* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  height: 100vh;
  background: linear-gradient(135deg, #ffd6e8, #e0c3fc);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.container {
  text-align: center;
  max-width: 90%;
}

h1 {
  margin-bottom: 20px;
  color: #5a2a83;
}

.gift-box {
  font-size: 90px;
  cursor: pointer;
  animation: float 2s infinite ease-in-out;
}

.gift-box:hover {
  animation: shake 0.4s infinite;
}

@keyframes shake {
  0% { transform: rotate(0); }
  25% { transform: rotate(5deg); }
  50% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
  100% { transform: rotate(0); }
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

.surprise {
  margin-top: 25px;
  padding: 15px;
  background: white;
  border-radius: 12px;
  animation: fadeIn 1s ease;
}

.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Floating hearts */
.hearts::before {
  content: "💗 💖 💕 💘 💝";
  position: absolute;
  width: 100%;
  text-align: center;
  top: -10%;
  animation: hearts 6s linear infinite;
}

@keyframes hearts {
  0% { top: -10%; opacity: 0; }
  50% { opacity: 1; }
  100% { top: 110%; opacity: 0; }
}