.swagger-ui .topbar {
                    background: linear-gradient(90deg, #dc3545 0%, #333 100%);
                    padding: 10px 0;
                }
                .swagger-ui .topbar .download-url-wrapper {
                    display: none;
                }
                .environment-banner {
                    background: #dc3545;
                    color: white;
                    text-align: center;
                    padding: 8px;
                    font-weight: bold;
                    font-size: 14px;
                    position: sticky;
                    top: 0;
                    z-index: 1000;
                }
                .environment-banner.development {
                    background: #28a745;
                }
                .environment-banner.staging {
                    background: #ff8c00;
                }
                .environment-banner.production {
                    background: #dc3545;
                }