/* Spaulding Labs Update Server — portal styles
   Palette taken from powder-coated shop equipment: cool steel field,
   white instrument panels, machine orange reserved for live state only. */

:root {
  --field:    #e7ebf0;
  --panel:    #ffffff;
  --edge:     #c3ccd6;
  --edge-hard:#8f9dab;
  --ink:      #1d2733;
  --ink-soft: #5b6875;
  --accent:   #c4561d;   /* machine orange, live state only */
  --good:     #2f7d55;
  --warn:     #a8720d;
  --bad:      #ad2f2f;
  --link:     #1b5e8c;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- shell ---- */
.shell { display: flex; min-height: 100vh; }

.rail {
  width: 210px; flex: 0 0 210px;
  background: #1d2733; color: #cfd8e2;
  display: flex; flex-direction: column;
}
.rail .mark {
  padding: 18px 16px 14px;
  border-bottom: 1px solid #2f3d4d;
}
.rail .mark b { display: block; font-size: 15px; letter-spacing: .02em; color: #fff; }
.rail .mark span { display: block; font-size: 12px; color: #8fa0b2; margin-top: 2px; }
.rail nav { padding: 10px 0; flex: 1; }
.rail nav a {
  display: block; padding: 9px 16px; color: #cfd8e2; font-size: 14px;
  border-left: 3px solid transparent;
}
.rail nav a:hover { background: #263241; text-decoration: none; }
.rail nav a.on { background: #263241; border-left-color: var(--accent); color: #fff; }
.rail nav .grp {
  padding: 14px 16px 4px; font-size: 12px; color: #7c8b9c;
}
.rail .foot { padding: 12px 16px; border-top: 1px solid #2f3d4d; font-size: 12px; color: #8fa0b2; }
.rail .foot form { margin: 6px 0 0; }
.rail .foot button {
  background: none; border: 1px solid #4a5b6d; color: #cfd8e2;
  padding: 5px 10px; font: inherit; font-size: 12px; cursor: pointer;
}
.rail .foot button:hover { background: #2f3d4d; }

main { flex: 1; min-width: 0; padding: 24px 28px 60px; max-width: 1180px; }

h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--ink-soft); }
.sub { color: var(--ink-soft); font-size: 14px; margin: 0 0 22px; }

/* ---- panels ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-left: 4px solid var(--edge-hard);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.panel.live  { border-left-color: var(--accent); }
.panel.ok    { border-left-color: var(--good); }
.panel.alert { border-left-color: var(--bad); }
.panel > h2 { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.panel > h2 .hint { font-weight: 400; font-size: 13px; color: var(--ink-soft); }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }

/* ---- gauges ---- */
.gauge + .gauge { margin-top: 12px; }
.gauge .row { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.gauge .row b { font-weight: 600; }
.gauge .row span { color: var(--ink-soft); font-family: var(--mono); font-size: 12px; }
.bar { height: 10px; background: #dde3ea; border: 1px solid var(--edge); }
.bar i { display: block; height: 100%; background: var(--good); }
.bar i.mid { background: var(--warn); }
.bar i.high { background: var(--bad); }

.readout { display: flex; gap: 26px; flex-wrap: wrap; }
.readout div { min-width: 90px; }
.readout .n { font-family: var(--mono); font-size: 21px; font-weight: 600; display: block; }
.readout .l { font-size: 12px; color: var(--ink-soft); }

/* ---- service chips ---- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--edge); background: #f3f6f9;
  padding: 5px 9px; font-size: 12px; font-family: var(--mono);
  display: flex; align-items: center; gap: 7px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--edge-hard); }
.dot.up { background: var(--good); }
.dot.down { background: var(--bad); }

/* ---- tables ---- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-soft);
  border-bottom: 2px solid var(--edge-hard); padding: 6px 8px;
}
td { padding: 8px; border-bottom: 1px solid var(--edge); vertical-align: top; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-family: var(--mono); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }
.wrapany { word-break: break-all; }
.muted { color: var(--ink-soft); }

/* ---- forms ---- */
label { display: block; font-size: 13px; margin: 0 0 4px; }
input[type=text], input[type=password], input[type=number], input[type=file], select, textarea {
  width: 100%; padding: 7px 9px; font: inherit; font-size: 14px;
  border: 1px solid var(--edge-hard); background: #fbfcfd; color: var(--ink);
}
textarea { min-height: 76px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--link); background: #fff; }
.field { margin-bottom: 12px; }
.inline { display: flex; gap: 12px; flex-wrap: wrap; }
.inline .field { flex: 1; min-width: 150px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 12px; }
.check input { width: auto; }

button, .btn {
  font: inherit; font-size: 14px; padding: 8px 14px; cursor: pointer;
  background: var(--ink); color: #fff; border: 1px solid var(--ink);
}
button:hover, .btn:hover { background: #2f3d4d; text-decoration: none; }
button.ghost, .btn.ghost { background: transparent; color: var(--ink); border-color: var(--edge-hard); }
button.ghost:hover { background: #dfe5ec; }
button.danger { background: var(--bad); border-color: var(--bad); }
button.small { padding: 4px 9px; font-size: 12px; }

/* ---- flashes ---- */
.flash { border: 1px solid var(--edge); border-left: 4px solid var(--ink-soft);
         background: #fff; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; }
.flash.ok { border-left-color: var(--good); }
.flash.error { border-left-color: var(--bad); }
.flash.warn { border-left-color: var(--warn); }

/* ---- badges ---- */
.tag { font-family: var(--mono); font-size: 11px; padding: 2px 6px; border: 1px solid var(--edge-hard); }
.tag.stable { border-color: var(--good); color: var(--good); }
.tag.beta { border-color: var(--warn); color: var(--warn); }
.tag.canary { border-color: var(--link); color: var(--link); }
.tag.yanked { border-color: var(--bad); color: var(--bad); }
.tag.must { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- login ---- */
.gate { max-width: 380px; margin: 9vh auto; }
.gate .plate {
  background: var(--panel); border: 1px solid var(--edge); border-top: 5px solid var(--accent);
  padding: 26px 26px 22px;
}
.gate h1 { font-size: 19px; margin-bottom: 2px; }
.gate .sub { margin-bottom: 20px; }
.gate button { width: 100%; margin-top: 6px; }
.gate .where { text-align: center; font-family: var(--mono); font-size: 12px;
               color: var(--ink-soft); margin-top: 16px; }

.keybox {
  background: #1d2733; color: #e8edf2; font-family: var(--mono); font-size: 13px;
  padding: 12px 14px; word-break: break-all; border-left: 4px solid var(--accent);
}

@media (max-width: 820px) {
  .shell { flex-direction: column; }
  .rail { width: 100%; flex: none; }
  .rail nav { display: flex; flex-wrap: wrap; }
  .rail nav .grp { display: none; }
  .rail nav a { border-left: none; border-bottom: 3px solid transparent; }
  .rail nav a.on { border-left: none; border-bottom-color: var(--accent); }
  main { padding: 18px 16px 40px; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }