/* dev-only：photoreal lighting inspector 浮窗。生产 bundle tree-shake。
   永不在非 dev-mode 显示（CSS rule + JS dynamic import 双保险）。 */
.pr-inspector {
  position: fixed;
  top: 60px;
  right: 16px;
  width: 240px;
  height: 280px;
  z-index: 9000;
  background: var(--surface-1, #fafafa);
  border: 1px solid var(--line-1, #e5e5ea);
  border-radius: 6px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--ink-1, #0d0d0f);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  display: none;
  user-select: none;
}
.pr-inspector.is-open { display: block; }
body:not(.dev-mode) .pr-inspector { display: none !important; }

.pr-inspector header {
  padding: 4px 8px;
  border-bottom: 1px solid var(--line-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: move;
}
.pr-inspector header strong { font-weight: 600; font-size: 11px; }
.pr-inspector .pr-close {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ink-2);
  padding: 0 4px;
  font-size: 14px;
  line-height: 1;
}
.pr-inspector .pr-hdri-thumb {
  width: 100%;
  height: 120px;
  display: block;
  border-bottom: 1px solid var(--line-1);
  background: #000;
}
.pr-inspector .pr-balls {
  width: 100%;
  height: 80px;
  display: block;
  border-bottom: 1px solid var(--line-1);
  background: #888;
}
.pr-inspector .pr-readout {
  padding: 6px 8px;
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 8px;
}
.pr-inspector .pr-readout dt { color: var(--ink-2); }
.pr-inspector .pr-readout dd { margin: 0; }