.hub-shell {
  padding: 32px 48px 56px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 32px;
  color: var(--on-surface);
}

.hub-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-family: var(--font-mono);
}

.hub-title {
  font-size: clamp(2.8rem, 5vw, 3.6rem);
  margin: 0;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  gap: 14px;
}
.hub-title-favicon {
  width: clamp(2.4rem, 4vw, 3.2rem);
  height: clamp(2.4rem, 4vw, 3.2rem);
  object-fit: contain;
}

.hub-hero .hub-subtitle {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.hub-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-top: 6px;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.hub-card {
  background: var(--surface-container);
  border-radius: 24px;
  border: 1px solid var(--outline-variant);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  animation: fadeUp 0.45s ease both;
}

.hub-card .card-icon {
  font-size: 36px;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hub-card h3 {
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hub-card p {
  color: var(--color-text-secondary);
  flex: 1;
}

.hub-card .hub-card-action {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(120deg, #33aef1, #7c3aed);
  color: #fff;
}
:root:not(.dark) .hub-card .hub-card-action {
  background: linear-gradient(120deg, #1a8ad4, #6d28d9);
  color: #fff;
}

.hub-card .hub-card-action.disabled,
.hub-card .hub-card-action[disabled] {
  background: transparent !important;
  color: var(--on-surface-variant) !important;
  border: 1px dashed var(--outline-variant) !important;
  cursor: not-allowed !important;
  opacity: 0.5;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hub-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.hidden { display: none !important; }