.view-tabs-nav {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  border-bottom: 1px solid #e0e0e0;
}
.view-tabs-nav .view-tab {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  font: inherit;
}
.view-tabs-nav .view-tab.is-active,
.view-tabs-nav .view-tab[aria-selected="true"] {
  border-bottom-color: #304087; /* your brand color */
  font-weight: 600;
}
.view-tab-panel { display: none; padding-top: 8px; }
.view-tab-panel.is-active { display: block; }
/* Hide original grouping headers if any remain via other templates */
.view-grouping-header { display: none; }