quarb 0.37.0

Query engine for arbors (arboreal graphs - tree-spanned or tree-dominated graphs)
Documentation 
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/* The Quarb table: the grid a result closing in `@| table` renders
   as in every browser host (the notebook cell, the playground, the
   extension's panel, quarb.org/search). Scoped under the class so a
   host's own theme never fights it; colours come from the host's
   variables where it sets them, else from neutral defaults that
   read in light and dark alike. Pandas is the model. */
.quarb-table {
  border-collapse: collapse;
  margin: 0.5em 0;
  font-family: var(--quarb-font, inherit);
  font-size: var(--quarb-table-size, 0.92em);
  line-height: 1.35;
  color: var(--quarb-fg, inherit);
  background: var(--quarb-bg, transparent);
}
.quarb-table th,
.quarb-table td {
  padding: 0.3em 0.75em;
  text-align: left;
  vertical-align: top;
  white-space: pre-wrap;
  border-bottom: 1px solid var(--quarb-rule, rgba(128, 128, 128, 0.25));
}
.quarb-table thead th {
  font-weight: 600;
  border-bottom: 2px solid var(--quarb-rule-strong, rgba(128, 128, 128, 0.55));
}
.quarb-table th.num,
.quarb-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.quarb-table tbody tr:nth-child(even) {
  background: var(--quarb-zebra, rgba(128, 128, 128, 0.07));
}
.quarb-table tbody tr:hover {
  background: var(--quarb-hover, rgba(128, 128, 128, 0.16));
}
.quarb-table td.null::after {
  content: "null";
  opacity: 0.45;
}
.quarb-table td.nested,
.quarb-table td.time {
  font-family: var(--quarb-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.95em;
}
.quarb-table caption {
  caption-side: bottom;
  padding-top: 0.4em;
  text-align: left;
  font-size: 0.9em;
  opacity: 0.6;
}