.popup-hidden {
    opacity: 0;
    pointer-events: none;
}

.popup-visible {
    opacity: 1;
    pointer-events: auto;
    backdrop-filter: blur(2px);
}

/*.popup-visible {*/
/*    display: flex;*/
/*    justify-content: center;*/
/*    align-items: center;*/
/*    position: fixed;*/
/*    left: 0;*/
/*    top: 0;*/
/*    width: 100%;*/
/*    height: 100%;*/
/*    background-color: rgba(0, 0, 0, 0.5);*/
/*    backdrop-filter: blur(2px);*/
/*    z-index: 999;*/
/*}*/

#popup {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    transition: opacity 0.3s ease-in-out;
}
.popup-content {
    /*background-color: #444444;*/
    border-radius: 5px;
    padding: 20px;
    width: 350px;
  /*   filter: blur(8px);*/
  /*-webkit-filter: blur(8px);*/
    /*box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);*/
}

.close-btn {
    cursor: pointer;

    font-size: 28px;
    font-weight: bold;
    margin-left: auto;
}