.stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  /* Touch gestures on the stage belong to the camera, not to the browser:
     no text selection, no long-press callout, no tap highlight. */
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  color: var(--color-stage-ink);
  background:
    radial-gradient(
      130% 100% at 50% 0%,
      var(--color-stage-top) 0%,
      var(--color-stage-bottom) 72%
    );
}

.stage__canvas {
  position: absolute;
  inset: 0;
  /* Hand every touch to OrbitControls: no scroll, pinch-zoom or double-tap. */
  touch-action: none;
  cursor: grab;
}

.stage__canvas:active {
  cursor: grabbing;
}

.stage__canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* Warm vignette + paper grain over the render, so the 3D sits in a "room". */
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(
      110% 80% at 50% 45%,
      transparent 45%,
      oklch(12% 0.02 58 / 0.55) 100%
    );
}

/* ---------- Caption (grid-breaking editorial block) ---------- */

.caption {
  position: absolute;
  inset: var(--space-wide) auto auto var(--space-wide);
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 26ch);
  align-items: start;
  gap: var(--space-base);
  max-width: min(36rem, calc(100% - 2 * var(--space-wide)));
  pointer-events: none;
  text-shadow: 0 1px 24px oklch(12% 0.02 58 / 0.75);
}

.caption__numeral {
  font-family: var(--font-display);
  font-size: var(--text-numeral);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: transparent;
  -webkit-text-stroke: 1.5px oklch(78% 0.145 78 / 0.75);
}

.caption__eyebrow {
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}

.caption__title {
  font-family: var(--font-display);
  font-size: var(--text-title);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.caption__blurb {
  margin-top: var(--space-tight);
  font-size: var(--text-small);
  line-height: 1.5;
  color: var(--color-stage-ink-soft);
  max-width: 30ch;
}

.caption__cast {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-hair) var(--space-tight);
  margin-top: var(--space-snug);
}

.tag {
  padding: 0.15rem 0.55rem;
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-stage-ink-soft);
  border: 1px solid var(--hairline-stage);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}

/* Caption swap animation — opacity/transform only. */
.caption[data-swapping="true"] {
  opacity: 0;
  transform: translate3d(0, 10px, 0);
}

.caption {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity var(--duration-normal) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

/* ---------- Loading / error overlay ---------- */

.overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: var(--space-snug);
  padding: var(--space-wide);
  text-align: center;
  background: oklch(15% 0.025 58 / 0.72);
  backdrop-filter: blur(10px);
  transition: opacity var(--duration-normal) var(--ease-soft);
}

.overlay[hidden] {
  display: none;
}

.overlay__ring {
  --progress: 0;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: conic-gradient(
      var(--color-gold) calc(var(--progress) * 1%),
      oklch(96% 0.02 84 / 0.14) 0
    );
  mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 0);
  -webkit-mask: radial-gradient(
    farthest-side,
    transparent calc(100% - 5px),
    #000 0
  );
}

.overlay__percent {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-gold);
  font-variant-numeric: tabular-nums;
}

.overlay__label {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.overlay__hint {
  font-size: var(--text-small);
  color: var(--color-stage-ink-soft);
  max-width: 42ch;
}

.overlay--error .overlay__label {
  color: oklch(78% 0.12 30);
}

.retry-button {
  margin-top: var(--space-tight);
  padding: 0.5rem 1.1rem;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-stage-bottom);
  background: var(--color-gold);
  border-radius: var(--radius-pill);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.retry-button:hover {
  transform: scale(1.03);
}

/* ---------- Toast ---------- */

.toast {
  position: absolute;
  left: 50%;
  bottom: calc(var(--space-wide) + 5.5rem);
  z-index: 5;
  padding: 0.5rem 0.95rem;
  font-size: var(--text-small);
  border-radius: var(--radius-pill);
  background: var(--surface-glass-strong);
  border: 1px solid var(--hairline-stage);
  box-shadow: var(--shadow-dock);
  opacity: 0;
  transform: translate3d(-50%, 8px, 0);
  pointer-events: none;
  transition:
    opacity var(--duration-normal) var(--ease-soft),
    transform var(--duration-normal) var(--ease-out-expo);
}

.toast[data-visible="true"] {
  opacity: 1;
  transform: translate3d(-50%, 0, 0);
}

@media (max-width: 60rem) {
  .caption {
    inset: var(--space-base) auto auto var(--space-base);
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-snug);
    max-width: calc(100% - 2 * var(--space-base));
  }

  .caption__blurb,
  .caption__cast {
    display: none;
  }

  .toast {
    bottom: calc(var(--space-tight) + 4.75rem);
    max-width: calc(100% - 2 * var(--space-base));
  }
}

@media (max-width: 34rem) {
  .caption {
    inset: var(--space-snug) auto auto var(--space-snug);
    gap: var(--space-tight);
  }

  .caption__numeral {
    -webkit-text-stroke-width: 1px;
  }
}

@media (max-height: 32rem) and (orientation: landscape) {
  .caption {
    inset: var(--space-tight) auto auto var(--space-snug);
  }

  .caption__numeral {
    font-size: 2.25rem;
  }

  .caption__title {
    font-size: 1.15rem;
  }
}