button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #2f67ee;
  outline-offset: 2px;
}

.icon-button { min-width: 44px; min-height: 44px; }
.button:disabled { cursor: not-allowed; opacity: .55; }