:root {
    --vrb-color-bg: #ffffff;
    --vrb-color-bg-alt: #f8f8f8;
    --vrb-color-surface: #ffffff;
    --vrb-color-border: #e5e5e5;
    --vrb-color-border-active: #c9a84c;
    --vrb-color-text: #1a1a2e;
    --vrb-color-text-secondary: #6b7280;
    --vrb-color-text-muted: #9ca3af;
    --vrb-color-accent: #c9a84c;
    --vrb-color-accent-hover: #b8963a;
    --vrb-color-accent-light: #f5f0e0;
    --vrb-color-error: #dc2626;
    --vrb-color-error-bg: #fef2f2;
    --vrb-color-success: #16a34a;
    --vrb-color-success-bg: #f0fdf4;
    --vrb-color-dark: #1a1a2e;
    --vrb-color-dark-hover: #2d2d44;
    --vrb-color-skeleton: #e5e7eb;
    --vrb-color-skeleton-shine: #f3f4f6;

    --vrb-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --vrb-font-heading: 'Georgia', 'Times New Roman', serif;
    --vrb-font-size-xs: 0.75rem;
    --vrb-font-size-sm: 0.875rem;
    --vrb-font-size-base: 1rem;
    --vrb-font-size-lg: 1.125rem;
    --vrb-font-size-xl: 1.25rem;
    --vrb-font-size-2xl: 1.5rem;
    --vrb-font-size-3xl: 1.875rem;
    --vrb-font-size-4xl: 2.25rem;

    --vrb-space-xs: 0.25rem;
    --vrb-space-sm: 0.5rem;
    --vrb-space-md: 1rem;
    --vrb-space-lg: 1.5rem;
    --vrb-space-xl: 2rem;
    --vrb-space-2xl: 3rem;
    --vrb-space-3xl: 4rem;

    --vrb-radius-sm: 4px;
    --vrb-radius-md: 8px;
    --vrb-radius-lg: 12px;
    --vrb-radius-xl: 16px;
    --vrb-radius-full: 9999px;

    --vrb-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --vrb-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --vrb-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);

    --vrb-transition-fast: 150ms ease;
    --vrb-transition-base: 250ms ease;
    --vrb-transition-slow: 350ms ease;

    --vrb-container-max: 1100px;
    --vrb-sidebar-width: 360px;

    --vrb-z-dropdown: 50;
    --vrb-z-sticky: 100;
    --vrb-z-modal: 200;
    --vrb-z-overlay: 300;
}