:root{
  --bg:#F2F6FB; --card:#FFFFFF; --line:#DCE5F0; --text:#16212E; --muted:#64748B;
  --blue:#0070C0; --blue-d:#00518C; --lblue:#2E8FD6; --teal:#17A2A2;
  --green:#2E9E5B; --amber:#E8951B; --coral:#E0654D; --purple:#7B5BC9;
  --radius:14px; --shadow:0 1px 3px rgba(22,33,46,.06),0 8px 24px rgba(22,33,46,.05);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:14px/1.65 "Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,sans-serif}
a{color:var(--blue);text-decoration:none}
h1,h2,h3{margin:0;font-weight:600}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶部栏 */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{font-weight:600;font-size:15px;display:flex;align-items:center;gap:9px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--blue);flex:none}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{padding:7px 13px;border-radius:8px;color:var(--muted);font-size:13px}
.nav a:hover{background:#EEF4FB;color:var(--blue)}
.nav a.on{background:var(--blue);color:#fff}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);margin-bottom:18px}
.card>h2{font-size:15px;margin-bottom:4px}
.card>.sub{color:var(--muted);font-size:12.5px;margin-bottom:14px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.g6{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}

/* 指标 */
.metric{background:#F7FAFD;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.metric .k{font-size:12.5px;color:var(--muted)}
.metric .v{font-size:26px;font-weight:600;line-height:1.25;letter-spacing:-.5px}
.metric .u{font-size:12px;color:var(--muted);margin-left:3px;font-weight:400}
.metric.blue .v{color:var(--blue)} .metric.teal .v{color:var(--teal)}
.metric.green .v{color:var(--green)} .metric.amber .v{color:var(--amber)}
.metric.purple .v{color:var(--purple)} .metric.coral .v{color:var(--coral)}

/* 表单 */
label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px}
input[type=text],input[type=date],input[type=password],input[type=number],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;
  font:inherit;font-size:13.5px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid #BBD9F2;border-color:var(--lblue)}
textarea{resize:vertical;font-family:inherit;line-height:1.7}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:9px;
  border:1px solid var(--blue);background:var(--blue);color:#fff;font:inherit;font-size:13.5px;
  cursor:pointer;font-weight:500}
.btn:hover{background:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--blue)}
.btn.ghost:hover{background:#EEF4FB}
.btn.danger{background:var(--coral);border-color:var(--coral)}
.btn.danger:hover{background:#C94C34}
.btn.sm{padding:5px 12px;font-size:12.5px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>div{flex:1;min-width:130px}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#EEF4FB;font-size:12.5px;color:#33475F;font-weight:600;white-space:nowrap}
tbody tr:hover{background:#F7FAFD}
td.num,th.num{text-align:center;font-variant-numeric:tabular-nums}
.scroll{overflow:auto;max-height:calc(100vh - 170px);border:1px solid var(--line);border-radius:10px}
/* 表头固定：表格内滚动时列名一直贴在顶部，随时知道这一列是什么数据 */
.scroll>table thead th{position:sticky;top:0;z-index:4;background:#EEF4FB;
  box-shadow:inset 0 -1px 0 var(--line)}
.scroll>table>thead>tr:first-child>th:first-child{border-top-left-radius:9px}
.scroll>table>thead>tr:first-child>th:last-child{border-top-right-radius:9px}
.tag{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;line-height:19px}
.tag.ok{background:#E7F4EC;color:var(--green)}
.tag.late{background:#FDF1DF;color:#A96A08}
.tag.warn{background:#FCE9E6;color:#B33E28}
.tag.info{background:#E7F1FA;color:var(--blue)}
.tag.mute{background:#EEF1F5;color:var(--muted)}

/* 条形图 */
.bar{height:7px;border-radius:4px;background:#E8EEF6;overflow:hidden;min-width:60px}
.bar>i{display:block;height:100%;border-radius:4px;background:var(--lblue)}
.bar.hi>i{background:var(--green)} .bar.lo>i{background:var(--coral)}

/* 投影页 */
.proj{display:grid;grid-template-columns:minmax(340px,420px) 1fr;gap:20px;align-items:start}
.qrbox{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow);text-align:center}
.qrbox img{width:100%;max-width:360px;display:block;margin:6px auto 10px}
.qr-head{font-size:17px;font-weight:600}
.qr-sub{color:var(--muted);font-size:13px;margin-top:2px}
.countdown{font-size:13px;color:var(--muted);margin-top:6px}
.countdown b{color:var(--blue);font-variant-numeric:tabular-nums}
.live{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden}
.live .hd{display:flex;align-items:center;gap:10px;padding:13px 18px;background:#EEF4FB;
  border-bottom:1px solid var(--line);font-weight:600;font-size:14px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);animation:p 1.6s infinite}
@keyframes p{0%,100%{opacity:1}50%{opacity:.25}}
.live .bd{padding:16px 18px}
.namelist{max-height:230px;overflow:auto;display:flex;flex-wrap:wrap;gap:6px;
  padding:10px;background:#F7FAFD;border-radius:10px}
.chip{background:#fff;border:1px solid var(--line);border-radius:7px;padding:3px 9px;font-size:12.5px}
.chip.absent{background:#FDF7F5;border-color:#F3D6CE;color:#B33E28}

/* 未扫码学生：未处理 / 请假 / 旷课 三类分组，分色显示 */
.markhd{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:16px 0 10px}
.markhd .mh-t{font-size:13px;font-weight:600}
.markhd .lg{display:flex;gap:12px;flex-wrap:wrap;margin-left:auto;font-size:12px;color:var(--muted)}
.lg-i{display:inline-flex;align-items:center;gap:5px}
.lg-i b{color:var(--text);font-variant-numeric:tabular-nums}
.sw{width:10px;height:10px;border-radius:3px;border:1px solid var(--line);background:#fff;display:inline-block}
.sw.ok{background:#E7F4EC;border-color:#9CD3B4}
.sw.wait{background:#EEF1F5;border-color:#C7D0DC;border-style:dashed}
.sw.lv{background:#FDF1DF;border-color:#F0CE95}
.sw.cut{background:#FCE9E6;border-color:#F0B4A6}
.c-coral{color:var(--coral)}
.tag.wait{background:#EEF1F5;color:var(--muted);border:1px dashed #C7D0DC}

.grp{margin-top:14px}
.grp-h{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px;
  flex-wrap:wrap;margin-bottom:7px}
.grp-h .n-x{color:var(--text);font-weight:600}
.grp-h .hint{font-weight:400}

/* 三栏名单：出勤 / 请假 / 旷课 —— 每个角色登录后第一眼要看的东西 */
.roster{background:#F7FAFD;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.roster.att{border-top:3px solid var(--green)}
.roster.lv{border-top:3px solid var(--amber)}
.roster.cut{border-top:3px solid var(--coral)}
.roster h3{font-size:13px;margin:0;display:flex;align-items:center;gap:8px;font-weight:600}
.roster .cnt{font-size:24px;font-weight:600;line-height:1.2;margin-top:2px}
.roster.att .cnt{color:var(--green)}
.roster.lv .cnt{color:var(--amber)}
.roster.cut .cnt{color:var(--coral)}
.roster .names{margin-top:6px;line-height:1.95;max-height:220px;overflow:auto;font-size:12.5px}
.roster .names .empty{color:var(--muted);font-size:12px}
.nmchip{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:14px;
        padding:0 8px;margin:0 4px 4px 0;font-size:12px;color:#334155;white-space:nowrap}
.nmchip b{font-weight:600;color:#1e293b}
details.more{display:inline-block}
details.more>summary{cursor:pointer;color:var(--blue);font-size:12px;list-style:none}
details.more>summary::-webkit-details-marker{display:none}

/* 教师逐周出勤矩阵 */
table.mx th.sticky1,table.mx td.sticky1{position:sticky;left:0;background:#fff;z-index:2;box-shadow:1px 0 0 var(--line)}
table.mx th.sticky2,table.mx td.sticky2{position:sticky;left:86px;background:#fff;z-index:2;box-shadow:1px 0 0 var(--line)}
table.mx thead th.sticky1,table.mx thead th.sticky2{z-index:3;background:#EEF4FB}
table.mx td.rate{font-variant-numeric:tabular-nums}
table.mx td.r-hi{background:#EAF3DE;color:#2F6B1E}
table.mx td.r-mid{background:#FDF1DF;color:#A96A08}
table.mx td.r-lo{background:#FCE9E6;color:#B33E28}
table.mx td.cum{font-weight:600;border-left:2px solid var(--line)}
table.mx tr.noopen td{color:#94a3b8;background:#FBFCFE}
/* 按教师分组：每人第一行加一道横线，一眼看出分了几组 */
table.mx tr.grp-start td{border-top:2px solid #C4D3E4}
table.mx tr.grp-start:first-child td{border-top:none}
/* 签到场次按「天 + 课程」分组：课程标题行通栏浅蓝底；跨天处加深分隔 */
table tr.grp-row td{background:#EEF4FB;color:#33506E;font-weight:600;font-size:12px;
  padding:5px 10px;border-top:2px solid #C4D3E4;letter-spacing:.5px}
table tr.grp-row:first-child td{border-top:none}
table tr.grp-row.day-start td{border-top:3px solid #9FB8D4;background:#E0EBF7}

.chip .mini{display:inline-flex;gap:3px;margin-left:7px;vertical-align:middle}
button.m{border:1px solid var(--line);background:#fff;border-radius:5px;font:inherit;
  font-size:11px;line-height:1;padding:3px 6px;cursor:pointer;color:var(--muted)}
button.m:hover{border-color:var(--blue);color:var(--blue)}
button.m.ok:hover{border-color:var(--green);color:var(--green)}
button.m.lv{color:#A96A08;border-color:#F0CE95}
button.m.lv:hover{background:#FDF1DF;border-color:var(--amber)}
button.m.cut{color:#B33E28;border-color:#F0B4A6}
button.m.cut:hover{background:#FCE9E6;border-color:var(--coral)}
button.m.x{margin-left:6px;padding:2px 5px;line-height:1}
button.m.x:hover{border-color:var(--coral);color:var(--coral)}

.chip.pending{background:#FBFCFE;border-style:dashed;border-color:#C7D0DC}
.chip.lv{background:#FDF8EF;border-color:#F0CE95}
.chip.cut{background:#FDF1EE;border-color:#F0B4A6}
.namelist.nl-lv{background:#FDFAF4}
.namelist.nl-ct{background:#FDF5F3}
.namelist .none{color:var(--muted);font-size:12px}

/* 学生端 */
.stu{max-width:460px;margin:0 auto;padding:20px 16px 40px}
.stu .head{text-align:center;margin:14px 0 18px}
.stu .head h1{font-size:19px}
.stu .head p{color:var(--muted);font-size:13px;margin:6px 0 0}
.big{font-size:34px;font-weight:600;text-align:center;letter-spacing:2px}
.biginput{font-size:22px;text-align:center;letter-spacing:3px;padding:13px;font-weight:600;
  font-variant-numeric:tabular-nums}
.hit{background:#E7F4EC;border:1px solid #C6E4D3;border-radius:10px;padding:11px 14px;
  margin-top:12px;font-size:13.5px;color:#1F6B41;display:none}
.hit.err{background:#FCEBE8;border-color:#F1C9C0;color:#B33E28}
.result{text-align:center;padding:26px 10px}
.result .mark{width:76px;height:76px;border-radius:50%;margin:0 auto 16px;display:flex;
  align-items:center;justify-content:center;font-size:34px;color:#fff;background:var(--green)}
.result .mark.late{background:var(--amber)} .result .mark.err{background:var(--coral)}
.result h2{font-size:20px;margin-bottom:8px}
.result p{color:var(--muted);font-size:13.5px;margin:4px 0}
.notice{background:#FFF8E9;border:1px solid #F3E0B8;border-radius:10px;padding:11px 14px;
  font-size:12.5px;color:#8A6318;margin-top:14px;line-height:1.7}

.empty{color:var(--muted);font-size:13px;padding:24px;text-align:center}
@media(max-width:820px){.proj{grid-template-columns:1fr}}

/* ================= 五角色门户 ================= */
.rolebadge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:20px;
  background:#E7F1FA;color:#0F5FA6;font-size:12.5px;font-weight:600;margin-right:6px}
.rolebadge b{font-weight:500;color:#33475F}
.rolegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}
.roleitem{display:flex;align-items:center;justify-content:center;gap:6px;padding:9px 8px;
  border:1px solid var(--line);border-radius:9px;background:#FAFCFE;cursor:pointer;
  font-size:13px;color:var(--text);margin:0}
.roleitem:hover{border-color:#BBD9F2;background:#F4F9FE}
.roleitem input{width:auto;margin:0}

.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 18px}
.tab{padding:8px 16px;border:1px solid var(--line);background:#fff;border-radius:9px;
  font:inherit;font-size:13px;color:var(--muted);cursor:pointer}
.tab:hover{border-color:#BBD9F2;color:var(--blue)}
.tab.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:500}
.pane{display:none}
.pane.on{display:block}

td.pct{font-weight:600;color:#0F5FA6}
.rankno{display:inline-block;min-width:22px;text-align:center;color:var(--muted)}

.rankrow{display:flex;align-items:center;gap:10px;padding:5px 0;border-bottom:1px dashed #EDF2F8}
.rankrow:last-child{border-bottom:none}
.rankrow .rk{flex:0 0 22px;text-align:center;font-size:12px;color:var(--muted);font-weight:600}
.rankrow .rk.top3{color:#fff;background:var(--blue);border-radius:11px;line-height:22px;height:22px}
.rankrow .rname{flex:0 0 132px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rankrow .rbar{flex:1;height:9px;border-radius:5px;background:#EDF2F8;overflow:hidden}
.rankrow .rbar>i{display:block;height:100%;border-radius:5px;
  background:linear-gradient(90deg,#2E8FD6,#0070C0)}
.rankrow .rval{flex:0 0 62px;text-align:right;font-size:12.5px;font-variant-numeric:tabular-nums;
  color:#0F5FA6;font-weight:600}