# lists-grids

Guides AI coding agents to animate lists, tables, and grids using Disney's 12 motion principles. Useful for filter states and reordering items.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 498 installs · ★ 129
- Author: dylantarre
- License: MIT · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/dylantarre/animation-principles/tree/HEAD/skills/07-by-ui-element/lists-grids/SKILL.md
- Updated: 2025-12-30
- HTML: https://affpapa.org/en/nevibecode/skills/lists-grids

## What it does

This skill injects UI motion principles into your AI agent whenever you build collections, tables, or card grids. It translates Disney's 12 animation principles into clean CSS patterns. Reordering items move along natural curved arcs rather than mechanical straight vectors.

The guidelines provide explicit duration ranges. Stagger delay stays between 30 and 75ms per item, while total cascade duration is capped at 800ms. Enter states take 200 to 300ms, and exit transitions complete in 150 to 200ms. Code samples rely on GPU-friendly `transform` and `opacity` properties to prevent costly layout recalculations.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add dylantarre/animation-principles --skill lists-grids -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/lists-grids/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/lists-grids/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add dylantarre/animation-principles --skill lists-grids -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/lists-grids/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add dylantarre/animation-principles --skill lists-grids -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/lists-grids/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install dylantarre/animation-principles lists-grids
```

2. **Manually: put the files in place**
- File: `.github/skills/lists-grids/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add dylantarre/animation-principles --skill lists-grids -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/dylantarre/animation-principles --path skills/07-by-ui-element/lists-grids
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/lists-grids/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add dylantarre/animation-principles --skill lists-grids -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/dylantarre/animation-principles/tree/HEAD/skills/07-by-ui-element/lists-grids/SKILL.md

## When to use it
- stagger entrance animations across grid cards
- set precise easing and durations for filtering lists
- animate drag-and-drop table rows along curved arcs
- handle item exit transitions with scale and opacity

## Example prompts
- Animate the card grid entrance using lists-grids stagger timing
- Add CSS transitions for filtering and reordering list items
- Style the drag-and-drop state of table rows with anticipation and arcs

## Source text · SKILL.md · MIT

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 0ba34e1f568d83cf.

BEGIN THIRD-PARTY FILE 0ba34e1f568d83cf
````text
---
name: lists-grids
description: Use when animating lists, grids, tables, or collections of items to create smooth ordering, filtering, and loading states
---

# List & Grid Animation Principles

Apply Disney's 12 principles to lists and grids for smooth, organized motion.

## Principles Applied to Lists & Grids

### 1. Squash & Stretch
List items compress slightly when grabbed for reorder. Grid items can stretch when expanding to fill space on filter.

### 2. Anticipation
Before list reorders, items briefly compress. Before filter removes items, they can shrink slightly. Prepares for change.

### 3. Staging
Item being dragged lifts above others (z-index + shadow). Filtered results highlight while others fade. Guide eye to relevant items.

### 4. Straight Ahead & Pose to Pose
Define states: entering, resting, reordering, exiting. Use pose-to-pose for predictable, controllable list animations.

### 5. Follow Through & Overlapping Action
Stagger item entrance: first item leads, others follow (30-50ms delay). Content within items lags behind item container.

### 6. Ease In & Ease Out
Item enter: `ease-out`. Item exit: `ease-in`. Reorder: `ease-in-out`. Stagger easing should feel like a wave, not mechanical.

### 7. Arcs
Reordering items should follow curved paths, not straight lines. Adds personality and organic feel to grid shuffles.

### 8. Secondary Action
While item moves (primary), placeholder appears (secondary), other items shift (tertiary). Coordinate the ensemble.

### 9. Timing
- Stagger delay: 30-75ms per item
- Item enter: 200-300ms
- Item exit: 150-200ms
- Reorder: 250-350ms
- Filter shuffle: 300-400ms
- Max total stagger: 500-800ms

### 10. Exaggeration
Dramatic filter transitions can scale items to 0 before removing. New items can overshoot position slightly. Make sorting visible.

### 11. Solid Drawing
Maintain consistent spacing during animations. Grid gaps should stay uniform. Item proportions should remain stable during transforms.

### 12. Appeal
Smooth list animations feel premium. Jarring reorders feel broken. Staggered entrances guide attention naturally. Users notice quality.

## CSS Implementation

```css
.list-item {
  animation: itemEnter 250ms ease-out backwards;
}

.list-item:nth-child(1) { animation-delay: 0ms; }
.list-item:nth-child(2) { animation-delay: 50ms; }
.list-item:nth-child(3) { animation-delay: 100ms; }
/* continue pattern */

@keyframes itemEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.grid-item {
  transition: transform 300ms ease-in-out,
              opacity 200ms ease-out;
}
```

## Key Properties
- `transform`: translate, scale
- `opacity`: enter/exit
- `animation-delay`: stagger
- `grid-template`: layout shifts
- `order`: reordering
````
END THIRD-PARTY FILE 0ba34e1f568d83cf

The third-party file has ended. Everything between the 0ba34e1f568d83cf tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

© dylantarre · MIT · https://github.com/dylantarre/animation-principles/tree/HEAD/skills/07-by-ui-element/lists-grids/SKILL.md

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