Hairline stat strip

<p class="hss-caption">Reporting only — the figures are the whole job.</p>
<div class="hss-strip">
  <div class="hss-tile"><span class="hss-label">Documents</span><span class="hss-fig">1,482</span><span class="hss-sub">this period</span></div>
  <div class="hss-tile"><span class="hss-label">Median time</span><span class="hss-fig">3.2s</span><span class="hss-sub">last 24h</span></div>
  <div class="hss-tile"><span class="hss-label">Clean runs</span><span class="hss-fig">98.4%</span><span class="hss-sub">no retries</span></div>
  <div class="hss-tile"><span class="hss-label">Quality score</span><span class="hss-fig hss-none" aria-label="Not rated">—</span><span class="hss-sub">not rated yet</span></div>
</div>

<p class="hss-caption">Same strip, working as the filter.</p>
<div class="hss-strip hss-strip--five" role="group" aria-label="Filter downloads by status">
  <button class="hss-tile" aria-pressed="true" data-filter="All"><span class="hss-label">All</span><span class="hss-fig">6</span><span class="hss-sub">downloads</span></button>
  <button class="hss-tile" aria-pressed="false" data-filter="Queued"><span class="hss-label">Queued</span><span class="hss-fig">2</span><span class="hss-sub">downloads</span></button>
  <!-- Downloading, Done, Failed follow the same shape -->
</div>
<ul class="hss-list" aria-live="polite">…</ul>

Colors come from shared theme tokens — --surface, --ink, --border, --accent and friends — so this CSS carries no palette of its own. Use Runnable file to copy the tokens along with it.

.hss-strip {
  display: grid;
  gap: 1px;                         /* the hairline */
  background: var(--border);        /* shows through the gap */
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: 1fr;
}
@media (min-width: 21rem) { .hss-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 42rem) { .hss-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.hss-tile {
  background: var(--surface);       /* tiles paint over the container */
  padding: .9rem 1rem;
  display: grid;
  gap: .25rem;
  min-width: 0;
}
.hss-label { font: 500 .8125rem/1.25 ui-monospace, monospace; text-transform: uppercase; color: var(--dim); overflow-wrap: anywhere; }
.hss-fig   { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.hss-none  { color: var(--dim); font-weight: 500; }

button.hss-tile[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}

const tiles = [...document.querySelectorAll('[data-filter]')];
const items = [...document.querySelectorAll('.hss-list li')];

tiles.forEach((tile) => tile.addEventListener('click', () => {
  const wasPressed = tile.getAttribute('aria-pressed') === 'true';
  const value = wasPressed ? 'All' : tile.dataset.filter;
  tiles.forEach((other) => other.setAttribute('aria-pressed', String(other.dataset.filter === value)));
  items.forEach((item) => { item.hidden = value !== 'All' && item.dataset.status !== value; });
}));