:root{
  --bg:#f5f6f8; --card:#fff; --text:#1d2330; --muted:#6b7280; --line:#e3e6eb;
  --primary:#1f5fbf; --green:#15803d; --red:#b91c1c; --orange:#b45309; --gray:#6b7280;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
header.top{background:#16213a;color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:52px;flex-wrap:wrap;gap:8px}
header.top a{color:#dbe4f5}
.brand{font-weight:700;font-size:16px;color:#fff!important}
nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
nav .who{color:#9fb0cf}
main{padding:20px 16px 48px}
h1{font-size:20px;margin:4px 0 16px}
h2{font-size:16px;margin:24px 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.stat .k{color:var(--muted);font-size:12px}
.stat .v{font-size:20px;font-weight:600;margin-top:2px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:var(--card);font-size:13px;font-variant-numeric:tabular-nums}
th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#f0f2f6;font-weight:600;font-size:12px;color:#374151}
td.num,th.num{text-align:right}
.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;font-weight:600}
.badge.green{background:#dcfce7;color:var(--green)}
.badge.red{background:#fee2e2;color:var(--red)}
.badge.orange{background:#ffedd5;color:var(--orange)}
.badge.gray{background:#eceef2;color:var(--gray)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.dot.on{background:var(--green)} .dot.off{background:var(--red)}
.pos{color:var(--green)} .neg{color:var(--red)}
.muted{color:var(--muted)}
form.inline{display:inline}
label{display:block;font-weight:600;margin:10px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  width:100%;max-width:420px;padding:8px 10px;border:1px solid #cfd5de;border-radius:6px;font:inherit;background:#fff}
button,.btn{display:inline-block;padding:7px 14px;border:1px solid var(--primary);background:var(--primary);color:#fff;
  border-radius:6px;font:inherit;cursor:pointer}
button.secondary,.btn.secondary{background:#fff;color:var(--primary)}
button.danger{background:var(--red);border-color:var(--red)}
button.ok{background:var(--green);border-color:var(--green)}
button.small,.btn.small{padding:3px 10px;font-size:12px}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px}
.flash.ok{background:#dcfce7;color:#14532d}
.flash.err{background:#fee2e2;color:#7f1d1d}
.auth{max-width:420px;margin:40px auto}
.vps-head{display:flex;justify-content:space-between;align-items:baseline}
.mono{font-family:Consolas,monospace}
.qr{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-start}
.qr img{width:260px;max-width:100%;border:1px solid var(--line);border-radius:8px}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}
dl.kv dt{color:var(--muted)} dl.kv dd{margin:0;font-weight:600}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
svg.chart{width:100%;height:160px;background:#fff;border:1px solid var(--line);border-radius:8px}
@media (max-width:600px){ th,td{padding:6px} .stat .v{font-size:17px} }
.acc-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
a.card.acc{display:block;color:inherit;text-decoration:none;margin:0}
a.card.acc:hover{border-color:var(--primary)}
.acc-head{display:flex;justify-content:space-between;gap:8px;margin-bottom:10px}
@media (max-width:600px){ main{padding-top:16px} nav{gap:12px} }
.mono button{font-family:inherit}
pre.log{white-space:pre-wrap;word-break:break-all;background:#f6f7f9;border:1px solid var(--line);border-radius:6px;padding:8px;font-size:12px;max-height:260px;overflow:auto;margin:6px 0 0}
.enroll{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.enroll:first-of-type{border-top:0;margin-top:0;padding-top:0}
.broker-form{display:grid;gap:0 16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.broker-form input,.broker-form select{max-width:none}