.quiz-stage { margin-top: 24px; border-top: 5px solid var(--green, #276452); }
.quiz-stage .problem-text { font-size: clamp(1.25rem, 2.2vw, 2rem); line-height: 1.7; }
.quiz-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.quiz-explanation { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 16px; }
.quiz-question-picker { max-height: 430px; overflow-y: auto; margin: 16px 0; }
.quiz-question-picker small { display: block; color: var(--muted); line-height: 1.6; }
.quiz-music { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 20px; }
.quiz-music label { display: flex; gap: 10px; align-items: center; }
.quiz-music input { width: 100px; }
.quiz-host-controls { border: 2px solid #b9cfae; }
.prepared-explanation { white-space: normal; line-height: 1.8; }