/**
 * Settings hub — in-page nav + panel transitions (FlowBoard)
 */
#settings-panels-root {
  --settings-accent: #6366f1;
}

.settings-nav-btn {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  text-align: left;
  padding: 0.625rem 0.875rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
}

.settings-nav-btn:hover {
  background: rgba(99, 102, 241, 0.06);
  color: #334155;
}

.settings-nav-btn.is-active {
  background: #fff;
  color: #4338ca;
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.06),
    0 0 0 1px rgba(99, 102, 241, 0.12);
}

/* Mobile / tablet: vertical list — all sections visible (no horizontal scroll).
   Desktop sidebar keeps the same stacked layout; active chip contrasts with rail. */
@media (max-width: 1023px) {
  .settings-nav-rail .settings-nav-btn {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border-radius: 0.625rem;
    font-size: 0.8125rem;
    border: 1px solid transparent;
    box-sizing: border-box;
  }

  .settings-nav-rail .settings-nav-btn.is-active {
    background: rgba(99, 102, 241, 0.11);
    color: #4338ca;
    box-shadow: none;
    border-color: rgba(99, 102, 241, 0.28);
  }

  .settings-nav-rail .settings-nav-btn:not(.is-active):hover {
    background: rgba(99, 102, 241, 0.06);
  }

  .settings-nav-rail .settings-nav-btn svg {
    width: 1rem;
    height: 1rem;
  }
}

.settings-nav-btn svg {
  width: 1.125rem;
  height: 1.125rem;
  opacity: 0.85;
  flex-shrink: 0;
}

.settings-panel {
  display: none;
  animation: settingsPanelIn 0.22s ease-out;
}

.settings-panel.is-active {
  display: block;
}

@keyframes settingsPanelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.settings-field-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 0.375rem;
}

.settings-card {
  border-radius: 1rem;
  border: 1px solid rgb(226 232 240 / 0.95);
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.settings-card h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.settings-sticky-actions .btn-save {
  background: linear-gradient(135deg, var(--settings-accent) 0%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.settings-sticky-actions .btn-save:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.settings-sticky-actions .btn-save:active {
  transform: translateY(0);
}

body.cpt-settings-font-sm .cpt-settings-scope {
  font-size: 0.875rem;
}

body.cpt-settings-font-lg .cpt-settings-scope {
  font-size: 1.0625rem;
}