:root {
  --ink: #111;
  --ink-soft: #3f3f3f;
  --muted: #707070;
  --rule: #e6e6e3;
  --grid: #ededeb;
  --surface: #fff;
  --wash: #f7f7f5;
  --good: #17834c;
  --critical: #b93636;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }
button, .button {
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 13px;
}
button:hover, .button:hover { background: #303030; text-decoration: none; }
button.secondary, .button.secondary {
  background: transparent;
  border-color: var(--rule);
  color: var(--ink);
}
button.secondary:hover, .button.secondary:hover { background: var(--wash); }
button.link {
  min-height: 0;
  border: 0;
  background: none;
  color: var(--muted);
  padding: 0;
}
button.link:hover { color: var(--ink); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 25px 40px;
}
.brand { display: inline-flex; align-items: center; }
.brand:hover { text-decoration: none; }
.brand img { display: block; width: 40px; height: 40px; object-fit: contain; }
.top nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 13px; }
.wrap { max-width: 1440px; margin: 0 auto; padding: 38px 40px 96px; }
.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}
h1 { font-size: 24px; font-weight: 500; letter-spacing: -.02em; line-height: 1.25; margin: 0 0 5px; }
h2 {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .07em;
  margin: 0 0 12px;
  text-transform: uppercase;
}
.sub, .quiet { color: var(--muted); }
.sub { font-size: 13px; margin: 0; }
.device-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 14px; }
.mono, .metric-value, td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}
.status.online { color: var(--good); }
.status.online::before { background: var(--good); }
.status.maintenance { color: #8a6116; }
.status.maintenance::before { background: #b8892d; }
.status.disabled, .status.failed { color: var(--critical); }
.status.disabled::before, .status.failed::before { background: var(--critical); }

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
}
.device-card {
  border: 1px solid var(--rule);
  min-height: 245px;
  padding: 22px;
  transition: border-color .15s, background .15s;
}
.device-card:hover { border-color: #bdbdb8; background: #fdfdfc; text-decoration: none; }
.device-card-head { display: flex; justify-content: space-between; gap: 16px; }
.device-name { font-size: 18px; font-weight: 500; letter-spacing: -.01em; }
.site-id { color: var(--muted); font-size: 12px; margin-top: 2px; }
.version-row {
  display: flex;
  gap: 16px;
  min-height: 21px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}
/* A release is gollum- plus a 40-character SHA, one unbreakable token. Flex
   items default to min-width:auto, so they refuse to shrink below it and the
   hash runs past the card edge; anywhere lets it break mid-token. */
.version-row > span { min-width: 0; overflow-wrap: anywhere; }
.class-metrics { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 17px; }
.class-metric { min-width: 70px; }
.class-label { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 11px; }
.series-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.class-count { font-family: var(--mono); font-size: 19px; margin-top: 2px; }
.mini-chart { height: 58px; margin-top: 13px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  margin: 30px 0 48px;
}
.metric-label { color: var(--muted); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }
.metric-value { font-size: 29px; letter-spacing: -.03em; line-height: 1.2; margin-top: 6px; }
.metric-foot { color: var(--muted); font-size: 12px; margin-top: 4px; }
.section { margin-top: 50px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.split > * { min-width: 0; }
.chart { min-height: 230px; }
.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.chart-head h2 { margin-right: auto; }
.range-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
/* The date fields open in place of a button, on the same row, right-aligned,
   so nothing above or beside the chart shifts when they appear. */
.range-fields { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.chart-frame { position: relative; }
.chart-corner {
  position: absolute;
  top: 2px;
  right: 0;
  z-index: 1;
  background: var(--surface);
}
.range-fields input {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  padding: 4px 6px;
}
.chart-scroll { overflow-x: auto; }
.chip { font-size: 11px; padding: 3px 9px; }
.chip.is-active { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; min-height: 22px; color: var(--muted); font-size: 11px; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-ramp { display: inline-block; width: 36px; height: 8px; border-radius: 2px; }
.legend-band { display: inline-block; width: 36px; height: 12px; border-radius: 2px; background: var(--ink); opacity: .18; }
button.secondary.is-active { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.empty { color: var(--muted); font-size: 13px; padding: 24px 0; }

.day-nav { display: flex; align-items: center; gap: 12px; }
.day-nav input {
  min-height: 36px;
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 6px 9px;
}
.day-arrow { color: var(--muted); font-size: 18px; padding: 6px; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .06em;
  padding: 0 20px 12px 0;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
}
td { border-top: 1px solid var(--rule); padding: 12px 20px 12px 0; vertical-align: middle; white-space: nowrap; }
th.num, td.num { padding-right: 0; text-align: right; }

.live-area {
  min-height: 230px;
  overflow: hidden;
  position: relative;
  background: #111;
  color: #aaa;
  text-align: center;
}
.live-controls {
  max-width: calc(100% - 24px);
  min-width: 0;
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}
.live-controls button {
  border-color: rgba(255, 255, 255, .7);
  background: rgba(255, 255, 255, .92);
  color: var(--ink);
}
.live-controls button:hover { background: #fff; }
.live-status {
  color: #ccc;
  font-size: 12px;
  margin-top: 8px;
  text-shadow: 0 1px 2px #000;
}
.live-stream {
  display: block;
  width: 100%;
  height: min(52vh, 420px);
  object-fit: contain;
}
.live-stream[hidden] { display: none; }
.live-area.is-live .live-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  inset: 12px auto auto 12px;
  transform: none;
}
.live-area.is-live .live-status {
  margin: 0;
  padding: 7px 10px;
  background: rgba(17, 17, 17, .72);
}

.admin-panel {
  border-top: 1px solid var(--rule);
  margin-top: 60px;
  padding-top: 28px;
}
.admin-controls { display: flex; flex-wrap: wrap; gap: 9px; }
.maintenance-controls { margin-bottom: 28px; }
.maintenance-controls .sub { margin-bottom: 10px; }
.admin-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr)) auto;
  gap: 10px;
  margin-bottom: 30px;
}
.admin-form.maintenance-form {
  grid-template-columns: 2fr 1fr 1fr auto;
  margin-bottom: 0;
}
.admin-form.settings-form {
  grid-template-columns: minmax(180px, 280px) auto;
  align-items: end;
  max-width: 460px;
  margin-top: 18px;
}
.settings-form label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.settings-form button { min-width: 150px; }
.admin-form.spike-form { grid-template-columns: minmax(200px, 280px) minmax(200px, 280px) auto; max-width: 760px; }
.alerts-notice { margin-bottom: 18px; }
.texts-toggle { margin-top: 14px; }
.consent-form { max-width: 620px; }
.consent { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; font-size: 13px; color: var(--ink-soft); line-height: 1.45; }
.consent input { margin-top: 3px; width: 16px; height: 16px; }
button:disabled { opacity: .45; cursor: not-allowed; }
.table-scroll { overflow-x: auto; }
.alerts-table td.message { white-space: normal; min-width: 260px; max-width: 520px; }
.admin-form.people-form {
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 280px) auto;
  align-items: end;
  max-width: 760px;
  margin: 18px 0 24px;
}
.people-form label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.people-form button { min-width: 150px; }
.phone { font-variant-numeric: tabular-nums; margin-right: 10px; }
.admin-form input, .admin-form select {
  border: 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  border-radius: 0;
  min-width: 0;
  padding: 8px 2px;
}
.inline-form { display: flex; align-items: center; gap: 10px; }
.inline-form select { border: 0; background: transparent; color: var(--ink); }
.inline-form input { border: 0; border-bottom: 1px solid var(--rule); padding: 4px 0; }
.role-form { min-height: 24px; }
.role-form select { height: 24px; padding: 0 2px; }
.role-form button { line-height: 24px; }
.credential {
  background: var(--wash);
  display: none;
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 14px;
  overflow-wrap: anywhere;
  padding: 12px;
  white-space: pre-wrap;
}
.credential.visible { display: block; }
.token-list { margin-top: 20px; }
.token-row { display: flex; align-items: center; gap: 12px; margin-top: 8px; }

.login {
  display: grid;
  min-height: 90vh;
  place-items: center;
  padding: 24px;
}
.login-card { width: min(100%, 340px); }
.login-card .sub { margin-top: 8px; }
.login-card form { display: grid; gap: 16px; margin-top: 28px; }
.login-card input {
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
}
.login-error { color: var(--critical); min-height: 18px; }

@media (max-width: 800px) {
  .top { padding: 20px; }
  .top nav span { display: none; }
  .wrap { padding: 28px 20px 70px; }
  .page-head { display: block; }
  .day-nav { margin-top: 20px; }
  .split { grid-template-columns: 1fr; }
  .live-area.is-live .live-controls { align-items: flex-start; flex-direction: column; }
  .admin-form { grid-template-columns: 1fr; }
  .admin-form.settings-form { grid-template-columns: 1fr; max-width: none; }
  .admin-form.spike-form { grid-template-columns: 1fr; }
  .admin-form.people-form { grid-template-columns: 1fr; max-width: none; }
  .settings-form button { width: 100%; }
}

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