.reveal a:is(.explore-pdf,.explore-image) { display:inline-block; padding:.2em .65em; border:1px solid currentColor; border-radius:4px; }
.pdf-tour {
  box-sizing:border-box;
  width:100vw;
  height:100dvh;
  max-width:none;
  max-height:none;
  margin:0;
  padding:0;
  border:0;
  background:var(--paper);
  color:var(--ink);
  font:16px/1.3 var(--r-main-font);
}
.pdf-tour[open] { display:flex; flex-direction:column; }
.pdf-tour::backdrop { background:#19242a; }
/* Floating controls leave the entire viewport available to the document. */
.pdf-controls { position:absolute; top:clamp(8px,.833vw,16px); right:clamp(8px,.833vw,16px); z-index:10; display:flex; align-items:center; gap:4px; padding:6px; border:1px solid var(--rule); border-radius:8px; background:var(--paper); box-shadow:0 2px 8px #0002; }
.pdf-toolbar { display:flex; align-items:center; gap:2px; }
.pdf-toolbar[hidden] { display:none; }
.pdf-controls button,.pdf-controls a { display:flex; align-items:center; justify-content:center; box-sizing:border-box; height:clamp(32px,3.125vw,60px); min-width:clamp(32px,3.125vw,60px); padding:0 10px; border:0; border-radius:4px; background:transparent; color:inherit; font:clamp(20px,1.875vw,36px)/1 var(--r-main-font); text-decoration:none; cursor:pointer; }
.pdf-controls [data-pdf-action="fit"],.pdf-controls #pdf-zoom { font-size:clamp(14px,1.25vw,24px); }
.pdf-controls #pdf-zoom { min-width:clamp(50px,4.375vw,84px); font-variant-numeric:tabular-nums; }
.pdf-controls button:hover,.pdf-controls a:hover { background:#e8e7df; }
.pdf-controls button:disabled { opacity:.4; cursor:wait; }
.pdf-controls :focus-visible,.pdf-scroll:focus-visible { outline:2px solid var(--accent); outline-offset:-2px; }
.pdf-controls:has(.pdf-toolbar[hidden]) { border-color:transparent; box-shadow:none; opacity:.3; }
.pdf-controls:has(.pdf-toolbar[hidden]):is(:hover,:focus-within) { opacity:1; }
.pdf-stage { position:relative; flex:1; min-height:0; }
.pdf-scroll { position:absolute; inset:0; overflow:auto; overscroll-behavior:contain; scroll-behavior:smooth; cursor:grab; user-select:none; background:#d5d5d2; }
.pdf-scroll.dragging { cursor:grabbing; scroll-behavior:auto; }
.pdf-scroll .pdfViewer { padding:0; }
.pdf-status { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); background:var(--paper); padding:18px 26px; border-radius:6px; text-align:center; }
.pdf-status[hidden] { display:none; }
@media (prefers-reduced-motion:reduce) { .pdf-scroll { scroll-behavior:auto; } }
@media print { .pdf-tour { display:none!important; } }

/* Native image mode shares the PDF explorer's controls and scroll surface. */
.pdf-scroll .pdfViewer[hidden],.explorer-image-stage[hidden] { display:none; }
.explorer-image-stage { display:grid; place-items:center; }
.explorer-image-stage img { display:block; max-width:none; max-height:none; margin:0; user-select:none; -webkit-user-drag:none; }