pnpm add @nuxt/ui tailwindcss

// nuxt.config.ts
export default defineNuxtConfig({
  modules: ['@nuxt/ui'],
  css: ['~/assets/css/main.css']
})

/* app/assets/css/main.css */
@import "tailwindcss";
@import "@nuxt/ui";

<!-- app.vue -->
<template>
  <UApp>
    <NuxtPage />
  </UApp>
</template>

pnpm add @nuxt/ui tailwindcss

// vite.config.ts
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import ui from '@nuxt/ui/vite'

export default defineConfig({
  plugins: [
    vue(),
    ui()
  ]
})

// src/main.ts
import './assets/main.css'
import { createApp } from 'vue'
import { createRouter, createWebHistory } from 'vue-router'
import ui from '@nuxt/ui/vue-plugin'
import App from './App.vue'

const app = createApp(App)

const router = createRouter({
  routes: [],
  history: createWebHistory()
})

app.use(router)
app.use(ui)
app.mount('#app')

/* assets/main.css */
@import "tailwindcss";
@import "@nuxt/ui";

<!-- src/App.vue -->
<template>
  <UApp>
    <RouterView />
  </UApp>
</template>

<UIcon name="i-lucide-sun" class="size-5" />
<UButton icon="i-lucide-plus" label="Add" />
<UAlert icon="i-lucide-info" title="Heads up" />

pnpm i @iconify-json/lucide
pnpm i @iconify-json/simple-icons

// nuxt.config.ts
export default defineNuxtConfig({
  icon: {
    customCollections: [{
      prefix: 'custom',
      dir: './app/assets/icons'
    }]
  }
})

<UIcon name="i-custom-my-icon" />

// Nuxt — app.config.ts
export default defineAppConfig({
  ui: { colors: { primary: 'indigo', neutral: 'zinc' } }
})

// Vue — vite.config.ts
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import ui from '@nuxt/ui/vite'

export default defineConfig({
  plugins: [
    vue(),
    ui({
      ui: { colors: { primary: 'indigo', neutral: 'zinc' } }
    })
  ]
})

<UButton :ui="{ base: 'rounded-none', trailingIcon: 'size-3 rotate-90' }" />
<UCard :ui="{ header: 'bg-muted', body: 'p-8' }" />

// Notifications
const toast = useToast()
toast.add({ title: 'Saved', color: 'success', icon: 'i-lucide-check' })

// Programmatic overlays
const overlay = useOverlay()
const modal = overlay.create(MyModal)
const { result } = modal.open({ title: 'Confirm' })
await result

// Keyboard shortcuts
defineShortcuts({
  meta_k: () => openSearch(),
  escape: () => close()
})

<script setup lang="ts">
import { z } from 'zod'

const schema = z.object({
  email: z.string().email('Invalid email'),
  password: z.string().min(8, 'Min 8 characters')
})

type Schema = z.output<typeof schema>
const state = reactive<Partial<Schema>>({ email: '', password: '' })

function onSubmit() {
  // UForm validates before emitting @submit — state is valid here
}
</script>

<template>
  <UForm :schema="schema" :state="state" @submit="onSubmit">
    <UFormField name="email" label="Email" required>
      <UInput v-model="state.email" type="email" />
    </UFormField>

    <UFormField name="password" label="Password" required>
      <UInput v-model="state.password" type="password" />
    </UFormField>

    <UButton type="submit">Sign in</UButton>
  </UForm>
</template>

<!-- Modal -->
<UModal v-model:open="isOpen" title="Edit" description="Edit your profile">
  <template #body>Content</template>
  <template #footer>
    <UButton variant="ghost" @click="isOpen = false">Cancel</UButton>
    <UButton @click="save">Save</UButton>
  </template>
</UModal>

<!-- Slideover (side panel) -->
<USlideover v-model:open="isOpen" title="Settings" side="right">
  <template #body>Content</template>
</USlideover>

<!-- Dropdown menu (flat array) -->
<UDropdownMenu :items="[
  { label: 'Edit', icon: 'i-lucide-pencil' },
  { type: 'separator' },
  { label: 'Delete', icon: 'i-lucide-trash', color: 'error' }
]">
  <UButton icon="i-lucide-ellipsis-vertical" variant="ghost" />
</UDropdownMenu>

<!-- Dropdown menu (nested array — groups with automatic separators) -->
<UDropdownMenu :items="[
  [{ label: 'Edit', icon: 'i-lucide-pencil' }, { label: 'Duplicate', icon: 'i-lucide-copy' }],
  [{ label: 'Delete', icon: 'i-lucide-trash', color: 'error' }]
]">
  <UButton icon="i-lucide-ellipsis-vertical" variant="ghost" />
</UDropdownMenu>