:root{
  --bg:#eef1f6; --card:#ffffff; --line:#e3e8f0;
  --ink:#1f2937; --ink2:#6b7280; --ink3:#9ca3af;
  --pri:#3b5bdb; --pri-d:#2f4db5; --pri-l:#eef1fe;
  --ok:#0ca678; --warn:#f59f00; --bad:#e03131; --info:#1971c2;
  --side-bg:#1b2340; --side-ink:#c8d0e0; --side-hi:#ffffff;
  --radius:12px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 6px 20px rgba(15,23,42,.05);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",Roboto,sans-serif;
}
.hidden{display:none!important}
a{color:var(--pri);text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#c6ceda;border-radius:8px}

/* ---------- 布局 ---------- */
#appShell{display:flex;height:100vh}
.side{
  width:208px;flex:0 0 208px;background:var(--side-bg);color:var(--side-ink);
  display:flex;flex-direction:column;padding:14px 10px 12px;
}
.side-brand{display:flex;align-items:center;gap:9px;padding:6px 10px 16px;color:#fff}
.brand-ico{font-size:22px}
.brand-name{font-weight:700;font-size:15px;letter-spacing:.5px}
.side-nav{flex:1;display:flex;flex-direction:column;gap:2px;overflow:auto}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:9px;
  color:var(--side-ink);background:none;border:none;text-align:left;font-size:14px;
}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.on{background:var(--pri);color:#fff;box-shadow:0 2px 10px rgba(59,91,219,.35)}
.nav-ico{width:20px;text-align:center;font-size:15px}
.side-foot{border-top:1px solid rgba(255,255,255,.09);padding-top:10px;display:flex;flex-direction:column;gap:8px}
.side-class{font-size:13px;color:#9aa7c4;padding:0 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn-ghost-light{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#dfe6f5;border-radius:8px;padding:5px 10px;font-size:12.5px}
.btn-ghost-light:hover{background:rgba(255,255,255,.13)}

.body{flex:1;min-width:0;display:flex;flex-direction:column}
.top{
  background:#fff;border-bottom:1px solid var(--line);padding:12px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.page-title{margin:0;font-size:18px;color:#111827}
.page-sub{font-size:12.5px;color:var(--ink3);margin-top:1px}
.top-right{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink2);white-space:nowrap}
.view{padding:18px 22px 40px;overflow:auto;flex:1}

/* ---------- 卡片/通用 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:16px}
.card + .card{margin-top:14px}
.card-title{font-size:15px;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.card-title small{font-weight:400;color:var(--ink3);font-size:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.gap8{gap:8px}
.spread{justify-content:space-between}
.btn{
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:6px 13px;border-radius:9px;font-size:13.5px;transition:.15s;
}
.btn:hover{border-color:#c9d2e0;background:#f8fafc}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.pri:hover{background:var(--pri-d)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.danger{color:var(--bad);border-color:#f3c6c6}
.btn.danger:hover{background:#fef2f2}
.btn.warn{color:#b45309;border-color:#f0d9a8;background:#fffbeb}
.btn.mini{padding:2px 9px;font-size:12.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.inp,.sel,.txta{
  border:1px solid #d4dbe6;border-radius:9px;padding:6px 10px;background:#fff;outline:none;
}
.inp:focus,.sel:focus,.txta:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(59,91,219,.12)}
.inp{width:200px}
.inp.block,.sel.block,.txta.block{width:100%}
.lbl{display:block;font-size:12.5px;color:var(--ink2);margin:10px 0 4px}
.lbl:first-child{margin-top:0}

.table-wrap{overflow:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{position:sticky;top:0;background:#f7f9fc;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}
.tbl td{padding:7px 10px;border-bottom:1px solid #eef1f6;white-space:nowrap;vertical-align:middle}
.tbl tbody tr:hover{background:#f8fafd}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}

.tag{display:inline-block;padding:0 8px;border-radius:20px;font-size:12px;line-height:20px}
.tag.男{background:#e7f0fd;color:#1c64c0}
.tag.女{background:#fdeef4;color:#cc4499}
.gender{width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff}
.gender.m{background:#4d8ae0}
.gender.f{background:#e07bb4}
.tag.出勤{background:#e6f7f0;color:#0c9a67}
.tag.迟到{background:#fff3d6;color:#c07f00}
.tag.早退{background:#fdeee3;color:#d96b1f}
.tag.请假{background:#e8f1fb;color:#2c7cc2}
.tag.缺勤{background:#fdeaea;color:#d33}
.tag.off{background:#f1f3f7;color:#9aa3b2}
.muted{color:var(--ink3)}
.small{font-size:12px}
.empty{padding:34px 10px;text-align:center;color:var(--ink3)}
.empty .big{font-size:30px;display:block;margin-bottom:8px}

/* 统计小卡 */
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;box-shadow:var(--shadow)}
.stat .k{font-size:12.5px;color:var(--ink2)}
.stat .v{font-size:22px;font-weight:800;margin-top:2px}
.stat .v small{font-size:12px;font-weight:400;color:var(--ink3)}
.stat .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}

/* 仪表盘 */
.dash-grid{display:grid;grid-template-columns:2fr 3fr;gap:14px;align-items:start}
@media(max-width:1200px){.dash-grid{grid-template-columns:1fr}}
.kv{display:flex;justify-content:space-between;padding:7px 2px;border-bottom:1px dashed #edf0f5;font-size:13.5px}
.kv:last-child{border-bottom:none}
.quick{display:flex;gap:8px;flex-wrap:wrap}
.quick .btn{font-size:13px}

/* 条形图（div 版） */
.bars{display:flex;gap:14px;height:178px;align-items:stretch;padding:0 4px}
.bar-col{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px}
.bar-fill{width:100%;max-width:40px;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,#5c7cfa,#3b5bdb);transition:height .4s;flex:0 0 auto}
.bar-val{font-size:11.5px;color:var(--ink2);white-space:nowrap;flex:0 0 auto}
.bar-lb{font-size:11.5px;color:var(--ink2);white-space:nowrap;flex:0 0 auto;max-width:100%;overflow:hidden;text-overflow:ellipsis}

/* ---------- 登录 ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 20% -10%,#39498f 0%,#1b2340 45%,#10152a 100%)}
.auth-card{background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.35);padding:34px 38px;width:360px;text-align:center}
.auth-logo{font-size:44px}
.auth-title{margin:8px 0 4px;font-size:20px}
.auth-sub{color:var(--ink3);font-size:12.5px;margin-bottom:6px}
.auth-card .btn{width:100%;margin-top:12px}
.auth-card .inp.block{text-align:center}
.auth-card .lbl{text-align:left}

/* ---------- 弹窗 / 吐司 ---------- */
#toastWrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:400;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#232a3f;color:#fff;padding:9px 20px;border-radius:30px;font-size:13.5px;box-shadow:0 6px 24px rgba(0,0,0,.25);animation:pop .18s}
.toast.err{background:#b3261e}
.toast.ok{background:#158a5f}
@keyframes pop{from{transform:translateY(-8px);opacity:0}}
#modalRoot{position:fixed;inset:0;z-index:300;display:none}
#modalRoot.show{display:block}
.mask{position:absolute;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:60px 14px 30px}
.dialog{background:#fff;border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.3);width:560px;max-width:96vw;max-height:calc(100vh - 130px);display:flex;flex-direction:column}
.dialog.sm{width:400px}
.dialog.lg{width:880px}
.dialog-head{padding:14px 20px;font-weight:700;font-size:15.5px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.dialog-body{padding:16px 20px;overflow:auto}
.dialog-foot{padding:12px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.dlg-x{background:none;border:none;font-size:20px;color:var(--ink3);line-height:1;padding:2px 6px}
.dlg-x:hover{color:#111}
.radio-line{display:flex;gap:16px;margin:6px 0}
.radio-line label{display:flex;gap:6px;align-items:center;cursor:pointer;font-size:13.5px}
.warn-box{background:#fff7e6;border:1px solid #f5dfa8;color:#8a5a00;border-radius:9px;padding:8px 12px;font-size:12.5px;margin-top:10px}

/* ---------- 座位表 ---------- */
.seats-scroll{overflow:auto;padding-bottom:8px}
.seats-stage{display:inline-block;background:linear-gradient(180deg,#fbfcfe,#f4f7fc);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.podium{background:linear-gradient(180deg,#5b6ee1,#4255c4);color:#fff;border-radius:10px;text-align:center;padding:7px 0;font-size:13px;margin-bottom:12px;letter-spacing:6px}
.seats-body{display:flex;gap:6px}
.seats-side{display:flex;flex-direction:column;gap:6px;padding-right:2px;padding-top:18px}
.seats-side .rno{height:76px;display:flex;align-items:center;font-size:11px;color:var(--ink3)}
.seat-grid{display:flex;flex-direction:column;gap:6px}
.seat-row{display:flex;gap:6px}
.seat{
  width:78px;height:76px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;cursor:pointer;
  transition:.12s;position:relative;flex:0 0 78px;
}
.seat:hover{border-color:#aebbe4;box-shadow:0 3px 10px rgba(59,91,219,.12)}
.seat.empty{border-style:dashed;background:#fbfcfe;cursor:default}
.seat.empty:hover{border-color:#d5dbe6;box-shadow:none}
.seat.on{border-color:var(--pri);box-shadow:0 0 0 3px rgba(59,91,219,.25);transform:scale(1.03)}
.seat .nm{font-size:13.5px;font-weight:600;line-height:1.25;text-align:center;padding:0 3px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seat .no{font-size:10.5px;color:var(--ink3)}
.seat .gd{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%}
.seat .gd.m{background:#4d8ae0}
.seat .gd.f{background:#e07bb4}
.seat .gd.u{background:#cdd5e0}
.seat.inactive{opacity:.45}
.seat-head-row{display:flex;gap:6px;margin-bottom:6px}
.seat-head-row .colno{width:78px;text-align:center;font-size:11px;color:var(--ink3);flex:0 0 78px}
.unseat-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.unseat-list .chip{border:1px solid #e4c9c9;background:#fdf6f6;color:#a04141;border-radius:14px;padding:1px 10px;font-size:12px}

/* ---------- 值日 ---------- */
.duty-table .tbl th,.duty-table .tbl td{text-align:center;white-space:normal;min-width:110px;vertical-align:middle}
.duty-table .tbl td select{width:110px}
.duty-table .tbl th:first-child,.duty-table .tbl td:first-child{min-width:0;font-weight:600;background:#fbfcff;position:sticky;left:0;text-align:left}
.wk-nav{display:flex;align-items:center;gap:8px}
.wk-nav .inp{width:170px;text-align:center}
.legend{font-size:12px;color:var(--ink3);margin-top:8px}

/* ---------- 小组 ---------- */
.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px}
.group-card{border-top:4px solid var(--gc,#6366f1)}
.group-card .ghead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.group-card .gname{font-weight:700;font-size:15px}
.group-card .gcnt{color:var(--ink3);font-size:12px}
.member-row{display:flex;align-items:center;gap:8px;padding:4px 2px;border-bottom:1px dashed #eef1f6}
.member-row select{margin-left:auto;width:100px}
.unassign-box{border:1.5px dashed #e3c9c9}

/* ---------- 考试 ---------- */
.exam-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;cursor:pointer}
.exam-row:hover{border-color:#b9c6ea;box-shadow:var(--shadow)}
.score-inp{width:74px;padding:3px 6px;border:1px solid #e0e5ee;border-radius:7px;text-align:center}
.score-inp:focus{border-color:var(--pri)}
td.calc{color:var(--ink2)}
.subj-chip{background:var(--pri-l);color:var(--pri-d);border-radius:8px;padding:2px 9px;font-size:12px}
.seg{display:inline-flex;background:#eef1f6;border-radius:10px;padding:3px}
.seg button{border:none;background:none;padding:5px 16px;border-radius:8px;font-size:13px;color:var(--ink2)}
.seg button.on{background:#fff;color:var(--pri);font-weight:600;box-shadow:0 1px 4px rgba(15,23,42,.12)}
.rank-badge{display:inline-flex;min-width:26px;height:26px;border-radius:8px;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;background:#eef1f6}
.rank-badge.r1{background:#ffe9a8;color:#8a5f00}
.rank-badge.r2{background:#e8eef7;color:#33475f}
.rank-badge.r3{background:#fbe0d3;color:#8c4a1e}
.segbar-row{display:flex;align-items:center;gap:8px;margin:3px 0;font-size:12.5px}
.segbar{flex:1;height:16px;background:#f0f3f9;border-radius:8px;overflow:hidden}
.segbar i{display:block;height:100%;border-radius:8px}

/* ---------- 出勤 ---------- */
.att-row{display:grid;grid-template-columns:120px 150px 1fr auto;gap:10px;align-items:center;padding:6px 4px;border-bottom:1px dashed #eef1f6}
.att-sel{width:150px}
.att-note{width:100%}
.att-day-mark{display:flex;flex-wrap:wrap;gap:4px;max-width:220px}
.att-day-mark .m{width:13px;height:13px;border-radius:4px;font-size:0}
.mk-出勤{background:#8bd8b4}
.mk-迟到{background:#f7c45c}
.mk-早退{background:#f4a06a}
.mk-请假{background:#7bb3e8}
.mk-缺勤{background:#ee8686}

/* 设置 */
.form-line{display:flex;align-items:center;gap:10px;margin:8px 0;flex-wrap:wrap}
.form-line .lbl2{width:130px;flex:0 0 130px;color:var(--ink2);font-size:13px}
.subject-row{display:flex;gap:8px;align-items:center;margin:5px 0}
.subject-row .inp{width:130px}
.subject-row .full{width:90px}
.subject-row select{width:110px}

@media(max-width:1100px){ .side{width:64px;flex-basis:64px} .side-brand .brand-name,.side-foot,.nav-item span:last-child{display:none} .nav-item{justify-content:center} }