.panel-visualization-viewport {
  background: rgba(4, 11, 24, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.65rem;
  box-sizing: border-box;
  display: block;
  min-height: 0;
  overflow: auto;
  padding: 1rem;
}

.panel-visualization {
  margin: 0 auto;
  width: max-content;
}

.panel-visualization[aria-busy='true'] {
  opacity: 0.55;
}

.panel-visualization-empty {
  color: var(--muted, #b8c4df);
  font-size: 0.85rem;
  margin: 0;
  max-width: 24rem;
  text-align: center;
}

.panel-visual-square-grid {
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(var(--panel-column-count), 2rem);
}

.panel-visual-cell {
  box-sizing: border-box;
  cursor: pointer;
  transition:
    background-color 120ms ease,
    filter 120ms ease;
}

.panel-visual-square.is-available,
.panel-visual-triangle-shape.is-available {
  background: #f5c542;
  fill: #f5c542;
}

.panel-visual-square.is-unavailable,
.panel-visual-triangle-shape.is-unavailable {
  background: rgba(148, 163, 184, 0.14);
  fill: rgba(148, 163, 184, 0.14);
}

.panel-visual-square:hover,
.panel-visual-square:focus-visible {
  filter: brightness(1.22);
}

.panel-visual-square {
  border: 1px solid rgba(226, 232, 240, 0.65);
  border-radius: 0.2rem;
  height: 2rem;
  margin: 0;
  padding: 0;
  width: 2rem;
}

.panel-visual-square:focus-visible {
  outline: 3px solid #60a5fa;
  outline-offset: 2px;
  position: relative;
  z-index: 1;
}

.panel-visual-square:disabled,
.panel-visual-triangle-hit-target:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.panel-visual-square:disabled:hover {
  background: #f5c542;
  box-shadow: none;
  transform: none;
}

.panel-visual-triangle-grid {
  position: relative;
}

.panel-visual-triangle-drawing {
  display: block;
  height: 100%;
  pointer-events: none;
  width: 100%;
}

.panel-visual-triangle-shape {
  pointer-events: none;
  stroke: rgba(226, 232, 240, 0.8);
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
}

.panel-visual-triangle-shape.is-locked {
  opacity: 0.7;
}

.panel-visual-triangle-hit-target {
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  margin: 0;
  padding: 0;
  position: absolute;
  transform: none;
  -webkit-tap-highlight-color: transparent;
}

.panel-visual-triangle-hit-target.is-upward {
  clip-path: polygon(50% 0, 0 100%, 100% 100%);
}

.panel-visual-triangle-hit-target.is-downward {
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.panel-visual-triangle-hit-target:hover:not(:disabled),
.panel-visual-triangle-hit-target:focus-visible {
  background: rgba(96, 165, 250, 0.3);
  box-shadow: none;
  filter: drop-shadow(0 0 2px #60a5fa);
  transform: none;
}

.panel-visual-triangle-hit-target:focus {
  outline: none;
}

.panel-visual-triangle-hit-target:active:not(:disabled) {
  background: rgba(96, 165, 250, 0.45);
  transform: none;
}

.panel-visual-triangle-hit-target:disabled:hover {
  background: transparent;
  box-shadow: none;
  filter: none;
  transform: none;
}