.sse-product-grid {
  --sse-columns: 4;
  display: grid;
  grid-template-columns: repeat(var(--sse-columns), minmax(0, 1fr));
  gap: 24px;
}

.sse-product-card {
  border: 1px solid #e6e6e6;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
}

.sse-product-image-link {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f4f4f4;
}

.sse-product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 180ms ease;
}

.sse-product-card:hover .sse-product-image {
  transform: scale(1.04);
}

.sse-product-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.sse-product-title {
  font-size: 18px;
  line-height: 1.25;
  margin: 0;
}

.sse-product-title a {
  color: inherit;
  text-decoration: none;
}

.sse-product-description {
  margin: 0;
  color: #555;
  font-size: 14px;
  line-height: 1.45;
}

.sse-product-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.sse-product-price {
  font-weight: 700;
}

.sse-add-to-cart,
.sse-checkout-button,
.sse-cart-item button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  background: #111;
  color: #fff;
  font-weight: 700;
}

.sse-add-to-cart:hover,
.sse-checkout-button:hover,
.sse-cart-item button:hover {
  opacity: 0.86;
}

.sse-cart {
  border: 1px solid #e6e6e6;
  border-radius: 18px;
  padding: 24px;
  background: #fff;
  max-width: 840px;
}

.sse-cart h2 {
  margin-top: 0;
}

.sse-cart-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sse-cart-item {
  display: grid;
  grid-template-columns: 72px 1fr 80px auto;
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid #eee;
  padding-bottom: 14px;
}

.sse-cart-item img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 12px;
  background: #f4f4f4;
}

.sse-cart-item-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sse-cart-item-main span {
  color: #666;
  font-size: 14px;
}

.sse-cart-item input {
  width: 72px;
  padding: 8px;
}

.sse-cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 20px;
  margin: 18px 0;
}

.sse-cart-message {
  margin-top: 12px;
  color: #b00020;
}

.sse-payment-message {
  padding: 24px;
  border-radius: 16px;
  background: #f7f7f7;
}

.sse-payment-success {
  border-left: 5px solid #14883e;
}

.sse-payment-cancel {
  border-left: 5px solid #b7791f;
}

@media (max-width: 900px) {
  .sse-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .sse-cart-item {
    grid-template-columns: 64px 1fr;
  }

  .sse-cart-item input,
  .sse-cart-item button {
    grid-column: 2;
  }
}