/* Design System - Variables */

:root {
    /* Colors - Backgrounds */
    --color-bg-primary: #0f1419;
    --color-bg-secondary: #1a1f2e;
    --color-bg-tertiary: #232b3d;

    /* Colors - Text */
    --color-text-primary: #e6edf3;
    --color-text-secondary: #9198a1;
    --color-text-tertiary: #656d76;

    /* Colors - Accents */
    --color-accent-blue: #3b82f6;
    --color-accent-cyan: #06b6d4;
    --color-accent-purple: #8b5cf6;

    /* Colors - Borders */
    --color-border: #2d3748;
    --color-border-hover: #3d4758;

    /* Typography - Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                     'SF Pro Display', system-ui, sans-serif;

    /* Typography - Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.5rem;       /* 24px */
    --text-2xl: 2rem;        /* 32px */
    --text-3xl: 2.5rem;      /* 40px */
    --text-4xl: 3rem;        /* 48px */

    /* Typography - Weights */
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Spacing */
    --space-xs: 0.25rem;     /* 4px */
    --space-sm: 0.5rem;      /* 8px */
    --space-md: 1rem;        /* 16px */
    --space-lg: 1.5rem;      /* 24px */
    --space-xl: 2rem;        /* 32px */
    --space-2xl: 3rem;       /* 48px */
    --space-3xl: 4rem;       /* 64px */
    --space-4xl: 6rem;       /* 96px */

    /* Container */
    --container-max: 1200px;
    --content-max: 800px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.15);
    --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Breakpoints (for reference in media queries) */
    --breakpoint-mobile: 640px;
    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1024px;
    --breakpoint-wide: 1280px;
}