:root{
  --bg:#f5f7fa; --panel:#ffffff; --text:#1f2937; --muted:#6b7280;
  --accent:#2563eb; --accent-dark:#1d4ed8; --border:#e5e7eb;
  --ok:#059669; --danger:#dc2626; --warn:#d97706;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 4px 16px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Microsoft YaHei UI","Segoe UI",system-ui,sans-serif;font-size:13px;
}
h1,h2,h3,h4{margin:0;font-weight:600}
button{font-family:inherit;cursor:pointer}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:12px}
.error{color:var(--danger);font-size:12px;min-height:16px;margin:8px 0 0}
.login-foot{text-align:center;color:#9ca3af;font-size:11px;margin:14px 0 0}
.mono{font-family:Consolas,"Cascadia Mono",monospace}

/* 登录 */
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 20% 0%,#1e3a8a 0%,#0f172a 55%,#0b1120 100%);
}
.login-card{
  width:380px;background:#fff;border-radius:14px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.brand-big{display:flex;gap:12px;align-items:center;margin-bottom:22px}
.brand-big h1{font-size:19px}
.brand-big p{margin:4px 0 0;color:var(--muted);font-size:11px}
.logo{
  width:38px;height:38px;border-radius:9px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;letter-spacing:.5px;
}
label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);margin-bottom:14px}
input,select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;
  background:#fff;color:var(--text);font-size:13px;outline:none;font-family:inherit;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
textarea{resize:vertical;line-height:1.5}
button.primary{
  background:var(--accent);color:#fff;border:0;border-radius:6px;padding:9px 16px;font-weight:600;
}
button.primary:hover{background:var(--accent-dark)}
button.primary.wide{width:100%;padding:10px}
button.ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:6px;padding:6px 12px}
button.ghost:hover{background:rgba(255,255,255,.12)}
button.mini{background:#eef2f7;border:0;border-radius:5px;padding:4px 10px;color:var(--muted)}
button.mini:hover{background:#e2e8f0}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.actions button:not(.primary){background:#fff;border:1px solid var(--border);border-radius:6px;padding:8px 14px;color:var(--text)}
.actions button:not(.primary):hover{background:#f8fafc}

/* 顶栏 */
.topbar{
  height:64px;background:#0f172a;color:#fff;display:flex;align-items:center;
  justify-content:space-between;padding:0 22px;
}
.brand{display:flex;gap:12px;align-items:center}
.brand h1{font-size:17px}
.brand p{margin:3px 0 0;color:#93c5fd;font-size:11px}
.top-actions{display:flex;gap:14px;align-items:center}
.top-actions .muted{color:#94a3b8}

/* 布局 */
.layout{display:flex;min-height:calc(100vh - 64px)}
.sidebar{
  width:180px;background:#fff;border-right:1px solid var(--border);padding:14px 10px;
  display:flex;flex-direction:column;gap:4px;flex-shrink:0;
}
.nav{
  text-align:left;background:transparent;border:0;border-radius:7px;padding:10px 12px;
  color:#374151;font-size:13px;
}
.nav:hover{background:#f3f4f6}
.nav.active{background:#e8efff;color:var(--accent);font-weight:600}
.sidebar-foot{margin-top:auto;padding:10px 12px;color:#9ca3af;font-size:11px;line-height:1.6}
main{flex:1;padding:20px;overflow:auto}
.view{display:none}
.view.active{display:block}

/* 面板 */
.panel{
  background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:16px;box-shadow:var(--shadow);margin-bottom:16px;
}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.panel-head h3{font-size:15px}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px;box-shadow:var(--shadow)}
.stat span{display:block;color:var(--muted);font-size:12px}
.stat strong{display:block;font-size:24px;margin-top:6px;letter-spacing:.5px}

/* 监控布局 */
.monitor-grid{display:grid;grid-template-columns:320px 1fr;gap:16px;align-items:start}
.company-list{display:flex;flex-direction:column;gap:8px;max-height:62vh;overflow:auto}
.company{
  border:1px solid var(--border);border-radius:8px;padding:10px 12px;cursor:pointer;background:#fff;
}
.company:hover{border-color:#bfdbfe;background:#f8fbff}
.company.active{border-color:var(--accent);background:#eff6ff}
.company-name{font-weight:600;margin-bottom:4px}
.company-meta{color:var(--muted);font-size:11px}
.bar{height:5px;background:#eef2f7;border-radius:4px;margin-top:8px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:4px}

/* 表格 */
.table-wrap{overflow:auto;max-height:62vh}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid #f1f5f9;white-space:nowrap}
th{color:var(--muted);font-weight:500;background:#fbfcfe;position:sticky;top:0}
tr:hover td{background:#fafcff}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.dot.on{background:var(--ok);box-shadow:0 0 0 3px rgba(5,150,105,.12)}
.dot.off{background:#cbd5e1}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px}
.badge.ok{background:#ecfdf5;color:var(--ok)}
.badge.expired{background:#fef2f2;color:var(--danger)}
.badge.warn{background:#fffbeb;color:var(--warn)}

/* 表单 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid2 .span2{grid-column:span 2}
.form-panel{max-width:920px}
.result textarea{min-height:110px}
.code{font-size:12px;word-break:break-all}
.fields{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;font-size:13px}
.fields .k{color:var(--muted)}
.json{background:#0f172a;color:#cbd5e1;padding:12px;border-radius:8px;overflow:auto;font-size:11px}
.subcard{border:1px dashed var(--border);border-radius:8px;padding:14px;margin-top:12px}
.subcard h4{margin-bottom:10px;font-size:13px}
.forms{margin-top:8px}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:50}
.modal-card{width:560px;background:#fff;border-radius:12px;padding:20px;box-shadow:0 30px 70px rgba(0,0,0,.3)}
.toast{
  position:fixed;right:24px;bottom:24px;background:#111827;color:#fff;padding:11px 16px;
  border-radius:8px;font-size:13px;box-shadow:0 12px 30px rgba(0,0,0,.25);z-index:99;max-width:420px;
}
.toast.error{background:var(--danger)}
a{color:var(--accent);text-decoration:none}
@media (max-width:1100px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .monitor-grid{grid-template-columns:1fr}
  .company-list{max-height:220px}
}