: var(--color-gray-accent);"></i>
                <h3 class="mt-2 text-lg font-semibold" style="color: var(--color-fg-lightest);">Welcome!</h3>
                <p class="mt-1 text-sm" style="color: var(--color-gray);">Enter an API endpoint URL and click "Fetch" to see usage data.</p>
            </div>
          `;
        }

        // --- Data Fetching ---

        /**
         * Fetches data from the specified API endpoint.
         */
        async function fetchData() {
          const url = endpointUr