:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #6b7384;
  --line: #e3e6eb;
  --accent: #1f5fbf;
  --ok: #17803d;
  --warn: #b26b00;
  --bad: #b3261e;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 24px; background: #111827; color: #e5e7eb;
}
.topbar a { color: #e5e7eb; }
.topbar .brand { font-weight: 700; letter-spacing: .04em; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar .logout { display: flex; gap: 12px; align-items: center; }
.topbar .muted { color: #9ca3af; }

main { max-width: 1200px; margin: 0 auto; padding: 16px 24px 48px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px; margin-bottom: 16px; overflow-x: auto;
}
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; align-items: start; }
.muted { color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
audio { height: 30px; max-width: 260px; }

form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
form.stack { display: grid; gap: 10px; }
label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); }
input, select {
  font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--text);
}
button, .button {
  font: inherit; padding: 6px 14px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; display: inline-block;
}
button.secondary { background: #fff; color: var(--accent); }
button.danger { background: var(--bad); border-color: var(--bad); }
button.link { background: none; border: none; padding: 0; color: var(--accent); }
.topbar button.link { color: #e5e7eb; }
button.link.danger { color: var(--bad); }
.danger-zone { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }

.status { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: #eef0f3; color: var(--muted); }
.status.active { background: #e3f4e8; color: var(--ok); }
.status.suspended { background: #fdf1dc; color: var(--warn); }
.status.disabled { background: #fbe4e2; color: var(--bad); }

.notice { background: #e8f0fc; border: 1px solid #c9dbf7; padding: 8px 12px; border-radius: 6px; }
.error { background: #fbe4e2; border: 1px solid #f1c3bf; color: var(--bad); padding: 8px 12px; border-radius: 6px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: 8px; padding: 12px; display: grid; }
.tile.ok { border-left-color: var(--ok); }
.tile.down { border-left-color: var(--bad); }
.tile .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.tile .value { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }

.login { max-width: 360px; margin: 12vh auto; }
.login form { display: grid; gap: 12px; }
dl.credentials { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 16px; }
dl.credentials dt { color: var(--muted); }
dl.credentials dd { margin: 0; }
details.edit summary { cursor: pointer; color: var(--accent); }
code.details { white-space: pre-wrap; word-break: break-all; }