:root { color-scheme: dark; --bg:#05060c; --panel:#111423; --accent:#8c7dff; --muted:#9da1bd; --text:#f3f5ff; }
body{ margin:0; background: radial-gradient(circle at top, #11172c, #05060c 70%); color:var(--text); font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif; line-height:1.65; }
main{ max-width:1100px; margin:0 auto; padding:2rem 1.25rem 4rem; }
.paper-shell{ background:var(--panel); border-radius:28px; border:1px solid rgba(140,125,255,.2); padding:3rem; box-shadow:0 25px 60px rgba(0,0,0,.45); }
a{ color:var(--accent); }
code, pre{ background: rgba(5,6,12,0.6); border:1px solid rgba(255,255,255,0.08); border-radius:12px; }
pre{ padding:1rem; overflow:auto; }