Tetris design system

# Falling-block arcade

Grid rhythm, bright tetromino colors, and crisp game-state modules.

Primary arcade block button Secondary action

Live module

### scoreboard grid panel

online
98%Signal quality
24 Active flows
3.2s Response time

### Palette

arcade grid system with black board surfaces and bright geometric block colors.

### Control

Focus, hover, and status states share the same brand signal.

Reference input

Typography

## Display rhythm

Headlines use the brand display stack with the declared scale and leading.

Surface

## Layer system

Cards, warm panels, borders, and raised states resolve through shared tokens.

Interaction

## Motion states

Buttons, inputs, and panels use brand-specific focus rings and easing.