@layer base {
    :root {
        --color-ut-accent: 235 156 0;
        --color-bg-z0: 234 234 234;
        --color-bg-z1: 247 247 247;
        --color-fg-primary: 29 29 29;
        --color-fg-secondary: 91 91 91;
    }
    
    /* css If dark mode */
    @media (prefers-color-scheme: dark) {
        :root {
            --color-ut-accent: 235 156 0;
            --color-bg-z0: 29 29 29;
            --color-bg-z1: 51 51 51;
            --color-fg-primary: 234 234 234;
            --color-fg-secondary: 198 198 198;
        }
    }
}