.mode-switch {
  position: fixed;
  top: 1.5rem;
  left: calc((var(--sidebar-gap) + var(--sidebar-width) + 100vw) / 2);
  z-index: var(--z-chrome);
  transform: translateX(-50%);
  min-width: 15rem;
  transition: left 0.4s var(--ease-smooth);
  animation: chrome-enter 0.6s var(--ease-smooth) 0.05s both;
}

.layout:has(.sidebar-shell.is-collapsed) .mode-switch {
  left: 50%;
}

.mode-switch__surface {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0.2rem;
  border-radius: var(--glass-radius-pill);
}

@keyframes chrome-enter {
  from {
    margin-top: -8px;
  }

  to {
    margin-top: 0;
  }
}

.mode-switch__tab {
  position: relative;
  z-index: 1;
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: var(--glass-radius-pill);
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.35s var(--ease-smooth);
  white-space: nowrap;
}

.mode-switch__tab:hover {
  color: rgba(255, 255, 255, 0.8);
}

.mode-switch__tab[aria-selected="true"] {
  color: #fff;
}

.mode-switch__thumb {
  position: absolute;
  top: 0.2rem;
  left: 0.2rem;
  width: calc(50% - 0.2rem);
  height: calc(100% - 0.4rem);
  border-radius: var(--glass-radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 0.4s var(--ease-smooth);
  pointer-events: none;
}

.mode-switch.is-editor .mode-switch__thumb {
  transform: translateX(100%);
}

@media (max-width: 900px) {
  .mode-switch {
    left: 50%;
  }
}