:root{
  --bg1:#1a1033; --bg2:#2a1758; --bg3:#0e0a24;
  --pink:#ff5fa2; --cyan:#1aa6c4; --purple:#a06bff;
  --glass:rgba(255,255,255,.07); --glass-bd:rgba(255,255,255,.16);
  --txt:#f3eaff; --muted:#b9a9d6; --ok:#36d399; --ng:#ff5d6c; --warn:#ffd166;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  color:var(--txt); min-height:100vh;
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(160,107,255,.35), transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, rgba(26,166,196,.30), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(255,95,162,.22), transparent 55%),
    linear-gradient(160deg,var(--bg3),var(--bg1) 45%,var(--bg2));
  background-attachment:fixed;
}
a{color:var(--cyan);text-decoration:none}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:1320px;margin:0 auto;padding:18px 22px 60px}
.glass{background:var(--glass);border:1px solid var(--glass-bd);border-radius:18px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 8px 30px rgba(0,0,0,.25)}
/* nav */
.nav{display:flex;align-items:center;gap:14px;padding:12px 22px;position:sticky;top:0;z-index:30;
  background:rgba(20,12,45,.55);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-bd)}
.brand{font-weight:800;font-size:19px;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--pink),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav .sp{flex:1}
.nav a,.nav button{font-size:14px;padding:8px 14px;border-radius:11px;border:1px solid var(--glass-bd);
  background:var(--glass);color:var(--txt);transition:.2s}
.nav a:hover,.nav button:hover{border-color:var(--pink);box-shadow:0 0 14px rgba(255,95,162,.4)}
.nav a.active{background:linear-gradient(90deg,rgba(255,95,162,.25),rgba(26,166,196,.2));border-color:var(--pink)}
/* topbar / dashboard */
.topbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:18px 0}
.topbar h1{font-size:26px;font-weight:800;text-shadow:0 0 22px rgba(255,95,162,.5)}
.clock{font-variant-numeric:tabular-nums;font-size:15px;color:var(--muted)}
.clock b{color:var(--cyan)}
/* kpi */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:8px 0 20px}
.kpi{padding:16px 18px}
.kpi .label{font-size:13px;color:var(--muted)}
.kpi .val{font-size:34px;font-weight:800;margin-top:6px;line-height:1}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:6px}
.bar{height:9px;border-radius:6px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:10px}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--pink));width:0;transition:width .6s}
.kpi.ok .val{color:var(--ok)} .kpi.ng .val{color:var(--ng)} .kpi.warn .val{color:var(--warn)}
/* device grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.card{padding:12px 13px;position:relative;overflow:hidden;transition:.18s}
.card:hover{transform:translateY(-3px);border-color:var(--pink)}
.card .no{font-size:12px;color:var(--muted)}
.card .nm{font-size:14px;font-weight:700;margin:3px 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .md{font-size:11px;color:var(--muted)}
.card .st{position:absolute;top:10px;right:10px;width:11px;height:11px;border-radius:50%}
.st.ok{background:var(--ok);box-shadow:0 0 10px var(--ok)}
.st.ng{background:var(--ng);box-shadow:0 0 10px var(--ng)}
.st.none{background:#6b6390}
.sig{display:flex;align-items:center;gap:7px;margin-top:8px}
.sig img{height:26px;width:auto;max-width:54px;background:rgba(255,255,255,.85);border-radius:5px;padding:1px 3px}
.sig .who{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* sections */
.sec-title{font-size:18px;font-weight:800;margin:22px 4px 12px;display:flex;align-items:center;gap:9px}
.sec-title::before{content:"";width:5px;height:18px;border-radius:3px;background:linear-gradient(var(--pink),var(--cyan))}
/* buttons */
.btn{padding:10px 18px;border-radius:12px;border:1px solid var(--glass-bd);background:var(--glass);color:var(--txt);font-weight:600;transition:.2s}
.btn:hover{border-color:var(--pink);box-shadow:0 0 14px rgba(255,95,162,.35)}
.btn.primary{background:linear-gradient(90deg,var(--pink),#ff8ab8);border:none;color:#fff;box-shadow:0 6px 18px rgba(255,95,162,.4)}
.btn.cyan{background:linear-gradient(90deg,var(--cyan),#4fd0e6);border:none;color:#06222a}
.btn.danger{border-color:var(--ng);color:var(--ng)}
.btn.danger:hover{background:rgba(255,93,108,.15)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed}
/* forms */
.field{margin:10px 0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
input,select,textarea{padding:10px 12px;border-radius:11px;border:1px solid var(--glass-bd);
  background:rgba(0,0,0,.25);color:var(--txt);font-size:14px;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(26,166,196,.2)}
textarea{resize:vertical;min-height:64px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
/* table */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 11px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}
th{color:var(--muted);font-weight:600;font-size:12px;position:sticky;top:0;background:rgba(20,12,45,.7)}
tbody tr:hover{background:rgba(255,255,255,.04)}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700}
.pill.ok{background:rgba(54,211,153,.18);color:var(--ok)}
.pill.ng{background:rgba(255,93,108,.18);color:var(--ng)}
.pill.none{background:rgba(255,255,255,.1);color:var(--muted)}
.scroll{max-height:480px;overflow:auto;border-radius:14px}
/* tabs */
.tabs{display:flex;gap:8px;margin:10px 0 18px}
.tabs button{padding:10px 18px;border-radius:12px 12px 0 0;border:1px solid var(--glass-bd);background:var(--glass);color:var(--muted);font-weight:700}
.tabs button.active{color:#fff;background:linear-gradient(90deg,rgba(255,95,162,.3),rgba(26,166,196,.2));border-color:var(--pink)}
.panel{display:none;padding:18px}
.panel.active{display:block}
/* modal */
.mask{position:fixed;inset:0;background:rgba(8,4,20,.7);backdrop-filter:blur(4px);display:none;z-index:50;align-items:center;justify-content:center;padding:20px}
.mask.show{display:flex}
.modal{max-width:760px;width:100%;max-height:88vh;overflow:auto;padding:22px}
.modal h3{margin-bottom:12px;font-size:18px}
/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;
  background:rgba(20,12,45,.95);border:1px solid var(--glass-bd);padding:12px 20px;border-radius:12px;
  z-index:90;transition:.3s;font-size:14px;pointer-events:none;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--ng);color:#ffd2d6}
.toast.ok{border-color:var(--ok);color:#d6ffe9}
/* misc */
.muted{color:var(--muted)}
.tiny{font-size:12px}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sp{flex:1}
.tag{font-size:11px;padding:2px 8px;border-radius:8px;background:rgba(160,107,255,.2);color:var(--purple);border:1px solid rgba(160,107,255,.4)}
.login-box{max-width:380px;margin:14vh auto;padding:30px}
.sigprev{height:60px;background:rgba(255,255,255,.9);border-radius:8px;padding:4px;margin-top:8px;display:inline-block}
.sigprev img{max-height:52px}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;vertical-align:middle}
@media(max-width:860px){.kpis{grid-template-columns:repeat(2,1fr)}}