vite.config.ts

import tailwindcss from '@tailwindcss/vite';
import react from '@vitejs/plugin-react';
import path from 'path';
import { defineConfig, loadEnv } from 'vite';

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, '.', '');
  
  return {
    plugins: [react(), tailwindcss()],
    define: {
      'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY),
    },
    resolve: {
      alias: {
        '@': path.resolve(__dirname, '.'),
      },
    },
    server: {
      // FIX: Allow ngrok hostsr
      allowedHosts: [
        'ee6b-103-177-64-130.ngrok-free.app', // Your current specific host
        '.ngrok-free.app'                    // Allows any ngrok-free.app subdomain
      ],
      // HMR is disabled in AI Studio via DISABLE_HMR env var.
      hmr: process.env.DISABLE_HMR !== 'true',
    },
  };
});