.project-footer {
  display: flex;
  justify-content: flex-end;
  padding: 3px 16px;
  border-top: 1px solid var(--us-border);
  color: var(--us-fg-muted);
  background: var(--us-bg);
}
.project-switcher { position: relative; z-index: 10; }
.project-switcher summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--us-fg-muted);
  font: 12px/1.5 var(--us-font-sans, system-ui);
  cursor: pointer;
  list-style: none;
  transition: color 150ms ease, background 150ms ease;
}
.project-switcher summary::-webkit-details-marker { display: none; }
.project-switcher summary:hover,
.project-switcher[open] summary { color: var(--us-fg); background: var(--us-code-bg, var(--us-surface)); }
.project-switcher summary:focus-visible,
.project-links a:focus-visible { outline: 2px solid var(--us-accent); outline-offset: 2px; }
.project-chevron, .project-external {
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.project-switcher[open] .project-chevron { transform: rotate(180deg); }
.project-links {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  width: min(288px, calc(100vw - 32px));
  max-height: calc(100dvh - 64px);
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--us-border);
  border-radius: 8px;
  background: var(--us-bg);
  box-shadow: 0 6px 20px rgb(0 0 0 / 10%);
}
.project-links-heading {
  margin: 0;
  padding: 8px 10px 6px;
  color: var(--us-fg-muted);
  font: 11px/1.5 var(--us-font-sans, system-ui);
}
.project-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--us-fg);
}
.project-links a:hover { background: var(--us-code-bg, var(--us-surface)); text-decoration: none; }
.project-link-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; font-weight: 500; }
.project-external { color: var(--us-fg-muted); }
.project-link-description { font-size: 12px; line-height: 1.5; color: var(--us-fg-muted); }
.docs-shell + .project-footer { padding: 0 24px 24px; border-top: 0; }
@media (pointer: coarse) {
  .project-switcher summary { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .project-switcher summary { transition: none; }
}