:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:IBM Plex Sans,Segoe UI,sans-serif}*{box-sizing:border-box}body{color:#0f172a;background:linear-gradient(160deg,#f8fafc 0%,#eff6ff 100%);min-height:100vh;margin:0}main{max-width:960px;margin:0 auto;padding:3rem 1.5rem}