:root {
  color-scheme: dark;
  --background: #05070d;
  --panel: rgba(14, 20, 33, 0.82);
  --line: rgba(148, 163, 184, 0.16);
  --text: #f8fafc;
  --muted: #94a3b8;
  --cyan: #67e8f9;
  --green: #5eead4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(8, 145, 178, 0.17), transparent 32rem),
    radial-gradient(circle at 85% 35%, rgba(20, 184, 166, 0.10), transparent 28rem),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header,
main,
footer {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

header {
  padding: 5rem 0 3rem;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 1rem;
  font-size: clamp(2.7rem, 8vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.035em;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.lede {
  max-width: 760px;
  color: #cbd5e1;
  font-size: 1.08rem;
  line-height: 1.7;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.status > span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.status[data-state="error"] > span,
.status[data-state="delayed"] > span {
  background: #fbbf24;
  box-shadow: none;
}

.status[data-state="loading"] > span {
  background: var(--muted);
  box-shadow: none;
}

[hidden] {
  display: none !important;
}

.schedule,
.caveat {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.caveat {
  color: var(--cyan);
}

main {
  display: grid;
  gap: 1rem;
  padding-bottom: 4rem;
}

.visualization,
.panel,
.metrics article {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.visualization,
.panel {
  padding: clamp(1rem, 3vw, 2rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

time,
small {
  color: var(--muted);
}

.field-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: #030712;
}

.field-frame img,
.field-frame canvas {
  display: block;
  width: 100%;
  image-rendering: pixelated;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.metrics article {
  display: grid;
  gap: 0.45rem;
  padding: 1.4rem;
}

.metrics span {
  color: var(--muted);
  font-size: 0.82rem;
}

.metrics strong {
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.metrics small {
  font-size: 0.72rem;
}

#history-chart {
  width: 100%;
  height: 280px;
  display: block;
}

.playback {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.2rem 0;
}

button,
select {
  font: inherit;
  color: var(--text);
  background: #162438;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.65rem 0.85rem;
}

button,
summary {
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  border-color: var(--green);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

#timeline {
  width: 100%;
  accent-color: var(--green);
}

.interpretation p:not(.eyebrow) {
  line-height: 1.7;
  margin-top: 1rem;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

caption {
  text-align: left;
  color: var(--muted);
  padding: 1rem 0;
}

td,
th {
  text-align: left;
  padding: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.about {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
}

.about p:not(.eyebrow) {
  margin-top: 1rem;
  color: #cbd5e1;
  line-height: 1.7;
}

.equations {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

code {
  overflow-x: auto;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  color: var(--cyan);
  background: rgba(2, 6, 23, 0.65);
}

a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 3rem;
  color: var(--muted);
  font-size: 0.75rem;
}

@media (max-width: 720px) {
  header {
    padding-top: 3.5rem;
  }

  .metrics,
  .about {
    grid-template-columns: 1fr;
  }

  .section-heading,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}