.topic-questions-tool{min-height:100vh}[data-tool-chromeless] .topic-questions-tool--quiz{position:fixed;inset:0;z-index:50;background:var(--color-bg-primary);display:flex;flex-direction:column;overflow:hidden}.topic-questions-tool .progress-dot{transition:background-color .25s var(--ease-out-quart)}.topic-questions-tool .feedback-sheet{transition:transform .3s var(--ease-out-expo),opacity .3s var(--ease-out-expo)}.topic-questions-tool .feedback-sheet[aria-hidden=true]{transform:translateY(100%);opacity:0;pointer-events:none}.topic-questions-tool .feedback-sheet[aria-hidden=false]{transform:translateY(0);opacity:1}.topic-questions-tool .option-btn:focus-visible{box-shadow:var(--shadow-focus)}@media (pointer:coarse){.topic-questions-tool .keyboard-hint{display:none}}@media (prefers-reduced-motion:reduce){.topic-questions-tool .feedback-sheet,.topic-questions-tool .progress-dot{transition:none}}