> ## Documentation Index
> Fetch the complete documentation index at: https://docs.remind.tools/llms.txt
> Use this file to discover all available pages before exploring further.

# Technical Specifications

> Detailed technical specifications for features and components

# Technical Specifications

Detailed technical specifications for Remind Tools features and components.

## Specification Documents

### Core Features

<CardGroup cols={2}>
  <Card title="Authentication System" icon="lock">
    Multi-provider auth with biometric support
  </Card>

  <Card title="Data Synchronization" icon="sync">
    Conflict-free replicated data types (CRDTs)
  </Card>

  <Card title="Offline Mode" icon="wifi-slash">
    Local-first architecture with sync
  </Card>

  <Card title="Real-time Updates" icon="bolt">
    WebSocket-based live collaboration
  </Card>
</CardGroup>

## Technical Requirements

### Performance Requirements

| Metric        | Target   | Current |
| ------------- | -------- | ------- |
| App Launch    | \< 2s    | 1.5s    |
| API Response  | \< 200ms | 150ms   |
| UI Frame Rate | 60 fps   | 60 fps  |
| Memory Usage  | \< 150MB | 120MB   |

### Security Requirements

* ✅ End-to-end encryption for sensitive data
* ✅ OAuth 2.0 / OpenID Connect
* ✅ Row-level security in database
* ✅ API rate limiting
* ✅ Input validation and sanitization

### Platform Requirements

<Tabs>
  <Tab title="iOS">
    * Minimum iOS 12.0
    * iPhone 6s and newer
    * iPad support
    * Apple Silicon Macs
  </Tab>

  <Tab title="Android">
    * Minimum API 21 (Android 5.0)
    * ARM64 and ARM32
    * Tablet support
    * Chrome OS compatible
  </Tab>

  <Tab title="Web">
    * Chrome 90+
    * Safari 14+
    * Firefox 88+
    * Edge 90+
  </Tab>
</Tabs>

## API Specifications

### REST API

```typescript theme={null}
// Example endpoint specification
interface TripEndpoint {
  method: 'GET' | 'POST' | 'PUT' | 'DELETE';
  path: '/api/trips/:id?';
  auth: 'required';
  rateLimit: '100/hour';
  response: Trip | Trip[];
}
```

### GraphQL Schema

```graphql theme={null}
type Trip {
  id: ID!
  title: String!
  startDate: DateTime!
  endDate: DateTime!
  destinations: [Destination!]!
  collaborators: [User!]!
  expenses: [Expense!]!
}
```

## Database Schema

See [Database Documentation](/database) for detailed schemas.