* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  background: #0f1419;
  color: #e6e6e6;
  margin: 0;
  padding: 0 1.5em 4em;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1em 0;
  border-bottom: 1px solid #2a313a;
  margin-bottom: 1.5em;
}
header h1 { margin: 0; font-size: 1.4em; }
a { color: #6cb2ff; text-decoration: none; }
a:hover { text-decoration: underline; }
.card {
  background: #1a1f26;
  border: 1px solid #2a313a;
  border-radius: 8px;
  padding: 1em 1.25em;
  margin-bottom: 1.25em;
}
.card h2 { margin-top: 0; font-size: 1.1em; }
.muted { color: #8a95a3; font-size: 0.9em; }
.kv { width: 100%; border-collapse: collapse; }
.kv td { padding: 4px 8px; }
.kv td:first-child { color: #8a95a3; width: 200px; }
code { background: #0c1015; padding: 2px 5px; border-radius: 3px; }
.dot {
  display: inline-block;
  width: 10px; height: 10px; border-radius: 50%;
  margin-right: 6px; vertical-align: middle;
}
.dot.green  { background: #2ecc71; box-shadow: 0 0 6px #2ecc71aa; }
.dot.yellow { background: #f1c40f; box-shadow: 0 0 6px #f1c40faa; }
.dot.red    { background: #e74c3c; box-shadow: 0 0 6px #e74c3caa; }
.health { list-style: none; padding: 0; margin: 0; }
.health li { padding: 4px 0; }
.users { width: 100%; border-collapse: collapse; font-size: 0.9em; }
.users th, .users td {
  padding: 6px 8px;
  border-bottom: 1px solid #2a313a;
  text-align: left;
}
.users th { background: #0c1015; color: #8a95a3; font-weight: 600; }
.users tr:hover { background: #131820; }
.actions form { margin: 0; }
.actions button { font-size: 0.8em; }
button, .btn {
  background: #2a313a;
  color: #e6e6e6;
  border: 1px solid #3a414a;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: #3a414a; }
button.primary, .btn.primary { background: #2960c4; border-color: #2960c4; }
button.danger { background: #c0392b; border-color: #c0392b; }
input, textarea {
  background: #0c1015;
  color: #e6e6e6;
  border: 1px solid #2a313a;
  border-radius: 4px;
  padding: 6px 8px;
  width: 100%;
  font-family: inherit;
}
textarea { font-family: ui-monospace, "Cascadia Mono", Menlo, monospace; font-size: 0.85em; }
label { display: block; margin-bottom: 0.8em; }
label > input { margin-top: 4px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin: 0.8em 0; }
.error {
  background: #c0392b33;
  border: 1px solid #c0392b;
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 1em;
}
.warn {
  background: #f1c40f22;
  border: 1px solid #f1c40f;
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 1em;
}
#qrimg { max-width: 320px; image-rendering: pixelated; }