/* Doc hub additions */
.hub-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.hub-kpis article {
  padding: 1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: rgba(10, 16, 28, 0.78);
  box-shadow: var(--shadow);
  text-align: left;
}

.hub-kpis strong {
  display: block;
  font-size: 1.6rem;
  color: #ffffff;
}

.hub-kpis span {
  color: var(--muted);
  font-size: 0.92rem;
}

.overview-grid,
.theme-grid,
.scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.filter-panel {
  padding: 1.2rem 1.4rem;
  display: grid;
  gap: 1rem;
}

.filter-group {
  display: grid;
  gap: 0.6rem;
}

.filter-label {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-btn {
  border: 1px solid var(--panel-border);
  background: rgba(12, 20, 34, 0.8);
  color: var(--text);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.filter-btn:hover {
  transform: translateY(-1px);
  background: rgba(18, 30, 46, 0.9);
}

.filter-btn.active {
  background: var(--primary);
  color: #03131f;
  border-color: transparent;
  font-weight: 700;
}

.filter-input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(8, 14, 24, 0.9);
  color: var(--text);
}

.filter-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.subsection-title {
  margin: 2.5rem 0 1rem;
  font-size: 1.35rem;
  color: #f1f6ff;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}

.resource-card {
  padding: 1.2rem 1.4rem;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  background: rgba(8, 14, 24, 0.86);
  box-shadow: var(--shadow);
}

.resource-card[hidden] {
  display: none;
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.resource-card h3 {
  margin-top: 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
}

.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.resource-tags span {
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(61, 214, 255, 0.12);
  color: #bfefff;
  font-size: 0.78rem;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.resource-links a {
  font-size: 0.9rem;
}

.notice {
  color: var(--muted);
  font-size: 0.92rem;
}

.last-updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.6rem;
}

.no-results {
  margin-top: 1rem;
  color: var(--secondary);
  font-weight: 600;
}

@media (max-width: 720px) {
  .filter-panel {
    padding: 1rem;
  }

  .filter-btn {
    width: 100%;
    justify-content: center;
  }

  .resource-grid {
    grid-template-columns: 1fr;
  }
}