.payment-header {
    color: white;
    border: none;
    border-radius: 0.5rem 0.5rem 0 0;
}

.payment-method-btn {
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.payment-method-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.payment-method-btn.active {
    border-color: #007bff;
    background-color: #e7f3ff;
}

.qr-code-container img {
    border-radius: 4px;
}

@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .payment-method-btn {
        height: 50px !important;
        font-size: 0.8rem !important;
    }
    
    .payment-method-btn i {
        font-size: 1rem !important;
    }
}
.btn:disabled, .btn.disabled, fieldset:disabled .btn {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}