* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f8fafc;
  color: #1e293b;
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
}
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
.status-offline { background: #fee2e2; color: #991b1b; }
.status-connecting { background: #fef3c7; color: #92400e; }
.status-online { background: #d1fae5; color: #065f46; }
.card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.card h3 {
  font-size: 14px;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.btn {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin: 8px 0;
}
.btn-primary { background: #2563eb; color: #fff; }
.btn-danger { background: #dc2626; color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.metric {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #e2e8f0;
}
.metric:last-child { border-bottom: none; }
.metric-label { color: #64748b; font-size: 14px; }
.metric-value { font-weight: 600; font-size: 14px; }
.job-card {
  background: #f1f5f9;
  border-radius: 8px;
  padding: 12px;
  margin: 8px 0;
}
.job-card .job-type {
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  text-transform: uppercase;
}
.receipt-card {
  background: #ecfdf5;
  border-radius: 8px;
  padding: 12px;
  margin: 8px 0;
  font-family: monospace;
  font-size: 12px;
  word-break: break-all;
}
#log {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 12px;
  font-family: monospace;
  font-size: 12px;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 16px;
}