* { box-sizing: border-box; }
body {
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: #0f1115;
  color: #e6e6e6;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #171a21;
  border-bottom: 1px solid #232732;
}
.brand {
  color: #7cb2ff;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: 0.5px;
}
nav { display: flex; gap: 16px; align-items: center; }
nav a { color: #cfd2d7; text-decoration: none; }
nav a:hover { color: #fff; }
nav .user { color: #888; font-size: 12px; }
form.inline { display: inline; }
.container { max-width: 1000px; margin: 0 auto; padding: 24px 20px; }
h1 { margin: 0 0 16px; font-size: 22px; }
h2 { margin: 24px 0 12px; font-size: 16px; color: #9aa0aa; font-weight: 600; }
.muted { color: #7a808b; }
.flashes { margin-bottom: 16px; }
.flash { padding: 10px 12px; border-radius: 6px; margin-bottom: 8px; }
.flash-success { background: #1f3a2a; color: #8fe6ad; }
.flash-error   { background: #3a1f22; color: #ff9aa2; }
table.fleet { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
table.fleet th, table.fleet td {
  padding: 10px 12px; border-bottom: 1px solid #232732; text-align: left; vertical-align: middle;
}
table.fleet th { color: #9aa0aa; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
code { background: #1a1d25; padding: 2px 6px; border-radius: 4px; font-size: 12px; color: #cfd2d7; }
.status { padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.status-online      { background: #1f3a2a; color: #8fe6ad; }
.status-stale       { background: #3a2f1f; color: #e6c98f; }
.status-offline     { background: #3a1f22; color: #ff9aa2; }
.status-never_seen  { background: #232732; color: #888; }
.status-unknown     { background: #232732; color: #888; }
.metric { font-variant-numeric: tabular-nums; }
.m-warn      { color: #ff9aa2; font-weight: 600; }
.m-warn-mild { color: #e6c98f; }
.small { font-size: 11px; }
button, .btn {
  padding: 6px 12px; border-radius: 6px; border: 1px solid #353a47;
  background: #1a1d25; color: #e6e6e6; cursor: pointer; font-size: 13px;
  text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: #232732; }
button.link { border: 0; background: none; padding: 0; color: #7cb2ff; }
button.danger { border-color: #6b2228; color: #ff9aa2; }
button.danger:hover { background: #3a1f22; }
input[type=text], input[type=password] {
  padding: 8px 10px; border-radius: 6px; border: 1px solid #353a47;
  background: #0f1115; color: #e6e6e6; font-size: 13px;
}
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.login-card {
  max-width: 340px; margin: 80px auto; padding: 32px;
  background: #171a21; border: 1px solid #232732; border-radius: 10px;
}
.login-card h1 { margin-bottom: 20px; }
.login-card label { display: block; margin-bottom: 14px; color: #9aa0aa; font-size: 12px; }
.login-card input { display: block; width: 100%; margin-top: 4px; }
.login-card button { width: 100%; padding: 10px; background: #2d5da9; border-color: #2d5da9; color: #fff; }
.login-card button:hover { background: #3672c9; }