.education-tool{min-width:0}.education-columns{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:32px;display:grid}.education-tool :is(input,select,textarea){min-width:0;max-width:100%}.education-tool .field-row{flex-wrap:wrap;align-items:start;gap:16px;display:flex}.education-tool .field-row>.field{flex:130px}.compact-field{min-width:160px;max-width:350px;margin:0}.learning-highlight{background:var(--mint);overflow-wrap:anywhere;border-radius:16px;padding:24px;line-height:1.7}.learning-highlight p{font-size:1.3rem;font-weight:700}.birthday-results{gap:12px;padding:0;list-style:none;display:grid}.birthday-results li{border:1px solid var(--line);border-radius:12px;padding:18px}.birthday-results p{white-space:pre-line;margin:8px 0}.education-tool .notice{line-height:1.7}.education-tool :is(ins.adsbygoogle,.google-auto-placed,.ad-slot){display:none!important}.json-editors{gap:20px}.json-editors textarea{resize:vertical;white-space:pre;min-height:360px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;line-height:1.7;overflow:auto}.measurement-reading{overflow-wrap:anywhere;padding:16px 0;font-size:clamp(24px,4vw,42px);font-weight:800}.measurement-stage{text-align:left;display:block}.measurement-stage .actions,.timer-stage.measurement-stage:is(:fullscreen,.is-expanded){justify-content:flex-start}.measurement-stage details{border:1px solid var(--line);border-radius:14px;padding:20px}.measurement-stage summary{cursor:pointer;font-size:1.15rem;font-weight:700}.ruler-svg{width:100%;height:180px;color:var(--ink);background:var(--sand);border-radius:12px;display:block;overflow:visible}.ruler-svg [data-point]{cursor:ew-resize;touch-action:none}.ruler-svg .ruler-grip{fill:var(--green);stroke:var(--paper);stroke-width:2px}.ruler-svg .grip-1{fill:#aa402e}.ruler-svg [data-point] text{fill:#fff;pointer-events:none;font-weight:700}#ruler-distance{stroke:var(--ink);stroke-width:3px}.reference-track{border:1px dashed var(--muted);height:80px;margin:18px 0;position:relative}.reference-line{background:var(--ink);border-left:3px solid;height:3px;position:absolute;top:35px;left:0}.reference-line>span{position:absolute;top:-28px;left:10px}.reference-handle{background:var(--green);color:#fff;cursor:ew-resize;touch-action:none;border:0;border-radius:8px;width:40px;height:44px;position:absolute;top:-20px;right:-20px}.protractor-columns{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}#protractor-diagram{text-align:center;min-width:0}#protractor-svg{width:100%;height:auto;display:block;overflow:visible}.protractor-face{fill:var(--teal);stroke:var(--ink);stroke-width:1px}.angle-ray{stroke-width:4px}.angle-ray.ray-a{stroke:#28785c}.angle-ray.ray-b{stroke:#aa402e}.angle-handle{stroke:#fff;stroke-width:2px}.angle-handle.ray-a{fill:#28785c}.angle-handle.ray-b{fill:#aa402e}[data-handle]{cursor:grab;touch-action:none}[data-handle][aria-disabled=true]{cursor:not-allowed}[data-handle] text{fill:#fff;pointer-events:none;font-weight:700}[data-handle]:focus-visible circle,.ruler-svg [data-point]:focus-visible circle{stroke:var(--orange);stroke-width:5px}#protractor-arc{fill:#e9bd6d88;stroke:var(--ink)}.print-angle-note{color:var(--muted);font-size:13px}.multiply-table{grid-template-columns:repeat(9,minmax(0,1fr));gap:8px;margin:24px 0;display:grid}.multiply-card{border:1px solid var(--line);min-height:65px;color:var(--ink);background:var(--paper);cursor:pointer;border-radius:10px;padding:8px 4px;font-size:14px;font-weight:650}.multiply-card[aria-pressed=true]{outline:2px solid var(--green);background:var(--mint)}.multiply-card.is-speaking{outline:3px solid var(--orange)}.learning-audio,.multiply-quiz-panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;margin:24px 0;padding:24px}.multiply-quiz-panel{border-top:5px solid var(--orange)}.multiply-question{text-align:center;padding:28px 0;font-size:clamp(38px,8vw,76px);font-weight:800}.multiply-choices{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.multiply-choices button{min-height:65px;font-size:1.5rem}#multiply-feedback{min-height:2em;font-size:1.25rem;font-weight:700}.learning-paper-preview{background:#edece4;max-height:800px;margin-top:24px;overflow:auto}.multiply-sheet{box-sizing:border-box;width:190mm;min-height:270mm;color:var(--ink);background:#fff;margin:12px auto;padding:12mm}.multiply-sheet.ink-saving{color:#111}.multiply-sheet h2{margin:0 0 3mm;font-size:20pt;line-height:1.3}.multiply-sheet>p{margin:0 0 6mm;font-size:10pt;line-height:1.4}.multiply-paper-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:3mm 10mm;margin:6mm 0 0;padding-left:10mm;font-size:14pt;line-height:1.35;display:grid}.multiply-paper-grid li{break-inside:avoid;padding:.5mm 0}@media (width<=800px){.education-columns{grid-template-columns:minmax(0,1fr)}.multiply-table{grid-template-columns:repeat(3,minmax(0,1fr))}.multiply-card{font-size:16px}.multiply-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-audio,.multiply-quiz-panel{padding:16px}}@media print{@page{size:A4 portrait;margin:10mm}.education-tool{border:0!important;padding:0!important}.workspace.education-tool>:not([data-print-root]):not(.protractor-columns){display:none!important}.workspace.education-tool>.protractor-columns{display:block!important}.protractor-columns>:not([data-print-root]){display:none!important}#protractor-diagram{width:180mm!important;margin:0 auto!important}#protractor-svg{margin:auto;width:160mm!important;height:auto!important}.learning-paper-preview{background:#fff!important;max-height:none!important;margin:0!important;display:block!important;overflow:visible!important}.multiply-sheet{break-after:page;break-inside:avoid;width:190mm;height:270mm;min-height:0;margin:0}.multiply-sheet:last-child{break-after:auto}:is(#protractor-diagram,.multiply-sheet){-webkit-print-color-adjust:exact;print-color-adjust:exact}}