.icon-button {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: var(--touch-target, 44px);
  min-width: var(--touch-target, 44px);
  height: var(--touch-target, 44px);
  padding: 0;
  border: var(--border-width-strong, 1.5px) solid var(--border, currentColor);
  border-radius: var(--radius-md, 8px);
  background: var(--panel, transparent);
  color: var(--muted, currentColor);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}

.icon-button svg {
  display: block;
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
}

.icon-button:hover {
  border-color: var(--accent, currentColor);
  background: var(--accent-muted, transparent);
  color: var(--accent-ink, currentColor);
  transform: translateY(-1px);
}

.icon-button:focus-visible {
  outline: 2px solid var(--focus-ring-color, currentColor);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--focus-ring-halo, rgba(0, 0, 0, 0.16));
}

.icon-button--danger {
  border-color: var(--danger, currentColor);
  background: var(--danger-muted, transparent);
  color: var(--danger, currentColor);
}

.icon-button--danger:hover {
  border-color: var(--danger, currentColor);
  background: var(--danger-muted, transparent);
  color: var(--danger, currentColor);
}

.icon-button:disabled,
.icon-button[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.icon-button[hidden] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .icon-button {
    transition: none !important;
  }
}