/**
 * NORDLYS DESIGN SYSTEM - Token Architecture
 * Core token definitions following semantic-first approach
 * Version: 1.0.0
 */

:root {
  /* ==========================================
     BASE PRIMITIVES - Color Scales
     ========================================== */
  
  /* Neutral Scale */
  --nordlys-neutral-50: #FAFAFA;
  --nordlys-neutral-100: #F4F4F5;
  --nordlys-neutral-200: #E4E4E7;
  --nordlys-neutral-300: #D4D4D8;
  --nordlys-neutral-400: #A1A1AA;
  --nordlys-neutral-500: #71717A;
  --nordlys-neutral-600: #52525B;
  --nordlys-neutral-700: #3F3F46;
  --nordlys-neutral-800: #27272A;
  --nordlys-neutral-900: #18181B;
  --nordlys-neutral-950: #09090B;
  
  /* Accent Scale - Aurora Inspired */
  --nordlys-accent-50: #EFF6FF;
  --nordlys-accent-100: #DBEAFE;
  --nordlys-accent-200: #BFDBFE;
  --nordlys-accent-300: #93C5FD;
  --nordlys-accent-400: #60A5FA;
  --nordlys-accent-500: #3B82F6;
  --nordlys-accent-600: #2563EB;
  --nordlys-accent-700: #1D4ED8;
  --nordlys-accent-800: #1E40AF;
  --nordlys-accent-900: #1E3A8A;
  
  /* Danger Scale */
  --nordlys-danger-50: #FEF2F2;
  --nordlys-danger-100: #FEE2E2;
  --nordlys-danger-200: #FECACA;
  --nordlys-danger-300: #FCA5A5;
  --nordlys-danger-400: #F87171;
  --nordlys-danger-500: #EF4444;
  --nordlys-danger-600: #DC2626;
  --nordlys-danger-700: #B91C1C;
  --nordlys-danger-800: #991B1B;
  --nordlys-danger-900: #7F1D1D;
  
  /* Warning Scale */
  --nordlys-warning-50: #FFFBEB;
  --nordlys-warning-100: #FEF3C7;
  --nordlys-warning-200: #FDE68A;
  --nordlys-warning-300: #FCD34D;
  --nordlys-warning-400: #FBBF24;
  --nordlys-warning-500: #F59E0B;
  --nordlys-warning-600: #D97706;
  --nordlys-warning-700: #B45309;
  --nordlys-warning-800: #92400E;
  --nordlys-warning-900: #78350F;
  
  /* Success Scale */
  --nordlys-success-50: #F0FDF4;
  --nordlys-success-100: #DCFCE7;
  --nordlys-success-200: #BBF7D0;
  --nordlys-success-300: #86EFAC;
  --nordlys-success-400: #4ADE80;
  --nordlys-success-500: #22C55E;
  --nordlys-success-600: #16A34A;
  --nordlys-success-700: #15803D;
  --nordlys-success-800: #166534;
  --nordlys-success-900: #14532D;
  
  /* Aurora Gradient Colors */
  --nordlys-aurora-teal: #06B6D4;
  --nordlys-aurora-purple: #8B5CF6;
  --nordlys-aurora-pink: #EC4899;
  --nordlys-aurora-green: #10B981;
  
  /* ==========================================
     SEMANTIC MAPPING - Dark Theme Default
     ========================================== */
  
  /* Backgrounds */
  --nordlys-bg-base: var(--nordlys-neutral-950);
  --nordlys-bg-surface: var(--nordlys-neutral-900);
  --nordlys-bg-alt: var(--nordlys-neutral-800);
  --nordlys-bg-elevated: rgba(39, 39, 42, 0.8); /* neutral-800 with alpha */
  --nordlys-bg-overlay: rgba(9, 9, 11, 0.9); /* neutral-950 with alpha */
  
  /* Text */
  --nordlys-text-primary: var(--nordlys-neutral-50);
  --nordlys-text-secondary: var(--nordlys-neutral-400);
  --nordlys-text-muted: var(--nordlys-neutral-500);
  --nordlys-text-disabled: var(--nordlys-neutral-600);
  
  /* Borders */
  --nordlys-border-subtle: rgba(161, 161, 170, 0.1);
  --nordlys-border-default: rgba(161, 161, 170, 0.2);
  --nordlys-border-strong: rgba(161, 161, 170, 0.3);
  
  /* Interactive States */
  --nordlys-ring-focus: var(--nordlys-accent-500);
  --nordlys-hover-overlay: rgba(255, 255, 255, 0.05);
  --nordlys-active-overlay: rgba(255, 255, 255, 0.1);
  --nordlys-disabled-overlay: rgba(0, 0, 0, 0.3);
  
  /* Shadows */
  --nordlys-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --nordlys-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --nordlys-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --nordlys-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --nordlys-shadow-elevated: 0 10px 40px rgba(0, 0, 0, 0.4);
  --nordlys-shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  
  /* ==========================================
     TYPOGRAPHY SCALE
     ========================================== */
  
  /* Font Families */
  --nordlys-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nordlys-font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;
  
  /* Font Sizes */
  --nordlys-text-xs: 0.75rem;     /* 12px */
  --nordlys-text-sm: 0.875rem;    /* 14px */
  --nordlys-text-base: 1rem;      /* 16px */
  --nordlys-text-lg: 1.125rem;    /* 18px */
  --nordlys-text-xl: 1.25rem;     /* 20px */
  --nordlys-text-2xl: 1.5rem;     /* 24px */
  --nordlys-text-3xl: 1.875rem;   /* 30px */
  --nordlys-text-4xl: 2.25rem;    /* 36px */
  --nordlys-text-5xl: 3rem;       /* 48px */
  --nordlys-text-6xl: 3.75rem;    /* 60px */
  
  /* Font Weights */
  --nordlys-font-normal: 400;
  --nordlys-font-medium: 500;
  --nordlys-font-semibold: 600;
  --nordlys-font-bold: 700;
  
  /* Line Heights */
  --nordlys-leading-tight: 1.25;
  --nordlys-leading-normal: 1.5;
  --nordlys-leading-relaxed: 1.625;
  --nordlys-leading-loose: 2;
  
  /* Letter Spacing */
  --nordlys-tracking-tight: -0.025em;
  --nordlys-tracking-normal: 0;
  --nordlys-tracking-wide: 0.025em;
  --nordlys-tracking-wider: 0.05em;
  --nordlys-tracking-widest: 0.1em;
  
  /* ==========================================
     SPACING SCALE (Modular)
     ========================================== */
  
  --nordlys-space-0: 0;
  --nordlys-space-1: 0.25rem;   /* 4px */
  --nordlys-space-2: 0.5rem;    /* 8px */
  --nordlys-space-3: 0.75rem;   /* 12px */
  --nordlys-space-4: 1rem;      /* 16px */
  --nordlys-space-5: 1.25rem;   /* 20px */
  --nordlys-space-6: 1.5rem;    /* 24px */
  --nordlys-space-8: 2rem;      /* 32px */
  --nordlys-space-10: 2.5rem;   /* 40px */
  --nordlys-space-12: 3rem;     /* 48px */
  --nordlys-space-16: 4rem;     /* 64px */
  --nordlys-space-20: 5rem;     /* 80px */
  --nordlys-space-24: 6rem;     /* 96px */
  
  /* ==========================================
     MOTION TOKENS
     ========================================== */
  
  /* Durations */
  --nordlys-duration-micro: 120ms;
  --nordlys-duration-standard: 200ms;
  --nordlys-duration-entrance: 320ms;
  --nordlys-duration-narrative: 600ms;
  
  /* Easing */
  --nordlys-ease-default: cubic-bezier(0.16, 1, 0.3, 1);
  --nordlys-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --nordlys-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --nordlys-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* ==========================================
     ELEVATION LAYERS
     ========================================== */
  
  --nordlys-z-base: 0;
  --nordlys-z-raised: 10;
  --nordlys-z-overlay: 20;
  --nordlys-z-spotlight: 30;
  --nordlys-z-modal: 40;
  --nordlys-z-toast: 50;
  --nordlys-z-tooltip: 60;
  
  /* ==========================================
     BORDER RADIUS
     ========================================== */
  
  --nordlys-radius-none: 0;
  --nordlys-radius-sm: 0.125rem;   /* 2px */
  --nordlys-radius-md: 0.375rem;   /* 6px */
  --nordlys-radius-lg: 0.5rem;     /* 8px */
  --nordlys-radius-xl: 0.75rem;    /* 12px */
  --nordlys-radius-2xl: 1rem;      /* 16px */
  --nordlys-radius-full: 9999px;
  
  /* ==========================================
     CONTAINER WIDTHS
     ========================================== */
  
  --nordlys-container-prose: 42rem;    /* 672px */
  --nordlys-container-content: 64rem;  /* 1024px */
  --nordlys-container-wide: 80rem;     /* 1280px */
  --nordlys-container-fluid: 100%;
}


/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  :root {
    --nordlys-duration-micro: 0.01ms;
    --nordlys-duration-standard: 0.01ms;
    --nordlys-duration-entrance: 0.01ms;
    --nordlys-duration-narrative: 0.01ms;
  }
}