.nexi-paybylink-donation-form {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nexi-paybylink-donation-form .form-group {
    margin-bottom: 15px;
}

.nexi-paybylink-donation-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.nexi-paybylink-donation-form input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.nexi-paybylink-donation-form input:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 1px #0073aa;
}

.nexi-donate-button {
    background: #0073aa;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
}

.nexi-donate-button:hover {
    background: #005177;
}

.nexi-donate-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#nexi-donation-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    background: #f8f8f8;
}