:root{--ink:#173b38;--text:#304b48;--muted:#6a7e79;--green:#1b6259;--line:#dce5e1;--paper:#f6f8f5;--tint:#edf4ef;--amber:#865c24;--danger:#a44032;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:15px;line-height:1.55}a{color:var(--green);text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8fb6a8;outline-offset:4px}input:focus,select:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px #1b625916}input[aria-invalid=true],select[aria-invalid=true]{border-color:var(--danger)}[hidden]{display:none!important}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-inner{max-width:1184px;margin:auto;padding:21px 32px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);font-size:20px;font-weight:700;text-decoration:none;letter-spacing:-.5px}.brand-icon{display:grid;place-items:center;background:var(--ink);color:#fff;width:40px;height:40px;border-radius:11px}.brand-icon svg{width:29px;height:29px}.brand-light{font-size:17px;font-weight:400;color:var(--muted)}.about-link{font-size:13px;text-decoration:none}.about-link span{margin-left:12px}main{max-width:1184px;margin:auto;padding:0 32px}.intro{padding:49px 0 35px;display:flex;align-items:center;justify-content:space-between;gap:30px}.eyebrow,.section-index{font-size:10px;letter-spacing:1.65px;font-weight:700;color:var(--muted)}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--ink);font-size:49px;line-height:1.17;letter-spacing:-1.7px;margin:15px 0 18px}h1 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#aa976e;border-radius:50%;width:16px;height:16px;display:grid;place-items:center;margin-top:2px}.workspace{display:grid;grid-template-columns:1.04fr 1fr;gap:24px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:28px;box-shadow:0 5px 20px #163b3803}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.panel h2{font-size:20px;letter-spacing:-.5px;color:var(--ink);line-height:1.4;margin:7px 0 0}.text-button{border:0;background:none;color:var(--green);padding:8px 0;font-size:12px;white-space:nowrap}.text-button span{margin-left:5px}.form-context{font-size:12px;color:var(--muted);margin:15px 0 25px;line-height:1.65}.demo-note{font-size:12px;background:#edf3f9;color:#405e79;border-radius:6px;padding:11px;margin-bottom:20px}.field{margin:0 0 23px}.field label,.field 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stroke-width='1.3'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:32px}.field>select{margin-top:8px;font-size:13px}.field-help{font-size:11px;line-height:1.6;color:var(--muted);margin:7px 0 0}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-grid .field{margin-bottom:10px}.bmi-helper{margin:0 0 23px;border-bottom:1px solid var(--line);padding-bottom:18px}.bmi-helper summary{list-style:none;cursor:pointer;font-size:11px;color:var(--green);display:flex;justify-content:space-between}.bmi-helper summary::-webkit-details-marker{display:none}.bmi-helper summary span{font-size:17px;line-height:1}.bmi-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.bmi-grid label{font-size:11px}.bmi-grid input{margin-top:5px}.bmi-grid button{grid-column:1/-1}.prior-field{border:0;padding:0;min-width:0}.prior-field legend{padding:0;margin-bottom:10px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:10px}.segmented label{position:relative;cursor:pointer}.segmented input{position:absolute;opacity:0;width:1px;height:1px}.segmented span{display:block;border:1px solid #d7e1dc;border-radius:7px;text-align:center;padding:12px;font-size:13px;font-weight:400}.segmented input:checked+span{background:#edf5ef;border-color:#5a8c7b;color:#1d5c4b;font-weight:600}.segmented input:focus-visible+span{outline:3px solid #8fb6a8;outline-offset:2px}.form-actions{display:flex;align-items:center;gap:18px;border-top:1px solid var(--line);padding-top:23px;margin-top:27px}.primary-button{background:var(--green);color:#fff;border:1px solid var(--green);border-radius:7px;padding:13px 20px;font-weight:600;font-size:14px;flex:1;min-height:49px}.primary-button:hover:enabled{background:#154f48}.reset-button{font-size:12px;color:var(--muted);border:0;background:none;padding:12px 0}.period-badge{border:1px solid var(--line);padding:5px 8px;border-radius:5px;font-size:10px;white-space:nowrap;color:var(--muted)}.result-panel{position:sticky;top:22px}.result-status{font-size:12px;color:var(--muted);margin:17px 0 23px;min-height:19px}.outcome-card{background:var(--tint);padding:21px;border:1px solid #e0e9e1;border-radius:10px;margin-bottom:15px}.outcome-top{display:flex;align-items:center;gap:10px}.outcome-number{font-size:10px;color:#648275;border:1px solid #cdded2;border-radius:4px;padding:3px 5px;line-height:1.2}h3{font-size:16px;letter-spacing:-.2px;color:var(--ink);margin:0;line-height:1.4}.outcome-card>p{font-size:11px;color:var(--muted);margin:7px 0 12px}.estimate{display:flex;align-items:baseline;gap:5px;line-height:1.2;margin:11px 0 16px;color:var(--green)}.estimate>span:first-child{font-family:Georgia,'Times New 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summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 0;font-size:13px;color:var(--text)}.methodology summary::-webkit-details-marker{display:none}.methodology summary span{font-size:18px;color:var(--muted)}details[open]>summary>span{transform:rotate(45deg)}.detail-body{max-width:850px;font-size:13px;color:var(--muted);line-height:1.8;padding:0 0 20px}.detail-body p{margin:0 0 12px}.detail-body p:last-child{margin-bottom:0}footer{max-width:1184px;margin:auto;padding:24px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:10px}footer>span:first-child{font-size:12px;color:var(--ink);font-weight:600}footer a{text-decoration:none}@media(max-width:1000px){.panel{padding:22px}.panel-heading{align-items:flex-start;flex-wrap:wrap}.panel h2{font-size:19px}.estimate-caption{font-size:9px}.intro-aside{min-width:230px}h1{font-size:44px}}@media(max-width:760px){.header-inner{padding:17px 20px}.brand{font-size:18px}.brand-light{font-size:14px}.brand-icon{width:34px;height:34px}.brand-icon svg{width:25px;height:25px}.about-link{font-size:11px}.about-link span{margin-left:4px}main{padding:0 18px}.intro{padding:31px 0 24px;display:block}.eyebrow{font-size:9px;letter-spacing:1.4px}h1{font-size:39px;letter-spacing:-1.2px;margin:13px 0 15px}.intro-copy{font-size:13px}.intro-aside{padding-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.intro-aside>p{display:none}.local-badge{font-size:10px}.research-badge{font-size:10px;padding:5px 8px}.research-note{font-size:11px;padding:12px;margin-bottom:19px}.workspace{grid-template-columns:1fr;gap:20px}.panel{border-radius:12px;padding:21px 19px}.panel-heading{flex-wrap:nowrap}.panel h2{font-size:18px}.text-button{font-size:10px}.form-context{font-size:11px}.result-panel{position:static}.result-panel .panel-heading{align-items:center}.result-panel .panel h2{font-size:17px}.outcome-card{padding:18px}.estimate-caption{font-size:10px}.estimate>span:first-child{font-size:54px}.methodology{margin:35px 0 28px}.method-heading h2{font-size:25px;line-height:1.3}.methodology summary{font-size:12px;padding:17px 0}.detail-body{font-size:12px}.field-grid{gap:12px}footer{padding:22px 18px;flex-wrap:wrap}footer>span:nth-child(2){display:none}.input-wrap input{font-size:16px}.field>select{font-size:14px}.field-help{font-size:11px}#results{scroll-margin-top:14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body{background:#fff;font-size:11px}.site-header,.intro,.input-panel,.methodology,footer,.result-actions,#copy-status{display:none!important}main{padding:0;max-width:none}.research-note{margin:0 0 12px}.workspace{display:block}.result-panel{position:static;box-shadow:none;border:0;padding:0}.outcome-card{break-inside:avoid;background:#f5f5f5}.probability-track{display:none}.estimate>span:first-child{font-size:40px}.result-status{margin:10px 0}.interpretation{margin-top:12px}}
/* v1.1: measurements, ratio slider and explicit outcome headings */
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