.workshop-main {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
  min-height: calc(100vh - 78px);
}
.workshop-model {
  display: flex;
  min-width: 0;
  flex-direction: column;
}
.workshop-toolbar,
.workshop-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}
.workshop-toolbar select {
  margin-left: 10px;
}
.workshop-toolbar button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
}
.workshop-canvas {
  flex: 1;
  min-height: 440px;
  position: relative;
}
.workshop-canvas canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  display: block;
  cursor: grab;
  touch-action: none;
}
.workshop-canvas canvas:active {
  cursor: grabbing;
}
.workshop-actions {
  border-top: 1px solid var(--line);
  font-size: 12px;
}
.workshop-actions > span {
  color: var(--muted);
}
.workshop-actions a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.workshop-reference {
  border-left: 1px solid var(--line);
  padding: 28px;
  background: var(--panel);
}
.workshop-reference h1 {
  font-size: 28px;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}
.workshop-reference p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}
.workshop-reference img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
}
.workshop-reference img[hidden] {
  display: none;
}
@media (max-width: 780px) {
  .workshop-main {
    display: block;
  }
  .workshop-canvas {
    min-height: 380px;
  }
  .workshop-reference {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .workshop-toolbar,
  .workshop-actions {
    padding: 16px;
  }
}

.workshop-action-preview {
  border-bottom: 1px solid var(--line);
  padding: 12px 24px;
  background: var(--panel);
}
.workshop-action-preview[hidden] {
  display: none;
}
.action-preview-header {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.action-preview-header label {
  font-size: 12px;
}
.action-preview-header select {
  margin-left: 8px;
}
.workshop-action-preview p {
  color: var(--muted);
  font-size: 11px;
  margin: 8px 0;
}
.action-sliders {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}
.action-sliders label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  min-width: 150px;
  flex: 1;
  font-size: 12px;
}
.action-sliders input {
  width: 100%;
  grid-column: 1 / -1;
  accent-color: var(--accent);
}
.action-sliders output {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
#action-guide-readout {
  display: block;
  font-size: 12px;
  color: var(--accent);
  margin-top: 10px;
}
#action-guide-readout[hidden] {
  display: none;
}