.worksheet-controls{margin-bottom:24px}.worksheet-input-heading,.worksheet-preview-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.worksheet-input-heading label{margin-bottom:6px}.worksheet-controls textarea{min-height:105px;resize:vertical}.worksheet-input-actions{margin:10px 0}.worksheet-status{min-height:1.65em;font-size:.9rem;color:var(--muted)}.worksheet-status[data-error=true]{color:#a52a17}.worksheet-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;margin-top:16px}.worksheet-options input,.worksheet-options select,.worksheet-reading-editor input{width:100%;min-width:0;min-height:42px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);background:#fff;font:inherit}.worksheet-options select:disabled{background:#f1eee8;color:var(--muted)}.worksheet-controls .worksheet-checkbox{display:flex;gap:8px;align-items:center;margin:16px 0 4px;font-weight:400}.worksheet-checkbox input{width:18px;height:18px;accent-color:var(--primary)}.worksheet-readings{margin-top:16px;padding:12px;border:1px solid var(--border);border-radius:var(--radius)}.worksheet-readings summary{cursor:pointer;font-weight:600}.worksheet-readings .field-hint{margin:8px 0}.worksheet-reading-editor{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;max-height:340px;overflow:auto;margin:12px 0;padding:2px}.worksheet-reading-editor label{margin:0;font-size:.9rem}.worksheet-reading-editor input{margin-top:3px;font-family:system-ui,sans-serif}.worksheet-print-actions{align-items:center;margin:18px 0 8px}.worksheet-preview-heading{margin-bottom:12px}.worksheet-preview-heading h2{margin:0;font-size:1.2rem}.worksheet-empty{padding:32px 16px;text-align:center;border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted)}.worksheet-preview-viewport{width:100%;overflow:hidden}.worksheet-preview-scale{width:210mm;transform-origin:top left}#worksheet-pages{display:flex;flex-direction:column;gap:20px}.worksheet-sheet{box-sizing:border-box;flex-shrink:0;width:210mm;height:297mm;padding:12mm 15mm;background:#fff;color:#222;box-shadow:0 2px 12px #0002;font-family:Kaiti SC,KaiTi,STKaiti,"Noto Serif CJK SC",Songti SC,serif;line-height:normal}.worksheet-sheet .worksheet-paper-header{height:24mm}.worksheet-sheet .worksheet-paper-header h2{margin:0 0 3mm;border:0;padding:0;height:9mm;font-size:16pt;line-height:9mm;text-align:center;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.worksheet-paper-info{display:flex;justify-content:space-between;font-size:10pt;line-height:6mm}.worksheet-paper-rows{min-height:232mm}.worksheet-practice-row{height:29mm;break-inside:avoid;page-break-inside:avoid}.worksheet-row-meta{display:flex;align-items:center;height:6mm;gap:3mm;font-family:Arial,sans-serif;font-size:10pt;line-height:6mm}.worksheet-reading{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150mm}.worksheet-cells{display:grid;grid-template-columns:repeat(10,18mm);width:180mm;height:18mm}.worksheet-cell{box-sizing:border-box;width:18mm;height:18mm;position:relative;display:flex;align-items:center;justify-content:center;border:.25mm solid #666;border-right:0}.worksheet-cell:last-child{border-right:.25mm solid #666}.worksheet-cell:before,.worksheet-cell:after{content:"";position:absolute;pointer-events:none}.worksheet-cell:before{top:50%;left:0;width:100%;border-top:.2mm dashed #aaa}.worksheet-cell:after{left:50%;top:0;height:100%;border-left:.2mm dashed #aaa}.worksheet-trace{position:relative;z-index:1;color:#aaa;font-size:35pt;font-weight:400;line-height:1}.worksheet-paper-footer{height:12mm;display:flex;align-items:center;justify-content:space-between;font-size:9pt;color:#666}.worksheet-help ol{padding-left:1.5em}.worksheet-help li{margin:6px 0}@media(max-width:560px){.worksheet-options{grid-template-columns:1fr;gap:12px}.worksheet-input-actions .btn{flex:1 1 auto}.worksheet-print-actions{align-items:stretch;flex-direction:column}.worksheet-print-actions .btn{min-height:46px}}@page{size:A4 portrait;margin:0}@media print{html,body{width:210mm!important;min-width:0!important;margin:0!important;padding:0!important;background:#fff!important;display:block!important}body>:not(main),main>:not(.tool-layout),.tool-layout>:not(.tool-main),.tool-main>:not(.worksheet-preview-section),.worksheet-preview-section>:not(.worksheet-preview-viewport){display:none!important}body main,.tool-layout,.tool-main,.worksheet-preview-section,.worksheet-preview-viewport,.worksheet-preview-scale,#worksheet-pages{display:block!important;width:210mm!important;max-width:none!important;height:auto!important;margin:0!important;padding:0!important;border:0!important;overflow:visible!important;transform:none!important}.worksheet-sheet{margin:0!important;box-shadow:none!important;break-inside:avoid;page-break-inside:avoid;break-after:page;page-break-after:always;print-color-adjust:exact;-webkit-print-color-adjust:exact}.worksheet-sheet:last-child{break-after:auto;page-break-after:auto}}