.mermaid svg {
    cursor: zoom-in;
}

#mermaid-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.85);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

#mermaid-lightbox.show {
    display: flex;
}

#mermaid-lightbox svg {
    max-width: 95vw;
    max-height: 95vh;
    background: white;
    border-radius: 6px;
    box-shadow: 0 0 40px rgba(0,0,0,.5);
}

html[class*="navy"] #mermaid-lightbox svg,
html[class*="coal"] #mermaid-lightbox svg,
html[class*="ayu"] #mermaid-lightbox svg {
    background: #1e1e1e;
}