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.question-text{flex:1;min-width:0;overflow-wrap:anywhere}
.question .answers{margin-top:0}
.answer-label>span{min-width:0;overflow-wrap:anywhere}
.logic-expression{display:inline-block;max-width:100%;direction:ltr;unicode-bidi:isolate;vertical-align:baseline;font-family:Arial,sans-serif;line-height:1.65;overflow-x:auto}
.logic-not{display:inline-block;border-top:.075em solid currentColor;padding:.07em .035em 0;line-height:1.25;white-space:nowrap;vertical-align:baseline}
.logic-not .logic-not{margin-top:.12em}
.formula-block,.math-line,.boolean-static-pair>span{overflow-x:auto;max-width:100%}
@media(max-width:640px){.question legend{margin-block-end:14px}.question-heading{gap:8px}}

.logic-expression[role="math"]{font-size:inherit;color:inherit}
.logic-expression .logic-not{font:inherit;line-height:1.25;color:inherit;border-radius:0}

/* Question diagrams retain readable labels on narrow screens. */
.quiz-diagram{margin:2px 0 20px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--blue-soft,#edf3fb)}
.quiz-diagram-scroll{overflow-x:auto;direction:ltr}
.quiz-diagram svg{display:block;width:100%;max-width:650px;min-width:480px;height:auto;margin:auto;direction:ltr;color:var(--navy,#102c61)}
.quiz-diagram svg text{font:18px Arial,sans-serif;fill:currentColor;direction:ltr;unicode-bidi:isolate}
.quiz-diagram .qd-wire{fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.quiz-diagram .qd-component,.quiz-diagram .gates-shape,.quiz-diagram .gates-bubble{fill:white;stroke:currentColor;stroke-width:2.5}
.quiz-diagram .gates-extra-curve{fill:none;stroke:currentColor;stroke-width:2.5}
.quiz-diagram .qd-node{fill:currentColor}
.quiz-diagram figcaption{font-size:.85rem;color:var(--muted);text-align:start;padding:4px 6px}