:root{
  --bg:#0f1720; --panel:#1b2430; --panel2:#232f3e; --line:#324155;
  --txt:#e8edf2; --muted:#9bb0c4; --accent:#3b82f6; --accent2:#2563eb;
  --green:#16a34a; --red:#dc2626; --amber:#d97706; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.5}
a{color:var(--accent)}
header.top{display:flex;align-items:center;gap:1rem;padding:.9rem 1.25rem;
  background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.top h1{font-size:1.15rem;margin:0;letter-spacing:.5px}
header.top .sp{flex:1}
header.top .who{color:var(--muted);font-size:.9rem}
.wrap{max-width:1000px;margin:1.5rem auto;padding:0 1rem}
.tabs{display:flex;gap:.5rem;margin-bottom:1.25rem;flex-wrap:wrap}
.tabs button{background:var(--panel);color:var(--muted);border:1px solid var(--line);
  padding:.6rem 1rem;border-radius:var(--radius);cursor:pointer;font-size:.95rem}
.tabs button.active{background:var(--accent2);color:#fff;border-color:var(--accent2)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.25rem;margin-bottom:1.25rem}
.card h2{margin:.1rem 0 1rem;font-size:1.05rem}
.card p.hint{color:var(--muted);font-size:.88rem;margin:.2rem 0 1rem}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
td.mono,code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
input,select{background:var(--panel2);color:var(--txt);border:1px solid var(--line);
  border-radius:8px;padding:.55rem .65rem;font-size:.95rem;width:100%}
label{display:block;font-size:.85rem;color:var(--muted);margin:.6rem 0 .25rem}
button.btn{background:var(--accent2);color:#fff;border:none;border-radius:8px;
  padding:.55rem .9rem;cursor:pointer;font-size:.9rem;font-weight:600}
button.btn:hover{background:var(--accent)}
button.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
button.btn.danger{background:var(--red)}
button.btn.sm{padding:.35rem .6rem;font-size:.82rem}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end}
.row > div{flex:1;min-width:140px}
.pill{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}
.pill.on{background:rgba(22,163,74,.18);color:#4ade80}
.pill.off{background:rgba(220,38,38,.18);color:#f87171}
.actions{display:flex;gap:.35rem;flex-wrap:wrap}
.center{max-width:380px;margin:8vh auto;text-align:left}
.center h1{text-align:center}
.banner{padding:.8rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem}
.banner.err{background:rgba(220,38,38,.15);color:#fca5a5;border:1px solid rgba(220,38,38,.4)}
.banner.ok{background:rgba(22,163,74,.15);color:#86efac;border:1px solid rgba(22,163,74,.4)}
.linkbox{display:flex;gap:.5rem;margin:.5rem 0}
.linkbox input{font-family:ui-monospace,monospace;font-size:.82rem}
.muted{color:var(--muted)}
.emerg-armed{border-color:var(--red);box-shadow:0 0 0 1px var(--red) inset}
small.note{display:block;color:var(--muted);font-size:.78rem;margin-top:.3rem}
.hide{display:none}