/*!
 * research-2026.css — the research and publications page.
 *
 * Loads on top of ern-2026.css and adds only what that sheet has no
 * component for: the numbered policy brief, the library filters, and the
 * bibliography list. Everything else (type scale, buttons, bands, header,
 * footer, one red) comes from the design system and is not restated here.
 */

/* ─── Page hero ─── */
/* .sec-hero and .hero-in live in ern-2026.css: About uses them too. */
.jump { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ─── Policy brief ─── */
.pol {
  display: grid; grid-template-columns: 76px 1fr; gap: 30px;
  padding: 34px 0; border-top: 1px solid var(--rule);
}
.pol:first-of-type { border-top: none; padding-top: 4px; }
.pol-num {
  /* margin 0, not the browser default 1em, or a 44px numeral is pushed a
     full line below the heading it belongs to. */
  margin: 5px 0 0; font-size: 44px; font-weight: 200; line-height: 0.9;
  letter-spacing: -0.04em; color: var(--accent-deep);
  font-variant-numeric: tabular-nums;
}
.pol h3 {
  font-size: 22px; font-weight: 600; line-height: 1.3;
  color: var(--ink); margin: 0 0 10px; text-wrap: pretty;
}
.pol-what {
  font-size: 16px; line-height: 1.65; color: var(--body);
  margin: 0 0 20px; max-width: 68ch; text-wrap: pretty;
}
/* Evidence, jurisdictions and sources as a definition list, so the label is
   a real <dt> rather than a bolded run-in that screen readers read as prose. */
.pol-rows { margin: 0; display: grid; gap: 15px; }
.pol-rows > div { display: grid; grid-template-columns: 116px 1fr; gap: 20px; }
.pol-rows dt {
  font-size: 10px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); padding-top: 4px;
}
.pol-rows dd {
  margin: 0; font-size: 14.5px; line-height: 1.62;
  color: var(--body); max-width: 70ch; text-wrap: pretty;
}
.pol-rows .src dd { font-size: 13px; color: var(--muted); }
.pol-rows dd em { font-style: italic; }

.callout {
  margin-top: 40px; padding: 24px 28px;
  background: var(--paper); border: 1px solid var(--rule);
  border-left: 3px solid var(--accent-deep);
}
.callout h3 {
  font-size: 11px; font-weight: 800; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--accent-deep); margin: 0 0 12px;
}
.callout p {
  font-size: 14.5px; line-height: 1.65; color: var(--body);
  margin: 0; max-width: 76ch; text-wrap: pretty;
}
.callout a { text-decoration: underline; text-underline-offset: 2px; }

/* ─── Library filters ─── */
.filters { display: grid; grid-template-columns: 1fr 260px; gap: 14px; margin: 30px 0 18px; }
.filters input, .filters select {
  font-family: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--paper); border: 1px solid rgba(25, 34, 44, 0.18);
  border-radius: 4px; padding: 12px 14px; width: 100%;
}
.filters input::placeholder { color: var(--muted); }
.filters input:focus, .filters select:focus {
  outline: none; border-color: var(--accent-deep);
  box-shadow: 0 0 0 3px rgba(249, 50, 43, 0.16);
}

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pill {
  font-family: inherit; font-size: 12.5px; font-weight: 500;
  padding: 8px 15px; border-radius: 999px; cursor: pointer;
  border: 1px solid rgba(25, 34, 44, 0.18);
  background: var(--paper); color: var(--body);
  transition: border-color 150ms ease, color 150ms ease, background 150ms ease;
}
.pill:hover { border-color: var(--accent-deep); color: var(--accent-deep); }
.pill[aria-pressed="true"] {
  background: var(--accent-deep); border-color: var(--accent-deep); color: #fff;
}

.count {
  margin: 0 0 4px; font-size: 12.5px; color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-bottom: 12px; border-bottom: 1px solid var(--rule);
}
.count strong { color: var(--ink); font-weight: 600; }

/* ─── Bibliography ─── */
/* Two columns of entries rather than cards: 162 references read faster as a
   list, and a list keeps a long title from setting the height of a whole row. */
.bib { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.bib-item {
  display: block; text-decoration: none; color: inherit;
  padding: 17px 0; border-bottom: 1px solid var(--rule);
}
.bib-item:hover .bi-title { color: var(--accent-deep); }
.bi-title { display: block; font-size: 15.5px; font-weight: 600; line-height: 1.4; color: var(--ink); margin: 0 0 5px; text-wrap: pretty; }
.bi-meta { display: block; font-size: 13px; line-height: 1.5; color: var(--muted); margin: 0 0 9px; }
.bi-meta .who { color: var(--body); }
.bi-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 3px;
}
.tag.kind { background: rgba(34, 55, 84, 0.09); color: var(--body); }
.tag.where { border: 1px solid var(--rule); color: var(--muted); }

.empty { margin: 0; padding: 40px 0; font-size: 14.5px; color: var(--muted); }

/* ─── Responsive ─── */
@media (max-width: 1000px) {
  .bib { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 900px) {
  .pol { grid-template-columns: 1fr; gap: 12px; }
  .pol-num { font-size: 34px; }
  .pol-rows > div { grid-template-columns: 1fr; gap: 4px; }
  .filters { grid-template-columns: 1fr; }
}