:root {
  --bg: #eef3f7; --surface: #fff; --ink: #0b2540; --muted: #5b6b7c; --border: #d6e0ea;
  --brand: #0077b6; --brand-2: #00b4d8; --ok-bg: #e3f7ee; --ok: #0f6b47;
  --warn-bg: #fff4d6; --warn: #7a5200; --err-bg: #fde8e8; --err: #a1261e; --crit: #7a0f0a;
  --radius: 14px; font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0c1622; --surface: #13212f; --ink: #e5eef7; --muted: #93a6b8; --border: #243548;
    --ok-bg: #0f2f24; --ok: #7fe0b3; --warn-bg: #33290f; --warn: #ffd166; --err-bg: #3a1616; --err: #ff9a8f; --crit: #ffb4ab; }
}
* { box-sizing: border-box; }
body { margin: 0; padding: 16px; background: var(--bg); color: var(--ink); font-size: 15px; }
body.centro { min-height: 100vh; display: grid; place-items: center; }
h1 { margin: 2px 0 0; font-size: 1.35rem; }
h2 { margin: 0 0 6px; font-size: 1.1rem; }
.eyebrow { color: var(--brand); font-weight: 700; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.btns { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.b { font: inherit; border: 1px solid var(--border); background: var(--surface); color: var(--ink); border-radius: 10px; padding: 8px 14px; cursor: pointer; }
.b:hover { border-color: var(--brand); }
.b.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border: 0; }
.b.peq { padding: 4px 10px; font-size: .85rem; }
.b:disabled { opacity: .6; cursor: default; }
.f { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--muted); }
.f input, .f select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; min-width: 0; }
.login { width: min(360px, 100%); display: flex; flex-direction: column; gap: 12px; }
.msg.err { color: var(--err); min-height: 1em; margin: 0; }
.estado { border-radius: var(--radius); padding: 10px 14px; margin-bottom: 12px; font-weight: 600; background: var(--surface); border: 1px solid var(--border); }
.estado.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.estado.alerta { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.filtros { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 12px; }
.filtros .grow { flex: 1 1 220px; }
.acciones { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chk { display: flex; gap: 6px; align-items: center; font-size: .85rem; color: var(--muted); }
.tabla-wrap { padding: 0; overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tabla th { text-align: left; position: sticky; top: 0; background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 12px; font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tabla td { padding: 7px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tabla td:first-child { white-space: nowrap; font-variant-numeric: tabular-nums; }
.tabla td:nth-child(2) { white-space: nowrap; color: var(--muted); }
.tabla td:last-child { word-break: break-word; font-family: Consolas, "Cascadia Mono", monospace; font-size: .84rem; }
.tabla tr.warn td { background: var(--warn-bg); }
.tabla tr.err td { background: var(--err-bg); color: var(--err); }
.tabla tr.crit td { background: var(--err-bg); color: var(--crit); font-weight: 700; }
.vacio { padding: 16px; margin: 0; }
.mas { margin: 12px; }
dialog { width: min(640px, calc(100% - 32px)); color: var(--ink); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.fila-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-top: 12px; }
.der { display: flex; justify-content: flex-end; margin-top: 8px; }
@media (max-width: 640px) {
  body { padding: 12px; }
  .tabla td:nth-child(2) { display: none; } .tabla th:nth-child(2) { display: none; }
  .filtros .f { flex: 1 1 140px; }
}