/* 设备状态查询平台 — 深色科技风 */
:root{
  --bg:#070c16; --panel:rgba(255,255,255,.035); --line:rgba(120,180,255,.16);
  --text:#e6eefc; --muted:#8ba3c7; --cyan:#22d3ee; --blue:#3b82f6;
  --ok:#22c55e; --bad:#ef4444; --warn:#f59e0b; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{
  margin:0;color:var(--text);min-height:100vh;
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(1100px 560px at 12% -12%,rgba(34,211,238,.13),transparent 62%),
    radial-gradient(900px 520px at 102% -4%,rgba(59,130,246,.16),transparent 58%),
    linear-gradient(180deg,#070c16 0%,#0a1120 42%,#070c16 100%);
  background-attachment:fixed;
}
header.top{
  position:sticky;top:0;z-index:20;padding:12px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:10px;flex-wrap:wrap;
  background:rgba(7,12,22,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.5px;font-size:16px}
.brand .logo{width:28px;height:28px;display:block;flex:none;filter:drop-shadow(0 0 9px rgba(34,211,238,.55))}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(34,211,238,.16),0 0 14px var(--cyan);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.5}}
.brand small{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px;letter-spacing:0}
nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav .who{color:#9fc4ff;font-size:13px;margin-right:8px}
nav a{color:#cfe3ff;text-decoration:none;font-size:14px;padding:6px 12px;border-radius:9px;transition:.18s}
nav a:hover{background:rgba(34,211,238,.12);color:#eafcff;box-shadow:0 0 0 1px rgba(34,211,238,.25) inset}
.wrap{max-width:1200px;margin:0 auto;padding:22px 18px 6px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;
  margin:16px 0;backdrop-filter:blur(6px);box-shadow:0 24px 50px -40px rgba(0,0,0,1)}
.card h2{font-size:15px;margin:0 0 14px;display:flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.3px}
.card h2::before{content:"";width:3px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--cyan),var(--blue))}
.card h2 em{font-style:normal;color:var(--muted);font-size:13px;font-weight:400}
.stats{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:2px}
.stat{flex:1 1 150px;padding:16px 18px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(34,211,238,.09),rgba(59,130,246,.05))}
.stat b{display:block;font:600 27px/1.2 var(--mono);color:#eaf7ff;text-shadow:0 0 20px rgba(34,211,238,.4)}
.stat span{color:var(--muted);font-size:13px}
form.search{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
input,select{padding:11px 13px;font-size:15px;color:var(--text);background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:11px;outline:none;min-width:0}
input::placeholder{color:#6d87ab}
input:focus{border-color:rgba(34,211,238,.6);box-shadow:0 0 0 3px rgba(34,211,238,.14)}
button{padding:11px 20px;font-size:15px;border:0;border-radius:11px;cursor:pointer;color:#04121d;font-weight:600;
  background:linear-gradient(135deg,#22d3ee,#3b82f6);box-shadow:0 10px 26px -12px rgba(34,211,238,.85);transition:.18s}
button:hover{filter:brightness(1.08);box-shadow:0 12px 30px -10px rgba(34,211,238,1)}
button.gray{background:rgba(255,255,255,.08);color:#cfe3ff;box-shadow:none}
button.gray:hover{background:rgba(255,255,255,.14)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:rgba(4,9,18,.35)}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
th,td{padding:11px 13px;text-align:left;white-space:nowrap}
th{background:rgba(255,255,255,.04);color:#9db4d6;font-weight:600;font-size:12px;letter-spacing:.6px;text-transform:uppercase}
td{border-bottom:1px solid rgba(120,180,255,.10);color:#dce9fb}
td:first-child{font-family:var(--mono);color:#bfe9ff}
tr:last-child td{border-bottom:0}
tbody tr{transition:.15s}
tbody tr:hover{background:rgba(34,211,238,.07)}
.pill{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px}
.pill.on{background:rgba(34,197,94,.14);color:#6df29a;border:1px solid rgba(34,197,94,.38);box-shadow:0 0 14px -6px rgba(34,197,94,.9)}
.pill.off{background:rgba(239,68,68,.14);color:#ff9b9b;border:1px solid rgba(239,68,68,.38);box-shadow:0 0 14px -6px rgba(239,68,68,.9)}
.pill.unk{background:rgba(148,163,184,.14);color:#b6c6dd;border:1px solid rgba(148,163,184,.3)}
.muted{color:var(--muted);font-size:13px}
.empty{padding:34px 16px;text-align:center;color:var(--muted)}
.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#ff9b9b;padding:10px 12px;border-radius:10px;margin:10px 0;font-size:13px}
.ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.35);color:#6ef09a;padding:10px 12px;border-radius:10px;margin:10px 0;font-size:13px}
.warn{background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.32);color:#f0b558;padding:11px 14px;border-radius:11px;margin:10px 0;font-size:13px;line-height:1.55}
.tip{background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.22);color:#b7e8f7;padding:11px 14px;border-radius:11px;font-size:14px}
.tag{font-size:11px;padding:1px 7px;border-radius:999px;background:rgba(34,211,238,.14);color:#7fdcf0;border:1px solid rgba(34,211,238,.3);cursor:help;white-space:nowrap}
.tag.amber{background:rgba(245,158,11,.14);color:#f0b558;border-color:rgba(245,158,11,.34)}
footer{text-align:center;color:#5d7a9e;font-size:12px;padding:22px 0 28px;letter-spacing:.3px}
/* 登录页 */
.login{margin:7vh auto 0;max-width:430px}
.login .card{padding:26px}
.login .brand{font-size:19px;margin-bottom:6px;justify-content:center;flex-direction:column;gap:12px;text-align:center}
.login .brand .logo{width:64px;height:64px;filter:drop-shadow(0 0 14px rgba(34,211,238,.6))}
.login .sub{color:var(--muted);font-size:13px;margin-bottom:20px}
.login input{width:100%;margin-bottom:12px}
.login button{width:100%;padding:12px;font-size:16px}
@media(max-width:640px){
  .wrap{padding:14px 12px 0}.stat b{font-size:22px}.brand{font-size:15px}
  th,td{padding:9px 10px}.login{margin-top:4vh}
}