:root {
  --mza-primary: #1e293b;
  --mza-accent: #3b82f6;
  --mza-accent-hover: #2563eb;
  --mza-bg: #f8fafc;
  --mza-card-bg: #ffffff;
  --mza-border: #e2e8f0;
  --mza-text: #334155;
  --mza-text-muted: #64748b;
  --mza-success: #22c55e;
}

.mza-checkout-outer {
  background-color: var(--mza-bg);
  min-height: 100vh;
  padding: 40px 20px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--mza-text);
}

.mza-checkout-container {
  max-width: 1100px;
  margin: 0 auto;
}

.mza-checkout-card {
  display: flex;
  background: var(--mza-card-bg);
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  border: 1px solid var(--mza-border);
}

/* Sidebar Styling */
.mza-checkout-sidebar {
  flex: 0 0 380px;
  background: #f1f5f9;
  padding: 40px;
  border-right: 1px solid var(--mza-border);
}

.mza-sidebar-sticky {
  position: sticky;
  top: 40px;
}

.mza-checkout-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 30px;
  color: var(--mza-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mza-product-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

.mza-product-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--mza-primary);
  margin-bottom: 4px;
}

.mza-product-billing {
  font-size: 0.875rem;
  color: var(--mza-text-muted);
}

.mza-product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--mza-primary);
}

.mza-summary-divider {
  height: 1px;
  background: var(--mza-border);
  margin: 25px 0;
}

.mza-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.mza-total-amount {
  color: var(--mza-accent);
  font-size: 1.5rem;
}

.mza-trust-section {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--mza-border);
}

.mza-trust-section p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--mza-text-muted);
  margin-bottom: 20px;
}

.mza-secure-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mza-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Area Styling */
.mza-checkout-main {
  flex: 1;
  padding: 60px;
}

/* Progress Bar */
.mza-progress-container {
  margin-bottom: 60px;
}

.mza-progress-bar {
  display: flex;
  justify-content: space-between;
  position: relative;
  max-width: 400px;
  margin: 0 auto;
}

.mza-progress-bar::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--mza-border);
  z-index: 1;
}

.mza-progress-line {
  position: absolute;
  top: 15px;
  left: 0;
  height: 2px;
  background: var(--mza-accent);
  z-index: 2;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mza-progress-step {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.mza-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--mza-card-bg);
  border: 2px solid var(--mza-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--mza-text-muted);
  transition: all 0.3s;
}

.mza-step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mza-text-muted);
  text-transform: uppercase;
  transition: color 0.3s;
}

.mza-progress-step.is-active .mza-step-number {
  border-color: var(--mza-accent);
  color: var(--mza-accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

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

.mza-progress-step.is-complete .mza-step-number {
  background: var(--mza-accent);
  border-color: var(--mza-accent);
  color: white;
}

/* Form Steps */
.mza-form-step {
  display: none;
  animation: mzaFadeIn 0.5s ease-out;
}

.mza-form-step.is-active {
  display: block;
}

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

.mza-step-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--mza-primary);
}

.mza-step-desc {
  color: var(--mza-text-muted);
  margin-bottom: 40px;
}

/* Form Elements */
/* Form Elements */
.mza-recurly-form input.is-invalid,
.mza-recurly-form select.is-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.mza-recurly-form .mza-field-error {
  color: #ef4444;
  font-size: 0.8125rem;
  margin-top: 6px;
}

.mza-recurly-form label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 8px;
  color: var(--mza-primary);
}

.mza-recurly-form input,
.mza-recurly-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--mza-border);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.2s;
  margin-bottom: 24px;
}

.mza-recurly-form input:focus {
  outline: none;
  border-color: var(--mza-accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.field-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.mza-payment-container {
  border: 1.5px solid var(--mza-border);
  border-radius: 12px;
  padding: 16px;
  background: #fff;
  margin-bottom: 30px;
  transition: border-color 0.2s;
}

.mza-payment-container:focus-within {
  border-color: var(--mza-accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

#recurly-elements {
  min-height: 40px;
}

/* Buttons */
.mza-form-actions {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.mza-next-btn, .mza-submit-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--mza-accent);
  color: white;
  border: none;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.mza-next-btn:hover, .mza-submit-btn:hover {
  background: var(--mza-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.mza-back-btn {
  background: transparent;
  color: var(--mza-text-muted);
  border: 1.5px solid var(--mza-border);
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.mza-back-btn:hover {
  border-color: var(--mza-text-muted);
  color: var(--mza-primary);
}

.mza-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Alerts */
.mza-alert {
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 30px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.mza-alert.is-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fee2e2;
}

/* Success View */
.mza-success-view {
  text-align: center;
  padding: 40px 0;
  animation: mzaFadeIn 0.8s ease-out;
}

.mza-success-icon {
  width: 80px;
  height: 80px;
  background: #f0fdf4;
  color: var(--mza-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
}

.mza-success-icon span {
  font-size: 48px;
  width: 48px;
  height: 48px;
}

.mza-success-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 15px;
}

.mza-success-message {
  color: var(--mza-text-muted);
  font-size: 1.125rem;
  max-width: 400px;
  margin: 0 auto 40px;
}

/* Responsive */
@media (max-width: 960px) {
  .mza-checkout-card {
    flex-direction: column;
  }
  .mza-checkout-sidebar {
    flex: none;
    padding: 30px;
    border-right: none;
    border-bottom: 1px solid var(--mza-border);
  }
  .mza-checkout-main {
    padding: 40px 30px;
  }
}

@media (max-width: 640px) {
  .field-group {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .mza-progress-container {
    margin-bottom: 40px;
  }
  .mza-step-title {
    font-size: 1.5rem;
  }
}