body.modal-open {
  overflow: hidden;
}

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.onboarding-overlay.hidden {
  display: none;
}

.onboarding-modal {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem 2rem 1.5rem;
}

.onboarding-close {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  color: #9ca3af;
  padding: 0.25rem;
  line-height: 0;
  transition: color 0.15s;
}

.onboarding-close:hover {
  color: #374151;
}

.onboarding-step {
  flex: 1;
  min-height: 260px;
}

.onboarding-step.hidden {
  display: none;
}

.onboarding-step-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #c0392b;
  margin-bottom: 0.5rem;
}

.onboarding-step-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #111827;
  margin: 0 0 1.1rem;
}

.onboarding-step p {
  margin: 0 0 0.85rem;
  line-height: 1.7;
  color: #374151;
  font-size: 0.9375rem;
}

.onboarding-step p:last-child {
  margin-bottom: 0;
}

.onboarding-list {
  margin: 0 0 0.85rem;
  padding-left: 1.25rem;
  color: #374151;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.onboarding-list li {
  margin-bottom: 0.35rem;
}

.onboarding-tip {
  margin-top: 1rem !important;
  padding: 0.75rem 1rem;
  background: #f9fafb;
  border-left: 3px solid #e5e7eb;
  border-radius: 0 6px 6px 0;
  font-size: 0.875rem !important;
  color: #6b7280 !important;
}

.onboarding-final {
  margin-top: 1rem !important;
  padding: 1rem 1.25rem;
  background: #fef2f2;
  border-left: 3px solid #c0392b;
  border-radius: 0 6px 6px 0;
  color: #374151 !important;
}

.onboarding-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid #f3f4f6;
}

.onboarding-counter {
  font-size: 0.8125rem;
  color: #9ca3af;
  font-weight: 500;
}

.onboarding-footer-actions {
  display: flex;
  gap: 0.5rem;
}

.onboarding-btn {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
}

.onboarding-btn.hidden {
  display: none;
}

.onboarding-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.onboarding-btn-secondary {
  background: #f3f4f6;
  color: #374151;
}

.onboarding-btn-secondary:not(:disabled):hover {
  background: #e5e7eb;
}

.onboarding-btn-primary {
  background: #1976d2;
  color: #fff;
}

.onboarding-btn-primary:hover {
  background: #1565c0;
}

@media (max-width: 600px) {
  .onboarding-modal {
    padding: 2rem 1.5rem 1.5rem;
    max-height: 95vh;
  }

  .onboarding-step {
    min-height: 200px;
  }
}