.product-3d-lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.25rem;
  align-items: stretch;
}

.product-3d-lab__stage {
  position: relative;
  min-height: 460px;
  height: clamp(460px, 64vh, 760px);
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 20%, #f3f7fc 0%, #e6edf6 60%, #dde6f1 100%);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.product-3d-lab__canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* 우주 공간 모드(ONZ16 한정): 무대·로더를 어둡게 맞춰 별 배경과 자연스럽게 잇는다. */
.product-3d-lab__stage--space {
  background: radial-gradient(120% 120% at 50% 18%, #0b1030 0%, #070a1c 55%, #03040c 100%);
  border-color: rgba(120, 150, 255, 0.18);
}

.product-3d-lab__stage--space .product-3d-lab__loader {
  background: radial-gradient(120% 120% at 50% 30%, #0b1030 0%, #070a1c 60%, #03040c 100%);
}

.product-3d-lab__stage--space .product-3d-lab__loader-label {
  color: #b9c6ff;
}

.product-3d-lab__stage--space .product-3d-lab__progress {
  background: rgba(180, 200, 255, 0.16);
}

.product-3d-lab__stage--space .product-3d-lab__progress-bar {
  background: linear-gradient(90deg, #5b6cff, #22d3ee);
}

.product-3d-lab__stage--space .product-3d-lab__progress-pct {
  color: #9fb2ff;
}

.product-3d-lab__hud {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: calc(100% - 1.5rem);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-3d-lab__hud-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2f7bff;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.3);
  flex: 0 0 auto;
}

.product-3d-lab__tooltip {
  position: absolute;
  transform: translate(12px, -50%);
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  background: #0f172a;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  pointer-events: none;
  z-index: 4;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-3d-lab__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, #eef3fb 0%, #f8fafc 55%, #e8eef5 100%);
}

.product-3d-lab__loader-inner {
  width: min(320px, 76%);
  text-align: center;
}

.product-3d-lab__loader-label {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
}

.product-3d-lab__progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.1);
  overflow: hidden;
}

.product-3d-lab__progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ref-hd-marine-blue-primary, #003087), #2563eb);
  transition: width 0.2s ease;
}

.product-3d-lab__progress-pct {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ref-hd-marine-blue-primary, #003087);
}

.product-3d-lab__error {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  margin: 0;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  background: rgba(220, 38, 38, 0.95);
  color: #fff;
  font-size: 0.85rem;
}

.product-3d-lab__panel {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: #fff;
}

.product-3d-lab__panel-title {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #0f172a;
}

.product-3d-lab__panel-list {
  margin: 0 0 1rem;
  padding-left: 1.05rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #475569;
}

.product-3d-lab__panel-list li + li {
  margin-top: 0.35rem;
}

/* 패널 안에서는 사양을 1열로 정렬한다(좁은 폭). */
.product-3d-lab__specs-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 0.9rem;
}

.product-3d-lab__panel .product-3d-page__inquiry-btn {
  margin-top: 0.2rem;
  margin-bottom: 1rem;
}

.product-3d-lab__panel-hint {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: #64748b;
}

.product-3d-page__title-tag {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: rgba(47, 123, 255, 0.12);
  color: #2f7bff;
  font-size: 0.6em;
  font-weight: 700;
  letter-spacing: 0.03em;
  vertical-align: middle;
}

.product-3d-lab__panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product-3d-lab__btn {
  appearance: none;
  border: 1px solid var(--ref-hd-marine-blue-primary, #003087);
  background: var(--ref-hd-marine-blue-primary, #003087);
  color: #fff;
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s ease, background 0.15s ease;
}

.product-3d-lab__btn:hover {
  filter: brightness(1.08);
}

.product-3d-lab__btn--ghost {
  background: transparent;
  color: var(--ref-hd-marine-blue-primary, #003087);
}

.product-3d-lab__btn--ghost.is-active {
  background: var(--ref-hd-marine-blue-primary, #003087);
  color: #fff;
}

@media (max-width: 860px) {
  .product-3d-lab {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-3d-lab__progress-bar {
    transition: none;
  }
}