/**
 * RacterVault Brand Variables
 * Version: 1.0
 * Last Updated: February 1, 2026
 * 
 * This file contains all brand colors, typography, and design tokens
 * for consistent styling across the RacterVault platform.
 */

:root {
  /* ============================================
     PRIMARY COLORS
     ============================================ */
  
  /* Icelandic Blue - Primary brand color */
  --color-primary: #1A4D7A;
  --color-primary-rgb: 26, 77, 122;
  --color-primary-light: #2A6BA0;
  --color-primary-dark: #0F3554;
  --color-primary-contrast: #FFFFFF;
  
  /* Quantum Silver - Secondary brand color */
  --color-secondary: #8B9DC3;
  --color-secondary-rgb: 139, 157, 195;
  --color-secondary-light: #A5B5D5;
  --color-secondary-dark: #6B7FA3;
  --color-secondary-contrast: #1C1C1E;
  
  /* Vault Black - Neutral dark */
  --color-neutral-dark: #1C1C1E;
  --color-neutral-dark-rgb: 28, 28, 30;
  
  /* ============================================
     ACCENT COLORS
     ============================================ */
  
  /* Legacy Gold - Premium/Succession features */
  --color-accent-gold: #D4AF37;
  --color-accent-gold-rgb: 212, 175, 55;
  --color-accent-gold-light: #E4C557;
  --color-accent-gold-dark: #B49527;
  
  /* Alert Red - Warnings/Critical */
  --color-alert-red: #D32F2F;
  --color-alert-red-rgb: 211, 47, 47;
  --color-alert-red-light: #E35353;
  --color-alert-red-dark: #B71C1C;
  
  /* Success Green - Confirmations */
  --color-success-green: #388E3C;
  --color-success-green-rgb: 56, 142, 60;
  --color-success-green-light: #4CAF50;
  --color-success-green-dark: #2E7D32;
  
  /* Nordic Frost - Light backgrounds */
  --color-background-frost: #F5F7FA;
  --color-background-frost-rgb: 245, 247, 250;
  
  /* ============================================
     NEUTRAL COLORS
     ============================================ */
  
  --color-white: #FFFFFF;
  --color-black: #000000;
  
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #EEEEEE;
  --color-gray-300: #E0E0E0;
  --color-gray-400: #BDBDBD;
  --color-gray-500: #9E9E9E;
  --color-gray-600: #757575;
  --color-gray-700: #616161;
  --color-gray-800: #424242;
  --color-gray-900: #212121;
  
  /* ============================================
     SEMANTIC COLORS
     ============================================ */
  
  --color-info: #2196F3;
  --color-warning: #FF9800;
  --color-error: var(--color-alert-red);
  --color-success: var(--color-success-green);
  
  /* ============================================
     TYPOGRAPHY
     ============================================ */
  
  /* Font Families */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 
                  'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-monospace: 'JetBrains Mono', 'Courier New', Courier, monospace;
  
  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 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: 1.75rem;   /* 28px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.8;
  
  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.02em;
  
  /* ============================================
     SPACING
     ============================================ */
  
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */
  
  /* ============================================
     BORDERS
     ============================================ */
  
  --border-radius-sm: 0.25rem;  /* 4px */
  --border-radius-md: 0.5rem;   /* 8px */
  --border-radius-lg: 1rem;     /* 16px */
  --border-radius-full: 9999px;
  
  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 4px;
  
  /* ============================================
     SHADOWS
     ============================================ */
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 
               0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 
               0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 
               0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* ============================================
     TRANSITIONS
     ============================================ */
  
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  
  /* ============================================
     Z-INDEX
     ============================================ */
  
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  
  /* ============================================
     BREAKPOINTS (for reference in media queries)
     ============================================ */
  
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ============================================
   DARK MODE OVERRIDES
   ============================================ */

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: var(--color-neutral-dark);
    --color-surface: #2C2C2E;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A0A0A0;
    --color-border: #3C3C3E;
  }
}

/* Light mode (default) */
:root {
  --color-background: var(--color-white);
  --color-surface: var(--color-background-frost);
  --color-text-primary: var(--color-neutral-dark);
  --color-text-secondary: var(--color-gray-600);
  --color-border: var(--color-gray-300);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-gold { color: var(--color-accent-gold); }
.text-error { color: var(--color-alert-red); }
.text-success { color: var(--color-success-green); }

/* Background Colors */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-frost { background-color: var(--color-background-frost); }
.bg-dark { background-color: var(--color-neutral-dark); }

/* Typography */
.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-mono { font-family: var(--font-monospace); }

/* Spacing */
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }

/* Borders */
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }