Hairline stat strip

<p class="cap">Reporting only — the figures are the whole job.</p>
<div class="hss-strip four">
  <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 none" aria-label="No value">—</span><span class="hss-sub">not rated yet</span></div>
</div>
<p class="cap">Same strip, working as the filter. Press a tile to narrow the list; press it again to clear.</p>
<div class="hss-strip five" id="hss-filter">
  <button class="hss-tile" type="button" data-state="All" aria-pressed="true"><span class="hss-label">All</span><span class="hss-fig">6</span><span class="hss-sub">downloads</span></button>
  <button class="hss-tile" type="button" data-state="Queued" aria-pressed="false"><span class="hss-label">Queued</span><span class="hss-fig">2</span><span class="hss-sub">downloads</span></button>
  <button class="hss-tile" type="button" data-state="Downloading" aria-pressed="false"><span class="hss-label">Downloading</span><span class="hss-fig">1</span><span class="hss-sub">download</span></button>
  <button class="hss-tile" type="button" data-state="Done" aria-pressed="false"><span class="hss-label">Done</span><span class="hss-fig">2</span><span class="hss-sub">downloads</span></button>
  <button class="hss-tile" type="button" data-state="Failed" aria-pressed="false"><span class="hss-label">Failed</span><span class="hss-fig">1</span><span class="hss-sub">download</span></button>
</div>
<ul class="hss-list" id="hss-list">
  <li data-state="Done"><span>Bicycle drivetrain teardown</span><span class="st st-done">✓ Done</span></li>
  <li data-state="Downloading"><span>Kiln firing, part three</span><span class="st st-down">↓ Downloading</span></li>
  <li data-state="Queued"><span>Field recording — marsh at dawn</span><span class="st st-queued">… Queued</span></li>
  <li data-state="Done"><span>Lathe restoration, episode 12</span><span class="st st-done">✓ Done</span></li>
  <li data-state="Failed"><span>Sourdough hydration tests</span><span class="st st-failed">✕ Failed</span></li>
  <li data-state="Queued"><span>Bookbinding: the long stitch</span><span class="st st-queued">… Queued</span></li>
</ul>
<p class="hss-status" id="hss-status" role="status" aria-live="polite">Showing all 6 downloads.</p>

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;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: 1fr;
}
@container (min-width: 21rem) { .hss-strip { grid-template-columns: repeat(2, 1fr); } }
@container (min-width: 42rem) {
  .hss-strip.four { grid-template-columns: repeat(4, 1fr); }
  .hss-strip.five { grid-template-columns: repeat(5, 1fr); }
}
.hss-tile { background: var(--surface); padding: .9rem 1rem; min-width: 0; }
.hss-label {
  font: 0.8125rem/1.3 ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dim);
}
.hss-fig { font-size: 1.6rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.hss-fig.none { color: var(--dim); font-weight: 400; }
.hss-sub { overflow-wrap: anywhere; color: var(--dim); }
button.hss-tile[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}

strip.querySelectorAll('button').forEach((tile) => {
  tile.addEventListener('click', () => {
    const wasPressed = tile.getAttribute('aria-pressed') === 'true';
    const state = wasPressed || tile.dataset.state === 'All' ? 'All' : tile.dataset.state;
    tiles.forEach((other) =>
      other.setAttribute('aria-pressed', String(other.dataset.state === state)));
    rows.forEach((row) => { row.hidden = state !== 'All' && row.dataset.state !== state; });
  });
});