:root {
  /* Backgrounds */
  --bg-primary: #000000;
  --bg-secondary: #050505;
  --bg-elevated: #0D0D0D;
  --bg-card: #111111;
  --bg-surface: #181818;

  /* Borders */
  --border-default: #1A1A1A;

  /* Text */
  --text-primary: #FFFFFF;
  --text-secondary: #E5E5E5;
  --text-muted: #737373;
  --text-subtle: #565656;
  --text-disabled: #404040;

  /* Data */
  --data-positive: #3AD09B;
  --data-negative: #C54545;

  /* Spacing (8px grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Font sizes */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 18px;
  --text-xl: 24px;
  --text-title: 32px;
  --text-hero: 48px;

  /* Letter spacing */
  --tracking-compact: 0.45px;
  --tracking-normal: 0.6px;
  --tracking-wide: 0.8px;
  --tracking-headline: 1.1px;

  /* Line heights */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;
}