:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --border: #2a3348;
  --text: #e6e9f0;
  --muted: #8b93a7;
  --accent: #5b8cff;
  --danger: #e5484d;
  --ok: #3dd68c;
  --warn: #f5a623;
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Roboto, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
header a { color: var(--text); text-decoration: none; font-weight: 600; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 14px; }
nav a:hover { color: var(--text); }
main { max-width: 960px; margin: 0 auto; padding: 24px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 500; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.ok { background: rgba(61,214,140,.15); color: var(--ok); }
.badge.off { background: rgba(139,147,167,.15); color: var(--muted); }
.badge.blocked { background: rgba(229,72,77,.15); color: var(--danger); }
.badge.legacy { background: rgba(245,166,35,.15); color: var(--warn); }
a.btn, button {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
button.danger, a.btn.danger { background: var(--danger); }
button.ghost, a.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
form.inline { display: inline; }
input, select {
  background: #0d1220;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
  width: 100%;
  margin-bottom: 12px;
}
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }
.error { color: var(--danger); margin-bottom: 12px; }
.muted { color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; }
.row > * { flex: 1; }
img.qr { background: white; padding: 12px; border-radius: 8px; }
pre {
  background: #0d1220;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-size: 13px;
}
.hint {
  position: relative;
  border-bottom: 1px dotted var(--muted);
  cursor: help;
}
.hint::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 130%;
  left: 0;
  background: #0d1220;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: normal;
  line-height: 1.4;
  white-space: normal;
  width: 260px;
  box-shadow: 0 6px 16px rgba(0,0,0,.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .15s ease;
  z-index: 20;
}
.hint:hover::after, .hint:focus::after, .hint.tapped::after {
  opacity: 1;
  visibility: visible;
}
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.pill-list a, .pill-list span.pill {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
}
.pill-list a.active { background: var(--accent); border-color: var(--accent); }
.metric { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.metric:last-child { border-bottom: none; }
.bar { height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; margin-top: 4px; }
.bar > div { height: 100%; background: var(--accent); }
.bar.warn > div { background: var(--warn); }
.bar.danger > div { background: var(--danger); }
.icon-btn {
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  color: var(--text);
  line-height: 1;
}
.icon-btn:hover { opacity: 0.7; }
.banner {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.banner a { color: inherit; text-decoration: underline; }
a.banner { text-decoration: none; cursor: pointer; }
a.banner:hover { border-color: var(--accent); }
.actions-col { text-align: right; white-space: nowrap; }
.speed-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
}
.speed-dot.ok { background: var(--ok); }
.speed-dot.warn { background: var(--warn); }
.speed-dot.danger { background: var(--danger); }
.banner b { color: var(--text); }
.bulk-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.bulk-bar select { width: auto; margin-bottom: 0; }
.group-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.group-head input { margin-bottom: 0; max-width: 240px; }