:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f8f9fb;color:#0f172a}body{margin:0;padding:0}main{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem}