body {
  margin: 0;
  padding: 0;
  background: #ffe6e6;
  font-family: 'Arial', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.heart-container {
  text-align: center;
}

h1 {
  font-size: 3rem;
  color: #ff3366;
  animation: fadeIn 2s ease-in-out infinite alternate;
}

.heart {
  position: relative;
  width: 100px;
  height: 100px;
  background: #ff3366;
  transform: rotate(-45deg);
  margin: 0 auto 20px;
  animation: beat 1s infinite;
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  background: #ff3366;
  border-radius: 50%;
}

.heart::before {
  top: -50px;
  left: 0;
}

.heart::after {
  left: 50px;
  top: 0;
}

@keyframes beat {
  0%, 100% {
    transform: scale(1) rotate(-45deg);
  }
  50% {
    transform: scale(1.2) rotate(-45deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0.3;
  }
  to {
    opacity: 1;
  }
}

.floating-hearts {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.floating-heart {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: #ff3366;
  transform: rotate(45deg);
  animation: floatUp 5s linear infinite;
  opacity: 0.7;
}

.floating-heart::before,
.floating-heart::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: #ff3366;
  border-radius: 50%;
}

.floating-heart::before {
  top: -10px;
  left: 0;
}

.floating-heart::after {
  left: -10px;
  top: 0;
}

@keyframes floatUp {
  0% {
    transform: translateY(100vh) scale(1) rotate(45deg);
    opacity: 0;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-10vh) scale(1.5) rotate(45deg);
    opacity: 0;
  }
}

#play-btn {
  margin-top: 20px;
  padding: 12px 24px;
  font-size: 16px;
  color: white;
  background-color: #ff3366;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#play-btn:hover {
  background-color: #e02e5e;
}

.audio-controls {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

#play-btn {
  padding: 12px 24px;
  font-size: 16px;
  color: white;
  background-color: #ff3366;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#play-btn:hover {
  background-color: #e02e5e;
}

#volume-slider {
  width: 150px;
}

body {
  animation: bgShift 10s infinite linear;
  background: linear-gradient(-45deg, #ffe6e6, #ffccf2, #ffd9e6, #ffe6e6);
  background-size: 400% 400%;
}

@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cursor-heart {
  position: absolute;
  pointer-events: none;
  color: #ff3366;
  font-size: 20px;
  animation: floatFade 1s forwards;
  transform: translate(-50%, -50%);
  z-index: 9999;
}

@keyframes floatFade {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -100%) scale(1.5);
  }
}

.flyer {
  position: fixed;
  top: 30%;
  left: -100px;
  font-size: 40px;
  z-index: 10;
  animation: flyAcross 12s linear infinite;
  pointer-events: none;
}

@keyframes flyAcross {
  0% {
    transform: translateX(0) translateY(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  50% {
    transform: translateX(50vw) translateY(-30px) rotate(10deg);
  }
  100% {
    transform: translateX(110vw) translateY(0px) rotate(0deg);
    opacity: 0;
  }
}