:root{--bg:#faf7f2;--card:#fff;--ink:#1f2a37;--muted:#667085;--line:#e4ded3;--c-blue:#3b82f6;--c-green:#22a06b;--c-orange:#f08a24;--c-purple:#8b5cf6;--c-gray:#64748b;--ok:#1a9560;--radius:24px;--font:ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);color:var(--ink);font-family:var(--font);touch-action:manipulation;margin:0;font-size:18px;line-height:1.4}h1,h2,p{margin:0}.page{max-width:1100px;min-height:100dvh;padding:max(20px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));flex-direction:column;gap:24px;margin:0 auto;display:flex}.page-header{align-items:center;gap:24px;min-height:64px;display:flex}.page-title{min-width:0;font-size:clamp(1.2rem,5.2vw,2rem)}.page-body{flex-direction:column;flex:1;justify-content:center;display:flex}.back{white-space:nowrap;border:2px solid var(--line);background:var(--card);min-height:56px;color:var(--muted);font:inherit;cursor:pointer;border-radius:999px;flex-shrink:0;align-items:center;padding:0 20px;font-size:1.2rem;font-weight:600;text-decoration:none;display:inline-flex}.page--fit{height:100dvh;min-height:0;overflow:hidden}.home-header{text-align:center;padding-top:clamp(0px,3dvh,24px)}.home-header h1{font-size:clamp(2.4rem,6vw,3.6rem)}.home-header p{color:var(--muted);margin-top:8px;font-size:clamp(1.4rem,3.5vw,2rem)}.tiles{flex:1;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-auto-rows:minmax(0,1fr);gap:20px;min-height:0;display:grid}.home-tile{border-radius:var(--radius);background:var(--card);border:3px solid var(--c);min-height:0;color:var(--ink);text-align:center;border-bottom-width:8px;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:0 8px;font-size:clamp(1.1rem,min(3.4dvh,5.2vw),1.8rem);font-weight:700;text-decoration:none;display:flex}.home-tile:active{transform:scale(.98)}.home-tile-icon{font-size:clamp(2rem,min(7dvh,13vw),3.4rem);line-height:1}.home-footer{justify-content:flex-end;display:flex}.parent-link{color:var(--muted);opacity:.7;padding:14px 18px;font-size:1rem;text-decoration:none}.btn{min-height:76px;font:inherit;cursor:pointer;border:0;border-radius:22px;justify-content:center;align-items:center;padding:0 36px;font-size:1.5rem;font-weight:700;text-decoration:none;display:inline-flex}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.4;cursor:default}.btn--primary{background:var(--c-blue);color:#fff}.btn--soft{color:#1d3b8b;background:#e8eefc}.btn--ghost{color:var(--muted);border:2px solid var(--line);background:0 0}.actions{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.actions--stack{flex-direction:column;align-items:stretch}.setup{flex-direction:column;align-items:stretch;gap:28px;width:100%;max-width:640px;margin:0 auto;display:flex}.choice-label,.prompt{color:var(--muted);margin-bottom:10px;font-weight:700}.choice-group{flex-wrap:wrap;gap:12px;display:flex}.chip{border:3px solid var(--line);background:var(--card);min-width:64px;min-height:64px;color:var(--ink);font:inherit;cursor:pointer;border-radius:18px;padding:0 24px;font-size:1.3rem;font-weight:600}.chip[aria-pressed=true]{border-color:var(--c-blue);color:#1d3b8b;background:#e8f0ff}.toggle{min-height:56px;color:var(--ink);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;margin-top:16px;padding:0 8px;font-size:1.15rem;display:inline-flex}.toggle-box{border:3px solid var(--line);background:var(--card);width:36px;height:36px;color:var(--c-blue);border-radius:10px;justify-content:center;align-items:center;font-weight:800;display:inline-flex}.toggle[aria-pressed=true] .toggle-box{border-color:var(--c-blue)}.empty,.hint{color:var(--muted);text-align:center}.text-input{border:3px solid var(--line);min-height:72px;font:inherit;text-align:center;border-radius:18px;padding:0 20px;font-size:1.8rem}.center-stack{flex-direction:column;align-items:center;gap:24px;display:flex}.reader{flex-direction:column;flex:1;gap:32px;display:flex}.reader-stage{text-align:center;flex:1;justify-content:center;align-items:center;min-height:40vh;display:flex}.reader-word{font-size:clamp(2.5rem, min(20vw, calc(130vw / var(--chars,6))), 13rem);letter-spacing:.02em;overflow-wrap:normal;word-break:normal;font-weight:600;line-height:1.1}.reader-sentence{font-size:clamp(2.2rem, min(8vw, calc(120vw / var(--chars,8))), 5.5rem);overflow-wrap:normal;max-width:18em;font-weight:600;line-height:1.25}.exercise{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;flex-direction:column;align-items:center;gap:36px;display:flex}.exercise .prompt{color:var(--ink);text-align:center;margin:0;font-size:clamp(1.4rem,3vw,2rem)}.sortable{border-radius:var(--radius);background:#f1ece2;flex-wrap:wrap;justify-content:center;gap:18px;width:100%;padding:28px;display:flex}.tile{background:var(--card);border:3px solid var(--line);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;cursor:grab;border-bottom-width:7px;border-radius:22px;justify-content:center;align-items:center;min-width:112px;min-height:112px;padding:0 24px;font-size:2.6rem;font-weight:700;display:flex}.tile--word{font-size:2.2rem}.sortable--empty{display:none}.tile--ghost{visibility:hidden}.slots{flex-wrap:wrap;justify-content:center;gap:18px;width:100%;padding:0 28px;display:flex}.slot{background:0 0;border:3px dashed #b9b2a3;border-radius:22px;justify-content:center;align-items:center;min-width:112px;min-height:119px;display:flex}.slot--word{min-width:190px}.slot--ready,.slot--over{border-color:var(--c-blue);background:#e8f0ff}.slot--filled{border-style:solid;border-color:#0000}.slot--filled .tile{margin:0}.tile--selected{border-color:var(--c-orange);background:#fff4e5}.tile--over{border-color:var(--c-blue);background:#e8f0ff}.tile--dragging{z-index:10;cursor:grabbing;position:relative;box-shadow:0 14px 30px #1f2a3740}.tile--done{border-color:var(--ok);background:#e9f8f0}.feedback-slot{min-height:3rem}.feedback{text-align:center;font-size:2rem;font-weight:700}.feedback--success{color:var(--ok);animation:.45s ease-out pop}.feedback--retry{color:var(--muted)}@keyframes pop{0%{opacity:0;transform:scale(.6)}70%{transform:scale(1.12)}to{opacity:1;transform:scale(1)}}.cloze-sentence{text-align:center;font-size:clamp(2rem,5.5vw,3.6rem);font-weight:600;line-height:2}.blank{border:0;border-bottom:5px dashed var(--c-gray);min-width:4.5ch;min-height:1.5em;color:inherit;font:inherit;cursor:pointer;vertical-align:baseline;background:#f1ece2;border-radius:12px 12px 0 0;margin:0 6px;padding:0 14px;font-weight:700;display:inline-block}.blank--ready,.blank--over{border-bottom-color:var(--c-blue);background:#e8f0ff}.blank--filled{border-bottom-style:solid;border-bottom-color:var(--c-blue);background:#e8f0ff}.bank{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.word-chip{background:var(--card);border:3px solid var(--line);touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;cursor:grab;border-bottom-width:7px;border-radius:22px;align-items:center;min-height:84px;padding:0 32px;font-size:2rem;font-weight:700;display:flex}.word-chip--selected{border-color:var(--c-orange);background:#fff4e5}.word-chip--used{opacity:.25;pointer-events:none}.word-chip--dragging{z-index:10;cursor:grabbing;position:relative;box-shadow:0 14px 30px #1f2a3740}@media (max-height:820px){.exercise{gap:18px}.tile{min-height:92px}.slot{min-height:99px}.sortable{padding:16px 24px}.btn{min-height:66px}.page{gap:14px}}.exercise .actions,.reader .actions{z-index:5;width:100%;padding:16px 0 max(16px, env(safe-area-inset-bottom));background:var(--bg);position:sticky;bottom:0}@media (max-width:600px){.tiles{grid-template-columns:repeat(2,1fr);gap:12px}.home-tile:last-child{grid-column:1/-1}.home-tile{border-bottom-width:6px;gap:6px}.home-header h1{font-size:clamp(1.9rem,5dvh,2.6rem)}.home-header p{font-size:clamp(1.1rem,2.8dvh,1.4rem)}.setup{gap:18px}.choice-label,.prompt{margin-bottom:6px}.chip{min-width:54px;min-height:54px;padding:0 16px;font-size:1.15rem}.page{padding-left:max(16px, env(safe-area-inset-left));padding-right:max(16px, env(safe-area-inset-right));gap:12px}.page-header{gap:14px;min-height:0}.back{padding:0 16px;font-size:1.1rem}.page-body{justify-content:flex-start}.btn{min-height:64px;padding:0 20px;font-size:1.2rem}.exercise .actions .btn,.reader .actions .btn{flex:1;padding:0 12px}.exercise .actions,.reader .actions{flex-wrap:nowrap;gap:12px}.tile{min-width:60px;min-height:72px;padding:0 10px;font-size:1.9rem}.slot{min-height:78px}.tile--word{min-height:56px;font-size:1.3rem}.slot--word{min-height:62px}.exercise{gap:14px}.feedback-slot{min-height:2.4rem}.feedback{font-size:1.6rem}.sortable{gap:10px;padding:14px}.slots{gap:8px;padding:0}.slot{border-radius:18px;min-width:60px}.sortable .tile--word,.slot--word{flex:0 0 calc(50% - 5px);min-width:0}.slot--word .tile--word{flex:1;width:100%}.tile--word{padding:0 8px;font-size:1.2rem}.slot{border-width:2px}.slot--filled .tile{min-width:56px}.word-chip{min-height:68px;padding:0 20px;font-size:1.5rem}.reader-stage{min-height:30vh}}
.print-layout{grid-template-columns:minmax(300px,380px) 1fr;align-items:start;gap:32px;display:grid}.print-controls{flex-direction:column;gap:24px;display:flex}.sheet-preview{min-width:0;overflow:hidden}.sheet-zoom{zoom:var(--zoom,1)}@media (max-width:900px){.print-layout{grid-template-columns:1fr}}.print-bar{z-index:5;padding:10px 8px max(12px, env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);margin:0 -8px;position:sticky;bottom:0}.print-bar .hint{margin-bottom:8px;font-size:.9rem}.print-bar-buttons{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.print-bar-buttons .btn{text-align:center;flex:1 1 0;min-height:60px;padding:0 14px;font-size:1.1rem}.print-bar-buttons .btn--ghost{flex-basis:100%;min-height:48px}@media (max-width:600px){.print-controls{gap:12px}.print-controls .choice-group{gap:8px}.print-controls .choice-label{margin-bottom:4px;font-size:.95rem}.print-controls .chip{border-radius:14px;min-width:46px;min-height:46px;padding:0 14px;font-size:1.05rem}.print-controls .toggle{min-height:44px;margin-top:8px}.print-controls .toggle-box{width:30px;height:30px}.print-bar{padding-top:8px}.print-bar .hint{margin-bottom:6px;font-size:.85rem}.print-bar-buttons .btn{min-height:52px;font-size:1rem}}.sheet{color:#000;border:1px solid var(--line);width:7.5in;max-width:none;font-family:var(--font);background:#fff;margin:0 auto;padding:.4in}.sheet-banner{text-align:center;letter-spacing:.08em;border:3px solid #000;margin-bottom:16px;padding:8px;font-weight:800}.sheet-header{border-bottom:2px solid #000;flex-direction:column;gap:14px;margin-bottom:20px;padding-bottom:12px;display:flex}.sheet-header h2{font-size:22pt}.sheet-name{white-space:nowrap;font-size:12pt}.line{border-bottom:1px solid #000;width:1.8in;display:inline-block}.line--short{width:1in}.sheet-words{grid-template-columns:repeat(3,1fr);gap:.22in .2in;margin:0;padding:0;list-style:none;display:grid}.sheet-words li{break-inside:avoid;border-bottom:1px solid #000;padding:.08in 0;font-size:26pt;font-weight:600}.sheet-phrases{margin:0;padding-left:.4in}.sheet-phrases li{break-inside:avoid;border-bottom:1px solid #000;padding:.1in 0 .16in .1in;font-size:24pt;font-weight:600;line-height:1.3}.sheet-phrases li::marker{font-size:14pt;font-weight:400}.sheet-row{break-inside:avoid;margin-bottom:.24in}.sheet-instruction{margin-bottom:4px;font-size:11pt}.sheet-given{gap:.3in;font-size:28pt;font-weight:700;display:flex}.sheet-boxes{gap:.15in;margin-top:.1in;display:flex}.sheet-box{border:2px solid #000;border-radius:6px;justify-content:center;align-items:center;min-width:.7in;height:.6in;padding:0 .1in;font-size:24pt;font-weight:700;display:inline-flex}.sheet-bank{border:2px solid #000;border-radius:8px;flex-wrap:wrap;align-items:center;gap:.1in .3in;margin-bottom:.3in;padding:.12in .2in;font-size:18pt;font-weight:700;display:flex}.sheet-bank-label{font-size:11pt;font-weight:400}.sheet-cloze{margin:0;padding-left:.4in}.sheet-cloze li{break-inside:avoid;margin-bottom:.08in;font-size:20pt;line-height:2.2}.gap{text-align:center;border-bottom:2px solid #000;min-width:1.6in;padding:0 .05in;font-weight:700;display:inline-block}@page{size:letter;margin:.5in}@media print{html,body{font-size:12pt;background:#fff!important}.no-print,.page-header,.home-footer{display:none!important}.page{max-width:none;padding:0;display:block}.page-body,.print-layout{display:block}.sheet-preview{overflow:visible}.sheet-zoom{zoom:1!important}.sheet{border:0;width:auto;margin:0;padding:0}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}