.psp-popup {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background: #fff0f0;
    border: 2px solid #ff4081;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    z-index: 9999;
    font-family: sans-serif;
    animation: popup-anim 0.5s ease;
}

.psp-popup-content {
    padding: 20px;
    text-align: center;
}

.psp-whatsapp-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 15px;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
}

.psp-whatsapp-btn:hover {
    background: #128C7E;
}

.psp-close {
    position: absolute;
    top: 5px;
    right: 10px;
    cursor: pointer;
    font-size: 18px;
}

@keyframes popup-anim {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}