:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#263f52;background:#f8faf6;font-synthesis:none;line-height:1.65;font-size:17px;--ink:#263f52;--muted:#526775;--blue:#315f91;--line:#d8e3df;--green:#397a69}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 96% 5%,#eaf1ff,transparent 30%),radial-gradient(ellipse at 0 22%,#fcf1d4,transparent 25%),#f8faf6}button,select,textarea{font:inherit}a{color:#315f91}button,a,select,textarea{touch-action:manipulation}button,a:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:4px}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #cc8032}button{border:1px solid #375f93;border-radius:13px;background:#3a6398;color:white;padding:12px 20px;min-height:46px;font-weight:700;cursor:pointer;transition:transform .18s,box-shadow .18s}button:hover{transform:translateY(-2px);box-shadow:0 5px 0 #234b7120}button:disabled{cursor:default;opacity:.4;transform:none}button.secondary{background:white;color:var(--blue);border-color:#a4bdca}.skip{position:absolute;top:-100px;left:20px;background:white;padding:16px;z-index:5}.skip:focus{top:0}.topbar{max-width:1360px;margin:auto;padding:20px 36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;color:#25415b;text-decoration:none;font-size:1.2rem}.brand b{font-weight:500}.brand-mark{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:linear-gradient(145deg,#183957,#597d99);color:#f6d69c;font-family:Georgia,serif;font-size:1.7rem;box-shadow:0 3px 10px #38506a30}.topbar nav{display:flex;align-items:center;gap:22px;font-size:.85rem}.topbar nav a{text-decoration:none;font-weight:650}.topbar button{padding:7px 12px;background:#fff9;color:#355e75;border-color:#d3e0e2;font-size:.8rem}.demo{border-block:1px solid #d5e3e8;background:#eef5f9d9;padding:11px max(24px,calc((100% - 1288px)/2));font-size:.78rem;color:#415b6c;line-height:1.6}main{max-width:1288px;margin:auto;padding:40px 24px 65px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,3.6vw,3.55rem);line-height:1.12;letter-spacing:-.045em;font-weight:780}h1 em{font-family:Georgia,serif;color:#397a69;font-weight:500}h2{line-height:1.25;letter-spacing:-.02em}h3{line-height:1.4}p{overflow-wrap:anywhere}.eyebrow{font-size:.69rem;font-weight:800;letter-spacing:.12em;color:#54737b}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:center;margin-bottom:38px;padding:20px 0}.hero h1{margin:15px 0 22px}.hero p{max-width:58ch;color:var(--muted)}.hero-art{transform:rotate(1.2deg);border-radius:30px;background:linear-gradient(130deg,#e8f0e4,#edf2fa);padding:22px;border:1px solid #fff;box-shadow:0 15px 40px #587e6812;text-align:center}.hero-art img{width:100%;height:auto}.hero-art>span{font-size:.85rem;display:inline-block;padding:7px 18px;border-radius:30px;background:#fff9;color:#477165;font-weight:700}.pill-row{display:flex;align-items:center;gap:12px}.pill-row span{background:#fff;border:1px solid #d8e4db;border-radius:20px;padding:5px 14px;font-size:.8rem;font-weight:700}.pill-row i{color:#86a094}.finder{background:#fff;border:1px solid var(--line);border-radius:21px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:0 5px 25px #294b5010}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips button{font-size:.77rem;background:transparent;color:#527073;border-color:transparent;padding:8px 12px;min-height:38px}.chips button[aria-pressed=true]{background:#dfefe7;border-color:#bfd9cd;color:#24604e}.age-filter{display:flex;align-items:center;gap:10px;font-size:.77rem;white-space:nowrap}select{max-width:100%;padding:10px;border:1px solid #bdcfcd;border-radius:10px;background:white;color:var(--ink);font-size:.88rem}.catalog-note{font-size:.78rem;margin:15px 3px 23px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.course-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:23px;padding:25px;text-decoration:none;color:var(--ink);box-shadow:0 5px 0 #dce8e341;transition:transform .2s,box-shadow .2s}.course-card:hover{transform:translateY(-5px);box-shadow:0 12px 32px #4565751b}.course-symbol{align-self:flex-start;min-width:54px;height:48px;display:grid;place-items:center;background:#ecedfa;color:#605587;border-radius:14px;padding:0 10px;margin-bottom:20px;font-size:1rem;font-weight:800}.course-card:nth-child(4n+2) .course-symbol{background:#e5f1e8;color:#438468}.course-card:nth-child(4n+3) .course-symbol{background:#fbefd9;color:#9a7032}.course-card:nth-child(4n+4) .course-symbol{background:#f6e8ec;color:#ad7185}.course-card h2{font-size:1.23rem;margin:10px 0 14px;min-height:2.45rem}.course-card p{font-size:.88rem;color:var(--muted);margin-bottom:16px}.course-card small{display:block;font-size:.72rem;color:#5d7279;margin:auto 0 20px;line-height:1.5}.open-label{font-size:.85rem;border-top:1px solid #e8eeeb;padding-top:15px;display:flex;justify-content:space-between;color:#315f91}.back{font-size:.85rem;font-weight:700;text-decoration:none}.course-head{display:flex;gap:25px;align-items:center;justify-content:space-between;padding:25px 0 18px}.course-head>div:first-child{max-width:840px}.course-head h1{font-size:clamp(1.8rem,3vw,2.65rem);margin:12px 0 16px}.course-head p{color:var(--muted);font-size:.94rem;max-width:70ch}.course-controls{min-width:210px;max-width:300px;display:flex;flex-direction:column;gap:12px}.course-controls label{display:flex;flex-direction:column;gap:7px;font-size:.78rem;font-weight:700}.progress{font-size:.72rem;color:#436a5e}.library-note{background:#f0f2e5;border:1px solid #dbe2ca;padding:12px 17px;border-radius:13px;margin-bottom:25px;font-size:.77rem;color:#526441}.library-note a{display:inline-block;margin-left:8px;color:#3d674e;font-weight:700}.workspace{display:grid;grid-template-columns:242px minmax(0,1fr);gap:25px;align-items:start}.stations{position:sticky;top:20px;padding:20px 15px;background:#fff9;border:1px solid var(--line);border-radius:19px}.stations>.eyebrow{margin-left:8px}.stations ol{list-style:none;padding:0;margin:15px 0 0;display:grid;gap:7px}.stations a{display:flex;gap:10px;align-items:start;padding:11px;border-radius:12px;text-decoration:none;font-size:.78rem;line-height:1.5;color:#556d79}.stations a span{color:#869aa2;font-weight:800;font-size:.7rem;padding-top:2px}.stations a[aria-current]{background:#e5eee7;color:#315d4d;font-weight:750}.stations a[aria-current] span{color:#397a69}.lesson{min-width:0;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px #2c4a5210;overflow:hidden}.tabs{display:grid;grid-template-columns:repeat(3,1fr);padding:10px;gap:8px;border-bottom:1px solid var(--line);background:#f4f7f4}.tabs a{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 10px;border-radius:12px;font-weight:700;font-size:.85rem;text-decoration:none;color:#67817d}.tabs a>span{font-size:.75rem;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e1e9e4}.tabs a[aria-current]{background:#fff;color:#315f91;box-shadow:0 2px 6px #37596d15}.tabs a[aria-current]>span{background:#e5eefa}.lesson-panel{padding:29px}.lesson-title h2{font-size:1.6rem;line-height:1.3;margin:8px 0 26px}.lead{font-size:1.08rem;color:#2b5265;line-height:1.7}.art figure{margin:0 0 24px}.art svg{max-width:100%;height:auto;display:block}.single-art{display:grid;place-items:center;background:#f3f6ef;border-radius:20px;overflow:hidden}.single-art img{max-width:100%;height:auto}.single-art svg{max-width:650px;width:100%}.art figcaption{font-size:.78rem;line-height:1.6;padding:12px 18px;color:#536975}.art .ls-frames{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}.art .ll-lesson-figure{padding:15px;max-width:100%!important}.art .ls-frame p{font-size:.82rem;line-height:1.6}.art .ls-heading>strong{font-size:1rem}.story-frames{display:grid;gap:12px}.story-frames figure{margin:0!important;border:1px solid var(--line);border-radius:18px;overflow:hidden}.story-frames svg{max-height:330px;margin:auto;width:100%;background:#f5f8f5}.reading-steps{list-style:none;margin:24px 0;padding:0;display:grid;gap:19px}.reading-steps li{display:flex;align-items:start;gap:15px}.reading-steps li>span{background:#e8f0e9;color:#3f7564;border-radius:10px;width:28px;min-width:28px;height:28px;display:grid;place-items:center;font-size:.75rem;font-weight:750;margin-top:3px}.reading-steps p{font-size:1rem;margin:0;line-height:1.85}.scene{background:#f3f0fa;border-left:4px solid #a698bf;border-radius:14px;padding:20px;margin:27px 0}.scene h3{font-size:1rem;margin:7px 0 8px}.scene p{font-size:.94rem;margin:0}.takeaway{background:#f0f5e7;color:#4b643e;border-radius:14px;padding:17px;font-size:.93rem;margin:22px 0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.lesson-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;padding-top:20px;margin-top:30px;font-size:.8rem;font-weight:700}.lesson-bottom a{text-decoration:none}details{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:15px 0;font-size:.88rem}summary{cursor:pointer;font-weight:700;min-height:24px;color:#416679}details p,details ol{margin:12px 0 2px}.sources{font-size:.76rem;background:#f9faf7}.sources li{margin:8px 0}.sources a{overflow-wrap:anywhere}.choices{display:grid;gap:13px;margin:25px 0}.choice{display:flex;gap:13px;align-items:flex-start;background:#f7f9fb;border:2px solid #dce5e9;border-radius:17px;padding:19px;cursor:pointer;line-height:1.6;font-size:.97rem}.choice:has(input:checked){background:#edf3fc;border-color:#6493ba}.choice input{margin-top:7px;accent-color:#3a6398;min-width:17px;height:17px}.classify{display:grid;gap:15px;margin:25px 0}.classify label{display:grid;grid-template-columns:1fr minmax(160px,.75fr);align-items:center;gap:16px;border:1px solid #dce5e9;border-radius:16px;background:#f8fafb;padding:17px;font-size:.93rem}.classify select{width:100%}.order{list-style:none;counter-reset:pieces;display:grid;gap:10px;padding:0}.order li{display:flex;gap:12px;align-items:center;border:1px solid #dce5e9;border-radius:14px;padding:15px;background:#f8fafb}.order li:before{counter-increment:pieces;content:counter(pieces);font-size:.8rem;color:#658493;font-weight:750}.order li>span{flex:1;line-height:1.5}.order li>div{display:flex;gap:7px}.order button{padding:5px 10px;min-height:35px;min-width:35px;background:white;color:#426a85;border-color:#b5cdd7}.hint-line,.small{font-size:.79rem;color:#5f7680}.support{background:#fff8e8;border-color:#e8d8ad}.feedback:empty{display:none}.feedback{border-radius:15px;background:#fff4df;border:1px solid #e9d5a8;padding:18px;margin:20px 0;color:#765523;font-weight:600;font-size:.96rem}.feedback.success{background:#e7f3eb;border-color:#b8d8c6;color:#386d50}.practice-steps{padding-left:22px}.practice-steps li{margin:12px 0}.local-note{padding:15px;background:#f1f4f8;border-radius:14px;font-size:.8rem;color:#4c6677;margin:20px 0}.work-label,.project-fields label{display:block;font-weight:650;font-size:.9rem;margin-top:21px}textarea{display:block;width:100%;resize:vertical;min-height:90px;margin-top:8px;padding:15px;color:#2f4e61;background:#fbfcfc;border:1px solid #b6cccb;border-radius:13px;line-height:1.6;font-size:.93rem}.project-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.project-result{background:#f6f7f1;border:1px solid var(--line);padding:20px;border-radius:18px;margin:20px 0}.project-result p{white-space:pre-wrap;overflow-wrap:anywhere}.project-result h4{font-size:.85rem;color:#617378;margin-bottom:7px}.project-result .slide{background:white;border:1px solid #d8dedc;box-shadow:0 5px 10px #344f5610;min-height:220px;padding:26px;margin:20px 0;border-radius:10px}.project-result .slide>div:first-of-type h4{display:none}.project-result .slide>div:first-of-type p{font-size:1.45rem;font-weight:750}.dc-scene-bg{fill:#eff4ee}footer{max-width:1288px;padding:25px 24px 45px;margin:auto;color:#6a7d83;font-size:.74rem;line-height:1.8;border-top:1px solid var(--line)}body[data-motion=reduced] *,body[data-motion=reduced] *:before,body[data-motion=reduced] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}@media(max-width:1050px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:1.2fr 1fr}.finder{display:block}.age-filter{margin-top:15px}.workspace{grid-template-columns:200px minmax(0,1fr);gap:16px}.lesson-panel{padding:22px}.stations{padding:15px 7px}.course-head{align-items:start}}@media(max-width:760px){.topbar{padding:15px 20px;flex-wrap:wrap}.topbar nav{gap:15px;flex-wrap:wrap}.demo{padding:10px 20px}main{padding:25px 16px 45px}.hero{grid-template-columns:1fr;gap:18px;padding:0}.hero-art{max-width:460px;justify-self:center}.cards{gap:14px}.course-card{padding:21px}.course-head{display:block}.course-controls{max-width:none;display:grid;grid-template-columns:1fr 1fr;align-items:end}.workspace{display:block}.stations{position:static;margin-bottom:18px}.stations ol{display:flex;overflow-x:auto;padding-bottom:7px}.stations li{min-width:165px}.stations a{height:100%}.tabs a{padding:9px 6px;font-size:.78rem}.tabs a>span{width:20px;height:20px}.lesson-panel{padding:22px 17px}.classify label{grid-template-columns:1fr}.project-fields{grid-template-columns:1fr}.lesson-title h2{font-size:1.4rem}}@media(max-width:490px){.cards{grid-template-columns:1fr}.course-card h2{min-height:0}.hero h1{font-size:2.45rem}.hero-art{padding:12px}.course-controls{display:flex;align-items:stretch}.topbar nav{width:100%;justify-content:space-between}.topbar nav a{font-size:.75rem}.topbar button{font-size:.7rem}.lesson-bottom{font-size:.73rem}.order li{padding:12px 9px}.order button{min-width:32px;padding:4px 8px}.art .ls-frames{grid-template-columns:1fr}.reading-steps li{gap:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Distinct worlds; the lesson's reading surface remains calm and legible. */
body{--world-accent:#08785c;--world-light:#e0f7ec;background:linear-gradient(165deg,#e7f7ed,#f6fbff 650px)}body[data-world=german]{--world-accent:#096d69;--world-light:#d3f4eb;background:linear-gradient(160deg,#d0f0ee,#eff7ff 650px)}body[data-world=english]{--world-accent:#2759be;--world-light:#ddeaff;background:linear-gradient(155deg,#d7e8ff,#f5f8ff 650px)}body[data-world=italian]{--world-accent:#9a3870;--world-light:#ffe1ec;background:linear-gradient(155deg,#fce1ed,#fffbf6 650px)}body[data-world=latin]{--world-accent:#8b5420;--world-light:#ffe9bf;background:linear-gradient(155deg,#ffedce,#faf8f1 650px)}body[data-world=digital]{--world-accent:#6143c8;--world-light:#e9e0ff;background:linear-gradient(155deg,#e7dfff,#f3f8ff 650px)}.hero{border-radius:28px;background:#ffffffb8;padding:28px;gap:32px;margin-bottom:26px}.hero h1 em{font-family:inherit;font-style:normal;font-weight:800;color:var(--world-accent)}.hero-art{overflow:hidden;border-radius:22px;background:transparent}.hero-art>img{width:100%;height:280px;object-fit:cover;display:block}.hero-art>span{background:var(--world-accent);color:white;display:block;padding:12px 16px;font-size:.88rem}.hero .eyebrow{color:var(--world-accent)}.pill-row span{background:var(--world-light);color:var(--world-accent)}.finder{background:#fff;border:1px solid #d0dfe0;border-radius:22px;padding:20px}.chips button{font-size:.88rem;min-height:44px}.chips button[aria-pressed=true]{background:var(--world-accent);color:white;border-color:var(--world-accent)}.course-card{position:relative;overflow:hidden;border-top:0;padding:0 22px 22px;background:#fff;border-radius:23px;box-shadow:0 6px 0 #27384d0a;--card-accent:#08785c;--card-tint:#e0f7ec}.theme-german{--card-accent:#096d69;--card-tint:#d3f4eb}.theme-english{--card-accent:#2759be;--card-tint:#ddeaff}.theme-italian{--card-accent:#9a3870;--card-tint:#ffe1ec}.theme-latin{--card-accent:#8b5420;--card-tint:#ffe9bf}.theme-digital{--card-accent:#6143c8;--card-tint:#e9e0ff}.theme-grow{--card-accent:#08785c;--card-tint:#e0f7ec}.course-illustration{height:180px;margin:0 -22px 18px;padding:12px;background:var(--card-tint);border-bottom:5px solid var(--card-accent);overflow:hidden;display:grid;place-items:center}.course-illustration figure{margin:0!important;width:100%;height:100%}.course-illustration svg,.course-illustration img{width:100%;height:155px;object-fit:contain;display:block}.course-illustration figcaption,.course-illustration .story-frames>figure:not(:first-child){display:none}.course-illustration .story-frames{display:block}.course-symbol{position:absolute;right:13px;top:13px;background:var(--card-accent)!important;color:white!important;border:2px solid #ffffffd0;box-shadow:0 3px 8px #26334c20;border-radius:13px;font-size:.95rem;min-width:43px;width:auto;padding:6px 11px;height:auto}.course-card>.eyebrow{font-size:.76rem;color:var(--card-accent);line-height:1.6}.course-card h2{font-size:1.35rem;margin-top:7px}.course-card p{font-size:1rem;color:#435167}.course-card small{font-size:.875rem;color:#526076}.course-card .open-label{color:var(--card-accent);border-top:1px solid var(--card-tint)}.course-head{border:1px solid #d2dfdf;border-left:7px solid var(--card-accent);background:#fff;padding:25px;border-radius:22px}.course-head h1{color:var(--card-accent)}.course-head .eyebrow{color:var(--card-accent)}.lesson{border-top:5px solid var(--world-accent)}.tabs a[aria-current=page]{color:var(--world-accent);border-color:var(--world-accent)}.demo,.catalog-note{font-size:.875rem}.back{font-size:1rem}.topbar button{font-size:.875rem}@media(max-width:900px){.hero{padding:22px;gap:20px}.hero-art>img{height:235px}.course-illustration{height:165px}.course-illustration svg,.course-illustration img{height:140px}}@media(max-width:650px){.hero{display:block;padding:22px}.hero-art{margin-top:22px;display:block}.hero-art>img{height:215px}.finder{padding:15px}.course-head{padding:20px}.course-card{padding:0 19px 20px}.course-illustration{margin:0 -19px 18px}.course-symbol{font-size:.875rem}}
.course-illustration>img[src*="visuals"]{width:calc(100% + 24px);max-width:none;height:180px;object-fit:cover;margin:-12px}.course-illustration>svg{max-height:155px}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.cards{grid-template-columns:1fr}}

/* WOW-01: a compact course desk, with the activity in the foreground. */
body[data-world=math]{--world-accent:#155e85;--world-light:#dceffa;background:linear-gradient(150deg,#dff3f5,#f7faff 600px)}
body[data-world=science]{--world-accent:#276a41;--world-light:#e0f3dc;background:linear-gradient(150deg,#e1f3dc,#fbfaf1 600px)}
body[data-world=history]{--world-accent:#885320;--world-light:#f8e7cf;background:linear-gradient(150deg,#faebd7,#fffaf4 600px)}
body[data-world=geography]{--world-accent:#136f73;--world-light:#d8f1ee;background:linear-gradient(150deg,#d8f1ee,#f6faff 600px)}
.theme-math{--card-accent:#155e85;--card-tint:#dceffa}.theme-science{--card-accent:#276a41;--card-tint:#e0f3dc}.theme-history{--card-accent:#885320;--card-tint:#f8e7cf}.theme-geography{--card-accent:#136f73;--card-tint:#d8f1ee}
.preview-details{border:0;border-radius:0;padding:0;margin:0;font-size:inherit}
.preview-details summary{min-height:30px;line-height:1.6;color:#37586d}
.preview-details summary>span{margin-left:12px;text-decoration:underline;text-underline-offset:3px}
.preview-details>div{max-width:100ch;padding:10px 0 5px;line-height:1.6}
body[data-view=lesson] main{max-width:1120px;padding-top:18px}
body[data-view=lesson] .topbar{padding-top:13px;padding-bottom:13px}
body[data-view=lesson] .demo{padding-top:6px;padding-bottom:6px}
body[data-view=lesson] .course-head{padding:16px 20px;gap:24px;border-left-width:5px;border-radius:18px;align-items:center;box-shadow:0 4px 20px #173b5010}
.course-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.course-meta .back{font-size:.88rem;min-height:26px;display:inline-flex;align-items:center;color:#345a6e}
.course-meta .eyebrow{font-size:.72rem;line-height:1.5}
body[data-view=lesson] .course-head h1{font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.2;letter-spacing:-.025em;margin:6px 0 0}
body[data-view=lesson] .course-controls{min-width:205px;max-width:270px;gap:5px}
body[data-view=lesson] .course-controls label{gap:4px;font-size:.75rem}
body[data-view=lesson] .course-controls select{min-height:42px;padding:8px 10px}
body[data-view=lesson] .progress{font-size:.75rem;line-height:1.5}
.course-utility{display:grid;grid-template-columns:minmax(0,1fr) minmax(170px,.5fr);gap:12px;margin:10px 0 14px;align-items:start}
.course-utility>details{margin:0;padding:0;background:#ffffffb8;border-color:#c8dbe2;border-radius:12px;min-width:0}
.course-utility>details>summary{padding:10px 14px;min-height:44px;font-size:.86rem;line-height:1.6;color:#35576a}
.course-road>summary>span{margin-left:12px;font-size:.8rem;font-weight:500}
.course-about>p{padding:0 15px 15px;font-size:.94rem;line-height:1.6;margin:0}
.course-road .stations{position:static;border:0;border-top:1px solid #d6e2e6;border-radius:0;background:transparent;padding:10px;margin:0}
.course-road .stations ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:0;margin:0;overflow:visible}
.course-road .stations li{min-width:0}
.course-road .stations a{font-size:.87rem;min-height:44px;padding:10px;line-height:1.5}
.course-road .stations a[aria-current]{background:var(--world-light);color:var(--world-accent)}
body[data-view=lesson] .workspace{display:block}
body[data-view=lesson] .lesson{border-radius:20px;border-top-width:4px}
body[data-view=lesson] .tabs{padding:7px;gap:6px;background:var(--world-light)}
body[data-view=lesson] .tabs a{min-height:44px;padding:8px 10px;color:#385a6b;font-size:.9rem}
body[data-view=lesson] .tabs a[aria-current]{background:#fff;color:var(--world-accent);box-shadow:0 2px 8px #254f6d16}
body[data-view=lesson] .lesson-panel{padding:22px 26px}
body[data-view=lesson] .lesson-title h2{margin:5px 0 18px;font-size:clamp(1.3rem,2.4vw,1.65rem)}
body[data-view=lesson] .library-note{background:#f5f8ee;padding:10px 13px;margin:18px 0 0;font-size:.85rem;line-height:1.6}
body[data-view=lesson] .lesson-bottom{margin-top:17px;padding-top:16px;font-size:.86rem}
body[data-view=lesson] .lesson-bottom a{min-height:40px;display:inline-flex;align-items:center}
body[data-course=en-p4-weather]{--world-accent:#255aa0;--world-light:#e4f0ff;background:radial-gradient(ellipse at 90% 8%,#ffe6a1 0,transparent 35%),linear-gradient(150deg,#dceeff,#f9fbff 700px)}
body[data-course=en-p4-weather] .course-head{background:linear-gradient(105deg,#fff,#f0f7ff);border-left-color:#efb844}
body[data-course=en-p4-weather] .lesson{border-top-color:#e7af35}
body[data-course=en-p4-weather] .art .ew-figure{border-color:#b5d2ec;background:linear-gradient(140deg,#eaf6ff,#fff9e9)}
body[data-course=en-p4-weather] .art .ew-card{border:1px solid #bed6e8;box-shadow:0 5px 0 #dce8f1}
.picture-desk{position:relative;margin:18px 0 22px;padding:22px;border:1px solid #b9d5e5;border-radius:22px;background:linear-gradient(125deg,#e8f5ff,#f5faff 60%,#fff5d8);color:#244961}
.picture-heading{display:flex;gap:16px;align-items:center;margin-bottom:18px}
.picture-stamp{display:grid;place-items:center;flex:none;width:72px;height:58px;padding:6px;background:#fff8db;border:2px dashed #b98725;border-radius:12px;font-size:.66rem;font-weight:850;letter-spacing:.04em;transform:rotate(-5deg);color:#805516}
.picture-heading .eyebrow{color:#3a6581;font-size:.72rem;line-height:1.5}
.picture-heading p{margin:4px 0 0;font-size:.97rem;line-height:1.5}
.picture-turns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0 0 18px}
.picture-turns button{display:grid;grid-template-columns:24px 1fr;gap:1px 7px;align-items:center;padding:9px 10px;border-radius:12px;border:1px solid #a8c9dc;background:#fff;color:#35576e;min-height:52px;text-align:left;font-size:.87rem}
.picture-turns button>span{display:grid;place-items:center;grid-row:1/3;border-radius:50%;width:24px;height:24px;background:#e4eff8;font-weight:800}
.picture-turns button small{font-weight:500;font-size:.7rem;line-height:1.4}
.picture-turns button[aria-current]{border:2px solid #255aa0;padding:8px 9px;background:#e5efff;color:#204d87}
.picture-field{border:0;padding:0;margin:0;min-width:0}
.picture-field legend{float:none;display:block;width:100%;margin:0 0 16px;padding:0;text-align:center;font-size:1.1rem;font-weight:750;line-height:1.5}
.picture-field legend>span{display:block;font-size:.71rem;letter-spacing:.07em;color:#476c86;margin-bottom:3px}
.picture-field legend>strong{display:inline-block;font-size:1.55rem;line-height:1.4;color:#194c76}
.picture-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.picture-option{position:relative;display:block;min-width:0;cursor:pointer}
.picture-option input{position:absolute;z-index:1;top:13px;left:13px;width:21px;height:21px;margin:0;accent-color:#255aa0}
.picture-paper{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:210px;height:100%;padding:22px 13px 12px;background:#fff;border:2px solid #bad1e2;border-radius:17px;box-shadow:0 5px 0 #b9d1df4d;transition:border-color .15s,box-shadow .15s}
.picture-art{display:block;width:100%;max-width:160px;margin:auto}
.picture-art svg{display:block;width:100%;height:auto;max-height:120px;overflow:visible}
.picture-label{font-size:1rem;line-height:1.5;text-align:center;font-weight:750;color:#24455c}
.picture-selection{font-size:.78rem;line-height:1.5;color:#536c7d;text-align:center}
.picture-selected{display:none}
.picture-option input:checked+.picture-paper{border-color:#255aa0;box-shadow:0 0 0 2px #255aa0;background:#f2f7ff}
.picture-option input:checked+.picture-paper .picture-selected{display:inline;color:#204d87;font-weight:750}
.picture-option input:checked+.picture-paper .picture-unselected{display:none}
.picture-option:focus-within .picture-paper{outline:3px solid #86521c;outline-offset:4px}
.picture-navigation{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:20px}
.picture-navigation button{min-height:44px;border-radius:11px;font-size:.88rem;padding:9px 14px;background:#255aa0;border-color:#255aa0}
.picture-navigation .secondary{background:white;color:#255aa0;border-color:#93b6d0}
.picture-navigation button:disabled{cursor:default;opacity:.5}
.picture-navigation p{max-width:42ch;margin:0;font-size:.88rem;line-height:1.5}
.picture-help{margin:18px 0 0;font-size:.83rem;line-height:1.6;color:#456477}
.picture-clothes{background:linear-gradient(130deg,#f1ebff,#fcf8ff 65%,#fff0e1);border-color:#d0bfde}
.picture-clothes .picture-stamp{background:#f9edff;border-color:#9a73ad;color:#735287}
body[data-course=en-p4-weather] .feedback{font-size:1rem;line-height:1.65}
body[data-view=lesson] :is(a,button,select,summary):focus-visible{outline:3px solid #86521c;outline-offset:3px}
[data-picture-focus]:focus{outline:2px solid #86521c;outline-offset:5px;border-radius:5px}
@media(max-width:760px){
  body[data-view=lesson] main{padding:13px 14px 35px}
  body[data-view=lesson] .course-head{padding:13px 15px;display:flex;gap:15px;align-items:flex-start}
  body[data-view=lesson] .course-head h1{font-size:1.45rem}
  body[data-view=lesson] .course-controls{display:flex;min-width:150px;max-width:200px;gap:5px;align-items:stretch}
  .course-meta{gap:7px 12px}
  .course-road .stations ol{grid-template-columns:1fr}
  body[data-view=lesson] .lesson-panel{padding:20px}
  .picture-desk{padding:18px}
  .picture-options{gap:11px}
  .picture-paper{padding:25px 9px 11px;min-height:195px}
  .picture-label{font-size:.94rem}
}
@media(max-width:520px){
  body[data-view=lesson] .topbar{padding:10px 16px;gap:9px}
  body[data-view=lesson] .course-head{display:block;padding:12px 14px}
  body[data-view=lesson] .course-head h1{font-size:1.4rem}
  body[data-view=lesson] .course-controls{display:grid;grid-template-columns:1fr 1fr;align-items:center;max-width:none;min-width:0;margin-top:9px;gap:10px}
  body[data-view=lesson] .course-controls label{font-size:.7rem}
  body[data-view=lesson] .course-controls select{padding:6px 8px;min-height:40px;font-size:.84rem}
  body[data-view=lesson] .progress{font-size:.72rem}
  .course-utility{gap:8px;grid-template-columns:minmax(0,1fr) minmax(110px,.55fr);margin:8px 0 10px}
  .course-utility>details>summary{padding:9px 10px;font-size:.8rem}
  .course-road>summary>span{display:block;margin:1px 0 0;font-size:.72rem}
  body[data-view=lesson] .tabs a{font-size:.83rem;gap:6px;padding:7px 5px}
  body[data-view=lesson] .lesson-panel{padding:17px 13px}
  body[data-view=lesson] .lesson-title h2{font-size:1.27rem;margin-bottom:14px}
  .preview-details summary{font-size:.8rem}
  .preview-details summary>span{display:none}
  .picture-desk{padding:14px 10px;border-radius:17px}
  .picture-heading{gap:10px;margin-bottom:15px}
  .picture-stamp{width:52px;height:50px;font-size:.52rem;border-radius:9px}
  .picture-heading .eyebrow{font-size:.64rem}
  .picture-heading p{font-size:.86rem}
  .picture-turns{gap:5px}
  .picture-turns button{grid-template-columns:1fr;text-align:center;padding:7px 5px;font-size:.8rem;min-height:50px}
  .picture-turns button[aria-current]{padding:6px 4px}
  .picture-turns button>span{display:none}
  .picture-turns button small{font-size:.61rem}
  .picture-field legend>strong{font-size:1.35rem}
  .picture-options{grid-template-columns:1fr;gap:10px}
  .picture-paper{display:grid;grid-template-columns:100px 1fr;grid-template-rows:1fr auto;gap:0 13px;min-height:108px;padding:11px 14px 11px 24px;align-items:center}
  .picture-art{grid-row:1/3;max-width:95px}
  .picture-art svg{max-height:84px}
  .picture-label{text-align:left;font-size:1rem;align-self:end}
  .picture-selection{text-align:left;font-size:.76rem;align-self:start;margin-top:5px}
  .picture-option input{top:12px;left:10px;width:18px;height:18px}
  .picture-navigation{align-items:stretch;gap:10px}
  .picture-navigation button{font-size:.8rem;padding:9px 10px;flex:1;min-width:0}
  .picture-navigation p{flex:1;font-size:.8rem}
}

/* COURSE-VISUAL-R2: an illustrated entrance, a clear route, a quiet reading desk. */
body{--course-ui-accent:var(--study-accent,var(--world-accent,#08785c));--course-ui-edge:var(--study-edge,#c4d7db);--course-ui-shadow:0 14px 36px #233e5010}
.hero{position:relative;isolation:isolate;overflow:hidden;border:1px solid #ffffff;border-radius:32px;padding:34px;gap:38px;box-shadow:var(--course-ui-shadow)}
.hero:after{content:"";position:absolute;z-index:-1;pointer-events:none;right:-95px;bottom:-165px;width:620px;height:350px;border:2px solid #ffffffd9;border-radius:50%;box-shadow:0 0 0 28px #ffffff45,0 0 0 60px #ffffff30;transform:rotate(-12deg)}
.hero h1{max-width:13ch;font-size:clamp(2.2rem,3.9vw,3.6rem);margin:15px 0 20px}
.hero h1 em{color:var(--course-ui-accent)}
.hero p{font-size:1.02rem;line-height:1.75}
.hero-art{padding:0;transform:none;border:6px solid #fff;border-radius:25px;box-shadow:0 16px 32px #29465720;max-width:100%}
.hero-art>img{height:300px;object-position:center}
.hero-art>span{border-radius:0;background:var(--course-ui-accent);font-size:.86rem;line-height:1.5;padding:13px 16px}
.pill-row{flex-wrap:wrap;gap:9px}
.pill-row span{border-color:#fff;box-shadow:0 2px 0 #193f5210;padding:7px 15px}
.finder{border-radius:20px;box-shadow:0 6px 20px #233e500a;padding:17px 20px}
.chips button{border-radius:12px;transition:background-color .16s,box-shadow .16s}
.chips button[aria-pressed=true]{background:var(--course-ui-accent);border-color:var(--course-ui-accent);box-shadow:0 3px 0 #20344718}
.cards{gap:24px}
.course-card{border:1px solid #d7e1e5;border-radius:24px;box-shadow:0 4px 0 #ffffffb3,0 12px 28px #223e5010;transition:transform .18s,box-shadow .18s,border-color .18s}
.course-illustration{height:204px;border-bottom:0;position:relative;margin-bottom:22px;padding:17px 12px;background:radial-gradient(ellipse at 50% 15%,#ffffffd9,transparent 70%),var(--card-tint)}
.course-illustration:after{content:"";position:absolute;pointer-events:none;inset:auto 0 0;height:6px;background:var(--card-accent)}
.course-illustration svg,.course-illustration img,.course-illustration>svg{height:170px;max-height:170px}
.course-illustration>img[src*="visuals"]{height:204px;max-height:none;margin:-17px -12px}
.course-symbol{top:15px;right:15px;min-height:40px;border-radius:14px;box-shadow:0 4px 12px #26334c22}
.course-card h2{line-height:1.28;letter-spacing:-.025em;margin-bottom:12px}
.course-card p{line-height:1.65}
.course-card .open-label{align-items:center;gap:12px;padding-top:17px;font-size:.9rem}
.open-label>span{display:grid;place-items:center;flex:0 0 33px;height:33px;border-radius:50%;background:var(--card-tint);font-size:1.2rem}
body[data-view=lesson] .course-head{border-radius:22px;border-left-color:var(--course-ui-accent);box-shadow:var(--course-ui-shadow);background:#fff;padding:21px 24px;gap:24px}
body[data-view=lesson] .course-head>div:first-child{min-width:0}
body[data-view=lesson] .course-head h1{font-size:clamp(1.45rem,2.7vw,2.05rem);color:var(--ink);line-height:1.22;overflow-wrap:anywhere}
body[data-view=lesson] .course-controls{padding:13px 16px;background:#f3f7fa;border:1px solid #dce5eb;border-radius:15px;min-width:220px;gap:8px}
body[data-view=lesson] .progress{color:#3d6060;font-weight:650}
.course-utility{gap:14px;margin:14px 0 18px}
.course-utility>details{background:#ffffffd9;border-radius:15px;border-color:#cad9df;box-shadow:0 3px 10px #233e5007}
.course-utility>details[open]{background:#fff;border-color:var(--course-ui-edge)}
.course-utility>details>summary{padding:12px 16px}
.course-road .stations ol{gap:7px}
.course-road .stations a{align-items:center;gap:11px;border:1px solid transparent;border-radius:12px}
.course-road .stations a>span{display:grid;place-items:center;flex:0 0 30px;height:30px;padding:0;border-radius:10px;background:#edf2f4;color:#486373}
.course-road .stations a[aria-current]{background:#f1f6f5;border-color:var(--course-ui-edge);color:var(--course-ui-accent)}
.course-road .stations a[aria-current]>span{background:var(--course-ui-accent);color:#fff}
body[data-view=lesson] .lesson{border:1px solid #cfdae1;border-radius:25px;box-shadow:0 6px 0 #ffffffa8,0 18px 40px #253b5012}
body[data-view=lesson] .tabs{padding:12px;gap:10px;background:#edf3f7;border-bottom:1px solid #d8e3eb}
body[data-view=lesson] .tabs a{min-width:0;min-height:54px;border:1px solid transparent;border-radius:14px;gap:10px;color:#446173;transition:background-color .16s,box-shadow .16s}
body[data-view=lesson] .tabs a>span{flex:0 0 27px;width:27px;height:27px;background:#fff;border:1px solid #d7e2e9;color:#486272}
body[data-view=lesson] .tabs a[aria-current]{background:var(--course-ui-accent);color:#fff;box-shadow:0 4px 10px #1f385723}
body[data-view=lesson] .tabs a[aria-current]>span{background:#fff;color:var(--course-ui-accent);border-color:#fff}
body[data-view=lesson] .lesson-panel{padding:28px 32px}
.lesson-title{border-bottom:1px solid #e3eaf0;margin-bottom:24px;padding-bottom:2px}
.lesson-title>.eyebrow{color:var(--course-ui-accent);letter-spacing:.095em}
body[data-view=lesson] .lesson-title h2{font-size:clamp(1.45rem,2.55vw,1.85rem);line-height:1.28;margin:8px 0 20px}
.lesson-panel>.lead{max-width:70ch;font-size:1.08rem;line-height:1.8}
.art>.single-art,.art>.story-frames>figure{border:1px solid #d4e1e7;border-radius:23px;background:#f4f8f8;box-shadow:0 7px 0 #e8eff344}
.art figcaption{background:#ffffffdb;border-top:1px solid #e2eaed;padding:14px 19px;line-height:1.65}
.reading-steps{gap:0;margin:28px 0}
.reading-steps li{position:relative;gap:17px;padding:0 0 25px;min-width:0}
.reading-steps li:not(:last-child):before{content:"";position:absolute;pointer-events:none;left:18px;top:39px;bottom:3px;border-left:2px solid #d9e6e5}
.reading-steps li>span{position:relative;flex:0 0 38px;width:38px;height:38px;margin:0;border:1px solid #c9deda;border-radius:13px;background:#edf5f1;color:#285f50;font-size:.84rem;box-shadow:0 3px 0 #e5efec}
.reading-steps p{max-width:68ch;padding-top:3px;line-height:1.85}
.reading-steps li:last-child{padding-bottom:0}
.scene{background:#f3f0fa;border-left-width:5px;border-radius:4px 19px 19px 4px;padding:23px 25px}
.takeaway{border:1px solid #cddfc6;border-left:5px solid #588345;border-radius:4px 17px 17px 4px;padding:18px 20px;line-height:1.7}
.lesson-panel>.actions{padding-top:7px;gap:12px}
.lesson-panel>.actions button:not(.secondary){background:var(--course-ui-accent);border-color:var(--course-ui-accent);box-shadow:0 4px 0 #19354624}
.feedback{border-left-width:5px;line-height:1.7;box-shadow:0 5px 16px #49371408}
.choice{transition:border-color .16s,background-color .16s,box-shadow .16s}
.choice:has(input:checked){box-shadow:0 0 0 1px #6493ba}
body[data-view=lesson] .lesson-bottom{gap:16px;flex-wrap:wrap;margin-top:24px;padding-top:20px}
body[data-view=lesson] .lesson-bottom a{padding:7px 12px;border:1px solid #d3dfe5;border-radius:11px;background:#f7fafc;color:#34586f;min-width:0;max-width:100%;overflow-wrap:anywhere}
@media(hover:hover) and (pointer:fine){.course-card:hover{transform:translateY(-4px);border-color:var(--card-accent);box-shadow:0 17px 34px #233e5020}.course-road .stations a:hover{background:#f0f5f7}.tabs a:not([aria-current]):hover{background:#fff}.choice:hover{border-color:#94afbf}}
@media(max-width:900px){.hero{padding:25px;gap:24px}.hero-art>img{height:255px}.course-illustration{height:188px}.course-illustration svg,.course-illustration img,.course-illustration>svg{height:154px;max-height:154px}.course-illustration>img[src*="visuals"]{height:188px;max-height:none}}
@media(max-width:760px){.hero h1{max-width:18ch}.hero-art{max-width:500px;width:100%;margin-inline:auto}.hero-art>img{height:250px}.cards{gap:18px}body[data-view=lesson] .course-head{padding:18px;gap:16px}body[data-view=lesson] .course-controls{min-width:170px;padding:11px}body[data-view=lesson] .lesson-panel{padding:24px}.course-utility{gap:10px}.course-utility>details>summary{padding:11px 13px}}
@media(max-width:520px){.hero{padding:23px 20px;border-radius:24px}.hero h1{font-size:2.25rem}.hero-art>img{height:220px}.hero-art>span{font-size:.8rem}.finder{padding:14px}.course-illustration{height:202px}.course-illustration svg,.course-illustration img,.course-illustration>svg{height:168px;max-height:168px}.course-illustration>img[src*="visuals"]{height:202px;max-height:none}body[data-view=lesson] .course-head{padding:17px 15px}body[data-view=lesson] .course-controls{min-width:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding:10px 12px;gap:12px;margin-top:14px}body[data-view=lesson] .course-controls select{width:100%}.course-utility{grid-template-columns:1fr;margin:11px 0 14px}.course-road>summary>span{display:inline;margin-left:8px}body[data-view=lesson] .tabs{padding:8px;gap:5px}body[data-view=lesson] .tabs a{flex-direction:column;gap:4px;min-height:67px;padding:7px 4px;font-size:.83rem}body[data-view=lesson] .tabs a>span{flex-basis:25px;width:25px;height:25px}body[data-view=lesson] .lesson-panel{padding:21px 16px}.lesson-title{margin-bottom:20px}body[data-view=lesson] .lesson-title h2{font-size:1.45rem}.reading-steps li{gap:12px}.reading-steps li>span{flex-basis:32px;width:32px;height:32px;border-radius:11px}.reading-steps li:not(:last-child):before{left:15px;top:34px}.scene{padding:19px 18px}.takeaway{padding:16px}.lesson-panel>.actions>button{width:100%}body[data-view=lesson] .lesson-bottom{gap:10px}body[data-view=lesson] .lesson-bottom a{font-size:.83rem;flex:1 1 155px;justify-content:center;text-align:center}}
html[data-study-mode=steps] .reading-steps li:before{display:none}
:is([data-study-theme=calm],[data-theme=calm],[data-support-calm=true]) :is(.hero,.hero-art,.course-card,.lesson,.course-head){box-shadow:none}
:is([data-study-theme=calm],[data-theme=calm],[data-support-calm=true]) .hero:after{display:none}
:is([data-study-motion=reduced],[data-motion=reduced],[data-support-motion=reduced],[data-reduced-motion=true],[data-study-theme=calm],[data-theme=calm],[data-support-calm=true]) :is(.course-card,.chips button,.tabs a,.choice,.actions button){transition:none!important;transform:none!important}
@media(prefers-reduced-motion:reduce){.course-card:hover,.actions button:hover{transform:none}}
@media(forced-colors:active){.hero:after,.course-illustration:after{display:none}.hero,.hero-art,.course-card,.lesson,.course-head{box-shadow:none}body[data-view=lesson] .tabs a[aria-current],.course-road .stations a[aria-current]{background:Highlight;color:HighlightText;border-color:Highlight}.reading-steps li>span,.choice:has(input:checked){border-color:Highlight}}
/* FLOW-INDEX-02: the class comes before the subject; lesson styling stays intact. */
.finder.course-finder{display:grid;grid-template-columns:minmax(230px,.75fr) minmax(0,2fr);align-items:start;gap:24px}
.course-grade-step{min-width:0;padding:15px;border:1px solid #c4dbc9;border-radius:16px;background:linear-gradient(135deg,#edf7e8,#eef4ff)}
.course-grade-step>label,.course-subject-step>legend{font-size:1rem;font-weight:750;line-height:1.5;color:#294b57}
.finder-number{display:inline-grid;place-items:center;width:29px;height:29px;margin-right:5px;border-radius:9px;background:#315f72;color:#fff;font-size:.9rem}
.course-grade-step select{width:100%;min-width:0;min-height:48px;margin-top:12px;font-size:1rem;background:#fffefa;border:2px solid #8cafa7}
.course-grade-step p{font-size:.8rem;line-height:1.6;color:#536b63;margin:11px 0 0}
.course-subject-step{min-width:0;padding:0;margin:0;border:0}
.course-subject-step>legend{padding:0;margin-bottom:14px}
.course-subject-step .chips button{min-height:46px;max-width:100%;font-size:.9rem;white-space:normal}
.course-grade-context{font-size:.8rem;line-height:1.5;color:#4e686d}
.catalog-unavailable,.catalog-empty{padding:18px 20px;border:1px solid #d4c697;border-radius:16px;background:#fff8e6;color:#5f5435;font-size:.95rem}
.catalog-empty h2{font-size:1.2rem;margin-bottom:10px}.catalog-empty p{margin-bottom:16px}
@media(max-width:760px){.finder.course-finder{grid-template-columns:minmax(0,1fr);gap:20px}.course-grade-step{padding:14px}.course-subject-step .chips{gap:8px}.course-subject-step .chips button{flex:1 1 135px;text-align:center}.course-grade-context{overflow-wrap:anywhere}}

/* NAV151: class, subject and a visible choice before the catalogue. */
body[data-view=catalog] main{padding-top:24px}
.catalog-heading{margin-bottom:19px}
.catalog-heading h1{font-size:clamp(1.8rem,3vw,2.65rem);margin:7px 0 10px;line-height:1.2}
.catalog-heading p{font-size:.96rem;margin:0;color:var(--muted)}
.finder.course-finder{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.course-subject-step{padding:15px;border:1px solid #c4dbc9;border-radius:16px;background:#f4f8f7}
.course-subject-step>label,.course-view-step>legend{font-size:1rem;font-weight:750;line-height:1.5;color:#294b57}
.course-subject-step select{display:block;width:100%;min-width:0;min-height:48px;margin-top:12px;font-size:1rem;background:#fffefa;border:2px solid #8cafa7}
.course-view-step{grid-column:1/-1;min-width:0;border:0;padding:0;margin:0}
.course-view-step>legend{padding:0;margin-bottom:11px}
.course-view-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.course-view-options button{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-height:76px;padding:13px 16px;text-align:left;background:#fff;color:#315b65;border:2px solid #a9c9c3;border-radius:14px;line-height:1.4}
.course-view-options button strong{font-size:1.05rem}
.course-view-options button small{font-size:.78rem;font-weight:500}
.course-view-options button[aria-pressed=true]{background:var(--course-ui-accent);border-color:var(--course-ui-accent);color:#fff;box-shadow:0 3px 0 #20344718}
.catalog-results-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:25px 0 9px}
.catalog-results-heading h2{font-size:1.3rem;margin:0;line-height:1.35}
.catalog-games-link{flex:none;display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid #c7d9de;border-radius:12px;background:#fff;font-size:.9rem;font-weight:700;text-decoration:none}
.catalog-note{margin-bottom:22px;font-size:.85rem;line-height:1.65}
.practice-card{border-top:5px solid var(--card-accent,var(--course-ui-accent))}
.practice-card h2{min-height:0}
.practice-card .open-label{margin-top:auto}
.practice-utility .practice-course-link{padding:14px 16px;border:1px solid #cad9df;border-radius:15px;background:#fff;min-width:0}
.practice-course-link p{font-size:.85rem;margin:0 0 9px;line-height:1.5}
.practice-course-link button{font-size:.85rem;min-height:44px;width:100%;padding:9px 12px}
@media(max-width:760px){.finder.course-finder{gap:12px}.course-grade-step,.course-subject-step{padding:12px}.catalog-heading h1{font-size:2rem}.practice-utility{grid-template-columns:1fr}}
@media(max-width:520px){body[data-view=catalog] main{padding-top:17px}.catalog-heading{margin-bottom:15px}.catalog-heading h1{font-size:1.8rem}.catalog-heading p{font-size:.86rem}.finder.course-finder{grid-template-columns:minmax(0,1fr);gap:12px}.course-grade-step,.course-subject-step{padding:10px 12px}.course-grade-step>label,.course-subject-step>label,.course-view-step>legend{font-size:.9rem}.course-grade-step select,.course-subject-step select{margin-top:7px;min-height:44px;font-size:.94rem}.course-grade-step p{margin-top:7px;font-size:.72rem}.course-view-options{gap:8px}.course-view-options button{padding:11px 12px;min-height:80px}.course-view-options button strong{font-size:1rem}.course-view-options button small{font-size:.72rem}.catalog-results-heading{gap:10px;margin-top:20px}.catalog-results-heading h2{font-size:1.13rem}.catalog-games-link{font-size:.82rem;padding:8px 10px}.catalog-note{font-size:.8rem}.practice-course-link button{font-size:.8rem}}
@media(forced-colors:active){.course-view-options button[aria-pressed=true]{background:Highlight;color:HighlightText;border-color:Highlight}.catalog-games-link{border-color:LinkText}}