/*
 * PSIM public chart system v4.
 * Additive companion to the immutable site_20260826_v3.css asset.
 * Square geometry, flat colour, direct labels and an accessible data table.
 */

[data-psim-chart] {
  --chart-ink: var(--ink, #13191f);
  --chart-copy: var(--copy, #343d45);
  --chart-muted: var(--muted, #626b72);
  --chart-line: var(--line, #d5d7d4);
  --chart-line-strong: var(--line-strong, #aeb4b3);
  --chart-paper: var(--paper, #f5f4ef);
  --chart-white: var(--white, #ffffff);
  --chart-blue: var(--blue, #264f70);
  --chart-blue-dark: var(--blue-dark, #193a55);
  --chart-blue-light: #6f8798;
  --chart-rust: #7a4d45;
  --chart-rust-soft: #eee7e3;
  --chart-sans: var(--sans, Arial, "Helvetica Neue", Helvetica, sans-serif);
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 20px 20px 16px;
  overflow: hidden;
  background: var(--chart-white);
  container-type: inline-size;
  border-radius: 0 !important;
  box-shadow: none !important;
}

[data-psim-chart][aria-busy="true"] {
  cursor: progress;
}

[data-psim-chart] .psim-chart__svg {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  overflow: visible;
  color: var(--chart-ink);
  shape-rendering: geometricPrecision;
}

[data-psim-chart] .psim-chart__grid,
[data-psim-chart] .psim-chart__axis,
[data-psim-chart] .psim-chart__connector {
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__grid {
  stroke: var(--chart-line);
  stroke-width: 1;
}

[data-psim-chart] .psim-chart__grid--base {
  stroke: var(--chart-line-strong);
  stroke-dasharray: 3 4;
}

[data-psim-chart] .psim-chart__axis {
  stroke: var(--chart-line-strong);
  stroke-width: 1;
}

[data-psim-chart] .psim-chart__axis-label,
[data-psim-chart] .psim-chart__date-label,
[data-psim-chart] .psim-chart__eyebrow,
[data-psim-chart] .psim-chart__status-label,
[data-psim-chart] .psim-chart__marker-label {
  fill: var(--chart-muted);
  font-family: var(--chart-sans);
  font-variant-numeric: tabular-nums;
}

[data-psim-chart] .psim-chart__axis-label,
[data-psim-chart] .psim-chart__date-label {
  font-size: 11px;
}

[data-psim-chart] .psim-chart__eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
}

[data-psim-chart] .psim-chart__series {
  fill: none;
  stroke-linecap: square;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__series--0 {
  stroke: var(--chart-blue-dark);
  stroke-width: 2.4;
}

[data-psim-chart] .psim-chart__series--1 {
  stroke: var(--chart-blue-light);
  stroke-width: 1.8;
}

[data-psim-chart] .psim-chart__series--2 {
  stroke: var(--chart-ink);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
}

[data-psim-chart] .psim-chart__endpoint--0 { fill: var(--chart-blue-dark); }
[data-psim-chart] .psim-chart__endpoint--1 { fill: var(--chart-blue-light); }
[data-psim-chart] .psim-chart__endpoint--2 { fill: var(--chart-ink); }

[data-psim-chart] .psim-chart__direct-label {
  fill: var(--chart-ink);
  font-family: var(--chart-sans);
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

[data-psim-chart] .psim-chart__connector {
  stroke: var(--chart-line-strong);
  stroke-width: 1;
}

[data-psim-chart] .psim-chart__drawdown-field {
  fill: var(--chart-rust-soft);
}

[data-psim-chart] .psim-chart__drawdown-line {
  fill: none;
  stroke: var(--chart-rust);
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__drawdown-mark {
  fill: var(--chart-rust);
}

[data-psim-chart] .psim-chart__drawdown-label {
  fill: var(--chart-rust);
  font-family: var(--chart-sans);
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

[data-psim-chart] .psim-chart__bar-track {
  fill: var(--chart-paper);
  stroke: var(--chart-line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__bar {
  shape-rendering: crispEdges;
}

[data-psim-chart] .psim-chart__bar--verified,
[data-psim-chart] .psim-chart__bar--active {
  fill: var(--chart-blue-dark);
}

[data-psim-chart] .psim-chart__bar--passed {
  fill: var(--chart-blue-light);
}

[data-psim-chart] .psim-chart__bar--failed {
  fill: var(--chart-rust-soft);
  stroke: var(--chart-rust);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__bar--inconclusive {
  fill: var(--chart-white);
  stroke: var(--chart-line-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__row-label,
[data-psim-chart] .psim-chart__value-label {
  fill: var(--chart-ink);
  font-family: var(--chart-sans);
  font-variant-numeric: tabular-nums;
}

[data-psim-chart] .psim-chart__row-label {
  font-size: 12px;
  font-weight: 700;
}

[data-psim-chart] .psim-chart__value-label {
  font-size: 11px;
  font-weight: 700;
}

[data-psim-chart] .psim-chart__status-label,
[data-psim-chart] .psim-chart__marker-label {
  font-size: 9px;
  letter-spacing: .025em;
}

[data-psim-chart] .psim-chart__capacity-marker {
  stroke: var(--chart-ink);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  vector-effect: non-scaling-stroke;
}

[data-psim-chart] .psim-chart__capacity-marker--test-boundary {
  stroke: var(--chart-rust);
}

[data-psim-chart] .psim-chart__caption {
  margin: 14px -20px -16px;
  padding: 13px 20px 15px;
  border-top: 1px solid var(--chart-line);
  color: var(--chart-muted);
  font: 10px/1.55 var(--chart-sans);
}

[data-psim-chart] .psim-chart__data {
  margin: 14px -20px 0;
  border-top: 1px solid var(--chart-line);
  color: var(--chart-copy);
  font: 11px/1.45 var(--chart-sans);
}

[data-psim-chart] .psim-chart__data summary {
  min-height: 42px;
  padding: 12px 20px;
  color: var(--chart-ink);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: .025em;
  list-style-position: inside;
}

[data-psim-chart] .psim-chart__data summary:focus-visible {
  outline: 2px solid var(--chart-blue);
  outline-offset: -3px;
}

[data-psim-chart] .psim-chart__table-wrap {
  max-height: 360px;
  overflow: auto;
  overscroll-behavior-inline: contain;
  border-top: 1px solid var(--chart-line);
}

[data-psim-chart] .psim-chart__table-wrap:focus-visible {
  outline: 3px solid var(--chart-blue);
  outline-offset: -3px;
}

[data-psim-chart] .psim-chart__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--chart-white);
  font-variant-numeric: tabular-nums;
}

[data-psim-chart] .psim-chart__table caption {
  padding: 11px 20px;
  color: var(--chart-muted);
  text-align: left;
}

[data-psim-chart] .psim-chart__table th,
[data-psim-chart] .psim-chart__table td {
  padding: 9px 12px;
  border-right: 1px solid var(--chart-line);
  border-bottom: 1px solid var(--chart-line);
  text-align: right;
  white-space: nowrap;
}

[data-psim-chart] .psim-chart__table th:first-child,
[data-psim-chart] .psim-chart__table td:first-child {
  padding-left: 20px;
  text-align: left;
}

[data-psim-chart] .psim-chart__table th:last-child,
[data-psim-chart] .psim-chart__table td:last-child {
  border-right: 0;
}

[data-psim-chart] .psim-chart__table thead th {
  position: sticky;
  z-index: 1;
  top: 0;
  background: var(--chart-paper);
  color: var(--chart-ink);
  font-size: 9px;
  letter-spacing: .045em;
  text-transform: uppercase;
}

[data-psim-chart] .psim-chart__fallback,
[data-psim-chart] [data-chart-fallback] {
  min-height: 280px;
  margin: 0;
  padding: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--chart-line);
  background: var(--chart-paper);
  color: var(--chart-muted);
  text-align: center;
  font: 12px/1.6 var(--chart-sans);
}

[data-psim-chart][data-chart-state="failed"]::before {
  content: "Evidence unavailable";
  position: absolute;
  top: 29px;
  left: 32px;
  color: var(--chart-ink);
  font: 700 9px/1 var(--chart-sans);
  letter-spacing: .08em;
  text-transform: uppercase;
}

@container (max-width: 560px) {
  [data-psim-chart] {
    padding: 14px 12px 12px;
  }

  [data-psim-chart] .psim-chart__caption {
    margin: 12px -12px -12px;
    padding: 12px;
  }

  [data-psim-chart] .psim-chart__data {
    margin: 12px -12px 0;
  }

  [data-psim-chart] .psim-chart__data summary,
  [data-psim-chart] .psim-chart__table caption {
    padding-inline: 12px;
  }

  [data-psim-chart] .psim-chart__table th,
  [data-psim-chart] .psim-chart__table td {
    padding: 8px 9px;
  }

  [data-psim-chart] .psim-chart__table th:first-child,
  [data-psim-chart] .psim-chart__table td:first-child {
    padding-left: 12px;
  }
}

@media (max-width: 540px) {
  .chart-stage[data-psim-chart] {
    min-height: 0;
  }

  .chart-stage[data-psim-chart] .psim-chart__svg {
    height: auto;
    min-height: 0;
  }
}

@media (prefers-contrast: more) {
  [data-psim-chart] {
    --chart-line: #8b9296;
    --chart-line-strong: #535c62;
    --chart-blue-light: #385b75;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-psim-chart] *,
  [data-psim-chart] *::before,
  [data-psim-chart] *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media print {
  [data-psim-chart] {
    break-inside: avoid;
    border: 1px solid #9a9a9a;
  }

  [data-psim-chart] .psim-chart__data {
    display: none;
  }
}