#uncertainty {

  --e6-w: min(100%, 64rem);
}

#uncertainty h2,
.e6 {
  width: var(--e6-w);
  margin-inline: auto;
}

.e6 {
  margin-bottom: 1.5rem;
}

.e6-controls {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem 2rem;
  align-items: end;
  margin-bottom: 1rem;
}

.e6-ctl {
  min-width: 0;
}

.e6-ctl-label {
  display: block;
  margin-bottom: 0.4rem;
}

.e6-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.e6-chip {
  min-width: 1.9rem;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.28rem 0.38rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.1;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.e6-chip:hover { color: var(--text); border-color: var(--accent-dim); }

.e6-chip.is-on {
  color: var(--bg);
  background: var(--text);
  border-color: var(--text);
}

.e6-chip:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

.e6-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;

  gap: 0.4rem;
}

.e6-control label,
.e6-readout,
.e6-ctl-label,
.e6-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.e6-control label,
.e6-ctl-label,
.e6-label {
  color: var(--faint);
}

.e6-readout {

  min-width: 3.3rem;
  color: var(--text);
  text-align: right;
}

.e6-slider {
  display: block;
  width: 100%;
  min-width: 0;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 3px;
  background: var(--line);
  cursor: pointer;
}

.e6-slider:disabled {
  opacity: 0.4;
  cursor: default;
}

.e6-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--line);
  cursor: grab;
}

.e6-slider::-moz-range-thumb {
  width: 13px;
  height: 13px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg);
  cursor: grab;
}

.e6-slider:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 4px;
}

.e6-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.e6-panel {
  min-width: 0;
}

.e6-label {
  display: block;
  margin-bottom: 0.4rem;
}

.e6-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 10 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #000;
  line-height: 0;
}

.e6-frame img,
.e6-frame canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 0;
  object-fit: cover;
}

.e6-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--surface);
  color: var(--faint);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.e6.is-ready .e6-loading {
  display: none;
}

.e6.is-failed .e6-loading {
  font-size: 0;
}

.e6.is-failed .e6-loading::after {
  content: "could not load posterior samples";
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  #uncertainty {
    --e6-w: min(100%, 44rem);
  }

  .e6-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  .e6-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  #uncertainty {
    --e6-w: 100%;
  }

  .e6-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}