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

body{
    height:100vh;
    background: radial-gradient(circle at top, #ff6ec4, #7873f5);
    overflow:hidden;
    display:flex;
    justify-content:center;
    align-items:center;
}

/* Glass Card */
.card{
    width:360px;
    padding:30px;
    text-align:center;
    backdrop-filter: blur(15px);
    background: rgba(255,255,255,0.15);
    border-radius:25px;
    box-shadow:0 20px 40px rgba(0,0,0,0.3);
    transform-style:preserve-3d;
    transition:0.5s;
}

.card:hover{
    transform: rotateY(10deg) rotateX(5deg);
}

.title{
    color:#fff;
    margin-bottom:20px;
    animation: glow 2s infinite alternate;
}

input{
    width:100%;
    padding:12px;
    border:none;
    border-radius:30px;
    margin-bottom:15px;
    outline:none;
    text-align:center;
}

button{
    padding:12px 30px;
    border:none;
    border-radius:30px;
    background:#ff4d6d;
    color:#fff;
    cursor:pointer;
    font-size:16px;
    transition:0.3s;
}

button:hover{
    transform: scale(1.1);
    background:#ff1e56;
}

#wish{
    margin-top:20px;
    color:white;
    font-size:22px;
    min-height:30px;
}

/* Music Button */
.music-btn{
    position:fixed;
    top:20px;
    right:20px;
    border:none;
    background:#fff;
    border-radius:50%;
    width:50px;
    height:50px;
    cursor:pointer;
}

/* Balloons */
.balloons span{
    position:absolute;
    bottom:-150px;
    width:60px;
    height:80px;
    border-radius:50%;
    animation: fly 8s infinite ease-in;
}

.balloons span:nth-child(1){ left:10%; background:red; }
.balloons span:nth-child(2){ left:30%; background:yellow; animation-delay:2s;}
.balloons span:nth-child(3){ left:50%; background:cyan; animation-delay:4s;}
.balloons span:nth-child(4){ left:70%; background:orange; animation-delay:1s;}
.balloons span:nth-child(5){ left:90%; background:lime; animation-delay:3s;}

@keyframes fly{
    0%{ transform:translateY(0); }
    100%{ transform:translateY(-120vh); }
}

@keyframes glow{
    from{ text-shadow:0 0 10px #fff; }
    to{ text-shadow:0 0 25px yellow; }
}

/* Confetti Canvas */
#confetti{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    pointer-events:none;
}