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

body{
    min-height:100vh;
    background:#121212;
    color:white;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:30px;
}

.container{
    width:100%;
    max-width:1000px;
}

header{
    text-align:center;
    margin-bottom:40px;
}

header h1{
    font-size:3rem;
    margin-bottom:10px;
}

header p{
    color:#b3b3b3;
}

main{
    display:grid;
    gap:25px;
}

.card{
    padding:25px;
    border-radius:20px;
    box-shadow:0 0 20px rgba(0,0,0,.3);
}

.playlist{
    background:linear-gradient(135deg,#1db954,#169c46);
}

.radio{
    background:linear-gradient(135deg,#ff6b35,#ff914d);
}

.card h2{
    margin-bottom:10px;
}

.card p{
    margin-bottom:20px;
    opacity:.9;
}

.button-grid{
    display:flex;
    flex-direction:column;
    gap:12px;
}

button{
    border:none;
    padding:15px;
    border-radius:12px;
    cursor:pointer;
    font-size:1rem;
    font-weight:bold;
    transition:.2s;
}

button:hover{
    transform:translateY(-2px);
}

.playlist button{
    background:white;
    color:#169c46;
}

.radio button{
    background:white;
    color:#ff6b35;
}

footer{
    margin-top:30px;
    text-align:center;
}

.stop-btn{
    background:#e63946;
    color:white;
    width:100%;
    max-width:400px;
}

.stop-btn:hover{
    background:#d62839;
}

@media(max-width:768px){

    main{
        grid-template-columns:1fr;
    }

    header h1{
        font-size:2.2rem;
    }

}

.tabs{
    display:flex;
    justify-content:center;
    gap:15px;
    margin-bottom:25px;
}

.tab-btn{
    background:#2a2a2a;
    color:white;
    padding:14px 28px;
    border-radius:999px;
}

.tab-btn.active{
    background:#3a8173;
}

.tab-content{
    display:none;
}

.active-tab{
    display:block;
}

.card{
    background:linear-gradient(135deg,#3a8173,#ff914d);
}