:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #0d1117;
  color: #e6edf3;
}
.wrap { max-width: 520px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 26px; margin-bottom: 2px; }
.muted { color: #8b949e; font-size: 14px; }
.card {
  margin-top: 20px;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 16px;
}
.card h2 { margin: 0 0 4px; font-size: 18px; }
#status { margin: 12px 0; font-size: 14px; }
button {
  background: #238636;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  margin-right: 8px;
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: #2ea043; }
pre { background: #0d1117; border: 1px solid #30363d; border-radius: 6px; padding: 10px; overflow: auto; max-height: 320px; }