/* Reading-room chrome owned by the reading room: the header row, the progress bar, the View menu, focus rings. */
.root :is(button, a, input, select, [tabindex]):focus-visible { outline: 2px solid var(--grease-amber); outline-offset: 2px; }

/* Header on the surround: quiet, light-on-dark. If the column is too narrow the page links (last item) wrap to a
   second line that is clipped, so the controls are never cut in half. */
.header {
  display: flex;
  align-items: center;
  column-gap: 10px;
  row-gap: 0;
  height: 50px;
  padding: 0 14px;
  color: #c9d1d8;
  border-bottom: 1px solid #2a2f34;
  font-size: var(--fs-1);
  flex-shrink: 0;
  white-space: nowrap;
  flex-wrap: wrap;
  align-content: flex-start;
  overflow: hidden;
}
/* The first item sets the row height; the wrap trick needs a 50px first line. */
.header > :first-child { height: 50px; display: inline-flex; align-items: center; }
.spacer { flex: 1; }
.navWrap { margin-left: 4px; }
:root[data-projector='1'] .navWrap { display: none; }

/* "Case 3 of 10" over a thin bar that is easy to see: light fill on a mid-grey track. */
.caseBlock { display: inline-flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 5px; font-variant-numeric: tabular-nums; color: #f3f5f6; }
.caseText { line-height: 1; }
.progress { display: block; height: 5px; min-width: 84px; border-radius: 3px; background: #4a535c; box-shadow: 0 0 0 1px #5d6770; overflow: hidden; }
.progress span { display: block; height: 100%; min-width: 3px; background: #f3f5f6; border-radius: 3px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid #4a535c;
  border-radius: 999px;
  background: transparent;
  color: #c9d1d8;
  cursor: pointer;
  font-size: var(--fs-1);
}
.btn:hover { border-color: var(--graticule); color: #fff; }
.btnOn { background: #e6ebef; color: #111; border-color: #e6ebef; }
.kbd { display: inline-block; padding: 0 5px; border: 1px solid #4a535c; border-radius: 3px; font: inherit; font-size: 12px; line-height: 16px; }
.caret { font-size: 10px; opacity: 0.8; }

/* View menu: fixed, so the header's clipping does not cut it. */
.menu {
  position: fixed;
  z-index: 45;
  min-width: 250px;
  padding: 6px;
  border-radius: var(--radius);
  background: var(--report-paper);
  color: var(--report-ink);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
  border: 1px solid #0d0f11;
}
.menuItem {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 4px;
  background: none;
  color: var(--report-ink);
  text-align: left;
  cursor: pointer;
  font-size: var(--fs-1);
}
.menuItem:hover { background: #e3e8ec; }
.menuItem:focus-visible { outline: 2px solid #9a6200 !important; outline-offset: -2px !important; }
.menuNote { font-size: 13px; color: var(--report-ink-muted); white-space: normal; }
.center { display: grid; place-items: center; color: #c9d1d8; text-align: center; padding: 24px; }
.center a { color: #c9d1d8; }
.provenance { margin-left: 4px; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 1100px) { .provenance { display: none; } }