:root {
  --mgr-accent: #2563eb;
  --mgr-accent-hover: #1d4ed8;
  --mgr-accent-soft: #dbeafe;
  --mgr-bg: #f1f5f9;
  --mgr-card: #ffffff;
  --mgr-border: #e2e8f0;
  --mgr-text: #0f172a;
  --mgr-muted: #64748b;
  --mgr-radius: 18px;
  --mgr-radius-sm: 12px;
  --mgr-font: 'Poppins', 'Plus Jakarta Sans', system-ui, sans-serif;
}

body.checkout-gestionale {
  font-family: var(--mgr-font);
  background: var(--mgr-bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 100% -20%, rgba(37, 99, 235, 0.07), transparent 52%),
    radial-gradient(ellipse 90% 60% at -10% 110%, rgba(14, 165, 233, 0.08), transparent 48%);
  min-height: 100vh;
  color: var(--mgr-text);
}

.mgr-checkout-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 100%);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 8px 32px -12px rgba(15, 23, 42, 0.08);
}

.mgr-card {
  background: var(--mgr-card);
  border: 1px solid var(--mgr-border);
  border-radius: var(--mgr-radius);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -4px rgba(15, 23, 42, 0.08);
}

.mgr-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--mgr-border);
}

.mgr-card-body {
  padding: 1.5rem;
}

.mgr-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--mgr-accent) 0%, #1a6fc4 100%);
  color: #fff;
  font-weight: 600;
  border-radius: var(--mgr-radius-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.mgr-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.mgr-btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mgr-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--mgr-text);
  font-weight: 600;
  border: 1px solid var(--mgr-border);
  border-radius: var(--mgr-radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  transition: background 0.2s, border-color 0.2s;
}

.mgr-btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.mgr-input {
  width: 100%;
  border-radius: var(--mgr-radius-sm);
  border: 1.5px solid var(--mgr-border);
  background: #f8fafc;
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.mgr-input:focus {
  outline: none;
  border-color: var(--mgr-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: #fff;
}

.mgr-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
}

.mgr-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 5rem;
}

.mgr-step-dot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  border: 2px solid #cbd5e1;
  color: #94a3b8;
  background: #fff;
  transition: all 0.25s;
}

.mgr-step.is-active .mgr-step-dot {
  border-color: var(--mgr-accent);
  background: var(--mgr-accent);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.18);
}

.mgr-step.is-done .mgr-step-dot {
  border-color: #10b981;
  background: #ecfdf5;
  color: #059669;
}

.mgr-step-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mgr-muted);
}

.mgr-step.is-active .mgr-step-label {
  color: var(--mgr-accent);
}

.mgr-step-line {
  width: 3rem;
  height: 2px;
  background: #e2e8f0;
  margin-bottom: 1.25rem;
  transition: background 0.25s;
}

.mgr-step-line.is-done {
  background: #10b981;
}

.mgr-plan-card {
  cursor: pointer;
  border: 1.5px solid var(--mgr-border);
  border-radius: var(--mgr-radius-sm);
  padding: 1.15rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.mgr-plan-card:hover {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.mgr-plan-card.is-selected {
  border-color: var(--mgr-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}

.mgr-summary {
  position: sticky;
  top: 5.5rem;
}

.mgr-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  padding: 0.35rem 0;
}

.mgr-summary-total {
  border-top: 1px solid var(--mgr-border);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  font-weight: 700;
  font-size: 1.05rem;
}

#payment-element {
  min-height: 120px;
}

.stripe-trust {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--mgr-radius-sm);
  background: #f8fafc;
  border: 1px solid var(--mgr-border);
  font-size: 0.75rem;
  color: var(--mgr-muted);
}

.stripe-trust svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.checkout-panel-enter {
  animation: mgrPanelIn 0.35s ease;
}

@keyframes mgrPanelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}