* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #ff758c, #ff7eb3);
  font-family: "Segoe UI", Arial, sans-serif;
}

.card {
  background: white;
  padding: 40px 50px;
  border-radius: 24px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
  max-width: 420px;
}

h1 {
  margin: 20px 0 30px;
}

button {
  font-size: 18px;
  padding: 14px 28px;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  margin: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

#yes {
  background: #ff4d6d;
  color: white;
}

#yes:hover {
  transform: scale(1.15);
  box-shadow: 0 10px 20px rgba(255,77,109,0.4);
}

#no {
  background: #e0e0e0;
  position: relative;
}

.heart {
  font-size: 60px;
  animation: pulse 1s infinite;
}

#subtext {
  margin-top: 20px;
  color: #555;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}