/* src/primitives.css */
/* ===========================================================================
   Artifact primitives.

   Every colour, font, radius and shadow here comes from a theme token. This
   file defines no palette of its own, so swapping the theme file swaps the
   whole look. The only literal colour words allowed are transparent and
   currentColor.
   =========================================================================== */

/* ------------------------------------------------------------ content base */

/*
 * Two widths, one column. Prose is held at the measure because long lines are
 * hard to read; tables, charts, counters and column layouts run to the full
 * width because squeezing data into a text column wastes the page. Everything
 * shares a left edge, so the comment pins in the margin stay beside the text.
 */
.art-content {
  box-sizing: border-box;
  max-width: 900px;
  margin-inline: auto;
  padding-inline: 16px;
  /* Prose runs in the theme's body face; chrome, data and labels stay sans. */
  font-family: var(--art-font-body);
  font-size: var(--art-font-size);
  line-height: var(--art-line-height);
  color: var(--art-text);
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  font-optical-sizing: auto;
  font-variant-numeric: proportional-nums;
}

.art-content *,
.art-content *::before,
.art-content *::after {
  box-sizing: border-box;
}

.art-content > :first-child {
  margin-top: 0;
}

.art-content > :last-child {
  margin-bottom: 0;
}

/* Held at the measure. */
.art-content > p,
.art-content > h1,
.art-content > h2,
.art-content > h3,
.art-content > h4,
.art-content > ul,
.art-content > ol,
.art-content > blockquote,
.art-content > art-callout,
.art-content > art-card,
.art-content > art-details,
.art-content > pre:not(:has(> art-chart)):not(:has(> art-table)):not(:has(> art-embed)) {
  max-width: var(--art-measure);
}

/* Headings ---------------------------------------------------------------- */

/* A heading belongs to what follows it, so the space above is roughly three
   times the space below. No rules under headings: weight and air do that job. */
.art-content h1,
.art-content h2,
.art-content h3,
.art-content h4 {
  font-family: var(--art-font-display);
  margin: 1.9em 0 0.55em;
  font-weight: 620;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--art-text);
  text-wrap: balance;
}

.art-content h1 {
  font-size: 2em;
  letter-spacing: -0.032em;
  margin-top: 0.2em;
}

.art-content h2 {
  font-size: 1.45em;
  letter-spacing: -0.026em;
}

.art-content h3 {
  font-size: 1.12em;
  letter-spacing: -0.016em;
}

.art-content h4 {
  font-size: 0.78em;
  font-weight: 640;
  color: var(--art-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.7em;
}

.art-content h1 + p,
.art-content h2 + p,
.art-content h3 + p {
  margin-top: 0;
}

/* Text -------------------------------------------------------------------- */

.art-content p {
  margin: 0 0 1.05em;
  text-wrap: pretty;
}

.art-content a {
  color: var(--art-link);
  text-decoration-color: var(--art-border-strong);
  text-underline-offset: 2px;
}

.art-content a:hover {
  text-decoration-color: currentColor;
}

.art-content strong {
  font-weight: 650;
  color: var(--art-text);
}

.art-content small {
  font-size: 0.85em;
  color: var(--art-text-muted);
}

.art-content ul,
.art-content ol {
  margin: 0 0 1em;
  padding-left: 1.5em;
}

.art-content li {
  margin: 0.25em 0;
}

.art-content li::marker {
  color: var(--art-text-faint);
}

.art-content li > ul,
.art-content li > ol {
  margin-bottom: 0;
}

.art-content blockquote {
  margin: 1.2em 0;
  padding: 0.2em 0 0.2em 1em;
  border-left: 3px solid var(--art-border-strong);
  color: var(--art-text-muted);
}

.art-content blockquote > :last-child {
  margin-bottom: 0;
}

.art-content hr {
  height: 1px;
  margin: 2em 0;
  border: 0;
  background: var(--art-border);
}

.art-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--art-radius);
}

.art-content figure {
  margin: 1.2em 0;
}

.art-content figcaption {
  margin-top: 0.5em;
  font-size: 0.85em;
  color: var(--art-text-muted);
}

/* Code -------------------------------------------------------------------- */

.art-content code {
  padding: 0.12em 0.34em;
  font-family: var(--art-font-mono);
  font-size: 0.85em;
  font-variant-ligatures: none;
  background: var(--art-surface-2);
  border: 1px solid var(--art-hairline);
  border-radius: var(--art-radius-sm);
}

.art-content pre {
  margin: 1.4em 0;
  padding: var(--art-space-4);
  overflow-x: auto;
  background: var(--art-surface-2);
  border: 1px solid var(--art-hairline);
  border-radius: var(--art-radius);
  line-height: 1.55;
  scrollbar-width: thin;
}

.art-content pre code {
  padding: 0;
  font-size: 0.86em;
  background: transparent;
  border: 0;
  border-radius: 0;
}

/* A chart, table or embed reaches the page inside the <pre> the pipeline emits
   for the fence it was written as. The element inside draws the container, so
   the wrapper sheds its code-block skin. Without this every one of them sits in
   a box inside a box, and a table inherits the <pre>'s monospace font. */
.art-content pre:has(> art-chart),
.art-content pre:has(> art-table),
.art-content pre:has(> art-embed) {
  margin: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  font: inherit;
  white-space: normal;
}

/* GFM tables -------------------------------------------------------------- */

/* The table stays in normal flow so its sticky header works; corner radii are
   set on the corner cells because overflow clipping is unreliable on tables.
   Narrow screens trade the sticky header for a horizontal scroll (see below). */
.art-content table {
  width: 100%;
  max-width: 100%;
  margin: 1.5em 0;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--art-font-sans);
  font-size: 0.88em;
  line-height: 1.45;
  background: var(--art-surface);
  border: 1px solid var(--art-hairline);
  border-radius: var(--art-radius);
  box-shadow: var(--art-shadow-sm);
}

.art-content th,
.art-content td {
  padding: 9px 14px;
  text-align: left;
  border-bottom: 1px solid var(--art-hairline);
}

.art-content thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  font-size: 0.86em;
  font-weight: 620;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--art-text-faint);
  background: var(--art-surface);
  border-bottom: 1px solid var(--art-border);
  white-space: nowrap;
}

.art-content tbody tr:hover {
  background: var(--art-surface-2);
}

.art-content tbody tr:last-child th,
.art-content tbody tr:last-child td {
  border-bottom: 0;
}

.art-content thead th:first-child {
  border-top-left-radius: var(--art-radius);
}

.art-content thead th:last-child {
  border-top-right-radius: var(--art-radius);
}

.art-content tbody tr:last-child td:first-child {
  border-bottom-left-radius: var(--art-radius);
}

.art-content tbody tr:last-child td:last-child {
  border-bottom-right-radius: var(--art-radius);
}

.art-content th.num,
.art-content td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------- elements */

art-card,
art-callout,
art-kpis,
art-kpi,
art-columns,
art-col,
art-tabs,
art-tab,
art-details,
art-table,
art-chart,
art-embed,
art-error {
  display: block;
}

/* Giving a custom element an explicit display beats the browser's own rule for
   the hidden attribute, so the inactive tab panel would stay on the page. */
art-kpis[hidden],
art-kpi[hidden],
art-columns[hidden],
art-col[hidden],
art-tabs[hidden],
art-tab[hidden],
art-details[hidden],
art-table[hidden],
art-chart[hidden],
art-embed[hidden] {
  display: none;
}

/* Card -------------------------------------------------------------------- */

art-card {
  margin: 1.5em 0;
  padding: var(--art-space-5);
  background: var(--art-surface);
  border: 1px solid var(--art-hairline);
  border-radius: var(--art-radius-lg);
  box-shadow: var(--art-shadow-sm);
}

.art-card__head {
  margin-bottom: var(--art-space-3);
}

.art-card__title {
  font-family: var(--art-font-display);
  font-size: 1em;
  font-weight: 620;
  letter-spacing: -0.014em;
  line-height: 1.3;
  color: var(--art-text);
}

.art-card__subtitle {
  margin-top: 2px;
  font-size: 0.9em;
  color: var(--art-text-muted);
}

.art-card__body > :first-child {
  margin-top: 0;
}

.art-card__body > :last-child {
  margin-bottom: 0;
}

/* Callout ----------------------------------------------------------------- */

art-callout {
  display: flex;
  gap: var(--art-space-3);
  margin: 1.5em 0;
  padding: var(--art-space-4) var(--art-space-4) var(--art-space-4) var(--art-space-5);
  border: 0;
  border-left: 3px solid var(--art-info);
  border-radius: var(--art-radius-sm) var(--art-radius) var(--art-radius) var(--art-radius-sm);
  background: var(--art-info-wash);
  color: var(--art-text);
}

.art-callout__icon {
  flex: 0 0 auto;
  width: 1.3em;
  height: 1.3em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1em;
  font-size: 0.95em;
  line-height: 1;
  color: var(--art-info);
  border-radius: 50%;
  background: var(--art-surface);
}

.art-callout__main {
  min-width: 0;
  flex: 1 1 auto;
}

.art-callout__title {
  font-family: var(--art-font-sans);
  margin-bottom: 3px;
  font-size: 0.92em;
  font-weight: 640;
  letter-spacing: -0.008em;
  color: var(--art-text);
}

.art-callout__body > :first-child {
  margin-top: 0;
}

.art-callout__body > :last-child {
  margin-bottom: 0;
}

.art-callout--good {
  border-left-color: var(--art-good);
  background: var(--art-good-wash);
}

.art-callout--good .art-callout__icon {
  color: var(--art-good);
}

.art-callout--warn {
  border-left-color: var(--art-warn);
  background: var(--art-warn-wash);
}

.art-callout--warn .art-callout__icon {
  color: var(--art-warn);
}

.art-callout--bad {
  border-left-color: var(--art-bad);
  background: var(--art-bad-wash);
}

.art-callout--bad .art-callout__icon {
  color: var(--art-bad);
}

/* KPIs -------------------------------------------------------------------- */

/* Numbers are the point, so they get the space: a tinted tile, the figure
   large in the display face, the label small and quiet underneath. */
art-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: var(--art-space-2);
  margin: 1.5em 0;
}

art-kpi {
  padding: var(--art-space-4);
  background: var(--art-surface-2);
  border: 0;
  border-radius: var(--art-radius);
}

.art-kpi__value {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-family: var(--art-font-display);
  font-size: 1.75em;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  color: var(--art-text);
}

.art-kpi__delta {
  font-size: 0.42em;
  font-weight: 620;
  letter-spacing: 0;
  color: var(--art-text-muted);
  font-variant-numeric: tabular-nums;
}

.art-kpi__label {
  font-family: var(--art-font-sans);
  margin-top: 6px;
  font-size: 0.76em;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--art-text-muted);
}

.art-kpi--good .art-kpi__value,
.art-kpi--good .art-kpi__delta {
  color: var(--art-good);
}

.art-kpi--warn .art-kpi__value,
.art-kpi--warn .art-kpi__delta {
  color: var(--art-warn);
}

.art-kpi--bad .art-kpi__value,
.art-kpi--bad .art-kpi__delta {
  color: var(--art-bad);
}

.art-kpi--info .art-kpi__value,
.art-kpi--info .art-kpi__delta {
  color: var(--art-info);
}

/* Columns ----------------------------------------------------------------- */

art-columns {
  display: grid;
  grid-template-columns: repeat(var(--art-cols, 2), minmax(0, 1fr));
  gap: 16px;
  margin: 1.2em 0;
}

art-col {
  min-width: 0;
}

art-col > :first-child {
  margin-top: 0;
}

art-col > :last-child {
  margin-bottom: 0;
}

/* Tabs -------------------------------------------------------------------- */

art-tabs {
  margin: 1.2em 0;
}

.art-tabs__bar {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--art-border);
}

.art-tabs__tab {
  flex: 0 0 auto;
  padding: 8px 12px;
  margin-bottom: -1px;
  font: inherit;
  font-size: 0.92em;
  font-weight: 550;
  color: var(--art-text-muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: var(--art-radius) var(--art-radius) 0 0;
  cursor: pointer;
  white-space: nowrap;
}

.art-tabs__tab:hover {
  color: var(--art-text);
  background: var(--art-surface-2);
}

.art-tabs__tab.is-active {
  color: var(--art-accent);
  border-bottom-color: var(--art-accent);
}

.art-tabs__tab:focus-visible {
  outline: 2px solid var(--art-accent);
  outline-offset: -2px;
}

art-tab {
  padding-top: 14px;
}

art-tab:focus-visible {
  outline: 2px solid var(--art-accent);
  outline-offset: 2px;
  border-radius: var(--art-radius);
}

art-tab > :first-child {
  margin-top: 0;
}

art-tab > :last-child {
  margin-bottom: 0;
}

/* Details ----------------------------------------------------------------- */

art-details {
  margin: 1.2em 0;
}

.art-details__native {
  padding: 4px 16px;
  background: var(--art-surface);
  border: 1px solid var(--art-border);
  border-radius: var(--art-radius);
}

.art-details__summary {
  padding: 10px 0;
  font-weight: 600;
  color: var(--art-text);
  cursor: pointer;
  list-style-position: outside;
}

.art-details__summary::marker {
  color: var(--art-text-faint);
}

.art-details__summary:focus-visible {
  outline: 2px solid var(--art-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.art-details__body {
  padding-bottom: 12px;
  border-top: 1px solid var(--art-border);
  padding-top: 12px;
}

.art-details__body > :first-child {
  margin-top: 0;
}

.art-details__body > :last-child {
  margin-bottom: 0;
}

/* Table ------------------------------------------------------------------- */

art-table {
  margin: 1.2em 0;
}

.art-table__scroll {
  max-width: 100%;
  overflow-x: auto;
}

/* Body text in a cell is prose, so it reads in the sans token like the rest of
   the page. Only the tabular-nums figures on numeric columns are typographic. */
.art-table__table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--art-font-sans);
  font-size: 0.95em;
  line-height: 1.5;
  color: var(--art-text);
  background: var(--art-surface);
  border: 1px solid var(--art-border);
  border-radius: var(--art-radius);
}

.art-table__table th,
.art-table__table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--art-border);
}

.art-table__table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 0;
  font-weight: 600;
  color: var(--art-text-muted);
  background: var(--art-surface-2);
  border-bottom: 1px solid var(--art-border-strong);
  white-space: nowrap;
}

.art-table__table thead th:not(:has(.art-table__sort)) {
  padding: 8px 12px;
}

.art-table__table tbody tr:hover {
  background: var(--art-surface-2);
}

.art-table__table tbody tr:last-child td {
  border-bottom: 0;
}

.art-table__table thead th:first-child {
  border-top-left-radius: var(--art-radius);
}

.art-table__table thead th:last-child {
  border-top-right-radius: var(--art-radius);
}

.art-table__table tbody tr:last-child td:first-child {
  border-bottom-left-radius: var(--art-radius);
}

.art-table__table tbody tr:last-child td:last-child {
  border-bottom-right-radius: var(--art-radius);
}

.art-table__table th.num,
.art-table__table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.art-table__sort {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  font: inherit;
  font-weight: 600;
  color: inherit;
  text-align: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.art-table__table th.num .art-table__sort {
  justify-content: flex-end;
}

.art-table__sort:hover {
  color: var(--art-text);
}

.art-table__sort:focus-visible {
  outline: 2px solid var(--art-accent);
  outline-offset: -2px;
}

.art-table__sort-mark::after {
  content: "\2195";
  color: var(--art-text-faint);
}

[aria-sort="ascending"] .art-table__sort-mark::after {
  content: "\2191";
  color: var(--art-accent);
}

[aria-sort="descending"] .art-table__sort-mark::after {
  content: "\2193";
  color: var(--art-accent);
}

/* Chart ------------------------------------------------------------------- */

art-chart {
  margin: 1.5em 0;
  padding: var(--art-space-4) var(--art-space-4) var(--art-space-3);
  background: var(--art-surface);
  border: 1px solid var(--art-hairline);
  border-radius: var(--art-radius-lg);
  box-shadow: var(--art-shadow-sm);
}

.art-chart__title {
  font-family: var(--art-font-sans);
  margin-bottom: var(--art-space-4);
  font-size: 0.82em;
  font-weight: 620;
  letter-spacing: 0.02em;
  color: var(--art-text-muted);
}

.art-chart__canvas {
  position: relative;
  width: 100%;
  min-height: 80px;
}

.art-chart__canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Embed ------------------------------------------------------------------- */

art-embed {
  margin: 1.5em 0;
  overflow: hidden;
  background: var(--art-surface);
  border: 1px solid var(--art-border);
  border-radius: var(--art-radius);
}

/* No colour-scheme of its own. A frame whose scheme differs from the document
   inside it is painted on an opaque browser canvas, which puts a second
   surface inside the container; matching it lets the container's own
   background show through the frame. */
art-embed iframe {
  display: block;
  width: 100%;
  border: 0;
}

/* Error ------------------------------------------------------------------- */

art-error {
  margin: 1.2em 0;
}

.art-error {
  padding: 10px 14px;
  font-family: var(--art-font-mono);
  font-size: 0.85em;
  line-height: 1.5;
  color: var(--art-bad);
  background: var(--art-bad-wash);
  border: 1px solid var(--art-bad);
  border-radius: var(--art-radius);
}

/* ------------------------------------------------------------- narrow view */

@media (max-width: 640px) {
  art-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  art-kpis {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 8px;
  }

  art-card,
  art-chart {
    padding: 14px;
  }

  .art-content {
    padding-inline: 12px;
  }

  .art-content h1 {
    font-size: 1.6em;
  }

  /* A table squeezed into a phone breaks to one word a line and stops being a
     table. Let the cells keep their width and scroll the whole thing instead. */
  .art-content table {
    display: block;
    overflow-x: auto;
  }

  .art-content th,
  .art-content td {
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .art-content * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}