/* /research (the research library hub), /research/[slug], the ETFIQ fund lookup and /search. */

.res-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 56px; align-items: start; }
.res-main { min-width: 0; }

.res-aside { display: grid; gap: 24px; min-width: 0; }

/* The research library: filters, topic groups and outside items. */
.lib-filters { display: grid; gap: 12px; margin: 0 0 16px; }
.lib-filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.lib-filter-label { flex: 0 0 72px; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.lib-note { margin: 0; color: var(--muted); font-size: 14px; }
.lib-group { margin-top: 40px; }
.lib-group-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-bottom: 12px; }
.lib-group-head h2 { margin: 0; font-family: var(--serif); font-size: 30px; font-weight: 600; line-height: 1.2; }
.lib-group-meta { margin: 0; color: var(--muted); font-size: 14px; }
.lib-title { margin: 0; font-family: var(--serif); font-size: 21px; font-weight: 600; line-height: 1.3; overflow-wrap: anywhere; }
.lib-title a { color: var(--ink); text-decoration: none; }
.lib-title a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.lib-ext { color: var(--accent); font-family: var(--sans); font-size: 0.8em; font-weight: 600; }
.lib-meta { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.lib-publisher { color: var(--ink-2); font-weight: 600; }
.lib-summary { margin: 8px 0 0; max-width: 720px; color: var(--ink-2); }
.lib-foot { margin: 6px 0 0; color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.lib-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.lib-how h2 { margin: 0 0 10px; font-family: var(--serif); font-size: 24px; font-weight: 600; line-height: 1.25; }
.lib-how-list { margin: 0 0 14px; padding-left: 18px; color: var(--ink-3); font-size: 15px; }
.lib-how-list li { margin: 6px 0; }
.lib-how-more { margin: 0; color: var(--ink-3); font-size: 15px; }

.res-topics { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.res-chip {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch);
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.res-chip:hover { border-color: var(--ink); color: var(--ink); }
.res-chip.on { background: var(--ink); border-color: var(--ink); color: #FFFFFF; }

.res-item { display: block; color: var(--ink); text-decoration: none; }
.res-title { display: block; font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1.3; }
.res-item:hover .res-title { color: var(--accent); }
.res-dek { display: block; margin-top: 6px; color: var(--ink-2); }
.res-meta { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.res-lead { margin: -16px 0 32px; padding-top: 12px; border-top: 1px solid var(--line); max-width: 760px; color: var(--ink-2); }
.res-empty { border-top: 1px solid var(--ink); }
.res-empty p { margin: 0 0 12px; }
.res-related { margin-top: 32px; font-size: 15px; color: var(--ink-3); }

.fund-box { border-color: var(--line-strong); }
.fund-kicker { margin: 0 0 12px; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.fund-box h2 { margin: 0 0 10px; font-family: var(--serif); font-size: 24px; font-weight: 600; line-height: 1.25; }
.fund-box p { margin: 0 0 18px; color: var(--ink-3); font-size: 15px; }
.fund-form label, .search-label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.fund-row { display: flex; gap: 8px; }
.fund-row input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font: inherit;
}
.fund-row .btn { flex: 0 0 auto; min-height: 46px; padding: 0 18px; }
.fund-list > li > a { display: flex; gap: 12px; align-items: baseline; color: var(--ink); text-decoration: none; }
.fund-list > li > a strong { flex: 0 0 72px; color: var(--accent); }
.fund-list > li > a:hover span { color: var(--accent); }
.narrow .fund-box { margin-top: 40px; }

.res-article { max-width: 760px; }
.res-article h1 { max-width: 760px; }
.res-byline { margin: -12px 0 32px; padding-bottom: 16px; border-bottom: 1px solid var(--ink); color: var(--muted); font-size: 15px; }
.res-article .prose img { max-width: 100%; height: auto; }
.res-article .prose pre { overflow-x: auto; }
.res-article .prose table { display: block; overflow-x: auto; border-collapse: collapse; }
.res-after { max-width: 760px; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); display: grid; gap: 24px; }

.search-form { max-width: 640px; margin-bottom: 8px; }
.search-count { color: var(--muted); font-size: 15px; margin: 24px 0 0; }
.search-group { max-width: 820px; }
.search-group h2 { font-size: 24px; }
.search-hit { font-family: var(--serif); font-size: 20px; font-weight: 600; line-height: 1.3; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.search-meta { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.search-snippet { margin: 6px 0 0; color: var(--ink-3); font-size: 15px; }

@media (max-width: 960px) {
  .res-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
}
@media (max-width: 640px) {
  .res-title { font-size: 20px; }
  .fund-box, .lib-how { padding: 20px; }
  .lib-filter-label { flex-basis: 100%; }
  .lib-group-head h2 { font-size: 26px; }
  .lib-title { font-size: 19px; }
  .res-chip { padding: 8px 12px; }
}