/**
 * DRD Engineers Design Tokens
 * Based on Precision Industrial Design System (DESIGN (2).md)
 */

:root {
  /* Brand & Surface Colors */
  --color-surface: #f8fafb;
  --color-surface-dim: #d8dadb;
  --color-surface-bright: #f8fafb;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f2f4f5;
  --color-surface-container: #eceeef;
  --color-surface-container-high: #e6e8e9;
  --color-surface-container-highest: #e1e3e4;
  --color-surface-variant: #e1e3e4;
  --color-inverse-surface: #2e3132;
  --color-inverse-on-surface: #eff1f2;

  /* Primary Accent (Industrial Orange) */
  --color-primary: #954a00;
  --color-on-primary: #ffffff;
  --color-primary-container: #f4821f;
  --color-on-primary-container: #5a2a00;
  --color-inverse-primary: #ffb785;
  --color-primary-fixed: #ffdcc6;
  --color-primary-fixed-dim: #ffb785;

  /* Secondary (Slate Gray) */
  --color-secondary: #5c5f5e;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #dee0df;
  --color-on-secondary-container: #606362;
  --color-secondary-fixed: #e1e3e1;

  /* Tertiary (Midnight Carbon) */
  --color-tertiary: #5d5e61;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #9fa0a2;
  --color-on-tertiary-container: #353739;

  /* Text Colors */
  --color-on-surface: #191c1d;
  --color-on-surface-variant: #564336;
  --color-background: #f8fafb;
  --color-on-background: #191c1d;

  /* Outlines & Borders */
  --color-outline: #8a7264;
  --color-outline-variant: #ddc1b0;
  --color-border-subtle: #e1e3e4;
  --color-border-default: #d1d5d8;

  /* Status Colors */
  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #93000a;

  /* Typography Fonts */
  --font-sans: 'Hanken Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;

  /* Typography Scale */
  --font-size-display-lg: 48px;
  --font-size-headline-lg: 32px;
  --font-size-headline-lg-mobile: 24px;
  --font-size-body-md: 16px;
  --font-size-label-md: 14px;
  --font-size-label-sm: 12px;

  /* Line Heights */
  --line-height-display-lg: 56px;
  --line-height-headline-lg: 40px;
  --line-height-headline-lg-mobile: 32px;
  --line-height-body-md: 24px;
  --line-height-label-md: 20px;
  --line-height-label-sm: 16px;

  /* Spacing System (4px Base Unit) */
  --unit: 4px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --gutter-desktop: 24px;
  --gutter-mobile: 16px;
  --margin-mobile: 16px;
  --margin-desktop: 48px;
  --max-width: 1440px;

  /* Border Radii */
  --radius-sm: 0.125rem; /* 2px */
  --radius-default: 0.25rem; /* 4px */
  --radius-md: 0.375rem; /* 6px */
  --radius-lg: 0.5rem; /* 8px */
  --radius-xl: 0.75rem; /* 12px */
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}