.thread-density-menu {
  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--input-bg);
  flex: 0 0 auto;
}
.thread-density-menu__trigger {
  width: auto;
  min-width: 0;
  height: 1.5rem;
  margin-top: 0;
  padding: 0 0.6rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--ui-font);
  font-size: 0.7rem;
  line-height: 1;
  flex: 0 0 auto;
}
.thread-density-menu__trigger:hover,
.thread-density-menu__trigger[aria-expanded="true"] {
  color: var(--ink);
  background: var(--button-alt-bg);
}
.thread-density-menu__trigger-label--compact {
  display: none;
}
:root[data-thread-density="compact"]
  .thread-density-menu__trigger-label--comfortable {
  display: none;
}
:root[data-thread-density="compact"]
  .thread-density-menu__trigger-label--compact {
  display: inline;
}
.thread-density-menu__popover {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  z-index: 30;
  min-width: 9rem;
  border: 1px solid var(--line);
  background-color: var(--page-bg);
  background-image: linear-gradient(var(--panel), var(--panel));
  padding: 0.3rem;
  display: grid;
  gap: 4px;
}
.thread-density-menu__popover[hidden] {
  display: none;
}
.thread-density-menu__option {
  display: flex;
  align-items: center;
  width: 100%;
  margin-top: 0;
  padding: 0.4rem 0.55rem;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--ui-font);
  font-size: 0.78rem;
  min-height: 2rem;
  text-align: left;
  cursor: pointer;
}
.thread-density-menu__option:hover {
  border-color: var(--ink-soft);
}
.thread-density-menu__option:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}
.thread-density-menu__option[aria-checked="true"] {
  border-color: var(--ink);
}
.thread-density-menu__option[aria-checked="true"]::after {
  content: "✓";
  margin-left: auto;
}
:root[data-thread-density="compact"] .thread-card__preview {
  display: none;
}
:root[data-thread-density="compact"] .thread-list .thread-card {
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
  line-height: 1.3;
}
:root[data-thread-density="compact"] .thread-list .thread-card > * {
  margin: 0;
}
:root[data-thread-density="compact"] .thread-list .thread-card > * + * {
  margin-top: 0.15rem;
}
:root[data-thread-density="compact"] .thread-list .thread-card .meta {
  font-size: 0.78rem;
}
:root[data-thread-density="compact"] .thread-list .thread-card + .thread-card {
  margin-top: -1px;
}
:root[data-thread-density="compact"] .thread-list > * + * {
  margin-top: 0.35rem;
}
:root[data-thread-density="compact"] article.card:has(> .board-controls-nav) {
  padding: 0;
  border: 0;
  background: transparent;
}
:root[data-thread-density="compact"] .compact-thread-compose {
  padding: 0;
}
:root[data-thread-density="compact"]
  .compact-thread-compose
  .inline-reply-summary {
  padding: 0;
}
:root[data-thread-density="compact"] .thread-list > .compact-thread-compose {
  margin-top: 0;
}
:root[data-thread-density="compact"]
  .thread-list
  > .compact-thread-compose
  + * {
  margin-top: 0;
}
:root[data-thread-density="compact"] .thread-list > .card {
  border-left: 0;
  border-right: 0;
}