ionic-design

What this skill does

# Ionic Framework Design Guide

Build beautiful, native-looking mobile apps with Ionic Framework and Capacitor.

## When to Use This Skill

- User is using Ionic components
- User wants native-looking UI
- User asks about Ionic theming
- User needs mobile UI patterns
- User wants platform-specific styling

## What is Ionic Framework?

Ionic provides:
- 100+ mobile-optimized UI components
- Automatic iOS/Android platform styling
- Built-in dark mode support
- Accessibility out of the box
- Works with React, Vue, Angular, or vanilla JS

## Getting Started

### Installation

```bash
# For React
npx create-vite@latest my-app --template react-ts
cd my-app
npm install @ionic/react @ionic/react-router

# For Vue
npx create-vite@latest my-app --template vue-ts
cd my-app
npm install @ionic/vue @ionic/vue-router

# Add Capacitor
npm install @capacitor/core @capacitor/cli
npx cap init
```

### Setup (React)

```typescript
// main.tsx
import React from 'react';
import { createRoot } from 'react-dom/client';
import { IonApp, setupIonicReact } from '@ionic/react';
import App from './App';

/* Core CSS required for Ionic components to work properly */
import '@ionic/react/css/core.css';

/* Basic CSS for apps built with Ionic */
import '@ionic/react/css/normalize.css';
import '@ionic/react/css/structure.css';
import '@ionic/react/css/typography.css';

/* Optional CSS utils */
import '@ionic/react/css/padding.css';
import '@ionic/react/css/float-elements.css';
import '@ionic/react/css/text-alignment.css';
import '@ionic/react/css/text-transformation.css';
import '@ionic/react/css/flex-utils.css';
import '@ionic/react/css/display.css';

/* Theme */
import './theme/variables.css';

setupIonicReact();

const root = createRoot(document.getElementById('root')!);
root.render(
  <IonApp>
    <App />
  </IonApp>
);
```

## Core Components

### Page Structure

```tsx
import {
  IonPage,
  IonHeader,
  IonToolbar,
  IonTitle,
  IonContent,
  IonButtons,
  IonBackButton,
} from '@ionic/react';

function MyPage() {
  return (
    <IonPage>
      <IonHeader>
        <IonToolbar>
          <IonButtons slot="start">
            <IonBackButton defaultHref="/home" />
          </IonButtons>
          <IonTitle>Page Title</IonTitle>
        </IonToolbar>
      </IonHeader>

      <IonContent fullscreen>
        {/* Large title for iOS */}
        <IonHeader collapse="condense">
          <IonToolbar>
            <IonTitle size="large">Page Title</IonTitle>
          </IonToolbar>
        </IonHeader>

        {/* Page content */}
        <div className="ion-padding">
          Your content here
        </div>
      </IonContent>
    </IonPage>
  );
}
```

### Lists

```tsx
import {
  IonList,
  IonItem,
  IonLabel,
  IonNote,
  IonAvatar,
  IonIcon,
  IonItemSliding,
  IonItemOptions,
  IonItemOption,
} from '@ionic/react';
import { chevronForward, trash, archive } from 'ionicons/icons';

function ContactList() {
  return (
    <IonList>
      {/* Simple item */}
      <IonItem>
        <IonLabel>Simple Item</IonLabel>
      </IonItem>

      {/* Item with detail */}
      <IonItem detail button>
        <IonLabel>
          <h2>Item Title</h2>
          <p>Item description text</p>
        </IonLabel>
        <IonNote slot="end">Note</IonNote>
      </IonItem>

      {/* Item with avatar */}
      <IonItem>
        <IonAvatar slot="start">
          <img src="/avatar.jpg" alt="" />
        </IonAvatar>
        <IonLabel>
          <h2>John Doe</h2>
          <p>[email protected]</p>
        </IonLabel>
      </IonItem>

      {/* Sliding item */}
      <IonItemSliding>
        <IonItem>
          <IonLabel>Swipe me</IonLabel>
        </IonItem>
        <IonItemOptions side="end">
          <IonItemOption color="danger">
            <IonIcon slot="icon-only" icon={trash} />
          </IonItemOption>
          <IonItemOption>
            <IonIcon slot="icon-only" icon={archive} />
          </IonItemOption>
        </IonItemOptions>
      </IonItemSliding>
    </IonList>
  );
}
```

### Forms

```tsx
import {
  IonInput,
  IonTextarea,
  IonSelect,
  IonSelectOption,
  IonToggle,
  IonCheckbox,
  IonRadioGroup,
  IonRadio,
  IonItem,
  IonLabel,
  IonButton,
} from '@ionic/react';

function MyForm() {
  return (
    <form>
      {/* Text input */}
      <IonItem>
        <IonInput
          label="Email"
          labelPlacement="floating"
          type="email"
          placeholder="Enter email"
        />
      </IonItem>

      {/* Password */}
      <IonItem>
        <IonInput
          label="Password"
          labelPlacement="floating"
          type="password"
        />
      </IonItem>

      {/* Textarea */}
      <IonItem>
        <IonTextarea
          label="Bio"
          labelPlacement="floating"
          rows={4}
          placeholder="Tell us about yourself"
        />
      </IonItem>

      {/* Select */}
      <IonItem>
        <IonSelect label="Country" placeholder="Select">
          <IonSelectOption value="us">United States</IonSelectOption>
          <IonSelectOption value="uk">United Kingdom</IonSelectOption>
          <IonSelectOption value="de">Germany</IonSelectOption>
        </IonSelect>
      </IonItem>

      {/* Toggle */}
      <IonItem>
        <IonToggle>Enable notifications</IonToggle>
      </IonItem>

      {/* Checkbox */}
      <IonItem>
        <IonCheckbox slot="start" />
        <IonLabel>I agree to terms</IonLabel>
      </IonItem>

      {/* Radio group */}
      <IonRadioGroup>
        <IonItem>
          <IonRadio value="small">Small</IonRadio>
        </IonItem>
        <IonItem>
          <IonRadio value="medium">Medium</IonRadio>
        </IonItem>
        <IonItem>
          <IonRadio value="large">Large</IonRadio>
        </IonItem>
      </IonRadioGroup>

      <IonButton expand="block" type="submit">
        Submit
      </IonButton>
    </form>
  );
}
```

### Buttons

```tsx
import { IonButton, IonIcon } from '@ionic/react';
import { heart, share, download } from 'ionicons/icons';

function Buttons() {
  return (
    <>
      {/* Fill variants */}
      <IonButton>Solid</IonButton>
      <IonButton fill="outline">Outline</IonButton>
      <IonButton fill="clear">Clear</IonButton>

      {/* Colors */}
      <IonButton color="primary">Primary</IonButton>
      <IonButton color="secondary">Secondary</IonButton>
      <IonButton color="danger">Danger</IonButton>
      <IonButton color="success">Success</IonButton>

      {/* Sizes */}
      <IonButton size="small">Small</IonButton>
      <IonButton size="default">Default</IonButton>
      <IonButton size="large">Large</IonButton>

      {/* With icons */}
      <IonButton>
        <IonIcon slot="start" icon={heart} />
        Like
      </IonButton>

      {/* Icon only */}
      <IonButton>
        <IonIcon slot="icon-only" icon={share} />
      </IonButton>

      {/* Full width */}
      <IonButton expand="block">Block Button</IonButton>
      <IonButton expand="full">Full Width</IonButton>
    </>
  );
}
```

### Cards

```tsx
import {
  IonCard,
  IonCardHeader,
  IonCardTitle,
  IonCardSubtitle,
  IonCardContent,
  IonImg,
  IonButton,
} from '@ionic/react';

function Cards() {
  return (
    <IonCard>
      <IonImg src="/card-image.jpg" alt="" />
      <IonCardHeader>
        <IonCardSubtitle>Card Subtitle</IonCardSubtitle>
        <IonCardTitle>Card Title</IonCardTitle>
      </IonCardHeader>
      <IonCardContent>
        Card content goes here. This is a standard card with
        an image, title, subtitle, and content.
      </IonCardContent>
      <div className="ion-padding-horizontal ion-padding-bottom">
        <IonButton fill="clear">Action 1</IonButton>
        <IonButton fill="clear">Action 2</IonButton>
      </div>
    </IonCard>
  );
}
```

### Modals and Sheets

```tsx
import { IonModal, IonButton, IonContent, IonHeader, IonToolbar, IonTitle } from '@ionic/react';
import { useState, useRef } from 'react';

function ModalExample() {
  const [isOpen, setIs