:root{color-scheme:dark;--bg:#151619;--surface:#1c1e22;--line:#303237;--muted:#a9adb5;--text:#f5f4f1;--accent:#ed444a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sbs-body),Arial,sans-serif;font-size:14px}button,a,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}a{color:inherit}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid #ff777c;outline-offset:4px}[hidden]{display:none!important}
.classroom-header{height:84px;padding:12px clamp(20px,4vw,64px);display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line)}.classroom-brand img{width:90px;height:58px;object-fit:contain;object-position:left}.course-identity{display:grid;gap:5px;border-left:1px solid var(--line);padding-left:26px}.course-identity strong{font-size:14px;font-weight:600}.course-identity span{color:var(--muted);font-size:12px}.enrol-link{display:inline-flex;gap:25px;align-items:center;justify-content:center;padding:12px 18px;border:1px solid #55565c;border-radius:0;text-decoration:none;font-weight:600;font-size:13px}.classroom-header>.enrol-link{margin-left:auto}.enrol-link:hover{background:#292b30;border-color:#888}.enrol-link span{color:var(--accent)}
.classroom{max-width:1512px;margin:auto;padding:28px clamp(20px,4vw,64px) 48px}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.eyebrow{color:var(--accent);font-size:10px;font-weight:700;letter-spacing:1.6px;margin:0 0 8px}.page-heading h1{font-size:32px;letter-spacing:-1px;line-height:1.12;margin:0;font-weight:600}.page-heading>p{font-size:12px;color:var(--muted);margin:0 0 3px}.classroom-grid{display:grid;grid-template-columns:minmax(0,1fr) 328px;gap:28px;align-items:start}.lesson{min-width:0}.video-stage{position:relative;aspect-ratio:16/9;background:#08090b;border-radius:0;overflow:hidden}.video-cover{display:block;width:100%;height:100%;object-fit:cover}.video-launch{position:absolute;inset:0;border:0;background:#0003;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:17px;text-align:center;font-size:16px;font-weight:600;text-shadow:0 2px 8px #000}.video-launch:hover{background:#0001}.play-disc{width:68px;height:68px;display:grid;place-items:center;border-radius:0;background:#dc2f32;color:#fff;font-size:24px;padding-left:4px;box-shadow:0 4px 30px #0005}.video-launch small{display:block;font-size:12px;font-weight:400;margin-top:5px}.video-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.lesson-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:22px}.lesson-heading .eyebrow{font-size:9px;margin-bottom:7px}.lesson-heading h2{font-size:25px;line-height:1.2;letter-spacing:-.65px;font-weight:600;margin:0}.preview-label{color:var(--muted);font-size:11px;white-space:nowrap}.lesson-description{font-size:14px;line-height:1.6;color:var(--muted);max-width:690px;margin:10px 0 20px}.lesson-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line)}.lesson-tabs button{border:0;border-bottom:2px solid transparent;padding:11px 0 13px;background:none;color:var(--muted);font-size:13px;white-space:nowrap}.lesson-tabs button[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent)}.lesson-tabs button:hover{color:#fff}.lesson-tabs button span{margin-left:5px;font-size:10px;color:var(--muted)}.tab-panel{padding-top:20px}.learning-points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.learning-points li{display:flex;gap:11px}.learning-points li>span{font-size:11px;color:#858a93;padding-top:2px}.learning-points strong{font-size:12px;font-weight:600}.learning-points p{color:var(--muted);font-size:12px;line-height:1.55;margin:7px 0 0}
.course-outline{border:1px solid var(--line);border-radius:0;overflow:hidden;background:var(--surface)}.outline-heading{padding:21px 20px 17px}.outline-heading h2{font-size:18px;letter-spacing:-.3px;margin:0 0 7px;font-weight:600}.outline-heading p{color:var(--muted);font-size:12px;margin:0}.current-lesson{display:flex;align-items:center;gap:11px;margin:0 12px 10px;padding:14px 10px;background:#292123;border-radius:0}.current-dot{height:6px;width:6px;border-radius:0;background:var(--accent);flex:none}.current-lesson div{display:grid;gap:5px}.current-lesson small{font-size:8px;letter-spacing:1.2px;color:var(--accent)}.current-lesson strong{font-size:12px;font-weight:500}.sample-tag{margin-left:auto;font-size:10px;color:var(--muted)}.module-list{padding:0 20px;max-height:390px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#4a4d55 transparent}.module-item{border-bottom:1px solid var(--line)}.module-item:last-child{border-bottom:0}.module-item summary{display:flex;gap:12px;align-items:center;cursor:pointer;list-style:none;padding:12px 0;font-size:12px;line-height:1.4;min-height:43px}.module-item summary::-webkit-details-marker{display:none}.module-item summary:hover{color:#fff}.module-index{font-size:10px;color:#8f949e;flex:none;width:18px}.module-name{flex:1}.module-plus{color:#9a9da5;font-size:16px;font-weight:400}.module-item[open] .module-plus{transform:rotate(45deg)}.module-detail{color:var(--muted);font-size:12px;line-height:1.6;margin:0 0 14px 30px}.module-detail a{display:inline-block;margin-top:7px;color:#f1f1f1;text-decoration:underline;text-underline-offset:3px}.outline-bottom{padding:17px 20px;border-top:1px solid var(--line)}.outline-bottom p{font-size:11px;color:var(--muted);margin:0 0 12px}.outline-bottom a{display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:600}.outline-bottom a span{color:var(--accent)}.resource-list{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.resource-row{display:flex;align-items:center;gap:13px;text-align:left;border:0;border-bottom:1px solid var(--line);padding:13px 0;background:none}.resource-row:hover{background:#ffffff04}.resource-format{font-size:9px;color:var(--muted);width:42px;flex:none;letter-spacing:.4px}.resource-row strong{font-size:12px;line-height:1.4;font-weight:500;flex:1}.resource-row>span:last-child{color:var(--muted)}.panel-note{color:var(--muted);font-size:11px;line-height:1.6;margin:0 0 10px}.tab-panel label{display:block;font-size:13px;margin-bottom:10px}textarea{width:100%;resize:vertical;background:var(--surface);border:1px solid #42454d;border-radius:0;padding:13px;color:var(--text);font:inherit;line-height:1.6;min-height:100px}#notes-status{margin-top:8px}
dialog{max-width:460px;width:calc(100% - 32px);padding:32px;border:1px solid #42454d;border-radius:0;background:var(--surface);color:var(--text)}dialog::backdrop{background:#000b}dialog h2{font-size:24px;line-height:1.2;padding-right:15px}dialog>p:not(.eyebrow){font-size:13px;line-height:1.65;color:var(--muted)}.dialog-close{position:absolute;right:12px;top:10px;background:none;border:0;font-size:26px;color:var(--muted)}dialog .enrol-link{margin-top:12px}.sbs-site-footer{margin-top:0}
@media(min-width:1400px){.module-list{max-height:460px}}
@media(max-width:1050px){.classroom-grid{grid-template-columns:minmax(0,1fr) 290px;gap:20px}.classroom{padding-left:24px;padding-right:24px}.page-heading h1{font-size:29px}.learning-points{grid-template-columns:1fr;gap:14px}.learning-points p{margin-top:3px}.lesson-heading h2{font-size:23px}.module-list{max-height:360px}}
@media(max-width:760px){.classroom-header{height:72px;padding:9px 18px;gap:15px}.classroom-brand img{width:66px;height:49px}.course-identity{padding-left:15px;gap:4px}.course-identity strong{font-size:11px;max-width:150px}.course-identity span{font-size:10px}.classroom-header>.enrol-link{font-size:11px;padding:9px 10px;gap:8px}.classroom{padding:23px 18px 32px}.page-heading{display:block;margin-bottom:19px}.page-heading h1{font-size:29px}.page-heading>p{margin-top:10px;font-size:11px}.classroom-grid{display:flex;flex-direction:column;gap:28px}.lesson,.course-outline{width:100%}.video-stage{border-radius:0}.play-disc{width:52px;height:52px;font-size:19px}.video-launch{gap:10px;font-size:13px}.video-launch small{font-size:10px}.lesson-heading{margin-top:19px;gap:8px}.lesson-heading h2{font-size:23px}.preview-label{display:none}.lesson-description{font-size:13px;line-height:1.6;margin-bottom:15px}.lesson-tabs{gap:24px}.lesson-tabs button{font-size:12px}.tab-panel{padding-top:18px}.resource-list{grid-template-columns:1fr}.module-list{max-height:340px}.learning-points{gap:16px}.learning-points strong{font-size:13px}.learning-points p{font-size:12px}}
@media(min-width:761px){.classroom{max-width:1360px;padding-top:20px}.classroom-header{height:72px}.classroom-brand img{height:52px}.page-heading{margin-bottom:18px}.page-heading h1{font-size:29px}.video-stage{width:100%;height:clamp(280px,calc(100vh - 430px),480px);aspect-ratio:auto}.video-cover{object-fit:contain}.lesson-heading{margin-top:16px}.lesson-description{margin-bottom:12px}.tab-panel{padding-top:15px}.module-list{max-height:calc(100vh - 390px)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Classroom materials: visible tools, a clear lesson and a compact progress rail. */
.start-countdown{display:flex;align-items:center;gap:22px;padding:13px 18px;margin-bottom:22px;border:1px solid #463037;border-radius:0;background:#221c20}.start-countdown>div:first-child{display:grid;gap:5px}.start-countdown .eyebrow{margin:0;font-size:8px}.start-countdown strong{font-size:15px}.start-countdown>p{color:var(--muted);font-size:12px;margin:0}.countdown-value{margin-left:auto;display:flex;align-items:center;gap:11px}.countdown-value strong{font-size:29px;color:#ff6670;font-variant-numeric:tabular-nums}.countdown-value span{font-size:11px;color:#d0c3c7;max-width:80px}.learning-plan{display:block!important;align-self:start;background:#1c201f;border:1px solid #343c38;border-radius:0;overflow:hidden;--plan-green:#24d498}.plan-heading{padding:19px 18px 14px;border-bottom:1px solid #343c38}.plan-heading>div{display:flex;justify-content:space-between;align-items:center;gap:10px}.plan-heading h2{font-size:14px;letter-spacing:-.3px;margin:0}.plan-heading strong{color:var(--plan-green);font-size:11px;white-space:nowrap}.plan-heading progress{appearance:none;width:100%;height:5px;display:block;border:0;border-radius:0;overflow:hidden;margin:13px 0 10px;background:#38413d}.plan-heading progress::-webkit-progress-bar{background:#38413d}.plan-heading progress::-webkit-progress-value{background:var(--plan-green)}.plan-heading progress::-moz-progress-bar{background:var(--plan-green)}.plan-heading p{font-size:10px;line-height:1.5;margin:0;color:#a9b5ae}.plan-scroll{padding:6px 13px 18px 22px;max-height:530px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#4a554f transparent}.plan-section-label{font-size:9px;letter-spacing:1px;font-weight:600;color:#b6c2bb;padding:19px 0 15px 16px;position:relative}.plan-section-label:before{content:'';position:absolute;left:-4px;top:21px;width:6px;height:6px;background:#56635c;border-radius:0}.plan-step{position:relative;padding:0 0 14px 18px;border-left:2px solid #354139}.plan-step.current{border-left-color:var(--plan-green)}.step-node{position:absolute;left:-11px;top:21px;width:20px;height:20px;border:2px solid #445149;border-radius:0;background:#1c201f;display:grid;place-items:center;color:#8e9c93;font-size:10px;font-weight:600}.current .step-node{background:var(--plan-green);border-color:var(--plan-green);color:#10261e}.completed .step-node{background:#143e2d;color:#65edba}.plan-card{display:flex;align-items:center;gap:10px;padding:10px 8px;border-radius:0;background:#232825;min-height:80px}.current .plan-card{background:#2b3530}.plan-card:hover{background:#303b34}.plan-card img{width:58px;height:43px;border-radius:0;object-fit:cover;flex:none}.plan-card>div{display:grid;gap:6px;min-width:0}.plan-card strong{font-size:11px;line-height:1.35;font-weight:600;color:#d8e1db}.plan-card span{font-size:9px;color:#97a99d;line-height:1.4}.current .plan-card span{color:var(--plan-green)}#complete-welcome{display:block;width:100%;padding:9px 6px;margin-top:7px;border:1px solid #485d50;border-radius:0;background:transparent;color:#c2d9cb;font-size:10px}#complete-welcome:disabled{opacity:.45;cursor:default}.learning-plan #module-list{padding:0;max-height:none;overflow:visible}.learning-plan .outline-bottom{border-top-color:#343c38}.learning-plan .outline-bottom a span{color:var(--plan-green)}.preview-sheet{background:#f2f0e9;color:#24282b;padding:22px;border-radius:0;margin:18px 0}.preview-sheet>span{font-size:10px;letter-spacing:1px;color:#6f7377}.preview-sheet h3{font-size:20px;line-height:1.2;margin:9px 0 15px}.preview-sheet p,.preview-sheet li{font-size:13px;line-height:1.6}.preview-sheet ol{padding-left:18px}.preview-sheet li{margin-bottom:9px}.canvas-preview{display:grid;grid-template-columns:1fr 1fr;gap:10px}.canvas-preview>div{border:1px solid #c9cdc9;padding:12px;border-radius:0}.canvas-preview strong{font-size:12px}.canvas-preview p{font-size:11px;margin-bottom:0}.diagnosis-map{display:grid;gap:10px;margin:20px 0}.diagnosis-map>div{border-left:3px solid #69adff;background:#242e3c;padding:13px;display:grid;grid-template-columns:30px 1fr;gap:5px}.diagnosis-map b{grid-row:1/3;color:#69adff}.diagnosis-map span{font-size:12px;color:#b6c4d9}.preview-sheet summary{cursor:pointer;color:#a5262c;font-size:13px}
@media(max-width:760px){.start-countdown{padding:12px;gap:12px;margin-bottom:20px}.start-countdown>p{display:none}.start-countdown strong{font-size:12px}.countdown-value strong{font-size:27px}.countdown-value span{font-size:10px;max-width:67px}.learning-plan{width:100%}.plan-scroll{max-height:520px}.plan-card strong{font-size:12px}.plan-card span{font-size:10px}}
.classroom{max-width:1560px;padding:26px 36px 36px}.classroom-grid{grid-template-columns:minmax(0,1fr) 306px;gap:24px}.lesson-visual{display:grid;grid-template-columns:minmax(210px,.8fr) minmax(0,1.3fr);gap:26px;align-items:center;margin-bottom:28px}.lesson-title h1{font-size:clamp(25px,2.55vw,39px);line-height:1.08;letter-spacing:-1.15px;margin:12px 0 15px}.lesson-title h1 em{display:block;color:var(--accent);font-style:normal;margin-top:5px}.lesson-title>p:not(.eyebrow){font-size:13px;line-height:1.6;color:#b6bac3;margin:0 0 18px}.lesson-title .eyebrow{font-size:9px;letter-spacing:1.2px}.lesson-facts{display:flex;gap:20px;margin-bottom:18px}.lesson-facts span{display:grid;gap:4px;color:var(--muted);font-size:10px}.lesson-facts b{font-size:12px;color:#eceef1;font-weight:600}.lesson-title .preview-label{display:block;font-size:10px}.lesson-visual .video-stage{width:100%;height:auto;aspect-ratio:16/10;max-height:none}.lesson-visual .video-cover{object-fit:cover}.video-launch{font-size:13px;gap:12px}.video-launch small{font-size:10px}.play-disc{width:58px;height:58px;font-size:21px}
@media(min-width:1151px) and (max-height:800px){.lesson-visual .video-stage{height:280px;aspect-ratio:auto}.lesson-title h1{font-size:30px}.lesson-visual{margin-bottom:20px}.lesson-title>p:not(.eyebrow){margin-bottom:12px}.lesson-facts{margin-bottom:12px}}
.resources-showcase{border-top:1px solid var(--line);padding-top:22px}.resources-heading{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:17px}.resources-heading h2{font-size:23px;line-height:1.2;letter-spacing:-.6px;margin:0}.resources-heading .eyebrow{font-size:9px;margin-bottom:7px}.resources-heading>span{font-size:11px;color:var(--muted);white-space:nowrap}.resource-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.resource-card{--resource-color:#ff535c;--resource-tint:#422128;display:flex;flex-direction:column;align-items:flex-start;text-align:left;min-width:0;min-height:232px;padding:16px 13px 12px;border:1px solid #36383e;border-radius:0;background:#1d1f24;position:relative;transition:transform .18s,border-color .18s,background .18s;overflow:hidden}.resource-card:before{content:'';height:3px;background:var(--resource-color);position:absolute;top:0;left:0;right:0;opacity:.7}.resource-card:hover{transform:translateY(-4px);border-color:var(--resource-color);background:#24262c}.resource-audio{--resource-color:#b087ff;--resource-tint:#34284b}.resource-map{--resource-color:#69adff;--resource-tint:#233750}.resource-template{--resource-color:#50d4a2;--resource-tint:#213e35}.resource-quiz{--resource-color:#f5c36c;--resource-tint:#413627}.resource-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:0;background:var(--resource-tint);color:var(--resource-color);margin:2px 0 13px}.resource-icon svg{width:25px;height:25px}.resource-card .resource-format{width:auto;color:var(--resource-color);font-size:10px;letter-spacing:.2px;margin-bottom:7px}.resource-card>strong{color:#f5f5f6;font-size:13px;font-weight:650;line-height:1.3;min-height:34px}.resource-description{font-size:11px;line-height:1.5;color:#adb3be;margin:9px 0 14px}.resource-cta{display:flex;width:100%;justify-content:space-between;align-items:center;gap:5px;margin-top:auto;padding-top:11px;border-top:1px solid #ffffff12;color:#ededf0;font-size:10px;font-weight:600}.resource-cta>span{color:var(--resource-color);font-size:16px}.resource-demo-note{font-size:10px;line-height:1.5;color:#949ba6;margin:10px 0 0}
.course-rail{min-width:0;display:grid;gap:16px}.progress-panel{padding:18px;background:#1c1e22;border:1px solid var(--line);border-radius:0}.progress-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}.progress-header h2{font-size:16px;margin:0;letter-spacing:-.25px}.progress-header>span{font-size:9px;color:#9ca3ad}.progress-body{display:flex;align-items:center;gap:17px}.progress-donut{height:94px;width:94px;flex:none;border-radius:0;background:conic-gradient(#ef444d 25%,#353b45 0);display:grid;place-items:center;position:relative}.progress-donut:before{content:'';position:absolute;inset:8px;background:#1c1e22;border-radius:0}.progress-donut strong{position:relative;font-size:29px;letter-spacing:-1px}.progress-donut small{font-size:17px}.progress-copy>strong{font-size:12px}.progress-copy p{font-size:11px;line-height:1.5;color:var(--muted);margin:7px 0 10px}.progress-legend{display:grid;gap:5px}.progress-legend span{font-size:9px;color:var(--muted)}.progress-legend span:before{content:'';display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:0;margin-right:7px}.progress-legend span+span:before{background:#58606d}.outline-heading{padding:16px}.outline-heading h2{font-size:16px}.module-list{max-height:290px;padding:0 16px}.module-item summary{font-size:11px;padding:10px 0}.outline-bottom{padding:14px 16px}.outline-bottom a{font-size:11px}.outline-bottom p{font-size:10px}
.notes-workspace{margin-top:20px;padding:16px 18px 10px;background:#1b1d21;border:1px solid var(--line);border-radius:0}.notes-heading{display:flex;align-items:center;gap:12px;margin-bottom:12px}.notes-icon{color:#c4c8d1;display:grid;place-items:center;width:35px;height:35px;background:#2a2d35;border-radius:0;flex:none}.notes-icon svg{width:20px;height:20px}.notes-heading h2{font-size:15px;margin:0 0 4px;letter-spacing:-.2px}.notes-heading p{font-size:11px;color:var(--muted);margin:0}.notes-heading button{margin-left:auto;border:0;background:none;color:#d7d9df;font-size:11px;padding:8px 0 8px 12px}.notes-workspace textarea{min-height:62px;border:1px solid #3b3f48;background:#16181c;font-size:12px;padding:10px 12px}.notes-workspace #notes-status{font-size:9px;margin:6px 0 0}.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}
@media(min-width:1400px){.lesson-visual .video-stage{aspect-ratio:16/9}.resource-card{min-height:226px;padding:18px 16px 13px}.resource-card>strong{font-size:14px}.resource-description{font-size:12px}.module-list{max-height:350px}}
@media(min-width:761px) and (max-width:1150px){.classroom{padding:24px}.classroom-grid{grid-template-columns:minmax(0,1fr) 260px;gap:18px}.lesson-visual{grid-template-columns:1fr;gap:16px}.lesson-title h1{font-size:28px;max-width:520px}.lesson-title h1 em{display:inline}.lesson-title>p:not(.eyebrow),.lesson-facts,.lesson-title .preview-label{display:none}.lesson-visual .video-stage{aspect-ratio:16/8}.resource-list{grid-template-columns:repeat(3,minmax(0,1fr))}.resource-card{min-height:222px}.progress-body{gap:12px}.progress-donut{width:76px;height:76px}.resources-heading>span{display:none}}
@media(max-width:760px){.classroom{padding:22px 18px 30px}.classroom-grid{gap:22px}.lesson-visual{display:flex;flex-direction:column;align-items:stretch;gap:18px;margin-bottom:23px}.lesson-title h1{font-size:32px;line-height:1.07;margin:10px 0 12px}.lesson-title>p:not(.eyebrow){font-size:13px;margin-bottom:12px}.lesson-facts{display:none}.lesson-title .preview-label{display:block}.lesson-visual .video-stage{aspect-ratio:16/9}.resources-showcase{padding-top:19px}.resources-heading h2{font-size:24px;max-width:280px}.resources-heading>span{display:none}.resource-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.resource-card{min-height:240px;padding:17px 14px 13px}.resource-icon{width:45px;height:45px}.resource-card>strong{font-size:14px}.resource-description{font-size:12px}.resource-cta{font-size:11px}.resource-card:last-child{grid-column:1/-1;min-height:160px;display:grid;grid-template-columns:48px 1fr;gap:5px 13px}.resource-card:last-child .resource-icon{grid-row:1/3;margin:0}.resource-card:last-child .resource-format{margin-top:2px}.resource-card:last-child>strong{min-height:0}.resource-card:last-child .resource-description,.resource-card:last-child .resource-cta{grid-column:1/-1}.notes-workspace{padding:15px 13px 10px}.notes-heading{flex-wrap:wrap;gap:10px}.notes-heading button{padding:5px 0;margin-left:45px}.notes-heading p{font-size:10px}.course-rail{width:100%}.progress-panel{padding:19px}.progress-body{gap:24px}.progress-donut{width:96px;height:96px}.progress-copy>strong{font-size:14px}.progress-copy p{font-size:12px}.module-list{max-height:340px}}
/* Quiet SBS palette and practical learning tools. */
.resource-card{--resource-color:#d2b0b2;--resource-tint:#33272b}
.resource-card:before{opacity:.35}.resource-card:hover{border-color:#c75760;background:#262326}
.resource-map{--resource-color:#f07880;--resource-tint:#3a282c}.resource-list{grid-template-columns:repeat(3,minmax(0,1fr))}.resource-card{min-height:196px;display:grid;grid-template-columns:42px 1fr;gap:5px 12px;padding:16px}.resource-card .resource-icon{grid-row:1/3;margin:0;width:40px;height:40px}.resource-card .resource-format{margin:0;padding-top:3px}.resource-card>strong{min-height:0;font-size:13px}.resource-card .resource-description,.resource-card .resource-cta{grid-column:1/-1}.resource-description{margin:7px 0;font-size:11px}.resource-cta{align-self:end}
.learning-plan{--plan-green:#ef626b;background:#201d20;border-color:#3d3237}.plan-heading,.learning-plan .outline-bottom{border-color:#3d3237}.plan-heading progress,.plan-heading progress::-webkit-progress-bar{background:#42373c}.plan-heading p,.plan-section-label{color:#bbaeb4}.plan-scroll{scrollbar-color:#57464f transparent}.plan-step{border-left-color:#47353d}.step-node{background:#201d20;border-color:#58424d;color:#bda9b3}.current .step-node{color:#fff}.completed .step-node{background:#522a32;color:#ffb2b8}.plan-card{background:#292428}.current .plan-card{background:#3b2a30}.plan-card:hover{background:#423038}.plan-card strong{color:#e5dfe2}.plan-card span{color:#b3a3ac}.plan-card img{filter:grayscale(.8) blur(2px);opacity:.6}.current .plan-card img{filter:grayscale(.35);opacity:.9}#complete-welcome{border-color:#61414e;color:#dec1cc}
.sector-lab{margin-top:28px;padding:24px;border:1px solid #393339;border-radius:0;background:#1d1c20}.sector-heading{display:flex;gap:24px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:20px}.sector-heading h2{font-size:25px;margin:0 0 8px;letter-spacing:-.6px}.sector-heading p:not(.eyebrow){font-size:12px;color:var(--muted);margin:0}.sector-heading label{display:grid;gap:7px;font-size:10px;color:var(--muted);min-width:245px}.sector-heading select{width:100%;padding:11px 12px;border:1px solid #61505b;border-radius:0;background:#272229;color:#eee;font:inherit;font-size:12px}.sector-lab h3{font-size:18px;margin:0 0 9px}.case-context{font-size:13px;line-height:1.6;max-width:850px;color:#b9b1b9;margin-bottom:21px}.sector-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.sector-grid>div{border-left:2px solid #7b3d46;padding-left:13px}.sector-grid span{font-size:9px;letter-spacing:1px;color:#e7959c}.sector-grid p{font-size:12px;line-height:1.6;color:#c1bac2;margin-bottom:0}
dialog{max-height:90vh;overflow:auto}dialog.image-dialog{max-width:1200px;width:calc(100% - 40px)}dialog.study-dialog{max-width:680px}.infographic-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:12px;padding:14px 0;color:var(--muted)}.infographic-toolbar a{color:#ff9ba3;text-decoration:underline;text-underline-offset:3px}.infographic-link{display:block;background:#f5f4f3;border-radius:0;overflow:hidden;cursor:zoom-in}.infographic-link img{width:100%;height:auto}.glossary-list{margin:22px 0}.glossary-list>div{padding:14px 0;border-bottom:1px solid #3d363d}.glossary-list dt{font-size:14px;color:#efafb4;font-weight:600}.glossary-list dd{font-size:13px;line-height:1.6;color:#c1bbc4;margin:7px 0 0}#review-form fieldset{padding:16px 0;margin:15px 0;border:0;border-bottom:1px solid #3d363d}#review-form legend{font-size:14px;line-height:1.5;padding:0}#review-form legend span{color:#ed838d;margin-right:10px}#review-form label{display:flex;align-items:start;gap:10px;font-size:12px;line-height:1.6;margin:10px 0;padding:10px;background:#262329;border-radius:0}#review-form input{accent-color:#dc2f32;margin-top:4px}.review-explanation{font-size:12px;line-height:1.6;color:#e5bfc4;padding:12px;background:#392930;border-radius:0}#review-score{font-size:13px;line-height:1.5;color:#eee}
@media(max-width:1050px){.sector-grid{grid-template-columns:1fr 1fr}.resource-list{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.resource-list{grid-template-columns:1fr 1fr}.resource-card,.resource-card:last-child{grid-column:auto;display:flex;min-height:218px;padding:14px;gap:5px}.resource-card .resource-icon{margin-bottom:5px}.resource-card>strong{font-size:13px}.resource-description{font-size:11px}.resource-cta{font-size:10px;margin-top:auto}.sector-lab{padding:18px;margin-top:23px}.sector-heading{display:block}.sector-heading h2{font-size:23px}.sector-heading label{margin-top:16px}.sector-grid{grid-template-columns:1fr;gap:17px}.sector-heading p:not(.eyebrow){line-height:1.6}.infographic-toolbar{display:grid}dialog.image-dialog{width:calc(100% - 20px);padding:24px 14px}.infographic-link{overflow:auto}.infographic-link img{min-width:720px;max-width:none}dialog.study-dialog{padding:26px 18px}}
/* Compact resource shelf and live countdown. */
.resource-list{grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}
.resource-card{display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-height:166px;padding:14px 11px}
.resource-card .resource-icon{width:35px;height:35px;margin:0 0 3px}.resource-icon svg{width:21px;height:21px}
.resource-card .resource-format{font-size:9px;padding:0}.resource-card>strong{font-size:12px;line-height:1.35}
.resource-card .resource-description{display:none}.resource-card .resource-cta{margin-top:auto;padding-top:9px;font-size:9px}
.resource-demo-note{font-size:9px;max-width:760px;line-height:1.5}
.start-countdown{padding:17px 24px;background:#221c20;border-color:#5a343d;gap:25px}
.start-countdown>div:first-child{gap:9px}.start-countdown>div:first-child>strong{font-size:20px;letter-spacing:-.4px}
.countdown-clock{margin-left:auto;display:flex;align-items:center;gap:24px}
#countdown-caption{font-size:9px;letter-spacing:1.1px;color:#bba3ac;max-width:130px;line-height:1.6}
.countdown-units{display:flex;align-items:center;gap:10px}
.countdown-units>div{display:grid;justify-items:center;gap:7px;min-width:58px}
.countdown-units strong{font-size:31px;font-weight:650;font-variant-numeric:tabular-nums;line-height:1;color:#faf3f4;letter-spacing:1px}
.countdown-units>div:last-child strong{color:#f16e78}
.countdown-units span{font-size:8px;letter-spacing:1.3px;color:#bca4ad}.countdown-units i{font-style:normal;color:#83515f;font-size:20px;padding-bottom:16px}
.sector-lab{padding:20px 24px}.sector-heading{padding-bottom:15px;margin-bottom:15px}.sector-heading h2{font-size:22px}
.case-summary{display:flex;align-items:baseline;gap:25px;justify-content:space-between}
.case-summary h3{font-size:15px;margin:0;flex:1}.case-summary>p{font-size:12px;color:#c1b7c0;max-width:55%;line-height:1.6;margin:0}
.case-details{margin-top:13px}.case-details summary{font-size:11px;color:#eda0a9;cursor:pointer;list-style:none;display:flex;gap:13px;align-items:center;width:fit-content;padding:5px 0}.case-details summary::-webkit-details-marker{display:none}.case-details summary span{font-size:17px}.case-details[open] summary span{transform:rotate(45deg)}
.case-details .sector-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(min-width:761px) and (max-width:1100px){.resource-list{grid-template-columns:repeat(3,minmax(0,1fr))}.resource-card{min-height:155px}.countdown-clock{gap:13px}#countdown-caption{display:none}}
@media(max-width:760px){.resource-list{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding:3px 0 10px;gap:10px}.resource-card,.resource-card:last-child{flex:0 0 145px;min-height:176px;scroll-snap-align:start;padding:14px;display:flex}.resource-card .resource-description{display:none}.resource-card>strong{font-size:12px}.resource-card .resource-cta{font-size:9px}.start-countdown{display:block;padding:16px}.start-countdown>div:first-child>strong{font-size:18px}.countdown-clock{margin:17px 0 0;display:block}#countdown-caption{display:block;font-size:8px;max-width:none;margin-bottom:12px}.countdown-units{justify-content:space-between;gap:5px}.countdown-units>div{min-width:42px}.countdown-units strong{font-size:29px}.countdown-units i{font-size:17px}.countdown-units span{font-size:7px}.sector-lab{padding:18px}.sector-heading h2{font-size:21px}.case-summary{display:block}.case-summary>p{max-width:none;margin-top:9px}.case-details .sector-grid{grid-template-columns:1fr}.resource-list:focus-visible{outline:2px solid #ed838d;outline-offset:3px}}

/* Grouped materials and a single edition call to action. */
.start-countdown{justify-content:flex-start;gap:28px;padding:20px 24px}
.start-countdown>div:first-child{flex:0 1 auto;max-width:450px}
.start-countdown>div:first-child>strong{font-size:18px;line-height:1.4}
#start-date-label{white-space:nowrap;color:#fff}
.countdown-clock{margin-left:0;gap:14px;border-left:1px solid #62404b;padding-left:24px}
#countdown-caption{max-width:none;font-size:8px}
.countdown-units{gap:7px}.countdown-units>div{min-width:42px}.countdown-units strong{font-size:27px}
.countdown-action{margin-left:auto;border:1px solid #b24450;background:#a92e3c;border-radius:0;padding:13px 16px;font-size:11px;font-weight:600;white-space:nowrap;display:flex;gap:15px;align-items:center}
.countdown-action:hover{background:#c23847}.countdown-action:focus-visible{outline:2px solid #fff;outline-offset:4px}
.resource-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;overflow:visible;padding:0}
.resource-group{--group-color:#a8bddc;--group-tint:#26303e;min-width:0;padding:11px 8px 8px;background:#a8bddc06;border:1px solid #a8bddc25;border-radius:0}
.group-multimedia{--group-color:#c1ade0;--group-tint:#322b40;border-color:#c1ade025;background:#c1ade006}
.group-practice{--group-color:#e69c9f;--group-tint:#3e2b30;border-color:#e69c9f25;background:#e69c9f06}
.resource-group h3{font-size:10px;font-weight:600;letter-spacing:.6px;margin:0 3px 11px;color:var(--group-color);display:flex;align-items:center;gap:7px}
.resource-group h3:before{content:'';width:5px;height:5px;border-radius:0;background:var(--group-color)}
.resource-group-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.resource-group .resource-card{--resource-color:var(--group-color);--resource-tint:var(--group-tint);width:100%;min-width:0;min-height:165px;padding:12px 9px;flex-direction:column;gap:7px}
.resource-group .resource-card:hover{border-color:var(--group-color)}
@media(min-width:761px) and (max-width:1150px){.start-countdown{flex-wrap:wrap;gap:18px}.countdown-action{margin-left:0}.resource-group-cards{grid-template-columns:1fr}.resource-group .resource-card{min-height:150px}}
@media(max-width:760px){.start-countdown{display:flex;flex-direction:column;align-items:stretch;gap:17px;padding:18px}.start-countdown>div:first-child>strong{font-size:18px}.start-countdown .eyebrow{font-size:8px;line-height:1.5}.countdown-clock{margin:0;border:0;border-top:1px solid #62404b;padding:15px 0 0}.countdown-units{justify-content:space-between}.countdown-action{margin:0;justify-content:space-between}.resource-list{display:flex;overflow-x:auto;gap:10px;scroll-snap-type:x mandatory;padding-bottom:10px}.resource-group{flex:0 0 290px;scroll-snap-align:start}.resource-group .resource-card,.resource-group .resource-card:last-child{min-height:176px;flex:auto;display:flex}.resource-group-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}

.podcast-player{aspect-ratio:16/9;width:100%;margin-top:20px;background:#111;border-radius:0;overflow:hidden}.podcast-player iframe{width:100%;height:100%;border:0}

/* SBS shared brand palette: neutral surfaces, square edges, red actions. */
:root{--bg:var(--sbs-ink);--surface:#202020;--line:#373737;--muted:var(--sbs-muted);--text:var(--sbs-paper);--accent:var(--sbs-red)}
.classroom-header{background:var(--sbs-ink);border-color:var(--line)}
.start-countdown,.learning-plan,.sector-lab,dialog{background:var(--surface);border-color:var(--line)}
.start-countdown{border-left:3px solid var(--sbs-red)}
.countdown-clock{border-color:var(--line)}
#countdown-caption,.countdown-units span,.plan-heading p,.plan-section-label,.plan-card span,.case-context,.case-summary>p,.sector-grid p,.glossary-list dd{color:var(--sbs-muted)}
.countdown-units strong,.plan-card strong{color:var(--sbs-paper)}
.countdown-units>div:last-child strong,.eyebrow,.lesson-title h1 em,.infographic-toolbar a,.sector-grid span,.glossary-list dt{color:var(--sbs-red)}
.countdown-units i{color:#737373}
.countdown-action,.play-disc{background:var(--sbs-red);border-color:var(--sbs-red);color:white}
.countdown-action:hover{background:var(--sbs-red-dark)}
.resource-group{--group-color:#c3cbd4;--group-tint:var(--sbs-navy);background:#1b1b1d;border-color:var(--line)}
.group-multimedia{--group-color:var(--sbs-paper);--group-tint:#343434}
.group-practice{--group-color:#f07072;--group-tint:#382324}
.resource-group .resource-card{background:var(--surface);border-color:var(--line)}
.resource-group .resource-card:hover{background:#292929}
.resource-card>strong,.resource-cta{color:var(--sbs-paper)}
.learning-plan{--plan-green:var(--sbs-red)}
.plan-heading,.learning-plan .outline-bottom{border-color:var(--line)}
.plan-heading progress,.plan-heading progress::-webkit-progress-bar{background:#373737}
.plan-step{border-color:#454545}.step-node{background:var(--surface);border-color:#555;color:var(--sbs-muted)}
.current .step-node,.completed .step-node{background:var(--sbs-red);border-color:var(--sbs-red);color:#fff}
.plan-card{background:#292929}.current .plan-card{background:#302324;border-left:2px solid var(--sbs-red)}.plan-card:hover{background:#343434}
#complete-welcome{border-color:#555;color:var(--sbs-paper)}
.sector-heading select{background:#262626;border-color:#555;color:var(--sbs-paper)}
.sector-grid>div{border-color:var(--sbs-red)}
#review-form label,.preview-sheet{background:#262626}#review-form input{accent-color:var(--sbs-red)}
.review-explanation{background:#302324;color:var(--sbs-paper)}
.preview-sheet,.canvas-preview>div,.glossary-list>div,#review-form fieldset{border-color:var(--line)}
.classroom *, .classroom *::before,.classroom *::after,.classroom-header *,dialog,dialog *{border-radius:0}