/* Holodepth — MeshStandardMaterial etkileşimli demo (PBR · dodecahedron) */

figure.doc-material-demo + .doc-h3 {
  margin-top: 1.35rem;
}

.doc-material-demo {
  margin: 1.1rem 0 0;
  border-radius: var(--radius, 14px);
  border: 1px solid rgba(94, 200, 255, 0.16);
  background: linear-gradient(
    165deg,
    rgba(10, 12, 22, 0.98) 0%,
    rgba(4, 6, 14, 0.99) 100%
  );
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.45) inset,
    0 16px 40px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.doc-material-demo__hud {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(4, 6, 12, 0.72);
  font-family: var(--font-sans, system-ui, sans-serif);
  font-size: 0.78rem;
}

.doc-material-demo__hud-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.doc-material-demo__tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(140, 200, 255, 0.88);
}

.doc-material-demo__readout {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: rgba(180, 220, 245, 0.95);
  font-size: 0.72rem;
  max-width: 30rem;
  line-height: 1.35;
}

.doc-material-demo__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1.2rem;
}

.doc-material-demo__checks {
  flex: 1 1 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}

.doc-material-demo__checks label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.78rem;
  color: rgba(200, 210, 230, 0.92);
}

.doc-material-demo__checks input {
  accent-color: #5ec8ff;
}

.doc-material-demo__group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 8.5rem;
}

.doc-material-demo__group--grow {
  flex: 1 1 11rem;
}

.doc-material-demo__group-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(160, 175, 205, 0.88);
}

.doc-material-demo__range {
  width: 100%;
  max-width: 22rem;
  accent-color: #5ec8ff;
}

.doc-material-demo__viewport-wrap {
  position: relative;
  width: 100%;
  min-height: 260px;
  aspect-ratio: 16 / 9;
  background: #05060c;
}

.doc-material-demo__viewport {
  position: absolute;
  inset: 0;
}

.doc-material-demo__viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.doc-material-demo__caption {
  margin: 0;
  padding: 0.7rem 0.85rem 0.85rem;
  font-size: 0.8rem;
  line-height: 1.55;
  color: rgba(170, 190, 220, 0.92);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(6, 8, 14, 0.45);
}

@media (max-width: 640px) {
  .doc-material-demo__viewport-wrap {
    min-height: 220px;
    aspect-ratio: 4 / 3;
  }
}