/* ============================================================
   CHECKOUT PAGE STYLES
   ============================================================ */

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 2.5rem;
  padding: 2.5rem 0 5rem;
  align-items: start;
}

/* Steps */
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 1.25rem 2rem;
}
.checkout-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  position: relative;
}
.checkout-step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  width: calc(50% - 20px);
  height: 2px;
  background: var(--gray-200);
  right: -1rem;
}
.checkout-step.done:not(:last-child)::after { background: var(--gold); }
.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-500);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800;
  flex-shrink: 0;
  transition: all var(--t);
}
.checkout-step.active .step-num { background: var(--gold); color: var(--black); }
.checkout-step.done .step-num { background: var(--success); color: var(--white); }
.step-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-400);
  line-height: 1.2;
}
.checkout-step.active .step-label { color: var(--dark); }
.checkout-step.done .step-label { color: var(--success); }

/* Checkout Section Cards */
.checkout-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  margin-bottom: 1.5rem;
  overflow: hidden;
}
.checkout-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}
.checkout-card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}
.checkout-card-title i { color: var(--gold); font-size: 1.1rem; }
.checkout-card-body { padding: 1.75rem; }

/* Form grid */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-row.thirds { grid-template-columns: 1fr 1fr 1fr; }
.form-row.full { grid-template-columns: 1fr; }

/* Same address checkbox */
.same-address-check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--gold-pale);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: var(--r);
  cursor: pointer;
  margin-bottom: 1.25rem;
}
.same-address-check input { display: none; }
.same-chk-box {
  width: 20px; height: 20px;
  border: 2px solid var(--gold);
  border-radius: var(--r-xs);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background var(--t-fast);
}
.same-address-check input:checked ~ .same-chk-box { background: var(--gold); }
.same-chk-box::after {
  content: '';
  width: 10px; height: 6px;
  border-left: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  transform: rotate(-45deg) translateY(-1px);
  display: none;
}
.same-address-check input:checked ~ .same-chk-box::after { display: block; }
.same-chk-label { font-size: 0.875rem; font-weight: 600; color: var(--dark); }

/* Payment Options */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.payment-method {
  border: 2px solid var(--gray-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t-fast);
  cursor: pointer;
}
.payment-method.selected { border-color: var(--gold); }
.payment-method-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
}
.payment-radio {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--t-fast);
}
.payment-method.selected .payment-radio { border-color: var(--gold); }
.payment-radio-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gold);
  transform: scale(0);
  transition: transform var(--t-fast);
}
.payment-method.selected .payment-radio-dot { transform: scale(1); }
.payment-method-label {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
}
.payment-icons {
  display: flex;
  gap: 0.4rem;
}
.pay-ico {
  height: 22px;
  object-fit: contain;
  border-radius: 3px;
  border: 1px solid var(--gray-200);
  padding: 0 4px;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--gray-600);
  display: flex; align-items: center;
  background: var(--white);
}

.payment-body {
  padding: 1.25rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  display: none;
}
.payment-method.selected .payment-body { display: block; }

/* Card fields */
.card-number-field { position: relative; }
.card-number-field i {
  position: absolute; right: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--gray-400);
}

/* UPI */
.upi-apps {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.upi-app-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r);
  cursor: pointer;
  transition: all var(--t-fast);
  background: var(--white);
}
.upi-app-btn:hover { border-color: var(--gold); background: var(--gold-pale); }
.upi-app-btn.active { border-color: var(--gold); background: var(--gold-pale); }
.upi-app-btn i { font-size: 1.5rem; color: var(--gray-600); }
.upi-app-btn span { font-size: 0.72rem; font-weight: 700; color: var(--gray-600); }

/* COD */
.cod-info {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--gold-pale);
  border-radius: var(--r);
  border: 1px solid rgba(201,168,76,0.2);
}
.cod-info i { font-size: 1.5rem; color: var(--gold); flex-shrink: 0; }
.cod-info p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.6; }

/* Place Order Button */
.place-order-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border: none;
  border-radius: var(--r-lg);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--t);
  margin-top: 1rem;
}
.place-order-btn:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* Order Success Modal */
.success-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: var(--z-modal);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 0; visibility: hidden;
  transition: all var(--t);
  backdrop-filter: blur(6px);
}
.success-modal-overlay.open { opacity: 1; visibility: visible; }
.success-modal {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 3rem;
  text-align: center;
  max-width: 480px; width: 100%;
  transform: scale(0.85);
  transition: transform var(--t-slow);
}
.success-modal-overlay.open .success-modal { transform: scale(1); }
.success-check {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--success-pale);
  border: 3px solid var(--success);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--success);
  margin: 0 auto 1.5rem;
  animation: checkPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s both;
}
@keyframes checkPop {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
.success-modal h2 { font-family: var(--font-heading); font-size: 1.8rem; color: var(--dark); margin-bottom: 0.75rem; }
.success-modal p { color: var(--gray-500); line-height: 1.7; margin-bottom: 2rem; }
.order-ref { font-weight: 800; color: var(--gold); font-size: 1.1rem; }

/* Checkout Summary Sidebar */
.checkout-summary {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.checkout-summary-header {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  padding: 1.25rem 1.5rem;
}
.checkout-summary-header h3 {
  font-family: var(--font-heading);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
}
.checkout-summary-body { padding: 1.5rem; }
.checkout-order-item {
  display: flex;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--gray-100);
}
.checkout-order-item:last-of-type { border-bottom: none; }
.order-item-img {
  width: 60px; height: 75px;
  object-fit: cover;
  border-radius: var(--r-sm);
  flex-shrink: 0;
  background: var(--gray-100);
}
.order-item-info {}
.order-item-name { font-size: 0.85rem; font-weight: 600; color: var(--dark); margin-bottom: 0.25rem; }
.order-item-attrs { font-size: 0.75rem; color: var(--gray-400); margin-bottom: 0.3rem; }
.order-item-price { font-size: 0.9rem; font-weight: 800; color: var(--dark); }
.order-item-qty { font-size: 0.75rem; color: var(--gray-500); }

/* Responsive */
@media (max-width: 1024px) {
  .checkout-layout { grid-template-columns: 1fr 340px; }
}
@media (max-width: 860px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary { position: static; }
  .form-row { grid-template-columns: 1fr; }
  .form-row.thirds { grid-template-columns: 1fr; }
  .checkout-steps { display: none; }
}