/*
 * Sticky header for Markdown tables.
 *
 * Material wraps tables in `.md-typeset__scrollwrap` with `overflow-x: auto`,
 * which promotes the wrapper to a "scroll containing block" — that kills
 * `position: sticky` on nested <th> elements (they stick within the wrapper
 * instead of the viewport). Disable the wrapper's overflow so sticky
 * escapes to the page scroll.
 */

/*
 * Desktop: let sticky thead escape the Material scrollwrap so it pins to the
 * viewport instead of getting trapped inside the wrapper's overflow box.
 */
.md-typeset__scrollwrap,
.md-typeset__table,
.md-typeset table:not([class]) {
  overflow: visible;
}

.md-typeset table:not([class]) thead th {
  position: sticky;
  top: var(--md-header-height, 2.4rem);
  background: var(--md-default-bg-color);
  z-index: 2;
  box-shadow: inset 0 -1px var(--md-default-fg-color--lightest);
  white-space: nowrap;
}

/*
 * Narrow viewports: bring back the scrollwrap's horizontal scroll so the page
 * itself doesn't overflow horizontally. Sticky header sacrifices itself here
 * — a contained horizontal scroll on a narrow screen beats a whole-page
 * horizontal scroll.
 */
@media (max-width: 960px) {
  .md-typeset__scrollwrap {
    overflow-x: auto;
  }
  .md-typeset table:not([class]) thead th {
    position: static;
  }
}