:root {
  --ink: #1f2328;
  --muted: #57606a;
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #d0d7de;
  --green: #1a7f37;
  --amber: #bf8700;
  --red: #cf222e;
  --grey: #8b949e;
  --accent: #0969da;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.brand { font-weight: 700; letter-spacing: .2px; }
.nav { display: flex; gap: 18px; }
.nav a { color: var(--accent); text-decoration: none; font-weight: 500; }
.nav a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 24px; }
h1 { font-size: 20px; margin: 0 0 16px; }

.flash {
  background: #ddf4ff;
  border: 1px solid #54aeff;
  color: #0a3069;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}

/* count tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 8px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}
.tile .num { font-size: 28px; font-weight: 700; }
.tile .lbl { color: var(--muted); font-size: 13px; }
.tile-green { border-left-color: var(--green); }
.tile-amber { border-left-color: var(--amber); }
.tile-red   { border-left-color: var(--red); }
.tile-grey  { border-left-color: var(--grey); }
.tile-na    { border-left-color: #c9d1d9; opacity: .8; }

/* cards + tables */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.grid th {
  background: #f6f8fa;
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .3px;
}
table.grid tr:last-child td { border-bottom: none; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.note { margin-top: -8px; margin-bottom: 16px; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* status dot */
.dot {
  display: inline-block;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--grey);
}
.dot-green { background: var(--green); }
.dot-amber { background: var(--amber); }
.dot-red   { background: var(--red); }
.dot-unknown { background: var(--grey); }
.dot-na { background: #c9d1d9; }

/* badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-active { background: #dafbe1; color: var(--green); }
.badge-paused { background: #fff1e5; color: var(--amber); }

/* audit validity + warnings */
.ok { color: var(--green); font-weight: 600; }
.ko { color: var(--red); font-weight: 600; }
.warn-list { margin: 0; padding-left: 16px; }
.warn { color: var(--amber); }

/* buttons + forms */
button {
  font: inherit;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { background: #0860ca; }
button:disabled { background: var(--grey); cursor: not-allowed; }

.config-row { display: none; }
.config-row:target { display: table-row; }
.dns-form { padding: 8px 0; }
.dns-form .fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 10px 0;
}
.dns-form label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 4px; }
.dns-form input {
  font: inherit;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}

/* login */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-card .brand { font-size: 18px; text-align: center; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
}
.error-note {
  background: #ffebe9;
  border: 1px solid #ff818266;
  color: var(--red);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
}