/* Odd knowledge page. Header, logo, and shared controls stay in site.css. */

.facts-section { padding-top: 1.35rem; }

.facts-board { max-width: 46rem; }

.facts-section h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.facts-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.7rem;
}

.facts-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.facts-filters .btn {
  border-radius: 999px;
}

.facts-filters .btn[aria-checked="true"] {
  background: var(--brand);
  border-color: transparent;
  color: #fff;
}

.facts-hint {
  margin: 0 0 1.15rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.fact-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.fact-card {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  column-gap: 0.85rem;
  align-items: start;
  scroll-margin-top: 13rem;
}

.fact-card.is-picked {
  border-color: var(--brand);
  box-shadow: inset 4px 0 0 var(--brand), var(--shadow);
}

.fact-no {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--brand-bright);
}

.fact-topic {
  margin: 0 0 0.3rem;
  color: var(--brand-bright);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

html.theme-light .fact-no,
html.theme-light .fact-topic { color: var(--brand-deep); }

.fact-card h3 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
}

.fact-card h3:focus {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--brand);
}

.fact-body p:last-child { margin-bottom: 0.35rem; }

.fact-source {
  margin: 0.85rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-family: var(--font-data);
  font-size: 0.92rem;
  line-height: 1.45;
}

.fact-source a { overflow-wrap: anywhere; }

.facts-empty {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
}

.facts-close {
  margin: 1.7rem 0 0;
  max-width: 40rem;
}

@media (min-width: 641px) {
  .fact-card { scroll-margin-top: 17rem; }
}

@media (max-width: 640px) {
  .fact-card { grid-template-columns: 1fr; }
  .fact-no { margin-bottom: 0.35rem; font-size: 1.25rem; }
  .facts-bar .btn-primary { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .fact-card { transition: none; }
}