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

#pdf-container {
    background: #e1e1e1;
    padding: 10px;
    border-radius: 10px;
    max-height: 90vh;
    max-width: 90vw;
    overflow-y: auto;
}

#pdf-pages canvas {
    display: block;
    margin:0 auto;
    margin-bottom:10px;
    max-width: 100%;
    height: auto;
}

#pdf-close-btn:hover {
    background: #555;
}