/**
 * Global CSS Variables for Express Solutions Lab Theme
 * 
 * This file contains variables that can be easily modified to change
 * the global styling of the entire theme including colors, fonts, and spacing.
 */

:root {
  /* Primary Colors */
  --color-primary: #03979d;          /* teal primary */
  --color-primary-dark: #027b80;     /* darker teal */
  --color-primary-light: #04b3ba;    /* lighter teal */
  
  /* Secondary Colors */
  --color-secondary: #ffdd58;        /* yellow secondary */
  --color-secondary-dark: #ffd024;   /* darker yellow */
  --color-secondary-light: #ffea8c;  /* lighter yellow */
  
  /* Text Colors */
  --text-color-primary: var(--color-primary);         /* primary text color */
  --text-color-primary-dark: var(--color-primary-dark);  /* darker primary text */
  --text-color-primary-light: var(--color-primary-light); /* lighter primary text */
  --text-color-secondary: var(--color-secondary);      /* secondary text color */
  --text-color-secondary-dark: var(--color-secondary-dark); /* darker secondary text */
  --text-color-secondary-light: var(--color-secondary-light); /* lighter secondary text */
  --text-color-default: var(--color-gray-800);        /* default text color */
  --text-color-muted: var(--color-gray-500);          /* muted/secondary text */
  --text-color-light: var(--color-gray-300);          /* light text color */
  --text-color-heading: var(--color-gray-900);        /* heading text color */
  --text-color-link: var(--color-primary);            /* link text color */
  --text-color-link-hover: var(--color-primary-dark); /* link hover color */
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --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;
  
  /* Accent Colors */
  --color-success: #10b981;          /* emerald-500 */
  --color-error: #ef4444;            /* red-500 */
  --color-warning: #f59e0b;          /* amber-500 */
  --color-info: #03979d;             /* updated to match primary */
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  
  /* 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 */
  --font-size-5xl: 3rem;             /* 48px */
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 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;
  
  /* Border Radius */
  --border-radius-none: 0;
  --border-radius-sm: 0.125rem;      /* 2px */
  --border-radius-default: 0.25rem;  /* 4px */
  --border-radius-md: 0.375rem;      /* 6px */
  --border-radius-lg: 0.5rem;        /* 8px */
  --border-radius-xl: 0.75rem;       /* 12px */
  --border-radius-2xl: 1rem;         /* 16px */
  --border-radius-3xl: 1.5rem;       /* 24px */
  --border-radius-full: 9999px;
  
  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;              /* 4px */
  --spacing-2: 0.5rem;               /* 8px */
  --spacing-3: 0.75rem;              /* 12px */
  --spacing-4: 1rem;                 /* 16px */
  --spacing-5: 1.25rem;              /* 20px */
  --spacing-6: 1.5rem;               /* 24px */
  --spacing-8: 2rem;                 /* 32px */
  --spacing-10: 2.5rem;              /* 40px */
  --spacing-12: 3rem;                /* 48px */
  --spacing-16: 4rem;                /* 64px */
  --spacing-20: 5rem;                /* 80px */
  --spacing-24: 6rem;                /* 96px */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-default: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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-default: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.5s ease;
  
  /* Gradients */
  --gradient-primary: linear-gradient(to right, var(--color-primary-dark), var(--color-secondary-dark));
  --gradient-primary-light: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  
  /* Container Max Widths */
  --container-max-width: 1280px;

  /* Background Colors */
  --bg-body: var(--color-white);
  --bg-card: var(--color-white);
  --bg-light: var(--color-gray-100);
  --bg-dark: #1a202c;                /* darker background for footer - updated */
  --bg-header: var(--color-white);
  --bg-footer: #0f172a;              /* very dark blue/black for footer */
  
  /* Text Colors for Dark Backgrounds */
  --text-white: #ffffff;             /* white text for dark backgrounds */
  --text-light: var(--color-gray-200); /* light text for dark backgrounds */
  
  /* Button Sizes */
  --btn-padding-sm: var(--spacing-1) var(--spacing-3);  /* small button padding */
  --btn-padding-default: var(--spacing-2) var(--spacing-4);  /* default button padding */
  --btn-padding-lg: var(--spacing-3) var(--spacing-8);  /* large button padding */
  --btn-font-size-sm: var(--font-size-sm);  /* small button font size */
  --btn-font-size-default: var(--font-size-base);  /* default button font size */
  --btn-font-size-lg: var(--font-size-lg);  /* large button font size */
}

/* Dark mode variables - commented out to enforce light theme */
/*
@media (prefers-color-scheme: dark) {
  :root {
    /* Override specific variables for dark mode */
    --color-white: #111827;
    --color-black: #ffffff;
    --color-gray-50: #1f2937;
    --color-gray-100: #374151;
    --color-gray-200: #4b5563;
    --color-gray-300: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-500: #d1d5db;
    --color-gray-600: #e5e7eb;
    --color-gray-700: #f3f4f6;
    --color-gray-800: #f9fafb;
    --color-gray-900: #ffffff;
    
    /* Header and Footer specific dark mode variables */
    --bg-header-dark: #111827;
    --text-header-dark: #f3f4f6;
    --bg-footer-dark: #0f172a;
    
    /* Shadow adjustments for dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-default: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  }
}
*/