/* v16.42 long-read UX: progressive enhancement; no content hidden. */
.lu-readmeta{display:flex;gap:.55rem;flex-wrap:wrap;align-items:center;margin:.7rem 0 1.1rem;font:600 .68rem/1.4 "IBM Plex Mono",monospace;letter-spacing:.035em;color:var(--muted,#657069)}
.lu-readmeta span{display:inline-flex;align-items:center;padding:.32rem .55rem;border:1px solid var(--line,#d7d0c4);border-radius:999px;background:rgba(255,255,255,.42)}
.lu-onpage{max-width:760px;margin:1rem auto 2rem;border:1px solid var(--line,#d7d0c4);border-radius:18px;background:rgba(255,255,255,.46);overflow:hidden}
.lu-onpage summary{cursor:pointer;padding:.9rem 1rem;font:700 .72rem/1.3 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;list-style:none}
.lu-onpage summary::-webkit-details-marker{display:none}.lu-onpage summary:after{content:" +";float:right}.lu-onpage[open] summary:after{content:" –"}
.lu-onpage nav{display:grid;grid-template-columns:1fr 1fr;gap:.2rem .9rem;padding:0 1rem 1rem}.lu-onpage a{font-size:.9rem;line-height:1.3;text-decoration:none;padding:.36rem 0;border-bottom:1px solid rgba(30,38,34,.08)}
@media(max-width:680px){.lu-onpage nav{grid-template-columns:1fr}.lu-readmeta{margin-top:.55rem}}