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var(--ct-border);border-radius:12px;padding:24px}.mfk-mode-box__header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.mfk-mode-box__hint{font-size:var(--ct-text-sm);color:var(--ct-text-muted);margin-top:4px}.mfk-mode-switch{background-color:var(--ct-border);border-radius:12px;padding:4px;display:flex}.mfk-mode-switch__btn{font-size:var(--ct-text-sm);color:var(--ct-text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 24px;font-weight:700;transition:background-color .2s,color 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(width<=640px){.mfk-config{padding:24px 16px}.mfk-row{grid-template-columns:1fr}.mfk-ops{grid-template-columns:repeat(2,1fr)}.mfk-question__operand{font-size:var(--ct-text-4xl)}.mfk-question__op,.mfk-question__eq{font-size:var(--ct-text-3xl)}.mfk-question__input{width:120px;height:64px;font-size:var(--ct-text-3xl)}.mfk-score-card{text-align:center;flex-direction:column}.mfk-score-card__main{align-items:center}.mfk-score-card__badge{margin:0 auto}.mfk-score-card__num{font-size:var(--ct-text-5xl)}.mfk-score-card__stats{width:100%;max-width:none}.mfk-results__actions{flex-direction:column;align-items:center}.mfk-results__actions .game-btn{width:100%;min-width:0}.mfk-result{padding:16px}.mfk-result__user-wrap{display:none}.mfk-result__expr{font-size:var(--ct-text-base)}.mfk-grid{grid-template-columns:1fr 1fr}.mfk-question__actions{flex-direction:column}.mfk-question__actions .game-btn{width:100%;min-width:0}.mfk-per-q{flex-wrap:wrap}.mfk-timer-bar{text-align:center;flex-direction:column;gap:12px}}