/* ==========================================================================
   SJCC LEARN — CHECKOUT & MOCK RAZORPAY CSS (#/checkout/:id)
   Order Summary, GST Breakdown, Role Tiers, Razorpay Simulation & Receipt
   ========================================================================== */

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-8);
  align-items: flex-start;
  margin-top: var(--space-6);
}

.checkout-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-1);
}

.checkout-card-header {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-light);
}

.order-item-row {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-light);
}

.order-item-thumb {
  width: 96px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-xs);
  object-fit: cover;
}

.price-breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--text-2);
  margin-bottom: var(--space-2);
}

.price-breakdown-row.total {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 2px solid var(--border-light);
}

/* Coupon Input */
.coupon-box {
  display: flex;
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.coupon-box input {
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: var(--font-semibold);
}

/* Razorpay Modal Overlay Simulation */
.razorpay-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 24, 38, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.razorpay-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.razorpay-modal-window {
  width: 680px;
  max-width: 100%;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 420px;
  color: #202124;
}

.razorpay-sidebar {
  background-color: #0C2340;
  color: #FFFFFF;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
}

.razorpay-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-5);
}

.razorpay-logo-badge {
  background: #1A73E8;
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
}

.razorpay-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.razorpay-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: #B0B7C3;
  border: none;
  font-size: var(--text-sm);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.razorpay-nav-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.razorpay-nav-btn.active {
  background: #1A73E8;
  color: #FFFFFF;
  font-weight: var(--font-semibold);
}

.razorpay-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  background-color: #FAFAFA;
}

.razorpay-tab-content {
  flex: 1;
}

.upi-qr-card {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  text-align: center;
  margin-bottom: var(--space-4);
}

.upi-qr-placeholder {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-2);
  background: #F1F3F4;
  border: 2px dashed #9AA0A6;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #5F6368;
}

@media (max-width: 768px) {
  .checkout-grid {
    grid-template-columns: 1fr;
  }
  .razorpay-modal-window {
    grid-template-columns: 1fr;
    min-height: auto;
    max-height: 90vh;
    overflow-y: auto;
  }
  .razorpay-sidebar {
    padding: var(--space-3);
  }
  .razorpay-nav {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: var(--space-2);
  }
  .razorpay-nav-btn {
    padding: 6px 10px;
    font-size: var(--text-xs);
    white-space: nowrap;
  }
  .razorpay-body {
    padding: var(--space-4);
  }
}