/* robot-3d.qmd: the interactive DotBot v3 model. Colours come from the site tokens,
   so the panel follows the light / dark toggle. */
.db-robot3d { margin: 1.5rem 0 2rem; }

.r3d-stage {
  position: relative;
  height: min(68vh, 620px);
  min-height: 340px;
  border: 1px solid var(--db-line);
  border-radius: 14px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 50% 35%, var(--db-elevated), transparent 75%),
    var(--db-surface);
  touch-action: none;
}
.r3d-stage canvas { display: block; width: 100%; height: 100%; cursor: grab; }
.r3d-stage canvas:active { cursor: grabbing; }

.r3d-views {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.r3d-views button,
.r3d-legend button {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--db-muted);
  background: var(--db-surface);
  border: 1px solid var(--db-line);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  cursor: pointer;
}
.r3d-views button:hover,
.r3d-legend button:hover { color: var(--db-text); }
.r3d-views button.is-active,
.r3d-legend button.is-active {
  color: var(--db-accent-ink);
  border-color: var(--db-accent);
  background: var(--db-accent-tint);
}

.r3d-hint {
  position: absolute;
  right: 0.85rem;
  bottom: 0.6rem;
  font-size: 0.78rem;
  color: var(--db-dim);
  pointer-events: none;
}
.r3d-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--db-muted);
  pointer-events: none;
}

.r3d-tip {
  position: absolute;
  top: 0;
  left: 0;
  max-width: 19rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--db-line);
  border-left: 3px solid var(--db-accent);
  border-radius: 8px;
  background: var(--db-surface);
  color: var(--db-text);
  font-size: 0.85rem;
  line-height: 1.35;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  pointer-events: none;
  z-index: 2;
}
.r3d-tip .r3d-ref { color: var(--db-muted); font-family: var(--db-mono); font-size: 0.78rem; }
.r3d-tip .r3d-role { display: block; margin-top: 0.2rem; color: var(--db-muted); }

.r3d-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.db-robot3d figcaption {
  margin-top: 0.75rem;
  color: var(--db-muted);
  font-size: 0.92rem;
}

.r3d-stage [hidden] { display: none !important; }
.r3d-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}

/* Embedded on another page (step 2, the deck): no legend, a shorter stage. */
.db-robot3d-embed { margin: 0; }
.db-robot3d-embed .r3d-stage { height: min(56vh, 480px); min-height: 300px; }