:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1b1f27;
  --muted: #667085;
  --ok: #1a7f4b;
  --ok-bg: #e7f5ee;
  --warn: #a15c00;
  --warn-bg: #fdf3e2;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --accent: #2f5bd3;
  --bar: #e9ecf1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --border: #262c38;
    --text: #e6e9ef;
    --muted: #8b93a5;
    --ok: #4cc38a;
    --ok-bg: #12261c;
    --warn: #f0a63a;
    --warn-bg: #2a1f0e;
    --bad: #f47067;
    --bad-bg: #2c1514;
    --accent: #7c9cff;
    --bar: #252b36;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 10px; font-weight: 600; }
.muted { color: var(--muted); }
p { margin: 2px 0 0; }

.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 16px; max-width: 1200px; margin: 0 auto;
}
main { max-width: 1200px; margin: 0 auto; padding: 0 16px 40px; }
section { margin-top: 24px; }
#updated { font-size: 13px; }

button {
  font: inherit; border: 0; border-radius: 8px; padding: 9px 16px;
  background: var(--accent); color: #fff; cursor: pointer; font-weight: 600;
}
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 6px 12px; font-weight: 500; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.kpis, .grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.kpis { margin-top: 4px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px;
  border-left-width: 4px; border-left-color: var(--border);
}
.card.ok { border-left-color: var(--ok); }
.card.warn { border-left-color: var(--warn); background: var(--warn-bg); }
.card.bad { border-left-color: var(--bad); background: var(--bad-bg); }
.card-label { font-size: 13px; color: var(--muted); }
.card-value { font-size: 26px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.card-detail { font-size: 13px; color: var(--muted); margin-top: 4px; }
.card-hint { font-size: 13px; margin-top: 6px; font-weight: 600; }
.card.warn .card-hint { color: var(--warn); }
.card.bad .card-hint { color: var(--bad); }
.bar { height: 6px; background: var(--bar); border-radius: 3px; margin-top: 8px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.card.warn .bar span { background: var(--warn); }
.card.bad .bar span { background: var(--bad); }
.card.ok .bar span { background: var(--ok); }

.services { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.svc {
  display: flex; align-items: center; gap: 8px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
.svc.bad { background: var(--bad-bg); border-color: var(--bad); }
.svc-name { flex: 1; font-weight: 550; }
.svc-meta { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); flex: none; }
.svc.bad .dot { background: var(--bad); }

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
td.name { font-weight: 600; white-space: normal; }
td.pos { color: var(--ok); font-weight: 700; }
td.warn { color: var(--warn); font-weight: 700; }
td.bad { color: var(--bad); }

.online { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.online li { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.online li:last-child { border-bottom: 0; }
.u-name { font-weight: 600; }

/* Celular: tabela vira lista de cartões */
@media (max-width: 720px) {
  .top { padding: 14px 16px; }
  .card-value { font-size: 22px; }
  .table-wrap { overflow: visible; background: transparent; border: 0; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 10px; padding: 6px 0; }
  td { border: 0; padding: 4px 12px; display: flex; justify-content: space-between; gap: 12px; white-space: normal; text-align: right; }
  td::before { content: attr(data-label); color: var(--muted); font-weight: 500; text-align: left; }
  td.name { font-size: 16px; text-align: left; }
  td.name::before { content: none; }
}

/* Login */
body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-box {
  width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
}
.login-box form { display: grid; gap: 14px; margin-top: 18px; }
.login-box label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.login-box input {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; width: 100%;
}
.err { color: var(--bad); background: var(--bad-bg); border-radius: 8px; padding: 8px 10px; margin-top: 14px; font-size: 14px; }