/* ==========================================================================
   Filter Button Component
   필터/탭 버튼 공통 컴포넌트
   - Together 탭 필터
   - 검색 필터
   - 기타 필터 UI
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Base Filter Button
   --------------------------------------------------------------------------- */
.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--btn-height-sm);
  padding: 0 var(--spacing-3);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  color: var(--color-text-secondary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.filter-btn:active {
  transform: scale(0.96);
}

/* ---------------------------------------------------------------------------
   Active State
   --------------------------------------------------------------------------- */
.filter-btn.active {
  background: var(--color-fill-dark);
  color: var(--color-text-inverse);
}

/* ---------------------------------------------------------------------------
   Icon Only Variant
   --------------------------------------------------------------------------- */
.filter-btn--icon {
  width: var(--btn-height-sm);
  padding: 0;
}

.filter-btn--icon svg {
  display: block;
}