/* ==========================================================================
   VISION AI DESIGN SYSTEM - THEME ENGINE TOKENS
   Primary:   #C0D532 (Chartreuse Survey Marking Yellow-Green)
   Secondary: #12102B (Deep Midnight Indigo / Underground Obsidian)
   Tertiary:  #fefefe (Clean Off-White)
   ========================================================================== */

:root {
  /* Brand Core Colors */
  --color-primary: #C0D532;
  --color-primary-rgb: 192, 213, 50;
  --color-primary-hover: #aec328;
  --color-primary-active: #9eb122;
  --color-primary-contrast: #12102B;
  --color-primary-muted: rgba(192, 213, 50, 0.12);
  --color-primary-glow: 0 0 25px rgba(192, 213, 50, 0.35);

  --color-secondary: #12102B;
  --color-secondary-rgb: 18, 16, 43;
  --color-secondary-surface: #181538;
  --color-secondary-elevated: #211c4c;
  --color-secondary-card: #151333;
  --color-secondary-border: rgba(254, 254, 254, 0.12);
  --color-secondary-border-hover: rgba(192, 213, 50, 0.45);

  --color-tertiary: #fefefe;
  --color-tertiary-rgb: 254, 254, 254;
  --color-tertiary-muted: rgba(254, 254, 254, 0.72);
  --color-tertiary-dim: rgba(254, 254, 254, 0.45);
  --color-tertiary-border: rgba(254, 254, 254, 0.08);

  /* Status Colors */
  --color-success: #C0D532;
  --color-warning: #eab308;
  --color-info: #38bdf8;
  --color-danger: #f43f5e;

  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

  --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 */
  --text-4xl: 2.75rem;    /* 44px */
  --text-5xl: 3.75rem;    /* 60px */

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Geometry & Layout */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-full: 9999px;
  --container-max: 1240px;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 20px rgba(192, 213, 50, 0.25);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}