body {
  width: 520px;
  margin: 0;
  padding: 14px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #111;
  color: #f5f5f5;
}
h1 { font-size: 18px; margin: 0 0 10px; }
h2 { font-size: 14px; margin: 16px 0 6px; }
p { color: #bbb; font-size: 12px; line-height: 1.45; }
code { color: #cde; }
.status {
  padding: 8px;
  border-radius: 6px;
  background: #252525;
  margin-bottom: 8px;
  line-height: 1.4;
}
.status.ok { background: #12381e; }
.status.error { background: #4a1515; }
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 8px;
}
button {
  border: 0;
  border-radius: 6px;
  background: #e7e7e7;
  color: #111;
  padding: 8px 10px;
  margin: 0;
  cursor: pointer;
}
.row { display: flex; gap: 6px; }
input {
  flex: 1;
  min-width: 0;
  border: 1px solid #444;
  background: #050505;
  color: #fff;
  border-radius: 6px;
  padding: 8px;
}
ul { padding: 0; margin: 8px 0 0; list-style: none; }
li { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: #1d1d1d; border-radius: 6px; padding: 6px 8px; margin: 5px 0; }
li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
li button { padding: 4px 6px; margin: 0; }
.diagnostic {
  margin: 8px 0;
  color: #cfcfcf;
  font-size: 12px;
  line-height: 1.4;
}
textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: 260px;
  resize: vertical;
  border: 1px solid #333;
  border-radius: 6px;
  background: #050505;
  color: #e8e8e8;
  padding: 10px;
  font: 11px/1.45 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  white-space: pre;
}
