/* ─── Use-case bundles (/use-cases/) ────────────────────────
   Loaded after page.css, which supplies .list-page/.list-table/.list-row and
   the .back-link + .section-label idioms these pages reuse. Only the pieces
   unique to use-case bundles live here. */

/* The intent, in the user's own words — the thing they'd type into search. */
.uc-intent {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-dim);
  max-width: 68ch;
  margin-top: var(--s-4);
  text-wrap: pretty;
}

.uc-section {
  padding: var(--s-12) var(--s-10) var(--s-8);
  border-top: 1px solid var(--rule-strong);
}
.uc-section .section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border-left: 2px solid var(--accent);
  padding-left: 10px;
  margin-bottom: var(--s-6);
}
.uc-section-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-mute);
  line-height: 1.6;
  max-width: 72ch;
  margin-bottom: var(--s-6);
}
.uc-section-note a {
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule-strong);
}
.uc-section-note a:hover { color: var(--accent); }

/* ── The stack ──
   Same grid as .list-row, plus a role kicker and the catalog category, so the
   cross-category shape of a bundle is legible at a glance. */
.uc-stack-role {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--s-1);
}
.uc-stack-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-top: var(--s-2);
}

.uc-rationale {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.68;
  color: var(--ink-dim);
  max-width: 74ch;
  text-wrap: pretty;
}

/* ── Evidence tiles ──
   Every tile is a real post; the whole tile is the link so the outbound target
   is unambiguous. */
.uc-evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--s-4);
}
.uc-evidence {
  display: block;
  padding: var(--s-5);
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  transition: border-color 0.15s, transform 0.12s ease-out;
}
a.uc-evidence:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.uc-evidence-headline {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.4;
  text-wrap: pretty;
}
.uc-evidence-quote {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-dim);
  margin-top: var(--s-3);
}
.uc-evidence-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  margin-top: var(--s-4);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-mute);
}
.uc-source-pill {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--rule-strong);
  padding: 2px var(--s-2);
}
.uc-evidence-author { color: var(--ink-soft); }

.uc-bullets {
  list-style: none;
  max-width: 74ch;
}
.uc-bullets li {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-dim);
  padding-left: var(--s-5);
  margin-bottom: var(--s-3);
  position: relative;
  text-wrap: pretty;
}
.uc-bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.uc-related {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}
.uc-related-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  border: 1px solid var(--rule-strong);
  padding: var(--s-2) var(--s-4);
  transition: color 0.15s, border-color 0.15s;
}
.uc-related-link:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ── Free-text matcher on the index ──
   The wrapper is `hidden` in the markup and revealed by /assets/js/use-cases.js,
   so a browser without JS never sees a search box that can't filter. */
.uc-search-wrap {
  padding: 0 var(--s-10) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.uc-search-wrap[hidden] { display: none; }
.uc-search-wrap .catalog-search {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-elev);
  border: 1px solid var(--rule-strong);
  padding: var(--s-3) var(--s-4);
}
.uc-search-wrap .catalog-search::placeholder { color: var(--ink-mute); }
.uc-search-wrap .catalog-search:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.uc-search-empty {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.uc-search-empty a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
}
.uc-index-row[hidden] { display: none; }

@media (max-width: 720px) {
  .uc-section { padding: var(--s-8) var(--s-5) var(--s-6); }
  .uc-search-wrap { padding: 0 var(--s-5) var(--s-5); }
  .uc-intent { font-size: 17px; }
  .uc-evidence-grid { grid-template-columns: 1fr; }
}