* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f1115;
  color: #e4e6eb;
  margin: 0;
  padding: 2rem;
}
.container { max-width: 720px; margin: 0 auto; }
h1, h2 { font-weight: 600; }
a { color: #4f9eff; }
.card {
  background: #1a1d24;
  border: 1px solid #2a2e38;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}
input, button {
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid #2a2e38;
  background: #0f1115;
  color: #e4e6eb;
  width: 100%;
  margin-bottom: 0.8rem;
}
button {
  background: #4f9eff;
  color: #0f1115;
  font-weight: 600;
  border: none;
  cursor: pointer;
  width: auto;
  padding: 0.6rem 1.4rem;
}
button:hover { background: #3d8bef; }
button.secondary { background: #2a2e38; color: #e4e6eb; }
.error { color: #ff6b6b; margin-bottom: 1rem; }
.status-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.status-connected { background: #1e4d2b; color: #4ade80; }
.status-disconnected { background: #4d1e1e; color: #ff6b6b; }
.status-qr_pending { background: #4d3e1e; color: #fbbf24; }
.status-error { background: #4d1e1e; color: #ff6b6b; }
.status-not_running { background: #2a2e38; color: #9aa0ab; }
table { width: 100%; border-collapse: collapse; }
td, th { text-align: left; padding: 0.6rem; border-bottom: 1px solid #2a2e38; }
.qr-box { text-align: center; padding: 1rem; background: white; border-radius: 8px; }
.event-log { font-family: monospace; font-size: 0.85rem; max-height: 300px; overflow-y: auto; }
.event-log div { padding: 0.3rem 0; border-bottom: 1px solid #2a2e38; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }