:root{color-scheme:dark;--bg:#111315;--panel:#191c1f;--line:#42464a;--text:#f2f0eb;--muted:#bcbdbb;--a:#f0a5c8;--s:#83d2e5;--m:#e7be75}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:19px/1.55 'Times New Roman',Times,serif}a{color:inherit;text-underline-offset:4px}a:hover{color:#c7e7dc}button,input,select{font:16px/1.3 system-ui,sans-serif;color:var(--text);background:#212529;border:1px solid #646a70;border-radius:3px;min-height:43px;padding:9px 11px}button{cursor:pointer}button:hover{background:#343b40}button:disabled,select:disabled{opacity:.5}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e7be75;outline-offset:4px}.skip{position:absolute;top:-100px}.skip:focus{top:10px;left:10px;z-index:10000;background:#000;padding:12px}.top{display:flex;align-items:center;gap:16px;padding:22px 4vw;border-bottom:1px solid var(--line);font:14px/1.4 system-ui,sans-serif}.top nav{margin-left:auto}.top a{text-decoration:none}main{max-width:1450px;margin:auto;padding:0 4vw}.intro{padding:66px 0 42px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font:12px/1.5 system-ui,sans-serif;color:var(--muted);margin:0 0 16px}h1{font-weight:400;font-size:clamp(58px,7vw,105px);letter-spacing:-.035em;line-height:1.03;margin:20px 0 24px}.lede{font-size:clamp(23px,2.3vw,34px);line-height:1.3;max-width:30em}.intro-text{max-width:49em;color:var(--muted)}.contents{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;font:14px system-ui,sans-serif}.framing{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:18px}.framing p{margin:0}.framing strong{font-weight:400;color:#fff}.framing p{color:var(--muted)}section[id]{padding:64px 0 30px;border-bottom:1px solid var(--line)}h2{font-weight:400;font-size:clamp(33px,4vw,52px);line-height:1.1;margin:0 0 25px}h3{font-weight:400;font-size:25px;line-height:1.25;margin:15px 0}h4{font:600 14px/1.4 system-ui,sans-serif}.section-heading{display:flex;justify-content:space-between;gap:25px;align-items:start}.section-heading>p{margin-top:0;font-size:16px;color:var(--muted);text-align:right}.controls{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;padding:22px 0}.controls label{display:flex;flex-direction:column;gap:7px;font:13px/1.4 system-ui,sans-serif;flex:1;min-width:180px}.controls select{width:100%}.controls .checkbox{flex-direction:row;align-items:center;flex-wrap:wrap;max-width:290px}.checkbox input{min-height:20px;accent-color:#e7be75}.checkbox small{display:block;font-size:11px;margin-left:23px;color:var(--muted)}.selection-note,.caption{color:var(--muted);font:13px/1.6 system-ui,sans-serif}.selection-note{border-left:2px solid #acc9bf;padding-left:14px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:25px 0}.metric{padding:14px 18px;border:1px solid var(--line);background:var(--panel)}.metric h3{margin:0 0 8px;font-size:24px}.metric strong{font-weight:400;font-size:36px}.metric small{display:block;color:var(--muted);font:12px/1.6 system-ui,sans-serif}.map-layout{display:grid;grid-template-columns:1fr 220px;gap:24px}#map{height:560px;background:#15191d;border:1px solid var(--line);isolation:isolate}.map-key{font:14px/1.7 system-ui,sans-serif}.map-key h3{font-family:'Times New Roman',serif}.swatch{display:inline-block;width:20px;height:3px;margin:0 12px 4px 0}.a{background:var(--a)}.s{background:var(--s)}.m{background:var(--m)}.leaflet-container{font:14px/1.45 system-ui,sans-serif}.leaflet-popup-content-wrapper,.leaflet-popup-tip{color:#f2f0eb;background:#252b30}.leaflet-popup-content{max-height:350px;overflow:auto}.leaflet-popup-content button{font-size:12px;margin:3px}.leaflet-control-attribution{background:#222b!important;color:#ddd}.leaflet-bar a{background:#252b30;color:#fff}.leaflet-bar a:hover{background:#485159}.place-mark{font:25px/25px 'Times New Roman',serif;text-align:center;text-shadow:0 1px 4px #000}.home-label{white-space:nowrap;background:#111d;border:0;font:16px 'Times New Roman',serif;color:#fff;box-shadow:none}.direction-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:30px 0}.compact{font:13px system-ui,sans-serif;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.compact select{min-height:35px}#radials{display:flex;flex-wrap:wrap;gap:10px}.radial{flex:1;min-width:170px;max-width:430px}.radial svg{width:100%;height:auto;display:block}.radial h4{margin:12px 0;text-align:center}.table-wrap{overflow-x:auto;max-width:100%}table{border-collapse:collapse;width:100%;font:14px/1.5 system-ui,sans-serif;margin:12px 0 22px}th,td{text-align:left;vertical-align:top;padding:11px 12px;border-bottom:1px solid var(--line)}th{font-weight:500;color:var(--muted)}caption{text-align:left;color:var(--muted);padding:10px 0}td{overflow-wrap:anywhere}.notice{padding:15px 18px;margin:20px 0;border-left:2px solid #d1b77c;background:var(--panel);font-size:17px}.coin-controls{max-width:700px}.coin-chart{display:grid;grid-template-columns:150px 1fr;gap:15px;align-items:center;margin:18px 0}.coin-chart span{font:14px system-ui,sans-serif}.stack{display:flex;width:100%;height:34px;overflow:hidden}.stack i{height:100%;display:block;border-right:1px solid #111}.stack-key{display:flex;flex-wrap:wrap;gap:14px;font:12px/1.5 system-ui,sans-serif;margin:20px 0}.stack-key span:before{content:'';display:inline-block;width:10px;height:10px;background:var(--key);margin-right:7px}.reader-layout{display:grid;grid-template-columns:280px 1fr;gap:25px}.search-label{flex:3!important}.record-list{height:650px;overflow:auto;border:1px solid var(--line)}.record-list button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;font:17px/1.4 'Times New Roman',serif;padding:14px}.record-list button small{display:block;font:11px/1.5 system-ui,sans-serif;color:var(--muted)}.record-list button[aria-pressed=true]{background:#343c40}#record-detail{padding:5px 22px;background:var(--panel);min-height:500px;overflow-wrap:anywhere}#record-detail p{font-size:17px}.axis-list{display:grid;grid-template-columns:140px 1fr;gap:10px 18px;font-size:16px}.axis-list dt{color:var(--muted)}.axis-list dd{margin:0 0 12px}.axis-list strong{font:13px system-ui,sans-serif;display:block;margin-bottom:4px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 35px}.method-grid article{border-top:1px solid var(--line)}.method-grid p{font-size:18px;color:var(--muted)}details{border-top:1px solid var(--line);padding:18px 0;margin:12px 0}summary{cursor:pointer;font-size:20px}details p{max-width:65em}.question,.source{border-top:1px solid var(--line);padding:18px 0}.question p,.source p{font-size:17px;margin:8px 0}.source h3{font-size:21px}.tag{display:inline-block;font:11px/1.5 system-ui,sans-serif;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--line);padding:3px 8px;color:#d4d7d5}.figure-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}figure{margin:15px 0}figure img{width:100%;height:auto;background:#fff}figcaption{font-size:16px;color:var(--muted)}.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:20px 0}.downloads a{font-size:16px}footer{display:flex;justify-content:space-between;gap:25px;padding:36px 4vw;color:var(--muted);font:12px/1.6 system-ui,sans-serif}section>p{max-width:68em}.empty{padding:20px}.muted{color:var(--muted)}
@media(max-width:900px){.map-layout{grid-template-columns:1fr}.map-key{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.map-key h3{grid-column:1/-1}#map{height:460px}.direction-layout{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr 1fr}.metric{padding:10px}.metric h3{font-size:20px}.reader-layout{grid-template-columns:220px 1fr}.axis-list{grid-template-columns:1fr}.axis-list dt{border-top:1px solid var(--line);padding-top:6px}.axis-list dd{margin-bottom:8px}.downloads{grid-template-columns:1fr 1fr}}
@media(max-width:600px){body{font-size:18px}main{padding:0 20px}.top{flex-wrap:wrap;gap:8px}.top nav{width:100%;margin-left:0}.intro{padding-top:38px}h1{font-size:61px}.contents{gap:15px 18px}.framing{grid-template-columns:1fr;gap:20px}.section-heading{display:block}.section-heading>p{text-align:left}.controls label{min-width:100%}.metrics{grid-template-columns:1fr}.metric{display:flex;align-items:center;gap:18px}.metric h3{min-width:90px}.metric small{margin-left:auto}#map{height:410px}.map-key{grid-template-columns:1fr 1fr;font-size:12px}.direction-layout{gap:15px}.reader-layout{grid-template-columns:1fr}.record-list{height:235px}#record-detail{padding:8px 15px}.method-grid{grid-template-columns:1fr}.figure-grid{grid-template-columns:1fr}.downloads{grid-template-columns:1fr}.coin-chart{grid-template-columns:75px 1fr;gap:10px}.stack{height:30px}footer{display:block}section[id]{padding-top:45px}.radial{min-width:150px}th,td{padding:8px}#radials{gap:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.controls .checkbox{display:grid;grid-template-columns:18px 1fr;column-gap:8px;align-items:center}.controls .checkbox input{width:18px;height:18px;min-height:18px;padding:0;margin:0}.controls .checkbox small{grid-column:2;margin-left:0}.home-pin{position:relative}.home-pin svg{display:block}.home-pin span{position:absolute;white-space:nowrap;background:#111e;padding:2px 5px;border:1px solid #5558;border-radius:2px;font:16px/1.2 'Times New Roman',serif;pointer-events:none}
.home-pin{position:absolute}