.gpn-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.gpn-header {
    text-align: center;
    margin-bottom: 0.25rem;
    padding: 0.25rem 0;
}

.gpn-date {
    color: #2d3748;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.gpn-source {
    color: #666;
    font-size: 0.9rem;
    margin: 0.25rem 0 0 0;
}

.gpn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.gpn-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    transition: transform 0.2s ease;
}

.gpn-card:hover {
    transform: translateY(-2px);
}

.gpn-card-header {
    color: #2c5282;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.gpn-price-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gpn-price {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gpn-amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
}

.gpn-unit {
    color: #718096;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.gpn-footer {
    text-align: center;
    margin-top: 1rem;
    padding: 0.5rem 0;
    color: #666;
    font-size: 0.8rem;
    border-top: 1px solid #e2e8f0;
}

.gpn-error {
    background: #fff5f5;
    color: #c53030;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin: 1rem 0;
}

@media (max-width: 768px) {
    .gpn-grid {
        grid-template-columns: 1fr;
    }
    
    .gpn-card {
        padding: 1rem;
    }
    
    .gpn-amount {
        font-size: 1.5rem;
    }
    
    .gpn-date {
        font-size: 1rem;
    }
}