.skinfold-page{max-width:1250px}.skinfold-page>h1{margin-bottom:10px}.skinfold-page>.intro{margin-bottom:24px}.skinfold-calculator-card{max-width:1120px;background:#fff;border:1px solid var(--border)}.step-progress{display:none;padding:8px 16px;border-bottom:1px solid var(--border);color:var(--muted);font-size:13px;font-weight:800}.skinfold-calculator-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:stretch}.skinfold-inputs{padding:24px}.wizard-step h2{margin:0 0 16px;font-size:22px}.skinfold-page fieldset{min-width:0;border:0;padding:0;margin:0}.skinfold-page legend{margin-bottom:6px;font-size:15px;font-weight:800}.setup-options,.setup-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.setup-options{margin-bottom:16px}.segmented-control{display:grid;grid-template-columns:1fr 1fr}.segmented-control label{position:relative;margin:0;cursor:pointer}.segmented-control input{position:absolute;width:1px;height:1px;min-height:0;opacity:0}.segmented-control span{display:grid;place-items:center;min-height:44px;padding:7px 10px;border:1px solid #8f97a4;background:#fff;font-size:15px;font-weight:700}.segmented-control label+label span{border-left:0}.segmented-control input:checked+span{background:var(--navy);color:#fff}.segmented-control input:focus-visible+span{outline:3px solid #8e5ed0;outline-offset:2px;position:relative;z-index:1}.setup-fields .field{margin-bottom:12px}.unit-input{display:grid;grid-template-columns:minmax(0,1fr) 82px;gap:8px}.input-suffix{display:grid;grid-template-columns:minmax(0,1fr) 40px}.input-suffix input{border-radius:3px 0 0 3px}.input-suffix span{display:grid;place-items:center;border:1px solid #8f97a4;border-left:0;background:var(--soft);font-size:14px;font-weight:700}.field-error{display:block;margin-top:4px;color:#9a271f;font-size:12px;font-weight:700}.field-error[hidden],.skinfold-page [hidden]{display:none!important}.step-heading-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.step-heading-row a{font-size:14px;font-weight:700}.skinfold-sites{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.skinfold-sites .field{margin:0}.skinfold-sites label{margin-bottom:4px;font-size:14px}.form-error{margin:10px 0}.mobile-step-action{display:none}.step-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.step-actions button,.target-toggle,.target-row button{min-height:44px;padding:0 16px;border:1px solid var(--navy);border-radius:3px;background:var(--navy);color:#fff;font:inherit;font-weight:800;cursor:pointer}.step-actions .secondary-action,.target-toggle{background:#fff;color:var(--navy)}.skinfold-result{min-width:0;padding:24px 28px;border-left:1px solid var(--border);background:#fafbfc;outline:none}.result-empty{display:grid;align-content:center;min-height:100%;color:var(--muted)}.result-empty h2{color:var(--text);margin-bottom:8px}.result-empty p{max-width:350px;line-height:1.5}.skinfold-result .result{margin:8px 0 18px;font-size:clamp(54px,6vw,76px)}.compact-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border)}.compact-results>div,.goal-results>div{min-width:0;padding:11px;background:#fff}.compact-results span,.goal-results span{display:block;margin-bottom:4px;color:var(--muted);font-size:12px}.compact-results strong,.goal-results strong{overflow-wrap:anywhere}.target-toggle{width:100%;margin-top:14px}.target-panel{margin-top:10px;padding:12px;background:#fff;border:1px solid var(--border)}.target-panel>label{font-size:14px}.target-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.goal-results{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:10px;background:var(--border);border:1px solid var(--border)}.goal-results p{grid-column:1/-1;margin:0;padding:8px;background:#fff;font-size:12px;color:var(--muted)}.calculation-details{margin-top:12px}.calculation-details summary{min-height:44px;padding:12px 0;font-weight:700;cursor:pointer}.calculation-details div{display:flex;justify-content:space-between;gap:16px}.calculation-details p{font-size:13px}.result-disclaimer{margin:12px 0 0;font-size:13px;line-height:1.45;color:var(--muted)}.result-actions{justify-content:stretch}.result-actions button{flex:1}.method-table{min-width:720px}.guide-callout{max-width:900px;margin:18px 0 30px;border-left:4px solid var(--navy);padding:16px 18px;background:#fff;font-size:18px;font-weight:700}.site-guide{display:grid;gap:14px;max-width:960px}.site-guide article{padding:20px;background:#fff;border:1px solid var(--border)}.site-guide h3{margin:0 0 8px}.site-guide p{margin:6px 0}.source-list li{margin-bottom:12px}.guide-page{max-width:1100px}.guide-page .prose{max-width:900px}
@media(min-width:641px){.setup-step,.measurements-step{display:block!important}.setup-step{padding-bottom:20px;border-bottom:1px solid var(--border)}.measurements-step{padding-top:20px}.measurements-step .step-actions .secondary-action{display:none}.measurements-step .step-actions button[type=submit]{min-width:180px}}
@media(max-width:640px){.skinfold-page{padding-top:8px}.skinfold-page>h1{font-size:27px;margin-bottom:3px}.skinfold-page>.intro{margin:0 0 8px;font-size:15px;line-height:1.25;-webkit-line-clamp:1}.skinfold-calculator-card{min-height:0;max-height:calc(100vh - 130px);max-height:calc(100svh - 130px)}.step-progress{display:block}.skinfold-calculator-layout{display:block}.skinfold-inputs{padding:12px}.wizard-step h2{margin-bottom:10px;font-size:19px}.setup-options{gap:8px;margin-bottom:10px}.setup-fields{gap:8px}.setup-fields .field{margin-bottom:6px}.setup-fields label{margin-bottom:3px;font-size:14px}.setup-fields .hint{font-size:11px}.unit-input{grid-template-columns:minmax(0,1fr) 68px;gap:5px}.mobile-step-action{display:block;width:100%;min-height:44px;border:0;border-radius:3px;background:var(--navy);color:#fff;font:inherit;font-weight:800}.skinfold-sites{grid-template-columns:1fr;gap:7px}.skinfold-sites.seven-sites{grid-template-columns:1fr 1fr}.skinfold-sites label{font-size:13px}.skinfold-sites input{min-height:44px;padding:7px 9px}.step-heading-row h2{margin-bottom:8px}.step-heading-row a{font-size:13px}.step-actions{margin-top:10px}.step-actions button{flex:1;padding:0 10px}.skinfold-result{padding:12px;border:0;background:#fafbfc}.skinfold-result .result{margin:4px 0 12px;font-size:48px}.compact-results>div{padding:8px}.compact-results strong{font-size:14px}.target-toggle{margin-top:10px}.target-panel{padding:8px}.calculation-details{margin-top:6px}.calculation-details summary{padding:8px 0}.result-disclaimer{margin-top:7px}.result-actions{margin-top:8px}.form-error{padding:8px 10px;margin:6px 0;font-size:12px}}
@media(max-width:350px){.skinfold-page>.intro{font-size:14px}.skinfold-calculator-card{max-height:none}.setup-options{grid-template-columns:1fr 1fr}.segmented-control span{padding:5px;font-size:14px}.skinfold-sites.seven-sites{gap:5px 7px}.compact-results{grid-template-columns:1fr 1fr}.compact-results>div:last-child{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){.skinfold-page *{scroll-behavior:auto!important}}