UI/UX improvements (#490)

Signed-off-by: Mohan Lakshmaiah <[email protected]>

Author: MohanLaksh

mcpgateway/static/admin.js

@@ -3092,7 +3092,7 @@ async function testTool(toolId) {
                 input.required =
                     schema.required && schema.required.includes(key);
                 input.className =
-                    "mt-1 block w-full rounded-md border border-gray-300 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 dark:bg-gray-900 text-gray-700 dark:text-gray-300 dark:border-gray-700 dark:focus:border-indigo-400 dark:focus:ring-indigo-400";
+                    "mt-1 block w-full rounded-md border border-gray-500 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 dark:bg-gray-900 text-gray-700 dark:text-gray-300 dark:border-gray-700 dark:focus:border-indigo-400 dark:focus:ring-indigo-400";
 
                 // Add validation based on type
                 if (prop.type === "number") {