:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e6edf3;
  --muted: #8b98a5;
  --ok: #3fb950;
  --bad: #f85149;
  --accent: #2f81f7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, "Segoe UI", sans-serif;
}
main { max-width: 960px; margin: 0 auto; padding: 24px 16px; }
h1, h2 { font-weight: 600; }
h1 { font-size: 22px; }
h2 { font-size: 16px; margin: 24px 0 10px; }
.hidden { display: none; }
input, button {
  font: inherit;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #30363d;
  background: #0d1117;
  color: var(--text);
}
button { cursor: pointer; background: #21262d; }
button:hover { background: #30363d; }
form { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
label { color: var(--muted); }
.error { color: var(--bad); }
.info { color: var(--muted); word-break: break-all; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.card {
  background: var(--panel);
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 14px; }
.card .value { font-size: 18px; }
.card .meta { color: var(--muted); font-size: 12px; margin-top: 6px; word-break: break-all; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid #21262d; vertical-align: middle; }
select { font: inherit; padding: 6px; border-radius: 6px; background: #0d1117; color: var(--text); border: 1px solid #30363d; }
header { display: flex; justify-content: space-between; align-items: center; }