.build-hub {
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--header) + 70px) 48px 100px;
}
.build-hub h1 {
  font-size: clamp(48px, 6vw, 86px);
  max-width: 850px;
}
.hub-lede {
  font-size: 18px;
  max-width: 65ch;
  margin-bottom: 48px;
}
.tutorial-list > a {
  display: grid;
  grid-template-columns: 56px 1fr 32px;
  gap: 24px;
  text-decoration: none;
  border-top: 1px solid var(--line);
  padding: 32px 0;
  align-items: start;
}
.tutorial-list > a:last-child {
  border-bottom: 1px solid var(--line);
}
.tutorial-number {
  font: 12px var(--mono);
  color: var(--accent);
  padding-top: 12px;
}
.tutorial-list h2 {
  font-size: 36px;
  margin: 0 0 12px;
}
.tutorial-list p {
  font-size: 15px;
  margin: 0 0 12px;
}
.tutorial-list .eyebrow {
  color: var(--muted);
  font-size: 9px;
}
.tutorial-arrow {
  font-size: 24px;
  color: var(--accent);
}
.tutorial-list > a:hover h2 {
  color: var(--accent);
}
.hub-note {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0 36px;
  margin-top: 60px;
}
.hub-note p,
.hub-note a {
  grid-column: 2;
  max-width: 66ch;
}
.hub-note > .eyebrow {
  grid-row: 1 / 4;
}
.diagram-stage img {
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: contain;
}
.instruction-list {
  padding-left: 20px;
  color: #c3c5bc;
  font-size: 15px;
}
.instruction-list li {
  padding-left: 8px;
  margin-bottom: 20px;
}
h3 {
  font-size: 23px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 32px 0 16px;
}
.guide-section code {
  overflow-wrap: anywhere;
}
.guide-section pre code {
  overflow-wrap: normal;
}
.wall-stage {
  --wall-height: calc(100svh - 360px);
}
.wall-plan-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  min-height: 0;
  padding: 32px 0;
}
.wall-plan {
  --columns: 4;
  --rows: 4;
  display: grid;
  grid-template-columns: repeat(var(--columns), minmax(0, 1fr));
  grid-template-rows: repeat(var(--rows), minmax(0, 1fr));
  gap: min(8px, calc(var(--wall-height) / var(--rows) / 5));
  width: min(100%, calc(var(--wall-height) * var(--columns) / var(--rows)));
  aspect-ratio: var(--columns) / var(--rows);
  max-height: 100%;
}
.wall-plan > span {
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font: 12px var(--mono);
  color: var(--accent);
  background: #19251e;
  border: 1px solid #89c5af47;
}
.wall-plan[data-dense="true"] > span {
  font-size: 0;
}
.wall-plan-label {
  font: 12px/1.6 var(--mono);
  color: var(--ink);
  margin: 0 0 8px;
}
.wall-stage .model-note {
  max-width: 100%;
}
.power-form {
  width: 100%;
  margin: 16px 0 24px;
}
.node-picker {
  display: grid;
  grid-template-columns: 1fr 80px;
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.node-picker > label {
  font-size: 18px;
  color: var(--ink);
}
.node-picker input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  padding: 0;
  accent-color: var(--accent);
  min-height: 32px;
}
.node-picker .quiet {
  grid-column: 1 / -1;
}
.power-form input[type="number"] {
  width: 100%;
  min-width: 0;
  background: #1a1e19;
  border: 1px solid #687166;
  border-radius: 0;
  color: var(--ink);
  padding: 10px 12px;
  font: 15px var(--mono);
  min-height: 44px;
}
.power-form input[aria-invalid="true"] {
  border-color: #e5ad8f;
}
.calculator-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 16px;
  margin-top: 28px;
}
.calculator-fields > label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink);
}
.calculator-fields input {
  display: block;
  margin: 8px 0;
}
.calculator-fields small {
  display: block;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.5;
}
.calculator-error {
  border-left: 2px solid #e5ad8f;
  padding-left: 16px;
  font-size: 13px;
  color: #e5ad8f;
}
.budget-results {
  width: 100%;
  border-top: 1px solid var(--accent);
  padding-top: 24px;
  margin-top: 8px;
}
.budget-results > .eyebrow {
  color: var(--accent);
}
.budget-total {
  font-size: 70px;
  letter-spacing: -0.06em;
  line-height: 1.15;
  color: var(--ink);
  margin: 12px 0 24px;
}
.budget-total > small {
  font: 22px var(--mono);
  margin-left: 10px;
  letter-spacing: 0;
}
.budget-watts {
  display: block;
  font: 18px var(--mono);
  letter-spacing: 0;
  color: var(--accent);
  margin-top: 12px;
}
.budget-results .fact-rows dt {
  max-width: 65%;
}
.budget-results .fact-rows dd {
  white-space: nowrap;
}
.checkpoint > .plain {
  display: inline;
  font: inherit;
  color: inherit;
  letter-spacing: normal;
}
.calculation-notes {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  width: 100%;
  margin: 0 0 24px;
}
.calculation-notes .detail-body {
  padding: 0 0 16px;
}
.calculation-notes p {
  font-size: 12px;
  margin-bottom: 14px;
}
.guide-section:has(.power-form) {
  min-height: 0;
}
@media (max-width: 760px) {
  .build-hub {
    padding: calc(var(--header) + 40px) 24px 72px;
  }
  .build-hub h1 {
    font-size: 48px;
  }
  .hub-lede {
    font-size: 16px;
  }
  .tutorial-list > a {
    grid-template-columns: 24px 1fr 20px;
    gap: 12px;
    padding: 28px 0;
  }
  .tutorial-list h2 {
    font-size: 28px;
  }
  .tutorial-list p {
    font-size: 13px;
  }
  .tutorial-list .eyebrow {
    line-height: 1.8;
  }
  .hub-note {
    display: block;
    margin-top: 40px;
  }
  .hub-note > .eyebrow {
    display: block;
    margin-bottom: 16px;
  }
  .diagram-stage {
    padding-bottom: 12px;
  }
  .diagram-stage img {
    width: 65%;
    margin: auto;
  }
  .diagram-stage .model-note {
    max-width: 100%;
    font-size: 9px;
  }
  .wall-stage {
    --wall-height: calc(32svh - 105px);
    padding-bottom: 12px;
  }
  .wall-plan-wrap {
    padding: 8px 0 10px;
  }
  .wall-plan-label {
    font-size: 10px;
    margin: 0;
  }
  .wall-stage .model-note {
    font-size: 8px;
    line-height: 1.4;
    margin: 5px 0 0;
  }
  .wall-plan > span {
    font-size: 8px;
  }
  .wall-stage .stage-top {
    z-index: 1;
  }
  .calculator-fields {
    gap: 20px 12px;
  }
  .calculator-fields small {
    font-size: 10px;
  }
  .budget-results .fact-rows {
    font-size: 11px;
  }
  .budget-total {
    font-size: 60px;
  }
  .instruction-list {
    font-size: 14px;
  }
}
@media print {
  .build-hub {
    padding: 0;
  }
  .power-form {
    display: none;
  }
  .wall-stage {
    display: none;
  }
  .budget-results {
    break-inside: avoid;
  }
  .tutorial-list p,
  .hub-note p {
    color: black;
  }
  .tutorial-list > a {
    break-inside: avoid;
  }
}

#power-inputs {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
#power-inputs:disabled {
  opacity: 0.6;
}

.wall-budget {
  font: 12px/1.6 var(--mono);
  color: var(--accent);
  margin: 0 0 8px;
}
@media (max-width: 760px) {
  .wall-budget {
    font-size: 9px;
    margin: 2px 0;
  }
}
@media (max-width: 760px) {
  .wall-stage {
    --wall-height: calc(32svh - 125px);
  }
  .wall-stage .stage-top {
    position: static;
    flex-shrink: 0;
  }
  .wall-stage .stage-top .eyebrow {
    max-width: none;
  }
}
.cad-canvas-wrap {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;
}
.cad-canvas-wrap canvas,
.cad-canvas-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.cad-canvas-wrap canvas {
  touch-action: pan-y;
  cursor: grab;
}
.cad-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}
.cad-controls button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 9px 10px;
  font: 10px var(--mono);
  min-height: 40px;
}
.cad-controls button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--ink);
}
.cad-credit {
  font: 10px/1.6 var(--mono);
  color: var(--muted);
}
.inline-cad {
  width: 100%;
  border: 1px solid var(--line);
  padding: 12px;
  margin: 24px 0;
  background: #121610;
}
.inline-cad .cad-canvas-wrap {
  height: 350px;
}
.inline-cad .model-note {
  max-width: none;
}
.calculation-notes img {
  max-width: 100%;
  height: auto;
}
.calculation-notes figure {
  margin: 16px 0;
}
@media (max-width: 760px) {
  .cad-stage .cad-controls {
    position: absolute;
    bottom: 6px;
    right: 12px;
    margin: 0;
  }
  .cad-stage .cad-controls button {
    font-size: 8px;
    padding: 6px;
  }
  .cad-stage .cad-credit {
    display: none;
  }
  .cad-stage .model-note {
    max-width: 48%;
    font-size: 8px;
  }
  .inline-cad .cad-canvas-wrap {
    height: 280px;
  }
}