.quiz-container{max-width:800px;margin:20px auto;padding:16px;background:#fff;border-radius:8px;box-shadow:0 3px 8px rgba(0,0,0,.1)}.quiz-columns{display:flex;gap:16px;justify-content:center}.card-column{flex:1;display:flex;flex-direction:column;gap:8px}.quiz-card{border:1px solid #ccc;border-radius:6px;padding:8px;min-height:48px;font-size:.9rem;display:flex;align-items:center;justify-content:center;font-weight:600;background:#fdfdfd;transition:background .2s,border .2s,box-shadow .2s;box-shadow:0 1px 3px rgba(0,0,0,.05)}.quiz-card.draggable{background:#007bff;color:#fff;cursor:grab}.quiz-card.draggable.dragging{background:#0056b3}.quiz-card.droppable .symbol{font-size:1rem;margin-right:6px}.quiz-card.droppable .slot{flex:1;text-align:center;font-size:.85rem;color:#555}.quiz-card.droppable.correct{background:#c8f7c5;border-color:#2ecc71}.quiz-card.droppable.incorrect{background:#f7c5c5;border-color:#e74c3c}.quiz-card.droppable.highlight{border-color:#007bff;background:#e6f2ff}.quiz-buttons{margin-top:16px;display:flex;justify-content:center;gap:12px}