Hairline stat strip
A row of stat tiles joined by hairlines that are grid gap, not borders — the container paints the border color and the tiles paint the surface, so separators never double up or break when the row wraps — in a reporting form and in a second form where each tile is the filter for the list beneath it.
Reporting only — the figures are the whole job.
Same strip, working as the filter. Press a tile to narrow the list; press it again to clear.
Showing all 6 downloads.
- Bicycle drivetrain teardownDone
- Kiln firing, part threeDownloading
- Field recording — marsh at dawnQueued
- Lathe restoration, episode 12Done
- Sourdough hydration testsFailed
- Bookbinding: the long stitchQueued
<p class="cap">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 missing" aria-label="No value">—</span><span class="hss-sub">not rated yet</span></div> </div>
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 is the gap */
background: var(--border); /* container paints the line color */
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 { grid-template-columns: repeat(4, 1fr); } }
.hss-tile { background: var(--surface); padding: 14px 16px; min-width: 0; }
.hss-label { font: 500 0.8125rem/1.3 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); overflow-wrap: anywhere; }
.hss-fig { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink); }
.hss-fig.missing { color: var(--dim); font-weight: 500; }
button.hss-tile[aria-pressed="true"] {
background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}
document.querySelectorAll('[data-hss-filter] button').forEach((tile, _, tiles) => {
tile.addEventListener('click', () => {
const wasOn = tile.getAttribute('aria-pressed') === 'true';
const value = wasOn ? 'All' : tile.dataset.status;
tiles.forEach((other) => other.setAttribute('aria-pressed', String(other.dataset.status === value)));
// counts on the tiles come from the unfiltered set, so they never change here
renderList(value);
});
});Build a strip of statistic tiles that reads as one joined instrument panel rather than a row of floating cards.
The separators between tiles must not be borders. Make the container a CSS grid with gap: 1px and give the container itself the border color as its background; each tile then paints the surface color on top. The 1px of container showing through the gap is the hairline. This is the entire pattern: real borders double where two tiles meet and leave a stray edge when auto-fit wraps the row, and a gap physically cannot do either.
Pin the column counts. Go 1 → 2 → 4 columns at container widths of 21rem and 42rem instead of letting auto-fit pick, so a wrapped row never leaves one orphan tile stretched across the strip.
Tile anatomy. A mono uppercase label, the figure in bold tabular numerals, and a one-line qualifier underneath that says what window the figure covers.
Two rules of honesty. Render a missing value as a dimmed em dash, never a zero. Keep units with the number.
The filter form. When each tile filters the list beneath it, make each tile a button with aria-pressed, not a tab. Compute every count from the unfiltered set so pressing a tile never changes the other tiles' numbers.
:root { --ground:#eef0f3; --surface:#ffffff; --border:#d2d8e0; --ink:#161b22; --dim:#56606e; --accent:#364f6a; --radius:10px; }
.hss-strip {
display: grid;
gap: 1px; /* the hairline is the gap */
background: var(--border); /* container paints the line color */
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 { grid-template-columns: repeat(4, 1fr); } }
.hss-tile { background: var(--surface); padding: 14px 16px; min-width: 0; }
.hss-label { font: 500 0.8125rem/1.3 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); overflow-wrap: anywhere; }
.hss-fig { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink); }
.hss-fig.missing { color: var(--dim); font-weight: 500; }
button.hss-tile[aria-pressed="true"] {
background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}
<p class="cap">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 missing" aria-label="No value">—</span><span class="hss-sub">not rated yet</span></div>
</div>