#main_panels_backdrop {
  position: fixed;
  inset: 0;
  z-index: 9995;
  display: none;
  background: rgba(0, 0, 0, 0);
}

#main_panels_backdrop.visible {
  display: block;
}

.tf-chart-header-button {
  min-width: 88px;
  letter-spacing: 0;
}

.tf-chart-header-button.active {
  color: #f59e0b;
}

#measure_stats_panel {
  position: fixed;
  top: 96px;
  left: 72px;
  z-index: 9997;
  width: 276px;
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 12px;
  background: rgba(11, 18, 32, 0.96);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  color: #e2e8f0;
  font: 12px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}

#measure_stats_panel.visible {
  display: flex;
}

#measure_stats_quick_button {
  position: fixed;
  z-index: 9998;
  width: 56px;
  height: 56px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  color: #e2e8f0;
  cursor: pointer;
  opacity: 1;
}

#measure_stats_quick_button svg {
  width: 32px;
  height: 32px;
  display: block;
  stroke: currentColor;
}

#measure_stats_quick_button.visible {
  display: flex;
}

body.theme-light #measure_stats_quick_button,
body.theme-light #measure_stats_quick_button:hover {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: #111827;
}

.measure-stats-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 600;
}

.measure-stats-panel-close {
  padding: 0;
  border: none;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.measure-stats-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
}

.measure-stats-option {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: inherit;
  white-space: nowrap;
}

.measure-stats-option input {
  flex: 0 0 auto;
}

.measure-stats-panel-tip {
  color: #94a3b8;
}