<button class="radikalwp-tip-fancy" data-tooltip="این اقدام قابل بازگشت نیست — مطمئنید؟" aria-label="راهنما">ⓘ<//button>

.radikalwp-tip-fancy {
  position: relative;
  width: 34px;
  height: 34px;
  font-size: 16px;
  color: #6366f1;
  background: #eef2ff;
  border: none;
  border-radius: 50%;
  cursor: help;
  transition: background .25s ease;
}
.radikalwp-tip-fancy:hover { background: #e0e7ff; }
.radikalwp-tip-fancy::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 12px);
  right: 50%;
  transform: translateX(50%) translateY(6px);
  width: max-content;
  max-width: 220px;
  padding: 9px 14px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.8;
  color: #fff;
  background: rgba(15, 23, 42, .92);
  border: 1px solid rgba(129, 140, 248, .5);
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.radikalwp-tip-fancy::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 6px);
  right: 50%;
  transform: translateX(50%);
  border: 6px solid transparent;
  border-top-color: rgba(15, 23, 42, .92);
  opacity: 0;
  transition: opacity .25s ease;
}
.radikalwp-tip-fancy:hover::after,
.radikalwp-tip-fancy:focus-visible::after {
  opacity: 1;
  transform: translateX(50%) translateY(0);
}
.radikalwp-tip-fancy:hover::before,
.radikalwp-tip-fancy:focus-visible::before { opacity: 1; }