.worksheet-intro{padding:40px 0 28px}.worksheet-intro h1{font-size:36px;margin-bottom:16px}.worksheet-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:24px 0 8px}.worksheet-tools label{font-size:14px;display:flex;gap:12px;align-items:center}.worksheet-tools select{font:inherit;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--white);color:var(--green);min-height:44px}.unit-nav{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;padding:8px 0 24px}.unit-nav button{text-align:left;background:var(--soft);padding:14px 12px;border:1px solid transparent;border-radius:6px;color:var(--ink);font-size:13px;line-height:1.4}.unit-nav button[aria-current=step]{background:var(--green);color:var(--white)}.unit-nav small{display:block;margin-bottom:8px;font-size:11px}.practice-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:28px;margin-bottom:16px}.unit-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}.unit-heading h2{font-size:28px;margin-bottom:8px}.unit-heading p{margin-bottom:0}.unit-heading .eyebrow{margin-bottom:8px}.unit-heading>.secondary{flex-shrink:0}.teacher-hint{padding:16px;background:var(--soft);font-size:15px;border-left:3px solid var(--green)}.exercise-row{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:center;max-width:900px;margin:auto}.exercise-art{background:#eee9dc;border-radius:8px;overflow:hidden;aspect-ratio:1;display:grid;place-items:center}.photo-svg{display:block;width:100%;height:auto;max-height:100%}.exercise-art .photo-svg{width:100%;height:100%}.exercise-number{font-size:12px;color:var(--muted);margin-bottom:12px}.sentence{font-size:clamp(22px,3vw,32px);line-height:1.6;margin:0 0 24px}.blank{display:inline-block;color:var(--green);border-bottom:2px solid var(--green);min-width:80px;text-align:center}.missing{font-size:56px;letter-spacing:2px}.choices{display:flex;gap:12px;flex-wrap:wrap}.choice{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px 20px;min-height:48px;min-width:60px;font-size:20px;color:var(--ink);text-align:left}.choice:hover{background:var(--soft);border-color:var(--green)}.choice.selected{border:2px solid var(--green);background:var(--soft)}.choice.wrong{border-color:var(--orange)}.sentence-choices{display:grid;gap:12px}.sentence-choices .choice{font-size:20px}.answer-form{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.answer-form label{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted)}.answer-input{font:inherit;font-size:24px;border:1px solid var(--line);border-radius:6px;padding:10px;width:220px;max-width:100%;color:var(--ink);background:var(--paper)}.feedback-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;min-height:48px}.feedback-row p{margin:0;color:var(--green)}.feedback-row p.error{color:#9c4023}.practice-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:16px}.worksheet-footer{display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-bottom:32px}.worksheet-footer p{margin:0;font-size:12px}.listen-scene{margin-top:20px}.listen-scene button{font-size:14px}.listen-scene audio{max-width:100%;height:40px;vertical-align:middle}.drawing-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:12px 0}.color-button{width:44px;height:44px;border-radius:50%;border:2px solid var(--line);background:var(--white)}.color-button[aria-pressed=true]{border:3px solid var(--orange)}.color-button::after{content:'';display:block;width:24px;height:24px;border-radius:50%;margin:auto;background:var(--pen)}.drawing-surface{position:relative;width:100%;max-width:720px;margin:auto}.drawing-surface canvas{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:8px;background:var(--paper);touch-action:none}.trace-example{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.trace-example path{stroke:#b7cbb9;stroke-width:24;fill:none;stroke-dasharray:6 8;stroke-linecap:round}.trace-example text{fill:var(--green);font-size:24px;font-weight:600}.trace-example .animate-stroke{stroke:var(--green);stroke-width:8;stroke-dasharray:600;stroke-dashoffset:600;animation:trace 3s linear forwards}@keyframes trace{to{stroke-dashoffset:0}}.canvas-hint{font-size:13px;color:var(--muted);text-align:center;padding:12px}.draw-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.draw-caption label{display:block;font-size:16px;padding-top:12px}.draw-caption input{width:100%;font:inherit;font-size:22px;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px;margin:8px 0}.draw-sentence{font-size:22px;color:var(--green);overflow-wrap:anywhere}.sort-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.sort-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px;font-size:13px;color:var(--ink)}.sort-card .photo-svg{height:96px}.sort-card[aria-pressed=true]{outline:3px solid var(--green);outline-offset:1px}.sort-card small{display:block;font-size:11px;color:var(--green);min-height:18px}.sort-buckets{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.bucket{border:1px solid var(--line);border-radius:8px;padding:16px;background:var(--paper);min-width:0}.bucket>button{width:100%;margin-bottom:12px}.bucket h3{font-size:17px;margin:0 0 8px}.bucket p{font-size:13px;margin:8px 0;overflow-wrap:anywhere}.bucket .bucket-items{min-height:48px}.sort-instruction{font-size:16px}.worksheet-entry{border-top:1px solid var(--line);padding:32px 0}.worksheet-entry h2{font-size:26px}.worksheet-list{display:flex;gap:8px;flex-wrap:wrap}.worksheet-list a{font-size:14px;padding:12px 16px;border:1px solid var(--line);border-radius:6px;background:var(--white)}.practice-link{display:inline-block;border-bottom:1px solid var(--green);color:var(--green);font-size:14px;margin:8px 0 12px}dialog{border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);padding:24px;max-width:1000px;width:90vw;max-height:90vh;overflow:auto}dialog::backdrop{background:#1b352acc}.dialog-heading{display:flex;justify-content:space-between;gap:16px;align-items:center}.dialog-heading h2{margin:0}.dialog-heading+.photo-svg,#original-image{margin:20px 0}#practice:fullscreen{background:var(--paper);overflow:auto;max-width:none;padding:32px 64px}#practice:fullscreen .worksheet-intro h1{font-size:32px}#practice:fullscreen .exercise-row{max-width:1100px;grid-template-columns:320px 1fr}#practice:fullscreen .choice{font-size:26px}#unit-summary{margin:16px 0 0;font-size:12px}@media(max-width:800px){.unit-nav{grid-template-columns:repeat(4,1fr)}.exercise-row{grid-template-columns:180px minmax(0,1fr);gap:20px}.sort-grid{grid-template-columns:repeat(4,1fr)}.sort-buckets{grid-template-columns:1fr}.draw-grid{grid-template-columns:1fr}.unit-heading h2{font-size:24px}.practice-card{padding:20px}}@media(max-width:560px){.worksheet-intro h1{font-size:30px}.worksheet-tools{gap:8px}.worksheet-tools .secondary{font-size:12px;padding:10px 12px}.unit-nav{grid-template-columns:repeat(2,1fr);gap:8px}.unit-nav button{padding:10px}.unit-heading{flex-direction:column;gap:12px}.practice-card{padding:16px}.exercise-row{grid-template-columns:1fr;gap:20px}.exercise-art{width:180px;margin:auto}.choices{gap:8px}.choice{font-size:18px;padding:10px 14px}.sentence-choices .choice{font-size:18px}.feedback-row{flex-direction:column;align-items:flex-start;gap:8px}.sort-grid{grid-template-columns:repeat(3,1fr);gap:8px}.sort-card{padding:4px}.sort-card .photo-svg{height:72px}.practice-bottom .secondary,.practice-bottom .primary{padding:10px 12px;font-size:12px}.worksheet-footer{gap:8px}.answer-input{width:180px}.draw-caption input{font-size:18px}#practice:fullscreen{padding:20px}#practice:fullscreen .exercise-row{grid-template-columns:1fr}.worksheet-entry h2{font-size:23px}dialog{padding:16px}}@media print{body>*:not(#original-dialog){display:none!important}#original-dialog{display:block!important;position:static;max-width:none;max-height:none;width:100%;padding:0;border:0}#original-dialog .dialog-heading,#print-original{display:none!important}#original-image{margin:0}.photo-svg{width:100%}@page{size:A4 landscape;margin:8mm}}

.word-bank{margin-top:16px;font-size:15px;color:var(--green)}.word-bank summary{cursor:pointer;min-height:44px;padding:8px 0}.word-bank p{background:var(--soft);padding:12px;border-radius:6px;line-height:1.8}