/* ============================================
   Z2X.tech — Cart & checkout styles
   ============================================ */

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  padding: 32px 24px 64px;
  align-items: start;
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-items: center;
}
.cart-item__icon {
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
  background: var(--grad-soft);
  border-radius: var(--radius-sm);
  font-size: 36px;
}
.cart-item__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cart-item__name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
}
.cart-item__name:hover { color: var(--primary); }
.cart-item__variant { font-size: 13px; color: var(--text-dim); }
.cart-item__row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.cart-item__remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}
.cart-item__remove:hover { color: var(--danger); }

.cart-item__qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  overflow: hidden;
}
.cart-item__qty button {
  width: 30px;
  height: 32px;
  font-size: 16px;
  color: var(--text);
}
.cart-item__qty button:hover { background: var(--bg-card); }
.cart-item__qty input {
  width: 38px;
  height: 32px;
  border: none;
  text-align: center;
  background: transparent;
  font-weight: 600;
  font-size: 13px;
  padding: 0;
}
.cart-item__qty input:focus { box-shadow: none; }

.cart-item__price {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cart-item__price-total {
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
}
.cart-item__price-unit {
  font-size: 12px;
  color: var(--text-muted);
}

.summary {
  position: sticky;
  top: 88px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.summary h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.summary__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-dim);
}
.summary__row strong { color: var(--text); font-weight: 600; }
.summary__divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}
.summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 8px 0 16px;
}
.summary__total-label { font-weight: 600; font-size: 15px; }
.summary__total-amount {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
}
.summary__savings {
  background: rgba(16,185,129,0.1);
  color: var(--success);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  text-align: center;
}
.coupon-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.coupon-row input { flex: 1; }
.coupon-row button {
  padding: 10px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
}
.coupon-row button:hover { border-color: var(--primary); }

.summary__pay {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.5;
}
.summary__pay strong { color: var(--text-dim); display: block; margin-bottom: 4px; font-weight: 600; }

/* Checkout form */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.checkout-form fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg-card);
}
.checkout-form legend {
  padding: 0 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field label { font-size: 13px; color: var(--text-dim); font-weight: 500; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.pay-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.pay-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.pay-opt:hover { border-color: var(--border-light); }
.pay-opt input { display: none; }
.pay-opt input:checked + span { color: var(--primary); }
.pay-opt:has(input:checked) {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.08);
}
.pay-opt__icon { font-size: 22px; }

@media (max-width: 900px) {
  .cart-layout { grid-template-columns: 1fr; }
  .summary { position: static; }
  .field-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cart-item { grid-template-columns: 60px 1fr; }
  .cart-item__icon { width: 60px; height: 60px; font-size: 28px; }
  .cart-item__price { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; }
}