/* Reading room grid (SPEC §14.2): viewer ≈ 68%, rail ≥ 360 px. */
.room {
  display: grid;
  grid-template-columns: minmax(0, 68fr) minmax(var(--rail-min), 32fr);
  height: 100vh;
  overflow: hidden;
}
.viewerCol { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--pacs-surround); }
.viewerWrap { position: relative; flex: 1; min-height: 0; }
.rail {
  overflow-y: auto;
  padding: 0 22px;
  background: var(--report-paper);
  display: flex;
  flex-direction: column;
  border-left: 1px solid #0d0f11;
}
.railBody { flex: 1; display: flex; flex-direction: column; }

/* Header sits on the surround: quiet, light-on-dark. */
.header {
  display: flex;
  align-items: center;
  column-gap: 14px;
  row-gap: 0;
  height: 50px;
  padding: 0 16px;
  color: #c9d1d8;
  border-bottom: 1px solid #2a2f34;
  font-size: var(--fs-1);
  flex-shrink: 0;
  white-space: nowrap;
  /* When the column is too narrow, the nav (last, one flex item) wraps to a second line that is clipped: the
     controls never get cut in half. The brand still links to the start page. */
  flex-wrap: wrap;
  align-content: flex-start;
  overflow: hidden;
}
.header > .brand { height: 50px; display: inline-flex; align-items: center; gap: 8px; }
/* Projector mode: big type needs the room; the page links stay on paper pages. */
:root[data-projector='1'] .header .nav { display: none; }
.brand { font-weight: 700; color: #f3f5f6; text-decoration: none; letter-spacing: 0.01em; font-size: var(--fs-2); }
.mode { color: #f3f5f6; font-weight: 700; }
.caseIdx { font-variant-numeric: tabular-nums; display: inline-flex; align-items: center; gap: 10px; }
.progress { display: inline-block; width: 72px; height: 4px; border-radius: 2px; background: #3a4148; overflow: hidden; }
.progress span { display: block; height: 100%; background: #c9d1d8; }
.kbdHead { display: inline-block; padding: 0 5px; border: 1px solid #4a535c; border-radius: 3px; font: inherit; font-size: 12px; line-height: 16px; }
.spacer { flex: 1; }
.synthetic {
  padding: 2px 8px;
  border: 1px dashed #6b7680;
  border-radius: 4px;
  color: #c9d1d8;
  font-size: 13px;
}
.toggle {
  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);
}
.toggle:hover { border-color: var(--graticule); }
.toggleOn { background: #e6ebef; color: #111; border-color: #e6ebef; }
/* State is the dot: a hollow ring is off, a filled amber dot is on (plus the filled pill and aria-pressed). */
.dot { width: 8px; height: 8px; border-radius: 50%; background: transparent; box-shadow: inset 0 0 0 1.5px currentColor; opacity: 0.75; flex-shrink: 0; }
.toggleOn .dot { opacity: 1; background: var(--grease-amber); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35); }
.nav { display: flex; gap: 14px; }
.nav a { color: #c9d1d8; text-decoration: none; }
.nav a:hover { color: #fff; text-decoration: underline; }

.footer {
  font-size: 14px;
  color: var(--report-ink-muted);
  padding: 10px 0 14px;
  border-top: 1px solid var(--report-rule);
}

/* Paper pages (onboarding, about, summaries): a single report column. */
.page { min-height: 100vh; display: flex; flex-direction: column; background: var(--report-paper); }
.pageHeader {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 24px;
  height: 54px;
  border-bottom: 1px solid var(--report-rule);
}
.pageHeader .brand { color: var(--report-ink); display: inline-flex; align-items: center; gap: 9px; }
.brandMark { flex-shrink: 0; }
.pageHeader .nav a { color: var(--report-ink-muted); }
.pageHeader .nav a:hover { color: var(--report-ink); }
.pageHeader .nav a[aria-current='page'] { color: var(--report-ink); font-weight: 700; }
.pageMain { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 32px 24px 48px; }
.pageFooterWrap { max-width: 760px; width: 100%; margin: 0 auto; padding: 0 24px; }
.pageFooter { padding: 12px 0 20px; border-top: 1px solid var(--report-rule); color: var(--report-ink-muted); font-size: 14px; }
.pageHeader .synthetic { color: var(--report-ink-muted); border-color: #9aa5af; }

/* Narrow screens (landing and About only reach here): the header nav wraps under the brand. */
@media (max-width: 899.98px) {
  .pageHeader { height: auto; min-height: 54px; flex-wrap: wrap; padding: 10px 16px; gap: 8px 14px; }
  .pageHeader .spacer { display: none; }
  .pageHeader .nav { flex-wrap: wrap; gap: 6px 14px; width: 100%; }
  .pageMain { padding: 24px 16px 40px; }
  .pageFooterWrap { padding: 0 16px; }
}