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var(--ct-border)}.mfk-config__title{font-size:var(--ct-text-xl);font-weight:700;color:var(--ct-text-main);margin-bottom:4px}.mfk-config__desc{font-size:var(--ct-text-sm);color:var(--ct-text-muted)}.mfk-field{display:flex;flex-direction:column;gap:12px}.mfk-field__label{font-size:var(--ct-text-base);font-weight:700;color:var(--ct-text-main);display:flex;align-items:center;gap:8px}.mfk-field__label-sm{font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-text-muted)}.mfk-field__step{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:9999px;background-color:var(--ct-primary);color:var(--ct-bg);font-size:var(--ct-text-xs);font-weight:700;flex-shrink:0}.mfk-field__note{font-size:var(--ct-text-sm);color:var(--ct-accent);font-weight:600}.mfk-row{display:grid;grid-template-columns:1fr 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.mfk-count{flex:1}.mfk-mode-box{padding:24px;border-radius:12px;background-color:var(--ct-bg-soft);border:1px solid var(--ct-border)}.mfk-mode-box__header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}.mfk-mode-box__hint{font-size:var(--ct-text-sm);color:var(--ct-text-muted);margin-top:4px}.mfk-mode-switch{display:flex;background-color:var(--ct-border);border-radius:12px;padding:4px}.mfk-mode-switch__btn{padding:8px 24px;border-radius:8px;border:none;background:none;font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-text-muted);cursor:pointer;transition:background-color .2s,color .2s}.mfk-mode-switch__btn--active{background-color:var(--ct-bg);color:var(--ct-accent);box-shadow:var(--ct-shadow-sm)}.mfk-timer-settings{margin-top:24px;display:flex;flex-direction:column;gap:24px}.mfk-range-wrap{display:flex;align-items:center;gap:16px}.mfk-range{flex:1;accent-color:var(--ct-accent)}.mfk-range__val{font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-accent);min-width:64px}.mfk-cta{display:flex;flex-direction:column;align-items:center;gap:16px;padding-top:16px}.mfk-timer-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-radius:12px;background-color:var(--ct-primary);color:var(--ct-bg);margin-bottom:24px}.mfk-timer-bar__left,.mfk-timer-bar__right{display:flex;align-items:center;gap:12px}.mfk-timer-bar__icon{font-size:var(--ct-text-xl)}.mfk-timer-bar__label{font-size:var(--ct-text-xs);opacity:.7;text-transform:uppercase;letter-spacing:.05em;font-weight:700}.mfk-timer-bar__time{font-size:var(--ct-text-xl);font-weight:900;font-variant-numeric:tabular-nums}.mfk-progress-wrap{display:flex;align-items:center;gap:12px;margin-bottom:32px}.mfk-progress{flex:1;height:8px;border-radius:9999px;background-color:var(--ct-bg-soft);overflow:hidden}.mfk-progress__bar{height:100%;border-radius:9999px;background-color:var(--ct-accent);width:0%;transition:width .25s}.mfk-progress__text{font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-text-muted);min-width:64px;text-align:right}.mfk-question{padding:48px 24px;border:1px solid var(--ct-border);border-radius:12px;background-color:var(--ct-bg);text-align:center}.mfk-question__index{font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-text-muted);text-transform:uppercase;letter-spacing:.02em;margin-bottom:32px}.mfk-question__expr{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:24px}.mfk-question__operand{font-size:64px;font-weight:900;color:var(--ct-text-main);line-height:1}.mfk-question__op{font-size:var(--ct-text-5xl);font-weight:400;color:var(--ct-accent);line-height:1}.mfk-question__eq{font-size:var(--ct-text-5xl);font-weight:400;color:var(--ct-text-muted);line-height:1}.mfk-question__input{width:160px;height:80px;font-family:var(--ct-font, inherit);font-size:var(--ct-text-5xl);font-weight:900;text-align:center;border:4px dashed var(--ct-border);border-radius:12px;background-color:var(--ct-bg-soft);color:var(--ct-accent);outline:none;-moz-appearance:textfield}.mfk-question__input::-webkit-outer-spin-button,.mfk-question__input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.mfk-question__input:focus{border-color:var(--ct-accent);border-style:solid}.mfk-input--correct{border-color:var(--ct-success)!important;border-style:solid!important;background-color:var(--ct-success-bg)!important;color:var(--ct-success)!important}.mfk-input--wrong{border-color:var(--ct-error)!important;border-style:solid!important;background-color:var(--ct-error-bg)!important;color:var(--ct-error)!important}.mfk-question__feedback{min-height:24px;font-size:var(--ct-text-base);font-weight:700;margin-bottom:24px}.mfk-feedback--correct{color:var(--ct-success)}.mfk-feedback--wrong{color:var(--ct-error)}.mfk-question__actions{display:flex;justify-content:center;gap:16px}.mfk-question__actions .btn{min-width:120px}.mfk-question__actions .btn--primary{min-width:180px}.mfk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.mfk-card{padding:24px 16px;border:1px solid var(--ct-border);border-radius:12px;background-color:var(--ct-bg);text-align:center;transition:border-color .2s}.mfk-card:hover{border-color:var(--ct-accent)}.mfk-card--correct{border-color:var(--ct-success)!important;background-color:var(--ct-success-bg)}.mfk-card--wrong{border-color:var(--ct-error)!important;background-color:var(--ct-error-bg)}.mfk-card__expr{font-size:var(--ct-text-2xl);font-weight:900;margin-bottom:16px;line-height:1.2}.mfk-card__answer{display:flex;flex-direction:column;gap:8px}.mfk-card__label{font-size:var(--ct-text-sm);color:var(--ct-text-muted);font-weight:600}.mfk-card__input{width:100%;text-align:center;font-family:var(--ct-font, inherit);font-size:var(--ct-text-xl);font-weight:700;padding:12px;border:2px solid var(--ct-border);border-radius:12px;background-color:var(--ct-bg-soft);color:var(--ct-text-main);outline:none;-moz-appearance:textfield}.mfk-card__input::-webkit-outer-spin-button,.mfk-card__input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.mfk-card__input:focus{border-color:var(--ct-accent)}.mfk-card__input:disabled{opacity:.7}.mfk-grid-actions{display:flex;justify-content:center;padding:16px 0}.mfk-quit-wrap{display:flex;justify-content:center;padding-top:16px}.mfk-quit-btn{color:var(--ct-text-muted);border-color:var(--ct-border)}.mfk-results{display:flex;flex-direction:column;gap:32px;padding-top:16px}.mfk-results__header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;margin-bottom:8px}.mfk-results__trophy{width:80px;height:80px;border-radius:9999px;background-color:var(--ct-bg-soft);border:1px solid 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var(--ct-border);border-radius:12px;background-color:var(--ct-bg);display:flex;align-items:center;justify-content:space-between;gap:32px}.mfk-score-card__main{display:flex;flex-direction:column;gap:8px}.mfk-score-card__label{font-size:var(--ct-text-sm);font-weight:700;color:var(--ct-text-muted);text-transform:uppercase;letter-spacing:.04em}.mfk-score-card__points{display:flex;align-items:baseline;gap:8px}.mfk-score-card__num{font-size:64px;font-weight:900;color:var(--ct-accent);line-height:1}.mfk-score-card__unit{font-size:var(--ct-text-lg);font-weight:700;color:var(--ct-text-muted)}.mfk-score-card__badge{display:inline-flex;align-items:center;gap:8px;padding:8px 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.mfk-stat__label{color:var(--ct-error);opacity:.8}.mfk-stat--skip .mfk-stat__label{color:var(--ct-text-muted)}.mfk-detail{display:flex;flex-direction:column;gap:16px}.mfk-detail__heading{font-size:var(--ct-text-lg);font-weight:700;color:var(--ct-text-main);display:flex;align-items:center;gap:8px}.mfk-detail__heading-icon{font-size:var(--ct-text-lg);line-height:1;color:var(--ct-accent)}.mfk-detail__list{display:flex;flex-direction:column;gap:12px}.mfk-result{display:flex;align-items:center;justify-content:space-between;padding:24px;border-radius:12px;background-color:var(--ct-bg);border:1px solid var(--ct-border);border-left-width:8px}.mfk-result--correct{border-left-color:var(--ct-success)}.mfk-result--wrong{border-left-color:var(--ct-error)}.mfk-result--skipped{border-left-color:var(--ct-border)}.mfk-result__left{display:flex;flex-direction:column;gap:4px}.mfk-result__idx{font-size:var(--ct-text-xs);font-weight:700;color:var(--ct-text-muted);text-transform:uppercase}.mfk-result__expr{font-size:var(--ct-text-lg);font-weight:700;color:var(--ct-text-main)}.mfk-result__answer{color:var(--ct-success)}.mfk-result__right{display:flex;align-items:center;gap:16px}.mfk-result__user-wrap{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.mfk-result__user-label{font-size:var(--ct-text-xs);color:var(--ct-text-muted);font-weight:600}.mfk-result__user{font-size:var(--ct-text-base);font-weight:700}.mfk-result__user--correct{color:var(--ct-text-main)}.mfk-result__user--wrong{color:var(--ct-error)}.mfk-result__user--skip{color:var(--ct-text-muted)}.mfk-result__icon{font-size:var(--ct-text-2xl);line-height:1}.mfk-results__actions{display:flex;justify-content:center;gap:16px;padding-top:32px;padding-bottom:32px}@media(max-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{flex-direction:column;text-align:center}.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{max-width:none;width:100%}.mfk-results__actions{flex-direction:column;align-items:center}.mfk-results__actions .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 .btn{width:100%;min-width:0}.mfk-per-q{flex-wrap:wrap}.mfk-timer-bar{flex-direction:column;gap:12px;text-align:center}}