:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#08080f;color:#f4f4f5}*{box-sizing:border-box}body{margin:0;min-height:100vh}.app{max-width:720px;margin:0 auto;padding:3rem 1.5rem}.eyebrow{margin:0 0 .5rem;color:#06b6d4;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}h1{margin:0 0 .75rem;font-size:2.5rem}.lede{margin:0 0 2rem;color:#a1a1aa;line-height:1.6}.panel{padding:1.25rem;border:1px solid rgba(255,255,255,.08);border-radius:.75rem;background:#12121cb8}.panel h2{margin:0 0 1rem;font-size:1rem}pre{margin:0;overflow-x:auto;font-size:.9rem}.error{color:#f87171}