/* Container tổng */
.drop {
  display: inline-block;
  position: relative;
  font-family: sans-serif;
}

/* Nút dropdown */
.button {
  border: 1px solid #ccc;
  padding: 6px 12px;
  background-color: white;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.2s;
  user-select: none;
}

.button:hover {
  background-color: #f2f2f2;
}

/* Danh sách menu */
.menu-items {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 4px;
  min-width: 100%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  display: none;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
}

/* Hiện menu khi có class visible */
.menu-items.visible {
  display: flex;
}

/* Item trong menu */
.menu-items div {
  padding: 8px 12px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.menu-items div:hover {
  background-color: #f0f0f0;
}