.replay-shell {
  max-width: 1640px;
}

.compact-hero {
  padding-top: 32px;
  padding-bottom: 24px;
}

.compact-hero h1 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.1;
  margin: 8px 0 12px;
}

.compact-hero .hero-lede {
  font-size: 15px;
  line-height: 1.55;
  max-width: 720px;
}

.scenario-copy {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
  margin: 10px 0 0;
  max-width: 540px;
}

.canvas-stage {
  background:
    radial-gradient(circle at 22% 18%, rgba(var(--accent-rgb), 0.1), transparent 30%),
    radial-gradient(circle at 82% 74%, rgba(var(--signal-green-rgb), 0.08), transparent 28%),
    #061018;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

#corridorCanvas {
  border-radius: 14px;
  min-height: 520px;
}

.metrics-below,
.control-grid {
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 900px) {
  .replay-shell {
    border-left: 0;
    border-radius: 0;
    border-right: 0;
    padding: 14px;
  }

  #corridorCanvas {
    min-height: 420px;
    min-width: 920px;
  }
}