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@media(max-width:760px){header{height:auto;min-height:78px;flex-wrap:wrap;padding:16px 20px;gap:14px}header nav{order:3;width:100%;justify-content:space-between;gap:8px}header nav a{font-size:12px;padding:7px 0}.brand{font-size:18px}.brand small{font-size:8px}.lang{margin-left:auto}.wrap{padding:28px 20px 45px}.hero{grid-template-columns:1fr;gap:25px;padding:14px 0 30px}.hero h1{font-size:45px;letter-spacing:-1.4px}.hero .atlas{display:none}.lead{font-size:15px}.cards,.academygrid,.settingsgrid{grid-template-columns:1fr}.sectiontop h2{font-size:26px}.sectiontop .subtle{max-width:130px;text-align:right;font-size:11px}.card{padding:23px}.card h3{margin-top:18px;font-size:29px}.card p{min-height:0}.articlecard img{width:105px}.flow{display:block}.sidebar{border:0;padding:0}.sidebar .steps{display:none}.sidebar h2{font-size:20px;margin-top:0}.sidebar .tiny{display:none}.questionbox{padding:22px 18px}.questionbox h1{font-size:28px}.pagehead h1{font-size:35px}.reading{padding:20px 16px}.reading h1{font-size:29px}.report{padding:22px 18px}.choice{padding:12px}.choice img{width:60px}.reviewitem{gap:6px}.reviewitem .textbtn{font-size:11px}.actions{gap:8px}.btn{padding:12px 16px}.notice{padding:14px}.strip{margin-top:32px}footer{flex-direction:column;padding:22px 20px}footer a{margin-left:0;margin-right:16px}.doc-table{font-size:11px}.doc-table td,.doc-table th{padding:9px}.pills{gap:6px}.pill{font-size:10px;padding:7px 9px}}
@media print{header,footer,.no-print,.skip,#toast{display:none!important}.wrap{padding:0;max-width:none}body{background:white;color:black}.report{border:0;padding:0}.report pre{font-size:11pt;line-height:1.5}.reviewitem{break-inside:avoid}a{color:black}.notice{border:1px solid #aaa;background:white}.reading{border:0}.reading img{max-height:20cm;object-fit:contain}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

@media(max-width:760px){.brand small{font-size:6.5px;letter-spacing:.9px}.hero h1{font-size:37px}.hero .lead{font-size:14px;line-height:1.65}.hero .eyebrow{font-size:10px}.hero{padding-top:6px}.lang button{min-width:38px}}

/* Reference app identity: original blue/green palette, logo and cover. */
@font-face{font-family:NeckCheckQuicksand;src:url('assets/quicksand.ttf') format('truetype');font-display:swap}
@media screen{
:root{--ink:#f4f7fa;--muted:#c1d0dd;--green:#79c771;--mint:#173b3d;--line:#2b455b;--paper:#171b2a;--white:#0b263c;--serif:NeckCheckQuicksand,'Trebuchet MS',sans-serif;font-family:NeckCheckQuicksand,system-ui,sans-serif;color-scheme:dark}
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}
@media screen and (max-width:760px){header{padding:12px 18px;gap:10px;min-height:104px;height:auto}.reference-logo{width:204px}.lang{margin-left:auto}.lang button{min-width:34px;min-height:34px}.wrap{padding:16px 16px 40px}.reference-hero{margin-bottom:24px;border-radius:9px}.reference-hero>img{height:260px;object-position:center}.hero-label{padding:30px 14px 12px}.hero-label>span:first-child{font-size:13px}.hero-label>span:last-child{font-size:7px;letter-spacing:.8px;text-align:right;max-width:165px}.reference-intro{margin-bottom:28px}.reference-intro h1{font-size:26px;letter-spacing:-.5px}.reference-intro .eyebrow{font-size:9px;letter-spacing:1.4px}.reference-intro .lead{font-size:14px}.sectiontop h2{font-size:23px}.card h3{font-size:27px}.card{padding:22px}.card .meta{font-size:10px}.questionbox{padding:21px 17px}}
@media print{.reference-hero,.reference-intro{display:none}}

/* PWA v0.3: higher contrast on the original dark palette. */
[hidden]{display:none!important}
@media screen{
:root{--paper:#101827;--ink:#f5f8fc;--muted:#d2deea;--line:#3a566d;font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
.reference-intro h1,.card h3,.pagehead h1,.sidebar h2,.settingsgrid h2,.articlecard h3{font-family:NeckCheckQuicksand,system-ui,sans-serif;font-weight:600}
.questionbox h1{font-family:system-ui,sans-serif;font-size:30px;font-weight:650;line-height:1.35}
header nav a{font-size:14px;font-weight:550}.tiny{font-size:12px;line-height:1.7;color:#c4d3df}.subtle{font-size:14px}.choice{font-size:16px;line-height:1.65;padding:16px}.help{font-size:16px}.field{font-size:17px;min-height:52px}.steps button{font-size:13px;min-height:44px;color:#d2deea}.card p{font-size:15px;color:#d2deea}.card .meta{font-size:12px}.reading{font-family:system-ui,sans-serif}.btn{font-size:14px;min-height:48px}.textbtn{font-size:14px;line-height:1.5}.app-launch{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;border:1px solid #38596d;background:#08283a;border-radius:10px;margin-bottom:20px}.app-launch p{font-size:13px;color:#d2deea;margin:9px 0 0}.app-launch .btn{flex-shrink:0}.install-status h2{font-size:24px;line-height:1.4;margin:18px 0 10px}.install-status p{min-height:0}.install-status{padding:25px}.settingsgrid ol{padding-left:22px;line-height:1.8;font-size:16px}.settingsgrid li{margin:10px 0}.reference-hero>img{height:clamp(240px,32vw,420px)}.reviewitem p{font-size:16px;color:#d2deea}.reviewitem h3{font-size:15px}button:disabled{opacity:.65}.reading li{line-height:1.8}.choices{min-width:0;padding:0;border:0}.choice{min-width:0;overflow-wrap:anywhere}.settingsgrid .card p{min-height:0}
}
@media screen and (max-width:760px){header nav a{font-size:12px}.reference-hero>img{height:225px}.app-launch{align-items:flex-start;padding:16px;gap:15px;flex-direction:column}.app-launch .btn{width:100%}.app-launch p{font-size:13px}.questionbox h1{font-size:26px}.tiny{font-size:12px}.choice{font-size:16px;padding:14px}.sectiontop .subtle{font-size:12px}.questionbox{padding:22px 18px}.reading{font-size:17px}.reading h1{font-size:29px}.settingsgrid ol{font-size:16px}.reference-intro .lead{font-size:15px}.reviewitem{grid-template-columns:minmax(0,1fr) auto}.card .meta{font-size:11px}}
@media print{.app-launch,.install-status{display:none!important}}

/* Published thesis evidence and directly visible original clinical help. */
.scientific-sources{margin:0 0 36px}.scientific-sources>h2{font:600 28px/1.35 var(--serif);margin:0 0 16px}.scientific-sources>p{font-size:15px;line-height:1.8;max-width:900px}.publication-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}.publication-card{padding:25px;border:1px solid var(--line);border-radius:12px;background:var(--white)}.publication-card h3{font-size:19px;line-height:1.5;margin:17px 0}.publication-card p{font-size:14px;line-height:1.7;margin:12px 0}.publication-card .publication-authors{color:var(--muted)}.publication-doi{overflow-wrap:anywhere}.publication-card .btn{margin-top:8px}.clinical-explanation{margin:20px 0;padding:18px;border:1px solid var(--line);border-left:3px solid var(--green);border-radius:8px;background:var(--white)}.clinical-explanation h2{font:650 18px/1.45 system-ui,sans-serif;margin:0 0 13px}.clinical-explanation .clinical-copy{font-size:16px;line-height:1.8;margin:0}.clinical-explanation .clinical-source{font-size:13px;line-height:1.6;margin:18px 0 0;padding-top:13px;border-top:1px solid var(--line)}.clinical-context{margin-top:14px}.clinical-context a{color:var(--green)}
@media(max-width:760px){.publication-grid{grid-template-columns:1fr}.publication-card{padding:21px}.publication-card h3{font-size:18px}.scientific-sources>h2{font-size:25px}.clinical-explanation{padding:16px 14px}.clinical-explanation h2{font-size:17px}.clinical-explanation .clinical-copy{font-size:16px}}
@media print{.publication-card,.clinical-explanation{background:white;color:black}.publication-grid{display:block}.publication-card{break-inside:avoid}}

.clinical-explanation h3,.item-bibliography h3{font:650 15px/1.5 system-ui,sans-serif;margin:18px 0 10px}.clinical-focus{padding:13px 15px;border-radius:6px;background:#163d43;font:15px/1.7 system-ui,sans-serif;margin:0 0 18px}.item-bibliography{margin-top:18px;padding-top:4px;border-top:1px solid var(--line)}.reference-list{padding-left:20px;margin:12px 0;overflow-wrap:anywhere}.reference-list li{font:13px/1.8 system-ui,sans-serif;margin:12px 0}.reference-number{font-weight:700;color:var(--green)}.full-bibliography{margin:35px 0}.full-bibliography>h2{font:600 25px/1.4 var(--serif)}.bibliography-group{border:1px solid var(--line);border-radius:8px;padding:17px;margin:15px 0;background:var(--white)}.bibliography-group summary{cursor:pointer;line-height:1.7;font-weight:650;min-height:32px}.teaching-library{margin-top:40px}.teaching-library>p{line-height:1.8}.teaching-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.teaching-card{border:1px solid var(--line);background:var(--white);padding:24px;border-radius:12px;text-decoration:none;display:block}.teaching-card h3{font:600 23px/1.4 var(--serif);margin:10px 0}.teaching-card p{font-size:15px;line-height:1.7;color:var(--muted)}.teaching-card .eyebrow{color:var(--green);font-size:10px}.teaching-case{max-width:880px;margin:20px auto}.case-panel,.case-discussion{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:10px;margin:22px 0;line-height:1.85}.case-panel h2{font:600 22px/1.4 var(--serif)}.case-panel li{margin:12px 0}.case-discussion summary{cursor:pointer;font-size:18px;font-weight:650;min-height:32px;color:var(--green)}.case-figure{margin:24px 0;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--white)}.case-figure img{display:block;max-width:100%;max-height:420px;margin:auto;object-fit:contain}.case-figure figcaption{font:12px/1.7 system-ui,sans-serif;color:var(--muted);margin-top:15px}.academy-section-heading{font:600 25px var(--serif);margin:0 0 22px}
@media(max-width:760px){.teaching-grid{grid-template-columns:1fr}.teaching-card{padding:22px}.teaching-card h3{font-size:22px}.case-panel,.case-discussion{padding:19px}.case-figure{padding:13px}.reference-list{padding-left:16px}.reference-list li{font-size:13px}.bibliography-group{padding:15px}.clinical-focus{padding:12px;font-size:15px}}
@media print{.clinical-focus,.case-panel,.case-discussion,.case-figure{background:white;color:black}}

/* Distinct region marks, scalable and legible on dark backgrounds. */
.card-icon{width:88px;height:88px;border-radius:24px;background:linear-gradient(145deg,#153946,#0a2432);border:1px solid #467080;box-shadow:inset 0 1px 0 #ffffff12}.card-icon img{display:block;width:80px;height:80px;object-fit:contain}.card:nth-child(2) .card-icon{border-color:#507a5d;background:linear-gradient(145deg,#193c35,#0c292b)}.question-sources{margin-top:30px;padding-top:24px;border-top:1px solid #3a5265}.question-sources h2{font-size:1.15rem;margin:0 0 12px}.question-sources .question-bibliography{margin-top:12px}

.additional-resources{margin:42px 0}.resource-card{padding:26px;border:1px solid #3a5265;border-radius:20px;background:#102637;display:flex;flex-direction:column;gap:10px}.resource-card h3{font-size:1.4rem;line-height:1.3;margin:8px 0}.resource-card p{margin:0 0 8px;line-height:1.65}.resource-heading{display:flex;align-items:center;gap:18px}.resource-heading img{flex-shrink:0}.resource-links{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:auto;padding-top:14px}

/* Refined editorial typography and responsive home cover. */
@media screen{
:root{--serif:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
.reference-intro h1,.card h3,.pagehead h1,.sidebar h2,.settingsgrid h2,.articlecard h3{font-family:var(--serif);letter-spacing:-.035em}
.wrap{padding-top:32px}.cover-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:42px;align-items:center;padding:18px 0 38px;margin-bottom:0}.cover-layout .reference-hero{grid-column:2;grid-row:1;margin:0;border-radius:24px;border-color:#3a5367;box-shadow:0 22px 70px #0003}.cover-layout .reference-hero>img{height:410px;object-position:53% center}.cover-layout .reference-intro{grid-column:1;grid-row:1;text-align:left;margin:0;max-width:none}.cover-layout .eyebrow{justify-content:flex-start;letter-spacing:.16em;font-size:10px;margin-bottom:24px;line-height:1.7}.cover-layout h1{font-family:var(--serif);font-size:clamp(34px,3.8vw,49px);font-weight:700;line-height:1.12;letter-spacing:-.045em;margin:0 0 24px;text-wrap:balance}.cover-layout h1 span{color:#a6dca0}.cover-layout .lead{font-size:17px;line-height:1.75;color:#c8d5e0;max-width:430px;margin:0}.cover-topics{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}.cover-topics span{font-size:12px;font-weight:550;letter-spacing:.01em;border:1px solid #3a5568;border-radius:30px;padding:8px 13px;color:#e0eaf0;background:#102939}.hero-label{padding:45px 22px 20px;letter-spacing:.12em}.hero-label>span:first-child{font-size:14px}.hero-label>span:last-child{font-size:8px;max-width:160px;text-align:right;line-height:1.7}.app-launch{padding:14px 20px;border-radius:14px;margin:0 0 38px;background:#0b2333;border-color:#2b475c}.app-launch>div{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.app-launch p{margin:0;font-size:12px}.app-launch .badge{font-size:9px}.app-launch .btn{min-height:42px;font-size:12px;padding:10px 16px}.sectiontop h2{font-family:var(--serif);font-size:26px;font-weight:650;letter-spacing:-.035em;line-height:1.25}.card{border-radius:20px;padding:28px;background:linear-gradient(150deg,#102a3b,#081e30)}.card h3{font-weight:650;font-size:28px;margin-top:24px}.card p{font-size:15px;line-height:1.75;max-width:440px}.number{font-family:inherit;letter-spacing:.1em;font-size:10px}.btn{border-radius:10px;font-weight:650}.articlecard{border-radius:16px}.articlecard h3{font-weight:600;line-height:1.4}.pagehead h1{font-weight:700;line-height:1.16}.eyebrow{letter-spacing:.14em}.sectiontop .subtle{font-size:13px}header nav a{font-weight:500}
}
@media screen and (max-width:760px){
.wrap{padding:22px 18px 44px}.cover-layout{grid-template-columns:1fr;gap:26px;padding:8px 0 28px}.cover-layout .reference-intro{grid-column:1;grid-row:1}.cover-layout .reference-hero{grid-column:1;grid-row:2;border-radius:20px}.cover-layout .reference-hero>img{height:235px;object-position:50% 46%}.cover-layout .eyebrow{font-size:9px;margin-bottom:17px;letter-spacing:.14em}.cover-layout h1{font-size:clamp(32px,8.8vw,44px);line-height:1.12;letter-spacing:-.045em;margin-bottom:18px;max-width:520px}.cover-layout .lead{font-size:16px;line-height:1.7;max-width:520px}.cover-topics{margin-top:20px;gap:8px}.cover-topics span{font-size:11px;padding:7px 11px}.app-launch{flex-direction:row;align-items:center;gap:12px;padding:15px;margin-bottom:32px}.app-launch>div{gap:7px}.app-launch p{font-size:11px}.app-launch .badge{font-size:8px;letter-spacing:.03em}.app-launch .btn{width:auto;min-width:115px;font-size:11px;padding:10px;flex-shrink:0}.sectiontop h2{font-size:25px;max-width:240px}.sectiontop .subtle{font-size:11px;max-width:92px}.card{padding:24px}.card h3{font-size:27px}.card p{font-size:15px}.card .meta{font-size:11px}.hero-label>span:first-child{font-size:12px}.hero-label>span:last-child{font-size:7px;max-width:145px}.hero-label{padding:35px 17px 15px}
}
@media screen and (max-width:360px){.app-launch{flex-direction:column;align-items:stretch}.app-launch .btn{width:100%}.cover-layout h1{font-size:31px}}

/* Answer illustrations: readable cards and independent full-screen inspection. */
.choice-card{min-width:0}.choice-card:has(.answer-image){border:1px solid #3c5a70;border-radius:14px;overflow:hidden;background:#0b283b}.choice-card:has(.answer-image):has(input:checked){border-color:#91d88a;box-shadow:0 0 0 1px #91d88a}.choice-card:has(.answer-image) .choice{border:0;border-radius:0;display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;padding:18px;margin:0}.choice-card .choice input{grid-column:1;grid-row:1}.choice-card .choice>span{grid-column:2;grid-row:1}.choice-card .choice .answer-image{grid-column:1/-1;grid-row:2;width:100%;height:auto;max-height:350px;object-fit:contain;display:block;margin:8px auto 0;padding:10px;background:#edf1f3;border-radius:9px}.answer-image-open{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:46px;padding:11px 16px;border-top:1px solid #3c5a70;background:#13394b;color:#d8f2fa;font-size:14px;font-weight:600}.answer-image-open:hover{background:#205064}.answer-viewer{position:fixed;inset:0;width:min(1150px,96vw);height:min(900px,94dvh);max-width:96vw;max-height:94dvh;margin:auto;padding:0;background:#0b1f2e;color:#f5f8fc;border:1px solid #557085;border-radius:16px;box-shadow:0 20px 100px #0008;overflow:hidden}.answer-viewer[open]{display:flex;flex-direction:column}.answer-viewer::backdrop{background:#030b14e8}.viewer-toolbar{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid #3a566d;flex-shrink:0}.viewer-toolbar h2{font-size:17px;font-weight:600;margin:0 auto 0 0;line-height:1.3}.viewer-toolbar .btn{min-height:44px;font-size:13px;padding:10px 14px}.viewer-canvas{min-height:0;flex:1;overflow:auto;background:#e9edf0;display:block;padding:16px;overscroll-behavior:contain}.viewer-canvas img{display:block;width:100%;height:100%;object-fit:contain;margin:auto;max-width:none}.answer-viewer.is-zoomed .viewer-canvas img{width:200%;height:auto;min-height:100%;object-fit:contain}.viewer-caption{padding:12px 18px;margin:0;font-size:12px;line-height:1.6;color:#c4d3df;flex-shrink:0}
@media(max-width:760px){.choice-card .choice .answer-image{max-height:320px;padding:8px}.choice-card:has(.answer-image) .choice{padding:15px}.answer-viewer{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0;border:0}.viewer-toolbar{gap:8px;padding:12px;padding-top:max(12px,env(safe-area-inset-top))}.viewer-toolbar h2{font-size:14px}.viewer-toolbar .btn{font-size:12px;padding:9px 11px}.viewer-canvas{padding:10px}.viewer-caption{padding-bottom:max(12px,env(safe-area-inset-bottom));font-size:11px}}

.np-stepbar{display:flex;align-items:center;gap:18px;margin:22px 0}.np-origin p{margin:8px 0}.np-source-block,.np-question,.np-intro{max-width:900px;margin:24px auto}.np-question{padding:22px;border:1px solid var(--line);background:var(--white);border-radius:16px}.np-source-block h2,.np-question h2{font-size:24px;line-height:1.4;letter-spacing:-.02em}.np-copy{white-space:pre-line;font-size:16px;line-height:1.8}.np-figure{margin:22px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0c273a}.np-figure>img{display:block;width:100%;height:auto;max-height:480px;object-fit:contain;background:#e9edf0;padding:10px}.np-figure figcaption{font-size:13px;line-height:1.7;padding:14px}.np-intro{padding:20px;border:1px solid var(--line);border-radius:12px}.np-intro summary{cursor:pointer;font-weight:600;min-height:30px}.np-home-card{margin-top:20px}.np-home-card .card-head{gap:24px}.np-home-card .card-icon{font:700 27px system-ui;letter-spacing:-1px;color:#9bdef0}.np-home-card h3{margin:0 0 10px}.np-home-card .np-home-copy{flex:1}.np-home-card .btn{margin-top:16px}@media(max-width:760px){.np-question{padding:18px 14px}.np-source-block h2,.np-question h2{font-size:22px}.np-home-card .card-head{align-items:flex-start;gap:16px}.np-home-card .card-icon{width:64px;height:64px;flex-shrink:0;font-size:23px}.np-stepbar{align-items:flex-start}}

.tnm-context,.tnm-update{padding:20px;border:1px solid #4c735e;border-radius:14px;background:#123039;margin:20px 0;line-height:1.75}.tnm-context{display:flex;flex-wrap:wrap;gap:16px;background:#102938}.tnm-context>.tiny{width:100%;margin:0}.tnm-choice{flex:1;min-width:210px}.tnm-choice label,.tnm-ene label{display:block;font-weight:650;font-size:14px;margin-bottom:8px}select[data-tnm-revision],select[data-tnm-system],select[data-tnm-ene]{width:100%;min-height:48px;padding:10px 12px;border:1px solid #68899b;border-radius:8px;background:#092235;color:#f5f8fc;font:14px system-ui}.tnm-update h2{font-size:24px;line-height:1.3}.tnm-update p{font-size:15px}.tnm-update a{color:#a8e39c}.tnm-historical{margin:20px 0;border:1px solid #786c4f;padding:16px;border-radius:10px;background:#252b2d}.tnm-historical summary{cursor:pointer;min-height:32px;line-height:1.6;font-weight:600}.tnm-ene{border:1px solid #456b70;border-radius:10px;padding:18px;margin:20px 0}.tnm-update .tiny{font-size:12px}.tnm-context select:focus-visible,.tnm-ene select:focus-visible{outline:3px solid #b1ee91;outline-offset:3px}@media(max-width:760px){.tnm-context,.tnm-update{padding:17px}.tnm-choice{min-width:0;flex-basis:100%}.tnm-update h2{font-size:22px}}

.question-figure,.answer-figure{margin:20px 0;border:1px solid #486071;border-radius:12px;overflow:hidden;background:#102b3c}.question-figure .qimage{width:100%;max-height:430px;margin:0 auto;padding:12px;background:#e9edf0}.question-figure figcaption,.answer-figure figcaption{font-size:13px;line-height:1.75;padding:14px 16px;color:#e1ebf3}.caption-note{display:block;color:#b9cbd9;font-size:12px;margin-top:5px}.choice-card .choice .answer-figure{grid-column:1/-1;grid-row:2;min-width:0;margin:8px 0 0;width:100%}.choice-card .choice .answer-figure .answer-image{margin:0;border-radius:0}.viewer-caption strong{font-weight:550}.tnm-update,.question-figure{overflow-wrap:anywhere}

.viewer-caption{max-height:28vh;overflow:auto}

.area-explanation{display:block;font-size:15px;line-height:1.8;color:#e0ebf3;white-space:normal}.area-explanation-label{display:block;font-size:11px;font-weight:650;letter-spacing:.04em;color:#a9dca0;margin-bottom:8px}.choice-copy>.area-explanation{margin-top:16px;padding-top:14px;border-top:1px solid #466171}.choice-card .answer-figure .area-explanation{font-size:15px;padding:17px}.choice-copy strong{font-weight:650}.answer-figure .area-explanation br{display:block}

.tnm-integrated{margin-top:20px;padding-top:16px;border-top:1px solid #42645d}.tnm-integrated h3{font-size:15px;color:#b6e4a8;margin:0 0 10px}.tnm-integrated p{font-size:16px;line-height:1.8;margin:12px 0}.question-sources .reference-list a{overflow-wrap:anywhere}

.clinical-explanation h3:empty{display:none}

.question-figure figcaption,.viewer-caption strong{white-space:pre-line}

.ajcc-field{display:grid;gap:.6rem;margin:1.4rem 0;line-height:1.6}.ajcc-field select{width:100%;max-width:100%;min-height:48px;padding:.8rem;border-radius:12px;background:#142d3d;color:#fff;border:1px solid #759092}.report pre.np-copy{white-space:pre-wrap;font:inherit;line-height:1.6}

/* Clear, consistent navigation across mobile and desktop. */
header.app-header{height:auto;min-height:88px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;padding:16px max(24px,calc((100vw - 1200px)/2));background:#081d30;border-bottom:1px solid #2d465b;box-shadow:0 4px 20px #020c141c}
.app-header .brand{margin:0;min-width:0;display:flex;align-items:center;letter-spacing:0}
.app-header .brand-mark{width:178px;height:40px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.app-header .reference-logo{width:270px;max-width:none;height:auto;flex:none}
.app-header nav.primary-nav{order:initial;display:flex;justify-self:center;gap:5px;width:auto;margin:0;padding:5px;background:#142b3d;border:1px solid #294356;border-radius:17px}
.app-header nav .nav-item{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 17px;border:0;border-radius:12px;text-decoration:none;color:#bfcedc;font-size:13px;font-weight:600;line-height:1.2;white-space:nowrap;transition:background .16s,color .16s}
.app-header nav .nav-item:hover{color:#fff;background:#203c50}
.app-header nav .nav-item.active{color:#09232a;background:#b1d99b;box-shadow:0 2px 6px #030d1820;border:0}
.app-header .lang{justify-self:end;margin:0;padding:3px;background:transparent;border:1px solid #365268;border-radius:13px}
.app-header .lang button{min-width:38px;min-height:40px;border-radius:9px;color:#d8e4ed;font-size:12px}
.app-header .lang button[aria-pressed=true]{background:#294c60;color:#fff}
.person-credit{padding:17px 0;border-bottom:1px solid #30485a}.person-credit:last-of-type{border-bottom:0}
.card .person-credit h3{font-family:inherit;font-size:17px;line-height:1.4;font-weight:650;letter-spacing:0;margin:0 0 6px}
.card .person-credit p{min-height:0;margin:4px 0;line-height:1.6}.card .person-area{color:#b1d99b;font-weight:550}
@media(max-width:900px){header.app-header{grid-template-columns:1fr auto;grid-template-areas:"brand language" "navigation navigation";padding:12px 18px 14px;gap:12px;min-height:0}.app-header .brand{grid-area:brand}.app-header .lang{grid-area:language}.app-header nav.primary-nav{grid-area:navigation;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));justify-self:stretch;width:100%;gap:4px;border-radius:15px;padding:5px}.app-header nav .nav-item{padding:11px 6px;font-size:12px;gap:7px;min-height:46px}.app-header .brand-mark{width:165px;height:36px}.app-header .reference-logo{width:250px}}
@media(max-width:380px){.app-header nav .nav-item{flex-direction:column;gap:5px;font-size:11px;padding:8px 4px;min-height:58px}.app-header .brand-mark{width:150px}.app-header .lang button{min-width:33px}}
@media(prefers-reduced-motion:reduce){.app-header nav .nav-item{transition:none}}

.featured-award{margin:18px 0 26px;padding:22px;border:1px solid #92814e;border-radius:16px;background:linear-gradient(135deg,#303626,#172e35)}.card .featured-award h3{font-family:inherit;font-size:20px;font-weight:650;line-height:1.45;letter-spacing:-.2px;margin:0 0 14px}.featured-award .eyebrow{color:#ead597;margin-bottom:12px}.card .featured-award p{min-height:0}.featured-award .resource-links{gap:12px;flex-wrap:wrap}

.settingsgrid.credits-stack{grid-template-columns:minmax(0,1fr)}
/* TNM reference library: independent from case answers. */
.tnm-home-link{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 25px;background:#123948;border:1px solid #3b6873;border-radius:18px;text-decoration:none;margin:0 0 20px;color:#d8e8ea}.tnm-home-link strong{display:block;font-size:19px;color:#b1d99b;margin-bottom:6px}.tnm-home-link>span>span{font-size:14px;color:#c2d1dc}.tnm-home-link>span:last-child{font-size:27px}.tnm-library-head .lead{max-width:700px}.tnm-library-intro{background:#112b3c;border:1px solid #304a5b;border-radius:18px;padding:24px;margin:20px 0}.tnm-library-intro p{color:#c3d1df;line-height:1.8}.tnm-library-filter{margin:30px 0 22px}.tnm-library-filter label{display:block;font-weight:650;margin-bottom:10px}.tnm-library-filter select{width:100%;min-height:50px;padding:12px;background:#132f41;color:#edf5fa;border:1px solid #537181;border-radius:10px}.tnm-library-list{display:grid;gap:12px;margin-bottom:24px}.tnm-library-card{border:1px solid #365366;border-radius:15px;background:#0b2435;overflow:hidden}.tnm-library-card[hidden]{display:none}.tnm-library-card>summary{display:flex;align-items:center;gap:14px;cursor:pointer;min-height:74px;padding:18px 22px;list-style:none}.tnm-library-card>summary::-webkit-details-marker{display:none}.tnm-site-title{font-size:18px;font-weight:650;flex:1;color:#e8f0f7}.tnm-edition{font-size:12px;white-space:nowrap;border:1px solid #446b62;color:#b1d99b;border-radius:20px;padding:6px 10px}.tnm-card-more{font-size:22px;color:#b1d99b}.tnm-library-card[open] .tnm-card-more{transform:rotate(45deg)}.tnm-card-body{border-top:1px solid #365366;padding:8px 24px 26px;color:#cfdae5;line-height:1.8}.tnm-card-body h3{color:#e4edf4;margin:22px 0 8px}.tnm-card-body .notice{margin:20px 0}.tnm-table-scroll{overflow-x:auto;margin:20px 0;border:1px solid #385669;border-radius:10px}.tnm-table-scroll .doc-table{margin:0;width:100%;min-width:350px}.tnm-table-scroll caption{text-align:left;padding:12px 14px;font-weight:650;color:#b1d99b;background:#163749}.tnm-table-scroll th,.tnm-table-scroll td{text-align:left;vertical-align:top;padding:13px 15px}.tnm-table-scroll tbody th{white-space:nowrap;color:#b1d99b}.tnm-library-head h1{font-size:clamp(32px,5vw,48px)}
@media(max-width:900px){.app-header nav.primary-nav{grid-template-columns:repeat(5,minmax(0,1fr))}.app-header nav .nav-item{padding:10px 4px;gap:5px}}
@media(max-width:600px){.app-header nav .nav-item{flex-direction:column;min-height:58px;font-size:11px;gap:5px}.tnm-library-card>summary{flex-wrap:wrap;padding:17px 15px;gap:9px}.tnm-site-title{font-size:16px;flex-basis:65%}.tnm-edition{font-size:11px}.tnm-card-body{padding:6px 16px 22px}.tnm-library-intro{padding:20px}.tnm-home-link{padding:19px}.tnm-home-link strong{font-size:17px}}

.clinical-full-text{margin:16px 0 6px;border-top:1px solid #3b596a;padding-top:12px}.clinical-full-text>summary{cursor:pointer;min-height:44px;padding:10px 0;color:#b1d99b;font-weight:650}.clinical-full-text[open]>summary{margin-bottom:8px}.clinical-full-text .clinical-copy{margin-top:10px}
@media print{.clinical-full-text:not([open])>*{display:block}.clinical-full-text>summary{display:none}}

/* Short, optional transitions; keep question navigation anchored to its content. */
.questionbox{scroll-margin-top:18px}.choice,.btn,.answer-image-open{transition:background-color .12s ease,border-color .12s ease}.btn:active,.answer-image-open:active{filter:brightness(1.08)}.steps button[aria-current="step"]{outline-offset:3px}.questionbox h1[tabindex="-1"]:focus{outline:none}
@media(prefers-reduced-motion:no-preference){.questionbox{animation:question-arrive .14s ease-out}@keyframes question-arrive{from{opacity:.75;transform:translateY(4px)}to{opacity:1;transform:none}}}
@media(max-width:760px){#question-form>.actions{position:sticky;bottom:0;z-index:4;margin-left:-10px;margin-right:-10px;padding:12px 10px calc(12px + env(safe-area-inset-bottom));background:#031d32;border-top:1px solid #29485c}#question-form>.actions .btn{min-height:48px}.questionbox{scroll-margin-top:10px}}
/* Private session activity and a clear next step after reports. */
.activity-home{margin:24px 0 36px;padding:25px;border:1px solid #345869;border-radius:18px;background:#0c2839}.activity-home .sectiontop{align-items:center}.activity-home .eyebrow{margin-bottom:9px;font-size:10px}.activity-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:20px 0}.activity-kpi{background:#102e40;border:1px solid #345466;border-radius:14px;padding:22px;min-width:0}.activity-kpi strong{display:block;color:#b1d99b;font-size:clamp(30px,4vw,44px);font-weight:650;line-height:1.2;margin-bottom:10px;font-variant-numeric:tabular-nums}.activity-kpi span{display:block;font-size:14px;line-height:1.5;color:#d4dfe8}.activity-panel,.activity-empty{border:1px solid #345466;border-radius:18px;background:#0c2839;padding:28px;margin:24px 0}.activity-panel h2,.activity-empty h2{margin-top:0;font-size:23px}.activity-panel p,.activity-panel li,.activity-empty p{color:#c3d1df;line-height:1.8}.activity-panel li{margin-bottom:12px}.activity-region{margin:26px 0}.activity-region>div{display:flex;justify-content:space-between;gap:15px;margin-bottom:10px}.activity-region span{color:#c3d1df;font-size:14px}.activity-region meter{display:block;width:100%;height:17px;appearance:none}.activity-region meter::-webkit-meter-bar{background:#243f50;border:0;border-radius:20px}.activity-region meter::-webkit-meter-optimum-value{background:#a7d895;border-radius:20px}.activity-region meter::-moz-meter-bar{background:#a7d895;border-radius:20px}.report-next{display:flex;align-items:center;flex-wrap:wrap;gap:18px;padding:24px;border:1px solid #3b635d;background:#11383e;border-radius:16px;margin:25px 0}.report-next>div{flex:1;min-width:220px}.report-next h2{margin:0 0 8px;font-size:22px}.report-next p{margin:0;line-height:1.7;color:#c4d5de}
@media(max-width:700px){.activity-kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.activity-kpi{padding:17px}.activity-kpi span{font-size:13px}.activity-home,.activity-panel,.activity-empty{padding:20px}.activity-home .sectiontop{align-items:flex-start;flex-direction:column;gap:12px}.activity-region>div{flex-direction:column;gap:5px}.report-next .btn{width:100%}}

/* Approved original logo with background-only alpha mask. */
.app-header .brand-mark{width:280px;height:auto;overflow:visible;display:block}
.app-header .reference-logo{position:static;width:100%;max-width:100%;height:auto;object-fit:contain;flex:none}
@media(max-width:1100px) and (min-width:901px){header.app-header{gap:18px}.app-header .brand-mark{width:250px}.app-header nav .nav-item{padding:10px 11px}}
@media(max-width:900px){.app-header .brand-mark{width:min(280px,calc(100vw - 132px));height:auto}}

/* Clinical cover using existing checklist images without cropping annotations. */
.cover-layout .reference-hero.clinical-cover{background:#06121c;border:1px solid #355465;display:flex;flex-direction:column;overflow:hidden;align-self:center}
.clinical-cover-top{display:flex;justify-content:space-between;gap:14px;padding:20px 22px;color:#addbaf;font-size:11px;letter-spacing:.12em;font-weight:650}
.clinical-cover-top span:last-child{color:#a5b9c5;font-size:9px}
.clinical-cover-images{display:grid;grid-template-columns:1fr;gap:0;background:#000}
.clinical-cover-images figure{margin:0;min-width:0;border-top:1px solid #233744}
.clinical-cover-images button{border:0;padding:0;width:100%;display:block;background:#000;cursor:zoom-in}
.clinical-cover-images img{display:block;width:100%;height:clamp(170px,15vw,210px);object-fit:contain}
.clinical-cover-images figcaption{background:#0a1e2c;padding:9px 16px;color:#cad9e2;font-size:11px}
.clinical-cover-note{padding:13px 18px;margin:0;color:#a6bbc8;font-size:10px;line-height:1.6}
@media(max-width:760px){.clinical-cover-images{grid-template-columns:1fr 1fr}.clinical-cover-images figure+figure{border-left:1px solid #233744}.clinical-cover-images img{height:155px}.clinical-cover-top{padding:16px}.clinical-cover-images figcaption{font-size:10px;padding:9px 10px}.clinical-cover-note{font-size:10px}}

/* Approved radiology-inspired cover; preserve scalp and cervical region. */
.cover-layout .reference-hero.radiology-portrait{background:#0b1724;align-self:center}
.cover-layout .reference-hero.radiology-portrait>img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;display:block}
@media(max-width:760px){.cover-layout .reference-hero.radiology-portrait>img{height:auto;aspect-ratio:1/1;object-fit:contain}.radiology-portrait .hero-label{padding-top:45px}}

/* Quieter cover: retain the approved image without a simulated lesion. */
.cover-layout .reference-hero.radiology-portrait{width:min(100%,340px);justify-self:center;margin-inline:auto}
@media(max-width:760px){.cover-layout .reference-hero.radiology-portrait{width:min(100%,280px)}}


.report-document{max-width:900px;margin:24px auto;padding:36px;background:#fff;color:#183040;border:1px solid #d8e1e7;border-radius:16px}.report-document h2,.report-document h3{color:#17364a}.report-document-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:3px solid #70b788;padding-bottom:20px}.report-document-head strong{font-size:22px;letter-spacing:.06em}.report-document-head span{font-size:12px;color:#526978}.report-summary{padding:20px;background:#edf5f1;border-left:4px solid #68a57c;margin:24px 0}.report-summary p{line-height:1.7;font-size:14px;white-space:normal}.report-answers>div{display:grid;grid-template-columns:minmax(130px,1fr) 2fr;gap:20px;border-bottom:1px solid #dce6eb;padding:13px 0}.report-answers dt{font-weight:650;font-size:13px}.report-answers dd{margin:0;font-size:14px;white-space:pre-wrap}.report-context{font-size:12px;margin-top:25px}.report-limit{font-size:12px;color:#526978;border-top:1px solid #dce6eb;padding-top:18px;margin-top:25px}.report-delivery{padding:20px;border-radius:14px;border:1px solid #496d76;background:#102e40}.report-delivery:empty{display:none}.mail-consent{display:flex;align-items:flex-start;gap:14px;line-height:1.6;margin:22px 0;font-size:14px}.mail-consent input{margin-top:5px;width:20px;height:20px;flex-shrink:0}.report-delivery button{margin-top:12px}@media(max-width:600px){.report-document{padding:22px 18px}.report-answers>div{grid-template-columns:1fr;gap:6px}}@media print{.report-document{border:0;margin:0;padding:0;color:#000;max-width:none}.report-document-head,.report-answers>div{break-inside:avoid}.report-summary{background:#f1f5f3}.report-context{display:none}body{background:#fff!important}}

/* Larger desktop portrait; retain the approved mobile proportions. */
@media(min-width:761px){.cover-layout .reference-hero.radiology-portrait{width:min(100%,460px)}}
.pwa-update-banner{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:1000;width:min(620px,calc(100% - 28px));padding:18px 20px;background:#173b43;border:1px solid #9acb9c;border-radius:16px;box-shadow:0 8px 35px #0006;display:flex;align-items:center;gap:18px;color:#f1f7f4}.pwa-update-banner p{margin:0;flex:1;font-size:13px;line-height:1.6}.pwa-update-banner[hidden]{display:none}.pwa-update-banner .btn{flex-shrink:0}@media(max-width:600px){.pwa-update-banner{flex-direction:column;align-items:stretch;gap:12px}}@media print{.pwa-update-banner{display:none!important}}

/* Mejoras UX: sin anillo blanco en el contenedor enfocado por código, color-scheme oscuro y estabilidad de carga */
#main:focus{outline:none}
:root{color-scheme:dark}
.reference-hero>img{aspect-ratio:auto}
@media(max-width:760px){.nav-item,.lang button,.btn,.textbtn{min-height:44px}}

/* Portada integrada: sin tarjeta; la ilustración se funde con el fondo */
.cover-layout .reference-hero.radiology-portrait{background:transparent;border:0;box-shadow:none;border-radius:0;overflow:visible;width:min(100%,560px);justify-self:end;margin:0}
.cover-layout .reference-hero.radiology-portrait>img{aspect-ratio:1/1;object-fit:cover;-webkit-mask-image:radial-gradient(ellipse 54% 56% at 52% 46%,#000 52%,transparent 100%);mask-image:radial-gradient(ellipse 54% 56% at 52% 46%,#000 52%,transparent 100%)}
.cover-layout .reference-hero.radiology-portrait .hero-label{position:static;background:none;padding:0;margin-top:-34px;justify-content:center;gap:18px;position:relative}
.cover-layout{position:relative}
.cover-layout::before{content:"";position:absolute;inset:-10% -5% -10% 35%;background:radial-gradient(ellipse at 62% 45%,#12385233,transparent 65%);pointer-events:none;z-index:-1}
@media(max-width:900px){.cover-layout .reference-hero.radiology-portrait{justify-self:center;width:min(100%,420px);margin-top:-8px}.cover-layout::before{inset:20% -10% -5% -10%}}