:root{
  --bg:#0d1017; --panel:#151a23; --panel2:#0f131b; --side:#11161f; --line:#232a36;
  --fg:#e6e9ef; --muted:#818c9e; --coral:#d97757; --blue:#5b9dff;
  --red:#ff5c5c; --yel:#e8b339; --grn:#3ec07a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--fg);
  font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-text-size-adjust:100%;
}
.hidden{display:none !important}
.muted{color:var(--muted)}
.sm{font-size:12px}
.grow{flex:1}
.err{color:var(--red);min-height:18px;margin:8px 0 0}
.hint{color:var(--muted);font-size:12px;margin:8px 0 0}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* 登录 */
.login{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{width:100%;max-width:340px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px}
.login-card h1{font-size:19px;margin:0}
.login-card p{margin:4px 0 18px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin-bottom:12px}
.login-card input{width:100%;margin-top:5px}
.login-card label.check{display:flex;align-items:center;gap:7px;margin:-4px 0 14px;cursor:pointer}
.login-card label.check input{width:auto;margin:0;flex:0 0 auto}
.login-card .hint{font-size:11px;color:var(--muted);margin:-6px 0 12px;line-height:1.5}

/* 布局 */
.layout{display:flex;min-height:100vh}
.side{width:186px;flex-shrink:0;background:var(--side);border-right:1px solid var(--line);
      padding:16px 10px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{font-size:14px;font-weight:700;padding:4px 10px 16px;letter-spacing:.02em}
.brand span{display:block;font-size:11px;color:var(--muted);font-weight:500;margin-top:3px}
.navbtn{display:block;width:100%;text-align:left;background:transparent;border:1px solid transparent;
        color:var(--fg);padding:9px 12px;border-radius:9px;cursor:pointer;font-size:13px;margin-bottom:4px}
.navbtn:hover{background:#1a2130}
.navbtn.on{background:rgba(217,119,87,.16);border-color:rgba(217,119,87,.4);color:#ffd2bd;font-weight:600}
.side-foot{margin-top:auto;padding:10px;display:flex;flex-direction:column;gap:8px;font-size:12px}
.flags{display:flex;flex-wrap:wrap;gap:4px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line);
        background:var(--panel);position:sticky;top:0;z-index:5}
.topbar h1{font-size:15px;margin:0;font-weight:600}
.view{display:none;padding:16px 18px 40px;max-width:1280px;width:100%}
.view.on{display:block}

/* 控件 */
input,select,button,textarea{background:var(--panel2);color:var(--fg);border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:#3d4b60}
button,.btn{cursor:pointer;background:#1c2431;display:inline-block}
button:hover,.btn:hover{border-color:#3f4d61}
.btn.primary{background:var(--coral);border-color:var(--coral);color:#1a0d07;font-weight:600}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{border-color:rgba(255,92,92,.45);color:#ffb4b4}
.btn.sm{padding:5px 9px;font-size:12px}
.btn.block{width:100%;margin-top:6px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:13px}
textarea{width:100%;min-height:64px;resize:vertical}

/* 卡片 / 表格 */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px}
.card h2{font-size:13px;margin:0 0 10px;font-weight:600;letter-spacing:.02em}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px}
.row.end{justify-content:flex-end}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.scroll-x{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
.tbl th,.tbl td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl th{color:var(--muted);font-weight:500;font-size:12px}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover td{background:#1a2130}
.tbl td.wrap{white-space:normal;min-width:180px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.kpi .n{font-size:24px;font-weight:700;line-height:1.2}
.kpi .l{font-size:12px;color:var(--muted);margin-top:2px}
.kpi .x{font-size:11px;color:var(--muted);margin-top:6px}
.kpi.warn .n{color:var(--yel)}
.kpi.bad .n{color:var(--red)}
.kpi.good .n{color:var(--grn)}

/* 徽标 / 进度条 */
.pill{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.pill.grey{background:#232a36;color:#aab4c4}
.pill.red{background:rgba(255,92,92,.14);color:#ff8f8f}
.pill.yel{background:rgba(232,179,57,.14);color:#efc76a}
.pill.grn{background:rgba(62,192,122,.14);color:#6fdb9f}
.pill.blue{background:rgba(91,157,255,.14);color:#8fc0ff}
.pill.coral{background:rgba(217,119,87,.16);color:#ffb08c}
.bar{height:6px;border-radius:4px;background:#232a36;overflow:hidden;min-width:88px;margin-top:4px}
.bar i{display:block;height:100%;background:var(--grn)}
.bar i.warn{background:var(--yel)}
.bar i.bad{background:var(--red)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.chip{padding:5px 11px;border:1px solid var(--line);border-radius:20px;cursor:pointer;font-size:12px;background:var(--panel2)}
.chip.on{background:var(--coral);border-color:var(--coral);color:#1a0d07;font-weight:600}

/* 客户详情 */
.detail-head{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline}
.detail-head h2{font-size:16px;margin:0}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px 16px;font-size:13px;margin-top:8px}
.kv div span{color:var(--muted);margin-right:6px}
.subcard{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:10px}
.subcard .sub-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}
.meters{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:8px 0}
.meter .t{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.timeline{margin:0;padding:0;list-style:none;font-size:13px}
.timeline li{padding:6px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap}
.timeline .when{color:var(--muted);min-width:118px;font-size:12px}

/* 弹窗 / toast */
.modal{position:fixed;inset:0;background:rgba(6,9,14,.72);display:flex;align-items:center;
       justify-content:center;padding:16px;z-index:40}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;
            width:100%;max-width:620px;max-height:86vh;overflow:auto}
.modal-card h2{margin:0 0 12px;font-size:15px}
.modal-card .plan{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:12px}
.modal-card .warn{color:var(--yel);font-size:13px;margin:4px 0}
.modal-card .block{color:var(--red);font-size:13px;margin:4px 0}
.mail-text{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:12px;
  white-space:pre-wrap;word-break:break-word;font:13px/1.7 inherit;margin:0 0 12px;max-height:280px;overflow:auto}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#1c2431;
       border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:13px;z-index:60;max-width:90vw}
.toast.ok{border-color:rgba(62,192,122,.5)}
.toast.bad{border-color:rgba(255,92,92,.5);color:#ffb4b4}
.totp{margin-top:10px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:13px}
.totp code{word-break:break-all;color:var(--coral)}

@media(max-width:900px){
  .grid2{grid-template-columns:1fr}
  .layout{flex-direction:column}
  .side{width:100%;height:auto;position:static;flex-direction:row;align-items:center;gap:8px;
        overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:8px}
  .brand{display:none}
  .side nav{display:flex;gap:6px}
  .navbtn{width:auto;margin:0;white-space:nowrap}
  .side-foot{margin:0 0 0 auto;flex-direction:row;align-items:center;gap:6px}
  .side-foot .flags{display:none}
  .view{padding:12px 12px 32px}
  .topbar{padding:10px 12px}
}