:root {
  --bg: #f4f6f8; --card: #fff; --ink: #1d2733; --muted: #66727f; --line: #dde3e8;
  --accent: #0b6bcb; --good: #1a7f37; --bad: #c62828; --warn: #b26a00;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); }
.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: #13202d; color: #fff; flex-wrap: wrap; }
.top a { color: #cfe3f7; text-decoration: none; }
.brand { font-weight: 700; font-size: 17px; color: #fff !important; }
.brand span { font-weight: 400; opacity: .7; }
#nav { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; }
#nav a.on { color: #fff; border-bottom: 2px solid #fff; }
.right { display: flex; gap: 10px; align-items: center; }
.right select { background: #22323f; color: #fff; border: 1px solid #3a4a58; border-radius: 4px; padding: 2px 4px; }
main { max-width: 1180px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 6px 0 14px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.tiny { font-size: 12.5px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12.5px; background: #e8edf2; white-space: nowrap; }
.pill.good { background: #dcf3e2; color: var(--good); }
.pill.bad { background: #fde2e2; color: var(--bad); }
.pill.warn { background: #fff0d6; color: var(--warn); }
.lv-alarm, .lv-error { color: var(--bad); font-weight: 600; }
.lv-warning { color: var(--warn); }
.btn { display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 6px; padding: 6px 12px; cursor: pointer; font: inherit; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
label.field { display: block; margin-bottom: 10px; }
label.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 3px; }
input[type=text], input[type=password], input[type=email], select, textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; width: 100%; max-width: 420px; background: #fff; }
textarea { max-width: 100%; min-height: 120px; font-family: ui-monospace, monospace; font-size: 12.5px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.mono { font-family: ui-monospace, monospace; }
.login { max-width: 380px; margin: 40px auto; }
.error { color: var(--bad); min-height: 1.2em; }
#toast { position: fixed; bottom: 16px; inset-inline-start: 50%; transform: translateX(-50%); background: #13202d; color: #fff; padding: 8px 16px; border-radius: 6px; }
#toast.bad { background: var(--bad); }
.checks label { display: inline-block; margin-inline-end: 12px; }
@media (max-width: 640px) { .hide-sm { display: none; } }