.spp-notification {
    display: none;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 999999;
    max-width: 300px;
    margin-bottom: 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    animation-duration: 0.3s;
    animation-fill-mode: both;
}

/* Animation classes */
@keyframes sppSlideIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes sppFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes sppBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .spp-notification {
        max-width: 90%;
        left: 5% !important;
        right: 5% !important;
    }
    
    .spp-notification.top-left,
    .spp-notification.top-right {
        top: 10px !important;
    }
    
    .spp-notification.bottom-left,
    .spp-notification.bottom-right {
        bottom: 10px !important;
    }
}