/**
 * Design System Variables
 * Artalytics Metrics - Investor Showcase Edition
 * Institutional-grade color palette and spacing system
 */

:root {
  /* ============================================
     PRIMARY BRAND COLORS - Finance Grade
     ============================================ */

  /* Deep Navy - Trust, Stability, Expertise */
  --color-navy-900: #0A1F44;
  --color-navy-800: #0F2951;
  --color-navy-700: #14335E;
  --color-navy-600: #193D6B;
  --color-navy-500: #1E4778;
  --color-navy-400: #2E5A94;
  --color-navy-300: #4A7AB5;
  --color-navy-200: #7AA0CF;
  --color-navy-100: #B0C8E5;
  --color-navy-50:  #E8EFF6;

  /* Platinum/Silver - Precision, Technology */
  --color-platinum-100: #F8F8F8;
  --color-platinum-200: #E8E8E8;
  --color-platinum-300: #D8D8D8;
  --color-platinum-400: #C8C8C8;
  --color-platinum-500: #B8B8B8;

  /* Gold Accent - Value, Art Market */
  --color-gold-light: #FFD700;
  --color-gold-medium: #D4AF37;
  --color-gold-dark: #B8960C;
  --color-gold-gradient: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold-medium) 100%);

  /* ============================================
     DIMENSION COLORS - Refined Palette
     ============================================ */

  /* Time & Effort - Deep Crimson to Burgundy */
  --color-time-light: #B91C1C;
  --color-time-medium: #8B0000;
  --color-time-dark: #4A0E0E;
  --color-time-gradient: linear-gradient(135deg, #B91C1C 0%, #8B0000 100%);

  /* Skill & Artistry - Royal Gold to Amber */
  --color-skill-light: #F59E0B;
  --color-skill-medium: #DAA520;
  --color-skill-dark: #B8860B;
  --color-skill-gradient: linear-gradient(135deg, #F59E0B 0%, #DAA520 100%);

  /* Complexity & Detail - Deep Violet to Plum */
  --color-complexity-light: #7C3AED;
  --color-complexity-medium: #4B0082;
  --color-complexity-dark: #2E0854;
  --color-complexity-gradient: linear-gradient(135deg, #7C3AED 0%, #4B0082 100%);

  /* ============================================
     FUNCTIONAL COLORS
     ============================================ */

  /* Success */
  --color-success-light: #4ADE80;
  --color-success-medium: #2F5233;
  --color-success-dark: #1A3020;

  /* Warning */
  --color-warning-light: #FB923C;
  --color-warning-medium: #CC5500;
  --color-warning-dark: #8B3A00;

  /* Error */
  --color-error-light: #F87171;
  --color-error-medium: #8B0000;
  --color-error-dark: #5C0000;

  /* Info */
  --color-info-light: #60A5FA;
  --color-info-medium: #4682B4;
  --color-info-dark: #2F5680;

  /* ============================================
     LIGHT THEME (Default)
     ============================================ */

  --color-background: #FFFFFF;
  --color-surface: #F8F8F8;
  --color-surface-raised: #FFFFFF;
  --color-border: #E5E5E5;
  --color-divider: #E0E0E0;

  --color-text-primary: #0A1F44;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748B;
  --color-text-inverse: #FFFFFF;

  --color-link: #1E4778;
  --color-link-hover: #D4AF37;
  --color-link-visited: #14335E;

  /* ============================================
     TYPOGRAPHY
     ============================================ */

  /* Font Families */
  --font-display: 'Inter', 'Manrope', system-ui, -apple-system, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-code: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-mono: var(--font-code);

  /* Font Sizes */
  --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: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

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

  /* Font Weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;
  --weight-black: 900;

  /* ============================================
     SPACING SYSTEM (8px base grid)
     ============================================ */

  --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 */
  --space-32: 8rem;     /* 128px */

  /* ============================================
     LAYOUT & SIZING
     ============================================ */

  --max-width-content: 1200px;
  --max-width-wide: 1400px;
  --max-width-narrow: 800px;

  --sidebar-width: 280px;
  --navbar-height: 64px;

  /* ============================================
     BORDERS & RADIUS
     ============================================ */

  --border-width: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 3px;

  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ============================================
     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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Gold glow for premium elements */
  --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
  --shadow-gold-strong: 0 0 30px rgba(212, 175, 55, 0.5);

  /* ============================================
     TRANSITIONS & ANIMATIONS
     ============================================ */

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slowest: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  --easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --easing-accelerate: cubic-bezier(0.4, 0, 1, 1);

  /* ============================================
     Z-INDEX LAYERS
     ============================================ */

  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}