header {
      width: 100%;
      background-color: #111;
      padding: 2rem;
      text-align: center;
      border-bottom: 2px solid #222;
    }


body {
  background: radial-gradient(circle at center, #0b0f17 0%, #000 80%);
  font-family: 'Inter', sans-serif;
  color: #c9d2ff;
    text-align: center;
}

.array-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px;
  text-align: center;
}

.awaken-button {
  background: linear-gradient(90deg, #3a3f7a, #6a5acd);
  border: none;
  padding: 14px 28px;
  color: white;
  font-size: 1rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  margin-bottom: 30px;
  border-radius: 6px;
  box-shadow: 0 0 12px rgba(120, 130, 255, 0.4);
  transition: 0.3s ease;
}

.awaken-button:hover {
  box-shadow: 0 0 20px rgba(150, 160, 255, 0.7);
}

.array-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.array-node {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(120, 130, 255, 0.25);
  border-radius: 8px;
  aspect-ratio: 1 / 1;
  background: #0d0f18;
  text-decoration: none;
  color: inherit;
}

.signal-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.corner {
  position: absolute;
  font-size: 0.65rem;
  opacity: 0.75;
  letter-spacing: 0.1em;
  pointer-events: none;
}

.corner.tl { top: 6px; left: 8px; }
.corner.tr { top: 6px; right: 8px; }
.corner.bl { bottom: 6px; left: 8px; }
.corner.br { bottom: 6px; right: 8px; }

.veil {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.veil-glyph {
  font-size: 2rem;
  color: #8a92ff;
  opacity: 0.8;
}