.center-message {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    pointer-events: none;
}

.center-message span {
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.5;
    max-width: 80%;
    text-align: center;
    animation: messageIn 0.25s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}