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#00000040;display:flex;flex-direction:column;gap:2px;height:64px;justify-content:center;left:50%;min-height:64px;min-width:64px;padding:0;position:absolute;transform:translateX(-50%);transition:box-shadow .2s ease,background .3s ease,transform .2s ease;width:64px;z-index:100}.mute-button svg{flex-shrink:0}.mute-button .start-hint{animation:bounce 1.5s ease-in-out infinite;color:#667eea;font-size:.7rem;font-weight:700;left:50%;position:absolute;top:-28px;transform:translateX(-50%);white-space:nowrap}.mute-button.muted{animation:pulse 2s ease-in-out infinite;background:linear-gradient(135deg,#ff6b6b,#ee5a5a)}.mute-button.muted:hover{background:linear-gradient(135deg,#ff5252,#e53935)}.mute-button.unmuted{background:linear-gradient(135deg,#4ade80,#22c55e)}.mute-button.unmuted:hover{background:linear-gradient(135deg,#22c55e,#16a34a)}.mute-button:hover:not(:disabled){box-shadow:0 6px 24px #0000004d;transform:translateX(-50%) 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.quiz-attempts{color:#0009;font-size:.8rem;margin-top:8px;text-align:center}.quiz-container .quiz-freetext-input{display:flex;flex-direction:column;gap:8px}.quiz-container .quiz-freetext-input input[type=number],.quiz-container .quiz-freetext-input input[type=text],.quiz-container .quiz-freetext-input textarea{background:#fff;border:2px solid #667eea4d;border-radius:8px;box-sizing:border-box;color:#333;font-family:inherit;font-size:1rem;line-height:1.5;padding:12px 14px;resize:vertical;transition:border-color .2s,box-shadow .2s;width:100%}.quiz-container .quiz-freetext-input input[type=number]:focus,.quiz-container .quiz-freetext-input input[type=text]:focus,.quiz-container .quiz-freetext-input textarea:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea33;outline:none}.quiz-container .quiz-freetext-input input[type=number]::placeholder,.quiz-container .quiz-freetext-input input[type=text]::placeholder,.quiz-container .quiz-freetext-input 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.botImage{display:none}.quiz-container{margin-bottom:0;max-height:none}}@media(max-width:768px)and (orientation:landscape){.content-panel.has-quiz{max-height:100%}.content-panel.has-quiz main{padding-bottom:80px}}@media(prefers-reduced-motion:reduce){.avatar-container.listening,.avatar-container.speaking,.botImage.listening,.botImage.speaking{animation:none;box-shadow:0 4px 20px #0000001a}.avatar-container.speaking,.botImage.speaking{box-shadow:0 0 20px 8px #ffb43266}.avatar-container.listening,.botImage.listening{box-shadow:0 0 20px 8px #64c8ff66}.led{box-shadow:none!important;transition:none}.mute-button .start-hint,.mute-button.muted{animation:none}.speech-bubble-current{animation:none;opacity:1;transform:scale(1)}.spinner{animation:none;border-color:#667eea;opacity:.8}}.ordered-list-container{display:flex;flex-direction:column;gap:6px}.ordered-list-item{align-items:center;background:#ffffffe6;border:2px solid 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