/* 학생 목록: [보기] 옆 레벨 */
.sl-pill{display:inline-flex;align-items:center;gap:2px;height:26px;padding:0 6px 0 8px;border-radius:999px;border:1px solid var(--color-ds-primary-border-subtle,#735df133);background:var(--color-ds-primary-surface,#eef);color:var(--color-ds-primary,#735df1);font-size:12px;font-weight:700;cursor:pointer;flex-shrink:0}
.sl-pill:hover{filter:brightness(.97)}
.sl-pill.is-empty{color:var(--color-ds-ink-tertiary,#919191);font-weight:600}

/* 학생 정보 모달 */
.si-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#0006}
.si-modal{display:flex;flex-direction:column;width:min(488px,100%);max-height:100%;border-radius:20px;background:#fff;overflow:hidden;box-shadow:var(--shadow-ds-modal,0 12px 36px #0000002e)}
.si-head{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px 0 22px;background:var(--color-ds-success,#009a88);color:#fff;flex-shrink:0}
.si-head b{font-size:16px}
.si-x{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;color:#fff;cursor:pointer}
.si-x:hover{background:#ffffff26}
.si-body{flex:1;min-height:0;overflow-y:auto}
.si-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:14px 22px;border-bottom:1px solid var(--color-ds-line-subtle,#e2e5ea)}
.si-label{font-size:12px;color:var(--color-ds-ink-tertiary,#919191)}
.si-value{margin-top:8px;font-size:15px;color:var(--color-ds-ink,#111)}
.si-value.is-empty{color:var(--color-ds-ink-tertiary,#919191)}
.si-btn{display:inline-flex;flex-shrink:0;align-items:center;gap:5px;height:32px;padding:0 12px;border-radius:8px;border:1px solid var(--color-ds-line-default,#cdd2da);background:#fff;font-size:13px;font-weight:600;color:var(--color-ds-ink,#111);cursor:pointer}
.si-btn:hover{background:var(--color-ds-surface-muted,#f7f8fa)}
.si-lock{flex-shrink:0;padding:3px 8px;border-radius:999px;background:var(--color-ds-surface-muted,#f1f2f5);font-size:11px;color:var(--color-ds-ink-tertiary,#919191)}
.si-guardian{align-items:flex-start}
.si-alarm{display:flex;align-items:center;gap:6px;margin-top:12px;font-size:12px;color:var(--color-ds-ink-secondary,#555)}
.si-alarm span{padding:3px 9px;border-radius:999px;background:#eceef1;color:var(--color-ds-ink-tertiary,#919191)}
.si-note{padding:14px 22px 0;font-size:12px;line-height:1.6;color:var(--color-ds-ink-tertiary,#919191)}
.si-out{margin:12px 22px 20px;height:40px;padding:0 16px;border-radius:8px;background:var(--color-ds-danger,#e53e3e);color:#fff;font-size:13px;font-weight:700;cursor:pointer}

/* 레벨 테스트 영역 */
.si-lt{display:block;background:#fbfaff}
.si-lt-head{display:flex;align-items:center;justify-content:space-between}
.si-lt-last{display:flex;align-items:center;gap:10px;margin-top:10px}
.si-lt-last b{display:block;font-size:15px;color:var(--color-ds-ink,#111)}
.si-lt-last small{display:block;margin-top:2px;font-size:12px;color:var(--color-ds-ink-secondary,#555)}
.si-lv{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;background:var(--color-ds-primary,#735df1);color:#fff;font-size:12px;font-weight:700}
.si-lv.sm{width:26px;height:22px;border-radius:999px;background:var(--color-ds-primary-surface,#eef);color:var(--color-ds-primary,#735df1);font-size:11px}
.si-lt-list{margin-top:12px;border-top:1px dashed var(--color-ds-line-subtle,#e2e5ea)}
.si-lt-list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--color-ds-line-subtle,#e2e5ea);font-size:13px;color:var(--color-ds-ink-secondary,#555)}
.si-lt-list li:last-child{border-bottom:0}
.si-lt-list li b{margin-left:auto;color:var(--color-ds-ink,#111)}
/* [보기] 왼쪽 레벨 드롭다운: 위 "학생 레벨"(선택) / 아래 "레벨 테스트"(기록) 두 영역 구분 */
.sl-menu{width:300px;padding:0;overflow:hidden;background:#fff}
.sl-sec{padding:14px 16px}
.sl-sec-title{font-size:12px;font-weight:700;color:var(--color-ds-ink-secondary,#555)}
.sl-levels{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:10px}
.sl-levels button{height:32px;border-radius:8px;border:1px solid var(--color-ds-line-default,#cdd2da);background:#fff;font-size:12px;font-weight:700;color:var(--color-ds-ink,#111);cursor:pointer}
.sl-levels button:hover{border-color:var(--color-ds-primary,#735df1)}
.sl-levels button[aria-checked=true]{border-color:transparent;background:var(--color-ds-primary,#735df1);color:#fff}
.sl-levels .sl-none{font-weight:600;color:var(--color-ds-ink-tertiary,#919191)}
.sl-lt{border-top:1px solid var(--color-ds-line-subtle,#e2e5ea);background:var(--color-ds-surface-muted,#f7f8fa)}
.sl-lt-head{display:flex;align-items:center;justify-content:space-between}
.sl-detail{height:26px;padding:0 10px;border-radius:6px;border:1px solid var(--color-ds-line-default,#cdd2da);background:#fff;font-size:12px;font-weight:600;color:var(--color-ds-ink,#111);cursor:pointer}
.sl-detail:hover{border-color:var(--color-ds-primary,#735df1);color:var(--color-ds-primary,#735df1)}
.sl-last{margin-top:10px}
.sl-last b{display:block;font-size:15px;color:var(--color-ds-ink,#111)}
.sl-last small{display:block;margin-top:2px;font-size:12px;color:var(--color-ds-ink-secondary,#555)}
.sl-hist{margin-top:10px;padding:2px 10px;border-radius:8px;background:#fff;border:1px solid var(--color-ds-line-subtle,#e2e5ea)}
.sl-hist li{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px dashed var(--color-ds-line-subtle,#e2e5ea);font-size:12px;color:var(--color-ds-ink-secondary,#555)}
.sl-hist li:last-child{border-bottom:0}
.sl-hist em{font-style:normal;font-weight:700;color:var(--color-ds-primary,#735df1)}
.sl-hist b{margin-left:auto;color:var(--color-ds-ink,#111)}
.sl-empty{margin-top:8px;font-size:13px;color:var(--color-ds-ink-tertiary,#919191)}
/* 학생 레벨도 클래스처럼 Level n 표기 */
.sl-pill{padding:0 6px 0 10px;white-space:nowrap}
.sl-levels{grid-template-columns:repeat(3,1fr);gap:6px}
.sl-levels .sl-none{grid-column:1/-1}

/* 선생님(클래스) 레벨 UI에 맞춤: 버튼은 .lv-btn, 메뉴는 .lv-menu 카드 그리드 */
.sl-pill.lv-btn{height:28px;padding:0 8px 0 12px;font-size:12px}
.sl-pill.lv-btn.is-empty b{color:var(--color-ds-ink-tertiary,#919191)}
.sl-menu{width:384px;padding:0;background:var(--color-ds-surface-muted,#f7f8fa)}
.sl-menu .sl-sec:first-child{padding:14px}
.sl-menu .sl-lt{margin:0;padding:14px;border-top:1px solid var(--color-ds-line-subtle,#e2e5ea);background:#fff}
.sl-menu .sl-lt .sl-sec-title{font-size:14px;font-weight:700;color:var(--color-ds-ink,#111)}
/* 학생 레벨 모달 */
.sl-modal{width:min(420px,100%)}
.sl-modal .si-head small{margin-left:6px;font-size:13px;font-weight:500;color:#ffffffc0}
.sl-modal .sl-pick{padding:18px 20px;background:var(--color-ds-surface-muted,#f7f8fa)}
.sl-modal .sl-lt{padding:18px 20px 22px;border-top:1px solid var(--color-ds-line-subtle,#e2e5ea);background:#fff}
.sl-modal .sl-lt .sl-sec-title{font-size:14px;font-weight:700;color:var(--color-ds-ink,#111)}
.sl-modal .sl-hist{max-height:220px;overflow-y:auto}
.si-level{align-items:center}
.si-level .si-label{font-size:12px}

.sl-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--color-ds-line-subtle,#e2e5ea);background:#fff;flex-shrink:0}
.sl-foot .st-btn{height:40px;padding:0 18px;border-radius:8px;border:1px solid var(--color-ds-line-default,#cdd2da);background:#fff;font-size:14px;font-weight:600;color:var(--color-ds-ink,#111);cursor:pointer}
.sl-foot .st-btn.primary{border-color:transparent;background:var(--color-ds-primary,#735df1);color:#fff}
.sl-foot .st-btn:disabled{opacity:.4;cursor:default}

/* 학생 레벨 모달: 레벨 테스트 이력 표(수납 테이블 에셋, 최근 10회) */
.sl-table{margin-top:10px}
.sl-table-body{max-height:228px;overflow-y:auto}
.sl-lv-tag{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:999px;background:var(--color-ds-primary-surface,#eef);color:var(--color-ds-primary,#735df1);font-size:11px;font-weight:700}
.sl-table-body{max-height:266px}
.sl-table-head{position:sticky;top:0;z-index:1}
.sl-lt-note{margin-top:4px;font-size:12px;color:var(--color-ds-ink-tertiary,#919191)}
.sl-table-head > div{height:36px}
.sl-table-body{max-height:none;overflow:visible}
.sl-lt-btns{display:flex;gap:6px}
.sl-table + .sl-lt-note{margin-top:8px}