body {
  width: 300px;
  margin: 0;
  padding: 14px 16px;
  font: 12px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1d24;
  background: #fff;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.popup-header img {
  border-radius: 8px;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

h1 {
  font-size: 14px;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.version {
  margin: 2px 0 0;
  color: #6b7280;
  font-size: 11px;
}

.conn-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 10px;
  border: 1px solid #e2e5eb;
  background: #f8f9fb;
  color: #5c6470;
  word-break: break-all;
}

.conn-status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8b939e;
  flex-shrink: 0;
}

.conn-status--ok {
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
  border-color: rgba(22, 163, 74, 0.25);
}

.conn-status--ok::before { background: #16a34a; }

.conn-status--idle::before { background: #d97706; }

.hint {
  margin: 0 0 10px;
  color: #374151;
  font-size: 12px;
}

.tips {
  margin: 0;
  padding-left: 18px;
  color: #4b5563;
  font-size: 11px;
}

.tips li { margin-bottom: 4px; }

@media (prefers-color-scheme: dark) {
  body { background: #22262e; color: #e8eaed; }
  .version, .tips { color: #9aa3af; }
  .hint { color: #d1d5db; }
  .conn-status {
    background: #2a2f38;
    border-color: #3a404c;
    color: #9aa3af;
  }
}