body {
  margin: 0;
  font-family: Arial;
  background: linear-gradient(#ffdde1, #ee9ca7);
  text-align: center;
}

.welcome {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
}

input {
  padding: 10px;
  margin: 10px;
  border-radius: 20px;
  border: none;
  text-align: center;
}

button {
  padding: 12px 20px;
  border: none;
  border-radius: 25px;
  background: #ff4d6d;
  color: white;
  font-size: 16px;
}

.hidden {
  display: none;
}

.container {
  margin-top: 30px;
}

.photo-box {
  position: relative;
  display: inline-block;
  width: 100%;
}

img {
  width: 100%;
  max-height: 80vh;
  border-radius: 15px;
  animation: fadeZoom 0.6s ease;
}

@keyframes fadeZoom {
  from {opacity: 0; transform: scale(0.9);}
  to {opacity: 1; transform: scale(1);}
}

.overlay {
  position: absolute;
  bottom: 10px;
  width: 100%;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 24px;
  padding: 15px;
  border-radius: 0 0 15px 15px;
}

.buttons button {
  margin: 15px;
}

.hearts {
  font-size: 30px;
  margin-bottom: 10px;
}

.ending {
  margin-top: 30px;
  font-size: 28px;
  color: #b3003b;
}

.love-days {
  font-size: 28px;
  margin-bottom: 10px;
  color: #b3003b;
}

#heart-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.floating-heart {
  position: absolute;
  bottom: 0;
  font-size: 20px;
  animation: floatUp 6s linear forwards;
}

@keyframes floatUp {
  0% {transform: translateY(0); opacity: 1;}
  100% {transform: translateY(-100vh); opacity: 0;}
}