#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

#sidebar-overlay.show {
  display: block;
}

#product-sidebar {
  position: fixed;
  right: 0;
  top: 0;
  width: 350px;
  height: 100%;
  background: white;
  z-index: 1000;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
  padding: 30px 20px;
  overflow-y: auto;
  box-sizing: border-box;
  display: none;
}

#product-sidebar.show {
  display: block;
}

#sidebar-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}

#product-sidebar .product-img {
  text-align: center;
  margin-bottom: 20px;
  background: #f9f9f9;
  padding: 15px;
  border-radius: 6px;
}

#product-sidebar .product-img img {
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
}

#product-sidebar .input-number {
  width: 120px;
  margin: 20px 0;
}