#overlay-ai {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 9999;
}

.overlay-content-ai {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    font-family: Arial, sans-serif;
}

/* Spinner */
.spinner-ai {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255,255,255,0.3);
    border-top: 6px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.overlay-text {
    font-size: 18px;
}