Gilsonite Rhythmically

"### Basic Rules
1. Click on Card: Click on a card in the game area to move it to the bottom tray
2. Match 3 mechanism: When there are 3 cards with the same pattern in the tray, these cards will automatically be eliminated
3. Victory Condition: Eliminate all cards in the game area to win
4. Failure Condition: The game fails when the tray is full and match 3 cannot be formed.

### Game mechanics
- Card Blocking: The upper card will block the lower card, and only the unblocked card can be clicked
- Smart Detection: The game will automatically detect uncompleteable situations and end early
- Tool Assistance: Provides auxiliary tools such as shuffling, undoing, and prompting

## ?? Game Mode

### 1. Classic Mode
- Number of cards: 20-30 cards
- Difficulty Level: Moderate
- Suitable for: novice players

### 2. Endless Mode
- Features: Difficulty increases step by step
- Challenging: Suitable for players who are looking for a challenge
- Continuous Game: Multiple levels can be played continuously

### 3. Hard Mode
- Feature: Dense card stacking
- Difficulty Level: High
- Suitable for: Experienced players

### 4. Daily Challenge
- FEATURE: New puzzles updated daily
- UNIQUNESS: Different challenges every day
- Social: Compare results with friends

## ??️ Auxiliary tools

### Shuffle
- FEATURE: Rearrange cards in the game area
- Restriction: Cannot be used when there are less than 2 remaining cards.
- Sound Effect: Special sound effect feedback when used

### Undo
- Function: Undo the last move operation
- Limitation: Cannot be used without undoable operations
- Strategy: Recommended to be used at critical moments

### Hint
- Function: Highlight cards that can form a match-3
- Smart: Prioritize cards that can form match-3
- LIMITATION: Cannot be used when no moves are available"