.paper-card {
    position: relative;
    transition: transform 0.3s ease;
    height: auto;
    min-height: 650px;
}
.paper-card:hover {
    transform: translateY(-5px);
}

.notification {
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease forwards;
}

.notification.hide {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        visibility: hidden;
    }
    to {
        opacity: 1;
        visibility: visible;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        visibility: visible;
    }
    to {
        opacity: 0;
        visibility: hidden;
    }
}

.notification-inner {
    animation: slideUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.icon-container {
    animation: pulse 1s ease infinite alternate;
}

@keyframes pulse {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.1);
    }
}