/* css/tokens.css */
:root {
  /* Brand Color Palette */
  --bg-primary: #0A0A0C;         /* Near-black page background */
  --bg-surface: #141417;         /* Cards, panels, footer background */
  --bg-surface-raised: #1C1C20;  /* Hover states, dropdowns, modals */
  --accent-lime: #C6FF3D;        /* Primary neon-lime accent */
  --accent-lime-dim: #8FBE2B;    /* Hover/active state of lime */
  --text-primary: #F2F2EF;       /* Pure off-white headings and main text */
  --text-secondary: #9A9AA0;     /* Muted gray body copy and captions */
  --border-hairline: #2A2A2E;    /* 1px outline/border color */
  
  /* Status Colors */
  --error: #FF4D4D;
  --error-bg: rgba(255, 77, 77, 0.1);
  --success: #3DF073;
  --success-bg: rgba(61, 240, 115, 0.1);
  
  /* Accent & Material Effects */
  --gradient-silver: linear-gradient(135deg, #FFFFFF 0%, #A0A0A5 50%, #E5E5EA 100%);
  --glow-lime: 0 0 15px rgba(198, 255, 61, 0.4);
  --glow-lime-intense: 0 0 25px rgba(198, 255, 61, 0.65);
  --border-focus: 1px solid var(--accent-lime);

  /* Standardized Type Scale */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 2rem;       /* 32px */

  /* Typography Stack */
  --font-display: 'Chakra Petch', 'Space Grotesk', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Font Weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing Scale (4px base) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  /* Layout Widths */
  --container-max-width: 1200px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Z-Index Layering */
  --z-header: 100;
  --z-overlay: 200;
  --z-toast: 300;
}