:root {
    --color-primary: #8f90ff;
    --color-primary-hover: #7a7bef;
    --color-primary-subtle: #f0f0ff;

    --color-bg: #ffffff;
    --color-bg-offset: #fafafa;
    --color-surface: #ffffff;
    --color-border: #e5e5e5;
    --color-border-light: #f5f5f5;

    --color-text: #171717;
    --color-text-secondary: #525252;
    --color-text-muted: #a3a3a3;
    --color-text-inverse: #ffffff;

    --color-success: #16a34a;
    --color-warning: #ca8a04;
    --color-danger: #dc2626;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, Consolas, monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;

    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.6;

    --tracking-tight: -0.02em;
    --tracking-normal: 0;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

    --max-width: 1120px;
    --max-width-narrow: 560px;
    --max-width-wide: 1280px;

    --transition-fast: 120ms ease;
    --transition-base: 200ms ease;
}