:root{
  --bg:#0b1220;
  --card:#111b2e;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#0ea5e9;
  --danger:#ef4444;
  --ok:#22c55e;
  --border:rgba(255,255,255,.08);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#070b14,var(--bg));
  color:var(--text);
}
a{color:var(--accent)}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(7,11,20,.9);backdrop-filter:blur(8px);
}
.brand{font-weight:700;letter-spacing:.2px}
.status{font-weight:700}
.container{max-width:980px;margin:0 auto;padding:18px}
.card{
  background:rgba(17,27,46,.9);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  margin-bottom:16px;
}
h1{margin:0 0 10px 0;font-size:22px}
h2{margin:8px 0;font-size:16px;color:#dbeafe}
.muted{color:var(--muted)}
.small{font-size:12px}
label{display:block;margin:10px 0 6px;font-size:12px;color:var(--muted)}
input,select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
button{
  padding:10px 12px;border-radius:12px;border:1px solid var(--border);
  background:rgba(14,165,233,.18);
  color:var(--text);cursor:pointer;
  font-weight:600;
}
button:hover{background:rgba(14,165,233,.28)}
button.danger{background:rgba(239,68,68,.18)}
button.danger:hover{background:rgba(239,68,68,.28)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:end}
.row .end{display:flex;justify-content:flex-end}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{background:rgba(255,255,255,.04)}
.tabs button.active{background:rgba(14,165,233,.22);border-color:rgba(14,165,233,.35)}
.hidden{display:none}
.msg{margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.03)}
.pre{white-space:pre-wrap;background:rgba(255,255,255,.03);border:1px solid var(--border);padding:10px;border-radius:12px;overflow:auto}
hr{border:none;border-top:1px solid var(--border);margin:14px 0}
@media (max-width:860px){
  .grid2{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .row .end{justify-content:flex-start}
}