.admin-hub-page {
  background:
    radial-gradient(circle at top right, rgba(79, 70, 229, 0.12), transparent 38%),
    linear-gradient(180deg, #f7fbff 0%, #edf4fa 100%) !important;
}

.admin-hub-page.dark-mode {
  background:
    radial-gradient(circle at top right, rgba(79, 70, 229, 0.10), transparent 38%),
    linear-gradient(180deg, #0f172a 0%, #16213d 100%) !important;
}

.admin-hub-page .page-hero,
.admin-hub-page .subpage-main-section {
  background: transparent !important;
}

.hub-eyebrow {
  margin-bottom: 1rem;
  color: #4f46e5;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hub-session {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted-text, #526173);
}

.hub-session strong {
  color: var(--text-color, #1f2937);
}

/* Stats strip */
.hub-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.hub-stat-card {
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(246,250,255,0.92));
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.07);
  padding: 1.4rem 1.6rem;
}

.admin-hub-page.dark-mode .hub-stat-card {
  border-color: rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(30,41,59,0.95), rgba(15,23,42,0.92));
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.32);
}

.hub-stat-card span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted-text, #526173);
  margin-bottom: 0.5rem;
}

.hub-stat-card strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.hub-stat-card.accent strong {
  color: #4f46e5;
}

.admin-hub-page.dark-mode .hub-stat-card.accent strong {
  color: #a5b4fc;
}

/* Module + activity grid */
.hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.hub-card {
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(246,250,255,0.92));
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.08);
  padding: 1.8rem;
}

.admin-hub-page.dark-mode .hub-card {
  border-color: rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(30,41,59,0.95), rgba(15,23,42,0.92));
}

.hub-card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.hub-card-title i {
  font-size: 1.1rem;
  color: #4f46e5;
}

.admin-hub-page.dark-mode .hub-card-title i {
  color: #a5b4fc;
}

.hub-card-title h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

/* Module links */
.hub-module-list {
  display: grid;
  gap: 0.75rem;
}

.hub-module-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255,255,255,0.6);
  color: inherit;
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.admin-hub-page.dark-mode .hub-module-link {
  background: rgba(15, 23, 42, 0.6);
}

.hub-module-link:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 70, 229, 0.36);
  background: rgba(79, 70, 229, 0.06);
}

.hub-module-link-body strong {
  display: block;
  font-weight: 700;
}

.hub-module-link-body span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted-text, #526173);
  margin-top: 0.2rem;
}

.hub-module-link i.fa-arrow-right {
  color: var(--muted-text, #526173);
  font-size: 0.9rem;
}

/* Activity list */
.hub-activity-list {
  display: grid;
  gap: 0.7rem;
}

.hub-activity-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.admin-hub-page.dark-mode .hub-activity-item {
  background: rgba(15, 23, 42, 0.55);
}

.hub-activity-item strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hub-activity-item p {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--muted-text, #526173);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.hub-status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  background: rgba(79, 70, 229, 0.1);
  color: #4338ca;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-hub-page.dark-mode .hub-status-badge {
  background: rgba(79, 70, 229, 0.22);
  color: #a5b4fc;
}

.hub-feedback {
  min-height: 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted-text, #526173);
}

.hub-empty {
  font-size: 0.9rem;
  color: var(--muted-text, #526173);
  padding: 0.5rem 0;
}

@media (max-width: 900px) {
  .hub-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 480px) {
  .hub-stats {
    grid-template-columns: 1fr;
  }
}