/* Design System - De Strategische Arena */
/* Custom Properties for consistent theming */

:root {
  /* Primary Color Palette - Yale Blue */
  --color-primary-50: #e6eff7;
  --color-primary-100: #cce0f0;
  --color-primary-200: #99c0e0;
  --color-primary-300: #66a1d1;
  --color-primary-400: #3381c1;
  --color-primary-500: #0F4C81;  /* Yale Blue - Main brand color */
  --color-primary-600: #0c3d68;
  --color-primary-700: #092e4e;
  --color-primary-800: #061f35;
  --color-primary-900: #03101b;

  /* Accent Colors */
  --color-accent-light: #FFF9E6;    /* Lemon Chiffon - Light backgrounds */
  --color-accent-yellow: #FFE566;   /* Naples Yellow - Attention/Highlights */
  --color-accent-orange: #F4A460;   /* Sandy Brown - Warm accent */
  --color-accent-red: #FF6347;      /* Tomato - Alert/Error states */

  /* Role-Specific Colors */
  --color-role-rvb: #0F4C81;        /* Yale Blue - Raad van Bestuur */
  --color-role-rvc: #9333ea;        /* Purple - Raad van Commissarissen */
  --color-role-invest: #10b981;     /* Green - Investeerders */
  --color-role-toezicht: #F4A460;   /* Sandy Brown - Toezichthouder */
  --color-role-observer: #6b7280;   /* Gray - Observatoren */

  /* Semantic Colors */
  --color-success-50: #f0fdf4;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-success-700: #15803d;

  --color-warning-50: #FFF9E6;      /* Lemon Chiffon */
  --color-warning-500: #FFE566;     /* Naples Yellow */
  --color-warning-600: #e6cc4d;
  --color-warning-700: #ccb333;

  --color-error-50: #fff5f3;
  --color-error-500: #FF6347;       /* Tomato */
  --color-error-600: #e6573f;
  --color-error-700: #cc4d38;

  --color-info-50: #f0f9ff;
  --color-info-500: #06b6d4;
  --color-info-600: #0891b2;
  --color-info-700: #0e7490;

  /* Gray Scale */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography - Font Families */
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;

  /* Typography - Font Sizes */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */

  /* Typography - Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Typography - Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Shadows - Enhanced for better depth perception */
  --shadow-sm: 0 1px 2px 0 rgba(15, 76, 129, 0.05);
  --shadow-base: 0 2px 4px 0 rgba(15, 76, 129, 0.08), 0 1px 2px 0 rgba(15, 76, 129, 0.04);
  --shadow-md: 0 4px 8px -1px rgba(15, 76, 129, 0.12), 0 2px 4px -1px rgba(15, 76, 129, 0.06);
  --shadow-lg: 0 12px 20px -4px rgba(15, 76, 129, 0.15), 0 4px 8px -2px rgba(15, 76, 129, 0.08);
  --shadow-xl: 0 24px 32px -8px rgba(15, 76, 129, 0.18), 0 12px 16px -6px rgba(15, 76, 129, 0.10);

  /* Animation Durations */
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 700ms;

  /* Animation Easings */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Scale */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-modal: 100;
  --z-tooltip: 200;

  /* Breakpoints (for reference in JS) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* Dark mode variables (future enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode colors would go here */
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-primary-500: #1d4ed8;
    --color-primary-600: #1e3a8a;
    --shadow-base: 0 0 0 1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 0 0 1px rgba(0, 0, 0, 0.2);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
  }
}