collapse;font-size:14px;margin-top:14px}
table.defs th,table.defs td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:top}
table.defs thead th{font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600}
table.defs td.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.eqbox{background:var(--surface-2);border:1px solid var(--border);border-radius:5px;
  padding:14px 18px;margin:16px 0;font-family:var(--mono);font-size:14px;overflow-x:auto}
.eqbox .lbl{color:var(--muted);font-size:12px;margin-bottom:6px;font-family:var(--mono)}
/* serif math for the filter formulas */
.eq{display:inline-flex;align-items:center;gap:10px;min-width:min-content;white-space:nowrap;
  font-family:Georgia,"Times New Roman",serif;font-size:16.5px;color:var(--ink)}
.eq i{font-style:italic}
.eq sub,.eq sup{font-size:.68em;font-style:italic}
.eq .op{color:var(--muted)}
.frac{display:inline-flex;flex-direction:column;text-align:center;margin:0 .15em;vertical-align:middle}
.frac .fn{padding:0 .45em 2px}
.frac .fd{border-top:1.3px solid currentColor;padding:2px .45em 0}
.sum{display:inline-flex;align-items:center}
.sum .lim{display:inline-flex;flex-direction:column;font-size:.55em;line-height:1.15;
  font-style:italic;margin-left:2px;text-align:center}
table.vars{width:100%;border-collapse:collapse;font-size:14px;margin-top:8px}
table.vars td{padding:7px 10px;border-bottom:1px solid var(--border);vertical-align:top}
table.vars td:first-child{font-family:Georgia,serif;font-style:italic;white-space:nowrap;width:1%;
  padding-right:24px;color:var(--ink)}
table.vars td:last-child{color:var(--muted)}
table.vars sub{font-style:italic}
/* collapsible math */
details.math{border:1px solid var(--border);border-radius:5px;margin:16px 0}
details.math>summary{cursor:pointer;list-style:none;padding:10px 14px;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
details.math>summary::-webkit-details-marker{display:none}
details.math>summary::before{content:"+";display:inline-block;width:15px;
  color:var(--border-strong);font-weight:700}
details.math[open]>summary::before{content:"\2013"}
details.math>summary:hover{color:var(--ink)}
details.math[open]>summary{border-bottom:1px solid var(--border)}
details.math>*:not(summary){padding-left:14px;padding-right:14px}
details.math>*:last-child{padding-bottom:4px}
details.math .eqbox{margin:14px 0}
details.math table.vars{width:calc(100% - 28px)}
/* references */
.reflist{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:16px;max-width:78ch}
.reflist li{padding-left:0;font-size:14.5px;line-height:1.55}
.reflist .who{font-weight:600}
.reflist .what{font-style:italic}
.reflist .note{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.reflist a{word-break:break-all}
.callout{background:var(--surface-2);border:1px solid var(--border);border-left:3px solid var(--accent);
  border-radius:4px;padding:14px 16px;font-size:13.5px;margin-top:16px;max-width:78ch}

footer{margin-top:52px;padding-top:20px;border-top:1px solid var(--border);
  font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

#tt{position:fixed;pointer-events:none;z-index:50;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:4px;padding:7px 10px;font-size:12px;box-shadow:0 4px 16px rgba(0,0,0,.14);opacity:0;
  transition:opacity .08s;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px}
#tt .tq{color:var(--muted);margin-bottom:3px;font-size:12px}
#qmenu{position:fixed;z-index:60;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:5px;padding:12px 15px;box-shadow:0 6px 24px rgba(0,0,0,.16);display:none;
  min-width:240px;font-size:13.5px}
#qmenu .tq{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:11.5px;
  color:var(--muted);margin-bottom:7px}
#qmenu a{display:block;padding:3.5px 0;color:var(--accent);text-decoration:none}
#qmenu a:hover{text-decoration:underline}
#qmenu .cx{color:var(--muted);font-size:12px;margin-top:7px;border-top:1px solid var(--border);padding-top:7px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
@media (max-width:600px){ .verdict{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
a.tab{text-decoration:none}