/* charts: the few HTML overlays drawn over each canvas. Colours come from the same --chart-* properties the
   canvases read, so one set of variables themes both. Give the container a height; the chart fills it. */

.chart-root {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  overflow: hidden;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  font-family: var(--chart-font, ui-monospace, "SF Mono", Consolas, monospace);
}

.chart-root:focus-visible {
  border-radius: 6px;
  box-shadow: 0 0 0 2px var(--chart-accent, #ccff00);
}

.chart-candles {
  cursor: crosshair;
}

.chart-candles:active {
  cursor: grabbing;
}

.chart-line {
  cursor: crosshair;
}

.chart-canvas {
  position: absolute;
  inset: 0;
}

/* The candle chart's hovered bar, over its top-left corner and out of the layout so it never moves it. */
.chart-legend {
  position: absolute;
  top: 4px;
  left: 2px;
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  max-width: calc(100% - 84px);
  margin: 0;
  font-size: 12px;
  color: var(--chart-muted, #81817e);
  pointer-events: none;
}

/* On a narrow chart the values wrap to a second line instead of running under the price axis. */
.chart-legend div {
  display: flex;
  gap: 4px;
  white-space: nowrap;
}

.chart-legend dd {
  margin: 0;
  color: var(--chart-text, #f4f4f2);
  font-variant-numeric: tabular-nums;
}

.chart-legend dd[data-sign="1"] {
  color: var(--chart-up, #0ecb81);
}

.chart-legend dd[data-sign="-1"] {
  color: var(--chart-down, #f6465d);
}

/* Shown once the reader has stretched the price axis; puts prices back on the bars on screen. */
.chart-auto {
  position: absolute;
  right: 70px;
  bottom: 34px;
  min-height: 26px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: rgb(255 255 255 / 12%);
  color: var(--chart-text, #f4f4f2);
  font: 500 12px/1 inherit;
  cursor: pointer;
  transition: background-color 160ms ease, transform 160ms cubic-bezier(0.22, 1, 0.36, 1);
}

.chart-auto:hover {
  background: rgb(255 255 255 / 18%);
}

.chart-auto:active {
  transform: scale(0.96);
}

.chart-auto[hidden] {
  display: none;
}

/* The latest point: a dot with a ring that grows out of it and fades. */
.chart-last-dot {
  position: absolute;
  top: -4px;
  left: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chart-dot, var(--chart-accent, #ccff00));
  box-shadow: 0 0 0 2px var(--chart-surface, #0b0b0c);
  opacity: 0;
  pointer-events: none;
}

.chart-last-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  animation: chart-pulse 1.8s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

@keyframes chart-pulse {
  from {
    opacity: 0.6;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(3.2);
  }
}

/* The hover card for the depth chart and the heatmap. */
.chart-tip {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  gap: 4px;
  min-width: 168px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--chart-label, #2a2a2a);
  box-shadow: 0 8px 24px -8px rgb(0 0 0 / 60%), inset 0 0 0 1px rgb(255 255 255 / 6%);
  font-size: 12px;
  pointer-events: none;
}

.chart-tip[hidden] {
  display: none;
}

.chart-tip div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.chart-tip span {
  color: var(--chart-muted, #81817e);
}

.chart-tip b {
  color: var(--chart-text, #f4f4f2);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.chart-tip[data-side="bid"] div:first-child b {
  color: var(--chart-up, #0ecb81);
}

.chart-tip[data-side="ask"] div:first-child b {
  color: var(--chart-down, #f6465d);
}

@media (prefers-reduced-motion: reduce) {
  .chart-last-dot::after {
    animation: none;
    opacity: 0;
  }
}