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

body{
height:100vh;
display:flex;
justify-content:center;
align-items:center;
background:linear-gradient(135deg,#141e30,#243b55);
}

.player{
width:900px;
height:550px;
display:flex;
background:rgba(255,255,255,.08);
backdrop-filter:blur(20px);
border-radius:20px;
overflow:hidden;
box-shadow:0 20px 40px rgba(0,0,0,.4);
}

.left{
width:30%;
background:rgba(255,255,255,.05);
padding:25px;
overflow-y:auto;
}

.left h2{
color:white;
margin-bottom:20px;
}

.left ul{
list-style:none;
}

.left li{
padding:15px;
margin-bottom:10px;
background:rgba(255,255,255,.08);
border-radius:10px;
color:white;
cursor:pointer;
transition:.3s;
}

.left li:hover{
background:#00e5ff;
color:black;
}

.right{
width:70%;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
color:white;
padding:40px;
}

#cover{
width:250px;
height:250px;
border-radius:50%;
object-fit:cover;
margin-bottom:25px;
box-shadow:0 15px 30px rgba(0,0,0,.4);
}

.rotate{
animation:spin 10s linear infinite;
}

@keyframes spin{
100%{
transform:rotate(360deg);
}
}

#title{
margin-bottom:10px;
}

#artist{
opacity:.7;
margin-bottom:25px;
}

.time{
display:flex;
align-items:center;
gap:10px;
width:100%;
}

#progress{
flex:1;
cursor:pointer;
}

.controls{
margin:35px;
display:flex;
gap:25px;
}

.controls button{
width:65px;
height:65px;
border:none;
border-radius:50%;
font-size:22px;
cursor:pointer;
background:#00e5ff;
transition:.3s;
}

.controls button:hover{
transform:scale(1.1);
}

.volume{
display:flex;
align-items:center;
gap:10px;
width:70%;
}

.volume input{
flex:1;
}

@media(max-width:900px){
.player{
flex-direction:column;
height:auto;
width:95%;
}

.left{
width:100%;
}

.right{
width:100%;
}
}