:root {
  --bg: #0e1220;
  --panel: #161b2e;
  --border: #232a44;
  --text: #e6e9f2;
  --muted: #8b93b0;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --accent: #6366f1;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
header { padding: 20px 24px 8px; border-bottom: 1px solid var(--border); }
h1 { margin: 0; font-size: 20px; letter-spacing: .3px; }
.sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
main { padding: 20px 24px; }
.controls {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px;
}
.controls .search {
  flex: 1 1 200px; padding: 10px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 14px;
}
.controls .search:focus { outline: none; border-color: var(--accent); }
.controls .select {
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-size: 13px;
}
.controls .chk { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); white-space: nowrap; }
.controls .chk input { accent-color: var(--accent); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.stats { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; min-width: 120px;
}
.stat .n { font-size: 24px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12px; margin-top: 2px; }
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
tr:last-child td { border-bottom: none; }
.pill { padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.unregistered { background: rgba(251,191,36,.15); color: var(--amber); }
.pill.acknowledged { background: rgba(99,102,241,.15); color: var(--accent); }
.pill.configured { background: rgba(52,211,153,.15); color: var(--green); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.on { background: var(--green); }
.dot.off { background: var(--red); }
button {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 6px 12px; font-size: 12px; cursor: pointer;
}
button:disabled { opacity: .4; cursor: default; }
.empty { color: var(--muted); padding: 24px; text-align: center; }