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.qp-feedback.correct{border-color:var(--success-border);background:var(--success-bg)}#srs-quiz-panel .qp-feedback.wrong{border-color:var(--error-border);background:var(--error-bg)}#srs-quiz-panel .qp-feedback-title{margin-bottom:8px;font-weight:800;color:var(--text-primary)}#srs-quiz-panel .qp-feedback-explain{color:var(--text-secondary);line-height:1.7}#srs-quiz-panel .qp-loading,#srs-quiz-panel .qp-empty,#srs-quiz-panel .qp-completed{width:min(560px,100%);margin:18px auto;text-align:center}#srs-quiz-panel .qp-empty{color:var(--text-muted);font-weight:700}#srs-quiz-panel .quiz-shimmer-line,#srs-quiz-panel .quiz-shimmer-option{border-radius:12px;background:linear-gradient(90deg,var(--bg-tertiary),var(--bg-secondary),var(--bg-tertiary));background-size:200% 100%;animation:qpShimmer 1.25s linear infinite}#srs-quiz-panel .quiz-shimmer-line{height:18px;margin-bottom:16px}#srs-quiz-panel .quiz-shimmer-line-lg{height:26px}#srs-quiz-panel 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