/* Landscape: explicit left/right sheets. Portrait layout is untouched. */
.book-stage{display:contents}
.book-rail{display:none}
.book-folio{
  position:fixed;z-index:45;left:50%;bottom:22px;transform:translateX(-50%);
  font-family:var(--sans);font-size:12px;letter-spacing:.4px;color:var(--text2);
  background:rgba(253,252,250,.94);border:1px solid var(--stroke);border-radius:999px;
  padding:6px 14px;opacity:0;pointer-events:none;transition:opacity .35s ease;
  box-shadow:0 8px 24px -14px rgba(36,29,16,.35)
}
.book-folio.on{opacity:1}
.book-switch{
  position:fixed;z-index:40;right:18px;bottom:28px;
  display:flex;align-items:center;gap:0;
  background:rgba(253,252,250,.94);border:1px solid var(--stroke);
  border-radius:999px;box-shadow:0 10px 28px -16px rgba(36,29,16,.35);
  font-family:var(--sans);font-size:12.5px;overflow:hidden
}
.book-switch button{
  appearance:none;border:0;background:transparent;color:var(--text3);
  font:inherit;padding:8px 13px;cursor:pointer;letter-spacing:.2px
}
.book-switch button[aria-pressed="true"]{background:var(--text);color:#f7f6f3}
.book-switch button:hover{color:var(--text)}
.book-switch button[aria-pressed="true"]:hover{color:#f7f6f3}

html.book-mode,html.book-mode body{
  height:100%;overflow:hidden;overscroll-behavior:none
}
html.book-mode{overflow:hidden}
html.book-mode .reveal{opacity:1;transform:none;transition:none}
html.book-mode .book-stage{
  display:block;position:fixed;z-index:1;
  top:var(--book-top,56px);left:0;right:0;bottom:0;
  overflow-x:auto;overflow-y:hidden;
  overscroll-behavior:contain;
  background:var(--bg);
  min-height:0;
  scrollbar-width:thin;
  scrollbar-color:rgba(36,29,16,.40) transparent
}
html.book-mode .book-stage::-webkit-scrollbar{height:10px;width:0}
html.book-mode .book-stage::-webkit-scrollbar-track{background:transparent}
html.book-mode .book-stage::-webkit-scrollbar-thumb{
  background:rgba(36,29,16,.32);border-radius:99px;border:2px solid transparent;background-clip:content-box
}

/* No inner vertical bars anywhere in landscape */
html.book-mode .book-page,
html.book-mode .book-page-body,
html.book-mode .book-fit,
html.book-mode .card,
html.book-mode .card .bd,
html.book-mode .callout,
html.book-mode .table-scroll,
html.book-mode .chart-wrap,
html.book-mode .steps,
html.book-mode .tiles{
  overflow-y:hidden !important;
  scrollbar-width:none
}
html.book-mode .table-scroll{overflow-x:auto;overflow-y:hidden !important;scrollbar-width:thin}
html.book-mode .book-page ::-webkit-scrollbar:vertical{width:0 !important;height:0 !important;display:none !important}

html.book-mode .book-rail{
  display:flex;flex-direction:row;align-items:stretch;gap:var(--book-gap,20px);
  height:100%;padding:16px 0 18px 20px;box-sizing:border-box;width:max-content
}
html.book-mode main{display:none}
html.book-mode .book-page{
  flex:0 0 var(--page-w,46vw);
  width:var(--page-w,46vw);
  height:100%;
  box-sizing:border-box;
  display:flex;flex-direction:column;
  background:rgba(253,252,250,.92);
  border:1px solid var(--stroke);
  padding:16px 20px 10px;
  overflow:hidden
}
html.book-mode .book-page-body{
  flex:1;min-height:0;overflow:hidden;position:relative
}
html.book-mode .book-fit{
  min-height:100%;
  display:flex;flex-direction:column;
  transform-origin:top left
}
html.book-mode .book-fit > .grid2,
html.book-mode .book-fit > .grid3,
html.book-mode .book-fit > .grid4,
html.book-mode .book-fit > .stats,
html.book-mode .book-fit > .steps,
html.book-mode .book-fit > .tiles,
html.book-mode .book-fit > .chip-fill,
html.book-mode .book-fit > .chart-wrap{
  flex:1 1 auto
}
html.book-mode .stat,html.book-mode .card,html.book-mode .callout{min-width:0}
html.book-mode .book-page-body p,
html.book-mode .stat .l{overflow-wrap:break-word}
html.book-mode .book-page-foot{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-top:8px;margin-top:8px;border-top:1px solid var(--stroke);
  font-size:11px;letter-spacing:.3px;color:var(--text3);flex-shrink:0
}
html.book-mode .book-page-foot b{font-weight:600;color:var(--text2);font-variant-numeric:tabular-nums}
html.book-mode .hero-frame{
  margin:0;padding:28px 26px 24px;height:100%;box-sizing:border-box;
  display:flex;flex-direction:column;justify-content:center;overflow:hidden
}
html.book-mode .hero-frame::after{inset:8px}
html.book-mode .hero-frame .hero-mark{height:72px;margin-bottom:10px}
html.book-mode .hero-frame h1{font-size:clamp(26px,2.6vw,38px);letter-spacing:-1px;margin:8px auto 12px}
html.book-mode .hero-frame p.sub{font-size:15.5px !important;line-height:1.5;margin-bottom:16px;max-width:none}
html.book-mode .kicker{margin-top:0;margin-bottom:8px;align-items:center;flex:0 0 auto}
html.book-mode .kicker .num{
  font-family:var(--sans) !important;font-size:12px !important;font-weight:700 !important;
  line-height:1 !important;opacity:1 !important;color:var(--accent) !important;letter-spacing:1.4px !important
}
html.book-mode .kicker .k{font-size:11px}
html.book-mode h2{font-size:22px;margin:2px 0 8px;flex:0 0 auto}
html.book-mode h3{font-size:15px;margin:6px 0 8px;flex:0 0 auto}
html.book-mode p{font-size:14.5px;line-height:1.5;margin:0 0 8px}
html.book-mode .note{font-size:12px;line-height:1.4;margin:0 0 8px}
html.book-mode .stats{grid-template-columns:1fr 1fr;gap:8px;margin:0;align-content:stretch}
html.book-mode .stat{padding:10px 12px}
html.book-mode .stat .v{font-size:20px}
html.book-mode .stat .l{font-size:11px;line-height:1.35}
html.book-mode .stats .stat:nth-child(1){grid-column:span 2;grid-row:auto}
html.book-mode .stats .stat:nth-child(1) .v{font-size:36px}
html.book-mode .stats .stat:nth-child(6),
html.book-mode .stats .stat:nth-child(7){grid-column:span 1}
html.book-mode .chip-fill{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
html.book-mode .chip-fill span.b{padding:7px 6px;font-size:12px}
html.book-mode .grid2{grid-template-columns:1fr 1fr;gap:10px;align-items:stretch;min-height:0}
html.book-mode .grid3,html.book-mode .grid4{grid-template-columns:1fr 1fr;gap:10px;min-height:0}
html.book-mode .grid2 > .card,
html.book-mode .grid3 > .card,
html.book-mode .grid4 > .card{
  display:flex;flex-direction:column;min-height:0;overflow:hidden
}
html.book-mode .card .hd{padding:8px 12px;font-size:12px}
html.book-mode .card .bd{padding:10px 12px;font-size:12.5px;line-height:1.42;flex:1;overflow:hidden !important}
html.book-mode .card .bd p{font-size:12.5px;line-height:1.42;margin:0 0 6px}
html.book-mode .steps{margin:4px 0 0}
html.book-mode .steps li{padding:0 0 8px 20px}
html.book-mode .steps li b{font-size:13px}
html.book-mode .steps li span{font-size:12px;line-height:1.4}
html.book-mode .tiles{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:4px 0}
html.book-mode .tile{padding:10px 10px}
html.book-mode .chart-wrap{padding:10px 12px;margin:4px 0;min-height:0;display:flex;flex-direction:column}
html.book-mode .chart-wrap canvas{height:170px;max-height:190px;width:100% !important;flex:1 1 auto}
html.book-mode .chart-wrap .note{margin-top:6px;margin-bottom:0}
html.book-mode .pullquote{font-size:18px;margin:10px 0}
html.book-mode .callout{padding:12px 14px;margin:8px 0}
html.book-mode .table-scroll{margin:8px 0}
html.book-mode table{font-size:12px}
html.book-mode .page-progress{top:var(--book-top,56px)}
html.book-mode .book-switch{bottom:28px}
@media (max-width:820px){
  html.book-mode .book-rail{padding-left:16px}
  html.book-mode .book-page{padding:14px 14px 10px}
  html.book-mode .chip-fill{grid-template-columns:repeat(3,minmax(0,1fr))}
  html.book-mode .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media print{
  .book-switch,.book-folio{display:none !important}
  html.book-mode,html.book-mode body{height:auto;overflow:visible;position:static}
  html.book-mode .book-stage{position:static;overflow:visible}
  html.book-mode main{display:block}
  html.book-mode .book-rail{display:none}
}