/* ---------------------------------------------------------------------------
 * IK000220_P01 + IK000220_P02.xfdl 변환본 — IK 파트 등록/수정 모달 (480x400).
 * Modal #A 29번째 인스턴스 + *폼 카테고리 8번째* + *Rule of Two 추출 4번째 적용*.
 *
 * IkTeamAddModal (IK000200_P01/P02 통합) 의 *축소 버전* 패턴:
 *   - 4 구역 → 2 구역 (master + history)
 *   - 같은 mode (add/edit) 분기 + alias
 *
 * 디자인:
 *   - 헤더: 폼 정형색 (#2c4368)
 *   - 본문: master 폼 카드 + history 미니 그리드
 *   - 푸터: 저장 / 닫기
 * --------------------------------------------------------------------------- */

#ik-part-form-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.45);
  align-items: center;
  justify-content: center;
  font-family: 'Pretendard', 'Malgun Gothic', sans-serif;
}
#ik-part-form-modal.is-open { display: flex; }

#ik-part-form-modal .layer-wrap {
  width: 500px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#ik-part-form-modal .layer-header {
  display: flex; align-items: center; padding: 12px 16px;
  border-bottom: 2px solid #2c4368; background: #2c4368; color: #ffffff;
}
#ik-part-form-modal .layer-title { flex: 1; font-size: 14px; font-weight: 600; margin: 0; }
#ik-part-form-modal .layer-close {
  background: transparent; border: 0; color: #ffffff; font-size: 20px; cursor: pointer; line-height: 1;
}
#ik-part-form-modal .layer-content {
  padding: 12px 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; overflow-y: auto;
}

#ik-part-form-modal .form-card {
  background: #f7fafe; border: 1px solid #d8e3f0; border-radius: 4px; padding: 10px 12px;
}
#ik-part-form-modal .form-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 6px 8px;
  font-size: 12px;
  align-items: center;
}
#ik-part-form-modal .form-grid label { color: #344b6e; font-weight: 600; }
#ik-part-form-modal .form-grid input {
  width: 100%; padding: 4px 6px; font-size: 12px;
  border: 1px solid #c8d3e0; border-radius: 3px;
}
#ik-part-form-modal .form-grid input[readonly] { background: #f0f4f9; }
#ik-part-form-modal .form-grid .field-with-btn {
  display: flex; gap: 4px; align-items: center;
}
#ik-part-form-modal .form-grid .field-with-btn input { flex: 1; }
#ik-part-form-modal .form-grid .field-with-btn button {
  padding: 3px 10px; font-size: 11px;
  border: 1px solid #2c4368; background: #ffffff; color: #2c4368;
  border-radius: 3px; cursor: pointer;
}
#ik-part-form-modal .form-grid .field-with-btn button:disabled { opacity: 0.4; cursor: not-allowed; }
#ik-part-form-modal .form-grid .date-range {
  display: flex; gap: 4px; align-items: center;
}
#ik-part-form-modal .form-grid .date-range input { flex: 1; }

#ik-part-form-modal .hist-section { margin-top: 4px; }
#ik-part-form-modal .hist-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px;
}
#ik-part-form-modal .hist-head h4 {
  font-size: 12px; font-weight: 600; color: #2c4368; margin: 0;
  padding-left: 6px; border-left: 3px solid #2c4368;
}
#ik-part-form-modal .hist-head .btn-area { display: flex; gap: 4px; }
#ik-part-form-modal .hist-head button {
  padding: 3px 10px; font-size: 11px;
  border: 1px solid #c8d3e0; background: #ffffff; color: #344b6e;
  border-radius: 3px; cursor: pointer;
}

#ik-part-form-modal .mini-grid-shell {
  border: 1px solid #c8d3e0; border-radius: 3px;
  max-height: 160px; overflow: auto; background: #ffffff;
}
#ik-part-form-modal .mini-grid-shell table { width: 100%; border-collapse: collapse; font-size: 11px; }
#ik-part-form-modal .mini-grid-shell th,
#ik-part-form-modal .mini-grid-shell td {
  padding: 4px 6px; border-bottom: 1px solid #e3e8ee; text-align: center;
}
#ik-part-form-modal .mini-grid-shell th {
  background: #f0f4f9; color: #344b6e; font-weight: 600; position: sticky; top: 0;
}
#ik-part-form-modal .mini-grid-shell .empty-row td {
  text-align: center; color: #888; padding: 12px 8px;
}

#ik-part-form-modal .layer-footer {
  display: flex; justify-content: flex-end;
  padding: 10px 16px; border-top: 1px solid #e1e5eb; background: #f7f8fa;
  gap: 6px;
}
#ik-part-form-modal .btn {
  min-width: 80px; padding: 6px 12px; border-radius: 3px;
  font-size: 12px; cursor: pointer;
  border: 1px solid #c8d3e0; background: #ffffff; color: #344b6e;
}
#ik-part-form-modal .btn.primary {
  border-color: #2c4368; background: #2c4368; color: #ffffff;
}
#ik-part-form-modal .btn:hover { background: #f0f4f9; }
#ik-part-form-modal .btn.primary:hover { background: #1f314c; }