.lod-debug-panel {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 19;
  display: none;
  flex-direction: column;
  width: min(320px, 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;
}

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

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

.ld-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;
}

.lod-debug-panel.is-dragging .ld-head {
  cursor: grabbing;
}

.lod-debug-panel.is-dragging {
  opacity: 0.96;
}

.ld-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(167, 139, 250, 0.95);
}

.ld-close {
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.ld-close:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

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

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

.ld-btn {
  padding: 6px 10px;
  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;
  font-weight: 600;
  cursor: pointer;
}

.ld-btn.is-on {
  border-color: rgba(167, 139, 250, 0.65);
  background: rgba(167, 139, 250, 0.18);
  color: rgba(220, 210, 255, 0.98);
}

.ld-hint {
  font-size: 0.68rem;
  color: var(--color-text-muted);
}

.ld-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.ld-range {
  width: 100%;
}

.ld-value {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

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

.ld-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--color-text);
  cursor: pointer;
}

.ld-check input:disabled + span {
  opacity: 0.45;
}

.ld-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, 225, 235, 0.92);
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.06);
  max-height: 280px;
  overflow-y: auto;
}

.ld-legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ld-legend-caption {
  font-size: 0.68rem;
  line-height: 1.35;
  color: rgba(167, 139, 250, 0.88);
  margin-bottom: 2px;
}

.ld-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  opacity: 0.72;
}

.ld-legend-row.is-active {
  opacity: 1;
  color: var(--color-text);
}

.ld-legend-row.is-selected .ld-legend-label {
  font-weight: 600;
}

.ld-legend-row.is-selected .ld-legend-label::after {
  content: ' ◀';
  color: rgba(167, 139, 250, 0.95);
}

.ld-legend-label {
  flex: 1;
  min-width: 0;
}

.ld-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.ld-swatch--live { background: rgba(74, 222, 128, 0.75); }
.ld-swatch--snapshot { background: rgba(34, 211, 238, 0.75); }
.ld-swatch--evicted { background: rgba(251, 146, 60, 0.8); }
.ld-swatch--unstable { background: rgba(250, 204, 21, 0.85); }
.ld-swatch--merge1 { background: rgba(96, 165, 250, 0.8); }
.ld-swatch--merge2 { background: rgba(167, 139, 250, 0.8); }
.ld-swatch--merge3 { background: rgba(244, 114, 182, 0.8); }
.ld-swatch--skipped { background: rgba(200, 120, 255, 0.85); }