.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:24px;padding:5px;border-radius:14px;background:#edf2f4}.mode-tabs button{min-height:44px;border:0;border-radius:10px;background:transparent;color:var(--navy);font-weight:850;cursor:pointer}.mode-tabs button.active{background:#fff;box-shadow:0 4px 14px rgba(16,42,67,.1)}.sign-art img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 8px 8px rgba(16,42,67,.12))}.quiz-card{display:grid;justify-items:center;padding:26px;border:2px solid #dce4e8;border-radius:21px;background:linear-gradient(150deg,#fff,#f3f7f8)}.quiz-card>img{width:min(330px,85%);height:260px;margin:10px 0 22px;object-fit:contain}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}.quiz-options button{min-height:62px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-weight:750;cursor:pointer}.quiz-options button:hover:not(:disabled){border-color:var(--blue)}.quiz-options button.correct{border-color:#4b7a25;background:#e8f2ca}.quiz-options button.wrong{border-color:#b33b2d;background:#fde8e4}.quiz-feedback{min-height:26px;margin:17px 0 6px;font-weight:800;text-align:center}.next-question{padding:11px 18px;border:0;border-radius:999px;background:var(--navy);color:#fff;font-weight:800;cursor:pointer}.quiz-score{text-align:center;color:var(--muted);font-weight:750}.settings{margin-top:18px;text-align:center;color:var(--muted);font-size:12px}.settings summary{cursor:pointer}.settings button{margin-top:10px;padding:8px 12px;border:1px solid #d8a8a3;border-radius:8px;background:#fff;color:#8a2a21;cursor:pointer}@media(max-width:680px){.quiz-card{padding:17px 10px}.quiz-card>img{height:210px}.quiz-options{grid-template-columns:1fr}.quiz-options button{min-height:52px}.mode-tabs{margin-bottom:15px}}