/* ============================================================
   管理后台（独立端）
   ============================================================ */

/* ---------- 后台骨架 ---------- */
.adm-shell{display:flex;min-height:100vh}
.adm-side{
  position:fixed;inset:0 auto 0 0;width:240px;z-index:60;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#0A1828,#08131F);color:#fff;
  border-right:1px solid rgba(255,255,255,.06);
}
.adm-side::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:32px 32px;mask-image:linear-gradient(180deg,#000,transparent 70%);
}
.adm-brand{position:relative;z-index:1;display:flex;align-items:center;gap:10px;padding:18px 18px 16px}
.adm-brand .side-mark{width:34px;height:34px;border-radius:10px}
.adm-brand .side-mark svg{width:18px;height:18px}
.adm-brand b{font-size:13.5px;display:block;line-height:1.3}
.adm-brand span{display:block;font-size:10px;color:rgba(255,255,255,.38);letter-spacing:.09em;margin-top:2px}
.adm-nav{position:relative;z-index:1;flex:1;padding:8px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.adm-nav .side-label{padding:14px 10px 6px}
.adm-nav .nav-item{height:38px;font-size:13px}
.adm-nav .nav-item.active::before{left:-10px}
.adm-side-foot{position:relative;z-index:1;padding:10px;border-top:1px solid rgba(255,255,255,.07)}
.adm-side-foot .side-copy{padding:8px 10px 2px;color:rgba(255,255,255,.3);font-size:10.5px;line-height:1.5}
.adm-user{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;transition:.15s}
.adm-user:hover{background:rgba(255,255,255,.05)}
.adm-avatar{
  width:29px;height:29px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(145deg,#3A78FF,#1249D6);color:#fff;font-size:11.5px;font-weight:700;
}
.adm-user b{font-size:12.5px;display:block;line-height:1.3}
.adm-user span{font-size:10.5px;color:rgba(255,255,255,.35)}
.adm-user .ico{margin-left:auto;width:14px;height:14px;color:rgba(255,255,255,.35)}

.adm-main{flex:1;min-width:0;margin-left:240px;display:flex;flex-direction:column;background:var(--bg)}
.adm-top{
  position:sticky;top:0;z-index:40;height:60px;flex:none;display:flex;align-items:center;gap:14px;
  padding:0 26px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.adm-top h1{font-size:15.5px;letter-spacing:-.01em}
.adm-top .crumb{font-size:11.5px}
.adm-top .spacer{flex:1}
.adm-body{padding:24px 26px 44px;max-width:1440px;width:100%;margin:0 auto;flex:1}
.adm-page{display:none}
.adm-page.active{display:block;animation:pageIn .2s ease}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.kpi{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:19px 20px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.kpi .top{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--text-3);font-weight:600;letter-spacing:.02em}
.kpi .dot-ico{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand-600);margin-left:auto}
.kpi .dot-ico .ico{width:14px;height:14px}
.kpi .val{font-size:31px;font-weight:700;font-family:var(--mono);letter-spacing:-.035em;line-height:1;margin:13px 0 0}
.kpi .val small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:3px;font-family:var(--font)}
.kpi .foot{font-size:11.5px;color:var(--text-3);margin-top:9px;display:flex;align-items:center;gap:5px}
.kpi .foot .up{color:#00795C;font-weight:600}
.kpi .foot .down{color:#B42318;font-weight:600}
.kpi.accent{background:linear-gradient(150deg,#123E6E,#0B1B2D);border-color:transparent;color:#fff;box-shadow:0 18px 40px -26px rgba(8,19,31,.9)}
.kpi.accent .top,.kpi.accent .foot{color:rgba(255,255,255,.5)}
.kpi.accent .dot-ico{background:rgba(255,255,255,.12);color:#8FB6FF}
.kpi.accent .val{color:#fff}
.kpi.accent .val small{color:rgba(255,255,255,.55)}

/* ---------- 两栏 ---------- */
.adm-cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;align-items:start}
.adm-cols.eq{grid-template-columns:repeat(2,minmax(0,1fr))}

/* 条形图 */
.bars{display:flex;flex-direction:column;gap:13px}
.bar-row{display:flex;align-items:center;gap:12px;font-size:12px}
.bar-row .lb{width:96px;flex:none;color:var(--text-2);display:flex;align-items:center;gap:6px}
.bar-row .track{flex:1;height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.bar-row .fill{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2E6BFF,#4C86FF);transition:width .5s ease}
.bar-row .fill.green{background:linear-gradient(90deg,#00B589,#38D9AE)}
.bar-row .fill.amber{background:linear-gradient(90deg,#F79009,#FBBF5B)}
.bar-row .fill.red{background:linear-gradient(90deg,#E5484D,#F57C7F)}
.bar-row .n{width:52px;flex:none;text-align:right;font-family:var(--mono);font-size:11.5px;color:var(--text-2)}

/* 环形指标 */
.ring{display:flex;align-items:center;gap:20px}
.ring svg{width:104px;height:104px;transform:rotate(-90deg)}
.ring .ring-c{position:relative;flex:none}
.ring .ring-txt{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .ring-txt b{font-family:var(--mono);font-size:20px;letter-spacing:-.03em;line-height:1}
.ring .ring-txt span{font-size:10px;color:var(--text-3);display:block;margin-top:2px}
.ring .legend{font-size:12px;color:var(--text-2);line-height:2}
.ring .legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px}

/* 列表行 */
.mini-list{display:flex;flex-direction:column}
.mini-row{display:flex;align-items:center;gap:12px;padding:12px 22px;border-bottom:1px solid var(--line);font-size:12.5px}
.mini-row:last-child{border:0}
.mini-row .avatar{
  width:28px;height:28px;border-radius:8px;flex:none;display:grid;place-items:center;
  background:var(--surface-3);color:var(--text-2);font-size:11px;font-weight:700;
}
.mini-row .body{flex:1;min-width:0}
.mini-row .body b{font-size:12.5px;font-weight:600;display:block;line-height:1.4}
.mini-row .body span{font-size:11px;color:var(--text-3)}
.mini-row .score{font-family:var(--mono);font-weight:700;font-size:13px}

/* ---------- 数据表工具条 ---------- */
.tbl-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px 20px;border-bottom:1px solid var(--line);background:var(--surface)}
.tbl-bar .search{width:230px}
.tbl-bar .search .input{height:35px;font-size:13px}
.tbl-bar .select{height:35px;font-size:13px;width:auto;min-width:112px}
.tbl-bar .spacer{flex:1}
.tbl-bar .cnt{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.tbl-foot{display:flex;align-items:center;gap:10px;padding:11px 20px;border-top:1px solid var(--line);font-size:11.5px;color:var(--text-3);background:var(--surface-2);border-radius:0 0 var(--r-lg) var(--r-lg)}

/* 表格内的删除按钮悬停变红 */
[data-del]:hover,[data-delres]:hover,[data-sdel]:hover{color:var(--danger) !important;border-color:#F3C5C7 !important;background:var(--danger-50) !important}

/* 场次卡片 */
.sess-list{display:flex;flex-direction:column;gap:10px}
.sess-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh-1);transition:.15s}
.sess-card:hover{border-color:#C5D6F2}
.sess-card .top{display:flex;align-items:flex-start;gap:12px}
.sess-card h4{font-size:14px;line-height:1.45}
.sess-card .sub{font-size:11.5px;color:var(--text-3);margin-top:4px}
.sess-card .grid3{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0 0;padding-top:13px;border-top:1px dashed var(--line)}
.sess-card .cell .k{font-size:10.5px;color:var(--text-3);letter-spacing:.02em}
.sess-card .cell .v{font-size:12px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums}
.sess-card .acts{display:flex;gap:6px;margin-left:auto}
.sess-type{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none;background:var(--brand-50);color:var(--brand-600)}
.sess-type.train{background:var(--mint-50);color:#00805F}

/* 选择器 */
.pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:260px;overflow:auto;padding:3px}
.pick{
  display:flex;align-items:flex-start;gap:8px;padding:9px 11px;border:1px solid var(--line);
  border-radius:8px;font-size:12px;cursor:pointer;transition:.12s;background:var(--surface);line-height:1.5;
}
.pick:hover{border-color:#B9C6D9;background:var(--surface-2)}
.pick input{margin-top:2px;accent-color:var(--brand);flex:none}
.pick.on{border-color:var(--brand);background:var(--brand-50)}
.pick .lv{font-size:10px;font-weight:700;color:var(--text-2);background:var(--surface-3);padding:1px 5px;border-radius:4px;flex:none}
.pick .steps{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--text-3);flex:none}

/* 按培训场次分组的学员选择 */
.pick-group{border:1px solid var(--line);border-radius:9px;margin-top:8px;overflow:hidden;background:var(--surface-2)}
.pick-group .pg-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:7px 10px;background:var(--surface-3);border-bottom:1px solid var(--line);
}
.pick-group .pg-name{font-size:12.5px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:6px;min-width:0}
.pick-group .pg-name .tiny{font-weight:400}
.pick-group .pick-grid{max-height:200px;padding:8px;background:var(--surface)}
.pick-group + .pick-group{margin-top:8px}

/* 导出卡 */
.export-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.exp{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;transition:.15s;
}
.exp:hover{border-color:#C5D6F2;box-shadow:var(--sh-2)}
.exp .ico-box{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand-600)}
.exp .ico-box.green{background:var(--mint-50);color:#00805F}
.exp .ico-box.amber{background:var(--amber-50);color:#A45B00}
.exp .ico-box.violet{background:var(--violet-50);color:#5B3FD6}
.exp h4{font-size:14px}
.exp p{font-size:12.5px;color:var(--text-2);line-height:1.7;flex:1}
.exp .acts{display:flex;gap:8px;flex-wrap:wrap}

/* 设置项 */
.setting{display:flex;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line)}
.setting:last-child{border:0}
.setting .body{flex:1;min-width:0}
.setting .body b{font-size:13.5px;display:block}
.setting .body p{font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.6}
.setting .acts{flex:none;display:flex;gap:8px}

/* 登录后加载 */
.boot{min-height:100vh;display:grid;place-items:center;color:var(--text-3);font-size:13px}

@media (max-width:1180px){
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .adm-cols,.adm-cols.eq{grid-template-columns:1fr}
  .export-grid{grid-template-columns:1fr}
}
@media (max-width:980px){
  .adm-side{transform:translateX(-100%);transition:transform .24s;width:250px}
  body.nav-open .adm-side{transform:none}
  body.nav-open .scrim{display:block}
  .adm-main{margin-left:0}
  .adm-top{padding:0 16px}
  .adm-body{padding:16px 14px 40px}
  .sess-card .grid3{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .tbl-bar .search{width:100%}
  .pick-grid{grid-template-columns:1fr}
}

/* ---------- 密码结果 ---------- */
.pwd-result{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:11px;overflow:hidden}
.pr-row{display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--surface);font-size:12.5px}
.pr-row span{width:64px;flex:none;color:var(--text-3)}
.pr-row b{font-weight:600}
.pr-row b.hl{font-family:var(--mono);font-size:15px;color:var(--brand-600);letter-spacing:.04em}

/* ============================================================
   标准对照（从学员端迁入，仅后台展示）
   ============================================================ */
.cover-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh-1)}
.stat-card .lb{font-size:11.5px;color:var(--text-3);letter-spacing:.02em;display:flex;align-items:center;gap:6px}
.stat-card .vl{font-size:27px;font-weight:700;font-family:var(--mono);letter-spacing:-.03em;margin-top:8px;line-height:1}
.stat-card .vl small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:3px;font-family:var(--font)}
.stat-card .sub{font-size:11.5px;color:var(--text-3);margin-top:7px}
.fn-block{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:12px;overflow:hidden}
.fn-head{padding:14px 18px;display:flex;align-items:center;gap:12px;background:var(--surface-2);border-bottom:1px solid var(--line);cursor:pointer;user-select:none}
.fn-head b{font-size:13.5px}
.fn-head .wt{margin-left:auto;font-size:11.5px;color:var(--text-2);background:var(--surface);border:1px solid var(--line);padding:2px 9px;border-radius:99px;font-family:var(--mono)}
.fn-head .chev{transition:.2s;color:var(--text-3)}
.fn-block.collapsed .chev{transform:rotate(-90deg)}
.fn-block.collapsed .fn-body{display:none}
.fn-body{padding:6px 18px 14px}
.sub-item{padding:12px 0;border-bottom:1px dashed var(--line)}
.sub-item:last-child{border:0}
.sub-name{font-size:12.5px;font-weight:600;color:var(--text);margin-bottom:9px;display:flex;align-items:center;gap:7px}
.sub-name::before{content:"";width:5px;height:5px;border-radius:1px;background:#C8D3E2;transform:rotate(45deg)}
.point{display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:12.5px;line-height:1.65}
.point code{flex:none;font-family:var(--mono);font-size:11px;color:var(--brand-600);background:var(--brand-50);padding:1px 6px;border-radius:5px;margin-top:2px}
.point .txt{flex:1;color:var(--text-2)}
.point .flag{flex:none;font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:5px;margin-top:1px}
.point .flag.yes{background:var(--mint-50);color:#00805F}
.point .flag.no{background:var(--surface-3);color:var(--text-3)}
@media (max-width:1180px){.cover-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ============================================================
   授课模式 · 老师演示台
   ============================================================ */
.tr-runner{position:fixed;inset:0;z-index:200;background:#0E1B2E;display:flex;flex-direction:column}
.tr-runner.hidden{display:none}
.tr-top{
  flex:none;display:flex;align-items:center;gap:14px;padding:0 22px;height:58px;
  background:#12233B;border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.tr-top h2{font-size:15px;font-weight:700;color:#fff;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tr-meta{margin-left:auto;display:flex;gap:8px;align-items:center;flex:none}
.tr-meta .badge{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85)}
.tr-meta .badge.violet{background:rgba(91,63,214,.35);color:#C9BCFF}
.tr-prog{flex:none;height:3px;background:rgba(255,255,255,.1)}
.tr-prog i{display:block;height:100%;background:linear-gradient(90deg,#2E6BFF,#00B589);transition:width .25s}
.tr-body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:0;min-height:0}
.tr-body.solo{grid-template-columns:1fr}
.tr-q{display:flex;flex-direction:column;min-width:0;min-height:0;background:#F7F9FC;border-right:1px solid var(--line)}
.tr-scroll{flex:1;overflow-y:auto;padding:22px 24px}
.tr-mission{
  font-size:12.5px;line-height:1.75;color:var(--text-2);background:var(--surface);
  border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:0 9px 9px 0;padding:12px 14px;
}
.tr-mission b{color:var(--text)}
.tr-mission .ref{display:block;margin-top:6px;font-size:11px;color:var(--text-3)}
.tr-stepmeta{display:flex;align-items:center;gap:8px;margin:18px 0 10px}
.tr-stepmeta .idx{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-600)}
.tr-stepmeta .kind{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:5px;background:var(--violet-50);color:#5B3FD6}
.tr-q-title{font-size:16.5px;line-height:1.6;font-weight:700;margin-bottom:14px}
.tr-hint{font-size:12.5px;color:var(--text-2);background:var(--surface);border:1px dashed #B9C6D9;border-radius:9px;padding:10px 12px;display:flex;align-items:center;gap:7px}
.tr-opts{display:flex;flex-direction:column;gap:9px}
.tr-opt{
  display:flex;align-items:flex-start;gap:10px;text-align:left;cursor:pointer;
  background:var(--surface);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;
  font-size:13px;line-height:1.6;color:var(--text);transition:.12s;
}
.tr-opt:hover:not(:disabled){border-color:var(--brand);box-shadow:0 4px 14px -8px rgba(27,92,255,.5)}
.tr-opt:disabled{cursor:default;opacity:.75}
.tr-opt .key{flex:none;width:22px;height:22px;border-radius:6px;background:var(--surface-3);color:var(--text-2);font-weight:700;font-size:11.5px;display:grid;place-items:center;margin-top:1px}
.tr-opt.right{border-color:#00B589;background:var(--mint-50)}
.tr-opt.right .key{background:#00B589;color:#fff}
.tr-opt.wrong{border-color:#E5484D;background:var(--danger-50)}
.tr-opt.wrong .key{background:#E5484D;color:#fff}
.tr-opt.fatal{border-color:#B42318;background:var(--danger-50)}
.tr-fb{margin-top:14px;border-radius:10px;padding:12px 14px;font-size:12.5px;line-height:1.7}
.tr-fb.ok{background:var(--mint-50);border:1px solid #9FE3CF;color:#00664F}
.tr-fb.bad{background:var(--danger-50);border:1px solid #F3C5C7;color:#8C1D17}
.tr-fb b{display:block;margin-bottom:4px;font-size:12.5px}
.tr-fb .tr-ans{display:flex;align-items:flex-start;gap:7px;margin-top:8px;padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.72);border:1px dashed currentColor}
.tr-fb .tr-ans svg{flex:none;margin-top:3px}
.tr-foot{flex:none;display:flex;align-items:center;gap:10px;padding:13px 22px;border-top:1px solid var(--line);background:var(--surface)}
.tr-dpane{display:flex;flex-direction:column;min-width:0;min-height:0;background:#10203A}
.tr-dpane-h{flex:none;display:flex;align-items:center;gap:10px;padding:11px 18px;color:#fff;font-size:12.5px}
.tr-dpane-h b{font-weight:700}
.tr-dpane-h .tip{margin-left:auto;font-size:11px;color:rgba(255,255,255,.5)}
.tr-dia{flex:1;min-height:0;padding:8px 14px;background:#fff;border-radius:12px;margin:0 14px;overflow:auto}
.tr-legend{flex:none;display:flex;gap:16px;padding:10px 18px 14px;font-size:11px;color:rgba(255,255,255,.6)}
.tr-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px}
@media (max-width:980px){
  .tr-body{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) minmax(0,1fr)}
  .tr-top h2{display:none}
  .tr-meta .badge:nth-child(2){display:none}
}