/* RESET CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CÀI ĐẶT CHUNG */
body {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    background: linear-gradient(186deg, rgb(135, 230, 245) 0%, rgb(107, 160, 186) 93%);
}

/* ===== STYLE CHUNG ===== */
.container {
    width: 350px;
    height: 550px;
    border-radius: 20px;
    background: #b3ecffa5;
    box-shadow: 0 40px 90px #b3ecffb8;
    padding: 30px;
    overflow: hidden;
    color: aliceblue;
}
.container2{
    width: 280px;
    height: 300px;
    border-radius: 20px;
    background: #b3ecffa5;
    box-shadow: 0 40px 90px #b3ecffb8;
    padding: 30px;
    overflow: hidden;
    color: aliceblue;
}
.song-name, .artist {
    text-align: center;
    text-transform: capitalize;
    color: black;
}

.song-name {
    font-size: 25px;
    font-weight: 500;
    margin-bottom: 10px;
}

.artist {
    font-size: 15px;
}

/* ===== CÀI ĐẶT CHO WINDOWS ===== */
@media only screen and (min-width: 1024px) {
    .container{
        width: 350px;
        height: 550px;
        border-radius: 20px;
        background: #b3ecffa5;
        box-shadow: 0 40px 90px #b3ecffb8;
        padding: 30px;
        overflow: hidden;
        color: aliceblue;
    }
    .container2{
        width: 280px;
        height: 300px;
        border-radius: 20px;
        background: #b3ecffa5;
        box-shadow: 0 40px 90px #b3ecffb8;
        padding: 30px;
        overflow: hidden;
        color: aliceblue;
    }
    .song-name,.artist{
        text-align: center;
        text-transform: capitalize;
        color: black;
    }
    .song-name{
        font-size: 25px;
        font-weight: 500;
        margin-bottom: 10px;
    }
    .artist{
        font-size: 15px;
    }
    .box-disk{
        width: 180px;
        height: 180px;
        border-radius: 50%;
        position: relative;
        display: block;
        margin: 40px auto;
        background: url(images/photo-1.jpg) no-repeat top left;
        background-size: cover;
        box-shadow: 0 0 0 5px rgba(31, 175, 211, 0.8);
        animation: rotate 20s linear infinite;
        animation-play-state: paused;
    }
    .box-disk.play{
        animation-play-state: running;
    }
    .box-disk::before{
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: #03c4ff;
    }

    .music-slider{
        width: 100%;
        float: left;
        position: relative;
    }
    .seek-bar{
        width: 100%;
        height: 5px;
        border-radius: 10px;
        background: #ccc;
        -webkit-appearance: none;
        cursor: pointer;
        overflow: hidden;   
    }
    .seek-bar::-webkit-slider-thumb{
        -webkit-appearance: none;
        width: 1px;
        height: 20px;
        background: forestgreen;
        box-shadow: -400px 0 0 400px rgb(67, 207, 229);
    }
    .current-time,.music-time{
        font-size: 12px;
    }
    .music-time{
        position: absolute;
        float: left;
        right: 0;
    }
    .controls{
        width: 60%;
        display: flex;
        justify-content: space-between;
        margin: auto;
        margin-top: 20px;
    }
    .btn-play{
        position: relative;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: whitesmoke;
        cursor: pointer;
        border: none;
    }
    .btn-play span{
        position: absolute;
        top:50%;
        left: 25%;
        transform: translateY(-50%);
        width: 10px;
        height: 30px;
        border-radius: 2px;
        background: rgba(31, 175, 211, 0.8);
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
        transition: .5s;
    }
    .btn-play span:nth-child(2){
        left: 55%;
        transform-origin: center;
    }
    .btn-play.pause span:nth-child(2){
        transform:translateY(-50%) scaleY(0);
    }
    .btn-play.pause span:nth-child(1){
        width: 35%;
        left: 53%;
        transform:translate(-50%,-50%);
        border-radius: 0;
        clip-path: polygon(0 0, 100% 50%, 100% 50%, 0% 100%);
    }

    .btn-play.pause{
        animation: pulse 2s linear infinite;
    }

    @keyframes pulse{
        0%{
            box-shadow: 0;
        }
        50%{
            box-shadow: 0 0 0 5px rgba(16,53,123,0.1);
        }
        100%{
            box-shadow: 0 0 0 5px rgba(31, 175, 211, 0.661);
        }
    }


    .btn{
        width: 40px;
        height: 40px;
        background: whitesmoke;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        border: none;
        cursor: pointer;
        margin-top: 5px;
    }

    @keyframes rotate{
        0%{
            transform: rotate(0);
        }
    
        100%{
            transform: rotate(360deg);
        }

    }
}
/* ===== CÀI ĐẶT CHO iPHONE ===== */
@media only screen and (max-width: 600px) {
    .container {
        width: 90%;
        height: auto;
        padding: 20px;
        border-radius: 15px;
        background: rgba(179, 236, 255, 0.8);
    }

    .song-name {
        font-size: 20px;
    }

    .artist {
        font-size: 13px;
    }

    .box-disk {
        width: 120px;
        height: 120px;
    }

    .controls {
        width: 80%;
    }

    .btn-play {
        width: 45px;
        height: 45px;
    }
}