:root {
  --list-spacing: 1rem;

  --list-items-width: 13.25rem;
  --list-items-padding-right: 1rem;
  --list-items-border-width: 0.0625rem;

  --list-item-height: 1.75rem;
  --list-item-padding-top: 0.25rem;
  --list-item-padding-bottom: 0.25rem;
  --list-item-padding-left: 0.5rem;
  --list-item-padding-right: 0.5rem;
}

.cosmo-side-list {
  display: grid;
  grid-template-columns: [items-list] var(--list-items-width) var(--list-spacing) [content] 1fr;
  height: var(--page-height);
}

.cosmo-side-list__items {
  grid-column: items-list;
  display: flex;
  flex-flow: column;
  padding-right: var(--list-items-padding-right);
  border-right: var(--list-items-border-width) solid var(--control-border-color);
  box-sizing: border-box;
  height: var(--page-height);
  overflow-y: auto;
}

.cosmo-side-list__items .cosmo-button.is--full-width {
  margin-top: auto;
}

.cosmo-side-list__item {
  --list-item-color: var(--black);

  color: var(--list-item-color);
  padding: var(--list-item-padding-top) var(--list-item-padding-right) var(--list-item-padding-bottom)
    var(--list-item-padding-left);
  overflow-x: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
  min-height: var(--list-item-height);
  border-radius: var(--border-radius);
  background: var(--list-item-background);
  display: flex;
  align-items: center;
  text-decoration: none;
}

.cosmo-side-list__item:hover {
  --list-item-background: var(--control-border-color);
}

.cosmo-side-list__item.is--active,
.cosmo-side-list__item.is--active:hover {
  --list-item-background: var(--primary-color);
  --list-item-color: var(--white);

  font-weight: var(--font-weight-bold);
}

@media screen and (prefers-color-scheme: dark) {
  .cosmo-side-list__item.is--active,
  .cosmo-side-list__item.is--active:hover {
    --list-item-color: var(--black);
  }
}

.cosmo-side-list__item.is--active::selection,
.cosmo-side-list__item.is--active:hover::selection {
  --list-item-background: var(--white);
  --list-item-color: var(--primary-color);
}

.cosmo-side-list__content {
  grid-column: content;
  height: 100%;
  overflow-y: auto;
}