:root {
  --bg: #0f1116;
  --card: #161925;
  --text: #e8ecf5;
  --muted: #9aa0b5;
  --accent: #6dd3ff;
  --danger: #ff6b6b;
}
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid #1f2333;
}
nav a {
  color: var(--text);
  margin-left: 16px;
  text-decoration: none;
}
nav a:hover {
  color: var(--accent);
}
main { padding: 20px; }
 h1, h2 { margin: 0 0 12px 0; }
 table {
   width: 100%;
   border-collapse: collapse;
   background: var(--card);
   border: 1px solid #1f2333;
 }
 th, td {
   padding: 10px;
   border-bottom: 1px solid #1f2333;
   vertical-align: top;
 }
 th { text-align: left; color: var(--muted); }
 pre { white-space: pre-wrap; margin: 0; color: var(--muted); }
 .ok { color: #6de59b; }
 .fail { color: var(--danger); }
 form label { display: block; margin: 6px 0; }
 form input { padding: 6px; width: 280px; }
button {
  background: var(--accent);
  color: #041627;
  border: none;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
}
button:hover { filter: brightness(1.05); }
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.muted { color: var(--muted); }
footer {
  padding: 10px 20px;
  color: var(--muted);
}