.cart-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}
#wc_customer{
  padding-top: 10rem !important;
}
.cart_page_title {
  font-size: 1.8rem;
  color: #1a2b3c;
  margin-bottom: 2.5rem;
  font-weight: 500;
  text-align: center;
  position: relative;
}

.cart_page_title:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #007bff;
  border-radius: 2px;
}

.cart_navi {
  margin: 3rem 0;
  padding: 0 1rem;
}

.cart_navi ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  padding: 0;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.cart_navi ul::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: #e9ecef;
  z-index: -1;
}

.cart_navi li {
  background: #fff;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  color: #6c757d;
  font-size: 0.9rem;
  font-weight: 500;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
}

.cart_navi li.current {
  background: #1a2b3c;
  color: white;
  border-color: #1a2b3c;
  box-shadow: 0 4px 15px rgba(26,43,60,0.2);
}

#cart_table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 1rem;
  margin: 2rem 0;
}

#cart_table th {
  padding: 1rem;
  text-align: left;
  color: #1a2b3c;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #e9ecef;
}

#cart_table td {
  padding: 1.2rem 1rem;
  background: #f8f9fa;
  vertical-align: middle;
}

#cart_table tbody tr {
  transition: all 0.3s ease;
  border-radius: 8px;
  overflow: hidden;
}

#cart_table tbody tr:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.quantity input {
  width: 70px;
  padding: 0.5rem;
  border: 2px solid #e9ecef;
  border-radius: 6px;
  text-align: center;
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
}

.quantity input:focus {
  outline: none;
  border-color: #1a2b3c;
}

.upbutton input[type="submit"] {
  background: #1a2b3c;
  color: white;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.upbutton input[type="submit"]:hover {
  background: #2d3f50;
  transform: translateY(-1px);
}

.send {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #eee;
}

.continue_shopping_button,
.to_customerinfo_button {
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.continue_shopping_button {
  background: #e9ecef;
  color: #1a2b3c;
}

.to_customerinfo_button {
  background: #1a2b3c;
  color: white;
}

.continue_shopping_button:hover {
  background: #dee2e6;
  transform: translateY(-1px);
}

.to_customerinfo_button:hover {
  background: #2d3f50;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(26,43,60,0.2);
}

.aright {
  text-align: right;
}

.amount {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a2b3c;
}

.error_message {
  background: #fff3f3;
  display: none;
  color: #dc3545;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  border-left: 4px solid #dc3545;
}

.header_explanation {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 8px;
  margin: 2rem 0;
  font-size: 0.95rem;
  color: #495057;
  border: 1px solid #e9ecef;
}

.header_explanation p {
  margin: 0.5rem 0;
}