/* Pro chart (Lightweight Charts) and the trade tape beneath it. Both pages
   stack them inside `.chart-stack`; the chart card owns its toolbar, legend
   and stage, the library paints the canvases inside `.pro-chart__canvas`. */

.chart-stack {
  display: grid;
  gap: var(--space-4);
  min-inline-size: 0;
}

.pro-chart {
  display: grid;
  gap: var(--space-3);
  min-inline-size: 0;
  padding: var(--space-4) var(--space-5) var(--space-5);
  border: var(--border-default);
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  box-shadow: var(--shadow-sm);
}

/* Toolbar --------------------------------------------------------------- */

.pro-chart__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.pro-chart__symbol {
  display: flex;
  flex: 1 1 auto;
  align-items: baseline;
  gap: var(--space-2-5);
  min-inline-size: 0;
}

.pro-chart__title {
  margin: var(--space-0);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-snug);
  white-space: nowrap;
}

.pro-chart__title small {
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.pro-chart__note {
  overflow: hidden;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.pro-chart__resolutions {
  display: inline-flex;
  gap: var(--space-0-5);
  padding: var(--space-0-5);
  border: var(--border-subtle);
  border-radius: var(--radius-hud);
  background: var(--surface-well);
}

.pro-chart__res,
.pro-chart__reset {
  min-inline-size: 2.25rem;
  padding: var(--space-1) var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  cursor: pointer;
  transition: var(--transition-colors);
}

.pro-chart__res:hover,
.pro-chart__reset:hover {
  color: var(--color-text);
}

.pro-chart__res[aria-checked="true"] {
  border-color: var(--color-border);
  background: var(--color-surface-active);
  color: var(--color-text);
}

.pro-chart__res:focus-visible,
.pro-chart__reset:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.pro-chart__reset {
  border-color: var(--color-border-subtle);
  background: var(--surface-well);
}

.pro-chart[data-loading="true"] .pro-chart__resolutions {
  opacity: 0.6;
}

.pro-chart__status {
  flex: none;
  padding: var(--space-1) var(--space-2-5);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-pill);
  background: var(--color-warning-soft);
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.pro-chart__status[hidden] {
  display: none;
}

/* Stage ----------------------------------------------------------------- */

.pro-chart__stage {
  position: relative;
  block-size: 26rem;
  min-inline-size: 0;
  overflow: hidden;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-raised);
}

.pro-chart__canvas {
  position: absolute;
  inset: 0;
}

.pro-chart[data-state="loading"] .pro-chart__canvas {
  visibility: hidden;
}

.pro-chart__skeleton {
  position: absolute;
  inset: var(--space-4);
}

.pro-chart__skeleton[hidden] {
  display: none;
}

/* Legend: a strip between the toolbar and the plot so it never collides with
   axis labels or the off-scale pins, whatever the viewport. */
.pro-chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-0-5) var(--space-3);
  min-block-size: 1.25rem;
  margin-block-start: calc(var(--space-1) * -1);
  padding-inline: var(--space-1);
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.pro-chart__legend-time {
  color: var(--color-text-secondary);
}

.pro-chart__legend-item b {
  margin-inline-start: var(--space-1);
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

.pro-chart__legend[data-tone="up"] .pro-chart__legend-item b,
.pro-chart__legend[data-tone="up"] .pro-chart__legend-change {
  color: var(--color-success);
}

.pro-chart__legend[data-tone="down"] .pro-chart__legend-item b,
.pro-chart__legend[data-tone="down"] .pro-chart__legend-change {
  color: var(--color-error);
}

.pro-chart__legend-count {
  color: var(--color-text-subtle);
}

.pro-chart__offscale {
  position: absolute;
  inset-inline-end: 4.75rem;
  z-index: 2;
  display: grid;
  gap: var(--space-1);
  justify-items: end;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.pro-chart__offscale[data-chart-offscale="above"] {
  inset-block-start: var(--space-2);
}

/* Sits just above the volume pane, which takes the bottom 22% of the stage. */
.pro-chart__offscale[data-chart-offscale="below"] {
  inset-block-end: calc(22% + var(--space-2));
}

.pro-chart__offscale > span {
  padding: var(--space-0-5) var(--space-1-5);
  border-radius: var(--radius-xs);
  background: rgb(10 10 10 / 0.72);
}

.pro-chart__offscale[hidden] {
  display: none;
}

.pro-chart__empty {
  position: absolute;
  inset-block-start: 50%;
  inset-inline: 0;
  z-index: 2;
  margin: var(--space-0);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  transform: translateY(-50%);
  pointer-events: none;
}

.pro-chart__empty[hidden] {
  display: none;
}

/* Trade tape ------------------------------------------------------------ */

.trade-tape {
  display: grid;
  gap: var(--space-2);
  min-inline-size: 0;
  padding: var(--space-4) var(--space-5);
  border: var(--border-default);
  border-radius: var(--radius-card);
  background: var(--surface-panel);
  box-shadow: var(--shadow-sm);
}

.trade-tape__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
}

.trade-tape__title {
  margin: var(--space-0);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.trade-tape__count {
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
}

.trade-tape__list {
  max-block-size: 13.5rem;
  margin: var(--space-0);
  padding: var(--space-0);
  overflow-y: auto;
  overscroll-behavior-y: contain;
  list-style: none;
  border-block-start: var(--border-default);
}

.trade-tape__row {
  display: grid;
  grid-template-columns: 4.75rem 3rem 7.5rem 7.5rem 1.5rem;
  justify-content: start;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-1-5) var(--space-1);
  border-block-end: 1px solid var(--color-divider);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.trade-tape__row.is-new {
  animation: trade-tape-in var(--duration-slower) var(--ease-out);
}

.trade-tape__time {
  color: var(--color-text-subtle);
}

.trade-tape__side {
  font-weight: var(--weight-semibold);
}

.trade-tape__row[data-side="buy"] .trade-tape__side {
  color: var(--color-success);
}

.trade-tape__row[data-side="sell"] .trade-tape__side {
  color: var(--color-error);
}

.trade-tape__size {
  color: var(--color-text);
  text-align: end;
}

.trade-tape__price {
  color: var(--color-text-secondary);
  text-align: end;
}

.trade-tape__tx {
  color: var(--color-text-subtle);
  text-align: center;
  text-decoration: none;
}

.trade-tape__tx:hover {
  color: var(--color-accent);
}

.trade-tape__empty {
  margin: var(--space-0);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.trade-tape__empty[hidden] {
  display: none;
}

@keyframes trade-tape-in {
  0% {
    background: var(--color-highlight);
  }

  100% {
    background: transparent;
  }
}

/* Motion and viewport --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .pro-chart__res,
  .pro-chart__reset {
    transition: none;
  }

  .trade-tape__row.is-new {
    animation: none;
  }
}

@media (max-width: 40rem) {
  .pro-chart {
    padding: var(--space-3);
  }

  .pro-chart__symbol {
    flex-basis: 100%;
  }

  .pro-chart__stage {
    block-size: 19rem;
  }

  .trade-tape {
    padding: var(--space-3);
  }

  .trade-tape__row {
    grid-template-columns: 4.25rem 2.5rem minmax(0, 1fr) minmax(0, 1fr) 1.25rem;
    gap: var(--space-2);
  }
}