/* The only viewer of these two apps is a projector: they run in an iframe on a
   1920x1080 slide, at 1:1 with the deck's canvas. So the whole page is sized up
   from a laptop's defaults - everything below is in rem, and this is the one
   number that scales it. */
html {
  font-size: 26px;
}

body {
  margin: 0;
  padding: 0;
  background: #fff;
  font-family: system-ui, sans-serif;
  color: #1a1a1a;
}

.layout {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  /* Left-aligned and full-width, not a centred 60rem block: on the deck's
     1920px slide that left ~400px of white beside the sidebar that nothing
     collapses, and shrank the chart to something unreadable from the back. */
  margin: 1rem 0;
  padding: 0 1.5rem;
}

.sidebar {
  flex: 1 1 12rem;
  align-self: start;
  padding: 1rem;
  background: #f5f5f5;
  border-radius: 8px;
}

.sidebar label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

/* A range input's thumb is a fixed ~16px whatever the font size, so it is
   scaled rather than sized; 2/3 width at 1.5x lands back on the full width. */
.sidebar input[type="range"] {
  width: 66.7%;
  transform: scale(1.5);
  transform-origin: left center;
}

.bin-count-value {
  display: block;
  margin-top: 1rem;
  font-size: 1.3rem;
  font-variant-numeric: tabular-nums;
  color: #666;
}

.panel {
  flex: 3 1 24rem;
}

/* The chart is width-driven (viewBox 620x320, `width: 100%`), so this cap is
   what keeps it inside the slide's height once the heading is above it. */
.panel svg {
  max-width: 1200px;
}

.panel h1 {
  margin: 0;
  font-size: 1.6rem;
}

.placeholder {
  display: grid;
  place-items: center;
  height: 20rem;
  border-radius: 8px;
  background: #f5f5f5;
  color: #888;
}

.recalculating {
  opacity: 0.6;
  transition: opacity 200ms;
}