# UI Enhancements Documentation

## Components Created

### 1. SkeletonLoader.vue
Reusable loading skeleton component with multiple types:
- **card**: For card layouts with title and content
- **table-row**: For table rows with avatar and text
- **avatar**: Circular avatar placeholder
- **text**: Single line text with customizable width
- **chart**: Chart container with header

**Usage:**
```vue
<SkeletonLoader type="card" />
<SkeletonLoader type="table-row" />
<SkeletonLoader type="text" width="75%" />
```

### 2. Tooltip.vue
Hover tooltip component with 4 positions:
- **top** (default)
- **bottom**
- **left**
- **right**

**Usage:**
```vue
<Tooltip text="View details" position="top">
  <button>Hover me</button>
</Tooltip>
```

### 3. transitions.css
Global CSS utilities for:
- Fade transitions
- Slide-fade transitions
- Scale transitions
- Hover effects (lift, scale)
- Consistent spacing utilities
- Skeleton shimmer animation

## Enhanced Components

### DashboardEnhanced.vue
- Loading skeletons for cards and charts
- Tooltips on all interactive elements
- Smooth fade transitions for content
- Hover lift effect on stat cards
- Hover shadow effect on charts
- Professional spacing (1.5rem gaps)

## Design Principles

### Spacing
- Cards: 1.5rem gap
- Sections: 2rem margin
- Internal padding: 1.5rem
- Mobile: 1rem gap

### Transitions
- Duration: 0.2s - 0.3s
- Easing: cubic-bezier(0.4, 0, 0.2, 1)
- Hover transforms: translateY(-2px to -4px)

### Tooltips
- Background: #1f2937 (dark gray)
- Padding: 0.75rem 1rem
- Border radius: 0.5rem
- Fade in/out: 0.2s

### Loading States
- Pulse animation: 2s infinite
- Shimmer effect for skeletons
- Smooth opacity transitions

## Usage Examples

### Loading State
```vue
<div v-if="loading">
  <SkeletonLoader v-for="i in 6" :key="i" type="card" />
</div>
<transition-group v-else name="fade" tag="div">
  <!-- Content -->
</transition-group>
```

### Hover Effects
```vue
<div class="hover-lift">Card content</div>
<div class="hover-scale">Button</div>
```

### Tooltips
```vue
<Tooltip text="Click to view" position="top">
  <button>Action</button>
</Tooltip>
```

## Browser Support
- Modern browsers (Chrome, Firefox, Safari, Edge)
- CSS Grid and Flexbox
- CSS Transitions and Animations
- Dark mode support
