textarea {
            font-size: 16px;
        }
        .case-result {
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 6px;
            padding: 15px;
            position: relative;
        }
        .case-name {
            color: #007acc;
            font-weight: bold;
            margin-bottom: 10px;
            font-size: 14px;
            text-transform: uppercase;
        }
        .case-output {
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 12px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            word-break: break-all;
            min-height: 40px;
            white-space: pre-wrap;
        }
        .back-link {
            display: inline-block;
            margin-bottom: 20px;
            color: #007acc;
            text-decoration: none;
            font-weight: 500;
        }
        .back-link:hover {
            text-decoration: underline;
        }