/* =========================================================
   5학년 반편성 - 화면 디자인
   중심색: 남색 / 학업: 파랑 / 생활지도: 주황 / 경고: 노랑·빨강
   ========================================================= */
:root{
  --bg:#f4f5f8; --panel:#ffffff; --line:#e1e4ea; --line2:#eef0f4; --text:#1b2333; --muted:#6b7382; --soft:#f7f8fa;
  --primary:#27408b; --primary-bg:#e9edf8; --primary-dark:#1d3170;
  --acad:#2a5bd7; --acad-bg:#e4ecfd; --cond:#c4570c; --cond-bg:#fdecdc;
  --boy:#3a72e0; --girl:#d6488f;
  --bad:#d4342a; --bad-bg:#fdeceb; --warn:#a46a00; --warn-bg:#fff5da; --ok:#1a7f43; --ok-bg:#e4f5ea;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Pretendard Variable","Pretendard","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
button,input,select{font:inherit;color:inherit;letter-spacing:inherit}
button{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 13px;font-weight:500;transition:background .15s,border-color .15s,box-shadow .15s}
button:hover:not(:disabled){border-color:#b8bfcc;background:var(--soft)}
button:disabled{opacity:.4;cursor:default}
button.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
button.primary:hover:not(:disabled){background:var(--primary-dark);border-color:var(--primary-dark)}
button.danger{color:var(--bad);border-color:#f0c4c0}
input[type=text],input[type=password],select{border:1px solid var(--line);border-radius:9px;padding:7px 10px;background:#fff;transition:border-color .15s,box-shadow .15s}
input[type=text]:focus,input[type=password]:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-bg)}
.hidden{display:none!important}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
.muted{color:var(--muted)}
.err{color:var(--bad);min-height:1.4em;margin-top:10px;font-size:14px}

/* 상단 */
#topbar{display:flex;align-items:center;gap:14px;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
#topbar h1{font-size:18px;font-weight:800;color:var(--primary)}
#whoami{color:var(--muted);font-size:14px;background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:2px 12px}
#topbar .sp{flex:1}
main{padding:18px 24px 64px}

/* 로그인 */
#loginView{display:flex;justify-content:center;align-items:flex-start;padding-top:12vh}
.login-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px 28px;width:min(400px,100%);box-shadow:0 10px 30px rgba(16,24,40,.08)}
.login-card .eyebrow{margin:0 0 4px;font-size:14px;font-weight:600;color:var(--primary)}
.login-card h1{font-size:28px;font-weight:800;margin-bottom:8px}
.login-card p.muted{margin:0 0 6px;font-size:14px}
.login-card label{display:block;margin-top:16px;font-weight:600;font-size:14px}
.login-card select,.login-card input{display:block;width:100%;margin-top:6px;padding:10px 12px}
.login-card button{width:100%;margin-top:22px;padding:11px;font-size:16px}

/* 탭 */
.tabs{display:inline-flex;gap:4px;margin-bottom:16px;flex-wrap:wrap;background:#e8eaef;padding:4px;border-radius:12px}
.tabs button{padding:8px 18px;font-weight:600;border:0;background:transparent;color:var(--muted);border-radius:9px}
.tabs button:hover:not(:disabled){background:rgba(255,255,255,.6)}
.tabs button.on{background:#fff;color:var(--text);box-shadow:var(--shadow)}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px;box-shadow:var(--shadow)}
.panel h2{font-size:17px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{font-size:13px;padding:2px 10px;border-radius:999px;font-weight:600;white-space:nowrap}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.bad{background:var(--bad-bg);color:var(--bad)}
.pill.warn{background:var(--warn-bg);color:var(--warn)}

table.grid{border-collapse:collapse;width:100%}
table.grid th,table.grid td{border-bottom:1px solid var(--line2);padding:8px 10px;text-align:center;white-space:nowrap}
table.grid th{background:var(--soft);font-weight:600;font-size:13px;color:var(--muted)}
table.grid tr.total td{font-weight:700;background:var(--soft)}
.tablewrap{overflow-x:auto}

/* 입력표 */
.ed-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.ed-head h2{font-size:22px;font-weight:800}
.ed-head .sp{flex:1}
#saveState{color:var(--muted);font-size:14px}
#saveState.dirty{color:var(--warn);font-weight:600}
.banner{padding:12px 16px;border-radius:10px;margin-bottom:12px;font-weight:600}
.banner.locked{background:var(--warn-bg);color:var(--warn)}
.legend{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.legend span{padding:4px 12px;border-radius:999px;font-weight:600;font-size:14px}
.legend .a{background:var(--acad-bg);color:var(--acad)}
.legend .c{background:var(--cond-bg);color:var(--cond)}
.summary{margin-bottom:12px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.progress{width:160px;height:8px;background:var(--line2);border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--ok);border-radius:999px}
table.ed{border-collapse:separate;border-spacing:0;background:#fff;width:100%;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table.ed th,table.ed td{border-bottom:1px solid var(--line2);padding:6px 8px;text-align:center;white-space:nowrap}
table.ed tbody tr:nth-child(even) td{background:#fafbfd}
table.ed tbody tr:hover td{background:var(--primary-bg)}
table.ed th{position:sticky;top:59px;background:var(--soft);font-size:13px;font-weight:600;color:var(--muted);z-index:5}
table.ed th.a{color:var(--acad)} table.ed th.c{color:var(--cond)}
table.ed td.nm{text-align:left;font-weight:700}
table.ed tr.incomplete td:first-child{box-shadow:inset 4px 0 0 var(--warn)}
table.ed .ok-dot{color:var(--ok);font-weight:800;margin-right:4px}
table.ed select.dup{border-color:var(--bad);background:var(--bad-bg)}
.g-M{color:var(--boy);font-weight:600} .g-F{color:var(--girl);font-weight:600}
.lv{display:inline-flex;border-radius:9px;overflow:hidden;border:1px solid var(--line);background:#fff}
.lv button{border:0;border-radius:0;padding:4px 9px;background:transparent;min-width:30px}
.lv button+button{border-left:1px solid var(--line)}
.lv-acad button.on{background:var(--acad);color:#fff}
.lv-cond button.on{background:var(--cond);color:#fff}
table.ed input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}
table.ed input.memo{width:220px}
button.rel{font-size:13px;padding:4px 10px}
.groups{margin-top:20px}
.groups h3{font-size:17px;margin-bottom:10px}
.group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:8px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow)}
.chip{display:inline-flex;align-items:center;gap:4px;background:var(--primary-bg);color:var(--primary);border-radius:999px;padding:3px 4px 3px 12px;font-size:14px;font-weight:500}
.chip button{border:0;background:transparent;padding:0 6px;color:var(--primary)}

/* 모달 */
.modal{position:fixed;inset:0;background:rgba(15,20,35,.45);display:flex;align-items:flex-start;justify-content:center;padding:7vh 16px;z-index:50;overflow:auto;backdrop-filter:blur(2px)}
.modal-box{background:#fff;border-radius:16px;padding:24px;width:min(640px,100%);box-shadow:0 20px 50px rgba(16,24,40,.18)}
.modal-box h3{font-size:19px;margin-bottom:14px}
.modal-box h4{font-size:15px;margin:18px 0 8px}
.addrow{display:flex;gap:6px;flex-wrap:wrap}
.addrow input{flex:1;min-width:200px}
.rellist{display:flex;flex-direction:column;gap:6px}
.relitem{display:flex;gap:8px;align-items:center;padding:8px 12px;background:var(--soft);border:1px solid var(--line2);border-radius:10px}
.relitem .sp{flex:1}
.modal-foot{margin-top:20px;text-align:right}

/* 반편성 도구줄 */
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;margin-bottom:10px;box-shadow:var(--shadow)}
.toolbar .sp{flex:1}
.seg{display:inline-flex;background:#e8eaef;padding:3px;border-radius:10px;gap:2px}
.seg button{border:0;border-radius:8px;font-weight:600;background:transparent;color:var(--muted);padding:6px 14px}
.seg button.on{background:#fff;color:var(--text);box-shadow:var(--shadow)}
.dirtyflag{color:var(--warn);font-weight:600;font-size:14px}
button.tvbtn{background:var(--text);border-color:var(--text);color:#fff;font-weight:600}
button.tvbtn:hover:not(:disabled){background:#000;border-color:#000}
details.weights{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;margin-bottom:10px;box-shadow:var(--shadow)}
details.weights summary{cursor:pointer;font-weight:600}
.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px 18px;margin-top:10px}
.wgrid label{display:flex;align-items:center;gap:8px}
.wgrid label span.n{flex:1}
.wgrid input[type=range]{width:120px;accent-color:var(--primary)}
.note{color:var(--muted);margin:0 0 10px;font-size:14px}

/* 요약 카드 */
.overview{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-bottom:10px}
.ov{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;box-shadow:var(--shadow);border-top:4px solid var(--ok)}
.ov.warn{border-top-color:#e0a100}
.ov.bad{border-top-color:var(--bad)}
.ov .k{font-size:12.5px;color:var(--muted);font-weight:600}
.ov .v{font-size:22px;font-weight:800;line-height:1.2;margin-top:2px}
.ov.bad .v{color:var(--bad)}
.ov.warn .v{color:var(--warn)}
.ov .s{font-size:12px;color:var(--muted)}
.barlegend{flex-wrap:wrap;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0 0 8px}
.barlegend .mt{width:70px}

/* 반 보드 */
.board{display:grid;gap:8px;overflow-x:auto;padding-bottom:6px}
.col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-width:185px;display:flex;flex-direction:column;container-type:inline-size;box-shadow:var(--shadow);transition:outline-color .15s}
.col.over{outline:3px solid var(--primary);outline-offset:-2px}
.col.unassigned{background:var(--bad-bg)}
.col-head{padding:10px 10px 8px;border-bottom:1px solid var(--line);font-size:12.5px}
.col-head .cname{font-size:21px;font-weight:800;display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px;color:var(--primary)}
.col-head .cname b{font-size:15px;color:var(--text);font-weight:700}
.col-head .cname b.bad{color:var(--bad)}
.col-head .cs{color:var(--muted);margin-top:2px}
.col-head .cs .a{color:var(--acad);font-weight:600}
.col-head .cs .c{color:var(--cond);font-weight:600}

/* 반별 막대: 가운데 선 = 학년 평균, 오른쪽 = 평균보다 많음/높음 */
.mb{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:6px;margin:3px 0}
.mb .ml{color:var(--muted);font-weight:600;white-space:nowrap}
.mt{position:relative;height:8px;background:var(--line2);border-radius:999px}
.mt .m0{position:absolute;left:50%;top:-2px;bottom:-2px;width:2px;margin-left:-1px;background:#9aa3b2;border-radius:1px}
.mt .mf{position:absolute;top:0;bottom:0;background:#8b95a7;border-radius:999px}
.mt .mf.mid{background:#e0a100}
.mt .mf.hi{background:var(--bad)}
.mb .mv{font-weight:700;color:var(--text);min-width:38px;text-align:right;white-space:nowrap}

.col-body{padding:6px;display:flex;flex-direction:column;gap:4px;min-height:60px;flex:1}
.card{display:flex;align-items:center;gap:4px;padding:4px 6px;border:1px solid var(--line);border-left:5px solid var(--boy);border-radius:8px;background:#fff;cursor:grab;font-size:15px;user-select:none;transition:box-shadow .12s,transform .12s}
.card:hover{box-shadow:0 2px 6px rgba(16,24,40,.12);transform:translateY(-1px)}
.card.F{border-left-color:var(--girl)}
.card.hard{outline:2.5px solid var(--bad);outline-offset:-1px;background:var(--bad-bg)}
.card.warn{outline:2.5px solid #e0a100;outline-offset:-1px}
/* 특급지도 학생: 형광펜 같은 노란 음영 */
.card.super{background:#fff07a;border-color:#e8cf2c}
.card.super .nm{color:#3d2f00}
.card.hard{background:var(--bad-bg)}
.supcount{font-weight:700;color:var(--muted)}
.supcount.on{background:#fff07a;color:#3d2f00;border-radius:4px;padding:0 4px}
.suplegend{background:#fff07a;color:#3d2f00;border-radius:4px;padding:0 6px;font-weight:700}
.card.dragging{opacity:.4}
.card.drop{box-shadow:0 0 0 3px var(--primary)}
.card .nm{font-weight:700;white-space:nowrap}
.card .pv{color:var(--muted);font-size:12px;white-space:nowrap}
.card .sp{flex:1;min-width:0}
.card .lvA,.card .lvC{font-size:12px;font-weight:700;border-radius:5px;padding:0 5px;min-width:18px;text-align:center}
.card .lvA{background:var(--acad-bg);color:var(--acad)}
.card .lvC{background:var(--cond-bg);color:var(--cond)}
.card .lvC.hi{background:var(--cond);color:#fff}
.card .tg{font-size:12px;color:#4b5563;white-space:nowrap;min-width:0;overflow:hidden}
.card .lock{border:0;background:transparent;padding:0 2px;font-size:13px;opacity:.22}
.card .lock:hover:not(:disabled){background:transparent;opacity:.6}
.card .lock.on{opacity:1}
/* 반별 등수 배지: 1~5등 진하게, 22등~ 옅게 */
.card .rk{font-size:13px;font-weight:800;min-width:38px;text-align:center;border-radius:6px;padding:0 4px;background:#eef1f5;color:var(--text)}
.card .rk.top{background:var(--primary);color:#fff}
.card .rk.bot{background:transparent;color:var(--muted);border:1px solid var(--line)}

.report{display:grid;grid-template-columns:minmax(0,3fr) minmax(280px,2fr);gap:12px;margin-top:12px;align-items:start}
@media (max-width:1100px){.report{grid-template-columns:1fr}}
.issues{display:flex;flex-direction:column;gap:6px;max-height:420px;overflow:auto}
.issue{padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.45}
.issue.hard{background:var(--bad-bg);color:var(--bad)}
.issue.warn{background:var(--warn-bg);color:var(--warn)}
.loglist{max-height:220px;overflow:auto;font-size:14px;margin:0;padding-left:18px;color:var(--muted)}
.empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}

/* TV 발표 모드: 메뉴를 숨기고 반 보드만 크게 */
.tvbar{display:none}
body.tv #topbar,body.tv .tabs,body.tv #tab-board > .toolbar,body.tv details.weights,body.tv #tab-board > .note,body.tv .rp-table{display:none!important}
body.tv main{padding:12px 14px 80px}
body.tv .report{grid-template-columns:1fr}
body.tv .tvbar{display:flex;position:fixed;right:16px;bottom:16px;z-index:40;gap:8px;background:rgba(27,35,51,.92);padding:8px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
body.tv .tvbar button{background:transparent;border-color:rgba(255,255,255,.25);color:#fff}
body.tv .tvbar button:hover:not(:disabled){background:rgba(255,255,255,.12)}
body.tv .tvbar .dirtyflag{color:#ffd36b;align-self:center;padding:0 6px}
body.tv .card{font-size:17px}
body.tv .col-head{font-size:13.5px}
body.tv .col-head .cname{font-size:25px}

/* 대형 TV */
@media (min-width:1800px){
  body{font-size:17px}
  .card{font-size:18px;padding:5px 8px}
  .card .lvA,.card .lvC,.card .tg,.card .pv{font-size:14px}
  .card .rk{font-size:15px}
  .col-head{font-size:14px}
  .col-head .cname{font-size:24px}
}

/* 반이 많아 열이 좁을 때는 카드를 촘촘하게 (TV 모드 포함) */
@container (max-width:230px){
  .card,body.tv .card{font-size:14px;gap:2px;padding:3px 3px 3px 4px}
  .card .pv{font-size:11px}
  .card .lvA,.card .lvC{padding:0 3px;min-width:15px}
  .card .lock{padding:0}
  .card .rk{font-size:12px;min-width:32px;padding:0 2px}
  .mb{grid-template-columns:42px 1fr auto;gap:4px}
}

.busy{position:fixed;inset:0;background:rgba(255,255,255,.75);display:flex;align-items:center;justify-content:center;z-index:60;font-size:22px;font-weight:700;color:var(--primary);backdrop-filter:blur(2px)}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--text);color:#fff;padding:10px 18px;border-radius:10px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:70;box-shadow:0 8px 24px rgba(0,0,0,.2)}
#toast.show{opacity:1}

/* 설정 오류 경고 띠 */
.setup-error{position:sticky;top:0;z-index:80;background:var(--bad);color:#fff;font-weight:700;font-size:17px;padding:14px 20px;line-height:1.5}
#teacherView .toolbar label{font-weight:600}

/* 생활지도 기준표 */
details.rubric{background:var(--cond-bg);border:1px solid #f6d6b8;border-radius:var(--radius);padding:10px 14px;margin-bottom:12px}
details.rubric summary{cursor:pointer;font-weight:700;color:var(--cond)}
details.rubric table{border-collapse:collapse;margin-top:6px}
details.rubric td{padding:3px 8px;vertical-align:top}
details.rubric td.rn{font-weight:800;color:var(--cond);width:28px;text-align:center}

/* 카드 안 요소는 줄바꿈하지 않음: 공간이 부족하면 태그가 먼저 줄어듦 */
.card .nm,.card .pv,.card .rk,.card .lvA,.card .lvC,.card .lock{flex-shrink:0;white-space:nowrap}

/* ★ 학생 표시 */
.card .star{color:#b8860b;margin-right:2px}
.autostar{display:inline-block;background:#fff07a;color:#3d2f00;font-weight:800;font-size:12px;border-radius:6px;padding:1px 6px;white-space:nowrap}
.pill.starpill{background:#fff6b8;color:#5a4500}