:root {
  --bg: #000;
  --fg: #d0d0d0;
  --dim: #6a6a6a;
  --rule: #1c1c1c;
  --key: #8a8a8a;
  --live: #35d07f;
  --idle: #4a4a4a;
  --warn: #d0a215;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}

body {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
  padding: clamp(1.5rem, 6vw, 5rem) clamp(1.25rem, 6vw, 3rem);
}

main {
  max-width: 46rem;
  margin: 0 auto;
}

.masthead { margin-bottom: 2.5rem; }

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.sub {
  margin: 0.85rem 0 0;
  color: var(--dim);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.panel {
  border-top: 1px solid var(--rule);
  padding: 1.25rem 0;
}

.rows {
  display: grid;
  gap: 0.4rem;
}

.row {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
}

.key {
  color: var(--key);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.val {
  color: var(--fg);
  overflow-wrap: anywhere;
}

.val.dim, .dim { color: var(--dim); }

#ist-time {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.dot {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--idle);
  vertical-align: 0.08em;
}

.dot.live { background: var(--live); }
.dot.pre  { background: var(--warn); }

.note {
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.note p {
  margin: 0;
  max-width: 34rem;
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.7;
}

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

@media (max-width: 30rem) {
  .row { grid-template-columns: 1fr; gap: 0; }
  .key { font-size: 0.625rem; }
}

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