:root{
  --bg:#f4f6fa; --panel:#fff; --line:#e3e8f0; --txt:#2b3445; --muted:#7b8794;
  --blue:#2563eb; --blue-d:#1d4ed8; --green:#16a34a; --red:#dc2626; --amber:#d97706;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--txt);font-size:14px}
.topbar{height:56px;background:linear-gradient(90deg,#1e3a8a,#2563eb);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.logo{font-size:18px;font-weight:bold}
.logo .sub{font-size:12px;font-weight:normal;opacity:.75;margin-left:8px}
.top-right{font-size:13px;opacity:.9}
.layout{display:flex;min-height:calc(100vh - 56px)}
.side{width:190px;background:var(--panel);border-right:1px solid var(--line);padding:12px 8px;flex-shrink:0}
.nav-item{display:block;padding:11px 14px;border-radius:8px;cursor:pointer;color:var(--txt);margin-bottom:4px;user-select:none}
.nav-item:hover{background:#eef2ff}
.nav-item.active{background:var(--blue);color:#fff;font-weight:bold}
.main{flex:1;padding:20px;max-width:1200px}
h2{font-size:18px;margin-bottom:14px}
h3{font-size:15px;margin:16px 0 8px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}
.kpi .v{font-size:22px;font-weight:bold;margin-top:4px}
.kpi .l{color:var(--muted);font-size:12px}
.red{color:var(--red)}.green{color:var(--green)}.amber{color:var(--amber)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:#f1f5f9;text-align:left;padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}
td{padding:7px 10px;border-bottom:1px solid var(--line)}
tr:hover td{background:#f8fafc}
.num{text-align:right;font-variant-numeric:tabular-nums}
.btn{display:inline-block;background:var(--blue);color:#fff;border:none;border-radius:7px;padding:8px 18px;font-size:14px;cursor:pointer}
.btn:hover{background:var(--blue-d)}
.btn.gray{background:#64748b}.btn.green{background:var(--green)}.btn.red{background:var(--red)}
.btn.sm{padding:4px 10px;font-size:12px}
input,select{padding:7px 9px;border:1px solid #cbd5e1;border-radius:7px;font-size:13px;outline:none;background:#fff}
input:focus,select:focus{border-color:var(--blue)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.bar-wrap{display:flex;align-items:center;gap:8px;margin:4px 0}
.bar-name{width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.bar{height:16px;background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:0 4px 4px 0;min-width:2px}
.bar-val{font-size:12px;color:var(--muted)}
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px}
.tag.ok{background:#dcfce7;color:var(--green)}
.tag.warn{background:#fef3c7;color:var(--amber)}
.muted{color:var(--muted)}
#toast{position:fixed;top:70px;right:20px;background:#1e293b;color:#fff;padding:10px 18px;border-radius:8px;display:none;z-index:99;font-size:13px}


/* ---------- 登录遮罩 ---------- */
#loginMask{position:absolute;inset:0;background:rgba(15,23,42,.55);display:flex;
  align-items:center;justify-content:center;z-index:999}
.login-card{background:#fff;border-radius:14px;padding:34px 38px;width:330px;
  display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 40px rgba(0,0,0,.18)}
.login-card h2{margin:0;text-align:center}
.login-card input{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid #cbd5e1;
  border-radius:8px;font-size:14px}
.login-card .btn{width:100%;padding:10px 0;font-size:15px}
.login-card .muted{text-align:center;margin:2px 0 0}