[data-palette='martech-blue']{
  --color-primary: #12326e;
  --color-secondary: #5a6b8c;
  --color-accent: #1f5fbf;
  --color-bg: #ffffff;
  --color-bg-elevated: #f3f6fb;
  --color-text: #101828;
  --color-text-muted: #5a6b8c;
  --color-border: #e4e8f0;
}
html[data-theme='dark'] [data-palette='gallery-ivory'],
html[data-theme='dark'] [data-palette='monochrome-noir'],
html[data-theme='dark'] [data-palette='blush-glow'],
html[data-theme='dark'] [data-palette='champagne-gold'],
html[data-theme='dark'] [data-palette='martech-blue'],
html[data-theme='dark'] [data-palette='blueprint-orange'],
html[data-theme='dark'] [data-palette='salmon-press'],
html[data-theme='dark'] [data-palette='expedition-yellow'],
html[data-theme='dark'] [data-palette='herald-ink'],
html[data-theme='dark'] [data-palette='trade-ticket'],
html[data-theme='dark'] [data-palette='signal-teal'],
html[data-theme='dark'] [data-palette='ledger-green']{
  --color-primary: #f5f5f5;
  --color-secondary: #a0a0a6;
  --color-bg: #0a0a0a;
  --color-bg-elevated: #161616;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a0a6;
  --color-border: #2a2a2a;
}
html[data-theme='dark'] [data-palette='martech-blue']{ --color-accent: #6f9ee8; }