/* 知测 · 运营后台（深色） */
:root{
  --bg:#0e1316; --panel:#151d21; --panel2:#1a2429; --panel3:#202c32;
  --line:#26343b; --line2:#2f4048;
  --ink:#e8f0ee; --ink2:#c2cfcc; --muted:#859793;
  --brand:#2fbf9e; --brand2:#1e9c80; --brand-soft:rgba(47,191,158,.12);
  --danger:#e57368; --warn:#dcae5c; --ok:#57c98d; --info:#6ba8e8;
  --radius:12px;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:13.5px}
button{font-family:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#2b3a41;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

/* 登录 */
.login-wrap{min-height:100vh;display:grid;place-items:center;
  background:radial-gradient(900px 500px at 20% -10%,rgba(47,191,158,.16),transparent),
             radial-gradient(700px 400px at 90% 110%,rgba(107,168,232,.10),transparent)}
.login-card{width:360px;padding:32px 28px;background:var(--panel);border:1px solid var(--line);
  border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.login-card h1{font-size:17px;margin:14px 0 4px;letter-spacing:.5px}
.hint{font-size:11.5px;color:var(--muted);line-height:1.7;margin:0 0 20px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin-bottom:12px}
.login-card input{width:100%;margin-top:6px;padding:10px 12px;border-radius:10px;border:1px solid var(--line2);
  background:var(--panel2);color:var(--ink);font-size:13.5px;outline:none}
.login-card input:focus{border-color:var(--brand)}
.err{color:var(--danger);font-size:12px;min-height:16px;margin:10px 0 0}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2fbf9e,#16705c);color:#06231c;font-weight:800;font-size:19px}
.brand-mark.sm{width:30px;height:30px;font-size:15px;border-radius:9px}

/* 布局 */
.shell{display:grid;grid-template-columns:216px 1fr;height:100vh}
.sidebar{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 12px}
.logo{display:flex;gap:10px;align-items:center;padding:4px 6px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.logo b{font-size:13.5px;display:block;letter-spacing:.5px}
.logo small{font-size:10.5px;color:var(--muted)}
nav{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px}
nav .group{font-size:10.5px;color:#5f7270;letter-spacing:1px;padding:14px 10px 6px}
nav a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;color:var(--ink2);font-size:13px}
nav a:hover{background:var(--panel2)}
nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
nav a i{font-style:normal;width:16px;text-align:center;opacity:.9}
.side-foot{border-top:1px solid var(--line);padding-top:12px;font-size:11.5px;color:var(--muted)}
#who{margin-bottom:8px;line-height:1.6}
#who b{color:var(--ink2);font-size:12.5px}

.main{display:flex;flex-direction:column;min-width:0;overflow:hidden}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:18px 24px 14px;border-bottom:1px solid var(--line);background:rgba(14,19,22,.9)}
.topbar h2{margin:0;font-size:17px;letter-spacing:.3px}
.sub{margin:3px 0 0;font-size:11.5px;color:var(--muted)}
.top-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.view{padding:20px 24px 40px;overflow:auto;flex:1}

/* 组件 */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line2);background:var(--panel2);
  color:var(--ink2);border-radius:9px;padding:8px 14px;font-size:12.5px;transition:.15s}
.btn:hover{border-color:#3b5058;color:var(--ink)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#05231c;font-weight:700}
.btn.primary:hover{background:#3ad0ac}
.btn.danger{color:var(--danger);border-color:rgba(229,115,104,.4)}
.btn.danger:hover{background:rgba(229,115,104,.12)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:11.5px;border-radius:7px}
.btn.block{display:flex;width:100%;justify-content:center;padding:10px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.kpi .label{font-size:11.5px;color:var(--muted);display:flex;justify-content:space-between}
.kpi .val{font-size:23px;font-weight:700;margin-top:8px;letter-spacing:.5px}
.kpi .val small{font-size:12px;color:var(--muted);font-weight:500;margin-left:3px}
.kpi.accent{border-color:rgba(47,191,158,.35);background:linear-gradient(160deg,rgba(47,191,158,.10),transparent)}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;
  border-bottom:1px solid var(--line)}
.panel-head h3{margin:0;font-size:13.5px}
.panel-head .sub{font-size:11px}
.panel-body{padding:16px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar select,.toolbar input{padding:7px 10px;border-radius:8px;border:1px solid var(--line2);
  background:var(--panel2);color:var(--ink);font-size:12px;outline:none}
.toolbar input{min-width:200px}

table{width:100%;border-collapse:collapse;font-size:12.5px}
th{text-align:left;padding:9px 12px;color:var(--muted);font-weight:500;font-size:11px;
  border-bottom:1px solid var(--line);white-space:nowrap;background:var(--panel2)}
td{padding:10px 12px;border-bottom:1px solid #1d272c;vertical-align:middle;color:var(--ink2)}
tr:hover td{background:#182126}
td.wrap{max-width:320px;white-space:normal;line-height:1.5}
td .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;color:var(--ink)}
.actions{display:flex;gap:6px;flex-wrap:wrap}

.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:10.5px;font-weight:600;
  background:#22333a;color:var(--ink2);white-space:nowrap}
.tag.ok{background:rgba(87,201,141,.14);color:var(--ok)}
.tag.warn{background:rgba(220,174,92,.14);color:var(--warn)}
.tag.danger{background:rgba(229,115,104,.14);color:var(--danger)}
.tag.info{background:rgba(107,168,232,.14);color:var(--info)}
.tag.brand{background:var(--brand-soft);color:var(--brand)}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow:auto}
.tabs button{background:none;border:none;color:var(--muted);padding:9px 14px;font-size:13px;
  border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}

.empty{padding:44px;text-align:center;color:var(--muted);font-size:12.5px}
.funnel{display:flex;flex-direction:column;gap:10px}
.funnel .row{display:grid;grid-template-columns:64px 1fr 84px;gap:10px;align-items:center;font-size:12px}
.funnel .bar{height:22px;border-radius:6px;background:linear-gradient(90deg,rgba(47,191,158,.55),rgba(47,191,158,.18))}
.funnel .bar.alt{background:linear-gradient(90deg,rgba(107,168,232,.45),rgba(107,168,232,.14))}
.funnel .num{text-align:right;color:var(--ink2)}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(6,10,12,.66);display:grid;place-items:center;z-index:60;padding:20px}
.modal{width:min(560px,100%);max-height:86vh;overflow:auto;background:var(--panel);
  border:1px solid var(--line2);border-radius:14px;padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.modal h3{margin:0 0 4px;font-size:15px}
.modal .desc{font-size:11.5px;color:var(--muted);margin:0 0 18px;line-height:1.6}
.field{margin-bottom:12px}
.field label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border-radius:9px;
  border:1px solid var(--line2);background:var(--panel2);color:var(--ink);font-size:12.5px;outline:none}
.field textarea{min-height:120px;resize:vertical;font-family:ui-monospace,Menlo,monospace;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand)}
.modal-foot{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.modal .note{font-size:11px;color:var(--muted);line-height:1.6;background:var(--panel3);
  padding:10px 12px;border-radius:9px;margin-bottom:14px}

.toast{position:fixed;right:24px;bottom:24px;background:#1e2b30;border:1px solid var(--line2);
  color:var(--ink);padding:11px 16px;border-radius:10px;font-size:12.5px;opacity:0;transform:translateY(8px);
  transition:.2s;pointer-events:none;z-index:80;max-width:380px;line-height:1.5}
.toast.show{opacity:1;transform:none}
.err-text{color:var(--danger)}
select option{background:#182228}
.hintline{font-size:11px;color:var(--muted);line-height:1.7;margin-top:6px}
code{background:var(--panel3);padding:1px 5px;border-radius:4px;font-size:11px}