/* 
 * variables.css
 * Contains all global CSS variables used throughout the website
 * Includes colors, typography, spacing, and other base values
 */

:root {
    /* Color System */
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-300: #93c5fd;
    --color-primary-400: #60a5fa;
    --color-primary-500: #3b82f6;
    --color-primary-600: #2563eb;
    --color-primary-700: #1d4ed8;
    --color-primary-800: #1e40af;
    --color-primary-900: #1e3a8a;
    
    --color-secondary-50: #f0f9ff;
    --color-secondary-100: #e0f2fe;
    --color-secondary-500: #0ea5e9;
    --color-secondary-700: #0369a1;
    --color-secondary-900: #0c4a6e;
    
    --color-accent-50: #fef2f2;
    --color-accent-100: #fee2e2;
    --color-accent-500: #ef4444;
    --color-accent-700: #b91c1c;
    --color-accent-900: #7f1d1d;
    
    --color-success-500: #22c55e;
    --color-warning-500: #eab308;
    --color-error-500: #ef4444;
    
    --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;
    
    --color-background: rgba(15, 23, 42, 0.95);
    --color-text: var(--color-gray-100);
    --color-text-muted: var(--color-gray-400);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --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-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing (8px grid system) */
    --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 */
    
    /* Border Radius */
    --radius-sm: 0.125rem; /* 2px */
    --radius-md: 0.375rem; /* 6px */
    --radius-lg: 0.5rem;   /* 8px */
    --radius-xl: 0.75rem;  /* 12px */
    --radius-2xl: 1rem;    /* 16px */
    --radius-full: 9999px;
    
    /* Box 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);
    
    /* Z-index layers */
    --z-index-background: -1;
    --z-index-default: 1;
    --z-index-header: 10;
    --z-index-dropdown: 20;
    --z-index-modal: 30;
    --z-index-toast: 40;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container max widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    
    /* Glass effect */
    --glass-background: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}