/* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #000;
            background: #fff;
            padding: 0;
            margin: 0;
        }
        
        /* Document Header (No Print) */
        .mdsm-document-header {
            background: #f8f9fa;
            border-bottom: 1px solid #dee2e6;
            padding: 1.5rem 2rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .mdsm-header-content {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }
        
        .mdsm-title-section {
            flex: 1;
        }
        
        .mdsm-doc-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #212529;
            margin: 0 0 0.25rem 0;
        }
        
        .mdsm-meta {
            font-size: 0.875rem;
            color: #6c757d;
        }
        
        .mdsm-separator {
            margin: 0 0.5rem;
        }
        
        /* Action Buttons */
        .mdsm-actions {
            display: flex;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        
        .mdsm-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border: 1px solid #dee2e6;
            background: #fff;
            color: #495057;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
        }
        
        .mdsm-btn:hover {
            background: #e9ecef;
            border-color: #adb5bd;
            color: #212529;
        }
        
        .mdsm-btn:active {
            transform: translateY(1px);
        }
        
        .mdsm-btn svg {
            flex-shrink: 0;
        }
        
        /* Main Content */
        .mdsm-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 3rem 2rem;
        }
        
        /* Typography */
        .mdsm-content h1,
        .mdsm-content h2,
        .mdsm-content h3,
        .mdsm-content h4,
        .mdsm-content h5,
        .mdsm-content h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #000;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        
        .mdsm-content h1 {
            font-size: 2.25rem;
            border-bottom: 2px solid #000;
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        
        .mdsm-content h2 {
            font-size: 1.875rem;
            border-bottom: 1px solid #dee2e6;
            padding-bottom: 0.375rem;
        }
        
        .mdsm-content h3 {
            font-size: 1.5rem;
        }
        
        .mdsm-content h4 {
            font-size: 1.25rem;
        }
        
        .mdsm-content h5 {
            font-size: 1.125rem;
        }
        
        .mdsm-content h6 {
            font-size: 1rem;
        }
        
        .mdsm-content p {
            margin-bottom: 1rem;
            color: #212529;
        }
        
        /* Lists */
        .mdsm-content ul,
        .mdsm-content ol {
            margin-bottom: 1rem;
            padding-left: 2rem;
        }
        
        .mdsm-content li {
            margin-bottom: 0.5rem;
            color: #212529;
        }
        
        .mdsm-content ul {
            list-style-type: disc;
        }
        
        .mdsm-content ol {
            list-style-type: decimal;
        }
        
        /* Links */
        .mdsm-content a {
            color: #0066cc;
            text-decoration: underline;
        }
        
        .mdsm-content a:hover {
            color: #0052a3;
        }
        
        /* Code */
        .mdsm-content code {
            background: #f8f9fa;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-family: "Courier New", Courier, monospace;
            font-size: 0.875em;
            color: #d63384;
            border: 1px solid #dee2e6;
        }
        
        .mdsm-content pre {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            padding: 1rem;
            border-radius: 4px;
            overflow-x: auto;
            margin-bottom: 1rem;
        }
        
        .mdsm-content pre code {
            background: transparent;
            padding: 0;
            color: #000;
            border: none;
            font-size: 0.875rem;
        }
        
        /* Blockquotes */
        .mdsm-content blockquote {
            border-left: 4px solid #dee2e6;
            padding-left: 1rem;
            margin: 1rem 0;
            color: #6c757d;
            font-style: italic;
        }
        
        /* Horizontal Rules */
        .mdsm-content hr {
            border: none;
            border-top: 1px solid #dee2e6;
            margin: 2rem 0;
        }
        
        /* Images */
        .mdsm-content img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 1rem 0;
            border: 1px solid #dee2e6;
            border-radius: 4px;
        }
        
        /* Tables */
        .mdsm-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
            border: 1px solid #dee2e6;
        }
        
        .mdsm-content table th,
        .mdsm-content table td {
            padding: 0.75rem;
            border: 1px solid #dee2e6;
            text-align: left;
        }
        
        .mdsm-content table th {
            background: #f8f9fa;
            font-weight: 600;
            color: #000;
        }
        
        .mdsm-content table tr:nth-child(even) {
            background: #f8f9fa;
        }
        
        /* Footer */
        .mdsm-footer {
            max-width: 900px;
            margin: 0 auto;
            padding: 2rem 2rem 3rem;
            text-align: center;
            color: #6c757d;
            font-size: 0.875rem;
            border-top: 1px solid #dee2e6;
        }
        
        .mdsm-footer-credit {
            margin: 1rem 0 0;
        }
        
        .mdsm-footer a {
            color: #0066cc;
            text-decoration: none;
        }
        
        .mdsm-footer a:hover {
            text-decoration: underline;
        }
        
        /* Document Metadata */
        .mdsm-doc-metadata {
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 6px;
            font-size: 0.75rem;
            color: #6c757d;
            font-family: "Courier New", Courier, monospace;
        }
        
        .mdsm-metadata-item {
            display: flex;
            flex-wrap: wrap;
            align-items: baseline;
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }
        
        .mdsm-metadata-item:last-child {
            margin-bottom: 0;
        }
        
        .mdsm-metadata-label {
            font-weight: 600;
            color: #495057;
            margin-right: 0.5rem;
            flex-shrink: 0;
        }
        
        .mdsm-metadata-value {
            word-break: break-all;
            flex: 1;
            min-width: 0;
        }
        
        .mdsm-checksum {
            font-size: 0.7rem;
        }
        
        /* Print Styles */
        @media print {
            .no-print {
                display: none !important;
            }
            
            body {
                background: #fff;
            }
            
            .mdsm-content {
                max-width: 100%;
                padding: 1rem;
            }
            
            .mdsm-content h1,
            .mdsm-content h2,
            .mdsm-content h3,
            .mdsm-content h4,
            .mdsm-content h5,
            .mdsm-content h6 {
                page-break-after: avoid;
            }
            
            .mdsm-content pre,
            .mdsm-content blockquote,
            .mdsm-content table {
                page-break-inside: avoid;
            }
            
            .mdsm-content a {
                color: #000;
                text-decoration: none;
            }
            
            .mdsm-content a[href]:after {
                content: " (" attr(href) ")";
                font-size: 0.875em;
                color: #6c757d;
            }
            
            .mdsm-content code {
                background: #f0f0f0;
                border: 1px solid #ccc;
            }
            
            .mdsm-content pre {
                background: #f0f0f0;
                border: 1px solid #ccc;
            }
        }
        
        /* Mobile Responsive */
        @media (max-width: 768px) {
            .mdsm-document-header {
                padding: 1rem;
            }
            
            .mdsm-header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .mdsm-actions {
                width: 100%;
            }
            
            .mdsm-btn {
                flex: 1;
                justify-content: center;
            }
            
            .mdsm-content {
                padding: 2rem 1rem;
            }
            
            .mdsm-doc-title {
                font-size: 1.25rem;
            }
            
            .mdsm-content h1 {
                font-size: 1.75rem;
            }
            
            .mdsm-content h2 {
                font-size: 1.5rem;
            }
            
            .mdsm-content h3 {
                font-size: 1.25rem;
            }
            
            .mdsm-footer {
                padding: 1.5rem 1rem 2rem;
            }
            
            /* Stack metadata vertically on mobile */
            .mdsm-metadata-item {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .mdsm-metadata-label {
                margin-bottom: 0.25rem;
            }
        }