body { font-family: 'Segoe UI', Tahoma, sans-serif; background-color: #f4f6f9; margin: 0; padding: 20px; text-align: center; }
        .container { background: white; max-width: 900px; margin: 20px auto; padding: 30px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
        input[type="text"] { padding: 12px; width: 60%; border: 2px solid #ddd; border-radius: 6px; font-size: 16px; text-align: center; margin-bottom: 10px; }
        
        .btn { padding: 12px 25px; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; margin: 5px; transition: 0.3s; display: inline-block; text-decoration: none;}
        .btn-search { background-color: #007bff; } /* Blue for download */
        .btn-search:hover { background-color: #0056b3; }
        .btn-download { background-color: #28a745; } /* Green for download */
        .btn-download:hover { background-color: #218838; }
        .btn-print { background-color: #6c757d; } /* Grey for print */
        .btn-print:hover { background-color: #5a6268; }

        #actions-container { display: none; margin-top: 20px; } /* Hidden by default */
        
        #pdf-render-container {
            width: 100%;
            overflow: auto;
            margin-top: 20px;
            border: 1px solid #ddd;
            display: none;
            background-color: #525659;
            padding: 10px 0;
        }
        canvas {
            direction: ltr;
            max-width: 100%;
            height: auto;
            display: block;
            margin: 0 auto 10px auto;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
        }
        .error { color: red; margin-top: 10px; }