/*
FNXC:ChatTitleSwitcher 2026-08-23-03:13:
The title trigger stays in the existing flex identity row, while its menu is anchored to that stable
header identity. Token-based sizing keeps the switcher usable in full, narrow, and mobile ChatView
hosts without changing the legacy title truncation rule asserted elsewhere.
*/
.chat-thread-title-switcher {
  position: relative;
  display: inline-flex;
  flex: 1 1 auto;
  min-width: 0;
}

.chat-thread-title-trigger {
  border: none;
  padding: var(--space-3xs);
  background: transparent;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-width: 0;
  text-align: start;
}

.chat-thread-title-trigger:hover {
  background: color-mix(in srgb, var(--surface-hover) 70%, transparent);
}

.chat-thread-title-trigger:focus-visible {
  outline: var(--space-3xs) solid var(--accent);
  outline-offset: var(--space-3xs);
  border-radius: var(--radius-sm);
}

.chat-thread-title-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-thread-title-caret,
.chat-thread-title-menu-pin {
  flex: 0 0 auto;
}

.chat-thread-title-menu {
  position: absolute;
  inset-block-start: calc(100% + var(--space-xs));
  inset-inline-start: 0;
  width: min(calc(var(--space-xl) * 15), calc(100vw - (var(--space-lg) * 2)));
  max-inline-size: calc(100vw - (var(--space-lg) * 2));
  max-block-size: min(calc(var(--space-xl) * 24), calc(100vh - (var(--space-xl) * 4)));
  overflow-y: auto;
  background: var(--surface);
  border: thin solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.chat-thread-title-menu-item,
.chat-thread-title-menu-all,
.chat-thread-title-menu-empty {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text);
  text-align: start;
}

.chat-thread-title-menu-item,
.chat-thread-title-menu-all {
  border: none;
  background: transparent;
  cursor: pointer;
}

.chat-thread-title-menu-item:hover,
.chat-thread-title-menu-item:focus-visible,
.chat-thread-title-menu-all:hover,
.chat-thread-title-menu-all:focus-visible {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  outline: none;
}

.chat-thread-title-menu-item--active {
  color: var(--accent);
  font-weight: 600;
}

.chat-thread-title-menu-label {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-thread-title-menu-item .status-dot {
  flex: 0 0 auto;
}

.chat-thread-title-menu-all {
  border-block-start: thin solid var(--border);
  font-weight: 600;
}

.chat-thread-title-menu-empty {
  color: var(--text-muted);
}

/*
FNXC:ChatTitleSwitcher 2026-08-23-16:00:
Narrow ChatView hosts keep the switcher root static so its menu can span the pane. The header owns
its containing block; otherwise the absolute menu resolves below the clipped full-height thread.
*/
.chat-view--narrow .chat-thread-header {
  position: relative;
}

.chat-view--narrow .chat-thread-title-switcher {
  position: static;
}

.chat-view--narrow .chat-thread-title-menu {
  inset-inline: var(--space-md);
  width: auto;
  max-inline-size: none;
  max-block-size: min(calc(var(--space-xl) * 20), calc(100vh - (var(--space-xl) * 5)));
}

@media (max-width: 768px) {
  .chat-thread-title-menu {
    inset-inline-start: var(--space-sm);
    width: min(calc(var(--space-xl) * 15), calc(100vw - (var(--space-lg) * 2)));
  }

  .chat-view--narrow .chat-thread-title-menu {
    inset-inline: var(--space-sm);
  }
}