Theming

Customize the grid appearance using CSS variables.

Default Theme

The grid uses a dark theme by default, optimized for trading applications:

:root {
  /* Backgrounds */
  --grid-bg: #0a0a0f;
  --grid-surface: #12121a;
  --grid-border: #2a2a3a;

  /* Text */
  --grid-text: #e4e4e7;
  --grid-muted: #71717a;

  /* Accent */
  --grid-accent: #3b82f6;

  /* Flash colors */
  --grid-flash-up: rgba(34, 197, 94, 0.4);
  --grid-flash-down: rgba(239, 68, 68, 0.4);

  /* Trading colors */
  --grid-bid: #22c55e;
  --grid-ask: #ef4444;
}

Light Theme

Override variables for a light theme:

.light-theme {
  --grid-bg: #ffffff;
  --grid-surface: #f4f4f5;
  --grid-border: #e4e4e7;
  --grid-text: #18181b;
  --grid-muted: #71717a;
  --grid-accent: #2563eb;
  --grid-flash-up: rgba(34, 197, 94, 0.3);
  --grid-flash-down: rgba(239, 68, 68, 0.3);
  --grid-bid: #16a34a;
  --grid-ask: #dc2626;
}

Apply the class to the grid container:

<div className="light-theme">
  <DataGrid data={data} columns={columns} rowKey="id" />
</div>

Custom Brand Colors

Match your application's brand:

.brand-theme {
  --grid-accent: #8b5cf6;     /* Purple accent */
  --grid-bid: #10b981;        /* Teal for positive */
  --grid-ask: #f43f5e;        /* Rose for negative */
}

Component Scoping

Apply different themes to different grids:

<div className="dark-theme">
  <DataGrid data={positions} columns={positionColumns} rowKey="id" />
</div>

<div className="light-theme">
  <DataGrid data={orders} columns={orderColumns} rowKey="id" />
</div>

Available Variables

Layout

Variable	Default	Description
--grid-bg	#0a0a0f	Main background
--grid-surface	#12121a	Surface/card background
--grid-border	#2a2a3a	Border color

Typography

Variable	Default	Description
--grid-text	#e4e4e7	Primary text
--grid-muted	#71717a	Secondary/muted text

Interactive

Variable	Default	Description
--grid-accent	#3b82f6	Accent/highlight color
--grid-hover	rgba(255,255,255,0.05)	Row hover background

Trading

Variable	Default	Description
--grid-bid	#22c55e	Bid/buy/positive color
--grid-ask	#ef4444	Ask/sell/negative color
--grid-flash-up	rgba(34, 197, 94, 0.4)	Flash up background
--grid-flash-down	rgba(239, 68, 68, 0.4)	Flash down background

Row Styling

Row Height

.askturret-grid-row {
  height: 40px;  /* Default: 36px */
}

.askturret-grid.compact .askturret-grid-row {
  height: 28px;  /* Compact mode */
}

Alternating Rows

.askturret-grid-row:nth-child(even) {
  background: var(--grid-surface);
}

Hover Effect

.askturret-grid-row:hover {
  background: var(--grid-hover);
}

Header Styling

.askturret-grid-header {
  background: var(--grid-surface);
  border-bottom: 1px solid var(--grid-border);
}

.askturret-grid-header-cell {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

Cell Styling

/* All cells */
.askturret-grid-cell {
  padding: 0 12px;
}

/* Numeric cells */
.askturret-grid-cell[data-align="right"] {
  font-variant-numeric: tabular-nums;
}

Filter Input

.askturret-grid-filter {
  background: var(--grid-surface);
  border: 1px solid var(--grid-border);
  color: var(--grid-text);
}

.askturret-grid-filter:focus {
  border-color: var(--grid-accent);
  outline: none;
}

Trading Components

Each component inherits from the same CSS variables:

OrderBook

.askturret-orderbook-bid {
  color: var(--grid-bid);
}

.askturret-orderbook-ask {
  color: var(--grid-ask);
}

.askturret-orderbook-depth-bar-bid {
  background: var(--grid-bid);
  opacity: 0.2;
}

TimeSales

.askturret-timesales-buy {
  color: var(--grid-bid);
}

.askturret-timesales-sell {
  color: var(--grid-ask);
}

System Preference Detection

Respect user's system theme preference:

@media (prefers-color-scheme: light) {
  :root {
    --grid-bg: #ffffff;
    --grid-surface: #f4f4f5;
    --grid-border: #e4e4e7;
    --grid-text: #18181b;
    /* ... other light theme variables */
  }
}

Or use JavaScript:

const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;

<div className={prefersDark ? 'dark-theme' : 'light-theme'}>
  <DataGrid ... />
</div>

Example: Bloomberg Terminal Style

.bloomberg-theme {
  --grid-bg: #000000;
  --grid-surface: #1a1a1a;
  --grid-border: #333333;
  --grid-text: #ff9900;
  --grid-muted: #666666;
  --grid-accent: #ff9900;
  --grid-bid: #00ff00;
  --grid-ask: #ff0000;

  font-family: 'Consolas', 'Monaco', monospace;
}