body {
  margin: 0;
  padding: 0;
  height: 100vh;
  background: linear-gradient(135deg, #fff4f4, #fdeaea);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
}

.paper {
  background: #fff;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  position: absolute;
  cursor: grab;
  max-width: 300px;
  user-select: none;
  transition: box-shadow 0.2s;
}

.paper img {
  max-width: 100%;
  border-radius: 10px;
  margin-top: 10px;
}

.paper.quote {
  font-family: 'Great Vibes', cursive;
  font-size: 24px;
  color: #b30000;
  text-align: center;
}

.paper.final {
  background: #F999CB;
  color: white;
  font-size: 18px;
  text-align: center;
}

.intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 280px;
  height: 320px;
  justify-content: center;
}

.heart-pulse {
  font-size: 60px;
  animation: pulse 1.4s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(1); opacity: 0.6; }
}

.instruction {
  font-size: 16px;
  margin-top: 15px;
  line-height: 1.4;
}

.audio-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: white;
  padding: 10px 14px;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  font-size: 20px;
  cursor: pointer;
  z-index: 1000;
}