.share-button {
  min-height: 38px;
  padding: 9px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface-2);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, opacity .16s ease;
}

.share-button:hover { background: var(--surface-3); }
.share-button:active { transform: scale(.96); }
.share-button:disabled { cursor: wait; opacity: .6; }
.share-button.is-sharing .share-button-icon { animation: share-pulse .8s ease-in-out infinite alternate; }

.share-button-icon {
  width: 16px;
  height: 16px;
  flex: none;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

@keyframes share-pulse {
  from { transform: scale(.9); opacity: .6; }
  to { transform: scale(1.08); opacity: 1; }
}

@media (max-width: 520px) {
  .share-button { padding-inline: 11px; }
}