.ui-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;

  display: flex;
  align-items: center;
  justify-content: center;

  font-family: monospace;
  color: #00ff66;

  background: rgba(0, 0, 0, 0.9);
}

/* Main terminal window */

.ui-panel {
  width: min(90%, 600px);
  padding: 32px;

  background: #0a0a0a;
  border: 2px solid #00ff66;

  box-shadow:
    0 0 20px rgba(0, 255, 102, 0.15),
    6px 6px 0 #00ff66;
}

/* Title */

.ui-title {
  margin: 0 0 24px;

  font: inherit;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: bold;

  color: #00ff66;
  text-transform: uppercase;
}

.ui-title::before {
  content: "> ";
}

/* Optional description / instructions */

.ui-text {
  margin: 0 0 32px;

  color: #b6ffcf;
  line-height: 1.6;
}

/* Play button */

.play-button {
  font: inherit;
  font-weight: bold;

  color: #00ff66;
  background: transparent;

  border: 2px solid #00ff66;
  padding: 12px 18px;

  cursor: pointer;
  text-transform: uppercase;
}

.play-button::before {
  content: "> ";
}

.play-button:hover,
.play-button:focus-visible {
  color: #080808;
  background: #00ff66;

  outline: none;
}

.play-button:active {
  transform: translate(2px, 2px);
}

.hidden {
  display: none;
}