/* ----

# Square Player
# By: Dreamer-Paul
# Last Update: 2024.4.20

一个简洁到极致的单曲播放器。

本代码为奇趣保罗原创，并遵守 MIT 开源协议。欢迎访问我的博客：https://paugram.com

---- */

sqp {
    width: 8em;
    height: 8em;
    color: #fff;
    float: left;
    display: block;
    overflow: hidden;
    user-select: none;
    position: relative;
    border-radius: 1em;
    margin: 0 0 1em 1em;
    background: #c8cae1 center/cover no-repeat;
}
sqp[left] {
    float: left;
    margin: 0 1em 1em 0;
}

sqp .sqp-info {
    left: 0;
    right: 0;
    bottom: 0;
    padding: .75em 0;
    font-size: .75em;
    position: absolute;
    backdrop-filter: blur(2px);
    background-color: rgba(0, 157, 255, 0.4);
}

sqp .sqp-title {
    padding: 0 1em;
    white-space: nowrap;
    display: inline-block;
}

sqp .sqp-toggle {
    width: 2em;
    height: 2em;
    opacity: .8;
    cursor: pointer;
    position: relative;
    border-radius: 66%;
    display: inline-block;
    backdrop-filter: blur(2px);
    box-shadow: 0 0 0 .25em rgba(0, 208, 255, 0.4);
    transform: translate(calc(4em - 50%), 100%);
    transition: opacity .3s, width .3s, height .3s, transform .3s;
    background: #fff center/1em no-repeat;
    background-image: url(data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeD0iMHB4IiB5PSIwcHgiIHZpZXdCb3g9IjAgMCAxMCAxMCI+DQo8cG9seWdvbiBmaWxsPSIjRkZGRkZGIiBzdHJva2U9IiMwMDAwMDAiIHN0cm9rZS1taXRlcmxpbWl0PSIxMCIgcG9pbnRzPSItNDEuMywyOC41IDIsLTQ2LjUgNDUuMywyOC41ICIvPg0KPHBvbHlnb24gcG9pbnRzPSIyLDEuNSA4LDUgMiw4LjUgIi8+DQo8L3N2Zz4NCg==)
}

sqp .sqp-toggle:hover {
    opacity: 1;
}

sqp .sqp-toggle.playing {
    width: 1.5em;
    height: 1.5em;
    transform: translate(.5em, .5em);
    background-image: url(data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeD0iMHB4IiB5PSIwcHgiIHZpZXdCb3g9IjAgMCAxMCAxMCI+DQo8cmVjdCB4PSIyIiB5PSIxIiB3aWR0aD0iMiIgaGVpZ2h0PSI4Ii8+DQo8cmVjdCB4PSI2IiB5PSIxIiB3aWR0aD0iMiIgaGVpZ2h0PSI4Ii8+DQo8L3N2Zz4NCg==);
}