.upgrade-banner {
    background-color: #f8f9fa;
    border-left: 4px solid #4CAF50;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.upgrade-banner-content {
    flex: 1;
}

.upgrade-banner h3 {
    margin-top: 0;
    margin-bottom: 5px;
    color: #333;
}

.upgrade-banner p {
    margin: 0;
    color: #666;
}

.upgrade-banner .btn {
    white-space: nowrap;
    margin-left: 15px;
}

/* Upgrade Modal */
.upgrade-modal {
    max-width: 600px;
}

.upgrade-modal h3 {
    color: #333;
    margin-top: 0;
}

.plan-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.plan-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.plan-card.current {
    border: 2px solid #ccc;
}

.plan-card.premium {
    border: 2px solid #4CAF50;
}

.plan-card h4 {
    margin-top: 0;
    color: #333;
}

.plan-price {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin: 10px 0;
}

.plan-price span {
    font-size: 14px;
    font-weight: 400;
    color: #666;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    text-align: left;
}

.plan-features li {
    padding: 5px 0;
    display: flex;
    align-items: center;
}

.plan-features li i {
    margin-right: 8px;
    color: #4CAF50;
}

.plan-features li.disabled {
    color: #999;
}

.plan-features li.disabled i {
    color: #ccc;
}

.upgrade-details {
    background-color: #e8f5e9;
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
}

.upgrade-details h4 {
    margin-top: 0;
    color: #2e7d32;
}

.upgrade-details p {
    margin-bottom: 5px;
}

.upgrade-details .price-calculation {
    font-weight: bold;
}

.payment-section {
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .upgrade-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .upgrade-banner .btn {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
    
    .plan-comparison {
        grid-template-columns: 1fr;
    }
}