.lab-root [hidden] {
  display: none !important;
}

.hero-image-fallback {
  aspect-ratio: 4 / 5;
  display: grid;
  place-items: center;
  padding: 32px;
  border: 1px solid var(--u-line, #ddd5c6);
  border-radius: 4px;
  background:
    linear-gradient(135deg, transparent 49.5%, rgba(199, 101, 63, .18) 50%, transparent 50.5%),
    var(--u-card, #e7e0d2);
  background-size: 32px 32px;
  color: var(--u-muted, #574f45);
  font: 500 14px/1.5 'IBM Plex Mono', monospace;
  text-align: center;
}

.hero-image-fallback[hidden] {
  display: none;
}

.calc-layout-option {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #ddd5c6;
  border-radius: 3px;
  background: #fbf9f3;
  color: #211e1a;
  font-family: 'IBM Plex Sans', sans-serif;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.tech-calc-controls .calc-layout-option.is-active {
  border-color: var(--u-accent, #bf5d38) !important;
  background: color-mix(in srgb, var(--u-accent, #bf5d38) 16%, var(--u-card, #fbf9f3)) !important;
}

.calc-result-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid #e7e0d2;
  font-size: 14px;
}

.calc-result-line span:first-child {
  color: var(--u-muted, #574f45);
}

.calc-result-line span:last-child {
  color: var(--u-accent, #bf5d38);
  text-align: right;
}

@media (max-width: 900px) {
  .lab-hero-grid > .tech-visual {
    transform: none !important;
  }
}