.reader-body{--ink:#163b3d;--muted:#52676a;--teal:#17685e;--gold:#ad6721;--line:#c9d8d4;--paper:#faf8f2;--white:#fff;--wash:#e7f1ec}
.reader-body *{box-sizing:border-box}
.reader-body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.reader-body a{color:#135c75;text-underline-offset:3px;overflow-wrap:anywhere}
.reader-body a:focus-visible,.reader-body input:focus-visible,.reader-body button:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
.reader-body .skip{position:absolute;left:12px;top:-100px}
.reader-body .skip:focus{top:12px;background:white;padding:10px;z-index:3}
.reader-body .top{border-bottom:1px solid var(--line);padding:18px max(22px,calc((100vw - 1040px)/2));display:flex;gap:20px;justify-content:space-between;font-size:15px}
.reader-body .brand{letter-spacing:.08em;font-weight:750}
.reader-body .wrap{max-width:1040px;padding:0 28px;margin:auto}
.reader-body header{padding:56px 0 24px}
.reader-body .eyebrow{color:var(--teal);font-size:14px;letter-spacing:.11em;text-transform:uppercase;font-weight:700}
.reader-body h1{font:700 clamp(2.1rem,5vw,3.5rem)/1.12 Georgia,serif;max-width:920px;margin:18px 0 24px;letter-spacing:-.035em}
.reader-body h2{font:700 1.8rem/1.25 Georgia,serif;margin:0 0 18px}
.reader-body h3{font-size:1.1rem;line-height:1.35;margin:0 0 10px}
.reader-body p{margin:0 0 20px}
.reader-body .lead{font-size:1.2rem;max-width:860px}
.reader-body .meta,.reader-body .source,.reader-body .small{font-size:14px;line-height:1.55;color:var(--muted)}
.reader-body .toc{display:flex;gap:12px 24px;flex-wrap:wrap;padding:18px 0 30px;font-size:15px}
.reader-body section{padding:30px 0;border-top:1px solid var(--line)}
.reader-body .note{border-left:4px solid var(--gold);background:#fff2da;padding:18px 22px;margin:24px 0}
.reader-body .note p:last-child{margin-bottom:0}
.reader-body .answer{padding:24px;border-radius:12px;background:var(--wash)}
.reader-body figure{margin:26px 0;padding:26px;background:white;border:1px solid var(--line);border-radius:16px}
.reader-body figcaption{font-size:14px;color:var(--muted);margin-top:18px}
.reader-body .tag{font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);display:block;margin-bottom:12px}
.reader-body .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:step;list-style:none;padding:0;margin:18px 0}
.reader-body .flow li{padding:18px 14px;background:var(--wash);border-top:4px solid var(--teal);position:relative;font-size:15px;line-height:1.5}
.reader-body .flow li:before{counter-increment:step;content:counter(step);display:block;font-size:22px;font-weight:800;margin-bottom:10px}
.reader-body .flow strong{display:block;line-height:1.35;margin-bottom:10px}
.reader-body .lanes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.reader-body .lane{border:1px dashed var(--teal);padding:16px;font-size:15px}
.reader-body .lane b{display:block}
.reader-body .tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.reader-body .tile{background:var(--wash);padding:18px}
.reader-body .tile:nth-child(2){background:#f8eddc}
.reader-body .tile:nth-child(3){background:#e8eff7}
.reader-body .tile ul{font-size:15px;line-height:1.6;padding-left:20px;margin:0}
.reader-body .matrix{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.reader-body .matrix>div{padding:20px;background:var(--wash)}
.reader-body .matrix p{font-size:16px}
.reader-body .fields{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:20px 0}
.reader-body label{font-size:14px;font-weight:650}
.reader-body input{display:block;width:100%;font:inherit;margin-top:8px;padding:10px;border:1px solid #809a96;border-radius:6px;min-height:44px;background:white;color:var(--ink)}
.reader-body button{font:inherit;font-size:16px;background:var(--teal);color:white;border:0;border-radius:6px;padding:12px 20px;min-height:44px;cursor:pointer}
.reader-body .error{color:#992e24;font-size:15px;margin:12px 0}
.reader-body .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.reader-body .stat{border:1px solid var(--line);padding:15px}
.reader-body .stat b{display:block;font-size:1.5rem;line-height:1.3}
.reader-body .stat span{font-size:13px;line-height:1.4;display:block}
.reader-body .chart{margin:24px 0}
.reader-body .scale{font-size:13px;color:var(--muted)}
.reader-body .chartrow{margin:18px 0}
.reader-body .chartlabel{display:flex;justify-content:space-between;font-size:15px;gap:16px;margin-bottom:6px}
.reader-body .track{width:100%;background:#edf1ee;height:30px;border:1px solid #d2dbd6}
.reader-body .bar{height:100%;background:var(--teal);border-right:3px solid var(--ink);min-width:0}
.reader-body .chartrow:nth-child(3) .bar{background:#ad6721}
.reader-body .split{height:38px;display:flex;border:1px solid var(--ink)}
.reader-body .split span{display:block;height:100%;min-width:0}
.reader-body .principal{background:var(--teal)}
.reader-body .profit{background:#dbad70}
.reader-body .legend{display:flex;flex-wrap:wrap;gap:12px 22px;font-size:14px;margin:12px 0}
.reader-body .legend span:before{content:"";display:inline-block;width:14px;height:14px;margin-right:7px;border:1px solid var(--ink);vertical-align:-2px;background:var(--teal)}
.reader-body .legend span:nth-child(2):before{background:#dbad70}
.reader-body .splitlabel{font-size:15px;margin:14px 0 7px}
.reader-body .tablewrap{overflow-x:auto}
.reader-body table{border-collapse:collapse;width:100%;font-size:15px}
.reader-body th,.reader-body td{text-align:left;vertical-align:top;padding:14px 12px;border-bottom:1px solid var(--line)}
.reader-body th{background:var(--wash)}
.reader-body .checklist{padding-left:26px}
.reader-body .checklist li{margin:12px 0}
.reader-body .refs li{margin:14px 0;font-size:14px}
.reader-body .refs p{margin:4px 0}
.reader-body .related{display:flex;gap:12px 24px;flex-wrap:wrap;font-size:16px}
.reader-body footer{padding:30px 0 50px;font-size:14px;color:var(--muted)}
.reader-body .formula{font-family:ui-monospace,monospace;overflow-wrap:anywhere;font-size:15px}
.reader-body .interactive{display:none}
.reader-body .js .interactive{display:block}
@media(max-width:720px){.reader-body{font-size:17px}
.reader-body .wrap{padding:0 20px}
.reader-body .top{padding:16px 20px}
.reader-body .flow,.reader-body .tiles,.reader-body .matrix,.reader-body .fields,.reader-body .stats,.reader-body .lanes{grid-template-columns:1fr}
.reader-body .flow li{padding:15px 18px}
.reader-body .flow li:before{display:inline-block;margin-right:12px}
.reader-body .flow li:not(:last-child):after{content:"↓";position:absolute;bottom:-23px;left:50%;z-index:1;font-size:20px;background:white}
.reader-body .flow{gap:20px}
.reader-body .tiles{gap:12px}
.reader-body figure{padding:20px 16px}
.reader-body header{padding-top:36px}
.reader-body h2{font-size:1.55rem}
.reader-body .chartlabel{flex-direction:column;gap:2px}
.reader-body .stats{grid-template-columns:1fr}
.reader-body .tablewrap{margin:0 -8px}
.reader-body th,.reader-body td{padding:12px 8px;min-width:130px}
.reader-body .meta{font-size:13px}
.reader-body .toc{gap:10px 18px}
.reader-body .note{padding:16px}
.reader-body .split{height:32px}
}
@media print{.reader-body .top,.reader-body .toc,.reader-body .interactive,.reader-body .skip{display:none}
.reader-body{font-size:11pt;background:white}
.reader-body figure,.reader-body .note{break-inside:avoid}
.reader-body .wrap{max-width:none}
.reader-body a{color:inherit}
.reader-body header{padding-top:0}
}