.jumprow {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.jumprow .eyebrow { flex: 1 1 auto; min-width: 0; }



.jumpbtn {
  flex: 0 0 auto;
  display: inline-flex; flex-direction: column; align-items: flex-start;
  gap: 2px; padding: 10px 20px; line-height: 1.25; text-align: left;
}
.jumpbtn .sub {
  font-family: var(--ph-sans); font-size: var(--ph-t-micro);
  letter-spacing: 0; text-transform: none;
  opacity: .82;
}



#install { scroll-margin-top: 24px; }
#install:focus { outline: none; }
#install:focus-visible { outline: 2px solid var(--ph-deep); outline-offset: 4px; }

@media (max-width: 640px) {
  .jumprow { gap: 12px; }
  .jumpbtn { width: 100%; align-items: center; text-align: center; }
}



.cover-purpose {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--pp-cover-line);
  display: flex; flex-direction: column; gap: 6px;
}
.cover-purpose .pv {
  color: var(--pp-cover-ink);
  font-size: var(--ph-t-h3); line-height: 1.4;
  max-width: 44ch; text-wrap: pretty;
}
.cover-purpose .pv::first-letter { text-transform: uppercase; }


.cover-purpose .src {
  font-family: var(--ph-mono); font-size: var(--ph-t-micro);
  letter-spacing: var(--ph-tr-micro); text-transform: uppercase;
  color: var(--pp-cover-ink); opacity: .72;
}



@media (max-width: 640px) {
  .page.cover { padding: 32px 24px; gap: 28px; }
  .cover-purpose .pv { font-size: var(--ph-t-body); }
}



.fieldnote {
  margin-top: 12px;
  font-size: var(--ph-t-micro); line-height: 1.6;
  color: var(--ph-mute); max-width: var(--ph-measure);
}



.mrzcap {
  margin-top: 12px;
  font-size: var(--ph-t-small); line-height: 1.6; color: var(--ph-mute);
}
.mrzkey { margin-top: 8px; }
.mrzkey > summary {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer; list-style: none;
  min-height: 44px;                      
  font-family: var(--ph-sans); font-size: var(--ph-t-micro);
  letter-spacing: 0; text-transform: none;
  color: var(--ph-deep);
}
.mrzkey > summary::-webkit-details-marker { display: none; }
.mrzkey > summary::before {
  content: ""; width: 7px; height: 7px; flex: 0 0 auto;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform .14s ease;
}
.mrzkey[open] > summary::before { transform: rotate(-135deg) translate(-1px, -1px); }
.mrzkey > summary:hover { color: var(--ph-tide); }
.mrzkey > summary:focus-visible { outline: 2px solid var(--ph-deep); outline-offset: 3px; }


.mrzkey .decode { margin-top: 8px; }

@media (prefers-reduced-motion: reduce) {
  .mrzkey > summary::before { transition: none; }
}



.reqs {
  margin-bottom: 24px; padding: 20px 24px;
  background: var(--ph-paper-deep);
  border: 1px solid var(--ph-line); border-radius: var(--ph-r-md);
  display: flex; flex-direction: column; gap: 16px;
}
.reqs-h {
  font-family: var(--ph-sans); font-size: var(--ph-t-micro);
  letter-spacing: 0; text-transform: none;
  color: var(--ph-mute);
}
.reqs-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(216px, 1fr));
  gap: 20px 32px;
}
.rq { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.rq .rl {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--ph-sans); font-size: var(--ph-t-micro);
  letter-spacing: 0; text-transform: none;
  line-height: 1.45; color: var(--ph-ink);
}


.rq .rl .c {
  flex: 0 0 auto; min-width: 1.4em;
  font-size: var(--ph-t-body); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.rq ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.rq li {
  font-size: var(--ph-t-small); line-height: 1.5; color: var(--ph-ink);
  padding-left: 14px; position: relative; overflow-wrap: anywhere;
}
.rq li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 6px; height: 1px; background: currentColor; opacity: .55;
}
.rq.req .rl .c { color: var(--ph-ink); }
.rq.opt .rl, .rq.opt li { color: var(--ph-mute); }
.rq.no  .rl { color: var(--pp-refused); }
.rq.no  li  { color: var(--ph-mute); text-decoration: line-through;
              text-decoration-color: var(--pp-refused); text-decoration-thickness: 1px; }
.reqs-note {
  font-size: var(--ph-t-small); line-height: 1.6;
  color: var(--ph-mute); max-width: 72ch;
}



.docnote {
  padding: 24px 32px 28px;
  border-top: 1px solid var(--ph-line);
  background: var(--ph-paper-deep);
}
.docnote .page-head { margin-bottom: 16px; }
.docnote .dn {
  font-size: var(--ph-t-small); line-height: 1.6;
  color: var(--ph-mute); max-width: 72ch;
}
.docnote thead th,
.docnote .scroll { background: var(--ph-paper-deep); }
.docnote .observations { margin-top: 20px; padding-top: 12px; }

@media (max-width: 640px) {
  .reqs { padding: 16px; }
  .docnote { padding: 24px 24px 24px; }
}