.pdf-container {
            text-align: center;
            margin: 2px 0;
        }
        
        .pdf-excerpt {
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            background: #f9f9f9;
        }
        
        .pdf-viewer-modal .modal-dialog {
            width: 90%;
            max-width: 1200px;
            margin: 2% auto;
        }
        
        .pdf-viewer-modal .modal-content {
            height: 90vh;
        }
        
        .pdf-viewer-modal .modal-body {
            padding: 0;
            height: calc(90vh - 120px);
            overflow: hidden;
        }
        
        #pdfCanvas {
            border: 1px solid #ccc;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            max-width: 100%;
            height: auto;
        }
        
        .pdf-controls {
            background: #f5f5f5;
            padding: 10px;
            border-bottom: 1px solid #ddd;
            text-align: center;
        }
        
        .pdf-controls button {
            margin: 0 5px;
        }
        
        .page-info {
            display: inline-block;
            margin: 0 15px;
            font-weight: bold;
        }
        
        .canvas-container {
            text-align: center;
            overflow: auto;
            height: 100%;
            padding: 20px;
        }
        
        .loading-spinner {
            text-align: center;
            padding: 50px;
        }