:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242d;
  --fg: #e6e8ec;
  --muted: #8b93a7;
  --accent: #4f8cff;
  --ok: #2ecc71;
  --warn: #f1c40f;
  --err: #e74c3c;
  --border: #2a2f3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; color: var(--fg); }
.topbar nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.topbar form.inline { display: inline; }
button.link {
  background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit;
}
main { max-width: 960px; margin: 0 auto; padding: 24px 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; margin-bottom: 20px; }
.card.narrow { max-width: 380px; margin: 60px auto; }
h1 { margin-top: 0; font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 24px; }
label { display: block; margin: 12px 0; color: var(--muted); font-size: 0.85rem; }
label input, label select, label textarea {
  display: block; width: 100%; margin-top: 4px;
  background: var(--panel-2); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
  font: inherit;
}
button.primary, button.secondary, button.danger {
  border: none; border-radius: 6px; padding: 9px 14px; cursor: pointer; font: inherit;
}
button.primary { background: var(--accent); color: white; }
button.secondary { background: var(--panel-2); color: var(--fg); border: 1px solid var(--border); }
button.danger { background: var(--err); color: white; }
button:disabled { opacity: 0.6; cursor: not-allowed; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.alert { padding: 10px 12px; border-radius: 6px; margin: 12px 0; }
.alert.error { background: rgba(231,76,60,0.15); color: #ffb3a8; border: 1px solid rgba(231,76,60,0.3); }
.alert.ok { background: rgba(46,204,113,0.15); color: #b8f0c8; border: 1px solid rgba(46,204,113,0.3); }
.alert.warn { background: rgba(241,196,15,0.15); color: #ffe79a; border: 1px solid rgba(241,196,15,0.3); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--muted); }
.badge.ok { background: rgba(46,204,113,0.15); color: #b8f0c8; }
.badge.err { background: rgba(231,76,60,0.15); color: #ffb3a8; }
.badge.warn { background: rgba(241,196,15,0.15); color: #ffe79a; }
.badge.muted { background: var(--panel-2); color: var(--muted); }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left;
  font-size: 0.9rem; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) {
  .grid-2 { grid-template-columns: 1fr; }
  main { padding: 16px 12px; }
}
.muted { color: var(--muted); }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; }
.kv > div:nth-child(odd) { color: var(--muted); }
hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }