:root{--color-surface: oklch(98% 0 0);--color-text: oklch(18% 0 0);--color-error: oklch(55% .2 25)}body{margin:0;background:var(--color-surface);color:var(--color-text);font-family:system-ui,-apple-system,sans-serif}.app{max-width:40rem;margin:0 auto;padding:clamp(2rem,1rem + 5vw,6rem) 1.5rem}.app h1{font-size:clamp(2rem,1rem + 4vw,3.5rem);letter-spacing:-.02em}.error{color:var(--color-error)}