.school-filter-modal {
  box-sizing: border-box;
  width: min(880px, calc(100vw - 32px));
  max-width: 880px;
  height: min(600px, 92dvh);
  max-height: 92dvh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  color: #1e293b;
  background: #fff;
  box-shadow: 0 25px 50px rgba(12, 35, 64, .22);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Plus Jakarta Sans', sans-serif;
}
.school-filter-modal::backdrop { background: rgba(12, 35, 64, .42); backdrop-filter: blur(4px); }
.school-filter-modal * { box-sizing: border-box; }
.school-filter-modal button, .school-filter-modal input { font: inherit; }
.school-filter-modal button { cursor: pointer; }
.school-filter-modal button:focus-visible, .school-filter-modal input:focus-visible { outline: 2px solid #0f2b5c; outline-offset: 2px; }
.filter-shell { display: flex; flex-direction: column; height: 100%; }
.filter-head, .filter-tabs, .filter-foot { flex: none; }
.filter-head { display: flex; justify-content: space-between; align-items: center; padding: 22px 28px 18px; }
.filter-head h2 { margin: 0; color: #15243a; font-size: 21px; line-height: 1.4; font-weight: 700; }
.filter-close { width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: 9px; background: transparent; color: #687b93; transition: background-color .2s, color .2s; }
.filter-close:hover { background: #f1f4f8; color: #0f2b5c; }
.filter-tabs { display: flex; gap: 24px; padding: 0 28px; overflow-x: auto; }
.filter-tab { display: inline-flex; align-items: center; gap: 7px; flex: none; min-height: 50px; padding: 0 1px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #61738a; font-size: 14px !important; font-weight: 600 !important; }
.filter-tab[data-filter-tab="detail"] { margin-left: auto; }
.filter-tab[aria-selected="true"] { border-bottom-color: #ff4d26; color: #0f2b5c; }
.filter-tab .material-symbols-outlined { font-size: 17px; }
.filter-body { overflow-y: auto; min-height: 0; flex: 1; padding: 22px 28px; }
.filter-panel[hidden] { display: none; }
.filter-tools { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.filter-tools label { display: inline-flex; align-items: center; gap: 8px; color: #263951; font-size: 13px; font-weight: 600; }
.school-filter-modal input[type="checkbox"] { width: 16px; height: 16px; accent-color: #0f2b5c; }
.filter-group-title { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 0 0 12px; color: #172842; font-size: 14px; font-weight: 700; }
.filter-group-title span { margin-right: auto; }
.filter-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.filter-card { display: flex; align-items: center; gap: 9px; min-height: 58px; padding: 12px; border: 1px solid #dfe6ed; border-radius: 11px; background: #f4f6f7; color: #263951; font-size: 13px; font-weight: 600; cursor: pointer; }
.filter-card:hover { border-color: #8da6c1; background: #edf3fa; }
.filter-card:has(input:checked) { border: 2px solid #0f2b5c; padding: 11px; background: #f1f6fb; color: #0f2b5c; }
.filter-card:has(input:focus-visible) { outline: 2px solid #0f2b5c; outline-offset: 2px; }
.filter-select-all { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; color: #263951; font-size: 13px; font-weight: 600; cursor: pointer; }
.filter-future { margin-top: 26px; }
.filter-future-title { margin: 0 0 10px; color: #63768d; font-size: 12px; font-weight: 600; }
.filter-future-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.filter-future-grid span { padding: 10px; border: 1px solid #eef1f5; border-radius: 9px; background: #f8fafc; color: #9aa9bb; font-size: 12px; }
.filter-intro { color: #596e87; font-size: 13px; margin: 0 0 18px; line-height: 1.65; }
.filter-search-label { display: block; margin: 0 0 9px; color: #263951; font-size: 13px; font-weight: 700; }
.filter-name-field { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 14px; border: 1px solid #dfe6ed; border-radius: 11px; background: #f4f6f7; color: #60758e; }
.filter-name-field:focus-within { border-color: #0f2b5c; background: #fff; box-shadow: 0 0 0 2px rgba(16,47,93,.12); }
.filter-name-field .material-symbols-outlined { font-size: 19px; }
.filter-name-field input { width: 100%; min-width: 0; height: 44px; border: 0; outline: 0; background: transparent; color: #172842; font-size: 14px; }
.filter-name-field input::placeholder { color: #71829a; }
.filter-name-field input:focus-visible { outline: 0; }
.filter-subhead { margin: 22px 0 10px; color: #263951; font-size: 13px; font-weight: 700; }
.filter-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 28px; border-top: 1px solid #e9edf2; background: #fff; }
.filter-selection { color: #536781; font-size: 13px; }
.filter-selection strong { color: #0f2b5c; font-size: 20px; }
.filter-actions { display: flex; align-items: center; gap: 16px; }
.filter-search { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 22px; border: 1px solid #0f2b5c; border-radius: 99px; background: #fff; color: #0f2b5c; font-size: 14px !important; font-weight: 700 !important; white-space: nowrap; box-shadow: none; transition: background-color .2s, border-color .2s, color .2s; }
.filter-search:hover { border-color: #ff4d26; background: #ff4d26; color: #fff; }
@media (max-width: 640px) {
  .school-filter-modal { width: calc(100vw - 24px); height: min(600px, 90dvh); max-height: 90dvh; border-radius: 17px; }
  .filter-head { padding: 16px 18px 13px; }
  .filter-head h2 { font-size: 18px; }
  .filter-tabs { padding: 0 18px; gap: 19px; }
  .filter-body { padding: 18px; }
  .filter-card-grid, .filter-future-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-foot { padding: 12px 18px; }
  .filter-actions { gap: 6px; }
  .filter-search { padding: 10px 14px; font-size: 14px !important; }
}