@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 40px 20px;
        }
        
        .container {
            max-width: 850px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            overflow: hidden;
        }
        
        .header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 40px;
            text-align: center;
            position: relative;
        }
        
        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="10" y="20" width="25" height="4" rx="2" fill="rgba(255,255,255,0.1)"/><rect x="40" y="20" width="20" height="4" rx="2" fill="rgba(255,255,255,0.08)"/><rect x="65" y="20" width="25" height="4" rx="2" fill="rgba(255,255,255,0.1)"/><rect x="10" y="30" width="20" height="4" rx="2" fill="rgba(255,255,255,0.08)"/><rect x="35" y="30" width="30" height="4" rx="2" fill="rgba(255,255,255,0.1)"/><rect x="70" y="30" width="20" height="4" rx="2" fill="rgba(255,255,255,0.08)"/><circle cx="20" cy="70" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="2" fill="rgba(255,255,255,0.08)"/></svg>');
        }
        
        .header h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        
        .header .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        
        .content {
            padding: 40px;
        }
        
        .overview {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 30px;
            border-left: 5px solid #667eea;
        }
        
        .overview h2 {
            color: #2c3e50;
            font-size: 1.8rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .overview h2::before {
            content: "📝";
            margin-right: 10px;
            font-size: 1.5rem;
        }
        
        .overview p {
            font-size: 1.1rem;
            color: #495057;
            line-height: 1.8;
        }
        
        .problem-section {
            background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
            padding: 25px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #ffc107;
        }
        
        .problem-section h3 {
            color: #856404;
            font-size: 1.4rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .problem-section h3::before {
            content: "⚠️";
            margin-right: 10px;
        }
        
        .when-to-use {
            background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
            padding: 25px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #17a2b8;
        }
        
        .when-to-use h3 {
            color: #0c5460;
            font-size: 1.4rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .when-to-use h3::before {
            content: "✅";
            margin-right: 10px;
        }
        
        .use-cases {
            list-style: none;
            padding: 0;
        }
        
        .use-cases li {
            padding: 8px 0;
            padding-left: 25px;
            position: relative;
            color: #0c5460;
        }
        
        .use-cases li::before {
            content: "•";
            color: #17a2b8;
            font-weight: bold;
            position: absolute;
            left: 10px;
        }
        
        .steps-container {
            margin: 40px 0;
        }
        
        .steps-container h2 {
            color: #2c3e50;
            font-size: 2.2rem;
            margin-bottom: 30px;
            text-align: center;
        }
        
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .step-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            position: relative;
            border-top: 5px solid;
            transition: transform 0.3s ease;
        }
        
        .step-card:hover {
            transform: translateY(-5px);
        }
        
        .step-card.step-1 {
            border-top-color: #e74c3c;
        }
        
        .step-card.step-2 {
            border-top-color: #f39c12;
        }
        
        .step-card.step-3 {
            border-top-color: #27ae60;
        }
        
        .step-card.step-4 {
            border-top-color: #8e44ad;
        }
        
        .step-number {
            position: absolute;
            top: -15px;
            left: 20px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.5rem;
            color: white;
        }
        
        .step-1 .step-number {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
        }
        
        .step-2 .step-number {
            background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
        }
        
        .step-3 .step-number {
            background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
        }
        
        .step-4 .step-number {
            background: linear-gradient(135deg, #8e44ad 0%, #7d3c98 100%);
        }
        
        .step-title {
            color: #2c3e50;
            font-size: 1.4rem;
            font-weight: 600;
            margin: 20px 0 15px 0;
        }
        
        .step-content {
            color: #495057;
            line-height: 1.7;
        }
        
        .step-bullets {
            list-style: none;
            padding: 0;
            margin-top: 15px;
        }
        
        .step-bullets li {
            padding: 5px 0;
            padding-left: 20px;
            position: relative;
            font-size: 0.95rem;
        }
        
        .step-bullets li::before {
            content: "→";
            color: #667eea;
            font-weight: bold;
            position: absolute;
            left: 0;
        }
        
        .tips-section {
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
            border-left: 5px solid #28a745;
        }
        
        .tips-section h3 {
            color: #155724;
            font-size: 1.4rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .tips-section h3::before {
            content: "💡";
            margin-right: 10px;
        }
        
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        
        .tip-card {
            background: rgba(255,255,255,0.7);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #28a745;
        }
        
        .tip-card h4 {
            color: #155724;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        
        .tip-card p {
            color: #155724;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        
        .example-rubric {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            margin: 30px 0;
        }
        
        .example-rubric h3 {
            color: #2c3e50;
            font-size: 1.4rem;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .rubric-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .rubric-table th {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 15px 10px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .rubric-table td {
            padding: 12px 10px;
            text-align: center;
            border-bottom: 1px solid #dee2e6;
            font-size: 0.85rem;
            vertical-align: top;
        }
        
        .rubric-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        .criteria-cell {
            background: #e9ecef !important;
            font-weight: 600;
            text-align: left !important;
        }
        
        .footer {
            background: #2c3e50;
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        .footer h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .footer p {
            opacity: 0.8;
            font-size: 0.9rem;
            margin-bottom: 5px;
        }
        
        @media print {
            body {
                background: white;
                padding: 0;
            }
            
            .container {
                box-shadow: none;
                max-width: none;
            }
            
            .step-card:hover {
                transform: none;
            }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.5rem;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
            }
            
            .tip-grid {
                grid-template-columns: 1fr;
            }
            
            .rubric-table {
                font-size: 0.8rem;
            }
            
            .rubric-table th,
            .rubric-table td {
                padding: 8px 5px;
            }
        }