#videoPopup {
    display: flex; /* center video */
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
}

/* Hide popup initially */
#videoPopup.hidden {
    display: none;
}

/* Video container styling */
#videoContainer {
    position: relative;
    max-width: 80%;
    max-height: 80%;
}

/* Close button */
#closeBtn {
    position: absolute;
    top: -15px;
    right: -15px;
    background: red;
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 20px;
    cursor: pointer;
}