.pdf-modal {
    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: 9999;
}

.pdf-modal-content {
    position: relative;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    max-width: 80%;
    max-height: 80%;
    overflow: auto;
}

.pdf-modal-content canvas {
    width: 100%;
    height: auto;
}

.pdf-modal-close {
    position: absolute;
    top: 5%;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #fff;
}


/* Spinner Style */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Modal content adjustments */
.pdf-modal-content {
    position: relative;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    max-width: 80%;
    max-height: 80%;
    overflow: auto;
    text-align: center;
    /* Center spinner */
}

#pdf-pages-container {
    margin-top: 20px;
}