/* Three homepages, one classroom interface, thirty independent cover-led records. */
:root[data-world=classroom]{--world-bg:#f5f6f4;--world-panel:var(--lesson-paper,#fffefb);--world-ink:var(--lesson-ink,#293f4a);--world-accent:var(--lesson-accent,#4b6b66);--world-soft:var(--lesson-soft,#eaf0ed);--world-border:var(--lesson-border,#cad4ce);--world-radius:14px;--deep:var(--world-ink);--accent:var(--world-accent);--pale:var(--world-soft);--surface:var(--world-panel);--stroke:var(--world-border);--shade:#c5d1cb;--ui-radius:12px;--heading-font:var(--lesson-font,'PingFang TC','Microsoft JhengHei',sans-serif);--ink:var(--deep);--green:var(--accent);--coral:var(--accent);--paper:var(--surface);--line:var(--stroke);--muted:#5a6a6f;--suite-sprite:none}
[data-world=classroom] body{background:var(--world-bg);background-image:none;color:var(--deep)}
[data-world=classroom] .world-toolbar,[data-world=classroom] .dialog-world-choice,[data-world=classroom] .brand-cat,[data-world=classroom] .footer-cat{display:none!important}
[data-world=classroom] header:not(.sheet-heading){box-shadow:none;border-bottom:1px solid var(--stroke);background:var(--surface)}
[data-world=classroom] .brand{gap:0}[data-world=classroom] .brand-title{font-family:var(--heading-font);font-size:23px;gap:1px}[data-world=classroom] .brand-tagline{font-size:16px;margin-top:3px}[data-world=classroom] .brand-tagline b{font-size:12px}
[data-world=classroom] main#app{padding-top:22px}
.lesson-cover{display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--stroke);border-top:5px solid var(--accent);border-radius:var(--ui-radius);min-height:285px;padding:35px 40px;gap:30px}
.lesson-cover-copy{position:relative;z-index:1;min-width:0;flex:1}.lesson-edition{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--accent);margin:0 0 14px;display:block}.lesson-cover h1{font:900 clamp(30px,4vw,48px)/1.45 var(--heading-font);letter-spacing:.03em;margin:8px 0 16px;color:var(--deep)}.lesson-topic{font-size:16px;font-weight:700;color:var(--accent);margin:0 0 12px}.lesson-cover-copy>p:not(.lesson-topic){font-size:15px;color:var(--muted);margin-bottom:22px}.lesson-cover-actions{display:flex;gap:15px;flex-wrap:wrap;align-items:center}.lesson-cover-actions a{margin:0;display:inline-flex;align-items:center;min-height:48px}.lesson-cover-number{font:700 120px/1 Georgia,serif;letter-spacing:-.08em;color:var(--pale);border:1px solid var(--stroke);width:185px;height:210px;display:grid;place-items:center;border-radius:5px 25px 25px 5px;flex-shrink:0;box-shadow:6px 6px 0 var(--pale)}.lesson-cover-art{width:42%;max-height:340px;object-fit:contain;align-self:stretch}.lesson-art{display:block;width:108px;height:108px;flex:0 0 auto;pointer-events:none}.lesson-art svg,.lesson-art img{display:block;width:100%;height:100%;object-fit:contain}.lesson-art svg{padding:13%;color:var(--accent);background:var(--pale);border-radius:18px}.lesson-art img{padding:0;background:none}
[data-world=classroom] .zone-route button .lesson-art{width:85px;height:85px;margin-bottom:8px}[data-world=classroom] .zone-activity>.lesson-art{width:76px;height:76px;margin:0 0 12px}[data-world=classroom] .zone-activity>span:not(.lesson-art){color:var(--muted)}[data-world=classroom] .course-zone summary .lesson-art{width:90px;height:90px}[data-world=classroom] .zone-pending .lesson-art{width:65px;height:65px}[data-world=classroom] .page-heading-art{width:125px;height:125px}[data-world=classroom] .resource-illustration{width:86px;height:86px;float:right}[data-world=classroom] .flow-illustration{width:72px;height:72px}[data-world=classroom] .dialog-chapter>.lesson-art{width:75px;height:75px}[data-world=classroom] .encourage{padding-left:24px}
[data-world=classroom] .zone-heading strong{font:900 29px/1.5 var(--heading-font);letter-spacing:.08em}[data-world=classroom] .zone-route button .route-name{font:800 23px/1.5 var(--heading-font)}[data-world=classroom] .course-zone{background:var(--surface)!important}[data-world=classroom] .primary{background:var(--accent);border-color:var(--accent);box-shadow:0 3px 0 var(--shade)!important}[data-world=classroom] .secondary{background:var(--surface);border:1px solid var(--stroke);box-shadow:none}
.worksheet-toolbar{display:flex;justify-content:space-between;align-items:center;margin:0 auto 22px;max-width:900px;gap:16px}.inquiry-sheet{max-width:900px;margin:0 auto;background:var(--surface);border:1px solid var(--stroke);border-radius:16px;overflow:hidden;box-shadow:0 6px 0 var(--pale)}.sheet-heading{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:none;margin:0;padding:35px 40px!important;background:var(--pale);border:0;border-top:5px solid var(--accent);box-shadow:none}.sheet-heading>div{min-width:0}.sheet-heading h1{font:900 36px/1.5 var(--heading-font);margin:10px 0;color:var(--deep);letter-spacing:.04em}.sheet-heading p{font-size:14px;margin:10px 0;color:var(--deep)}.sheet-heading .lesson-edition{font-size:11px;color:var(--accent)}.sheet-type{display:inline-block;padding:4px 12px;border:1px solid var(--accent);border-radius:6px;font-size:12px;color:var(--accent)}.sheet-reference-art{width:150px;height:150px;object-fit:contain}.sheet-personal{display:flex;gap:30px;padding:24px 40px;border-bottom:1px solid var(--stroke);flex-wrap:wrap}.sheet-personal label{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700}.sheet-personal input{width:180px;font:inherit;color:var(--deep);border:0;border-bottom:1px solid var(--stroke);background:transparent;padding:8px}.worksheet-zone{padding:25px 40px;border-bottom:1px solid var(--stroke);break-inside:avoid}.worksheet-zone h2{display:flex;align-items:center;gap:15px;font:900 24px/1.5 var(--heading-font);margin:0 0 16px;color:var(--deep)}.worksheet-zone h2 .lesson-art{width:55px;height:55px}.worksheet-zone h2>span:not(.lesson-art){display:flex;gap:15px;align-items:center}.worksheet-zone h2 small{font:700 15px Georgia,serif;color:var(--accent)}.worksheet-zone label{display:block;color:var(--deep);font-size:15px;margin-bottom:12px}.worksheet-zone label strong{display:block;font-size:17px}.worksheet-zone label>span{display:block;font-size:14px;color:var(--muted);margin-top:4px}.worksheet-zone textarea{display:block;width:100%;min-height:150px;font:17px/1.9 var(--heading-font);color:var(--deep);padding:12px 14px;resize:vertical;border:1px solid var(--stroke);border-radius:8px;background:repeating-linear-gradient(transparent 0 34px,var(--pale) 34px 35px),var(--surface)}.worksheet-print-answer{display:none}.inquiry-sheet .sheet-reflection{display:block;width:100%;max-width:none;min-height:0;margin:0;padding:25px 40px;border:0;background:var(--pale);text-align:left;font-size:14px}.sheet-reflection p{font-size:12px;color:var(--muted);margin:10px 0 0}.worksheet-help{max-width:900px;margin:20px auto;font-size:13px;line-height:1.8;color:var(--muted)}
@media(max-width:850px){.lesson-cover{padding:28px;min-height:270px}.lesson-cover-number{width:125px;height:165px;font-size:90px}[data-world=classroom] .zone-route button .lesson-art{width:75px;height:75px}[data-world=classroom] .zone-route button .route-name{font-size:19px}}
@media(max-width:600px){[data-world=classroom] main#app{padding-top:14px}.lesson-cover{padding:25px 22px;min-height:0;display:block}.lesson-cover h1{font-size:32px;max-width:100%;margin-top:10px}.lesson-cover-number{display:none}.lesson-cover-actions{gap:12px}.lesson-cover-actions a{font-size:14px;padding:11px 15px}.lesson-topic{font-size:14px;line-height:1.8}.lesson-cover-copy>p:not(.lesson-topic){font-size:14px}.lesson-cover-art{display:block;width:100%;max-height:260px;margin-top:25px}[data-world=classroom] .zone-route button .lesson-art{width:42px;height:42px;margin:15px 0 5px}[data-world=classroom] .zone-route button .route-name{font-size:12px;letter-spacing:0}[data-world=classroom] .zone-route button{min-height:104px}[data-world=classroom] .course-zone summary .lesson-art{display:none}[data-world=classroom] .zone-heading strong{font-size:25px}[data-world=classroom] .zone-pending .lesson-art{width:48px;height:48px}.worksheet-toolbar{align-items:center;gap:10px;margin-bottom:16px}.worksheet-toolbar .outline{font-size:12px;padding:10px 12px}.sheet-heading{padding:25px!important}.sheet-heading h1{font-size:29px}.sheet-reference-art{width:90px;height:90px}.sheet-personal{padding:20px 25px;gap:12px}.sheet-personal label{width:100%}.sheet-personal input{flex:1;min-width:0}.worksheet-zone{padding:22px 25px}.worksheet-zone h2{font-size:23px}.worksheet-zone textarea{min-height:170px}.inquiry-sheet .sheet-reflection{padding:23px 25px;font-size:12px}.worksheet-help{font-size:12px}}
@media print{
 @page{size:A4;margin:14mm}
 [data-page=worksheet] body{background:white!important}
 [data-page=worksheet] body>header,[data-page=worksheet] body>footer,[data-page=worksheet] .worksheet-toolbar,[data-page=worksheet] .worksheet-help{display:none!important}
 [data-page=worksheet] main#app{padding:0!important;margin:0!important;max-width:none!important}
 .inquiry-sheet{border:0;box-shadow:none;border-radius:0;max-width:none;overflow:visible}
 .inquiry-sheet .sheet-heading{display:block!important;padding:6mm 7mm!important;background:var(--pale)!important;border-top:2mm solid var(--accent)}
 .sheet-heading h1{font-size:25pt}.sheet-heading p{font-size:10pt}.sheet-heading .lesson-edition{font-size:9pt}.sheet-reference-art{display:none}
 .sheet-personal{padding:4mm 7mm;gap:8mm;flex-wrap:nowrap}.sheet-personal label{width:auto;font-size:10pt}.sheet-personal input{width:45mm;padding:1mm;font-size:10pt}
 .worksheet-zone{padding:4mm 7mm;break-inside:avoid}.worksheet-zone h2{font-size:16pt;margin:0 0 2mm;gap:3mm}.worksheet-zone h2 .lesson-art{display:block!important;width:10mm!important;height:10mm!important}.worksheet-zone label{margin-bottom:2mm}.worksheet-zone label strong{font-size:11pt}.worksheet-zone label>span{font-size:9pt}.worksheet-zone textarea{display:none}
 .worksheet-print-answer{display:block;white-space:pre-wrap;overflow-wrap:anywhere;min-height:26mm;font-size:11pt;line-height:1.8;border:1px solid #bbc6c0;padding:3mm;background:repeating-linear-gradient(transparent 0 7mm,#e5eae6 7mm 7.2mm)}
 .worksheet-zone[data-section=game]{break-before:page}
 .inquiry-sheet .sheet-reflection{display:block!important;padding:4mm 7mm;min-height:0;font-size:10pt;background:var(--pale)!important}.sheet-reflection p{font-size:9pt}
 .lesson-cover{padding:10px;border:0;min-height:0}.lesson-cover-number,.lesson-cover-actions{display:none}.lesson-art{display:none}
}
.catalog-cover{display:block;width:100%;height:210px;object-fit:contain;margin-bottom:18px}
@media print{.inquiry-sheet .sheet-heading{display:flex!important}.inquiry-sheet .sheet-reference-art{display:block!important;width:32mm;height:26mm;object-fit:contain;flex-shrink:0}}

.worksheet-agenda{font-size:14px;line-height:1.8;margin:0 0 18px;padding:12px 15px;background:var(--pale);border-radius:8px}.worksheet-agenda b{display:block;color:var(--accent);font-size:12px;margin-bottom:3px}.worksheet-agenda small{display:block;font-size:12px;color:var(--muted)}.art-preview-link{display:flex;justify-content:space-between;gap:25px;align-items:center;margin:0 0 28px;padding:22px 28px;background:#f4e6cb;border:1px solid #baa47d;color:#204b42}.art-preview-link b{font-size:21px}.art-preview-link p{font-size:14px;margin:6px 0 0}.art-preview-link a{white-space:nowrap;font-size:14px;font-weight:700;border-bottom:1px solid}@media(max-width:600px){.art-preview-link{display:block;padding:22px}.art-preview-link a{display:inline-block;margin-top:15px}}@media print{.art-preview-link{display:none!important}.worksheet-agenda{font-size:9pt;padding:2mm 3mm;margin-bottom:2mm}.worksheet-agenda b,.worksheet-agenda small{font-size:8pt}}