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var(--math);outline-offset:2px}.choice.selected{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);background:#fff}.choice.correct{background:var(--correct-soft);border-color:var(--correct)}.choice.wrong{background:var(--wrong-soft);border-color:var(--wrong)}.choice:disabled{cursor:default;opacity:.95}.key{border:1px solid var(--grid);background:#fff;border-radius:6px;padding:1px 7px;font-family:IBM Plex Mono,monospace;font-size:.8rem;font-weight:600}.feedback-note{border-radius:10px;margin-top:10px;padding:11px 14px;font-size:.9rem}.feedback-note.good{background:var(--correct-soft);color:#1d5c27}.feedback-note.bad{background:var(--wrong-soft);color:#7b241a}.summary-box{background:var(--paper);border:1px dashed var(--grid);border-radius:10px;margin-top:4px;padding:16px;font-size:.95rem}.result-hero{font-family:Bricolage 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var(--grid);color:var(--ink-soft);margin-top:36px;padding-top:16px}.lesson{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border-left:6px solid var(--math);margin-top:22px;padding:24px}.lesson.english{border-left-color:var(--english)}.lesson-tag{background:var(--math-soft);color:var(--math);border-radius:99px;padding:3px 10px;font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:600}.lesson.english .lesson-tag{background:var(--english-soft);color:var(--english)}.lesson h2{margin-top:10px}.lesson>p{max-width:62ch;margin-top:10px}.lesson-example{background:var(--paper);border:1px dashed var(--grid);border-radius:10px;margin-top:16px;padding:16px 18px}.lesson-example-label{color:var(--ink-soft);font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:600}.lesson-example .q-text{margin-top:8px}.lesson-example ol{gap:6px;margin:10px 0 0 22px;font-size:.95rem;display:grid}.lesson-answer{margin-top:12px;font-weight:700}.help-row{justify-items:start;gap:8px;margin-top:10px;display:grid}.hint-btn{font:inherit;color:var(--math);border:1.5px dashed var(--math);cursor:pointer;background:0 0;border-radius:99px;padding:6px 14px;font-size:.85rem;font-weight:600}.hint-btn:hover{background:var(--math-soft)}.hint-btn:focus-visible{outline:3px solid var(--math);outline-offset:2px}.hint-note{color:#7a5d00;background:#fff8e1;border-radius:10px;width:100%;padding:10px 14px;font-size:.9rem}.help-note{background:var(--math-soft);color:var(--ink);white-space:pre-wrap;border-radius:10px;width:100%;padding:12px 14px;font-size:.92rem}.stat-row{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;display:grid}@media (max-width:560px){.stat-row{grid-template-columns:1fr}}.stat-tile{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.stat-num{font-family:Bricolage 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Mono,monospace;font-size:10px}.chart-last{fill:var(--ink);font-family:IBM Plex Mono,monospace;font-size:12px;font-weight:600}.chart-tip{background:var(--ink);color:#fff;white-space:nowrap;pointer-events:none;box-shadow:var(--shadow);border-radius:8px;padding:5px 10px;font-family:IBM Plex Mono,monospace;font-size:.75rem;position:absolute;transform:translate(-50%,-140%)}.skill-chips{flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;display:flex}.skill-chips-label{color:var(--ink-soft);font-size:.82rem;font-weight:600}.skill-chip{background:var(--paper);border:1px solid var(--grid);color:var(--ink);border-radius:99px;padding:3px 10px;font-family:IBM Plex Mono,monospace;font-size:.75rem}.history{margin-top:14px}.history summary{cursor:pointer;color:var(--ink-soft);font-size:.85rem;font-weight:600}.history-table{border-collapse:collapse;width:100%;margin-top:10px;font-size:.88rem}.history-table th{text-align:left;color:var(--ink-soft);border-bottom:1px solid var(--grid);padding:6px 8px;font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:600}.history-table td{border-bottom:1px solid var(--grid);padding:7px 8px}.intake-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border-left:6px solid var(--ink);margin-top:22px;padding:24px}.field select{width:100%;font:inherit;border:1.5px solid var(--grid);background:var(--paper);cursor:pointer;border-radius:10px;padding:10px 12px}.field select:focus-visible{outline:3px solid var(--math);outline-offset:1px}.intake-options{gap:8px;display:grid}.intake-option{cursor:pointer;background:var(--paper);border:1.5px solid var(--grid);border-radius:10px;align-items:center;gap:10px;padding:11px 14px;font-size:.95rem;display:flex}.intake-option:hover{border-color:var(--ink)}.intake-option.selected{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);background:#fff}.intake-option input{accent-color:var(--math);flex:none;width:16px;height:16px}.child-chips{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.child-chip{font:inherit;cursor:pointer;background:var(--card);color:var(--ink);border:1.5px solid var(--grid);border-radius:99px;padding:7px 16px;font-size:.88rem;font-weight:600;transition:border-color .12s}.child-chip:hover{border-color:var(--ink)}.child-chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}.child-chip.add{color:var(--ink-soft);background:0 0;border-style:dashed}.child-chip:focus-visible{outline:3px solid var(--math);outline-offset:2px}.child-add{align-items:center;gap:8px;display:flex}.child-add input{font:inherit;border:1.5px solid var(--grid);background:var(--card);border-radius:99px;width:180px;padding:7px 12px;font-size:.88rem}.child-add input:focus-visible{outline:3px solid var(--math);outline-offset:1px}.visual-box{border:1px dashed var(--grid);background:#fff;border-radius:10px;margin-top:12px;padding:12px 14px}.lesson-example .visual-box{background:var(--card)}.mv{width:100%;height:auto;display:block}.mv-area,.mv-clock{margin:0 auto}