.model-page {
  min-height: 100vh;
  padding: 112px clamp(18px, 7vw, 128px) 80px;
}

.model-shell {
  display: grid;
  gap: 34px;
}

.model-copy {
  max-width: 780px;
}

.model-copy h1 {
  margin-top: 14px;
  color: var(--orange);
}

.model-copy p {
  max-width: 560px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.viewer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: stretch;
}

.threejs-page .viewer-layout {
  grid-template-columns: 1fr;
}

.model-threejs-page .viewer-layout {
  grid-template-columns: 1fr;
}

.viewer-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.viewer-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  align-self: stretch;
}

.viewer-tab {
  width: 100%;
  min-width: 0;
  padding: 0 16px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: 700 12px/1 var(--font-mono);
  cursor: pointer;
}

.viewer-tab:first-child {
  border-right: 1px solid var(--line);
}

.viewer-tab.active {
  color: var(--orange);
  background: oklch(72% .19 48 / .08);
  box-shadow: inset 0 -1px 0 var(--orange);
}

.model-threejs-page .terminal-top b {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-threejs-page .terminal-top b.hidden {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.viewer-card {
  min-height: 620px;
}

.viewer-stage {
  position: relative;
  height: 560px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, oklch(72% .19 48 / .12), transparent 35%),
    linear-gradient(180deg, oklch(13% .02 55), oklch(9% .016 55));
}

.viewer-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.viewer-loader {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: oklch(10% .018 55 / .72);
  font: 600 12px/1 var(--font-mono);
}

.viewer-loader.hidden {
  display: none;
}

.media-card {
  min-width: 0;
  min-height: 620px;
}

.media-stage {
  position: relative;
  display: grid;
  place-items: center;
  height: 560px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, oklch(72% .19 48 / .12), transparent 35%),
    linear-gradient(180deg, oklch(13% .02 55), oklch(9% .016 55));
  outline: none;
}

.model-threejs-page .viewer-pane {
  display: none;
}

.model-threejs-page .viewer-pane.active {
  display: block;
}

.model-threejs-page .media-stage.viewer-pane.active {
  display: grid;
}

.media-asset {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform: scale(var(--media-scale, 1));
  transition: transform 160ms ease;
}

.media-asset.hidden,
.media-empty.hidden {
  display: none;
}

.media-empty {
  max-width: 300px;
  padding: 18px;
  color: var(--muted);
  text-align: center;
  font: 600 12px/1.6 var(--font-mono);
}

.viewer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.viewer-controls span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font: 600 11px/1 var(--font-mono);
}

.viewer-reset {
  margin-left: auto;
  min-height: 30px;
}

.media-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 55px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.model-threejs-page .viewer-controls,
.model-threejs-page .media-controls {
  display: none;
}

.model-threejs-page .viewer-controls.active,
.model-threejs-page .media-controls.active {
  display: flex;
}

.media-nav {
  display: grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
}

.media-nav:hover:not(:disabled) {
  border-color: var(--orange);
  color: var(--orange);
}

.media-nav:disabled {
  cursor: default;
  opacity: .4;
}

.media-nav svg {
  width: 16px;
  height: 16px;
}

.media-controls > span {
  color: var(--muted);
  font: 600 11px/1.4 var(--font-mono);
}

.media-hint {
  margin-left: auto;
  text-align: right;
}

.model-list {
  display: grid;
  align-content: start;
  gap: 10px;
}

.threejs-page .model-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.model-threejs-page .model-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.model-item {
  width: 100%;
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 8px;
  text-align: left;
  color: var(--text);
  background: var(--panel);
  cursor: pointer;
  backdrop-filter: blur(14px);
}

.model-item.active {
  border-color: var(--orange);
  box-shadow: 0 0 34px oklch(72% .19 48 / .12);
}

.model-item span {
  color: var(--orange);
  font: 700 12px/1 var(--font-mono);
}

.model-item strong {
  font-size: 18px;
  line-height: 1.2;
}

.model-item small {
  color: var(--muted);
  font: 600 11px/1.4 var(--font-mono);
}

@media (max-width: 1100px) {
  .viewer-layout {
    grid-template-columns: 1fr;
  }

  .viewer-panels {
    grid-template-columns: 1fr;
  }

  .model-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .threejs-page .model-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .model-threejs-page .model-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .model-page {
    padding: 92px 16px 60px;
  }

  .model-copy p {
    font-size: 15px;
  }

  .viewer-card {
    min-height: 520px;
  }

  .viewer-stage {
    height: 430px;
  }

  .media-card {
    min-height: 490px;
  }

  .media-stage {
    height: 430px;
  }

  .viewer-reset {
    width: 100%;
    margin-left: 0;
  }

  .model-list {
    grid-template-columns: 1fr;
  }

  .media-controls {
    flex-wrap: wrap;
  }

  .media-hint {
    width: 100%;
    margin-left: 0;
    text-align: left;
  }

  .viewer-tab {
    padding: 0 10px;
    font-size: 11px;
  }
}