body,
html {
  height: 100%;
  margin: 0;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

.container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom right, #fef3c7, #ffe4e6);
  padding: 1rem;
}

.card {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  text-align: center;
  max-width: 400px;
  width: 100%;
  z-index: 10;
  position: relative;
}

.emoji-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

h2 {
  color: #1f2937;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  color: #4b5563;
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  font-family: sans-serif;
}

.signature {
  color: #6b7280;
  font-size: 0.875rem;
  font-weight: 500;
}

.falling-heart {
  position: fixed;
  font-size: 2rem;
  user-select: none;
  pointer-events: none;
  animation: fall linear forwards;
}

@keyframes fall {
  0% {
    transform: translateY(-120vh);
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0.5;
  }
}

@media (max-width: 640px) {
  .card {
    padding: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  p {
    font-size: 1rem;
  }
}