#nchi-popup-avatar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
}
#nchi-popup-avatar-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
}
#nchi-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: none;
    z-index: 9998;
}
#nchi-popup-widget {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 360px;
    height: 600px;
    display: none;
    background: #1a1a1a;
    border-radius: 12px;
    z-index: 10000;
    overflow: hidden;
}
#nchi-popup-widget.expanded {
    width: 90%;
    height: 90%;
    top: 5%;
    bottom: auto;
}
#nchi-widget-header {
    background: #111;
    color: turquoise;
    display: flex;
    justify-content: space-between;
    padding: 8px;
    align-items: center;
}
.nchi-close-button, .nchi-expand-toggle, .nchi-nav-arrows {
    cursor: pointer;
    background: none;
    border: none;
    color: turquoise;
    margin: 0 10px;
}
#nchi-widget-iframe {
    width: 100%;
    height: calc(100% - 40px);
    border: none;
}