:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --border: #dde2e8;
  --accent: #0b6bcb;
  --ok: #1a8a4a;
  --charging: #0b6bcb;
  --warn: #b26a00;
  --fault: #c62828;
  --offline: #8a94a3;
  --sim: #7b3fbf;
  --sim-bg: rgba(123, 63, 191, 0.06);
  --limit: #c62828;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1e232b;
    --text: #e6e9ee;
    --muted: #97a1ae;
    --border: #2a313b;
    --accent: #4da3ff;
    --ok: #3fbf74;
    --charging: #4da3ff;
    --warn: #e0a030;
    --fault: #ff6b6b;
    --offline: #6b7480;
    --sim: #b48cf0;
    --sim-bg: rgba(180, 140, 240, 0.07);
    --limit: #ff6b6b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 24px 0 10px; }
h3 { font-size: 14px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; }
.num { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* Cabecera */
header.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: 0.2px; color: var(--text); }
.env { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--warn); color: #fff; }
.env.prod { background: var(--fault); }
.navlink { font-weight: 600; font-size: 13px; padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); color: var(--text); }
.navlink:hover { text-decoration: none; border-color: var(--accent); }
.navlink.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.form-grid label { font-size: 12px; }
.form-grid .wide { grid-column: 1 / -1; }
.form-grid input, .form-grid select { width: 100%; }
.callout { border: 1px solid var(--ok); border-radius: 8px; padding: 12px 14px; background: rgba(26, 138, 74, 0.06); }
.callout.err { border-color: var(--fault); background: rgba(198, 40, 40, 0.06); }
.crumbs { flex: 1; color: var(--muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.crumbs a { color: var(--muted); }
.live { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--offline); }
.live.on::before { background: var(--ok); box-shadow: 0 0 0 3px rgba(26, 138, 74, 0.18); }
main { padding: 16px 20px 48px; max-width: 1400px; margin: 0 auto; }

/* Botones y formularios */
button, .btn {
  font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--panel);
  color: var(--text); padding: 6px 12px; border-radius: 6px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--fault); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 8px; min-width: 0;
}
textarea { font-family: var(--mono); font-size: 12px; width: 100%; min-height: 120px; }
label { display: inline-flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--muted); }
.row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; }
.seg button.on { background: var(--accent); color: #fff; }

/* Paneles */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 12px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 8px; }
.kpi .v { font-size: 26px; font-weight: 650; }
.kpi .l { color: var(--muted); font-size: 12px; }

/* Emplazamientos y cargadores */
.site { margin-bottom: 14px; }
.site-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.site-head .name { font-weight: 650; font-size: 15px; }
.meter { flex: 1; min-width: 200px; max-width: 420px; }
.bar { height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--charging); }
.bar.over > span { background: var(--fault); }
.meter .t { font-size: 12px; color: var(--muted); }
.chargers { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.charger {
  display: block; color: inherit; background: var(--panel); border: 1px solid var(--border);
  border-left: 4px solid var(--offline); border-radius: 8px; padding: 10px 12px;
}
.charger:hover { text-decoration: none; border-color: var(--accent); }
.charger.sim { border-style: dashed; border-left-style: solid; background: var(--sim-bg); }
.charger .id { font-weight: 650; display: flex; align-items: center; gap: 6px; }
.charger .power { font-size: 20px; font-weight: 600; margin: 4px 0 2px; }
.charger .meta { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.st-offline { border-left-color: var(--offline) !important; }
.st-available { border-left-color: var(--ok) !important; }
.st-charging { border-left-color: var(--charging) !important; }
.st-faulted { border-left-color: var(--fault) !important; }
.st-unavailable { border-left-color: var(--warn) !important; }

.badge { font-size: 10px; font-weight: 700; letter-spacing: 0.4px; padding: 1px 6px; border-radius: 4px; border: 1px solid currentColor; }
.badge.sim { color: var(--sim); }
.badge.real { color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.c-offline { color: var(--offline); }
.c-available { color: var(--ok); }
.c-charging { color: var(--charging); }
.c-faulted { color: var(--fault); }
.c-unavailable, .c-suspended { color: var(--warn); }
.dots { display: inline-flex; gap: 4px; }
.dot { width: 10px; height: 10px; border-radius: 3px; background: var(--offline); }
.dot.c-available { background: var(--ok); }
.dot.c-charging { background: var(--charging); }
.dot.c-faulted { background: var(--fault); }
.dot.c-suspended, .dot.c-unavailable { background: var(--warn); }

.legend-note { font-size: 12px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 14px 0 4px; }

/* Tablas */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--panel-2); }
tr.sel td { background: var(--panel-2); }
.scroll { max-height: 480px; overflow: auto; }
.msg-in { color: var(--charging); }
.msg-out { color: var(--ok); }
.msg-err { color: var(--fault); }
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
pre.json { margin: 4px 0 0; white-space: pre-wrap; word-break: break-all; font-family: var(--mono); font-size: 12px; background: var(--panel-2); padding: 8px; border-radius: 6px; }
.trunc { display: inline-block; max-width: 520px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }

/* Detalle de cargador */
.head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.head h1 { display: flex; align-items: center; gap: 10px; }
.head .facts { flex: 2 1 480px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px 16px; font-size: 13px; }
.facts dt { color: var(--muted); font-size: 11px; }
.facts dd { margin: 0; }
.conn { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.conn .big { font-size: 22px; font-weight: 650; }
.cmds .group { border-top: 1px solid var(--border); padding: 10px 0; }
.cmds .group:first-of-type { border-top: 0; padding-top: 0; }
.results { font-size: 12px; max-height: 180px; overflow: auto; }
.results div { padding: 3px 0; border-bottom: 1px dashed var(--border); }
.ok { color: var(--ok); }
.bad { color: var(--fault); }
.chart { width: 100%; min-height: 260px; }
.empty { color: var(--muted); padding: 12px 0; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login form { display: grid; gap: 12px; }
.login label { color: var(--text); font-size: 13px; }
.login input { width: 100%; }
.error { color: var(--fault); min-height: 1.2em; font-size: 13px; }

/* Puesta en marcha (página del instalador) */
body.setup main { max-width: 760px; display: grid; gap: 12px; }
body.setup h2 { margin: 0 0 6px; }
.small { font-size: 12px; }
.setup-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.progress { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 12px; }
.progress .bar { flex: 1; }
.progress .bar > span { background: var(--ok); }
.param { padding: 10px 0; border-top: 1px solid var(--border); }
.param .label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.param .line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.param .value { font-size: 15px; word-break: break-all; flex: 1 1 200px; }
.param .note { font-size: 12px; margin-top: 4px; word-break: break-all; }
button.copy { padding: 4px 10px; font-size: 12px; }
.steps { list-style: none; margin: 0; padding: 0; }
.step { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: start; padding: 10px 0; border-top: 1px solid var(--border); }
.step .title { font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.step .icon { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 13px; border: 2px solid var(--offline); color: var(--offline); }
.st-done .icon { background: var(--ok); border-color: var(--ok); color: #fff; }
.st-error .icon { background: var(--fault); border-color: var(--fault); color: #fff; }
.attempts { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow: auto; }
.attempts li { padding: 8px 10px; border-left: 3px solid var(--offline); margin-bottom: 6px; background: var(--panel-2); border-radius: 4px; }
.attempts li.ok { border-left-color: var(--ok); }
.attempts li.bad { border-left-color: var(--fault); }
.attempts li .line { display: flex; gap: 10px; flex-wrap: wrap; align-items: baseline; }
.attempts li.ok strong { color: var(--ok); }
.attempts li.bad strong { color: var(--fault); }
.attempts .hint { margin-top: 2px; color: var(--text); }
.link-box { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.link-box input { flex: 1 1 280px; font-family: var(--mono); font-size: 12px; }

/* uPlot en modo oscuro */
.u-legend { color: var(--text); font-size: 12px; }
.u-select { background: rgba(77, 163, 255, 0.15); }

@media (max-width: 640px) {
  .step { grid-template-columns: 28px 1fr; }
  .step > .mono { grid-column: 2; }
  main { padding: 12px 16px 40px; }
  .cols-2 { grid-template-columns: 1fr; }
  header.top { padding: 10px 16px; }
}