/**
 * Design Tokens - Graphite & Taupe Color Palette
 * DataSpur-inspired design system for Bond Priori
 */

:root {
  /* ========================================
   * COLOR PALETTE - Graphite & Taupe
   * ======================================== */

  /* Primary Colors */
  --color-deep-walnut: #4A3728;
  --color-graphite: #2D2D2D;
  --color-dusty-taupe: #8B7355;
  --color-warm-stone: #A69076;
  --color-cream: #F5F0E8;

  /* Secondary Colors */
  --color-charcoal: #1A1A1A;
  --color-slate: #4A4A4A;
  --color-ash: #6B6B6B;
  --color-soft-grey: #8A847D;
  --color-warm-grey: #A39A92;
  --color-fog: #9B9B9B;
  --color-mist: #D4D4D4;

  /* Accent Colors */
  --color-copper: #B87333;
  --color-bronze: #CD7F32;
  --color-gold: #D4AF37;
  --color-amber: #FFBF00;

  /* Semantic Colors */
  --color-success: #4A7C59;
  --color-warning: #B87333;
  --color-error: #8B3A3A;
  --color-info: #4A6B8B;

  /* ========================================
   * RGB VARIANTS (for rgba() usage)
   * ======================================== */
  --color-deep-walnut-rgb: 74, 55, 40;
  --color-graphite-rgb: 45, 45, 45;
  --color-dusty-taupe-rgb: 139, 115, 85;
  --color-warm-stone-rgb: 166, 144, 118;
  --color-cream-rgb: 245, 240, 232;
  --color-charcoal-rgb: 26, 26, 26;
  --color-slate-rgb: 74, 74, 74;
  --color-ash-rgb: 107, 107, 107;
  --color-soft-grey-rgb: 138, 132, 125;
  --color-warm-grey-rgb: 163, 154, 146;
  --color-fog-rgb: 155, 155, 155;
  --color-mist-rgb: 212, 212, 212;
  --color-copper-rgb: 184, 115, 51;
  --color-white-rgb: 255, 255, 255;
  --color-black-rgb: 0, 0, 0;

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

  /* Font Families */
  --font-family-primary: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;

  /* Font Sizes - Modular Scale (1.25 ratio) */
  --font-size-xs: 0.64rem;    /* 10.24px */
  --font-size-sm: 0.8rem;     /* 12.8px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-md: 1.25rem;    /* 20px */
  --font-size-lg: 1.563rem;   /* 25px */
  --font-size-xl: 1.953rem;   /* 31.25px */
  --font-size-2xl: 2.441rem;  /* 39px */
  --font-size-3xl: 3.052rem;  /* 48.83px */
  --font-size-4xl: 3.815rem;  /* 61px */
  --font-size-5xl: 4.768rem;  /* 76.29px */
  --font-size-6xl: 6rem;      /* 96px - Time display */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Letter Spacing */
  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  /* ========================================
   * SPACING SYSTEM (8px base)
   * ======================================== */
  --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 */
  --space-32: 8rem;     /* 128px */
  --space-40: 10rem;    /* 160px */
  --space-48: 12rem;    /* 192px */
  --space-56: 14rem;    /* 224px */
  --space-64: 16rem;    /* 256px */

  /* ========================================
   * BORDER RADIUS
   * ======================================== */
  --radius-none: 0;
  --radius-sm: 0.125rem;  /* 2px */
  --radius-md: 0.25rem;   /* 4px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-3xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ========================================
   * TRANSITIONS
   * ======================================== */
  --transition-fast: 150ms;
  --transition-normal: 250ms;
  --transition-slow: 350ms;
  --transition-slower: 500ms;

  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --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-behind: -1;
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal-backdrop: 40;
  --z-modal: 50;
  --z-popover: 60;
  --z-tooltip: 70;
  --z-toast: 80;
  --z-max: 9999;

  /* ========================================
   * SHADOWS
   * ======================================== */
  --shadow-sm: 0 1px 2px 0 rgba(var(--color-black-rgb), 0.05);
  --shadow-md: 0 4px 6px -1px rgba(var(--color-black-rgb), 0.1),
               0 2px 4px -1px rgba(var(--color-black-rgb), 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(var(--color-black-rgb), 0.1),
               0 4px 6px -2px rgba(var(--color-black-rgb), 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(var(--color-black-rgb), 0.1),
               0 10px 10px -5px rgba(var(--color-black-rgb), 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(var(--color-black-rgb), 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(var(--color-black-rgb), 0.06);

  /* Glass Shadow */
  --shadow-glass: 0 8px 32px 0 rgba(var(--color-black-rgb), 0.37);
}