:root {
            --primary-color: #ff9a00;
            --secondary-color: #1a3a6c;
            --accent-color: #0072c6;
            --light-color: #f1faee;
            --dark-color: #1d3557;
            --white-color: #ffffff;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* Header Styles */
        .header {
            background-color: var(--secondary-color);
            color: white;
            padding: 30px 0;
            margin-bottom: 30px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo-container {
            display: flex;
            align-items: center;
        }
        
        .logo {
            width: 120px;
            height: auto;
            margin-right: 20px;
        }
        
        .title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .subtitle {
            font-size: 1.2rem;
            margin-top: 5px;
            color: #ddd;
        }
        
        /* Document Styles */
        .document-container {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .document-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 3px solid var(--primary-color);
        }
        
        .document-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 10px;
        }
        
        .document-subtitle {
            font-size: 1.5rem;
            color: var(--primary-color);
            font-weight: 500;
        }
        
        /* Section Styles */
        .section {
            margin-bottom: 40px;
            padding: 20px;
            border-left: 4px solid var(--primary-color);
            background-color: #fff;
            border-radius: 0 10px 10px 0;
        }
        
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        
        .subsection {
            margin-bottom: 25px;
        }
        
        .subsection-title {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-color);
            margin-bottom: 15px;
        }
        
        /* Table Styles */
        .table-custom {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .table-custom th {
            background-color: var(--secondary-color);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }
        
        .table-custom td {
            padding: 12px 15px;
            border-bottom: 1px solid #eee;
        }
        
        .table-custom tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        .table-custom tr:hover {
            background-color: #e3f2fd;
        }
        
        /* List Styles */
        .requirement-list {
            list-style-type: none;
            padding-left: 0;
        }
        
        .requirement-item {
            padding: 15px;
            margin-bottom: 15px;
            border-left: 4px solid var(--accent-color);
            background-color: #f8f9fa;
            border-radius: 0 8px 8px 0;
        }
        
        .requirement-id {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 5px;
        }
        
        /* Badge Styles */
        .badge-custom {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-right: 10px;
        }
        
        .badge-functional {
            background-color: #e3f2fd;
            color: #1976d2;
        }
        
        .badge-nonfunctional {
            background-color: #f3e5f5;
            color: #7b1fa2;
        }
        
        .badge-mandatory {
            background-color: #ffebee;
            color: #c62828;
        }
        
        /* Print Styles */
        @media print {
            body {
                background-color: white;
                padding: 0;
            }
            
            .header, .no-print {
                display: none;
            }
            
            .document-container {
                box-shadow: none;
                border: 1px solid #ddd;
            }
            
            .section {
                border-left: 4px solid var(--primary-color);
                page-break-inside: avoid;
            }
        }
        
        /* Button Styles */
        .btn-print {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 20px;
        }
        
        .btn-print:hover {
            background-color: #e68a00;
            transform: translateY(-2px);
        }
        
        /* Code Block Styles */
        .code-block {
            background-color: #2d2d2d;
            color: #f8f8f2;
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            font-family: 'Courier New', monospace;
            margin: 20px 0;
        }
        
        /* Diagram Placeholder */
        .diagram-placeholder {
            background-color: #f5f5f5;
            border: 2px dashed #ccc;
            border-radius: 8px;
            padding: 40px;
            text-align: center;
            margin: 30px 0;
            color: #666;
        }
        
        /* Footer */
        .footer {
            text-align: center;
            padding: 30px 0;
            margin-top: 40px;
            border-top: 1px solid #eee;
            color: #666;
        }