/* ================================================================
   MODAL — Overlay, content, close button, checkout flow
   Mobile-first. Uses var(--vc-*) tokens exclusively.
   ================================================================ */

/* ----------------------------------------------------------------
   1. GENERIC MODAL
   ---------------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--vc-bg-surface);
  border: 1px solid var(--vc-border-default);
  border-radius: var(--r-xl);
  padding: var(--sp-10);
  max-width: 520px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--sp-5);
  right: var(--sp-5);
  background: none;
  border: none;
  color: var(--vc-text-tertiary);
  font-size: 24px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
}

.modal-close:hover {
  background: var(--vc-bg-glass-hover);
  color: var(--vc-text-primary);
}

/* ----------------------------------------------------------------
   2. CHECKOUT MODAL
   ---------------------------------------------------------------- */

.checkout-modal {
  max-width: 560px;
}

.checkout-header h2 {
  font-size: 24px;
  color: var(--vc-text-primary);
  margin-bottom: var(--sp-2);
}

.checkout-steps {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  margin: var(--sp-6) 0;
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--vc-border-subtle);
}

.checkout-steps .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.checkout-steps .step-number {
  width: 32px;
  height: 32px;
  border-radius: var(--r-full);
  background: var(--vc-bg-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-family: var(--font-mono);
  color: var(--vc-text-tertiary);
}

.checkout-steps .step.active .step-number {
  background: var(--vc-accent);
  color: var(--vc-bg-base);
}

.checkout-steps .step.completed .step-number {
  background: var(--vc-green);
  color: var(--vc-bg-base);
}

.step-label {
  font-size: 12px;
  color: var(--vc-text-muted);
}

.step-connector {
  width: 40px;
  height: 2px;
  background: var(--vc-border-default);
  align-self: center;
}

/* ----------------------------------------------------------------
   3. CHECKOUT BUTTONS
   ---------------------------------------------------------------- */

.checkout-btn {
  width: 100%;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}

.checkout-btn.primary {
  background: var(--vc-founder-gradient);
  color: var(--vc-bg-base);
  border: none;
}

.checkout-btn.secondary {
  background: none;
  border: 1px solid var(--vc-border-default);
  color: var(--vc-text-secondary);
}

.checkout-btn.text {
  background: none;
  border: none;
  color: var(--vc-text-tertiary);
  font-size: 14px;
}

/* ----------------------------------------------------------------
   4. CHECKOUT LAYOUT ELEMENTS
   ---------------------------------------------------------------- */

.checkout-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin: var(--sp-6) 0;
  color: var(--vc-text-muted);
  font-size: 13px;
}

.checkout-divider::before,
.checkout-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--vc-border-subtle);
}

.order-summary {
  background: var(--vc-bg-glass);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  margin-bottom: var(--sp-6);
}

.order-total {
  display: flex;
  justify-content: space-between;
  padding-top: var(--sp-4);
  margin-top: var(--sp-4);
  border-top: 1px solid var(--vc-border-subtle);
  font-weight: 600;
}

.checkout-trust {
  display: flex;
  justify-content: center;
  gap: var(--sp-6);
  font-size: 12px;
  color: var(--vc-text-muted);
  margin-top: var(--sp-4);
}

/* ----------------------------------------------------------------
   5. SUCCESS STATE
   ---------------------------------------------------------------- */

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--r-full);
  background: var(--vc-green-subtle);
  color: var(--vc-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto var(--sp-5);
}

/* ----------------------------------------------------------------
   6. STRIPE CARD ELEMENT
   ---------------------------------------------------------------- */

.stripe-card-element {
  background: var(--vc-bg-surface-2);
  border: 1px solid var(--vc-border-default);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  min-height: 44px;
}

/* ----------------------------------------------------------------
   7. REFERRAL
   ---------------------------------------------------------------- */

.referral-group .referral-input-wrapper {
  display: flex;
  position: relative;
}

.referral-status {
  position: absolute;
  right: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
}

.referral-feedback {
  font-size: 13px;
  margin-top: var(--sp-2);
}

.referral-feedback.valid {
  color: var(--vc-green);
}

.referral-feedback.invalid {
  color: var(--vc-red);
}

/* ----------------------------------------------------------------
   8. FORM ERROR
   ---------------------------------------------------------------- */

.form-error {
  color: var(--vc-red);
  font-size: 13px;
  margin-top: var(--sp-2);
}