/* AI Compute board finder (Oct 17 2026, review item 13). Markup from scripts/ac_finder.py, behaviour in
   ai-compute-finder.js. Solid blocks and 2px rules; no hairlines, gradients or shadows. The root is .acf and every
   other selector is .acf-; the tokens fall back to the section's values. */
.acf{
  --acf-navy:var(--ac-dark,#0f172a); --acf-navy-2:var(--ac-dark-2,#1c2740); --acf-accent:var(--ac-accent,#1f5eff);
  --acf-ink:var(--ac-ink,#0b1220); --acf-paper:var(--ac-paper,#ffffff); --acf-bg:var(--ac-bg,#f3f5f9);
  --acf-line:var(--ac-line,#d6dce6); --acf-muted:#5b6678; --acf-on-dark:#b9c3d4; --acf-r:8px;
  --acf-sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --acf-display:"Archivo",Helvetica,Arial,sans-serif;
  --acf-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  box-sizing:border-box; width:100%; color:var(--acf-ink); font-family:var(--acf-sans); font-size:16px; line-height:1.45;
}
.acf *,.acf *::before,.acf *::after{box-sizing:border-box}
.acf .acf-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* Small labels: mono, 12px, tracked, uppercase by CSS. */
.acf .acf-label{display:block;margin:0 0 10px;padding:0;font:500 12px/1.3 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-muted)}

.acf-top{margin:0 0 24px}
.acf .acf-h1{margin:0;font:800 clamp(32px,5vw,52px)/1.05 var(--acf-display);letter-spacing:-.02em;color:var(--acf-ink)}
.acf .acf-lede{margin:12px 0 0;max-width:720px;font-size:18px;color:var(--acf-muted)}

.acf-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
@media (min-width:1000px){
  .acf-grid{grid-template-columns:380px minmax(0,1fr)}
  .acf-panel{position:sticky;top:24px}
}

/* Controls: a navy slab. */
.acf-panel{display:grid;gap:24px;margin:0;padding:20px;background:var(--acf-navy);color:var(--acf-paper);border-radius:var(--acf-r)}
.acf-panel .acf-label{color:var(--acf-on-dark)}
.acf-field{min-width:0;margin:0;padding:0;border:0}
.acf-field>legend.acf-label{float:left;width:100%}
.acf-field>legend.acf-label+*{clear:both}

.acf-numbox{display:flex;align-items:center;gap:12px;min-width:0;padding:0 14px 0 0;background:var(--acf-paper);border:2px solid var(--acf-paper);border-radius:var(--acf-r)}
.acf-numbox:focus-within{outline:3px solid var(--acf-accent);outline-offset:2px}
.acf .acf-input{
  flex:1 1 auto; min-width:0; width:100%; margin:0; padding:10px 14px; border:0; border-radius:6px; background:transparent;
  color:var(--acf-ink); font:600 28px/1.1 var(--acf-sans); font-variant-numeric:tabular-nums; -moz-appearance:textfield; appearance:textfield;
}
.acf .acf-input::-webkit-inner-spin-button,.acf .acf-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.acf .acf-input:focus{outline:none}
.acf .acf-input[aria-invalid="true"]{color:#b42318}
.acf-unit{flex:0 0 auto;font:500 12px/1.2 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-muted);text-align:right}

.acf-presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:6px;margin-top:10px}
.acf .acf-preset{
  appearance:none; -webkit-appearance:none; margin:0; min-height:40px; padding:6px 4px;
  background:var(--acf-navy-2); color:var(--acf-paper); border:2px solid var(--acf-navy-2); border-radius:6px;
  font:600 13px/1 var(--acf-mono); font-variant-numeric:tabular-nums; cursor:pointer;
}
.acf .acf-preset:hover{border-color:var(--acf-on-dark)}
.acf .acf-preset[aria-pressed="true"]{background:var(--acf-accent);border-color:var(--acf-accent)}
.acf .acf-preset:focus{outline:none}
.acf .acf-preset:focus-visible{outline:3px solid var(--acf-paper);outline-offset:2px}

/* Segmented controls: radios under labels. */
.acf-seg{display:grid;gap:2px;padding:2px;background:var(--acf-navy-2);border-radius:var(--acf-r)}
.acf-seg-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.acf-seg-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.acf-opt{position:relative;display:block;margin:0;min-width:0;cursor:pointer}
.acf-opt input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.acf-opt-in{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:54px;padding:8px 2px;border-radius:6px;color:var(--acf-paper);text-align:center}
.acf-opt-in b{font:600 15px/1 var(--acf-sans);font-variant-numeric:tabular-nums;white-space:nowrap}
.acf-opt-in small{font:500 11px/1 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-on-dark);white-space:nowrap}
.acf-opt:hover .acf-opt-in{background:var(--acf-navy)}
.acf-opt input:checked+.acf-opt-in{background:var(--acf-accent)}
.acf-opt input:checked+.acf-opt-in small{color:var(--acf-paper)}
.acf-opt input:focus-visible+.acf-opt-in{outline:3px solid var(--acf-paper);outline-offset:-3px}

/* Results. */
.acf-results{min-width:0;container-type:inline-size}
.acf-sum{display:grid;grid-template-columns:minmax(0,1fr);gap:16px 24px;padding:20px;background:var(--acf-paper);border:2px solid var(--acf-ink);border-radius:var(--acf-r)}
.acf .acf-need-k{margin-bottom:6px}
.acf .acf-fig{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 .18em;margin:0;font:800 clamp(40px,12cqi,84px)/1 var(--acf-display);letter-spacing:-.02em;color:var(--acf-ink);font-variant-numeric:tabular-nums}
.acf .acf-fig-u{font-size:.42em;letter-spacing:0}
.acf-parts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px;max-width:420px;margin:0;background:var(--acf-line);border:2px solid var(--acf-line);border-radius:var(--acf-r);overflow:hidden;align-self:end}
.acf-part{margin:0;padding:12px 14px;background:var(--acf-bg)}
.acf-part dt.acf-label{margin-bottom:6px}
.acf-part dd{margin:0;font:600 20px/1.1 var(--acf-sans);font-variant-numeric:tabular-nums}
.acf .acf-math{grid-column:1/-1;margin:0;max-width:68ch;font-size:15px;color:var(--acf-muted)}
@container (min-width:560px){
  .acf-sum{padding:24px}
}
@container (min-width:900px){
  .acf-sum{grid-template-columns:minmax(0,1fr) minmax(0,300px)}
  .acf-parts{max-width:none}
}

.acf .acf-count{margin:24px 0 12px;font:600 16px/1.3 var(--acf-sans)}

/* The boards table. */
.acf-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--acf-paper);border:2px solid var(--acf-ink);border-radius:var(--acf-r);overflow:hidden;font-variant-numeric:tabular-nums}
.acf-table thead th{padding:12px 10px;background:var(--acf-navy);color:var(--acf-paper);font:500 12px/1.2 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;text-align:left;vertical-align:bottom;white-space:nowrap}
.acf-table thead th:first-child{padding-left:16px}
.acf-table tbody th,.acf-table tbody td{padding:14px 10px;border-top:2px solid var(--acf-line);text-align:left;vertical-align:middle;font-weight:400}
.acf-table tbody th{padding-left:16px}
.acf-table tbody td:last-child{padding-right:16px}
.acf-table tbody tr:first-child>*{border-top:0}
.acf-table .acf-n{text-align:right;white-space:nowrap}
.acf-board{min-width:0}
.acf-maker,.acf-mpn{display:block;font:500 12px/1.3 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-muted)}
.acf-name{display:block;margin:2px 0;font:600 16px/1.25 var(--acf-sans);color:var(--acf-ink)}
.acf-mark{display:inline-block;padding:3px 8px;border:2px solid transparent;border-radius:6px;font:600 13px/1.1 var(--acf-sans);white-space:nowrap}
.acf-yes .acf-mark{background:var(--acf-accent);border-color:var(--acf-accent);color:var(--acf-paper)}
.acf-no .acf-mark{background:var(--acf-paper);border-color:var(--acf-line);color:var(--acf-ink)}
.acf-price{display:block;font:600 16px/1.2 var(--acf-sans)}
.acf-per{display:block;margin-top:2px;font:500 12px/1.2 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-muted)}
.acf-go-c{text-align:right}
.acf .acf-go{
  display:inline-flex; align-items:center; justify-content:center; min-height:40px; padding:8px 12px;
  background:var(--acf-paper); color:var(--acf-ink); border:2px solid var(--acf-ink); border-radius:var(--acf-r);
  font:600 14px/1.1 var(--acf-sans); text-decoration:none; white-space:nowrap;
}
.acf .acf-go:hover{background:var(--acf-ink);color:var(--acf-paper)}
.acf .acf-go:focus{outline:none}
.acf .acf-go:focus-visible{outline:3px solid var(--acf-accent);outline-offset:2px}
.acf-no>*{background:var(--acf-bg)}
.acf-no .acf-name,.acf-no .acf-n{color:var(--acf-muted)}
.acf-yes+.acf-no>*{border-top-color:var(--acf-ink)}

/* Narrow results: each board becomes a card. */
@container (max-width:759px){
  .acf-table{display:block;border:0;border-radius:0;background:transparent;overflow:visible}
  .acf-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .acf-table tbody{display:grid;gap:12px}
  .acf-table tbody tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px;background:var(--acf-paper);border:2px solid var(--acf-ink);border-radius:var(--acf-r)}
  .acf-table tbody tr.acf-no{background:var(--acf-bg);border-color:var(--acf-line)}
  .acf-table tbody th,.acf-table tbody td,.acf-table tbody td:last-child{display:block;padding:0;border:0;background:transparent;text-align:left}
  .acf-table td.acf-n{text-align:left;white-space:normal}
  .acf-table tbody th.acf-board{grid-column:1/-1;padding:0 0 12px;border-bottom:2px solid var(--acf-line)}
  .acf-table tbody td::before{content:attr(data-label);display:block;margin-bottom:4px;font:500 12px/1.3 var(--acf-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--acf-muted)}
  .acf-table tbody td.acf-go-c::before{content:none}
  .acf-table tbody td.acf-head-c:empty{display:none}
  .acf-table tbody td.acf-n{font-weight:600}
  .acf-go-c{grid-column:1/-1}
  .acf .acf-go{width:100%}
}

@media (max-width:420px){
  .acf-panel{padding:16px}
  .acf-sum{padding:16px}
  .acf .acf-input{font-size:24px}
}

/* Motion: the only motion is the 200ms count on the figure (ai-compute-finder.js), skipped under reduced motion. */