.light-debug-panel {
  position: absolute;
  left: 16px;
  top: 72px;
  z-index: 19;
  display: none;
  flex-direction: column;
  width: min(340px, calc(100vw - 24px));
  max-height: min(72vh, calc(100% - 32px));
  border-radius: var(--radius-md);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  pointer-events: auto;
}

.light-debug-panel.is-open {
  display: flex;
}

[data-ui-draggable].light-debug-panel.is-ui-dragged {
  z-index: 40;
}

.lt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.light-debug-panel.is-dragging .lt-head {
  cursor: grabbing;
}

.lt-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 210, 120, 0.95);
}

.lt-close {
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
}

.lt-body {
  overflow-y: auto;
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lt-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lt-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.lt-btn {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: 0.78rem;
  cursor: pointer;
}

.lt-btn.is-on {
  border-color: rgba(255, 200, 100, 0.55);
  background: rgba(255, 180, 60, 0.14);
  color: rgba(255, 220, 140, 0.98);
}

.lt-hint {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.lt-range {
  width: 100%;
}

.lt-value {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lt-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lt-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.78rem;
  cursor: pointer;
}

.lt-legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.74rem;
}

.lt-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lt-swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.lt-readout {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1.45;
  white-space: pre-wrap;
  color: rgba(220, 235, 255, 0.92);
  background: rgba(0, 0, 0, 0.22);
  border-radius: var(--radius-sm);
  padding: 8px;
  max-height: 200px;
  overflow-y: auto;
}