:root{--bg:#f6f5f1;--fg:#16141d;--mute:#5b5768;--accent:#7a3fd1;--rule:#dcd8e6}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d0a16;--fg:#efedf5;--mute:#a7a2b8;--accent:#c39bff;--rule:#2a2440}}
:root[data-theme="dark"]{--bg:#0d0a16;--fg:#efedf5;--mute:#a7a2b8;--accent:#c39bff;--rule:#2a2440}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:680px;margin:0 auto;padding:48px 16px 64px}
h1{font-size:2rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.15rem;margin:32px 0 8px}
p,li{color:var(--fg)}
.mute{color:var(--mute)}
a{color:var(--accent)}
hr{border:0;border-top:1px solid var(--rule);margin:32px 0}
footer{color:var(--mute);font-size:.9rem}