/* ============================================================
 * scm-column-filter-popover — 컬럼 헤더 필터 아이콘 클릭 시 popover
 * ------------------------------------------------------------
 * 구조: textarea (줄바꿈 입력) + counter + helper text + reset/apply 버튼
 * 마크업 (auto-built):
 *   <div class="scm-column-filter-popover" hidden>
 *     <div class="scm-column-filter-popover__field">
 *       <div class="scm-column-filter-popover__textarea">
 *         <textarea ...></textarea>
 *         <span class="scm-column-filter-popover__counter">0 / 999</span>
 *       </div>
 *       <div class="scm-column-filter-popover__helper">helperText</div>
 *     </div>
 *     <div class="scm-column-filter-popover__footer">
 *       <button class="scm-column-filter-popover__reset">초기화</button>
 *       <button class="scm-column-filter-popover__apply">적용</button>
 *     </div>
 *   </div>
 * ============================================================ */

.scm-column-filter-popover {
  position: fixed;
  z-index: 200;
  width: 240px;
  padding: 8px;
  background: #fff;
  border: 1px solid #EBEBEB;
  border-radius: 4px;
  box-shadow: 0 10px 15px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: inherit;
}
.scm-column-filter-popover[hidden] { display: none; }

.scm-column-filter-popover__field {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.scm-column-filter-popover__textarea {
  align-self: stretch;
  height: 140px;
  max-height: 140px;
  min-height: 80px;
  padding: 10px 12px 28px;
  position: relative;
  background: #fff;
  border-radius: 4px;
  border: 1px solid #E0E0E0;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
}
.scm-column-filter-popover__textarea:focus-within { border-color: #000; }
.scm-column-filter-popover__textarea textarea {
  flex: 1;
  width: 100%;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  padding: 0;
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  line-height: 18.2px;
  color: #000;
}
.scm-column-filter-popover__textarea textarea::placeholder { color: #8A8A8A; }
.scm-column-filter-popover__counter {
  position: absolute;
  right: 10px;
  bottom: 8px;
  font-size: 12px;
  font-weight: 400;
  line-height: 16.8px;
  color: #8A8A8A;
}
.scm-column-filter-popover__counter strong {
  color: #666;
  font-weight: 400;
}

.scm-column-filter-popover__helper {
  padding: 2px 0;
  font-size: 12px;
  font-weight: 400;
  line-height: 16.8px;
  color: #666;
}

.scm-column-filter-popover__footer {
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.scm-column-filter-popover__reset,
.scm-column-filter-popover__apply {
  min-width: 48px;
  min-height: 32px;
  max-height: 32px;
  padding: 6px 10px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 18.2px;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.scm-column-filter-popover__reset {
  background: rgba(138, 138, 138, 0.10);
  border: 1px solid #EBEBEB;
  color: rgba(0, 0, 0, 0.20);
}
.scm-column-filter-popover__reset.is-enabled {
  background: #fff;
  border-color: #E0E0E0;
  color: #000;
}
.scm-column-filter-popover__reset.is-enabled:hover { background: #FAFBFC; }

.scm-column-filter-popover__apply {
  background: rgba(138, 138, 138, 0.10);
  border: 0;
  color: rgba(0, 0, 0, 0.20);
}
.scm-column-filter-popover__apply.is-enabled {
  background: #000;
  color: #fff;
}
.scm-column-filter-popover__apply.is-enabled:hover { background: #1A1A1A; }