#cpf-popup-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

#cpf-popup-box {
    background: #fff;
    padding: 25px 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    text-align: center;
    animation: fadeIn 0.3s ease-in-out;
}

#cpf-popup-box h2 {
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

#cpf-popup-box label {
    display: block;
    text-align: left;
    margin-top: 10px;
    font-weight: 600;
    font-size: 14px;
}

#cpf-popup-box input {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

#cpf-popup-box input:focus {
    border-color: #0073aa;
    outline: none;
}

#cpf-submit-btn {
    margin-top: 15px;
    width: 100%;
    background: #0073aa;
    color: white;
    border: none;
    padding: 12px 0;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#cpf-submit-btn:hover {
    background: #005f8c;
}

/* Spinner */
.spinner {
    display: none;
    border: 3px solid #f3f3f3;
    border-top: 3px solid white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* Messages */
#cpf-message {
    margin-top: 12px;
    font-size: 14px;
}
#cpf-message.success {
    color: green;
}
#cpf-message.error {
    color: red;
}

@media (max-width: 480px) {
    #cpf-popup-box {
        width: 95%;
        padding: 20px;
    }
}