/* Metalness demo — mod grupları + HUD–viewport */

.doc-material-demo--metalness-demo .doc-material-demo__hud {
  gap: 0.3rem;
  padding: 0.48rem 0.85rem 0.32rem;
}

.doc-material-demo--metalness-demo .doc-material-demo__viewport-wrap {
  margin-top: -0.14rem;
}

.doc-material-demo--metalness-demo .doc-material-demo__controls {
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
}

.doc-metalness-demo__legend {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(160, 190, 230, 0.88);
}

.doc-metalness-demo__modes {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.doc-metalness-demo__group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
  gap: 0.3rem 0.75rem;
  padding-bottom: 0.4rem;
  margin-bottom: 0.3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.doc-metalness-demo__group--single-col {
  grid-template-columns: 1fr;
}

.doc-metalness-demo__group--single-col label {
  min-width: 0;
}

.doc-metalness-demo__group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.doc-metalness-demo__sublegend {
  grid-column: 1 / -1;
  margin: 0 0 0.1rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(120, 150, 195, 0.78);
}

.doc-metalness-demo__group label {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  font-size: 0.76rem;
  line-height: 1.35;
  color: rgba(205, 218, 240, 0.94);
  cursor: pointer;
  user-select: none;
}

.doc-metalness-demo__group input[type="radio"] {
  margin-top: 0.18rem;
  flex-shrink: 0;
  accent-color: #c9a227;
}

.doc-metalness-demo__checks {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.15rem 0 0.05rem;
}

.doc-metalness-demo__checks label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  cursor: pointer;
  user-select: none;
  color: rgba(200, 215, 238, 0.95);
}

.doc-metalness-demo__checks input[type="checkbox"] {
  accent-color: #5ec8ff;
  flex-shrink: 0;
}

.doc-material-demo--metalness-demo .doc-material-demo__readout {
  max-width: 100%;
  text-align: right;
  font-size: 0.75rem;
  line-height: 1.4;
}

.doc-metalness-demo__caption-note {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.72rem;
  line-height: 1.45;
  color: rgba(150, 175, 210, 0.88);
}

/* Izgara modu: viewport üstünde sabit «referans» şeridi */
.doc-metalness-demo__grid-ribbon {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
  margin: 0;
  padding: 0.38rem 0.75rem 0.42rem;
  font-size: 0.72rem;
  line-height: 1.4;
  color: rgba(195, 210, 235, 0.95);
  background: linear-gradient(90deg, rgba(30, 55, 95, 0.55) 0%, rgba(12, 18, 32, 0.92) 100%);
  border-bottom: 1px solid rgba(100, 160, 220, 0.12);
}

.doc-metalness-demo__grid-ribbon[hidden] {
  display: none !important;
}

.doc-metalness-demo__grid-ribbon__tag {
  flex-shrink: 0;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.62rem;
  color: rgba(120, 200, 255, 0.95);
}

.doc-metalness-demo__grid-ribbon__text {
  flex: 1 1 12rem;
  min-width: 0;
}

@media (max-width: 560px) {
  .doc-material-demo--metalness-demo .doc-material-demo__hud-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .doc-material-demo--metalness-demo .doc-material-demo__readout {
    text-align: left;
  }

  .doc-metalness-demo__group {
    grid-template-columns: 1fr;
  }
}