body:has([data-project-switcher]) {
  --project-switcher-surface: var(--color-fd-background);
  --project-switcher-ink: var(--color-fd-foreground);
  --project-switcher-muted: var(--color-fd-muted-foreground);
  --project-switcher-border: var(--color-fd-border);
  --project-switcher-primary: var(--project-primary, var(--color-fd-primary));
}

body:has([data-project-switcher][data-project-theme='inst-book']) {
  --project-switcher-surface: var(--card);
  --project-switcher-ink: var(--foreground);
  --project-switcher-muted: var(--muted-foreground);
  --project-switcher-border: var(--border);
  --project-switcher-primary: var(--primary-ink);
}

.project-switcher-dock {
  display: none;
}

.project-switcher-mobile {
  position: fixed;
  z-index: 30;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: max(16px, env(safe-area-inset-left));
}

.project-switcher-trigger,
.project-switcher-dock,
.project-switcher-menu,
.project-switcher-tooltip {
  box-sizing: border-box;
  border: 1px solid var(--project-switcher-border);
  background: var(--project-switcher-surface);
  box-shadow: 0 8px 28px rgb(15 23 42 / 12%);
  color: var(--project-switcher-ink);
}

.project-switcher-trigger {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
  cursor: pointer;
}

.project-switcher-trigger svg {
  flex-shrink: 0;
  color: var(--project-switcher-primary);
}

.project-switcher-trigger:is(:hover, [data-popup-open]),
.project-switcher-mobile:has(.project-switcher-menu:popover-open)
  .project-switcher-trigger {
  background: color-mix(
    in srgb,
    var(--project-switcher-primary) 8%,
    var(--project-switcher-surface)
  );
}

.project-switcher-positioner {
  z-index: 60;
}

.project-switcher-menu {
  width: 288px;
  max-width: calc(100vw - 24px);
  max-height: min(var(--available-height, 100dvh), calc(100dvh - 100px));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: 18px;
  padding: 8px;
  outline: none;
}

.project-switcher-menu[popover] {
  position: fixed;
  inset: auto;
  margin: 0;
}

.project-switcher-menu::backdrop {
  background: transparent;
}

.project-switcher-menu-label {
  margin: 0;
  padding: 6px 10px 8px;
  color: var(--project-switcher-muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.project-switcher-option,
.project-switcher-all {
  display: flex;
  box-sizing: border-box;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--project-switcher-ink);
  font-size: 14px;
  font-weight: 550;
  line-height: 1.5;
  text-decoration: none;
}

.project-switcher-option img,
.project-switcher-link img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  object-fit: contain;
}

.project-switcher-link,
.project-switcher-home {
  position: relative;
  display: flex;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--project-switcher-muted);
  text-decoration: none;
}

:is(
  .project-switcher-link,
  .project-switcher-home,
  .project-switcher-option
):is(:hover, [data-highlighted], [aria-current='page']),
.project-switcher-all:hover {
  background: color-mix(
    in srgb,
    var(--project-primary, var(--project-switcher-primary)) 10%,
    var(--project-switcher-surface)
  );
  color: var(--project-primary, var(--project-switcher-primary));
}

.project-switcher-link[aria-current='page'] {
  box-shadow: inset 0 0 0 1px
    color-mix(
      in srgb,
      var(--project-primary, var(--project-switcher-primary)) 25%,
      transparent
    );
}

:is(
  .project-switcher-trigger,
  .project-switcher-link,
  .project-switcher-home,
  .project-switcher-option,
  .project-switcher-all
):focus-visible {
  outline: 2px solid var(--project-switcher-primary);
  outline-offset: 3px;
}

.project-switcher-separator {
  display: block;
  height: 1px;
  flex-shrink: 0;
  align-self: stretch;
  margin: 4px;
  background: var(--project-switcher-border);
}

.project-switcher-all {
  justify-content: space-between;
  color: var(--project-switcher-muted);
  font-size: 13px;
}

.project-switcher-tooltip {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: calc(100% + 16px);
  visibility: hidden;
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.5;
  white-space: nowrap;
  transform: translateY(-50%);
  pointer-events: none;
}

:is(.project-switcher-link, .project-switcher-home):is(:hover, :focus-visible)
  .project-switcher-tooltip {
  visibility: visible;
}

@media (width < 1024px), (height < 501px) {
  body:has([data-project-switcher]) :is(#nd-page, .project-home, .site-footer) {
    padding-bottom: calc(96px + env(safe-area-inset-bottom));
  }
}

@media (min-width: 1024px) and (min-height: 501px) {
  .project-switcher-mobile {
    display: none;
  }

  .project-switcher-dock {
    position: fixed;
    z-index: 30;
    bottom: calc(20px + env(safe-area-inset-bottom));
    left: max(16px, env(safe-area-inset-left));
    display: flex;
    width: max-content;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    border-radius: 18px;
    padding: 6px;
    background: color-mix(
      in srgb,
      var(--project-switcher-surface) 94%,
      transparent
    );
    backdrop-filter: blur(12px);
  }
}