html, body {
  height: 100%;
  padding: 0;
  margin: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.box {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
}

canvas {
  position: absolute;
  width: 100%;
  height: 100%;
}

#pinkboard {
  position: relative;
  margin: auto;
  height: 500px;
  width: 500px;
  animation: animate 1.3s infinite;
}

#pinkboard:before, #pinkboard:after {
  content: '';
  position: absolute;
  background: #FF5CA4;
  width: 100px;
  height: 160px;
  border-top-left-radius: 50px;
  border-top-right-radius: 50px;
}

#pinkboard:before {
  left: 100px;
  transform: rotate(-45deg);
  transform-origin: 0 100%;
  box-shadow: 0 14px 28px rgba(0,0,0,0.25),
              0 10px 10px rgba(0,0,0,0.22);
}

#pinkboard:after {
  left: 0;
  transform: rotate(45deg);
  transform-origin: 100% 100%;
}

@keyframes animate {
  0% { transform: scale(1); }
  30% { transform: scale(.8); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* 🎇 Style cho chữ */
.center-text {
  background: linear-gradient(90deg, #ff0099, #ff66cc, #ff99ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 45px;
  font-weight: bold;
  font-style: italic;
  text-align: center;
  margin-top: 580px;
  animation: glow 2s infinite alternate;
  text-shadow: 0 0 10px #ff33cc, 0 0 20px #ff66ff, 0 0 30px #ff99ff;
}

/* Hiệu ứng ánh sáng nhấp nháy */
@keyframes glow {
  from {
    text-shadow: 0 0 10px #ff33cc, 0 0 20px #ff66ff, 0 0 30px #ff99ff;
    transform: scale(1);
  }
  to {
    text-shadow: 0 0 20px #ff66cc, 0 0 40px #ff99ff, 0 0 60px #ffffff;
    transform: scale(1.05);
  }
}