overleaf/services/web/frontend/stylesheets/pages/editor/tabs.scss

:root {
  --editor-tab-max-path-length: 150px;
}

.editor-tabs-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-02);
  flex: 0 0 auto;
  background: var(--bg-primary-themed);
  justify-content: space-between;
  border-bottom: 1px solid var(--border-divider-themed);

  .editor-tabs-labs-icon {
    flex: 0 0 auto;
    padding: 0 var(--spacing-02);

    .material-symbols {
      font-size: 16px;
    }
  }
}

.editor-tabs-row {
  display: flex;
  flex-direction: row;
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  background: var(--bg-primary-themed);
  overflow-x: auto;

  &.editor-tabs-row-hovered {
    .editor-file-tab:last-child {
      border-right-color: var(--border-primary-themed);
    }
  }
}

.editor-file-tab {
  --tab-bg-color: transparent;
  --tab-icon-colour: var(--content-secondary-themed);

  display: inline-flex;
  align-items: center;
  gap: var(--spacing-02);
  justify-content: center;
  box-sizing: border-box;
  padding: var(--spacing-02) var(--spacing-03);
  background: var(--tab-bg-color);
  color: var(--content-primary-themed);
  border: none;
  font-size: var(--font-size-02);
  flex-direction: row;
  cursor: pointer;
  border-right: 1px solid var(--border-divider-themed);
  border-left: 1px solid var(--tab-bg-color);
  user-select: none;

  &.tab-selected {
    --tab-bg-color: var(--bg-secondary-themed);
    --tab-icon-colour: var(--content-primary-themed);
  }

  .material-symbols {
    vertical-align: middle;
    font-size: var(--font-size-03);
  }

  .file-tree-icon,
  .linked-file-highlight {
    color: var(--tab-icon-colour);
  }

  .editor-file-tab-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
  }

  .file-tree-icon {
    margin-right: var(--spacing-01);
  }

  .linked-file-icon {
    position: relative;
    left: -2px;
  }

  .linked-file-highlight {
    position: absolute;
    top: 6px;
    left: 6px !important;
    font-size: var(--font-size-01);
  }

  &.tab-drop-right {
    border-right-color: var(--border-primary-themed);
  }

  &.tab-drop-left {
    border-left-color: var(--border-primary-themed);
  }

  &.tab-temporary {
    font-style: italic;
  }

  .editor-file-tab-action {
    display: flex;
    align-items: center;
  }

  .editor-file-tab-close-action {
    background: transparent;
    border: none;
    color: var(--content-primary-themed);
    cursor: pointer;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;

    &:hover {
      color: var(--content-secondary-themed);
    }
  }
}

.editor-file-tab-path {
  text-wrap: nowrap;
  max-width: var(--editor-tab-max-path-length);
  text-overflow: ellipsis;
  white-space: nowrap;
  direction: rtl;
  overflow: hidden;
}