:root{
  --nav:#1f2b3c; --nav2:#243247; --nav-txt:#c6d2e1; --brand:#42b883;
  --pri:#409eff; --pri-d:#2b7fd4; --line:#e6eaef; --txt:#39445a; --muted:#8a93a5;
  --bg:#f4f6fa; --ok:#27ae60; --warn:#e6a23c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font:13px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--txt);background:var(--bg)}
a{color:var(--pri);text-decoration:none}
.inline{display:inline}
/* ---------- layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:212px;flex:0 0 212px;background:linear-gradient(180deg,var(--nav),#182230);color:var(--nav-txt);
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:5}
.brand{display:flex;align-items:center;gap:8px;height:52px;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.06);font-size:15px;color:#fff}
.leaf{color:var(--brand);font-size:19px}
.menu{padding:10px 8px;display:flex;flex-direction:column;gap:2px}
.mi{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:5px;color:var(--nav-txt);font-size:13.5px}
.mi i{font-style:normal;width:16px;text-align:center;opacity:.85}
.mi:hover{background:var(--nav2);color:#fff}
.mi.on{background:var(--pri);color:#fff;box-shadow:0 2px 8px rgba(64,158,255,.35)}
.sidefoot{margin-top:auto;padding:12px 16px;font-size:11px;color:#5d6b80}
.main{flex:1;margin-left:212px;display:flex;flex-direction:column;min-width:0}
/* ---------- topbar ---------- */
.topbar{height:52px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 16px;position:sticky;top:0;z-index:4}
.crumb{color:var(--muted);font-size:12.5px}
.tools{display:flex;align-items:center;gap:14px;color:#5c6679}
.ico{font-size:14px;cursor:pointer;opacity:.75}
.ico:hover{opacity:1}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--pri);color:#fff;display:grid;place-items:center;font-size:12px}
.linkbtn{background:none;border:0;color:var(--muted);cursor:pointer;font-size:12px;padding:0}
.linkbtn:hover{color:#e74c3c}
/* ---------- tabs ---------- */
.tabstrip{display:flex;gap:6px;padding:8px 14px 0;background:#fff;border-bottom:1px solid var(--line)}
.tab{padding:6px 14px;border:1px solid var(--line);border-bottom:none;border-radius:5px 5px 0 0;
  background:#f7f8fa;color:#5c6679;font-size:12.5px}
.tab.on{background:var(--pri);border-color:var(--pri);color:#fff}
.content{padding:14px}
/* ---------- cards / forms ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px;margin-bottom:14px}
.card h3{margin:0 0 12px;font-size:14px;font-weight:600;color:#2c3648}
.filters{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:10px 18px}
.f{display:flex;align-items:center;gap:8px}
.f label{width:64px;text-align:right;color:#6b7488;flex:0 0 64px}
.f input,.f select{flex:1;min-width:0;height:32px;padding:0 9px;border:1px solid #dfe4ea;border-radius:4px;
  font-size:13px;color:var(--txt);background:#fff;outline:none}
.f input:focus,.f select:focus{border-color:var(--pri);box-shadow:0 0 0 2px rgba(64,158,255,.12)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.btn{height:32px;padding:0 15px;border-radius:4px;border:1px solid transparent;font-size:13px;cursor:pointer;}
.btn-pri{background:var(--pri);color:#fff}.btn-pri:hover{background:var(--pri-d)}
.btn-ghost{background:#fff;border-color:#dfe4ea;color:#5c6679}
.btn-green{background:#e8f8ef;color:#1f9d55;border-color:#c8ebd8}
.btn-yellow{background:#fdf6e3;color:#a9761c;border-color:#f2e3bd}
.btn-red{background:#fdecec;color:#c0392b;border-color:#f5cdc8}
.btn-sm{height:26px;padding:0 9px;font-size:12px;border-radius:3px}
/* ---------- table ---------- */
.tblwrap{overflow:auto;border:1px solid var(--line);border-radius:6px;background:#fff}
table{width:100%;border-collapse:collapse;white-space:nowrap}
th,td{padding:9px 12px;border-bottom:1px solid #eef1f5;text-align:left;font-size:12.5px}
th{background:#f7f9fc;color:#5c6679;font-weight:600;position:sticky;top:0;z-index:1}
th a{color:#5c6679}
tbody tr:hover{background:#f9fbfe}
td.num{color:#6b7488}
.chk{width:36px;text-align:center}
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:11.5px;line-height:18px}
.tag-ok{background:#e8f8ef;color:#1f9d55}
.tag-off{background:#f2f3f5;color:#8a93a5}
.tag-blue{background:#eaf3fe;color:#2b7fd4}
.pwd{font-family:ui-monospace,Menlo,Consolas,monospace;color:#8a93a5;cursor:pointer}
.pwd.shown{color:#c0392b}
.ops{display:flex;gap:6px}
/* ---------- pagination ---------- */
.pager{display:flex;align-items:center;gap:8px;padding:12px 4px 0;color:#6b7488;font-size:12.5px;flex-wrap:wrap}
.pager .pg{min-width:30px;height:28px;padding:0 8px;border:1px solid #dfe4ea;border-radius:4px;background:#fff;
  color:#5c6679;display:grid;place-items:center}
.pager .pg.on{background:var(--pri);border-color:var(--pri);color:#fff}
.pager .sp{margin-left:auto;display:flex;gap:6px;align-items:center}
/* ---------- stats ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px 16px}
.kpi .k{color:var(--muted);font-size:12px}
.kpi .v{font-size:24px;font-weight:600;color:#243247;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:11.5px;color:var(--muted);margin-top:2px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bars{display:flex;flex-direction:column;gap:8px}
.bar{display:grid;grid-template-columns:130px 1fr 48px;align-items:center;gap:8px;font-size:12px}
.bar .track{height:8px;background:#eef1f6;border-radius:5px;overflow:hidden}
.bar .fill{height:100%;background:linear-gradient(90deg,#66b1ff,#409eff);border-radius:5px}
.bar .n{text-align:right;color:#6b7488;font-variant-numeric:tabular-nums}
.trend{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:6px}
.trend .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px}
.trend .b{width:100%;background:#bfdcff;border-radius:3px 3px 0 0;min-height:2px}
.trend .b:hover{background:var(--pri)}
.trend .l{font-size:10px;color:var(--muted)}
/* ---------- modal ---------- */
.mask{position:fixed;inset:0;background:rgba(20,28,40,.45);display:none;place-items:center;z-index:50}
.mask.on{display:grid}
.modal{background:#fff;border-radius:8px;width:520px;max-width:94vw;max-height:88vh;overflow:auto;box-shadow:0 18px 50px rgba(0,0,0,.25)}
.modal header{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:600;display:flex;justify-content:space-between}
.modal .body{padding:16px;display:grid;gap:12px}
.modal .foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.modal .row{display:grid;grid-template-columns:80px 1fr;align-items:center;gap:10px}
.modal input,.modal select{height:32px;padding:0 9px;border:1px solid #dfe4ea;border-radius:4px;font-size:13px}
.hint{color:var(--muted);font-size:11.5px}
.toast{position:fixed;top:16px;left:50%;transform:translateX(-50%);background:#243247;color:#fff;
  padding:9px 18px;border-radius:5px;font-size:13px;opacity:0;transition:.25s;z-index:99;pointer-events:none}
.toast.on{opacity:1}
.fab{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:#ffb3c7;
  color:#8d3b52;display:grid;place-items:center;font-size:18px;box-shadow:0 6px 18px rgba(0,0,0,.15);cursor:default}
/* ---------- login ---------- */
.loginpage{min-height:100vh;display:grid;place-items:center;
  background:radial-gradient(1200px 600px at 20% 10%,#28374c,#141b26 70%)}
.loginbox{width:372px;background:#fff;border-radius:10px;padding:28px 26px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.loginbox h1{font-size:17px;margin:0 0 4px;color:#243247}
.loginbox p.sub{margin:0 0 18px;color:var(--muted);font-size:12px}
.loginbox .fld{margin-bottom:12px}
.loginbox .fld label{display:block;font-size:12px;color:#6b7488;margin-bottom:5px}
.loginbox input{width:100%;height:38px;padding:0 11px;border:1px solid #dfe4ea;border-radius:5px;font-size:14px}
.loginbox button{width:100%;height:38px;margin-top:6px;background:var(--pri);color:#fff;border:0;border-radius:5px;font-size:14px;cursor:pointer}
.err{background:#fdecec;color:#c0392b;border:1px solid #f5cdc8;border-radius:5px;padding:8px 10px;font-size:12.5px;margin-bottom:12px}
@media (max-width:1100px){
  .cols{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .filters{grid-template-columns:1fr 1fr}
}
@media (max-width:800px){
  .sidebar{display:none} .main{margin-left:0} .filters{grid-template-columns:1fr}
}