:root{--ink:#11232b;--muted:#52656a;--paper:#f5f4ef;--line:#d9dfd9;--teal:#08766d;--lime:#d7ed7a}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal);text-underline-offset:4px}a:hover{color:#034b45}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #c28927;outline-offset:4px}.skip{position:absolute;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:0}header{max-width:1360px;margin:auto;padding:25px 48px;display:flex;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);align-items:center}.brand{font-size:17px;letter-spacing:.05em;font-weight:850;color:var(--ink);text-decoration:none}.brand span{font-size:10px;display:block;color:var(--muted);letter-spacing:.18em}nav{display:flex;gap:28px;font-size:14px}nav 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h1{font-size:clamp(33px,4vw,54px);max-width:900px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px;align-items:start}.input-panel{padding:28px;background:#fff;border:1px solid var(--line);border-radius:6px}.input-panel h2{margin:0}.muted{font-size:12px;color:var(--muted)}form{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:25px}form label{font-size:12px;font-weight:650;display:flex;flex-direction:column;justify-content:space-between;gap:7px}.actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;margin-top:7px}button{border:0;border-radius:4px;background:var(--teal);color:white;padding:12px 20px;cursor:pointer;font-size:13px;font-weight:650}button:hover{filter:brightness(.93)}button.secondary{background:#edf1ec;color:var(--ink)}.result-panel{padding:30px;background:var(--ink);color:white;border-radius:6px}.result-panel .eyebrow{color:var(--lime);margin-top:0}.metric{padding:13px 0;border-bottom:1px solid #ffffff25;display:flex;gap:15px;justify-content:space-between;align-items:baseline}.metric span{font-size:12px;color:#c5d5d2;max-width:62%}.metric strong{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:21px;font-weight:500;overflow-wrap:anywhere;text-align:right}.metric.primary{display:block;padding:12px 0 22px}.metric.primary span{display:block;max-width:none}.metric.primary strong{display:block;text-align:left;font-size:clamp(30px,3.4vw,48px);color:var(--lime);margin-top:8px;line-height:1.2}.result-note{font-size:11px;color:#aec3be;margin-bottom:0}.notice{font-size:13px;color:#e2eeb8;border-left:2px solid var(--lime);padding-left:12px}.error{padding:18px;background:#68362c;border-radius:4px;color:#fff}#chart h3{font-size:12px;margin:24px 0 12px}.bar-row{margin:10px 0}.bar-row span{font-size:11px;color:#c5d5d2}.track{height:5px;background:#31444b;margin-top:5px}.track i{display:block;height:100%;background:var(--lime)}.copy{margin-top:22px;border:1px solid #5e7974;background:transparent;padding:8px 12px;color:#d6e8e2}#copy-status{font-size:12px}.explanation{display:grid;grid-template-columns:1.2fr 1fr;gap:55px;margin-bottom:50px}.explanation p{font-size:15px;color:var(--muted)}.explanation h2{font-size:22px}.explanation h3{font-size:14px;margin-top:25px}.explanation aside{border-left:1px solid var(--line);padding-left:30px}.formula{background:#e7ede3;padding:20px;border-radius:4px;color:var(--ink)!important}.prose{max-width:800px;margin-bottom:60px}.prose p{color:var(--muted)}[hidden]{display:none!important}@media(max-width:900px){header{padding:20px 28px}.hero{gap:30px;grid-template-columns:1fr 210px}.hero-note{padding:25px}.grid{grid-template-columns:repeat(2,1fr)}.workspace{gap:16px}.input-panel,.result-panel{padding:22px}form{grid-template-columns:1fr}.explanation{gap:24px}}@media(max-width:600px){header{padding:17px 20px;align-items:flex-start;flex-direction:column;gap:16px}nav{gap:23px;font-size:13px}main{padding:0 20px}.hero{display:block;padding:38px 0}.hero-note{display:none}.lead{font-size:16px}.section-heading{align-items:stretch;flex-direction:column;gap:12px}.search{width:100%}.grid{grid-template-columns:1fr}.card{padding:22px}.workspace{grid-template-columns:1fr}.tool-intro{padding-bottom:20px}.explanation{grid-template-columns:1fr}.explanation aside{padding-left:0;border-left:0;border-top:1px solid var(--line)}.closing{padding:24px}footer{grid-template-columns:1fr;padding:30px 20px}footer>p{grid-column:auto}.directory{padding-bottom:35px}.metric.primary strong{font-size:38px}}

/* Expansion controls */
select,textarea{font:inherit;display:block;width:100%;min-width:0;padding:11px 12px;border:1px solid #b9c9c4;background:white;color:var(--ink);border-radius:4px}select:focus-visible,textarea:focus-visible{outline:3px solid #c28927;outline-offset:4px}textarea{resize:vertical;font-family:ui-monospace,monospace;font-size:14px}form label:has(textarea){grid-column:1/-1}.rate-note{padding:12px;border-left:3px solid var(--teal);background:#e7ede3;font-size:12px}.reading-list{list-style:none;padding:0}.reading-list li{padding:8px 0;border-bottom:1px solid var(--line)}

.result-actions{display:flex;gap:8px;flex-wrap:wrap}#copy-status{min-height:1.6em}.hero-note{transform:none}.hero{grid-template-columns:1fr 300px}.tag{text-transform:none;letter-spacing:0} @media(max-width:600px){.hero{display:block}} @media print{header,footer,.actions,.result-actions,.directory,.skip{display:none!important}body{background:white;color:black}.result-panel{background:white;color:black;border:1px solid #aaa}.metric strong,.metric.primary strong,.metric span,.notice{color:black}main{max-width:none;padding:0}.workspace{display:block}.input-panel,.result-panel{break-inside:avoid;margin-bottom:20px}.explanation{display:block}}