.game-gradient {
            background: linear-gradient(135deg, #3AD68B 0%, #5AE0A1 100%);
        }
        .match-card {
            transition: all 0.3s ease;
        }
        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .correct {
            background-color: #22c55e !important; /* verde */
            color: white;
        }
        .wrong {
            background-color: #ef4444 !important; /* vermelho */
            color: white;
        }