/* One shared multiple-choice palette; independent from learning language/theme. */
body.mcq-active #main{background:#10182D;color:#F4F6FF}
#main .mcq-host,#main .mcq-surface{background:#10182D;color:#F4F6FF;border:1px solid #52678E;border-radius:16px;min-width:0;overflow-wrap:anywhere}
#main .mcq-host{padding:clamp(16px,3vw,28px);border:1px solid #52678E}
#main .mcq-surface legend,#main .mcq-surface h2,#main .mcq-surface h3{color:#F4F6FF;line-height:1.6}
#main .mcq-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-width:0}
#main fieldset.mcq-options>legend,#main fieldset.mcq-options>.mcq-selection,#main fieldset.mcq-options>.options,#main fieldset.mcq-options>.listen-controls{grid-column:1/-1}
#main .mcq-options>.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#main .mcq-option{display:flex;align-items:center;gap:10px;background:#202E4B;color:#F4F6FF;border:1px solid #52678E;border-radius:12px;padding:14px 16px;min-height:54px;min-width:0;width:100%;margin:0;box-sizing:border-box;font:inherit;text-align:start;white-space:normal;overflow-wrap:anywhere;cursor:pointer;position:relative}
#main .mcq-letter{color:#E6C46B;flex-shrink:0;font-weight:700}
#main .mcq-option input[type=radio]{position:absolute;opacity:0;width:1px;height:1px}
#main .mcq-option.mcq-selected,#main .mcq-option:has(input:checked),#main .mcq-option[aria-pressed="true"]{background:#96691D;border-color:#F2C85B;color:#fff}
#main .mcq-option.correct,#main .mcq-option[data-mcq-result="correct"]{background:#145D43!important;border-color:#5FC598!important;color:#fff}
#main .mcq-option.incorrect,#main .mcq-option.wrong,#main .mcq-option[data-mcq-result="incorrect"]{background:#802D3C!important;border-color:#E397A6!important;color:#fff}
#main .mcq-option:focus-visible,#main .mcq-option:focus-within,#main .mcq-explain:focus-visible{outline:3px solid #F2C85B;outline-offset:3px}
#main .mcq-option:disabled{opacity:1;cursor:default}
#main .mcq-explain{background:#96691D;color:#fff;border:1px solid #F2C85B;border-radius:10px;padding:12px 20px;min-height:44px;font:inherit;cursor:pointer;margin:8px 0 16px}
#main .mcq-selection{color:#E6C46B;line-height:1.6;margin:14px 0}
body.mcq-active #main progress{accent-color:#E6C46B;width:100%;height:8px;border:0;border-radius:8px;overflow:hidden}body.mcq-active #main progress::-webkit-progress-value{background:#E6C46B}body.mcq-active #main progress::-webkit-progress-bar{background:#202E4B}body.mcq-active #main progress::-moz-progress-bar{background:#E6C46B}
#main .mcq-host .q-explanation,#main .mcq-host .feedback{background:#202E4B;color:#F4F6FF;border-color:#E6C46B;border-radius:10px}#main .mcq-host a{color:#E6C46B}
#main .mcq-options [hidden],#main .mcq-explain[hidden],#main .mcq-selection[hidden]{display:none!important}
@media(max-width:600px){#main .mcq-options,#main .mcq-options>.options{grid-template-columns:1fr}#main .mcq-option{padding:12px;min-height:52px}}

#main [data-q-action="check"][hidden],#main [data-training="check"][hidden],#main [data-action="review-check"][hidden],#quiz-form button[hidden]{display:none!important}

@keyframes mcq-reveal{0%,100%{filter:brightness(1)}35%,75%{filter:brightness(1.35)}}
#main .mcq-option.mcq-reveal{animation:mcq-reveal .7s ease-in-out 2}
@media(prefers-reduced-motion:reduce){#main .mcq-option.mcq-reveal{animation:none}}