.header-cell {
    position: relative;
    display: inline-block;
    background: var(--light);
    color: var(--Dark);
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--dark);
    background: violet;
}

.reg_head {
  display: flex;
  justify-content: space-between; /* pushes items to edges */
  align-items: center;           /* vertically center them */
  padding: 4px 8px;              /* optional, just for spacing */
  background: wheat;
}

.filter-btn {
  /* optional styling */
  cursor: pointer;
  /* background: red; */
  border: none;
  border-radius: 4px;
  background: none;
  max-height: 28px;
  /* border: 1px solid var(--light); */
  background: yellowgreen;
}

.filter-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 180px;
  background: #fff;
  border: 1px solid #ccc;
  padding: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  z-index: 999;
  overflow: hidden;
  background: tomato;
}

.filter-action{
    padding: 2px 8px;
    border: none;
    border-radius: 6px;
    margin-left: 4px;
}
.filter-search{
max-width: 160px;
}

.hidden {
  display: none;
}