body { margin: 0; }
.lab-header { display: flex; justify-content: space-between; align-items: center; min-height: 76px; padding: 16px 28px; border-bottom: 1px solid var(--sim-line); gap: 16px; }
.lab-title, .lab-header-actions { display: flex; align-items: center; gap: 14px; min-width: 0; }
.lab-title a { color: var(--sim-ink-soft); text-decoration: none; }
.lab-title > span { color: var(--sim-ink-faint); }
.lab-title h1 { margin: 0; font-size: 21px; font-weight: 600; }
.lab-eyebrow { font: 10px/1.4 var(--sim-mono); letter-spacing: .09em; }
.lab-header-actions > .lab-eyebrow { color: var(--sim-ink-faint); }
.lab-workspace { display: grid; grid-template-columns: minmax(0,1fr) 318px; min-height: calc(100dvh - 76px); }
.lab-visual { min-width: 0; padding: 20px 24px; }
.lab-adapters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.lab-adapters [aria-pressed="true"], .lab-view-controls [aria-pressed="true"] { color: var(--sim-accent); border-color: var(--sim-accent-line); background: var(--sim-accent-soft); }
.lab-stage { position: relative; height: min(67dvh,740px); min-height: 390px; overflow: hidden; background: #080e16; color: #ecf2f6; border: 1px solid var(--sim-line); border-radius: var(--sim-radius); isolation: isolate; }
#display-canvas { display: block; width: 100%; height: 100%; touch-action: none; outline-offset: -4px; }
.lab-stage-heading { position: absolute; top: 24px; left: 24px; right: 145px; pointer-events: none; }
.lab-stage-heading .lab-eyebrow { color: #8eabae; }
.lab-stage-heading h2 { font: 500 28px/1.2 var(--sim-font); letter-spacing: -.02em; margin: 10px 0; }
.lab-stage-heading p { max-width: 400px; color: #a7b6c6; font-size: 12px; margin: 0; }
.lab-stage-state { position: absolute; top: 24px; right: 24px; display: grid; text-align: right; gap: 7px; font: 10px/1.4 var(--sim-mono); color: #a8bcb9; pointer-events: none; }
.lab-view-controls { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); display: flex; gap: 4px; padding: 4px; border: 1px solid #33424b; border-radius: var(--sim-radius); background: #101923f2; white-space: nowrap; }
.lab-view-controls .sim-action { color: #d4e3ec; background: #17232d; border-color: #34434c; }
.lab-view-controls .sim-action:hover { background: #243540; }
.lab-scale { position: absolute; bottom: 16px; left: 24px; right: 24px; display: flex; align-items: center; justify-content: space-between; font: 10px/1.3 var(--sim-mono); color: #8b9ca8; pointer-events: none; }
.lab-scale > span:first-child::before { content: ""; display: inline-block; width: 32px; height: 5px; border: solid #7a959a; border-width: 0 1px 1px; margin-right: 8px; }
.lab-metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; border-bottom: 1px solid var(--sim-line); padding: 22px 0; }
.lab-metric { min-width: 0; padding-right: 12px; border-right: 1px solid var(--sim-line); }
.lab-metric:last-child { border: 0; }
.lab-metric dt { font-size: 11px; color: var(--sim-ink-soft); margin-bottom: 8px; }
.lab-metric dd { font: 18px/1.3 var(--sim-mono); margin: 0; overflow-wrap: anywhere; }
.lab-metric small { color: var(--sim-ink-faint); font-size: 10px; }
.lab-metric dl { margin: 0; }
.lab-evidence { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 12px; color: var(--sim-ink-faint); font: 10px/1.5 var(--sim-mono); overflow-wrap: anywhere; }
.lab-inspector { min-width: 0; border-left: 1px solid var(--sim-line); padding: 8px 22px; }
.lab-section { padding: 22px 0; border-bottom: 1px solid var(--sim-line); }
.lab-section:last-child { border: 0; }
.lab-section h2 { margin: 0 0 14px; font-size: 14px; font-weight: 600; }
.lab-section > label { font-size: 11px; display: block; color: var(--sim-ink-soft); margin-bottom: 7px; }
.lab-section p { font-size: 12px; }
.lab-row { display: flex; gap: 6px; margin-top: 8px; }
.lab-row > * { flex: 1; }
.lab-caption { font-size: 11px !important; line-height: 1.55; color: var(--sim-ink-faint); }
.lab-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.lab-section-heading h2 { margin: 0; }
.lab-parameter { display: grid; grid-template-columns: 1fr auto; gap: 9px; margin-top: 22px; font-size: 11px; }
.lab-parameter label { color: var(--sim-ink-soft); }
.lab-parameter output { font-family: var(--sim-mono); }
.lab-parameter input { grid-column: 1/-1; width: 100%; min-height: 28px; margin: 0; accent-color: var(--sim-accent); cursor: pointer; }
.lab-section details { font-size: 11px; line-height: 1.6; }
.lab-section summary { min-height: 32px; cursor: pointer; color: var(--sim-ink-soft); }
.lab-section ul { margin: 8px 0 0; padding-left: 16px; color: var(--sim-ink-faint); }
.lab-section li + li { margin-top: 7px; }
#optical-canvas { display: block; width: 100%; aspect-ratio: 2; background: #080e16; border: 1px solid var(--sim-line); }
.lab-failure { position: absolute; inset: 33% 12% auto; padding: 24px; background: #18242fee; border: 1px solid #765c47; z-index: 3; }
.lab-failure h2 { font-size: 18px; }
.lab-failure p { font-size: 12px; overflow-wrap: anywhere; }
@media (min-width: 1600px) { .lab-workspace { grid-template-columns: minmax(0,1fr) 360px; } .lab-visual { padding: 26px 36px; } }
@media (max-width: 980px) { .lab-workspace { grid-template-columns: minmax(0,1fr) 280px; } .lab-visual { padding: 16px; } .lab-adapters { gap: 4px; } .lab-adapters .sim-action { font-size: 11px; } .lab-stage-heading { top: 18px; left: 18px; right: 110px; } .lab-stage-heading h2 { font-size: 23px; } .lab-metric dd { font-size: 15px; } .lab-inspector { padding: 0 16px; } }
@media (max-width: 760px) {
  .lab-header { min-height: 66px; padding: 12px 16px; gap: 8px; }
  .lab-title { gap: 9px; } .lab-title h1 { font-size: 17px; } .lab-title a { font-size: 12px; } .lab-header-actions > .lab-eyebrow { display: none; }
  .lab-workspace { display: block; } .lab-visual { padding: 12px; }
  .lab-adapters { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 10px; }
  .lab-adapters .sim-action { padding: 8px 5px; font-size: 11px; }
  .lab-stage { height: 58dvh; min-height: 390px; max-height: 580px; }
  .lab-stage-heading { top: 16px; left: 16px; right: 95px; } .lab-stage-heading h2 { font-size: 22px; } .lab-stage-heading p { font-size: 10px; }
  .lab-stage-heading .lab-eyebrow { font-size: 8px; } .lab-stage-state { top: 18px; right: 14px; font-size: 8px; }
  .lab-view-controls { width: max-content; max-width: calc(100% - 12px); bottom: 40px; gap: 3px; }
  .lab-view-controls .sim-action { font-size: 11px; padding: 8px; }
  .lab-scale { left: 16px; right: 16px; font-size: 9px; }
  .lab-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 16px 0; gap: 18px 12px; }
  .lab-metric:nth-child(2n) { border: 0; }
  .lab-inspector { border-left: 0; border-top: 1px solid var(--sim-line); padding: 0 20px; }
  .lab-section { padding: 18px 0; } .lab-parameter input { min-height: 44px; }
  .lab-optics { max-width: 420px; } .lab-failure { inset: 32% 7% auto; }
}