/*
 * Right-panel tabs (Assets, Anomalies, Sensors) and the time-series chart (js/ui/chart.js).
 * Builds on css/components.css (.block, .kv, .list, .row, .pill, .tag, .filters, .data-table).
 * Chart colours: one accent-coloured series, the expected value and its band in the muted colour, status
 * colours only for status (threshold lines, anomaly windows) and always next to a text label.
 */

/* ---- stacked list rows: headline + detail lines ------------------------------------------------------------- */
.row--stacked {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
}

.row__top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.row__top .row__title {
  flex: 1 1 auto;
  min-width: 0;
}

.row__top .pill {
  flex: none;
}

.row__top-trail {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex: none;
  font-variant-numeric: tabular-nums;
}

.row__unit {
  font-size: var(--fs-min);
  color: var(--muted);
}

.row__line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
  font-size: var(--fs-min);
  color: var(--muted);
}

.row__line > span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row__line > :not(:first-child) {
  flex: none;
}

.row__trail .pill {
  justify-content: flex-end;
}

/* ---- blocks ---------------------------------------------------------------------------------------------- */
.block__subtitle {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-min);
  font-weight: 600;
  color: var(--text);
}

.source-list,
.tag-list,
.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: var(--fs-min);
}

.source-list {
  color: var(--muted);
}

.link-list {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.tag-list code,
.kv__note {
  font-family: var(--font-mono);
  font-size: var(--fs-min);
  color: var(--muted);
}

.kv__stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

span.kv__note {
  font-family: var(--font-sans);
}

.kv--penalties {
  grid-template-columns: minmax(0, 1fr) max-content;
}

.kv dd.num {
  text-align: right;
}

.explanation {
  font-size: var(--fs-body);
  line-height: 1.5;
}

.score-table {
  width: 100%;
  border-collapse: collapse;
}

.score-table th[scope='row'] {
  color: var(--text);
  font-weight: 400;
}

.score-table .is-total th,
.score-table .is-total td {
  font-weight: 700;
  border-bottom: 0;
}

/* ---- health score and latest reading ---------------------------------------------------------------------- */
.health,
.reading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.health__score {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}

.health__value,
.reading__value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  min-width: 2ch;
}

.health__of {
  font-size: var(--fs-min);
  color: var(--muted);
}

.health__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 0;
}

.health__asof {
  font-size: var(--fs-min);
  color: var(--muted);
}

.health__equation {
  margin-top: 6px;
  font-size: var(--fs-min);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.health__penalties {
  min-height: 96px;
}

.trend {
  font-size: var(--fs-body);
  font-variant-numeric: tabular-nums;
}

.trend__arrow {
  display: inline-block;
  width: 1.2em;
  color: var(--muted);
}

.trend__detail {
  color: var(--muted);
}

/* ---- filters ---------------------------------------------------------------------------------------------- */
.filters .select {
  width: 100%;
}

.filters__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.filters__count {
  font-size: var(--fs-min);
  color: var(--muted);
  min-width: 0;
}

/* ---- chart -------------------------------------------------------------------------------------------------- */
.chart {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.small-multiple + .small-multiple {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.small-multiple .skeleton--block,
.chart--compact + .skeleton--block {
  height: 112px;
}

.chart__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.chart__title {
  font-size: var(--fs-min);
  font-weight: 600;
  color: var(--text);
  min-width: 0;
}

.chart__toggle {
  flex: none;
  font-size: var(--fs-min);
}

.chart-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
  font-size: var(--fs-min);
  color: var(--muted);
}

.chart-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.chart-legend__key {
  display: inline-block;
  width: 14px;
  height: 0;
  border-top: 2px solid var(--accent);
  flex: none;
}

.chart-legend__key[data-swatch='expected'] {
  border-top: 1.5px solid var(--muted);
}

.chart-legend__key[data-swatch='band'],
.chart-legend__key[data-swatch='anomaly'],
.chart-legend__key[data-swatch='event'] {
  height: 10px;
  border-top: 0;
  border-radius: 2px;
}

.chart-legend__key[data-swatch='band'] {
  background: rgba(138, 155, 176, 0.3);
}

.chart-legend__key[data-swatch='anomaly'] {
  background: rgba(251, 140, 60, 0.22);
  border-top: 2px solid var(--sev-high);
}

.chart-legend__key[data-swatch='event'] {
  background: rgba(138, 155, 176, 0.16);
  border: 1px solid rgba(138, 155, 176, 0.5);
}

.chart__plot {
  position: relative;
  width: 100%;
  min-width: 0;
  border-radius: var(--radius-sm);
  cursor: crosshair;
}

.chart__plot:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.chart__svg {
  display: block;
  overflow: visible;
}

.chart__svg text {
  font-family: var(--font-sans);
  font-size: 12px;
  fill: var(--muted);
  font-variant-numeric: tabular-nums;
}

.chart__grid line,
.chart__baseline,
.chart__tickmark {
  stroke: var(--line);
  stroke-width: 1;
  shape-rendering: crispEdges;
}

.chart__observed {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart--compact .chart__observed,
.chart--spark .chart__observed {
  stroke-width: 1.5;
}

.chart__expected {
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.25;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart__band {
  fill: var(--muted);
  fill-opacity: 0.16;
  stroke: none;
}

.chart__window[data-tone='event'] {
  fill: var(--muted);
  fill-opacity: 0.13;
}

.chart__window[data-tone='anomaly'] {
  fill: var(--sev-medium);
  fill-opacity: 0.1;
}

.chart__window[data-severity='low'],
.chart__window-rule[data-severity='low'] { fill: var(--sev-low); }
.chart__window[data-severity='medium'],
.chart__window-rule[data-severity='medium'] { fill: var(--sev-medium); }
.chart__window[data-severity='high'],
.chart__window-rule[data-severity='high'] { fill: var(--sev-high); }
.chart__window[data-severity='critical'],
.chart__window-rule[data-severity='critical'] { fill: var(--sev-critical); }

.chart__window[data-emphasised='true'] {
  fill-opacity: 0.16;
}

.chart__window-rule {
  fill-opacity: 0.95;
}

.chart__ref {
  stroke-width: 1;
  shape-rendering: crispEdges;
  stroke: var(--muted);
}

.chart__ref[data-tone='warn'] { stroke: var(--status-watch); }
.chart__ref[data-tone='crit'] { stroke: var(--status-critical); }

.chart__svg text.chart__ref-label {
  fill: var(--text);
  paint-order: stroke;
  stroke: var(--card);
  stroke-width: 3px;
  stroke-linejoin: round;
}

.chart__cursor {
  stroke: var(--text);
  stroke-width: 1;
  shape-rendering: crispEdges;
}

.chart__crosshair {
  stroke: var(--muted);
  stroke-width: 1;
  shape-rendering: crispEdges;
  pointer-events: none;
}

.chart__dot {
  fill: var(--accent);
  stroke: var(--card);
  stroke-width: 2;
  pointer-events: none;
}

.chart__tooltip {
  position: absolute;
  top: 4px;
  z-index: 3;
  min-width: 150px;
  max-width: 230px;
  padding: 6px 8px;
  background: var(--overlay);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: var(--fs-min);
  pointer-events: none;
}

.chart__tooltip-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.chart__tooltip-rows {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 1px 8px;
  font-variant-numeric: tabular-nums;
}

.chart__tooltip-value {
  text-align: right;
}

.chart__tooltip-value.is-strong {
  font-weight: 700;
}

.chart__tooltip-label {
  color: var(--muted);
}

.chart__tooltip-note {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.chart__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  font-size: var(--fs-min);
  color: var(--muted);
}

.chart__table {
  max-height: 240px;
  overflow: auto;
}

.chart__table .data-table {
  width: 100%;
  border-collapse: collapse;
}

.chart__table thead th {
  position: sticky;
  top: 0;
  background: var(--card);
}

.chart__table tbody th {
  font-weight: 400;
  color: var(--text);
  white-space: nowrap;
}

.chart__table tr.is-current th,
.chart__table tr.is-current td {
  background: var(--accent-soft);
}

@media (forced-colors: active) {
  .chart__observed { stroke: CanvasText; }
  .chart__expected { stroke: GrayText; }
  .chart__cursor { stroke: Highlight; }
}