.plot-lab-page .site-shell {
  gap: 20px;
}

.lab-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.controls-panel,
.plot-panel {
  min-width: 0;
}

.controls-panel {
  position: sticky;
  top: 18px;
}

.lab-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.lab-heading .section-title {
  margin: 0;
}

.plot-note {
  margin: 0;
  color: var(--muted);
}

.control-block {
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.control-block:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.control-block + .control-block {
  margin-top: 16px;
}

.control-block h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.field-grid {
  display: grid;
  gap: 12px;
}

.field-row,
.range-row {
  display: grid;
  gap: 6px;
}

.field-row span,
.range-row span {
  font-weight: 700;
}

.field-row select,
.field-row input[type='color'],
.range-row input[type='range'] {
  width: 100%;
}

.field-row select,
.field-row input[type='color'] {
  min-height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  padding: 9px 12px;
  font: inherit;
  color: var(--text);
}

.field-row input[type='color'] {
  padding: 4px;
}

.range-row output {
  justify-self: end;
  color: var(--accent);
  font-weight: 700;
}

.range-row input[type='range'] {
  accent-color: var(--accent);
}

.toggle-grid {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.toggle-grid label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 600;
}

.toggle-grid input {
  margin-top: 0.18rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.button-row-tight {
  margin-top: 10px;
}

.button-inline {
  appearance: none;
  border: 1px solid rgba(107, 61, 240, 0.2);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  font: inherit;
}

.button-inline:hover {
  text-decoration: none;
}

.selection-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.selection-list div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
}

.selection-list dt {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.selection-list dd {
  margin: 0;
  font-weight: 600;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.legend-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.legend-mark {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 18px;
  margin-top: 2px;
}

.legend-fill {
  width: 24px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
}

.legend-line {
  width: 24px;
  height: 0;
  border-top: 3px solid var(--accent);
}

.legend-dashed {
  border-top-style: dashed;
}

.legend-item strong,
.legend-item span {
  display: block;
}

.legend-item span {
  color: var(--muted);
}

.meta-list {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.meta-line {
  color: var(--text);
}

.meta-line strong {
  margin-right: 6px;
}

.plot-shell,
.guide-figure-shell {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-strong);
  overflow: hidden;
}

.plot-shell {
  padding: 12px;
}

.guide-figure-shell {
  padding: 18px 20px;
  display: flex;
  justify-content: center;
}

.plot-panel {
  display: grid;
  gap: 14px;
}

#peer-plot-svg,
#guide-plot-image {
  display: block;
  width: 100%;
  height: auto;
}

#guide-plot-image {
  max-width: 1100px;
}

.guide-shell {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.guide-copy h3 {
  margin: 0 0 8px;
}

.guide-copy p {
  margin: 0 0 12px;
}

.guide-list {
  margin-bottom: 18px;
}

.status-note {
  padding: 14px 16px;
  border: 1px solid rgba(176, 0, 32, 0.15);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--danger);
}

.plot-panel .empty-state {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--muted);
}

@media (max-width: 1040px) {
  .lab-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .controls-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .legend-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .selection-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}