:root{
  --bg:#f4f5f7;--card:#fff;--line:#e3e6ea;--text:#1d2330;--muted:#6b7280;
  --primary:#2456e6;--primary-d:#1b43b8;--danger:#d93b3b;--ok:#1f9d55;--warn:#d98f0f;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,"Pretendard","Malgun Gothic","Apple SD Gothic Neo",sans-serif}
a{color:var(--primary);text-decoration:none;cursor:pointer}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--text);padding:7px 13px;border-radius:8px;transition:.12s}
button:hover{background:#f7f8fa}
button.primary{background:var(--primary);border-color:var(--primary);color:#fff}
button.primary:hover{background:var(--primary-d)}
button.danger{color:var(--danger);border-color:#f1c4c4}
button.danger:hover{background:#fdf2f2}
button.sm{padding:4px 9px;font-size:12.5px;border-radius:6px}
button:disabled{opacity:.5;cursor:default}
input,select,textarea{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);width:100%}
input:focus,select:focus{outline:2px solid #c7d4fb;border-color:var(--primary)}
label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
.field{margin-bottom:12px}
.row{display:flex;gap:10px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grow{flex:1}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.right{text-align:right}
.center{text-align:center}
.hide{display:none!important}

/* 상단바 */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar .in{max-width:1180px;margin:0 auto;padding:0 20px;height:54px;display:flex;align-items:center;gap:18px}
.brand{font-weight:800;font-size:17px;letter-spacing:-.3px;color:var(--text)}
.brand span{color:var(--primary)}
.topbar nav a{color:var(--muted);padding:6px 10px;border-radius:6px}
.topbar nav a.on,.topbar nav a:hover{color:var(--text);background:#f1f3f6}
.topbar .me{margin-left:auto;display:flex;align-items:center;gap:8px}
.badge{display:inline-block;padding:1px 7px;border-radius:999px;font-size:11.5px;background:#eef2ff;color:var(--primary);font-weight:600}
.badge.gray{background:#f1f3f6;color:var(--muted)}
.badge.ok{background:#e6f6ed;color:var(--ok)}
.badge.warn{background:#fdf3e1;color:var(--warn)}

.page{max-width:1180px;margin:0 auto;padding:22px 20px 60px}
.page h1{font-size:21px;margin:0 0 4px;letter-spacing:-.3px}
.page h2{font-size:16px;margin:0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px}
.card .card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs a{padding:9px 14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;font-weight:500}
.tabs a.on{color:var(--primary);border-color:var(--primary)}
.info-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.info-strip .it{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.info-strip .it b{display:block;font-size:12px;color:var(--muted);font-weight:500}
.info-strip .it span{font-size:15px;font-weight:600}

table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:12.5px;color:var(--muted);font-weight:600;background:#fafbfc}
tr:hover td{background:#fafbfd}
td.actions{white-space:nowrap;text-align:right}
.empty{padding:36px;text-align:center;color:var(--muted)}

/* 성적 입력 표 */
.grid-wrap{overflow:auto;max-height:70vh;border:1px solid var(--line);border-radius:8px}
.grid{border-collapse:separate;border-spacing:0;font-size:13px}
.grid th,.grid td{padding:0;border-right:1px solid #eef0f3;border-bottom:1px solid #eef0f3;text-align:center;height:30px;min-width:30px}
.grid th{position:sticky;top:0;z-index:2;background:#fafbfc}
.grid th.name,.grid td.name{position:sticky;left:0;z-index:1;background:#fff;text-align:left;padding:0 10px;min-width:110px;font-weight:500}
.grid th.name{z-index:3}
.grid td.cell{cursor:pointer;user-select:none}
.grid td.cell:hover{background:#f0f3ff}
.grid td.cell.x{background:#ffe1e1;color:var(--danger);font-weight:700}
.grid td.cnt{color:var(--muted);min-width:46px}
.grid th.hot{background:#fff1f1;color:var(--danger)}

/* 모달 */
.modal-bg{position:fixed;inset:0;background:rgba(20,24,33,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:12px;width:100%;max-width:520px;max-height:92vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.wide{max-width:760px}
.modal .m-head{padding:16px 20px 0;font-size:16px;font-weight:700}
.modal .m-body{padding:14px 20px}
.modal .m-foot{padding:12px 20px 16px;display:flex;justify-content:flex-end;gap:8px}
.check-list{border:1px solid var(--line);border-radius:8px;max-height:260px;overflow:auto}
.check-list label{display:flex;align-items:center;gap:8px;padding:7px 10px;margin:0;color:var(--text);font-size:13.5px;border-bottom:1px solid #f1f3f6;cursor:pointer}
.check-list label:hover{background:#fafbfd}
.check-list input{width:auto}

/* 로그인 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login{width:100%;max-width:360px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.login .brand{font-size:22px;display:block;margin-bottom:4px}

#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#1d2330;color:#fff;padding:10px 16px;border-radius:8px;font-size:13.5px;opacity:0;transition:.2s;pointer-events:none;z-index:99;max-width:90vw}
#toast.show{opacity:1}
#toast.err{background:var(--danger)}
.drop{border:2px dashed #cfd6e2;border-radius:10px;padding:18px;text-align:center;color:var(--muted);cursor:pointer}
.drop:hover,.drop.over{border-color:var(--primary);background:#f6f8ff;color:var(--primary)}
.problem-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:8px}
.problem{border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:12.5px;display:flex;gap:8px;align-items:flex-start;min-width:0}
.problem b{font-size:14px;min-width:26px}
.problem .t{flex:1;min-width:0}
.problem .ans{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end;max-width:62%}
.problem .ans input{width:56px;padding:3px 6px;text-align:center}
.problem .ans select{padding:2px 6px;font-size:12px;width:auto}
.problem .ans label{white-space:nowrap}
.problem .t{color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:640px){.page{padding:14px 12px 50px}.topbar .in{padding:0 12px}.card{padding:12px}}

.progress{height:10px;background:#eef0f4;border-radius:999px;overflow:hidden;margin:6px 0 4px}
.progress .bar{height:100%;background:var(--primary);transition:width .4s}
textarea{resize:vertical}

.grid td.cell.p{background:#fff4d6;color:#8a5a00;font-weight:600}
.grid td.cell.sk{background:#eef0f4;color:#6b7280}
.grid th.att,.grid td.att{min-width:92px}
.grid td.att select{padding:2px 4px;border:none;background:transparent;font-size:12.5px;width:88px}
.grid td.att select.absent,.grid td.att select.nocontact{color:var(--danger);font-weight:600}
.grid td.att select.video{color:#1f6fb2}
.grid tr.absent td.cell{opacity:.35}
.grid td.score{font-weight:600}
.grid tr.sub th{height:22px;top:30px}
.grid a.memo{color:#9aa3b2}
.grid a.memo.has{color:var(--primary);font-weight:700}

.notice{background:#fff7e6;border:1px solid #f5d9a6;color:#7a4b00;border-radius:8px;padding:9px 12px;margin-bottom:10px;font-size:13px}
.notice a{font-weight:700;text-decoration:underline}
button.warnbtn{border-color:#e9b949;background:#fff7e6;color:#7a4b00;font-weight:600}
.pts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:6px;max-height:40vh;overflow:auto;padding:4px}
.pts-grid label{display:flex;align-items:center;gap:4px;margin:0;color:var(--text)}
.pts-grid label span{min-width:22px;text-align:right;font-weight:700;font-size:12px;color:var(--muted)}
.pts-grid input{padding:4px 6px;font-size:13px}

.msg-list{max-height:60vh;overflow:auto;display:flex;flex-direction:column;gap:8px}
.msg{border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.msg.abs{border-color:#f1c4c4;background:#fff8f8}
.msg pre{white-space:pre-wrap;font:13px/1.5 inherit;margin:6px 0 0;color:#374151}
tr.donerow td{color:#9aa3b2}
tr.donerow td b{color:#9aa3b2}

/* 수업일 · 출석부 */
.chip{display:inline-block;padding:1px 7px;border-radius:6px;font-size:11.5px;background:#eef2ff;color:var(--primary);font-weight:600;white-space:nowrap}
.chip.hw{background:#eaf7ef;color:#1d7a46}
label.lbl{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 5px;font-weight:600}
.att-alert{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff4cc;border:2px solid #f2c94c;color:#6b4e00;border-radius:10px;padding:11px 14px;margin-bottom:12px;font-size:14px}
.att-alert b{font-size:16px}
.att-alert.done{background:#e9f7ef;border-color:#9fd9b4;color:#1d6b40}
.att-alert button{margin-left:auto}
.sess-items{display:flex;flex-direction:column;gap:8px;padding:12px 16px}
.sess-items .si{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.sess-items .stats{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.stat{background:#f4f6f9;border-radius:6px;padding:2px 8px;font-size:12.5px;color:#4b5563}
a.go{cursor:pointer;color:inherit}
a.go:hover b{text-decoration:underline}
table.sess{font-size:13.5px;border-collapse:separate;border-spacing:0;min-width:100%}
table.sess th{position:sticky;top:0;background:#fafbfc;z-index:2;font-size:12.5px;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
table.sess td{padding:6px 10px;border-bottom:1px solid #f0f2f5;white-space:nowrap;vertical-align:middle}
table.sess .nm{position:sticky;left:0;background:#fff;z-index:1;min-width:110px}
table.sess th.nm{z-index:3;background:#fafbfc}
table.sess tr.missing td{background:#fff8d9}
table.sess tr.missing td.nm{background:#fff3c2;box-shadow:inset 4px 0 0 #f2b705}
table.sess tr.abs td.it{opacity:.5}
table.sess tr.cls td{background:#f1f4fa;font-weight:700;color:#374151;font-size:12.5px;padding:5px 10px}
table.sess td.it .pend{color:#b45309;font-size:12px;background:#fdf3e1;border-radius:5px;padding:1px 6px}
table.sess td.nt{min-width:200px;width:100%}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:none;border-right:1px solid var(--line);border-radius:0;background:#fff;padding:5px 9px;font-size:12.5px;color:#4b5563;cursor:pointer}
.seg button:last-child{border-right:none}
.seg button:hover{background:#f3f5fa}
.seg.sm button{padding:5px 8px;min-width:30px}
.seg button.on{background:var(--primary);color:#fff;font-weight:700}
.seg button.att.late.on{background:#d97706}
.seg button.att.absent.on,.seg button.att.nocontact.on{background:var(--danger)}
.seg button.att.video.on{background:#1f6fb2}
.seg button.od.no.on{background:#6b7280}
input.note{width:100%;padding:5px 8px;font-size:13px;border:1px solid var(--line);border-radius:7px}
input.note.has{background:#fff1f1;border-color:#f3a5a5;color:#9b1c1c;font-weight:600}
.grid td.att .lock{font-size:12.5px;color:#4b5563}
.grid td.att .lock.absent,.grid td.att .lock.nocontact{color:var(--danger);font-weight:600}
.grid td.att .lock.miss{color:#b45309;background:#fdf3e1;border-radius:5px;padding:1px 6px}

.grid th.sep,.grid td.sep{border-right:2px solid #c9d1de}
.grid td.att .lock.none{color:#9aa3b2;font-size:12px}
.notice .uncov button{margin-left:6px;vertical-align:middle}
.subj{display:inline-block;padding:1px 7px;margin-right:6px;border-radius:6px;font-size:11.5px;background:#f3ecff;color:#6d3fc0;font-weight:700;vertical-align:middle;white-space:nowrap}
h1 .subj{font-size:14px;padding:2px 9px;vertical-align:3px}
.nag{background:#eef4ff;border-bottom:1px solid #c9d8f5;font-size:13.5px;color:#1e3a6e}
.nag .in{max-width:1180px;margin:0 auto;padding:9px 20px;display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.ntw{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.ntw input.note{flex:1;min-width:140px;width:auto}
.ntw .npick{padding:3px 9px;font-size:14px;line-height:1;border-radius:7px}
.nchip{display:inline-block;background:#fde2e2;color:#9b1c1c;border:1px solid #f3a5a5;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.nchip:hover{background:#fbcaca}
.npop{position:absolute;z-index:50;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(20,30,50,.16);padding:6px;display:flex;flex-direction:column;min-width:190px}
.npop button{border:none;background:none;text-align:left;padding:7px 10px;border-radius:6px;font-size:13.5px;cursor:pointer;color:var(--text)}
.npop button:hover{background:#f3f5fa}
.npop button.on{color:#9b1c1c;font-weight:700;background:#fff1f1}
.alerts{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.alerts .att-alert{flex:1;min-width:300px;margin-bottom:0}
.att-alert.od{background:#fff0e0;border-color:#f0a35a;color:#7a3e00}
table.sess td.odmiss{background:#fff3c2}
table.sess td.odmiss .seg{border-color:#f2b705;box-shadow:0 0 0 2px #fde68a}
.vk{display:inline-block;padding:1px 7px;border-radius:6px;font-size:11.5px;font-weight:700;background:#e8f1ff;color:#1d4ed8;white-space:nowrap}
.vk.adv{background:#fff0e0;color:#b45309}
.vk.sm{padding:0 6px;font-size:12px}
select.clin{font-size:12px;padding:2px 6px;color:var(--muted)}
select.clin.required{color:#b91c1c;font-weight:700}
select.clin.exclude{color:#6b7280;text-decoration:line-through}
table.clinic{font-size:13px}
table.clinic th,table.clinic td{padding:6px 8px;border-bottom:1px solid #f0f2f5;text-align:left;vertical-align:middle}
table.clinic th{position:sticky;top:0;background:#fafbfc;font-size:12px;color:var(--muted)}
table.clinic tr.dim td{color:#9aa3b2}
table.clinic select.mode{padding:3px 6px;font-size:12.5px}
.grid td .pend{color:#b45309;font-size:11.5px;background:#fdf3e1;border-radius:5px;padding:1px 6px;font-weight:500}
.subtabs{display:flex;gap:6px;margin-bottom:12px}
.subtabs a{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:600;font-size:13px;cursor:pointer}
.subtabs a.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.seg button.day.we{color:#b45309}
.seg button.day.on{background:var(--primary);color:#fff}
.seg button.day:disabled{opacity:.35;cursor:default}
.seg button.md.none.on{background:#6b7280}
.seg button.md.home.on{background:#1f6fb2}
input.tm{font-family:monospace}
.gcells{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px}
.gcell{border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px 4px;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;font-size:11.5px;color:var(--muted)}
.gcell b{font-size:16px;color:var(--text)}
.gcell .ans{font-size:12px;color:#4b5563}
.gcell:hover{background:#f3f5fa}
.gcell.x{background:#ffe1e1;border-color:#f3a5a5}
.gcell.x b{color:var(--danger)}
.badge.bad{background:#fde2e2;color:#b91c1c}
button.dim{opacity:.55}
/* 문항 정답률·난도 */
.problem{flex-wrap:wrap}
.problem .pstat{flex-basis:100%;order:3;display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-top:6px;border-top:1px dashed var(--line);font-size:12px}
.pstat .pr{width:70px;height:6px;background:#eef0f3;border-radius:3px;overflow:hidden;display:inline-block}
.pstat .pr i{display:block;height:100%;background:var(--primary)}
.lv{display:inline-block;padding:1px 7px;border-radius:10px;font-size:11.5px;background:#f1f3f6;color:var(--muted);white-space:nowrap}
.lv1{background:#e6f6ed;color:#1f7a45}.lv2{background:#eef7e6;color:#4d7a1f}.lv3{background:#fdf6e1;color:#8a6a0f}.lv4{background:#fdebe1;color:#b4531a}.lv5{background:#fbe3e3;color:#b42323}
.problem.flash{box-shadow:0 0 0 2px var(--primary)}
.jump{font-weight:600}
/* 수업 마무리 */
.wu-sec{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px}
.wu-sec .lbl{font-weight:600;margin-bottom:6px;color:var(--text)}
.wu-sec label{color:var(--text);font-size:13.5px;margin:4px 0}
.wu-l{font-size:13px;padding:3px 0}
.wu-l b{display:inline-block;width:16px}
.wu-l.ok b{color:var(--ok)}.wu-l.bad{color:#92400e}.wu-l.bad b{color:var(--warn)}.wu-l.warn b{color:var(--warn)}
.gcell.q{outline:2px dashed var(--warn)}
.gcell .sa{display:block;font-size:11px;color:var(--primary);margin-top:2px}
.presence{max-width:1140px;margin:12px auto -10px;padding:8px 14px;background:#fff7e6;border:1px solid #f3d9a4;color:#7a4b00;border-radius:8px;font-size:13px}
/* 실시간 함께 입력 */
.collab-bar{max-width:1140px;margin:12px auto -10px;padding:7px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:13px;color:#4b5563;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.collab-bar.off{background:#fff7e6;border-color:#f3d9a4;color:#7a4b00}
.collab-bar .avs{display:inline-flex}
.collab-bar .av{width:26px;height:26px;border-radius:50%;color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;border:2px solid #fff;margin-left:-7px}
.collab-bar .av:first-child{margin-left:0}
.rcur{position:absolute;left:0;top:0;z-index:60;pointer-events:none;will-change:transform}
.rcur span{position:absolute;left:13px;top:16px;white-space:nowrap;color:#fff;font-size:11.5px;font-weight:600;padding:1px 7px;border-radius:9px}
.cfocus{box-shadow:inset 0 0 0 2px var(--cf) !important;position:relative}
.cftag{position:absolute;top:0;left:4px;transform:translateY(-55%);font-size:10px;line-height:14px;padding:0 5px;border-radius:4px;color:#fff;white-space:nowrap;z-index:5;pointer-events:none;font-weight:600}
@keyframes rflash{0%{background:color-mix(in srgb,var(--rf) 28%,#fff)}100%{background:transparent}}
.rflash{animation:rflash 1.8s ease-out}
.autosave{font-size:12.5px;padding:4px 10px;border-radius:999px;white-space:nowrap;align-self:center}
.autosave.ok{color:#1f7a45;background:#e9f7ef}.autosave.ok::before{content:'● '}
.autosave.busy{color:#5b6472;background:#f1f3f6}
.autosave.bad{color:#b42323;background:#fdecec}
.hw-wrap{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-start}
.hw-wrap>.hw-main{flex:999 1 700px;min-width:0;margin-bottom:0}
.hw-wrap>.feed{flex:1 1 230px;max-height:640px;overflow:auto;margin-bottom:0}
.feed-h{display:flex;flex-direction:column;gap:2px;margin-bottom:6px}
.feed .fi{display:flex;gap:8px;padding:7px 0;border-top:1px solid #f0f2f5;font-size:13px}
.feed .dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex:none}
.feed .ft{flex:1;min-width:0;word-break:keep-all}
.feed .undo{cursor:pointer}
.cf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cf-opt{border:2px solid var(--line);border-radius:10px;padding:10px 12px}
.cf-opt .who{font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.cf-opt .val{font-size:15px}
.cf-opt.theirs{border-color:#0f766e;background:#f0faf8}.cf-opt.mine{border-color:#c2410c;background:#fff7f2}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.shake{animation:shake .25s ease-in-out 2}
td.compc .pend,td.score .pend{white-space:nowrap}
/* OMR 채점 */
.omr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}
.omr-grid.wide{grid-template-columns:repeat(auto-fill,minmax(440px,1fr))}
.omr-card{border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:8px;background:#fff}
.omr-card.done{background:#f8faf9;border-color:#cfe6d8}
.omr-card .row{gap:6px;flex-wrap:wrap}
.omr-card select{flex:1;min-width:140px}
.omr-img{width:100%;border:1px solid #eef0f3;border-radius:6px;cursor:zoom-in;background:#fafafa}
.omr-full{width:100%;margin-bottom:8px;border:1px solid var(--line)}
.sfix.on-o{background:#1f9d55;color:#fff;border-color:#1f9d55}.sfix.on-x{background:#d93b3b;color:#fff;border-color:#d93b3b}
.key{color:var(--primary)}
.omr-alert{border-radius:12px;padding:14px 16px;margin:10px 0;border:2px solid}
.omr-alert .t{font-size:15px}
.omr-alert.todo{background:#fff4e6;border-color:#f59f00}
.omr-alert.todo .t b{color:#9a4a05}
.omr-alert .left{display:flex;gap:14px;flex-wrap:wrap;margin:8px 0;font-size:13.5px}
.omr-alert .left b{color:#c2410c;font-size:15px}
.omr-alert .progress{background:#fde7c4}.omr-alert .progress .bar{background:#f59f00}
.omr-alert.ready{background:#e9f7ef;border-color:#1f9d55;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.omr-alert.ready .t b{color:#1f7a45}
.omr-alert.done{background:#f1f8f4;border-color:#b7e2c7;padding:10px 14px}
button.big{font-size:15px;padding:10px 20px}

/* 변경 기록 (영구) */
.feed .fday{font-size:11.5px;font-weight:700;color:var(--muted,#6b7280);padding:8px 0 2px;border-top:1px solid #e3e6ea;margin-top:4px}
.feed .fday:first-of-type{border-top:0;margin-top:0}
.feed .ffil{display:flex;gap:6px;margin:4px 0 6px}
.feed .ffil select{flex:1;min-width:0;padding:3px 6px;font-size:12.5px}
.feed .fstu{cursor:pointer;color:inherit;text-decoration:underline dotted #9aa3af}
.feed .badge.src{font-size:10.5px;padding:0 5px;vertical-align:1px}
.sess-feed{max-height:420px;overflow:auto}
.csum td,.csum th{padding:6px 10px}
.csum tr.on{background:#eef3ff}
.csum .pu{cursor:pointer;color:inherit}
.csum .dot,.clog .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px}
.clog tr.dayrow td{background:#f8f9fb;font-weight:700;font-size:12.5px;padding:6px 12px}
.clog td{vertical-align:top}
.sess-feed .ffil{max-width:460px}
/* 성적표 정답 줄 · OMR 답 대조 */
.grid tr.sub.ans th{top:var(--t);height:24px;background:#f2f6ff;color:#1d4ed8;font-weight:700;font-size:12.5px;border-bottom:2px solid #c7d6fb}
.grid tr.sub.ans th.name{color:#1d4ed8}
.grid td.cell.om{font-size:13px}
.grid td.cell.om .omok{color:#94a3b8;font-weight:500}
.grid td.cell.omdiff{box-shadow:inset 0 0 0 2px #f59e0b}
button.sm.on{background:#eef3ff;border-color:#9db5f5;color:#1d4ed8}
/* OMR 빠른 채점 */
.modal.qk-modal{max-width:880px}
.qk-top{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:4px}
.qk-q{font-size:18px}
.qk-q.new b{background:#fff3c4;padding:0 6px;border-radius:6px}
.qk-key{font-size:18px}
.qk-key b{font-size:26px;color:#1d4ed8;background:#eef3ff;padding:2px 12px;border-radius:8px;margin-left:4px}
.qk-who{margin-bottom:8px;color:var(--muted)}
.qk-imgw{background:#f8f9fb;border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;margin-bottom:12px}
.qk-img{max-width:100%;max-height:340px;min-height:120px;image-rendering:auto}
.qk-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:12px}
.qk-btns button{font-size:17px;padding:12px 26px;min-width:150px}
.qk-btns .qk-o.on,.qk-btns .qk-o:hover{background:#e8f7ee;border-color:#1f7a45;color:#1f7a45}
.qk-btns .qk-x.on,.qk-btns .qk-x:hover{background:#fdecec;border-color:var(--danger);color:var(--danger)}
.qk-btns .qk-pts{width:140px;font-size:20px;text-align:center}
.qk-nav{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.qk-modal kbd{font:11px/1 monospace;background:#f1f3f6;border:1px solid #d6dae1;border-bottom-width:2px;border-radius:4px;padding:2px 5px;margin-left:4px;color:#475569}
.qk-end{text-align:center;padding:30px 0}
.qk-end .big{font-size:22px;font-weight:700;margin-bottom:6px}
/* 교정 메모 · 실수 신호 */
.cnote{margin-top:4px;background:#fff8e6;border:1px solid #f4dfa6;border-radius:6px;padding:4px 7px;font-size:12px;line-height:1.45}
.cnote .ndel{cursor:pointer;color:#b45309;margin-left:2px}
.nag.notes{background:#fff8e6;border-bottom-color:#f4dfa6}
.mn{border:1px solid #f4dfa6;background:#fffbf0;border-radius:8px;padding:8px 10px;margin-bottom:8px}
.mn.old{background:#fafbfc;border-color:var(--line);opacity:.8}
.mn .mntext{margin-top:6px;font-size:14px}
.sigcard{border-color:#f4c98a;background:#fffaf2}
.sig{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid #f3e3c6;flex-wrap:wrap}
.sig:first-of-type{border-top:0}
.badge.danger{background:#fde8e8;color:var(--danger)}
tr.flash td{background:#fff3c4 !important;transition:background .3s}
.clog .rnote{white-space:nowrap}
.clog td:last-child{width:64px;text-align:right;padding-right:12px}