/*apartado para estilos de suma visual*/
.suma-visual-game {
    max-width: 600px;
    margin: 0 auto;
}

.suma-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.suma-stats {
    display: flex;
    gap: 30px;
}

.suma-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.suma-stats .stat span:first-child {
    font-size: 0.8rem;
    color: var(--gray);
}

.suma-stats .stat span:last-child {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--success);
}

.problem-section {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
}

.visual-representation {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    min-height: 80px;
    transition: all 0.5s ease;
}

.visual-representation.celebrate {
    animation: celebrate 1s ease-in-out;
}

/*responsive para suma visual*/

@keyframes celebrate {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.visual-item {
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.visual-item:nth-child(odd) {
    animation-delay: 0.5s;
}

.visual-operation {
    font-size: 2rem;
    font-weight: 700;
    color: var(--discalculia);
    margin: 0 15px;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.problem-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

.input-section {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
}

#sumaAnswer {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--light);
    font-size: 1.2rem;
    text-align: center;
}

#sumaAnswer:focus {
    outline: none;
    border-color: var(--discalculia);
}

.controls-section {
    margin-bottom: 20px;
}

.number-pad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    max-width: 300px;
    margin: 0 auto;
}

.number-btn {
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.number-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.number-btn.clear-btn {
    background: rgba(247, 37, 133, 0.3);
    border-color: var(--warning);
}

.number-btn.submit-btn {
    background: rgba(76, 201, 240, 0.3);
    border-color: var(--success);
}

.suma-feedback {
    text-align: center;
    min-height: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 15px;
    border-radius: 10px;
}

.suma-feedback.success {
    background: rgba(76, 201, 240, 0.2);
    color: var(--success);
}

.suma-feedback.warning {
    background: rgba(247, 37, 133, 0.2);
    color: var(--warning);
}


/*mas responsive */

@media (max-width: 768px) {
    .visual-item {
        font-size: 1.2rem;
    }
    
    .visual-operation {
        font-size: 1.5rem;
        margin: 0 10px;
    }
    
    .problem-text {
        font-size: 1.5rem;
    }
    
    .input-section {
        flex-direction: column;
    }
    
    .number-pad {
        grid-template-columns: repeat(3, 1fr);
        max-width: 250px;
    }
    
    .number-btn {
        padding: 12px;
        font-size: 1rem;
    }
    
    .suma-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .suma-stats {
        gap: 20px;
    }
}