:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e3e6ea;
  --text: #1a1d23;
  --muted: #687080;
  --accent: #2f5bea;
  --accent-text: #ffffff;
  --critical: #c8312b;
  --critical-bg: #fdecea;
  --warning: #a86100;
  --warning-bg: #fff3e0;
  --info: #2f5bea;
  --info-bg: #e9efff;
  --ok: #1b7f4b;
  --ok-bg: #e5f5ec;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1e222a;
    --border: #2a2f39;
    --text: #e7e9ee;
    --muted: #9198a6;
    --accent: #6b8cff;
    --accent-text: #0f1115;
    --critical: #ff7b72;
    --critical-bg: #3a1a19;
    --warning: #f0b45a;
    --warning-bg: #3a2a12;
    --info: #8aa4ff;
    --info-bg: #1c2645;
    --ok: #5fd39a;
    --ok-bg: #143224;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; color: inherit; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--accent); color: var(--accent-text);
}
h1 { font-size: 16px; margin: 0; font-weight: 600; }
.sub { margin: 0; color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.live { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }

main { max-width: 1280px; margin: 0 auto; padding: 24px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 4px;
  border-top: 3px solid var(--muted);
}
.kpi.critical { border-top-color: var(--critical); }
.kpi.info { border-top-color: var(--info); }
.kpi.ok { border-top-color: var(--ok); }
.kpi-label { color: var(--muted); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.kpi-value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.tabs { display: flex; gap: 4px; background: var(--surface-2); padding: 3px; border-radius: 8px; }
.tab { border: 0; background: none; padding: 6px 12px; border-radius: 6px; cursor: pointer; color: var(--muted); font-weight: 500; }
.tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.toolbar-right { display: flex; gap: 8px; align-items: center; }
input[type=search] {
  width: 240px; padding: 7px 10px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--surface);
}
input[type=search]:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.btn {
  border: 1px solid var(--border); background: var(--surface);
  padding: 7px 12px; border-radius: 7px; cursor: pointer; font-weight: 500; white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.link { border: 0; background: none; color: var(--muted); padding: 4px 6px; }
.btn.link:hover:not(:disabled) { color: var(--text); background: none; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); background: var(--surface-2); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
tr.is-done td { color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.chk { width: 36px; }
.actions-col { width: 1%; white-space: nowrap; text-align: right; }
.cust-name { font-weight: 600; }
.meta { color: var(--muted); font-size: 12px; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 12px; }
.bad { color: var(--critical); font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.critical { color: var(--critical); background: var(--critical-bg); }
.badge.warning { color: var(--warning); background: var(--warning-bg); }
.badge.rebooting { color: var(--info); background: var(--info-bg); }
.badge.rebooting::before { animation: pulse 1s ease-in-out infinite; }
.badge.done { color: var(--ok); background: var(--ok-bg); }
.badge.dismissed { color: var(--muted); background: var(--surface-2); }
@keyframes pulse { 50% { opacity: .2; } }

.empty { padding: 48px; text-align: center; color: var(--muted); }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px;
  opacity: 0; transition: .2s; pointer-events: none; font-weight: 500;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 860px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  main { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .toolbar-right { width: 100%; }
  input[type=search] { flex: 1; width: auto; }
  .hide-sm { display: none; }
}