olid rgba(244, 67, 54, 0.3);
        }

        .response.loading {
            background: rgba(255, 193, 7, 0.2);
            color: #ffc107;
            border: 1px solid rgba(255, 193, 7, 0.3);
        }

        .powered-by {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
        }

        .powered-by a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-siz