body {
    background: linear-gradient(135deg,#ffeef2,#ffd6e7);
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
    margin:0;
    font-family:'Segoe UI',sans-serif;
    overflow:hidden;
}

.card{
    background:white;
    padding:2rem;
    border-radius:25px;
    box-shadow:0 15px 40px rgba(255,105,180,.35);
    text-align:center;
    max-width:340px;
    position:relative;
}

.heart{
    font-size:4rem;
    cursor:pointer;
    animation:pulse 1.4s infinite;
}

.heart:hover{
    transform:scale(1.25);
}

h1{
    color:#d63384;
}

#message{
    min-height:60px;
    color:#444;
    font-style:italic;
}

.pop{
    transform:scale(1.15);
    transition:0.2s;
}

.hidden{
    display:none;
}

.buttons{
    margin-top:20px;
    position:relative;
    height:120px;
}

button{
    padding:12px 18px;
    border:none;
    border-radius:12px;
    font-size:16px;
    cursor:pointer;
}

#yes-btn{
    background:#ff4d88;
    color:white;
}

#yes-btn:hover{
    background:#ff2f73;
}

#no-btn{
    background:#ddd;
}

@keyframes pulse{
    0%{transform:scale(1)}
    50%{transform:scale(1.12)}
    100%{transform:scale(1)}
}

canvas{
    position:fixed;
    top:0;
    left:0;
    pointer-events:none;
}