body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            margin: 0;
            padding: 2rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        .header {
            background: linear-gradient(135deg, #8e44ad, #3498db);
            color: white;
            padding: 2rem;
            text-align: center;
        }
        .content {
            padding: 2rem;
        }
        .info-section {
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 4px solid #3498db;
        }
        .info-label {
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }
        .full-text {
            background: #f1f2f6;
            padding: 1.5rem;
            border-radius: 8px;
            white-space: pre-wrap;
            font-family: 'Courier New', monospace;
            font-size: 0.9em;
            line-height: 1.5;
            max-height: 400px;
            overflow-y: auto;
            border: 1px solid #ddd;
        }
        .back-button {
            display: inline-block;
            background: linear-gradient(135deg, #3498db, #8e44ad);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: bold;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }
        .back-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .error {
            text-align: center;
            padding: 2rem;
            color: #e74c3c;
        }