/* NeverReborn Arcade — Signal Arena (System-Interface-Stil) */

.arcade-page {
  min-height: 100svh;
}

.arcade-shell {
  width: min(1020px, 100%);
  margin: 0 auto;
  padding: calc(38px + 3rem) clamp(1rem, 4vw, 2rem) 4rem;
}

.arcade-heading h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(2.2rem, 6vw, 4rem);
  text-transform: uppercase;
}

.arcade-sub {
  max-width: 60ch;
  color: var(--muted);
  margin: 0 0 1.6rem;
}

.arcade-hud {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--panel);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.arcade-hud b {
  color: var(--cyan);
  font-weight: 400;
  margin-left: 0.3rem;
}

.arcade-frame {
  position: relative;
  border: 1px solid var(--line);
  background: #07090d;
}

.arcade-frame canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.arcade-overlay {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.5rem;
  text-align: center;
  background: rgba(10, 12, 16, 0.86);
  backdrop-filter: blur(4px);
}

.arcade-overlay.is-open {
  display: flex;
}

.arcade-overlay h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-transform: uppercase;
}

.arcade-overlay p {
  max-width: 46ch;
  color: var(--muted);
  margin: 0 0 0.8rem;
}

.arcade-note {
  margin-top: 0.9rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .arcade-hud { gap: 0.9rem; font-size: 0.62rem; }
}