:root {
    --primary-color: #1DB954;
    --text-color: #333;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: inherit;
}

body {
    background-color: #ebebeb;
}

html {
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

.player {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
}

.player .icon-pause {
    display: none;
}

.player.playing .icon-pause {
    display: inline-block;
}

.player.playing .icon-play {
    display: none;
}

.player .fa-volume-up {
    display: inline-block;
}

.player .fa-volume-mute {
    display: none;
}

.dashboard {
    margin-top: 10px;
    border-radius: 10px;
    padding: 16px 16px 14px;
    background-color: #fff;
    position: fixed;
    top: 0;
    width: 100%;
    max-width: 480px;
}

/* HEADER */
header {
    text-align: center;
    margin-bottom: 10px;
}

/* DARKMODE */
header h4 {
    color: var(--primary-color);
    font-size: 12px;
    width: 100%;
}

.bi-brightness-high-fill {
    color: #FFCC00;
}

.bi-moon {
    color: #67bfe2;
}
/* //////// */
header i {
    font-size: 20px;
    cursor: pointer;
    position: absolute;
    top: 8px;
    left: 16px;
}

header h2 {
    color: var(--text-color);
    font-size: 20px;
}

/* TEXT-SCROLL */
#scroll-container {
    /* Ẩn nội dung vượt quá kích thước của khung */
    overflow: hidden;
    /* Độ rộng của khung cuộn */
    width: 80%;
    margin-left: 10%;
}

#scroll-text {
    /* Ngăn chữ xuống dòng */
    white-space: nowrap;
    /* Sử dụng animation */
    animation: scrollText 8s linear infinite;
}

@keyframes scrollText {
    0% {
        /* Bắt đầu từ phía bên phải */
        transform: translateX(100%);       
    }

    100% {
        /* Di chuyển sang bên trái */
        transform: translateX(-100%);        
    }
}

/* CD */
.cd {
    display: flex;
    margin: auto;
    width: 200px;
    border-radius: 50%;
}

.cd-thumb {
    width: 100%;
    padding-top: 100%;
    border-radius: 50%;
    background-color: #333;
    background-size: cover;
    margin: auto;
}

/* CONTROL */
.control {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 18px 0 8px 0;
}

.control .btn {
    color: #666;
    padding: 18px;
    font-size: 18px;
}

.control .btn.active {
    color: var(--primary-color);
}

.control .btn-toggle-play {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    font-size: 24px;
    color: #424242;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
}

.progress {
    width: 100%;
    -webkit-appearance: none;
    height: 13px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: 0.2s;
    transition: opacity 0.2s;
    border-radius: 25px;
    overflow: hidden;
}

.progress::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 13px;
    height: 13px;
    background-color: #fff;
    cursor: pointer;
    border-radius: 50%;
    border: 3.5px solid #1DB954;
    box-shadow: -407px 0 0 400px #38E54D;
}

/* VOLUME-CONTROL */
[class="volume-range"] {
    margin: 0;
    padding: 0;
    width: 100px;
    height: 1.5em;
    background:transparent;
    outline: none;
}

/* Cần chỉnh sửa */
[class="volume-range"],
[class="volume-range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
}

[class="volume-range"]::-webkit-slider-thumb {
    box-sizing: border-box;
    border: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ebebeb;
    border: 3.5px solid #38E54D;
}

[class="volume-range"]::-moz-range-thumb {
    box-sizing: border-box;
    border: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.player .volume-control {
    height: 100%;
    display: flex;
    justify-content: center;
}

.player .volume-control .volume-panel {
    position: relative;
    width: 0px;
    transition: width 0.2s;
    overflow: hidden;
}

.player .volume-control .volume-panel .input-div {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    width: 100px;
    height: 3px;
}

.player .volume-control .volume-panel .input-div .volume-input-div {
    position: relative;
    width: 100%;
    height: 100%;
    background: #424242;
}

.player .volume-control .volume-panel .input-div .volume-input-div input {
    position: absolute;
    top: -8.5px;
    cursor: pointer;
}

.player .volume-control .volume-panel .input-div .volume-input-div .volume-progress {
    background-color: #38E54D;
    width: 100px;
    height: 100%;
    margin-top: 6px;
}

.player .volume-control .volume-btn {
    margin-top: 12px;
    margin-right: 12px;
    width: 100%;
    max-width: 12px;
    margin-left: 12px;
    color: #666;
}

/* TIME-COUNTER */
.player .time-display .audio-duration {
    float: right;
}

/* PLAYLIST */
.playlist {
    margin-top: 472px;
    padding: 12px;
}

.song {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    background-color: #fff;
    padding: 8px 16px;
    border-radius: 5px;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
    height: 88px;
}

.song.active {
    background-color: var(--primary-color);
}

.song:active {
    opacity: 0.8;
}

.song.active .option,
.song.active .author,
.song.active .title {
    color: #fff;
}


.song .thumb {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-size: cover;
    margin: 0 8px;
}

.song .body {
    flex: 1;
    padding: 0 16px;
}

.song .title {
    font-size: 18px;
    color: var(--text-color);
}

.song .author {
    font-size: 12px;
    color: #999;
    padding-top: 4px;
}

.song .option {
    padding: 16px 8px;
    color: #999;
    font-size: 18px;
}