Tooltip Toolbar

<div class="nuda-sb2-tooltip-toolbar" role="toolbar" aria-label="Formatting" aria-orientation="vertical">
  <div class="nuda-sb2-tooltip-toolbar__item">
    <button type="button" class="nuda-sb2-tooltip-toolbar__btn" aria-label="Bold">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor"
           stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
        <path d="M6 4h8a4 4 0 010 8H6zM6 12h9a4 4 0 010 8H6z" />
      </svg>
    </button>
    <span class="nuda-sb2-tooltip-toolbar__tip" role="tooltip" aria-hidden="true">Bold</span>
  </div>
  <!-- More items -->
</div>

.nuda-sb2-tooltip-toolbar {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
}

.nuda-sb2-tooltip-toolbar__item {
  position: relative;
}

.nuda-sb2-tooltip-toolbar__btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  border-radius: 10px;
  color: #a0a0a8;
  cursor: pointer;
  transition: background .2s,color .2s;
}

.nuda-sb2-tooltip-toolbar__btn svg {
  width: 18px;
  height: 18px;
}

.nuda-sb2-tooltip-toolbar__btn:hover,.nuda-sb2-tooltip-toolbar__btn:focus-visible {
  background: rgba(255,255,255,.06);
  color: #fafafa;
}

.nuda-sb2-tooltip-toolbar__btn:focus-visible {
  outline: 2px solid #e4ff54;
  outline-offset: 2px;
}

.nuda-sb2-tooltip-toolbar__tip {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translate(-6px,-50%);
  padding: 6px 10px;
  background: #161616;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  color: #fafafa;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s,transform .3s cubic-bezier(.16,1,.3,1);
  z-index: 2;
}

.nuda-sb2-tooltip-toolbar__btn:hover + .nuda-sb2-tooltip-toolbar__tip,.nuda-sb2-tooltip-toolbar__btn:focus-visible + .nuda-sb2-tooltip-toolbar__tip {
  opacity: 1;
  transform: translate(0,-50%);
}

@media (prefers-reduced-motion:reduce) {
  .nuda-sb2-tooltip-toolbar__tip {
    transition: none;
  }
}