.metrics-chart {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

.metrics-lanes {
  flex: 1 1 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.metrics-lane {
  flex: 1 1 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 32px;
  align-items: stretch;
  min-height: 0;
  border-bottom: 1px solid var(--border);
}

.metrics-lane:last-of-type {
  border-bottom: none;
}

.metrics-lane-label {
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-right: 1px solid var(--border);
}

.metrics-lane-plot {
  position: relative;
  min-width: 0;
  min-height: 0;
}

.metrics-lane-canvas {
  position: absolute;
  inset: 4px 0;
}

.metrics-lane-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.metrics-lane-path {
  fill: none;
  stroke: var(--text-primary);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.metrics-lane-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-primary);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.metrics-lane-dot[data-active="true"] {
  width: 7px;
  height: 7px;
}

.metrics-lane-tooltip {
  position: absolute;
  padding: 2px 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
}

.metrics-lane-tooltip[data-placement="above"] {
  transform: translate(-50%, calc(-100% - 6px));
}

.metrics-lane-tooltip[data-placement="below"] {
  transform: translate(-50%, 6px);
}

.metrics-lane-highlight {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--text-primary);
  opacity: 0.7;
  pointer-events: none;
}

.metrics-lane-ticks {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  padding: 2px 6px;
  border-left: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
  font-size: 9px;
}

.metrics-hits {
  position: absolute;
  inset: 0 32px 0 18px;
  display: block;
  pointer-events: none;
}

.metrics-hit {
  position: absolute;
  top: 0;
  bottom: 0;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  pointer-events: auto;
}

.metrics-hit:hover {
  background: color-mix(in srgb, var(--text-primary) 5%, transparent);
}

.metrics-axis {
  flex: 0 0 auto;
  position: relative;
  height: 20px;
  margin: 0 32px 0 18px;
  border-top: 1px solid var(--border);
}

.metrics-axis-label {
  position: absolute;
  top: 2px;
  transform: translateX(-50%);
  font-variant-numeric: tabular-nums;
  font-size: 9px;
  white-space: nowrap;
}