body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #000;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.background-cat {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: auto;
  z-index: -1;
}

.background-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  opacity: 0.5;
}

.cats {
  position: fixed;
  left: 0;
  /* leave space for lyrics bar at bottom */
  bottom: 96px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 12px;
  width: 100%;
  padding: 12px 10px 28px;
  box-sizing: border-box;
  z-index: 1;
}

.small-cat {
  width: min(300px, 20vw);
  height: auto;
  margin: 10px;
  transition: transform 260ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;
  transform-origin: bottom center;
  user-select: none;
  pointer-events: none;
}

/* small accessibility tweak for reduced-motion users */
@media (prefers-reduced-motion: reduce) {
  .small-cat { transition: none !important; }
}

/* start overlay */
.start-overlay {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  z-index: 50;
  user-select: none;
}
.start-overlay.hidden { display: none; }

.disclaimer {
  position: fixed;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: #ccc;
  z-index: 10;
}

/* lyrics bar at the very bottom */
.lyrics-bar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0,0,0,0.0), rgba(0,0,0,0.6));
  z-index: 20;
  padding: 12px 20px;
  box-sizing: border-box;
}
.lyrics-line { color: #fff; font-size: 28px; text-align: center; max-width: 95%; line-height:1.2; }
.lyrics-line .word { display: inline-block; padding: 2px 6px; border-radius:6px; color: #dbeafe; }
.lyrics-line .word.highlight { background: #ffd166; color: #001219; font-weight:700; }

@media (max-width:640px){
  .lyrics-line{font-size:18px}
  .cats{bottom:84px}
  .small-cat{width:110px}
  .cats{gap:8px}
}