/* ==========================================================================
   DEVSTUDIO — SECURE CHECKOUT STYLESHEET
   Progress Indicators, Shipping Matrix, Input Validations & Order Snapshot
   ========================================================================== */

/* 1. Minimalist Secure Header */
.checkout-minimal-header {
  background-color: var(--ds-bg-surface);
  border-bottom: 1px solid var(--ds-border-subtle);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.checkout-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.checkout-brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

/* Step Progress Indicator */
.checkout-progress-bar {
  display: flex;
  align-items: center;
}

.steps-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--ds-text-tertiary);
  font-weight: var(--ds-font-weight-medium);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: var(--ds-radius-full);
  background-color: var(--ds-bg-surface-secondary);
  border: 1px solid var(--ds-border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: var(--ds-font-weight-bold);
  color: var(--ds-text-secondary);
}

.step-completed .step-num {
  background-color: var(--ds-color-success);
  border-color: var(--ds-color-success);
  color: var(--ds-color-white);
}

.step-completed .step-name {
  color: var(--ds-text-primary);
}

.step-active .step-num {
  background-color: var(--ds-brand-accent);
  border-color: var(--ds-brand-accent);
  color: var(--ds-color-white);
}

.step-active .step-name {
  color: var(--ds-brand-accent);
  font-weight: var(--ds-font-weight-semibold);
}

.step-divider {
  width: 24px;
  height: 1px;
  background-color: var(--ds-border-default);
}

.checkout-ssl-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: var(--ds-font-weight-semibold);
  color: var(--ds-color-success);
  background-color: var(--ds-color-success-bg);
  padding: 4px 10px;
  border-radius: var(--ds-radius-full);
  border: 1px solid rgba(14, 131, 69, 0.2);
}

/* 2. Main Checkout Layout Grid */
.checkout-main-content {
  background-color: var(--ds-bg-page);
  padding: 40px 0 88px 0;
}

.checkout-container-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  align-items: flex-start;
}

/* 3. Left: Form Cards */
.checkout-forms-column {
  display: flex;
  flex-direction: column;
}

.checkout-form-card {
  background-color: var(--ds-bg-surface);
  border: 1px solid var(--ds-border-subtle);
  border-radius: var(--ds-radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.form-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ds-border-subtle);
}

.card-step-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--ds-radius-full);
  background-color: var(--ds-brand-accent);
  color: var(--ds-color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: var(--ds-font-weight-bold);
  flex-shrink: 0;
}

.form-card-title {
  font-size: 1.1875rem;
  font-weight: var(--ds-font-weight-bold);
  color: var(--ds-text-primary);
}

.form-card-sub {
  font-size: 0.8125rem;
  color: var(--ds-text-secondary);
  margin-top: 2px;
}

.form-grid-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-span-full {
  grid-column: span 2;
}

.checkout-submit-row {
  margin-top: 8px;
}

.checkout-terms-notice {
  font-size: 0.75rem;
  color: var(--ds-text-tertiary);
  text-align: center;
  margin-top: 12px;
}

.checkout-terms-notice a {
  color: var(--ds-text-secondary);
  text-decoration: underline;
}

/* 4. Right: Order Snapshot Sidebar */
.checkout-summary-column {
  position: sticky;
  top: 90px;
}

.checkout-summary-card {
  background-color: var(--ds-bg-surface);
  border: 1px solid var(--ds-border-subtle);
  border-radius: var(--ds-radius-lg);
  padding: 24px;
}

.checkout-mini-items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ds-border-subtle);
  max-height: 240px;
  overflow-y: auto;
}

.mini-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-item-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--ds-radius-xs);
  background-color: var(--ds-bg-surface-secondary);
  border: 1px solid var(--ds-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: var(--ds-font-weight-semibold);
  color: var(--ds-text-muted);
  flex-shrink: 0;
}

.mini-item-info {
  flex: 1;
  min-width: 0;
}

.mini-item-title {
  font-size: 0.8125rem;
  font-weight: var(--ds-font-weight-semibold);
  color: var(--ds-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-item-qty {
  font-size: 0.75rem;
  color: var(--ds-text-tertiary);
}

.mini-item-price {
  font-size: 0.875rem;
  font-weight: var(--ds-font-weight-bold);
  color: var(--ds-text-primary);
  flex-shrink: 0;
}

.checkout-payment-notice {
  background-color: var(--ds-bg-surface-secondary);
  border: 1px solid var(--ds-border-subtle);
  border-radius: var(--ds-radius-md);
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 20px;
}

.checkout-payment-notice .notice-icon svg {
  color: var(--ds-brand-accent);
  margin-top: 2px;
}

.checkout-payment-notice strong {
  display: block;
  font-size: 0.8125rem;
  color: var(--ds-text-primary);
  margin-bottom: 2px;
}

.checkout-payment-notice p {
  font-size: 0.75rem;
  color: var(--ds-text-secondary);
  line-height: 1.45;
}

/* 5. Responsive Breakpoints */
@media (max-width: 1024px) {
  .checkout-container-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .checkout-summary-column {
    position: static;
  }

  .checkout-progress-bar {
    display: none;
  }
}

@media (max-width: 600px) {
  .form-grid-dual {
    grid-template-columns: 1fr;
  }

  .form-span-full {
    grid-column: span 1;
  }

  .checkout-form-card {
    padding: 20px 16px;
  }
}