:root {
  --bg: #f4f6f8; --card: #fff; --ink: #18212b; --muted: #66727f; --line: #dde3e9;
  --accent: #0b6bcb; --ok: #1f9d55; --warn: #d97706; --crit: #d32f2f; --info: #2563eb;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141a; --card: #18202a; --ink: #e6edf3; --muted: #93a1af; --line: #2a3542; --accent: #4ea1ff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 4px; }
nav button { background: none; color: var(--muted); border: 0; }
nav button.on { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
main { max-width: 1150px; margin: 0 auto; padding: 16px; }
h2 { font-size: 18px; margin: 0; }
.bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin: 20px 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.narrow { max-width: 380px; margin: 60px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
button, .btn { font: inherit; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
button.ghost { background: transparent; color: var(--accent); }
button.small { padding: 3px 10px; font-size: 13px; }
button.danger { background: transparent; border-color: var(--crit); color: var(--crit); }
input, select, textarea { font: inherit; padding: 7px 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); width: 100%; }
label { display: block; margin: 8px 0; color: var(--muted); font-size: 13px; }
label input, label select, label textarea { margin-top: 3px; color: var(--ink); font-size: 15px; }
form.inline { display: flex; gap: 8px; }
form.inline input { width: 220px; }
.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--crit); min-height: 1em; }
.st-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.st-name { font-weight: 650; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.pill.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.pill.bad { background: color-mix(in srgb, var(--crit) 18%, transparent); color: var(--crit); }
.pill.idle { background: var(--line); color: var(--muted); }
.progs { margin: 8px 0 0; padding: 0; list-style: none; font-size: 13px; }
.progs li { display: flex; gap: 6px; padding: 2px 0; }
.tanks { margin-top: 8px; font-size: 13px; }
.tank { display: grid; grid-template-columns: 70px 1fr 48px; gap: 6px; align-items: center; margin: 3px 0; }
.meter { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--ok); }
.meter i.low { background: var(--warn); }
.alert { display: grid; grid-template-columns: 6px 1fr auto; gap: 12px; align-items: center; margin-bottom: 8px; }
.alert .sev { align-self: stretch; border-radius: 3px; }
.sev.C { background: var(--crit); } .sev.W { background: var(--warn); } .sev.I { background: var(--info); }
.alert .t { font-weight: 600; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.table-wrap { overflow-x: auto; }
.client { margin-bottom: 14px; }
.client h3 { margin: 0 0 8px; font-size: 16px; display: flex; gap: 10px; align-items: center; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; padding: 8px 0; border-top: 1px solid var(--line); }
.row .acts { display: flex; gap: 6px; flex-wrap: wrap; }
code.key { display: block; padding: 10px; background: var(--bg); border-radius: 8px; word-break: break-all; user-select: all; }
dialog { border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: var(--ink); width: min(520px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog .actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.qr { background: #fff; padding: 10px; border-radius: 10px; display: flex; justify-content: center; }
.qr svg { width: 260px; height: 260px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.checks label { display: flex; gap: 6px; align-items: center; margin: 0; color: var(--ink); font-size: 14px; }
.checks input { width: auto; margin: 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.empty { padding: 18px; text-align: center; color: var(--muted); }