/* W608: page-scoped presentation; shared shell remains native. */
#st334Content:has(#stMuscle608){width:calc(100% - 40px)!important;max-width:1120px!important;padding:0!important;margin:24px auto 30px!important}
#stMuscle608{--ink:#08265f;--muted:#526783;--line:#cfdef2;--blue:#0665ff;--bg:#fff;--soft:#f4f7fc;--input:#fff;--hero:#dcffe8;--hero-ink:#073b2b;--hero-line:#a0e5b6;--amber:#fff5e5;--amber-ink:#934500;--amber-line:#f4c085;color:var(--ink);font:14px/1.5 Arial,Helvetica,sans-serif;color-scheme:light;isolation:isolate}
#stMuscle608 *,#stMuscle608 *::before,#stMuscle608 *::after{box-sizing:border-box}
#stMuscle608 [hidden]{display:none!important}
#stMuscle608 :is(h1,h2,h3,p,figure){margin:0;padding:0;background:none;border:0;color:inherit}
#stMuscle608 h1{font:700 30px/1.2 Arial,sans-serif;letter-spacing:-.7px;margin-bottom:14px}
#stMuscle608 h2{font:700 20px/1.3 Arial,sans-serif;letter-spacing:-.4px;margin-bottom:10px}
#stMuscle608 h3{font:700 14px/1.4 Arial,sans-serif}
#stMuscle608 a{color:var(--blue);text-decoration:none}
#stMuscle608 a:hover{text-decoration:underline}
#stMuscle608 :is(button,input,textarea){font:inherit;color:var(--ink)}
#stMuscle608 button{cursor:pointer;text-transform:none;box-shadow:none;letter-spacing:normal}
#stMuscle608 button:disabled{opacity:.6;cursor:default}
#stMuscle608 :is(a,button,input,summary,textarea):focus-visible{outline:3px solid #75aaff;outline-offset:3px}
#stMuscle608 img{max-width:100%;display:block}
#stMuscle608 .w-crumb{display:flex;flex-wrap:wrap;gap:6px;color:var(--muted);font-size:12px;margin-bottom:12px}
#stMuscle608 .w-intro{background:linear-gradient(100deg,var(--soft),var(--bg));border:1px solid var(--line);border-radius:4px;padding:14px 18px;margin-bottom:16px}
#stMuscle608 .w-intro h2{font-size:17px;margin-bottom:3px}
#stMuscle608 .w-pair,#stMuscle608 .w-lower{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#stMuscle608 .w-panel{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:15px;min-width:0}
#stMuscle608 .w-input-panel{padding:0;display:flex;flex-direction:column}
#stMuscle608 .w-input-panel>h2{padding:0 18px;margin:18px 0 16px}
#stMuscle608 .w-input-panel>[data-st515-tools]{margin:20px 18px 0;--a479-text:var(--ink);--a479-muted:var(--muted);--st519-link:var(--blue)}
#stMuscle608 .w-input-panel form{padding:0 18px 18px;display:flex;flex-direction:column;flex:1;gap:12px}
#stMuscle608 .w-field{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:3px 12px;align-items:center}
#stMuscle608 .w-field label{font-weight:400;color:var(--ink)}
#stMuscle608 .w-field small{grid-column:2;font-size:11px;color:var(--muted)}
#stMuscle608 .w-number{display:flex;gap:9px;align-items:center;min-width:0}
#stMuscle608 .w-number input{width:100%;min-width:0;border:1px solid var(--line);border-radius:4px;background:var(--input);height:36px;padding:5px 10px;font-size:16px;appearance:auto}
#stMuscle608 .w-number input::-webkit-inner-spin-button{opacity:1}
#stMuscle608 .w-number span{color:var(--muted);font-size:12px;flex:none}
#stMuscle608 .w-measure{border:1px solid var(--line);padding:12px;border-radius:4px;margin-top:4px}
#stMuscle608 .w-measure-visual{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:12px;margin:10px 0}
#stMuscle608 .w-person{height:330px;width:100%;object-fit:contain;object-position:center}
#stMuscle608 .w-reading{text-align:center}
#stMuscle608 .w-reading strong{font-size:21px;display:block;margin:2px 0 10px}
#stMuscle608 .w-device{position:relative;width:100%;max-width:200px;margin:auto}
#stMuscle608 .w-device img{width:100%;height:auto}
#stMuscle608 .w-device span{position:absolute;left:40%;top:19.3%;width:19%;font:400 clamp(12px,1.2vw,17px)/1.2 Arial,sans-serif;color:#273c32;text-align:center;background:#c9d0c6}
#stMuscle608 .w-note{font-size:12px;color:var(--muted);line-height:1.5}
#stMuscle608 .w-about{border:1px solid var(--line);border-radius:3px;background:var(--soft);margin-top:12px;font-size:12px}
#stMuscle608 .w-about summary{padding:9px 10px;cursor:pointer;font-weight:700}
#stMuscle608 .w-about p{padding:0 10px 10px;color:var(--muted)}
#stMuscle608 .w-reset{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
#stMuscle608 .w-reset small{font-size:11px;color:var(--muted)}
#stMuscle608 .w-reset button{background:none;border:0;color:var(--blue);padding:6px 0 6px 12px;font-size:12px}
#stMuscle608 .w-result-column{min-width:0;display:flex;flex-direction:column;gap:12px}
#stMuscle608 .w-result-stack{display:flex;flex-direction:column;gap:12px}
#stMuscle608 .w-hero{background:var(--hero);color:var(--hero-ink);border:1px solid var(--hero-line);border-radius:4px;padding:16px;text-align:center}
#stMuscle608 .w-hero>span{font-size:11px;font-weight:700;display:block}
#stMuscle608 .w-hero strong{display:block;font-size:46px;line-height:1.2;letter-spacing:-1px;margin:6px 0}
#stMuscle608 .w-hero p{font-size:14px}
#stMuscle608 .w-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
#stMuscle608 .w-metrics>div{border:1px solid var(--line);border-radius:3px;padding:9px;text-align:center}
#stMuscle608 .w-metrics strong{font-size:20px;display:block}
#stMuscle608 .w-metrics small{font-size:12px;color:var(--muted)}
#stMuscle608 .w-chart-row h3{font-size:13px;margin:10px 0 0}
#stMuscle608 .w-chart-row svg{display:block;width:100%;height:auto;color:var(--muted);font:12px Arial,sans-serif;overflow:visible}
#stMuscle608 .w-chart-row:first-child h3{margin-top:2px}
#stMuscle608 .w-steps summary{list-style:none;font:600 13px/1.5 Arial,sans-serif;cursor:pointer;display:flex;align-items:center;gap:10px}
#stMuscle608 .w-steps summary::-webkit-details-marker{display:none}
#stMuscle608 .w-steps summary::before{content:'+';font:700 23px/18px Arial;color:#10b5ba;width:18px;flex:none;text-align:center}
#stMuscle608 .w-steps[open] summary::before{content:'−'}
#stMuscle608 .w-steps h3{font:600 13px/1.5 Arial,sans-serif;margin:12px 0 4px}
#stMuscle608 .w-equation{font:400 16px/1.65 Cambria,'Times New Roman',serif;overflow-wrap:anywhere;letter-spacing:normal}
#stMuscle608 .w-steps .w-equation{padding-left:28px}
#stMuscle608 .w-steps h3{padding-left:12px}
#stMuscle608 .w-warning{padding:12px 15px;background:var(--amber);color:var(--amber-ink);border:1px solid var(--amber-line);border-radius:4px;margin-top:auto}
#stMuscle608 .w-warning h2{font-size:16px;margin-bottom:4px}
#stMuscle608 .w-warning p{font-size:12px}
#stMuscle608 .w-understanding{margin-top:12px}
#stMuscle608 .w-explain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
#stMuscle608 .w-explain-grid>div{display:flex;gap:12px;align-items:center;min-width:0}
#stMuscle608 .w-explain-grid>div+div{border-left:1px solid var(--line);padding-left:14px}
#stMuscle608 .w-explain-grid img{width:90px;height:100px;object-fit:contain;flex:none}
#stMuscle608 .w-explain-grid .w-consult{object-fit:cover;border-radius:3px}
#stMuscle608 .w-explain-grid p{font-size:12px;color:var(--muted);margin-top:4px}
#stMuscle608 .w-exports{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 7px}
#stMuscle608 .w-exports button{border:1px solid #9bbfff;border-radius:4px;background:var(--bg);padding:14px 8px;font-weight:700;font-size:14px}
#stMuscle608 .w-exports button:hover{background:var(--soft)}
#stMuscle608 #w608Status:empty{display:none}
#stMuscle608 #w608Status{margin:6px 0}
#stMuscle608 textarea{width:100%;height:190px;background:var(--input);border:1px solid var(--line);border-radius:4px;padding:12px;margin-bottom:12px}
#stMuscle608 .w-lower{margin-top:12px}
#stMuscle608 .w-assumptions p{font-size:13px;margin-bottom:10px}
#stMuscle608 .w-assumptions .w-equation{font-size:16px;margin-bottom:0}
#stMuscle608 .w-example{padding:12px;background:var(--soft);border-radius:3px;margin:10px 0}
#stMuscle608 .w-example h3{font-size:13px;margin-bottom:3px}
#stMuscle608 .w-faq{padding:10px 3px;min-width:0}
#stMuscle608 .w-faq-item{border:0;border-bottom:1px solid var(--line);padding:0;margin:0}
#stMuscle608 .w-faq-item>summary{padding:12px 0;display:flex;gap:10px;align-items:center;list-style:none;cursor:pointer;font-weight:700;font-size:14px}
#stMuscle608 .w-faq-item>summary::-webkit-details-marker{display:none}
#stMuscle608 .w-faq-item>summary::before{content:'+';font:700 25px/1 Arial;color:#10b5ba;flex:none;width:19px}
#stMuscle608 .w-faq-item[open]>summary::before{content:'−'}
#stMuscle608 .w-faq-item p{padding:0 0 14px 29px;font-size:13px;color:var(--muted)}
#stMuscle608 .w-more{font-size:13px;padding-top:10px}
#stMuscle608 .w-more>summary{cursor:pointer;color:var(--blue);font-weight:700}
#stMuscle608 .w-sources{margin-top:18px}
#stMuscle608 .w-sources h2{font-size:18px}
#stMuscle608 .w-source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:7px}
#stMuscle608 .w-source-grid>a{display:flex;gap:15px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:12px;color:var(--ink);min-width:0}
#stMuscle608 .w-source-name{display:flex;align-items:center;justify-content:center;flex:0 0 120px;height:52px;border-right:1px solid var(--line);font-size:25px;font-weight:700;padding-right:15px}
#stMuscle608 .w-source-name svg{max-width:100%}
#stMuscle608 .w-source-grid b{display:block;font-size:13px}
#stMuscle608 .w-source-grid small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
#stMuscle608 .w-related{margin-top:30px}
#stMuscle608 .w-related-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}
#stMuscle608 .w-related-head h2{margin-bottom:0}
#stMuscle608 .w-related-head a{font-size:12px}
#stMuscle608 .w-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
#stMuscle608 .w-related-grid>a{border:1px solid var(--line);border-radius:4px;background:var(--bg);padding:14px;display:flex;gap:12px;align-items:center;color:var(--ink);min-width:0}
#stMuscle608 .w-related-grid img{height:100px;width:95px;object-fit:contain;flex:none}
#stMuscle608 .w-related-grid b{display:block;font-size:14px;line-height:1.4}
#stMuscle608 .w-related-grid small{display:block;font-size:12px;color:var(--muted);margin-top:5px}
#stMuscle608 .w-page-info{border-top:1px solid var(--line);padding-top:14px;margin-top:22px;color:var(--muted);font-size:12px}
#stMuscle608 .w-page-info h2{font-size:13px;margin-bottom:4px}
#stMuscle608 .w-error{border:1px solid #e6a9ad;background:#fff1f2;color:#912c36;padding:10px;border-radius:4px;font-size:13px}
#stMuscle608 .w-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
html:is(.st-master-dark,.st-home-dark,.dark,[data-theme=dark],[data-st-admin-theme=dark]) #stMuscle608,body:is(.dark,[data-theme=dark]) #stMuscle608{--ink:#e1ecff;--muted:#afc0dc;--line:#334965;--blue:#80b4ff;--bg:#111e30;--soft:#192a41;--input:#0e1929;--hero:#133b2d;--hero-ink:#adf2ca;--hero-line:#32664e;--amber:#362a1a;--amber-ink:#ffdcad;--amber-line:#80603c;color-scheme:dark}
html:is(.st-master-dark,.st-home-dark,.dark,[data-theme=dark]) #stMuscle608 .w-error{background:#431e28;color:#ffd1da;border-color:#885063}
html:is(.st-master-dark,.st-home-dark,.dark,[data-theme=dark]) #stMuscle608 img[src$="caliper.webp"]{filter:drop-shadow(0 0 1px #dce8ff99)}
@media(max-width:1000px){#stMuscle608 .w-explain-grid img{width:65px;height:85px}#stMuscle608 .w-related-grid>a{flex-direction:column;text-align:center}#stMuscle608 .w-person{height:310px}#stMuscle608 .w-source-name{flex-basis:95px;font-size:21px}#stMuscle608 .w-explain-grid>div{gap:7px}}
@media(max-width:760px){#stMuscle608 .w-pair,#stMuscle608 .w-lower{grid-template-columns:1fr}#stMuscle608 .w-person{height:340px}#stMuscle608 .w-device span{font-size:17px}#stMuscle608 .w-warning{margin-top:0}#stMuscle608 .w-source-grid{grid-template-columns:1fr}#stMuscle608 .w-explain-grid{grid-template-columns:1fr}#stMuscle608 .w-explain-grid>div+div{border-left:0;border-top:1px solid var(--line);padding:12px 0 0}#stMuscle608 .w-explain-grid img{width:100px;height:90px}}
@media(max-width:600px){#st334Content:has(#stMuscle608){width:calc(100% - 28px)!important;margin-top:18px!important}#stMuscle608 h1{font-size:25px}#stMuscle608 h2{font-size:19px}#stMuscle608 .w-panel{padding:13px}#stMuscle608 .w-input-panel{padding:0}#stMuscle608 .w-input-panel>h2{padding:0 15px}#stMuscle608 .w-input-panel form{padding:0 15px 15px}#stMuscle608 .w-input-panel>[data-st515-tools]{margin:20px 15px 0}#stMuscle608 .w-field{grid-template-columns:1fr 1fr}#stMuscle608 .w-number{gap:5px}#stMuscle608 .w-number input{padding-left:7px}#stMuscle608 .w-person{height:280px}#stMuscle608 .w-measure{padding:9px}#stMuscle608 .w-measure-visual{gap:6px}#stMuscle608 .w-reading h3{font-size:12px}#stMuscle608 .w-reading strong{font-size:18px}#stMuscle608 .w-device span{font-size:13px}#stMuscle608 .w-hero strong{font-size:42px}#stMuscle608 .w-equation,#stMuscle608 .w-assumptions .w-equation{font-size:15px}#stMuscle608 .w-steps .w-equation{padding-left:12px}#stMuscle608 .w-exports{gap:8px}#stMuscle608 .w-exports button{font-size:12px;padding:13px 6px}#stMuscle608 .w-related-head{display:block}#stMuscle608 .w-related-head a{display:inline-block;margin-top:6px}#stMuscle608 .w-related-grid{grid-template-columns:1fr}#stMuscle608 .w-related-grid>a{flex-direction:row;text-align:left}#stMuscle608 .w-related-grid img{height:90px;width:90px}#stMuscle608 .w-source-grid>a{padding:10px;gap:10px}#stMuscle608 .w-source-name{flex-basis:90px;padding-right:10px}#stMuscle608 .w-intro h2{font-size:16px}#stMuscle608 .w-intro p{font-size:13px}}

#stMuscle608 .w-lower{align-items:start}
/* W608: the approved muscle-mass layout. */
#stMuscle608 .m-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:14px}
#stMuscle608 .m-modes button{position:relative;display:flex;align-items:center;gap:18px;border:1px solid var(--line);border-radius:4px;background:var(--bg);padding:14px 20px;text-align:left;min-width:0}
#stMuscle608 .m-modes button[aria-pressed=true]{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}
#stMuscle608 .m-modes button[aria-pressed=true]::after{content:'✓';position:absolute;right:9px;top:7px;color:var(--blue);font-weight:700;font-size:17px}
#stMuscle608 .m-mode-photo{width:145px;height:108px;display:flex;align-items:center;justify-content:center;flex:none;overflow:hidden}
#stMuscle608 .m-mode-photo img{width:100%;height:100%;object-fit:contain}
#stMuscle608 .m-modes b{display:block;font-size:17px;line-height:1.3}
#stMuscle608 .m-modes small{display:block;font-size:12px;color:var(--muted);margin-top:6px}
#stMuscle608 .m-units{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
#stMuscle608 .m-units button{width:50%;border:0;border-radius:0;color:var(--blue);background:var(--bg);padding:7px 5px;font-size:12px}
#stMuscle608 .m-units button[aria-pressed=true]{background:#0665ff;color:#fff}
#stMuscle608 .m-lee-fields{display:flex;flex-direction:column;gap:12px}
#stMuscle608 select{min-width:0;width:100%;height:38px;background:var(--input);color:var(--ink);border:1px solid var(--line);border-radius:4px;font:12px Arial,sans-serif;padding:5px;appearance:auto}
#stMuscle608 .m-research-note{font-size:12px;color:var(--muted);border-left:3px solid #20aeb7;padding-left:10px}
#stMuscle608 .w-person{height:350px}
#stMuscle608 .m-report-photo{display:flex;align-items:center;justify-content:center;position:relative;height:165px;margin-top:14px}
#stMuscle608 .m-report-photo img{width:64%;height:100%;object-fit:contain;position:relative;z-index:1}
#stMuscle608 .m-report-photo img+img{width:56%;margin-left:-20%;z-index:0}
#stMuscle608 .w-reset{padding-top:18px}
#stMuscle608 .m-rounding{font-size:11px;text-align:center;margin-top:7px}
#stMuscle608 .m-chart svg{width:100%;height:auto;display:block;color:var(--muted);font:12px Arial,sans-serif}
#stMuscle608 .m-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:5px 0 12px}
#stMuscle608 .m-legend span{display:flex;align-items:baseline;gap:6px;font-size:12px}
#stMuscle608 .m-legend b{font-weight:400}
#stMuscle608 .m-legend i{height:11px;width:11px;flex:none;background:#19b6ba;border-radius:50%}
#stMuscle608 .m-legend span+span i{background:#b9d9ff}
#stMuscle608 .m-model-info{padding:0 10px 10px}
#stMuscle608 .m-model-info p{padding:0;margin-top:8px}
#stMuscle608 .m-model-info .w-equation{font-size:15px}
#stMuscle608 .w-source-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
#stMuscle608 .w-source-grid>a{gap:10px;padding:10px}
#stMuscle608 .w-source-name{flex-basis:95px;font-size:22px;padding-right:10px}
#stMuscle608 .w-source-name.m-consensus{font-size:15px}
#stMuscle608 .w-steps .w-equation{padding-left:16px}
#stMuscle608 .w-explain-grid img{height:100px;width:90px}
@media(max-width:1000px){#stMuscle608 .m-mode-photo{width:100px;height:100px}#stMuscle608 .m-modes button{gap:12px;padding:12px}#stMuscle608 .m-modes b{font-size:16px}#stMuscle608 .w-source-grid{grid-template-columns:1fr}#stMuscle608 .w-source-name{flex-basis:115px}#stMuscle608 .w-person{height:300px}#stMuscle608 .m-report-photo{height:120px}#stMuscle608 .w-explain-grid img{width:65px;height:85px}}
@media(max-width:760px){#stMuscle608 .w-person{height:340px}#stMuscle608 .w-explain-grid img{width:90px;height:90px}#stMuscle608 .m-report-photo{height:160px}}
@media(max-width:600px){#stMuscle608 .m-modes{gap:8px}#stMuscle608 .m-modes button{flex-direction:column;text-align:center;gap:6px;padding:10px 8px}#stMuscle608 .m-mode-photo{height:80px;width:100%}#stMuscle608 .m-modes b{font-size:14px}#stMuscle608 .m-modes small{font-size:11px;line-height:1.4}#stMuscle608 .w-person{height:280px}#stMuscle608 .m-report-photo{height:125px}#stMuscle608 .w-source-name{flex-basis:95px}#stMuscle608 .w-source-name.m-consensus{font-size:14px}#stMuscle608 .w-steps .w-equation{padding-left:8px}#stMuscle608 .m-legend{grid-template-columns:1fr}}
#stMuscle608 .m-mode-photo img[src$="female.webp"]{height:245px;width:163px;max-width:none;object-fit:contain;align-self:flex-start}
#stMuscle608 .w-related-grid img[src$="male.webp"],#stMuscle608 .w-explain-grid img[src$="male.webp"]{object-fit:cover;object-position:50% 0}
#stMuscle608 select:focus-visible{outline:3px solid #75aaff;outline-offset:3px}
@media(max-width:1000px){#stMuscle608 .m-mode-photo img[src$="female.webp"]{height:225px;width:150px}}
@media(max-width:600px){#stMuscle608 .m-mode-photo img[src$="female.webp"]{height:190px;width:127px}}