body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  margin: 0;
  padding: 12px;
  background-color: #f0f2f5;
  color: #333;
  line-height: 1.4;
  -webkit-line-clamp: initial;
  line-clamp: initial;
}

/* 최저가 필터 토글 스타일 */
.lowest-price-toggle-label {
  display: none;
}

.card.hidden {
  display: none;
}
h1 {
  text-align: center;
  color: #1c1e21;
  margin: 0;
  font-size: 1.6rem;
  padding-bottom: 10px;
}

/* 필터 컨테이너 스타일 */
.filter-container {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 15px;
  margin-bottom: 20px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.toggle-filters-btn {
  background-color: #f7faff;
  color: #0066e8;
  border: 1px solid #d0e1fd;
  padding: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 4px;
  width: 100%;
  text-align: center;
  border-radius: 8px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.toggle-filters-btn:hover {
  background-color: #e6f0ff;
  transform: translateY(-2px);
}

.toggle-filters-btn:active {
  transform: translateY(0);
}

.toggle-filters-btn.loading-state {
  background-color: #f0f7ff;
  border-color: #b0d0f8;
  pointer-events: none;
  color: #0052cc;
}

.toggle-filters-btn .toggle-icon {
  margin-left: 6px;
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  font-size: 12px;
  color: #0066e8;
}

.toggle-filters-btn[aria-expanded="false"] .toggle-icon {
  transform: rotate(180deg);
}

.toggle-filters-btn .filter-icon {
  margin-right: 8px;
}

.toggle-filters-btn span {
  display: inline-block;
}

.results-count {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0;
  max-width: 100%;
  transition: margin-top 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s ease;
}

.filter-container form.collapsed + .results-count {
  margin-top: 10px;
  transform: translateY(-5px);
}

.results-badge {
  background-color: #0066e8;
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0, 102, 232, 0.2);
  display: flex;
  align-items: center;
  gap: 6px;
  animation: fadeInBounce 0.6s cubic-bezier(0.17, 0.67, 0.48, 1.28);
}

.results-badge svg {
  margin-right: 5px;
}

@keyframes fadeInBounce {
  0% {
    transform: scale(0.7);
    opacity: 0;
  }
  70% {
    transform: scale(1.05);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.filter-container.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.filter-container form {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 2000px; /* 폼이 열렸을 때 충분히 큰 높이 */
  overflow: visible; /* hidden에서 visible로 변경 */
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s ease-in-out, transform 0.3s ease, margin 0.3s ease,
    padding 0.3s ease;
  opacity: 1;
  transform: translateY(0);
  margin-bottom: 6px;
  padding: 10px 0;
  will-change: max-height, opacity, transform; /* 성능 최적화 */
  position: relative; /* 위치 컨텍스트 생성 */
  z-index: 2; /* 더 높은 z-index */
}

.filter-container form.collapsed {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  margin: 0;
  padding: 0;
  pointer-events: none; /* 접혀있을 때 클릭 불가능 */
  overflow: hidden; /* 접혔을 때만 hidden */
}

.form-group {
  display: flex;
  flex-direction: column;
  width: 100%;
  position: relative;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 2px;
  color: #1c1e21;
  font-size: 0.9rem;
}
.form-label-title {
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

/* 자동 제출 표시 스타일 */
.auto-submit-indicator {
  font-size: 0.75rem;
  color: #0066e8;
  background-color: #edf5ff;
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 6px;
  display: inline-block;
  font-weight: 500;
  border: 1px dashed #a9c6fb;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
  }
}

.auto-submit select {
  border-color: #0066e8;
  background-color: #f0f7ff;
}

.form-group select,
.form-group input[type="date"] {
  padding: 12px;
  border: 1px solid #dddfe2;
  border-radius: 8px;
  font-size: 16px; /* 모바일에서 보기 좋은 크기 */
  width: 100%;
  max-width: 100%;
  appearance: none; /* 기본 스타일 제거 */
  background-color: #f9fafc;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
  box-sizing: border-box;
}

/* 날짜 입력 필드 특별 스타일 */
.form-group input[type="date"] {
  min-width: 0;
  max-width: 100%;
}

/* 날짜 입력 래퍼 스타일 */
.date-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

/* 캘린더 아이콘 스타일 */
.calendar-icon {
  position: absolute;
  right: 12px;
  color: #0066e8;
  pointer-events: none;
}

/* iOS 호환성을 위한 네이티브 date input 스타일 */
.native-date-input {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  z-index: 1;
  cursor: pointer;
  -webkit-appearance: none;
}

.date-display {
  padding: 12px;
  padding-right: 36px; /* 아이콘 공간 확보 */
  border: 1px solid #dddfe2;
  border-radius: 8px;
  font-size: 16px;
  width: 100%;
  background-color: #f9fafc;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
  box-sizing: border-box;
  cursor: pointer;
}

.date-display:hover,
.date-display.active {
  background-color: #f0f7ff;
  border-color: #0066e8;
}

.date-display:focus,
.date-display.focused {
  border-color: #0066e8;
  box-shadow: 0 0 0 3px rgba(0, 102, 232, 0.15);
  outline: none;
  background-color: #f0f7ff;
}

.form-warp {
  display: flex;
  gap: 10px;
  width: 100%;
}
/* 지역 그룹과 날짜 그룹을 동일한 크기로 조정 */
.region-group,
.date-group {
  /* width: 100%;
  flex: 1 1 auto; */
  flex: 1 1 calc(50% - 10px);
  max-width: calc(50% - 10px);
  width: auto;
}

/* 모바일에서 날짜 입력 필드 크기 제한 */
@media (max-width: 639px) {
  .date-group input[type="date"] {
    width: 100%;
    max-width: 100%;
  }
}

.form-group select:focus,
.form-group input[type="date"]:focus {
  border-color: #0066e8;
  box-shadow: 0 0 0 3px rgba(0, 102, 232, 0.15);
  outline: none;
}

/* 모바일에서 더 큰 터치 영역 */
@media (max-width: 639px) {
  .form-group select,
  .form-group input[type="date"],
  .venue-checkbox {
    min-height: 34px; /* 모바일 터치 영역 최소 권장 크기 44px */
  }

  /* 모바일에서 골프장 체크박스 영역 개선 */
  .golf-venues-group {
    width: 100%;
    margin-top: 10px;
  }

  .checkbox-container {
    display: flex;
    flex-direction: column;
    max-height: 200px; /* 모바일에서 더 큰 높이 */
  }
}

/* iOS Safari 전용 수정사항 */
@supports (-webkit-touch-callout: none) {
  .checkbox-container {
    max-height: 200px;
    -webkit-overflow-scrolling: touch;
    overflow-y: scroll; /* auto 대신 scroll 사용 */
  }

  .venue-checkbox {
    min-height: 44px; /* iOS에서 더 큰 터치 영역 */
  }

  .date-display {
    font-size: 16px; /* iOS에서 확대 방지 */
  }

  .native-date-input {
    cursor: pointer;
    -webkit-appearance: none;
  }
}

/* 골프장 체크박스 스타일 */
.golf-venues-group {
  width: 100%;
  margin-top: 10px;
  position: relative; /* 위치 컨텍스트 생성 */
  z-index: 1; /* 스택 컨텍스트 */
}

.checkbox-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 8px;
  max-height: 180px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid #dddfe2;
  border-radius: 10px;
  background-color: #f9fafc;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch; /* iOS 스크롤 개선 */
  position: relative; /* iOS에서 컨텐츠가 보이도록 */
  z-index: 1; /* 스택 컨텍스트 생성 */
  transform: translateZ(0); /* iOS에서 하드웨어 가속 활성화 */
  backface-visibility: hidden; /* 성능 최적화 */
}

.checkbox-container::-webkit-scrollbar {
  width: 6px;
}

.checkbox-container::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.checkbox-container::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}

.venue-checkbox {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: background-color 0.2s;
  min-height: 34px; /* 터치 영역 확보 */
}

.venue-checkbox:hover {
  background-color: #f0f7ff;
}

.venue-checkbox input[type="checkbox"] {
  margin-right: 8px;
  min-width: 16px;
  height: 16px;
  accent-color: #007bff;
}

.venue-checkbox label {
  font-size: 14px;
  font-weight: normal;
  cursor: pointer;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.venue-checkbox.select-all {
  background-color: #e7f3ff;
  grid-column: 1 / -1;
}

/* 정렬 옵션 스타일 */
.sort-options {
  /* width: 100%; */
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0;
  padding: 12px;
  background-color: #f8fafd;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid #e6edf7;
  transition: all 0.3s ease;
}

.sort-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 120px;
}

.sort-group label {
  font-weight: 600;
  margin-bottom: 6px;
  color: #1c1e21;
  font-size: 0.85rem;
}

.sort-group select {
  padding: 10px 12px;
  border: 1px solid #dddfe2;
  border-radius: 8px;
  font-size: 15px;
  background-color: white;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 12px top 50%;
  background-size: 10px auto;
  padding-right: 30px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-group select:hover {
  border-color: #b3d1ff;
  background-color: #f9faff;
}

.sort-group select:focus {
  border-color: #0066e8;
  box-shadow: 0 0 0 3px rgba(0, 102, 232, 0.15);
  outline: none;
}

@media (max-width: 639px) {
  .sort-options {
    padding: 10px;
  }

  .sort-group {
    flex: 1 1 calc(50% - 15px);
  }
}

.submit-btn {
  background-color: #0066e8;
  color: white;
  border: none;
  padding: 14px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s;
  width: 100%;
  box-shadow: 0 4px 10px rgba(0, 102, 232, 0.2);
  margin-top: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 50px;
}

.submit-btn:hover {
  background-color: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 102, 232, 0.25);
}

.submit-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 102, 232, 0.2);
}
.container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  /* display: flex; */
  flex-wrap: wrap;
  gap: 4px;
  justify-content: space-between;
  /* 부드러운 전환 효과 추가 */
  transition: opacity 0.5s ease-in-out;
}

/* 검색 결과 카드 애니메이션 */
.container .card-link {
  animation: fadeIn 0.5s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 각 카드에 지연 시간 추가 */
.container .card-link:nth-child(1) {
  animation-delay: 0.1s;
}
.container .card-link:nth-child(2) {
  animation-delay: 0.15s;
}
.container .card-link:nth-child(3) {
  animation-delay: 0.2s;
}
.container .card-link:nth-child(4) {
  animation-delay: 0.25s;
}
.container .card-link:nth-child(5) {
  animation-delay: 0.3s;
}
.container .card-link:nth-child(6) {
  animation-delay: 0.35s;
}
.container .card-link:nth-child(7) {
  animation-delay: 0.4s;
}
.container .card-link:nth-child(8) {
  animation-delay: 0.45s;
}
.container .card-link:nth-child(9) {
  animation-delay: 0.5s;
}
.container .card-link:nth-child(n + 10) {
  animation-delay: 0.55s;
}

@media (min-width: 640px) {
  .container {
    grid-template-columns: repeat(2, 1fr);
  }
  .filter-container form {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .form-group {
    flex: 1 1 45%;
    min-width: 0; /* 컨테이너 안에서 축소될 수 있도록 설정 */
  }

  /* 날짜와 지역 선택 입력 필드의 크기를 일정하게 맞춤 */
  .region-group,
  .date-group {
    flex: 1 1 calc(50% - 10px);
    max-width: calc(50% - 10px);
    width: auto;
  }

  .golf-venues-group {
    flex: 1 1 100%;
  }
}

@media (min-width: 960px) {
  .container {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1200px;
  }

  .form-group {
    flex: 1 1 auto;
  }
}

.card {
  background-color: #ffffff;
  border: 1px solid #ebeef5;
  /* border-radius: 12px; */
  padding: 4px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  /* height: 100%; */
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}
.card-link:hover .card {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  border-color: #d0e1fd;
}

.card h2 {
  margin: 0;
  font-size: 1.1em;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
}

.card p {
  /* font-size: 0.95em; */
  /* line-height: 1.5; */
  margin: 0;
  color: #4b4f56;
  display: flex;
  align-items: center;
  gap: 2px;
}

.card .highlight-info {
  margin: 2px;
  /* padding: 8px; */
  border-radius: 8px;
  background-color: #f8fafd;
}

.card .price-info {
  display: flex;
  justify-content: space-between;
  gap: 4px;
}

.info-value {
  font-weight: 500;
  color: #1e293b;
  /* font-size: 0.95rem; */
}

.user-info {
  display: flex;
  padding: 0 2px;
  flex-direction: row;
  gap: 6px;
  align-items: center;
}
.user-info-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-name {
  font-weight: 500;
  color: #334155;
  font-size: 0.95rem;
}

.count-badge {
  display: inline-block;
  /* background-color: #eff6ff; */
  /* color: #3b82f6; */
  padding: 3px 10px;
  /* border-radius: 12px; */
  font-size: 0.95em;
  font-weight: 500;
  min-width: 40px;
  text-align: center;
  /* border: 1px solid #d1e5ff; */
}

.lowest-price-badge {
  display: inline-flex;
  align-items: center;
  background-color: #fef2f2;
  color: #ef4444;
  padding: 3px 6px;
  border-radius: 12px;
  font-size: 0.75em;
  font-weight: 600;
  text-align: center;
  border: 1px solid #fecaca;
  /* margin-left: 8px; */
  vertical-align: middle;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.2);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
}
.card p strong {
  color: #1c1e21;
  margin-right: 5px;
}
.info-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #edf5ff;
  /* color: #0066e8; */
  padding: 4px;
  border-radius: 6px;
  font-size: 0.8em;
  margin-right: 8px;
  font-weight: 500;
  min-width: 50px;
  box-shadow: 0 1px 2px rgba(0, 102, 232, 0.1);
  border-left: 3px solid #10b981;
}
.empty-message {
  text-align: center;
  font-size: 1.1em;
  color: #64748b;
  padding: 40px 20px;
  background-color: #f9fafc;
  border-radius: 10px;
  border: 1px dashed #d1d9e6;
  grid-column: 1 / -1;
  margin: 20px 0;
  width: 100%;
}

.card-link {
  text-decoration: none; /* 링크 밑줄 제거 */
  color: inherit; /* 카드 내부 텍스트 색상을 그대로 사용 */
  display: block; /* <a> 태그가 div처럼 영역을 차지하도록 설정 */
  height: 100%; /* 그리드 아이템으로서 높이를 채우도록 */
  width: 100%;
  border-left: 3px solid green;
  border-radius: 5px;
}
.card-link:hover .card {
  /* a 태그에 호버 시 카드에 효과 적용 */
  transform: translateY(-5px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12), 0 10px 20px rgba(0, 0, 0, 0.08);
}

/* 디버깅 출력용 스타일 (평소에는 주석 처리하거나 숨김) */
.debug-output {
  background-color: #f5f5f5;
  border: 1px dashed #ccc;
  padding: 15px;
  margin: 20px auto;
  max-width: 1160px;
  font-family: monospace;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.85em;
  color: #333;
}
.debug-output h3 {
  margin-top: 0;
  color: #d9534f;
}

.loading-state {
  background-color: #f0f2f5 !important;
  cursor: wait !important;
}

/* 로딩 애니메이션 */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading .loading-icon {
  animation: spin 0.8s cubic-bezier(0.53, 0.21, 0.29, 0.67) infinite;
}

.loading {
  position: relative;
  background-color: #0052cc !important;
  box-shadow: 0 4px 12px rgba(0, 102, 232, 0.3) !important;
}

.loading span {
  opacity: 0.8;
}

/* 상세 필터 패널 스타일 */
.filter-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: flex-end;
  z-index: 1000;
  height: 100%;
}

.filter-panel-content {
  background-color: white;
  width: 100%;
  max-width: 500px;
  padding: 20px;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.filter-panel h3 {
  margin-top: 0;
  margin-bottom: 20px;
}

.filter-group {
  margin-bottom: 20px;
}

.filter-group h4 {
  margin-bottom: 10px;
  font-size: 16px;
  color: #555;
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-group .filter-btn {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid #ccc;
  background-color: #fff;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-group .filter-btn.active {
  background-color: #007bff;
  color: white;
  border-color: #007bff;
  font-weight: bold;
}

.panel-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 30px;
}

.panel-actions button {
  flex-grow: 1;
  padding: 12px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

#resetFiltersBtn,
#closePanelBtn {
  background-color: #f0f2f5;
  border: 1px solid #ccc;
  color: #333;
}

#applyFiltersBtn {
  background-color: #007bff;
  border: 1px solid #007bff;
  color: white;
  font-weight: bold;
}

.sub-filters {
  display: flex;
  flex-direction: row;
  gap: 6px;
  animation: fadeInBounce 0.6s cubic-bezier(0.17, 0.67, 0.48, 1.28);
  border: none;
}

.sub-filter-btn {
  background-color: #0066e8;
  color: white;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0, 102, 232, 0.2);
  animation: fadeInBounce 0.6s cubic-bezier(0.17, 0.67, 0.48, 1.28);
  border: none;
}

/* 토글 기능이 있는 필터 버튼 스타일 */
.sub-filter-btn.toggle {
  background-color: #f0f2f5;
  color: #333;
  font-weight: 500;
  border: 1px solid #ddd;
  box-shadow: none;
}

.sub-filter-btn.toggle.active {
  background-color: #ff6b6b; /* 빨간색 */
  color: white;
  border-color: #ff6b6b;
  box-shadow: 0 2px 4px rgba(255, 107, 107, 0.4);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
}

.refresh-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  color: #555;
  transition: transform 0.5s ease-in-out;
}

.refresh-btn:hover {
  transform: rotate(360deg);
  color: #007bff;
}

/* 그룹 카드 컨테이너 */
.group-card-container {
  margin-bottom: 8px;
  /* border-radius: 15px; */
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  background-color: #fff;
}

/* 그룹 대표 카드 (부모) */
.group-card {
  padding: 12px 15px;
  cursor: pointer;
  border-bottom: 1px solid #e9ecef;
  transition: background-color 0.2s;
  border-left: 3px solid blue;
  border-radius: 5px;
}

.group-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.group-card-header h2 {
  font-size: 1.2em;
  font-weight: bold;
}

.expand-toggle-btn {
  border: none;
  background: transparent;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.expand-toggle-btn::after {
  content: "▼";
  font-size: 12px;
  color: #868e96;
}

/* 상세 카드 컨테이너 (자식) */
.detail-cards-container {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-in-out;
  background-color: #f0f2f5;
}

.detail-cards-container .card-link {
  margin-bottom: 4px;
  box-shadow: none;
  border-bottom: 1px solid #f1f3f5;
}
.detail-cards-container .card-link:last-child {
  border-bottom: none;
}

/* 그룹이 확장되었을 때의 스타일 */
.group-card-container.expanded .detail-cards-container {
  max-height: 100%;
}

.group-card-container.expanded .expand-toggle-btn {
  transform: rotate(180deg);
}
.detail-cards-container .card .user-info-left h2 {
  display: none;
}