/* Steding 3D editor. Local source geometry, industrial drawing-board finish. */
.scaffold-lab {
  --lab-ink: #131c1f;
  --lab-muted: #b3bdb5;
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 0.66fr) minmax(0, 1.34fr);
  gap: clamp(2rem, 4vw, 5rem);
  padding: clamp(4rem, 7vw, 8rem) var(--gutter, 5vw);
  background: var(--lab-ink);
  color: #f4f1e9;
  isolation: isolate;
}
.scaffold-lab::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 80% 35%, #34424766, transparent 62%);
  z-index: -1;
}
.scaffold-lab [hidden] {
  display: none !important;
}
.scaffold-lab button,
.scaffold-lab select {
  font: inherit;
}
.scaffold-lab :focus-visible {
  outline: 2px solid #ffad66;
  outline-offset: 4px;
}
.lab-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding-top: 0.35rem;
}
.lab-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.2rem;
  margin: 0;
  font-size: 0.67rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: #c4cbc2;
}
.lab-eyebrow > span {
  color: #ff861c;
}
.lab-copy h2 {
  margin: 2.3rem 0 1.6rem;
  font-size: clamp(3.5rem, 5.6vw, 6.8rem);
  line-height: 0.98;
  width: 100%;
  min-width: 0;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}
.lab-copy h2 > span {
  color: #ff861c;
}
.lab-intro {
  max-width: 31ch;
  color: #c4cac6;
  font-size: clamp(0.9rem, 1.02vw, 1.05rem);
  line-height: 1.85;
}
.lab-materials {
  display: grid;
  gap: 0.7rem;
  margin: 2rem 0 1.6rem;
  color: #d2d5d1;
  font-size: 0.72rem;
  line-height: 1.6;
}
.lab-materials > span {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.lab-materials i {
  display: inline-block;
  flex: 0 0 1.25rem;
  height: 0.35rem;
}
.lab-material-steel {
  background: linear-gradient(90deg, #6c777d, #f1f3ed, #6c777d);
}
.lab-material-wood {
  background: linear-gradient(90deg, #82643e, #c3a46f, #9c7a4e);
}
.lab-model-facts {
  display: flex;
  flex-wrap: wrap;
  max-width: 34ch;
  gap: 0.55rem 1rem;
  padding-block: 1rem;
  border-block: 1px solid #a9b1aa3d;
  font-size: 0.68rem;
  color: #e3e5db;
}
.lab-model-facts b {
  font-weight: 500;
}
.lab-model-note {
  max-width: 34ch;
  margin-block: 1.6rem 1.5rem;
  font-size: 0.78rem;
  color: #b9c4bb;
  line-height: 1.8;
}
.lab-link {
  display: flex;
  gap: 1.3rem;
  align-items: center;
  min-height: 44px;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #7a8584;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
}
.lab-link:hover {
  color: #ff9c46;
  border-color: currentColor;
}
.lab-link span {
  font-size: 1.4rem;
}
.lab-serial {
  margin-top: auto;
  padding-top: 4rem;
  max-width: 30ch;
  font-size: 0.56rem;
  line-height: 1.8;
  letter-spacing: 0.12em;
  color: #a1ada5;
}
.lab-figure {
  width: 100%;
  min-width: 0;
  margin: 0;
}
.lab-editor-panel {
  padding: 1.1rem 1.25rem 1.2rem;
  border: 1px solid #a2b2a438;
  border-bottom: 0;
  background: #122024;
}
.lab-editor-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.4rem;
}
.lab-editor-heading > span,
.lab-function-label {
  font-size: 0.57rem;
  letter-spacing: 0.12em;
  color: #bec9bd;
  line-height: 1.5;
}
.lab-editor-heading button {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.4rem 0 0.4rem 0.4rem;
  border: 0;
  background: transparent;
  color: #d6ddd2;
  font-size: 0.65rem;
  cursor: pointer;
}
.lab-editor-heading button span {
  color: #ff9c4c;
  font-size: 1rem;
}
.lab-config-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.lab-config-fields label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #e3e9de;
}
.lab-config-fields label > span {
  font-size: 0.58rem;
  color: #aebdaf;
  font-weight: 400;
}
.lab-config-fields select {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.8rem;
  border: 1px solid #84958580;
  border-radius: 0;
  color: #f2f4eb;
  background-color: #1b2d31;
  font-size: 0.86rem;
  cursor: pointer;
  color-scheme: dark;
}
.lab-config-fields select:hover {
  border-color: #ff9c4c;
}
.lab-config-output {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  padding-top: 1.1rem;
}
.lab-config-output > div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.lab-config-output strong {
  font-family: var(--display, sans-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #eceddf;
}
.lab-config-output strong small {
  padding-left: 0.25rem;
  font-family: var(--body, sans-serif);
  font-weight: 400;
  font-size: 0.7rem;
  color: #ffac67;
}
.lab-config-output > div > span {
  font-size: 0.56rem;
  color: #b8c3b6;
  line-height: 1.5;
}
.lab-config-note {
  margin: 0.9rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid #a2b2a438;
  font-size: 0.67rem;
  color: #ffb77d;
  line-height: 1.6;
}
.lab-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid #7c91846e;
  background: radial-gradient(
    ellipse at 53% 45%,
    #344347,
    #1b282c 60%,
    #172226 100%
  );
}
.lab-stage::before,
.lab-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
  width: 22px;
  height: 22px;
  z-index: 3;
}
.lab-stage::before {
  left: -1px;
  top: -1px;
  border-top: 2px solid #bdc6b8;
  border-left: 2px solid #bdc6b8;
}
.lab-stage::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid #bdc6b8;
  border-right: 2px solid #bdc6b8;
}
.lab-stage-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(#a3b1ad12 1px, transparent 1px),
    linear-gradient(90deg, #a3b1ad12 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(#000, transparent 90%);
}
.lab-stage-label,
.lab-stage-index {
  position: absolute;
  top: 1rem;
  z-index: 3;
  padding: 0.4rem 0.55rem;
  background: #142125ed;
  pointer-events: none;
  line-height: 1.3;
}
.lab-stage-label {
  left: 1rem;
  font-family: var(--display, sans-serif);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #d3d8d1;
}
.lab-stage-label > span {
  display: block;
  font-family: var(--body, sans-serif);
  margin-top: 0.3rem;
  font-size: 0.43rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  color: #b0bdb2;
}
.lab-stage-index {
  right: 1rem;
  text-align: right;
  font-size: 0.59rem;
  color: #d5dcd7;
  letter-spacing: 0.1em;
}
.lab-stage-index > span {
  display: inline-block;
  margin-top: 0.35rem;
  color: #ffac67;
  font-size: 0.46rem;
}
.lab-poster,
.lab-canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.lab-poster {
  object-fit: contain;
  opacity: 1;
  transition: opacity 220ms;
}
.lab-canvas {
  opacity: 0;
  outline-offset: -5px;
  transition: opacity 220ms;
  cursor: grab;
  touch-action: pan-y;
}
.lab-canvas:active {
  cursor: grabbing;
}
.lab-ready .lab-poster {
  opacity: 0;
  pointer-events: none;
}
.lab-ready .lab-canvas {
  opacity: 1;
}
.lab-start-wrap {
  position: absolute;
  bottom: 2rem;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  z-index: 4;
}
.lab-start {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 60px;
  padding: 0.85rem 1.5rem 0.85rem 0.85rem;
  border: 1px solid #a0aaa380;
  background: #142125f5;
  color: #f9f6ed;
  box-shadow: 0 8px 30px #0003;
  text-align: left;
  font-size: 0.8rem;
  line-height: 1.4;
  font-weight: 700;
  cursor: pointer;
}
.lab-start:hover {
  border-color: #ff9b44;
  background: #24383a;
}
.lab-start small {
  display: block;
  margin-top: 0.25rem;
  color: #c2ccbf;
  font-size: 0.65rem;
  font-weight: 400;
}
.lab-start-symbol {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: #ff7900;
  color: #162226;
  font-size: 1.6rem;
}
.lab-ready .lab-start-wrap {
  display: none;
}
.lab-axis {
  position: absolute;
  bottom: 2.5rem;
  left: 1.5rem;
  width: 40px;
  height: 38px;
  pointer-events: none;
  font-size: 0.5rem;
  color: #b0c0b1;
  opacity: 0.7;
}
.lab-axis i {
  position: absolute;
  width: 1px;
  height: 24px;
  top: 2px;
  left: 17px;
  background: #a7b4af;
}
.lab-axis i::before,
.lab-axis i::after {
  position: absolute;
  content: "";
  width: 1px;
  height: 20px;
  top: 24px;
  background: #a7b4af;
  transform-origin: top;
}
.lab-axis i::before {
  transform: rotate(58deg);
}
.lab-axis i::after {
  transform: rotate(-58deg);
}
.lab-axis b {
  position: absolute;
  font-weight: 500;
}
.lab-axis b:nth-child(1) {
  left: 15px;
  top: -11px;
}
.lab-axis b:nth-child(3) {
  right: -4px;
  bottom: -5px;
}
.lab-axis b:nth-child(4) {
  left: -5px;
  bottom: -5px;
}
.lab-drag-hint {
  position: absolute;
  left: 50%;
  bottom: 0.8rem;
  width: max-content;
  max-width: calc(100% - 2rem);
  margin: 0;
  text-align: center;
  pointer-events: none;
  color: #c4cfbf;
  font-size: 0.56rem;
  line-height: 1.5;
  opacity: 0;
  padding: 0.3rem 0.6rem;
  background: #142125f2;
  transform: translateX(-50%);
}
.lab-drag-hint > span {
  margin-right: 0.45rem;
  color: #ff9a40;
  font-size: 0.9rem;
}
.lab-ready .lab-drag-hint {
  opacity: 1;
}
.lab-build-label {
  position: absolute;
  left: 50%;
  top: 1rem;
  transform: translateX(-50%);
  z-index: 3;
  max-width: 42%;
  padding: 0.5rem 0.7rem;
  background: #ff912d;
  color: #132124;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}
.lab-controls-slot {
  display: none;
}
.lab-enhanced .lab-controls-slot {
  display: block;
}
.lab-toolbar {
  margin-top: 0.7rem;
}
.lab-view-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}
.lab-views {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 3px;
  border: 1px solid #7e8b8840;
  background: #0b151733;
}
.lab-views button,
.lab-assembly {
  min-height: 44px;
  padding: 0.6rem 0.85rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #d9e1d3;
  font-size: 0.68rem;
  line-height: 1.4;
  font-weight: 600;
  cursor: pointer;
}
.lab-views button:hover,
.lab-assembly:hover {
  color: #fff;
  background: #ffffff0c;
}
.lab-views button[aria-pressed="true"] {
  background: #e5e8de;
  color: #172226;
}
.lab-assembly {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #ffb16e;
  padding-right: 0;
}
.lab-assembly > span:first-child {
  font-size: 1.3rem;
  line-height: 1;
}
.lab-function-label {
  margin: 0 0 0.65rem;
}
.lab-functions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
}
.lab-functions button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.4rem;
  min-width: 0;
  min-height: 58px;
  padding: 0.65rem 0.6rem;
  border: 1px solid #7c8d8659;
  border-radius: 0;
  background: #0f1a1d;
  color: #e4e8df;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
}
.lab-functions button > span {
  color: #b2c2ad;
  font-size: 0.5rem;
  line-height: 1;
}
.lab-functions button:hover {
  border-color: #a1b19e;
}
.lab-functions button[aria-pressed="true"] {
  background: #e2e6dc;
  border-color: #e2e6dc;
  color: #122025;
  box-shadow: inset 0 -3px #ff8a29;
}
.lab-functions button[aria-pressed="true"] > span {
  color: #526154;
}
.lab-toolbar-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.7rem;
  margin-top: 0.35rem;
}
.lab-toolbar-bottom > span {
  font-size: 0.54rem;
  color: #bec8b9;
}
.lab-utility-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.lab-toolbar-bottom button {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  min-height: 44px;
  padding: 0.3rem 0;
  border: 0;
  background: transparent;
  color: #d9dfd4;
  font-size: 0.64rem;
  cursor: pointer;
}
.lab-toolbar-bottom button:hover,
.lab-editor-heading button:hover {
  color: #ffb57a;
}
.lab-toolbar-bottom button > span {
  color: #ff9c4c;
  font-size: 1.2rem;
}
.lab-function-description {
  display: grid;
  grid-template-columns: minmax(100px, 0.36fr) 1fr;
  gap: 1rem;
  min-height: 110px;
  padding-block: 1.2rem;
  border-block: 1px solid #a0b09e3b;
}
.lab-function-description h3 {
  margin: 0;
  color: #e5e7dc;
  font-size: 1.8rem;
  line-height: 1.15;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
}
.lab-function-description p {
  margin: 0;
  color: #c3ccbc;
  font-size: 0.78rem;
  line-height: 1.8;
}
.lab-caption {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  padding-top: 1rem;
  color: #b8c2b4;
  font-size: 0.56rem;
  line-height: 1.65;
}
.lab-status {
  color: #c9d5c3;
}
.lab-sources {
  margin-top: 0.6rem;
  color: #b6c2af;
  font-size: 0.65rem;
  line-height: 1.8;
}
.lab-sources summary {
  min-height: 44px;
  padding-block: 0.8rem;
  color: #d8dfd0;
  cursor: pointer;
}
.lab-sources a {
  color: #e2e7d9;
}
.lab-sources p {
  padding-bottom: 0.6rem;
}
@media (min-width: 1700px) {
  .scaffold-lab {
    grid-template-columns: minmax(350px, 0.55fr) minmax(0, 1.45fr);
  }
  .lab-stage {
    aspect-ratio: 1.45;
  }
}
@media (max-width: 1100px) {
  .scaffold-lab {
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    gap: 1.5rem;
  }
  .lab-copy h2 {
    font-size: clamp(3rem, 5.9vw, 5rem);
  }
  .lab-functions button {
    font-size: 0.62rem;
    padding-inline: 0.35rem;
  }
  .lab-function-description {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
  .lab-view-toolbar {
    margin-bottom: 1rem;
  }
  .lab-views button {
    padding-inline: 0.6rem;
  }
  .lab-config-output strong {
    font-size: 1.85rem;
  }
}
@media (max-width: 800px) {
  .scaffold-lab {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 4rem;
  }
  .lab-copy h2 {
    font-size: clamp(3.7rem, 10vw, 5.7rem);
    margin-block: 1.8rem 1.3rem;
  }
  .lab-intro {
    max-width: 48ch;
    font-size: 0.95rem;
  }
  .lab-materials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem 1.5rem;
    margin-block: 1.2rem;
  }
  .lab-model-note {
    max-width: 52ch;
    margin-block: 1.2rem;
  }
  .lab-model-facts {
    max-width: none;
  }
  .lab-serial {
    display: none;
  }
  .lab-config-output strong {
    font-size: 2.3rem;
  }
  .lab-functions button {
    font-size: 0.75rem;
    padding-inline: 0.6rem;
  }
  .lab-stage {
    aspect-ratio: 1.25;
  }
  .lab-figure {
    max-width: 720px;
    justify-self: center;
  }
}
@media (max-width: 480px) {
  .lab-copy h2 {
    font-size: clamp(3rem, 11.2vw, 4.8rem);
  }
  .lab-editor-panel {
    padding: 0.8rem 0.85rem 1rem;
  }
  .lab-config-fields {
    gap: 0.65rem;
  }
  .lab-config-fields label > span {
    font-size: 0.55rem;
  }
  .lab-config-output {
    gap: 0.35rem;
  }
  .lab-config-output strong {
    font-size: 1.7rem;
  }
  .lab-config-output > div > span {
    font-size: 0.51rem;
  }
  .lab-stage {
    aspect-ratio: 1.1;
  }
  .lab-stage-label {
    left: 0.65rem;
    top: 0.65rem;
    font-size: 0.85rem;
  }
  .lab-stage-label > span {
    display: none;
  }
  .lab-stage-index {
    right: 0.65rem;
    top: 0.65rem;
    font-size: 0.55rem;
  }
  .lab-stage-index > span {
    font-size: 0.43rem;
  }
  .lab-build-label {
    top: 0.7rem;
    font-size: 0.57rem;
  }
  .lab-start {
    font-size: 0.76rem;
    padding: 0.7rem 1rem 0.7rem 0.7rem;
    gap: 0.7rem;
  }
  .lab-start small {
    font-size: 0.6rem;
  }
  .lab-start-symbol {
    width: 32px;
    height: 32px;
  }
  .lab-drag-hint {
    font-size: 0.49rem;
    bottom: 0.55rem;
    padding: 0.2rem 0.4rem;
  }
  .lab-axis {
    transform: scale(0.7);
    transform-origin: bottom left;
    left: 0.8rem;
    bottom: 2.2rem;
  }
  .lab-view-toolbar {
    gap: 0.35rem;
    margin-bottom: 1rem;
  }
  .lab-views button {
    padding: 0.5rem 0.65rem;
    font-size: 0.63rem;
  }
  .lab-assembly {
    font-size: 0.63rem;
    gap: 0.35rem;
  }
  .lab-functions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .lab-functions button {
    font-size: 0.7rem;
  }
  .lab-utility-actions {
    gap: 1.3rem;
  }
  .lab-function-description {
    min-height: 150px;
  }
  .lab-function-description h3 {
    font-size: 1.7rem;
  }
  .lab-caption {
    font-size: 0.55rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scaffold-lab *,
  .scaffold-lab *::before,
  .scaffold-lab *::after {
    transition: none;
  }
}