:is(.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-add, .btn-back, .btn-cancel, .btn-icon, .icon-button, .sf-btn, .sf-btn-primary, .sf-btn-secondary, .sf-btn-danger, .sf-icon-btn, .sm-btn, .sm-btn-primary, .sm-btn-secondary, .sm-filter-btn, .sm-filter-btn-primary, .sm-action-btn) {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-control);
  font-family: var(--font-family-body);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), box-shadow var(--motion-fast);
}

:is(.btn, .btn-back, .btn-cancel, .sf-btn, .sm-btn, .sm-filter-btn) {
  background: var(--color-surface);
  color: var(--color-text-secondary);
}

:is(.btn, .btn-back, .btn-cancel, .sf-btn, .sm-btn, .sm-filter-btn):hover {
  border-color: var(--color-primary);
  background: var(--color-surface-subtle);
  color: var(--color-text);
}

:is(.btn-secondary, .sf-btn-secondary, .sm-btn-secondary) {
  border-color: var(--color-border);
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}

:is(.btn-secondary, .sf-btn-secondary, .sm-btn-secondary):hover {
  border-color: var(--color-primary);
  background: var(--color-secondary-hover);
  color: var(--color-on-secondary);
}

:is(.btn-secondary, .sf-btn-secondary, .sm-btn-secondary):active {
  background: var(--color-secondary-active);
}

:is(.btn-primary, .btn-add, .sf-btn-primary, .sm-btn-primary, .sm-filter-btn-primary) {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

:is(.btn-primary, .btn-add, .sf-btn-primary, .sm-btn-primary, .sm-filter-btn-primary):hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
}

:is(.btn-primary, .btn-add, .sf-btn-primary, .sm-btn-primary, .sm-filter-btn-primary):active {
  border-color: var(--color-primary-active);
  background: var(--color-primary-active);
}

:is(.btn-danger, .sf-btn-danger, .sm-action-btn--delete) {
  border-color: var(--color-danger);
  background: var(--color-danger);
  color: var(--color-on-danger);
}

:is(.btn-danger, .sf-btn-danger, .sm-action-btn--delete):hover {
  border-color: var(--color-danger-hover);
  background: var(--color-danger-hover);
  color: var(--color-on-danger);
}

:is(.btn-danger, .sf-btn-danger, .sm-action-btn--delete):active {
  border-color: var(--color-danger-active);
  background: var(--color-danger-active);
}

:is(.btn-icon, .icon-button, .sf-icon-btn, .sm-action-btn) {
  width: var(--control-height);
  padding: 0;
}

:is(.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-add, .btn-back, .btn-cancel, .btn-icon, .icon-button, .sf-btn, .sf-btn-primary, .sf-btn-secondary, .sf-btn-danger, .sf-icon-btn, .sm-btn, .sm-btn-primary, .sm-btn-secondary, .sm-filter-btn, .sm-filter-btn-primary, .sm-action-btn):disabled,
:is(.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-add, .btn-back, .btn-cancel, .btn-icon, .icon-button, .sf-btn, .sf-btn-primary, .sf-btn-secondary, .sf-btn-danger, .sf-icon-btn, .sm-btn, .sm-btn-primary, .sm-btn-secondary, .sm-filter-btn, .sm-filter-btn-primary, .sm-action-btn)[aria-disabled="true"] {
  border-color: var(--color-border);
  background: var(--color-surface-subtle);
  color: var(--color-disabled);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.72;
}

@media (max-width: 40rem) {
  :is(.btn, .btn-primary, .btn-secondary, .btn-danger, .btn-add, .btn-back, .btn-cancel, .btn-icon, .icon-button, .sf-btn, .sf-btn-primary, .sf-btn-secondary, .sf-btn-danger, .sf-icon-btn, .sm-btn, .sm-btn-primary, .sm-btn-secondary, .sm-filter-btn, .sm-filter-btn-primary, .sm-action-btn) {
    min-height: var(--control-height-touch);
  }

  :is(.btn-icon, .icon-button, .sf-icon-btn, .sm-action-btn) {
    width: var(--control-height-touch);
  }
}