.pdf-loader {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.8);
        z-index: 9999;
        justify-content: center;
        align-items: center;
    }
    .pdf-loader::after {
        content: '';
        width: 50px;
        height: 50px;
        border: 5px solid #f3f3f3;
        border-top: 5px solid #3498db;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    .pdf-content-wrapper {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }