/* Inline shell-bar variant. The old position:fixed/z-index form was
   for standalone floating use; as a header child it flows naturally. */
.menu-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.15s;
  color: var(--text);
}

@media (hover: hover) {
  .menu-btn:hover {
    background: color-mix(in srgb, var(--text) 8%, transparent);
  }
}

.menu-btn:active {
  transform: scale(0.93);
}

/* Keyboard-only focus ring — matches drawer row and shell__brand rings. */
.menu-btn:focus { outline: none; }
.menu-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-btn__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}
