.kn-perspective-lab-shell {
  --kn-pl-bg: var(--kn-bg-shell, #111214);
  --kn-pl-panel: var(--kn-bg-panel, #1c1d21);
  --kn-pl-panel-2: var(--kn-bg-panel-soft, #24262b);
  --kn-pl-text: var(--kn-text-main, #f3efe8);
  --kn-pl-muted: var(--kn-text-muted, #bcb4a7);
  --kn-pl-line: var(--kn-border, rgba(255, 255, 255, 0.16));
  --kn-pl-accent: var(--kn-accent, #d7b56d);
  --kn-pl-accent-soft: var(--kn-accent-soft, rgba(215, 181, 109, 0.18));
  width: 100%;
  max-width: 1380px;
  min-width: 0;
  flex: 0 0 100%;
  align-self: stretch;
}

/* Applied to the actual page-builder flex host detected by the lab script. */
.kn-pl-page-flex-parent {
  flex-wrap: wrap !important;
}

.kn-pl-page-flex-item {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  flex: 0 0 100% !important;
  align-self: stretch !important;
}

.kn-perspective-lab-shell *,
.kn-perspective-lab-shell *::before,
.kn-perspective-lab-shell *::after {
  box-sizing: border-box;
}

.kn-perspective-lab-shell .kn-lab-banner {
  margin-bottom: 1rem;
}

.kn-pl-suite-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
}

.kn-pl-suite-kicker {
  color: var(--kn-pl-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.2;
  text-transform: uppercase;
}

.kn-pl-suite-header h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.1;
}

.kn-pl-suite-header p {
  max-width: 74ch;
  margin: 0;
  line-height: 1.45;
}

.kn-perspective-lab-shell .kn-lab-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
}

.kn-perspective-lab-shell .kn-lab-suite-kicker,
.kn-perspective-lab-shell .kn-pl-suite-kicker {
  color: rgb(229, 191, 95);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.2;
  text-transform: uppercase;
}

.kn-perspective-lab-shell .kn-lab-title {
  margin: 0;
  color: #f7f3ea;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  font-weight: 800;
  line-height: 1.1;
}

.kn-perspective-lab-shell .kn-lab-subtitle {
  max-width: 76ch;
  margin: 0;
  color: #c8c0b2;
  font-size: 0.95rem;
  line-height: 1.45;
}

.kn-perspective-lab {
  --kn-pl-bg: var(--kn-bg-shell, #111214);
  --kn-pl-panel: var(--kn-bg-panel, #1c1d21);
  --kn-pl-panel-2: var(--kn-bg-panel-soft, #24262b);
  --kn-pl-text: var(--kn-text-main, #f3efe8);
  --kn-pl-muted: var(--kn-text-muted, #bcb4a7);
  --kn-pl-line: var(--kn-border, rgba(255, 255, 255, 0.16));
  --kn-pl-accent: var(--kn-accent, #d7b56d);
  --kn-pl-accent-soft: var(--kn-accent-soft, rgba(215, 181, 109, 0.18));
  --kn-pl-vp1: #e5b55f;
  --kn-pl-vp2: #8db7e8;
  --kn-pl-vp3: #d88ca4;
  --kn-pl-vp4: #9dd6a3;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  width: 100%;
  min-width: 0;
  height: var(--kn-perspective-lab-height, 720px);
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--kn-pl-line);
  border-radius: var(--kn-radius-md, 18px);
  background: var(--kn-pl-bg);
  color: var(--kn-pl-text);
  box-shadow: var(--kn-shadow-panel, 0 10px 28px rgba(0,0,0,0.22));
  font-family: inherit;
}

.kn-perspective-lab *,
.kn-perspective-lab *::before,
.kn-perspective-lab *::after {
  box-sizing: border-box;
}

.kn-pl-stage {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgba(255,255,255,0.08), transparent 40%),
    linear-gradient(180deg, #181a1e 0%, #0f1012 100%);
}

.kn-pl-three-stage,
.kn-pl-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.kn-pl-three-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.kn-pl-overlay {
  pointer-events: none;
  z-index: 4;
}

.kn-pl-stage-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 8;
  padding: 9px 12px;
  border: 1px solid var(--kn-pl-line);
  border-radius: 999px;
  background: rgba(17,18,20,0.68);
  backdrop-filter: blur(10px);
  color: var(--kn-pl-text);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.kn-pl-stage-help {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 8;
  max-width: 430px;
  padding: 14px 16px;
  border: 1px solid var(--kn-pl-line);
  border-radius: var(--kn-radius-md, 16px);
  background: rgba(17,18,20,0.72);
  color: var(--kn-pl-muted);
  font-size: 13px;
  line-height: 1.45;
  backdrop-filter: blur(10px);
}

.kn-pl-stage-help strong {
  color: var(--kn-pl-text);
}

.kn-pl-control-panel {
  min-width: 0;
  overflow-y: auto;
  border-left: 1px solid var(--kn-pl-line);
  background: linear-gradient(180deg, var(--kn-pl-panel) 0%, #15161a 100%);
  padding: 20px;
  scrollbar-color: rgba(229, 191, 95, 0.7) rgba(255, 255, 255, 0.06);
  scrollbar-width: thin;
}

.kn-pl-control-panel header {
  margin-bottom: 14px;
}

.kn-pl-panel-header {
  padding: 0.25rem 0 0.35rem;
}

.kn-pl-panel-header span {
  color: var(--kn-pl-text);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kn-pl-control-group,
.kn-pl-details {
  margin-bottom: 14px;
  border: 1px solid var(--kn-pl-line);
  border-radius: var(--kn-radius-md, 14px);
  background: rgba(255,255,255,0.035);
}

.kn-pl-control-group {
  padding: 14px;
}

.kn-pl-control-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--kn-pl-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kn-perspective-lab select,
.kn-perspective-lab button {
  width: 100%;
  border: 1px solid var(--kn-pl-line);
  border-radius: 999px;
  background: var(--kn-pl-panel-2);
  color: var(--kn-pl-text);
  font: inherit;
}

.kn-perspective-lab select {
  padding: 10px 14px;
}

.kn-perspective-lab button {
  cursor: pointer;
  padding: 10px 12px;
  font-weight: 700;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.kn-perspective-lab button:hover,
.kn-perspective-lab button:focus-visible {
  transform: translateY(-1px);
  background: var(--kn-bg-panel-soft, #30333a);
  border-color: var(--kn-border-strong, rgba(215,181,109,0.45));
}

.kn-perspective-lab button:disabled,
.kn-perspective-lab button.is-locked {
  cursor: not-allowed;
  opacity: 0.54;
  filter: grayscale(0.65);
}

.kn-perspective-lab button:disabled:hover,
.kn-perspective-lab button.is-locked:hover,
.kn-perspective-lab button:disabled:focus-visible,
.kn-perspective-lab button.is-locked:focus-visible {
  transform: none;
  background: var(--kn-pl-panel-2);
  border-color: var(--kn-pl-line);
}

.kn-pl-control-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.kn-pl-preset-row {
  grid-template-columns: repeat(4, 1fr);
}

.kn-pl-control-row button {
  font-size: 12px;
  line-height: 1.2;
}

.kn-pl-bottom-actions {
  grid-template-columns: 1fr 1fr;
  margin-top: 20px;
}

.kn-pl-bottom-actions button:last-child {
  background: var(--kn-pl-accent);
  border-color: var(--kn-pl-accent);
  color: var(--kn-text-dark, #121212);
}

.kn-pl-bottom-actions button:last-child.is-locked,
.kn-pl-bottom-actions button:last-child:disabled {
  background: rgba(255,255,255,0.055);
  border-color: var(--kn-pl-line);
  color: var(--kn-pl-muted);
}

.kn-pl-details {
  padding: 0;
}

.kn-perspective-lab .is-hidden {
  display: none !important;
}

.kn-pl-details summary {
  cursor: pointer;
  padding: 13px 14px;
  color: var(--kn-pl-text);
  font-weight: 650;
  list-style: none;
}

.kn-pl-details summary::-webkit-details-marker {
  display: none;
}

.kn-pl-details summary::after {
  content: "+";
  float: right;
  color: var(--kn-pl-accent);
}

.kn-pl-details[open] summary::after {
  content: "-";
}

.kn-pl-slider-control {
  padding: 0 14px 14px;
}

.kn-pl-slider-control label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--kn-pl-muted);
  font-size: 13px;
}

.kn-perspective-lab input[type="range"] {
  width: 100%;
  accent-color: var(--kn-pl-accent);
}

.kn-pl-slider-control.is-disabled {
  opacity: 0.48;
}

.kn-pl-slider-control.is-disabled input {
  cursor: not-allowed;
}

.kn-pl-toggle {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 0 14px 13px;
  color: var(--kn-pl-muted);
  font-size: 14px;
}

.kn-pl-toggle input {
  accent-color: var(--kn-pl-accent);
}

.kn-pl-overlay-line {
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kn-pl-box-edge-overlay {
  mix-blend-mode: multiply;
}

.kn-pl-overlay-label {
  font: 700 12px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  fill: rgba(243,239,232,0.88);
  paint-order: stroke;
  stroke: rgba(17,18,20,0.82);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.kn-pl-overlay-label-muted {
  font: 600 11px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  fill: rgba(188,180,167,0.82);
  paint-order: stroke;
  stroke: rgba(17,18,20,0.82);
  stroke-width: 4px;
}

.kn-pl-mode-control label {
  margin-bottom: 10px;
}

.kn-pl-mode-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.kn-pl-mode-buttons button {
  min-height: 46px;
  padding: 10px 8px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.015em;
  color: var(--kn-pl-muted);
  background: rgba(255,255,255,0.035);
  border-radius: 999px;
}

.kn-pl-full-badge {
  display: none;
  margin-left: 0.35rem;
  padding: 0.14rem 0.38rem;
  border: 1px solid rgba(215,181,109,0.34);
  border-radius: 999px;
  color: var(--kn-pl-accent);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.kn-perspective-lab button.is-locked .kn-pl-full-badge,
.kn-perspective-lab button:disabled .kn-pl-full-badge {
  display: inline-flex;
}

.kn-pl-mode-buttons button.is-active {
  color: var(--kn-text-dark, #121212);
  background: var(--kn-pl-accent);
  border-color: var(--kn-pl-accent);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18), 0 8px 22px rgba(0,0,0,0.18);
}

.kn-pl-mode-buttons button.is-locked {
  color: rgba(188,180,167,0.68);
  background: rgba(255,255,255,0.025);
  border-color: rgba(255,255,255,0.12);
}
.kn-pl-details.is-disabled,
.kn-pl-control-group.is-disabled,
.kn-pl-slider-control.is-disabled {
  opacity: 0.43;
}

.kn-pl-details.is-disabled summary,
.kn-pl-slider-control.is-disabled label,
.kn-pl-control-group.is-disabled label {
  color: rgba(188,180,167,0.55);
}

.kn-pl-details.is-disabled input,
.kn-pl-control-group.is-disabled select,
.kn-pl-slider-control.is-disabled input {
  cursor: not-allowed;
  filter: grayscale(1);
}

@media (max-width: 640px) {
  .kn-perspective-lab {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .kn-pl-stage {
    min-height: 62vh;
  }

  .kn-pl-control-panel {
    border-left: 0;
    border-top: 1px solid var(--kn-pl-line);
  }

}

@media (max-width: 560px) {
  .kn-perspective-lab {
    border-radius: 12px;
  }

  .kn-pl-control-panel {
    padding: 16px;
  }

  .kn-pl-preset-row,
  .kn-pl-mode-buttons,
  .kn-pl-bottom-actions {
    grid-template-columns: 1fr;
  }
}