:root {
    --color-bg: #F8FAFC;
    --color-bg-dark: #0F172A;
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-secondary: #10B981;
    --color-accent: #F59E0B;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-card-bg: #FFFFFF;
    --color-danger: #EF4444;
    --font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-size-base: 16px;
    --line-height-body: 1.7;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --shadow-primary: 0 4px 14px rgba(59,130,246,0.35);
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --container-max: 1280px;
    --sidebar-width: 260px;
    --header-height: 70px;
    --z-header: 50;
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}