/* The Observatory — restrained instrument-console styling. */
:root {
  --bg: #f3f1ea;
  --panel: #fbfaf6;
  --ink: #1d2126;
  --muted: #5d6670;
  --rule: #cfcabd;
  --accent: #1f4e79;
  --ok: #2e7d4f;
  --warn: #b7791f;
  --bad: #b23a3a;
  --idle: #8a8f96;
  --chart: #1f4e79;
  --gap: rgba(93, 102, 112, 0.08);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1116;
    --panel: #151a21;
    --ink: #e2e5e9;
    --muted: #8d96a1;
    --rule: #2a313b;
    --accent: #8fb8de;
    --ok: #5cc28a;
    --warn: #e0a84a;
    --bad: #e06c6c;
    --idle: #6c737c;
    --chart: #8fb8de;
    --gap: rgba(141, 150, 161, 0.08);
  }
}
:root[data-theme="dark"] {
  --bg: #0e1116; --panel: #151a21; --ink: #e2e5e9; --muted: #8d96a1; --rule: #2a313b;
  --accent: #8fb8de; --ok: #5cc28a; --warn: #e0a84a; --bad: #e06c6c; --idle: #6c737c; --chart: #8fb8de;
  --gap: rgba(141, 150, 161, 0.08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--sans);
  font-variant-numeric: tabular-nums;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.92em; }

.masthead {
  padding: 28px 16px 18px;
  border-bottom: 3px double var(--rule);
  text-align: center;
}
.designation {
  font: 600 11px/1.3 var(--sans);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  margin: 10px 0 4px;
  font: 400 clamp(30px, 6vw, 52px)/1.05 var(--serif);
  letter-spacing: 0.18em;
}
.subtitle { margin: 0; font: italic 16px/1.4 var(--serif); }
.tagline { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.clock { margin-top: 10px; font: 12px var(--mono); color: var(--muted); }

.subsystems {
  list-style: none;
  margin: 16px auto 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  max-width: 1100px;
}
.subsystems li { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.sname { color: var(--muted); }

.lamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.lamp i { width: 8px; height: 8px; border-radius: 50%; background: var(--idle); box-shadow: 0 0 0 2px color-mix(in srgb, var(--idle) 25%, transparent); }
.lamp.ok i { background: var(--ok); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ok) 25%, transparent); }
.lamp.warn i { background: var(--warn); box-shadow: 0 0 0 2px color-mix(in srgb, var(--warn) 25%, transparent); }
.lamp.bad i { background: var(--bad); box-shadow: 0 0 0 2px color-mix(in srgb, var(--bad) 25%, transparent); }

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 16px 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
#registry, #rng, #events, #telemetry { grid-column: 1 / -1; }

.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 14px 16px 16px;
  min-width: 0;
}
.panel > header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.panel h2 { margin: 0; font: 600 13px/1.2 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; }
.code { font: 600 11px var(--mono); color: var(--accent); border: 1px solid var(--accent); padding: 1px 5px; }
.panel h3 { font: 600 12px var(--sans); letter-spacing: 0.08em; text-transform: uppercase; margin: 14px 0 6px; }
.note { margin: 12px 0 0; font-size: 12px; color: var(--muted); border-top: 1px dotted var(--rule); padding-top: 8px; }
.sub { color: var(--muted); font-size: 12px; }
.big { font: 600 18px var(--mono); margin-left: 6px; color: var(--ink); }
.empty { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; color: var(--muted); }
.empty p { margin: 0; }
.tag { font: 600 10px var(--mono); letter-spacing: 0.08em; border: 1px solid var(--rule); padding: 1px 4px; }

.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font: 600 11px var(--sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--rule); padding: 6px 8px; }
td { border-bottom: 1px dotted var(--rule); padding: 7px 8px; vertical-align: top; }
td.num, th.num { text-align: right; font-family: var(--mono); }
td.err { color: var(--bad); font-size: 12px; max-width: 280px; overflow-wrap: anywhere; }

dl.readouts { margin: 0; display: grid; gap: 0; }
.kv { display: grid; grid-template-columns: minmax(130px, 42%) 1fr; gap: 10px; padding: 5px 0; border-bottom: 1px dotted var(--rule); }
.kv dt { color: var(--muted); font-size: 12px; }
.kv dd { margin: 0; font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; }

.camera { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 14px; }
.camera + .camera { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--rule); }
figure { margin: 0; }
.camera img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); background: #000; }
.camera figcaption, .chartbox figcaption { font: 11px var(--mono); color: var(--muted); margin-top: 4px; }
.noimg { aspect-ratio: 16 / 9; display: grid; place-items: center; border: 1px dashed var(--rule); font: 600 11px var(--mono); color: var(--muted); letter-spacing: 0.1em; text-align: center; padding: 8px; }

.analysis { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.classification { font: 600 20px var(--mono); letter-spacing: 0.08em; }
.gauge { position: relative; height: 12px; border: 1px solid var(--rule); background: var(--gap); }
.gauge .fill { height: 100%; background: var(--chart); }
.gauge .t { position: absolute; top: -3px; bottom: -3px; width: 1px; background: var(--muted); }
.gauge-scale { display: flex; justify-content: space-between; font: 10px var(--mono); color: var(--muted); margin-top: 3px; gap: 4px; flex-wrap: wrap; }

.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.conditioning { margin-top: 14px; border-top: 1px solid var(--rule); padding-top: 4px; }
.conditioning h3 { display: flex; gap: 10px; align-items: center; }
.conditioning p { font-size: 12.5px; margin: 0 0 8px; }

ol.events { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow-y: auto; font-size: 12px; }
.ev { display: grid; grid-template-columns: 180px 160px 1fr; gap: 8px; padding: 4px 0; border-bottom: 1px dotted var(--rule); }
.ev time, .etype { font-family: var(--mono); color: var(--muted); }
.ev.warn .etype { color: var(--warn); }
.ev.error .etype { color: var(--bad); }
.emsg { overflow-wrap: anywhere; }

.charts { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.chart { width: 100%; height: auto; display: block; }
.chart .ax { stroke: var(--rule); stroke-width: 1; }
.chart .line { fill: none; stroke: var(--chart); stroke-width: 1.5; }
.chart .dot { fill: var(--chart); }
.chart .bar { fill: var(--chart); }
.chart .bar.bad { fill: var(--bad); }
.chart .gap { fill: var(--gap); }
.chart .tick, .chart .nodata { fill: var(--muted); font: 9px var(--mono); }
.chart .nodata { font-size: 10px; letter-spacing: 0.1em; }
.hist { max-width: 320px; }

footer { max-width: 1280px; margin: 0 auto; padding: 8px 16px 32px; color: var(--muted); font-size: 12px; }

@media (max-width: 900px) {
  main { grid-template-columns: minmax(0, 1fr); }
  .camera, .analysis, .cols { grid-template-columns: minmax(0, 1fr); }
  .ev { grid-template-columns: 1fr; gap: 0; }
}

/* Admin */
.admin main { display: block; max-width: 980px; }
.admin form { display: grid; gap: 10px; }
.admin label { display: grid; gap: 3px; font-size: 12px; color: var(--muted); min-width: 0; }
.admin label > input, .admin label > select { min-width: 0; width: 100%; }
.admin input, .admin select, .admin button { font: 13px var(--sans); padding: 7px 9px; border: 1px solid var(--rule); background: var(--bg); color: var(--ink); }
.admin button { cursor: pointer; background: var(--accent); color: var(--panel); border-color: var(--accent); font-weight: 600; }
.admin button.secondary { background: transparent; color: var(--accent); }
.admin button.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.admin .grid2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.admin .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.admin .msg { font: 12px var(--mono); min-height: 1.4em; }
.admin .msg.err { color: var(--bad); }
.admin .panel + .panel { margin-top: 16px; }
.admin .help { font-size: 11px; color: var(--muted); }