/* ===================================== */
/* PROFESSIONAL CHECKOUT MODAL */
/* ===================================== */

/* Modal Backdrop */
.checkout-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

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

/* Modal Container */
.checkout-modal-container {
  position: relative;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkout-modal-backdrop.active .checkout-modal-container {
  transform: scale(1) translateY(0);
}

/* Close Button */
.checkout-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  border: 2px solid #E2E8F0;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 10;
}

.checkout-modal-close:hover {
  background: #F7FAFC;
  border-color: #CBD5E0;
  color: var(--text-primary);
  transform: rotate(90deg);
}

/* Modal Content - Two Column Layout */
.checkout-modal-content {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 500px;
}

@media (min-width: 768px) {
  .checkout-modal-content {
    grid-template-columns: 400px 1fr;
  }
}

/* ===================================== */
/* LEFT SIDE - ORDER SUMMARY */
/* ===================================== */

.checkout-summary {
  background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.checkout-summary-header {
  padding-bottom: var(--space-md);
  border-bottom: 2px solid #E2E8F0;
}

.checkout-summary-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.02em;
}

/* Plan Details */
.checkout-plan-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.checkout-plan-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  color: #92400E;
  font-size: var(--font-xs);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
  border: 1.5px solid #F59E0B;
}

.checkout-plan-name {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.03em;
}

.checkout-plan-description {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Price Breakdown */
.checkout-price-breakdown {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.checkout-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
}

.checkout-price-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.checkout-price-original {
  font-size: var(--font-sm);
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 600;
}

.checkout-price-discount .checkout-price-label {
  color: #059669;
}

.checkout-price-discount .checkout-price-amount {
  color: #059669;
  font-weight: 700;
  font-size: var(--font-sm);
}

.checkout-price-divider {
  height: 1px;
  background: #E2E8F0;
  margin: var(--space-sm) 0;
}

.checkout-price-total {
  padding-top: var(--space-md);
}

.checkout-price-total .checkout-price-label {
  font-size: var(--font-base);
  color: var(--text-primary);
  font-weight: 700;
}

.checkout-price-final {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

/* What's Included */
.checkout-includes {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.checkout-includes-title {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.checkout-includes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.checkout-includes-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.checkout-check-icon {
  width: 20px;
  height: 20px;
  color: #10B981;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Trust Badges */
.checkout-trust {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px solid #E2E8F0;
}

.checkout-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-xs);
  color: var(--text-secondary);
  font-weight: 600;
}

.checkout-trust-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* ===================================== */
/* RIGHT SIDE - CHECKOUT FORM */
/* ===================================== */

.checkout-form-container {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.checkout-form-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checkout-form-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.03em;
}

.checkout-form-subtitle {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Error Message */
.checkout-error-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
  border: 2px solid #EF4444;
  border-radius: var(--radius-md);
  color: #DC2626;
  font-size: var(--font-sm);
  font-weight: 600;
  animation: errorShake 0.4s ease-out;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.checkout-error-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Form Styling */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.checkout-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checkout-form-label {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.checkout-form-required {
  color: #EF4444;
}

.checkout-form-optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: var(--font-xs);
}

.checkout-input-wrapper {
  position: relative;
}

.checkout-input-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}

.checkout-form-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) + 32px);
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-md);
  font-size: var(--font-base);
  color: var(--text-primary);
  background: white;
  transition: all 0.2s ease;
  font-family: inherit;
}

.checkout-form-input:hover {
  border-color: #CBD5E0;
}

.checkout-form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(123, 141, 172, 0.1);
}

.checkout-form-input::placeholder {
  color: var(--text-muted);
}

.checkout-input-help {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin: 0;
  font-style: italic;
}

/* Checkbox */
.checkout-form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.checkout-checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--primary);
}

.checkout-checkbox-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.checkout-link {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
  transition: color 0.2s ease;
}

.checkout-link:hover {
  color: color-mix(in srgb, var(--primary) 80%, black);
}

/* Submit Button */
.checkout-submit-btn {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--primary) 0%, color-mix(in srgb, var(--primary) 85%, black) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-base);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(123, 141, 172, 0.3);
  position: relative;
  overflow: hidden;
}

.checkout-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(123, 141, 172, 0.4);
}

.checkout-submit-btn:active:not(:disabled) {
  transform: translateY(0);
}

.checkout-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.checkout-submit-text,
.checkout-submit-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.checkout-submit-icon {
  width: 20px;
  height: 20px;
}

/* Spinner Animation */
.checkout-spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

.checkout-spinner-circle {
  stroke-dasharray: 60;
  stroke-dashoffset: 20;
  animation: spinnerDash 1.5s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes spinnerDash {
  0% { stroke-dashoffset: 60; }
  50% { stroke-dashoffset: 15; }
  100% { stroke-dashoffset: 60; }
}

/* Stripe Badge */
.checkout-stripe-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-size: var(--font-xs);
  color: var(--text-muted);
  padding: var(--space-sm) 0;
}

.checkout-stripe-icon {
  width: 16px;
  height: 16px;
}

/* Money-Back Guarantee */
.checkout-guarantee {
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  border: 2px solid #10B981;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.checkout-guarantee-icon {
  font-size: var(--font-2xl);
  flex-shrink: 0;
}

.checkout-guarantee-content {
  flex: 1;
}

.checkout-guarantee-title {
  font-size: var(--font-sm);
  font-weight: 700;
  color: #065F46;
  margin: 0 0 4px 0;
}

.checkout-guarantee-text {
  font-size: var(--font-xs);
  color: #047857;
  margin: 0;
  line-height: 1.5;
}

/* ===================================== */
/* RESPONSIVE DESIGN */
/* ===================================== */

@media (max-width: 767px) {
  .checkout-modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }

  .checkout-modal-container {
    max-height: 95vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .checkout-modal-content {
    grid-template-columns: 1fr;
  }

  .checkout-summary {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-xl);
  }

  .checkout-form-container {
    padding: var(--space-xl);
  }

  .checkout-modal-close {
    top: var(--space-sm);
    right: var(--space-sm);
    width: 36px;
    height: 36px;
  }

  .checkout-trust {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .checkout-modal-backdrop,
  .checkout-modal-container,
  .checkout-submit-btn,
  .checkout-spinner,
  .checkout-spinner-circle {
    animation: none !important;
    transition: none !important;
  }

  .checkout-modal-backdrop.active .checkout-modal-container {
    transform: none;
  }
}

/* Focus Styles for Accessibility */
.checkout-form-input:focus-visible,
.checkout-checkbox-input:focus-visible,
.checkout-submit-btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}