/* The revealjs "black" theme background is dark grey, not true black,
   which looks mismatched against the figures' pure black panel
   background. Force true black everywhere. */
.reveal,
.reveal-viewport,
.reveal .slides,
.reveal .slides section,
.reveal .backgrounds,
.reveal .slide-background {
  background-color: #000 !important;
}

/* Make code input and printed R output the same, large font size so both
   are readable from the back of a room during live workshops. Reveal's
   defaults shrink .cell-output much more than code blocks; override both
   to a single shared size instead of relying on relative (em) scaling.
   Printed R tables (e.g. summary() coefficient matrices) rely on fixed-
   width alignment, so wrapping at the large font size breaks columns;
   force no-wrap with horizontal scroll instead. */
.reveal div.sourceCode pre,
.reveal div.sourceCode pre code,
.reveal .cell-output pre,
.reveal .cell-output-stdout pre,
.reveal .cell-output pre code {
  font-size: 28px;
  line-height: 1.3;
  white-space: pre !important;
  overflow-x: auto;
}

/* On slides that also show a figure, the code is collapsed by default
   (via `#| code-fold: true` on the chunk) so the plot gets nearly the
   full slide. When expanded, cap and shrink the code so it doesn't push
   the figure off-slide. Add class="fig-slide" to the slide heading
   (e.g. `## Title {.fig-slide}`) for any slide whose code chunk produces
   a plot. */
.reveal .slide.fig-slide div.sourceCode pre,
.reveal .slide.fig-slide div.sourceCode pre code {
  font-size: 16px;
  line-height: 1.15;
}

.reveal .slide.fig-slide details[class="code-fold"] {
  max-height: 30vh;
  overflow-y: auto;
}

.reveal .slide.fig-slide .cell-output-display {
  display: flex;
  justify-content: center;
}

.reveal .slide.fig-slide .cell-output-display img {
  max-height: 70vh;
  width: auto;
  max-width: 100%;
}