#st334Content:has(#mmrc455){width:86.5%;max-width:1120px;margin-inline:auto}#st334Content:has(#mmrc455)>h1{color:#09094b}#st334Content:has(#mmrc455) .st-master-intro{display:none}
#mmrc455{--ink:#09094b;--muted:#65769b;--line:#dbe5f1;--paper:#fff;--soft:#f5f8fc;--mint:#effcf7;--blue:#0673ff;--ref-shield-paper:#eff6ff;--ref-shield-inner:#fff;--ref-shield-layer:#dcecff;color:var(--ink);font:14px/1.45 Arial,Helvetica,sans-serif;max-width:100%;margin-top:0}#mmrc455 *{box-sizing:border-box}#mmrc455 h2,#mmrc455 h3,#mmrc455 p{margin:0}#mmrc455 h2{font-size:18px;line-height:1.3;color:var(--ink);font-weight:700}#mmrc455 h3{font-size:14px;margin:12px 0 8px;color:var(--ink)}#mmrc455 .intro{margin:0 0 12px;color:var(--muted);font-size:16px}#mmrc455 .st-reference-notice{display:flex;gap:18px;justify-content:space-between;align-items:center;background:linear-gradient(110deg,#f8fafc,#eff6ff);border:1px solid var(--line);border-radius:6px;padding:12px 15px;margin-bottom:8px}#mmrc455 .st-reference-copy{flex:1}#mmrc455 .st-reference-copy h2{font-size:17px;margin-bottom:4px}#mmrc455 .st-reference-copy p{color:var(--muted);font-size:12px;margin:2px 0}#mmrc455 a{color:var(--ink);text-decoration:none}#mmrc455 .st-reference-copy a{color:var(--blue)}#mmrc455 .st-reference-seal{display:grid;grid-template-columns:38px 1fr;gap:2px 10px;align-items:center;max-width:225px;flex-shrink:0;font-size:10px;color:#234ca3}#mmrc455 .st-reference-shield{grid-row:1/3;width:36px;height:44px;color:var(--blue)}#mmrc455 .st-reference-seal small{font-size:10px;color:var(--muted)}#mmrc455 .emergency{border:1px solid #f7dda5;border-radius:6px;background:#fff8e8;color:#784417;padding:7px 12px;font-size:12px;margin:8px 0 10px}#mmrc455 .info-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:12px}#mmrc455 .info-cards article{border:1px solid var(--line);border-radius:6px;padding:8px 14px 10px;overflow:hidden}#mmrc455 .photo{display:block;position:relative;min-width:0}#mmrc455 .photo>img{display:block;width:100%;height:100%;object-fit:contain;aspect-ratio:auto}#mmrc455 .info-cards .photo{height:118px;margin:0 0 6px}#mmrc455 .info-cards h2{font-size:16px}#mmrc455 .info-cards p{color:var(--muted);font-size:12px;margin-top:3px}#mmrc455 .studio-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:12px}#mmrc455 .panel{border:1px solid var(--line);border-radius:6px;padding:14px;background:var(--paper);min-width:0}#mmrc455 .input-panel{display:flex;flex-direction:column;gap:12px}#mmrc455 .panel-heading{display:flex;align-items:baseline;justify-content:space-between;gap:8px}#mmrc455 .panel-heading span{font-size:11px;color:var(--muted);text-align:right}#mmrc455 .field{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1fr);gap:12px;align-items:center}#mmrc455 .field strong{font-size:13px}#mmrc455 .field small{display:block;font-size:11px;color:var(--muted)}#mmrc455 .input-unit{display:flex;border:1px solid #cfdced;border-radius:5px;overflow:hidden;background:var(--paper)}#mmrc455 input,#mmrc455 select{font:inherit;color:var(--ink);background:var(--paper);width:100%;min-width:0;border:1px solid #cfdced;border-radius:5px;padding:9px}#mmrc455 .input-unit input{border:0;border-radius:0}#mmrc455 .input-unit>span{padding:8px 10px;background:var(--soft);border-left:1px solid var(--line);white-space:nowrap;font-size:12px;display:flex;align-items:center;color:var(--muted)}#mmrc455 .advanced{border:1px solid var(--line);border-radius:5px;padding:12px;flex:1}#mmrc455 summary{cursor:pointer;font-weight:650;color:var(--ink)}#mmrc455 .advanced summary{padding-bottom:12px;font-size:14px}#mmrc455 .advanced .field{margin-bottom:12px}#mmrc455 .hint{font-size:12px;line-height:1.5;color:var(--muted);margin-top:6px}#mmrc455 .assumption{display:inline-block;border-radius:4px;background:#eaf3ff;color:#315a95;padding:2px 7px;font-size:11px;margin-bottom:8px}#mmrc455 .form-actions,#mmrc455 .export-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}#mmrc455 button{font:inherit;font-size:14px;font-weight:600;border:1px solid var(--blue);border-radius:4px;padding:9px 8px;background:var(--paper);color:var(--blue);cursor:pointer;min-width:0;width:100%}#mmrc455 button.primary{background:var(--blue);color:white}#mmrc455 button:disabled{opacity:.5;cursor:default}#mmrc455 :focus-visible{outline:3px solid #66a9ff;outline-offset:3px}#mmrc455 .error{color:#a53824;font-size:12px}#mmrc455 [hidden]{display:none!important}#mmrc455 .right-column{display:grid;gap:12px;min-width:0}#mmrc455 .result-card{padding:14px;border:1px solid #9bdfc8;border-radius:6px;background:linear-gradient(120deg,var(--mint),#f4fcff);min-width:0}#mmrc455 .result-card h2{font-size:15px}#mmrc455 .score-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:3px 0 10px}#mmrc455 .score{font-size:clamp(30px,3.7vw,52px);line-height:1.1;font-weight:750;color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}#mmrc455 .score span{font-size:.62em}#mmrc455 .secondary{font-size:18px;margin-top:5px;color:var(--ink)}#mmrc455 .tier{font-size:10px;border:1px solid #d5e6fa;background:#eaf4ff;border-radius:5px;padding:4px 7px;max-width:130px;text-align:center}#mmrc455 .metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}#mmrc455 .metric-grid>div{border:1px solid var(--line);border-radius:5px;background:var(--paper);padding:9px;min-width:0}#mmrc455 .metric-grid span{font-size:12px;font-weight:600;display:block}#mmrc455 .metric-grid strong{font-size:27px;line-height:1.35;display:block;overflow-wrap:anywhere}#mmrc455 .split{display:flex;height:22px;background:#e4eaf1;border-radius:5px;overflow:hidden}#mmrc455 .split span{display:block}#mmrc455 #minuteAlveolarBar{background:#2784f7}#mmrc455 #minuteDeadBar{background:#ffdc82}#mmrc455 .split-labels{display:flex;justify-content:space-between;gap:8px;margin-top:6px;font-size:12px}#mmrc455 .context{padding:7px 10px;background:var(--soft);border:1px solid var(--line);border-radius:5px;margin-top:12px;font-size:12px}#mmrc455 .context small{display:block;color:var(--muted);font-size:11px}#mmrc455 .lungs-visual{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center;gap:16px}#mmrc455 .lungs-visual .photo{height:145px;padding-bottom:12px}#mmrc455 .photo .watermark{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:96px!important;height:13px!important;object-fit:contain;opacity:.6}#mmrc455 .lungs-visual p{font-size:13px;margin-top:8px;color:var(--muted)}#mmrc455 .caption{font-size:9px;color:var(--muted);margin-top:3px}#mmrc455 .export-actions{margin:10px 0 14px}#mmrc455 .knowledge-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;margin-bottom:14px}#mmrc455 .knowledge-grid h2{margin-bottom:10px}#mmrc455 .table-scroll{overflow-x:auto}#mmrc455 table{width:100%;border-collapse:collapse;font-size:12px;background:var(--paper);color:var(--ink)}#mmrc455 th,#mmrc455 td{border:1px solid var(--line);padding:8px;text-align:center}#mmrc455 th{background:var(--soft);font-size:11px}#mmrc455 .formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:var(--soft);border-radius:5px;padding:9px;margin-top:12px;text-align:center;font-size:12px}#mmrc455 .method-details{margin-top:10px;font-size:12px}#mmrc455 .method-details p{color:var(--muted);margin-top:8px}#mmrc455 .faq details{border:1px solid var(--line);border-radius:5px;margin-bottom:8px;padding:10px;font-size:12px}#mmrc455 .faq details p{margin-top:9px;color:var(--muted)}#mmrc455 .source-grid,#mmrc455 .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:8px}#mmrc455 .source-grid>a,#mmrc455 .related-grid>a{border:1px solid var(--line);border-radius:6px;padding:12px;display:flex;align-items:center;gap:12px;background:var(--paper);min-width:0}#mmrc455 .source-brand{font-size:26px;font-weight:750;letter-spacing:-1px;white-space:nowrap;min-width:78px;color:var(--ink)}#mmrc455 .source-brand.openstax{font-size:22px}#mmrc455 .openstax>span{color:#e87522}#mmrc455 .source-grid strong,#mmrc455 .source-grid b,#mmrc455 .source-grid small,#mmrc455 .related-grid strong,#mmrc455 .related-grid small{display:block}#mmrc455 .source-grid strong,#mmrc455 .related-grid strong{font-size:13px}#mmrc455 .source-grid b{font-size:12px;font-weight:400;margin-top:3px}#mmrc455 .source-grid small,#mmrc455 .related-grid small{font-size:11px;line-height:1.35;color:var(--muted);margin-top:4px}#mmrc455 .sources-note{font-size:10px;text-align:center;color:var(--muted);margin:6px 0 14px}#mmrc455 .related-grid>a{min-height:105px;padding:8px 12px}#mmrc455 .related-grid .photo{width:95px;min-width:95px;height:90px}#mmrc455 .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html[data-theme="dark"] #mmrc455,body.dark #mmrc455,html.dark #mmrc455{--ink:#e2eafd;--muted:#acb9d0;--line:#344459;--paper:#182334;--soft:#202e42;--mint:#123b32;--ref-shield-paper:#1b314e;--ref-shield-inner:#243f60;--ref-shield-layer:#345a7e}html[data-theme="dark"] #mmrc455 .st-reference-notice,body.dark #mmrc455 .st-reference-notice,html.dark #mmrc455 .st-reference-notice{background:linear-gradient(110deg,#1a2637,#1a3045)}html[data-theme="dark"] #mmrc455 .result-card,body.dark #mmrc455 .result-card,html.dark #mmrc455 .result-card{background:linear-gradient(120deg,#123b32,#172d3b)}html[data-theme="dark"] #mmrc455 .tier,html[data-theme="dark"] #mmrc455 .assumption{background:#263d57;color:#d0e5ff}html[data-theme="dark"] #mmrc455 .st-reference-seal{color:#aecbfa}html[data-theme="dark"] #mmrc455 .emergency{background:#362e22;color:#ffe0a4;border-color:#71603c}
html.st-home-dark #mmrc455,body.dark #mmrc455,html.dark #mmrc455{--ink:#e2eafd;--muted:#acb9d0;--line:#344459;--paper:#182334;--soft:#202e42;--mint:#123b32;--ref-shield-paper:#1b314e;--ref-shield-inner:#243f60;--ref-shield-layer:#345a7e}html.st-home-dark #mmrc455 .st-reference-notice,body.dark #mmrc455 .st-reference-notice,html.dark #mmrc455 .st-reference-notice{background:linear-gradient(110deg,#1a2637,#1a3045)}html.st-home-dark #mmrc455 .result-card,body.dark #mmrc455 .result-card,html.dark #mmrc455 .result-card{background:linear-gradient(120deg,#123b32,#172d3b)}html.st-home-dark #mmrc455 .tier,html.st-home-dark #mmrc455 .assumption{background:#263d57;color:#d0e5ff}html.st-home-dark #mmrc455 .st-reference-seal{color:#aecbfa}html.st-home-dark #mmrc455 .emergency{background:#362e22;color:#ffe0a4;border-color:#71603c}
@media(min-width:1500px){#mmrc455 .score{font-size:52px}}@media(max-width:800px){#mmrc455 .studio-grid,#mmrc455 .knowledge-grid{grid-template-columns:1fr}#mmrc455 .source-grid,#mmrc455 .related-grid{grid-template-columns:1fr}#mmrc455 .st-reference-seal{max-width:175px}#mmrc455 .input-panel .advanced{min-height:230px}#mmrc455 .score{font-size:42px}}@media(max-width:520px){#mmrc455 .st-reference-notice{align-items:flex-start;gap:9px;padding:10px}#mmrc455 .st-reference-seal{display:block;width:42px;min-width:42px}#mmrc455 .st-reference-seal b,#mmrc455 .st-reference-seal small{display:none}#mmrc455 .info-cards{gap:6px}#mmrc455 .info-cards article{padding:6px}#mmrc455 .info-cards .photo{height:76px}#mmrc455 .info-cards h2{font-size:12px}#mmrc455 .info-cards p{font-size:10px}#mmrc455 .field{gap:8px;grid-template-columns:minmax(0,.9fr) minmax(0,1fr)}#mmrc455 .metric-grid strong{font-size:23px}#mmrc455 .panel{padding:12px}#mmrc455 .panel-heading{display:block}#mmrc455 .panel-heading span{text-align:left}#mmrc455 .score-head{align-items:flex-start}#mmrc455 .tier{max-width:95px}#mmrc455 button{font-size:12px}#mmrc455 .lungs-visual{gap:10px}#mmrc455 .lungs-visual h2{font-size:16px}}

html.st-home-dark #st334Content:has(#mmrc455)>h1,html[data-theme="dark"] #st334Content:has(#mmrc455)>h1{color:#e2eafd}
html.st-master-dark #mmrc455,body.dark #mmrc455,html.dark #mmrc455{--ink:#e2eafd;--muted:#acb9d0;--line:#344459;--paper:#182334;--soft:#202e42;--mint:#123b32;--ref-shield-paper:#1b314e;--ref-shield-inner:#243f60;--ref-shield-layer:#345a7e}html.st-master-dark #mmrc455 .st-reference-notice,body.dark #mmrc455 .st-reference-notice,html.dark #mmrc455 .st-reference-notice{background:linear-gradient(110deg,#1a2637,#1a3045)}html.st-master-dark #mmrc455 .result-card,body.dark #mmrc455 .result-card,html.dark #mmrc455 .result-card{background:linear-gradient(120deg,#123b32,#172d3b)}html.st-master-dark #mmrc455 .tier,html.st-master-dark #mmrc455 .assumption{background:#263d57;color:#d0e5ff}html.st-master-dark #mmrc455 .st-reference-seal{color:#aecbfa}html.st-master-dark #mmrc455 .emergency{background:#362e22;color:#ffe0a4;border-color:#71603c}
html.st-home-dark #mmrc455,body.dark #mmrc455,html.dark #mmrc455{--ink:#e2eafd;--muted:#acb9d0;--line:#344459;--paper:#182334;--soft:#202e42;--mint:#123b32;--ref-shield-paper:#1b314e;--ref-shield-inner:#243f60;--ref-shield-layer:#345a7e}html.st-home-dark #mmrc455 .st-reference-notice,body.dark #mmrc455 .st-reference-notice,html.dark #mmrc455 .st-reference-notice{background:linear-gradient(110deg,#1a2637,#1a3045)}html.st-home-dark #mmrc455 .result-card,body.dark #mmrc455 .result-card,html.dark #mmrc455 .result-card{background:linear-gradient(120deg,#123b32,#172d3b)}html.st-home-dark #mmrc455 .tier,html.st-home-dark #mmrc455 .assumption{background:#263d57;color:#d0e5ff}html.st-home-dark #mmrc455 .st-reference-seal{color:#aecbfa}html.st-home-dark #mmrc455 .emergency{background:#362e22;color:#ffe0a4;border-color:#71603c}

html.st-master-dark #st334Content:has(#mmrc455)>h1{color:#e2eafd}
@media(max-width:520px){#st334Content:has(#mmrc455){width:calc(100% - 28px);padding-inline:0}}
/* W455: approved five-choice assessment; native radio semantics. */
#mmrc455 .input-panel{gap:12px}#mmrc455 .panel-heading h2{font-size:20px}#mmrc455 .panel-heading span{white-space:nowrap;font-size:11px}#mmrc455 .choices{display:grid;gap:8px;padding:0;margin:0;border:0;min-width:0}#mmrc455 .choice{display:grid;grid-template-columns:22px 68px minmax(0,1fr);gap:10px;align-items:center;border:1px solid var(--line);border-radius:5px;padding:13px 12px;min-height:58px;cursor:pointer;background:var(--paper)}#mmrc455 .choice input{width:20px;height:20px;padding:0;margin:0;accent-color:var(--blue)}#mmrc455 .choice strong{font-size:14px;white-space:nowrap}#mmrc455 .choice>span{font-size:13px;color:var(--ink);line-height:1.45}#mmrc455 .choice.selected,#mmrc455 .choice:has(input:checked){border-color:var(--blue);background:#f0f6ff}#mmrc455 .choice:focus-within{outline:2px solid #77b2ff;outline-offset:2px}#mmrc455 .form-actions{margin-top:auto;padding-top:42px}#mmrc455 .score{font-size:48px;white-space:nowrap}#mmrc455 .score-head{align-items:flex-start;margin:6px 0 10px}#mmrc455 .tier{max-width:none;white-space:nowrap}#mmrc455 .burden{display:inline-block;padding:4px 10px;font-size:13px;border-radius:4px;border:1px solid #c6eadd;background:#e6fbf2;color:#175d4b}#mmrc455 .result-description{color:var(--muted);font-size:13px;line-height:1.5;margin:9px 0 15px;min-height:20px}#mmrc455 .grade-gauge{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px;padding-bottom:24px;margin-top:8px}#mmrc455 .grade-segment{position:relative;height:40px;display:flex;justify-content:center;align-items:center;border-radius:4px;border:2px solid transparent;color:#09094b;font-size:17px}#mmrc455 .grade-segment small{display:none;position:absolute;top:40px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--ink);white-space:nowrap}#mmrc455 .grade-segment.selected{border-color:var(--ink)}#mmrc455 .grade-segment.selected small{display:block}#mmrc455 .g0{background:#bdeac5}#mmrc455 .g1{background:#d9edb5}#mmrc455 .g2{background:#ffe38a}#mmrc455 .g3{background:#ffc28a}#mmrc455 .g4{background:#f8a3a7}#mmrc455 .metric-grid{grid-template-columns:.85fr 1.15fr;margin-top:2px}#mmrc455 .metric-grid strong{font-size:13px;line-height:1.4}#mmrc455 .metric-grid p{font-size:12px;color:var(--muted);line-height:1.5;margin-top:6px}#mmrc455 .teaching-visual{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:16px;align-items:center}#mmrc455 .teaching-visual .photo{height:146px;padding-bottom:12px}#mmrc455 .teaching-visual h2{font-size:20px}#mmrc455 .teaching-visual p{color:var(--muted);font-size:14px;margin-top:8px}#mmrc455 .understanding table{margin-bottom:12px}#mmrc455 .understanding th,#mmrc455 .understanding td{text-align:left;padding:9px}#mmrc455 .understanding .hint{margin-top:12px}#mmrc455 .export-status{font-size:12px;color:var(--muted)}#mmrc455 .export-status:empty{display:none}#mmrc455 .method-details{margin-top:12px}#mmrc455 .source-logo{flex:0 0 90px;display:flex;align-items:center;justify-content:center}#mmrc455 .source-logo img{width:90px;height:52px;object-fit:contain}#mmrc455 .source-brand.gold{color:#e49b00;font-size:33px;letter-spacing:-1px}#mmrc455 .source-grid>a{min-height:93px;gap:12px}#mmrc455 .source-grid strong{font-size:12px}#mmrc455 .related-grid>a{min-height:106px}#mmrc455 .related-grid .photo{height:87px}#mmrc455 .result-card[data-grade="2"]{border-color:#e4cc8e;background:linear-gradient(120deg,#fff9df,#fffdf5)}#mmrc455 .result-card[data-grade="3"]{border-color:#e7bf91;background:linear-gradient(120deg,#fff1df,#fffaf4)}#mmrc455 .result-card[data-grade="4"]{border-color:#e3aaac;background:linear-gradient(120deg,#fff0f0,#fff8f8)}#mmrc455 .result-card[data-grade="2"] .burden,#mmrc455 .result-card[data-grade="3"] .burden,#mmrc455 .result-card[data-grade="4"] .burden{background:#fff6e4;border-color:#e6cf9c;color:#79430d}
:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .choice.selected,:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .choice:has(input:checked){background:#213a59}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .burden{background:#1b483c;border-color:#417966;color:#b9f3d5}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .result-card[data-grade="2"],:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .result-card[data-grade="3"],:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .result-card[data-grade="4"]{background:linear-gradient(120deg,#392f28,#283342)}:is(html.st-master-dark,html.st-home-dark,html.dark,html[data-theme="dark"]) #mmrc455 .source-logo{background:#fff;border-radius:4px}
@media(max-width:1100px){#mmrc455 .score{font-size:38px}#mmrc455 .panel-heading{display:block}#mmrc455 .source-logo{flex-basis:72px}#mmrc455 .source-logo img{width:72px}#mmrc455 .source-brand.gold{font-size:27px;min-width:72px}}@media(max-width:800px){#mmrc455 .score{font-size:44px}#mmrc455 .form-actions{padding-top:18px}#mmrc455 .panel-heading{display:flex}#mmrc455 .source-logo{flex-basis:90px}#mmrc455 .source-logo img{width:90px}}@media(max-width:520px){#mmrc455 .choice{grid-template-columns:20px 58px minmax(0,1fr);gap:7px;padding:11px 8px}#mmrc455 .choice strong{font-size:12px}#mmrc455 .choice>span{font-size:12px}#mmrc455 .panel-heading{display:block}#mmrc455 .panel-heading h2{font-size:18px}#mmrc455 .score{font-size:34px}#mmrc455 .score-head{flex-wrap:wrap}#mmrc455 .teaching-visual{gap:10px}#mmrc455 .teaching-visual h2{font-size:17px}#mmrc455 .teaching-visual p{font-size:12px}#mmrc455 .teaching-visual .photo{height:130px}#mmrc455 .metric-grid{grid-template-columns:1fr 1.2fr}}