.at-wrap, .at-wrap *, .at-wrap *::after, .at-wrap *::before {
    box-sizing: border-box;
}

.at-wrap {
    font-family: sans-serif;
    font-size: 12px;
    background-color: var(--page-bg-color, #f9f9f5);
    display: flex;
    flex-direction: column;
    position: relative;
}

.at-content {
    position: relative;
    flex: 1 1 auto;
}

/** Sidebar **/

.at-sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    max-width: 70px;
    width: auto;
    display: flex;
    align-content: stretch;
    z-index: 1001;
    overflow: hidden;
    border-right: 1px solid rgba(0, 0, 0, 0.12);
    background: #f7f7f7;
}

.at-sidebar:hover {
    max-width: 400px;
    transition: max-width 0.2s;
    overflow-y: auto;
}

.at-viewport {
    overflow-y: auto;
    position: absolute;
    top: 0;
    /* left: 70px; */
    left: 0;
    right: 0;
    bottom: 0;
    /* padding-right: 20px; */
}

/** Overlay **/

.at-overlay {
    /** Fill Parent */
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1002;
    /* Blurry dark shade */
    backdrop-filter: blur(3px);
    background: rgba(0, 0, 0, 0.5);
    /* center content */
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.at-overlay#at-overlay-error {
    box-shadow: inset 0px 0px 8px 2px #9d0000;
}

.at-overlay-content {
    /* white box with drop-shadow */
    margin-top: 20px;
    background: #fff;
    box-shadow: 0px 5px 10px 0px rgba(0, 0, 0, 0.3);
    padding: 10px;
}

/** Track selector **/

.at-track {
    display: flex;
    position: relative;
    padding: 5px;
    transition: background 0.2s;
    cursor: pointer;
}

.at-track:hover {
    background: rgba(0, 0, 0, 0.1);
}

.at-track>.at-track-icon, .at-track>.at-track-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.at-track>.at-track-icon {
    flex-shrink: 0;
    font-size: 32px;
    opacity: 0.5;
    transition: opacity 0.2s;
    width: 64px;
    height: 64px;
    margin-right: 5px;
    align-items: center;
}

.at-track-name {
    font-weight: bold;
    margin-bottom: 5px;
}

.at-track:hover>.at-track-icon {
    opacity: 0.8;
}

.at-track.active {
    background: rgba(0, 0, 0, 0.03);
}

.at-track.active>.at-track-icon {
    color: #4972a1;
    opacity: 1;
}

.at-track>.at-track-name {
    font-weight: 500;
}

/** Footer **/

.at-controls {
    flex: 0 0 auto;
    display: flex;
    justify-content: space-between;
    background: var(--main-bg-color, rgb(67, 109, 157));
    color: var(--main-text-color, #fff);
}

.at-controls>div {
    display: flex;
    justify-content: flex-start;
    align-content: center;
    align-items: center;
}

.at-controls>div>* {
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.at-controls a.btn {
    width: 44px;
    height: 48px;
    font-size: 16px;
    cursor: pointer;
    color: var(--main-text-color, #fff);
    text-decoration: none;
}

.at-controls a.btn.at-stepper {
    width: 25px;
}

.at-controls a.btn.iconHelper {
    justify-content: right;
    width: 28px;
}

.at-controls a.btn.disabled {
    cursor: progress;
    opacity: 0.5;
}

.at-controls a.active {
    background: var(--brighter1, rgb(85, 136, 199));
    text-decoration: none;
}

/* .at-controls .btn i {
    vertical-align: top;
} */

.at-controls select {
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    border: none;
    height: 40px;
    background: var(--main-bg-color, rgb(67, 109, 157));
    padding: 4px 4px;
    color: var(--main-text-color, #fff);
    font-size: 16px;
    text-align-last: left;
    text-align: left;
    -moz-text-align-last: left;
    cursor: pointer;
}

.at-controls input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    max-width: 80px;
    /* outline: none; */
    height: 4px;
}
.at-controls input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 14px;
    width: 14px;
    border-radius: 42%;
    background: #ffffff;
    cursor: pointer;
    margin-top: -1px;
    border: 1px solid #666;
}

.at-song-info {
    height: 48px;
    overflow-y: auto;
}

.at-song-title {
    font-weight: bold;
}

.at-song-album {
    font-size: 90%;
}

.fs14 {
    font-size: 14px;
}

.at-logo {
    background: var(--accent-bg-color, #e4e4e4);
    color: var(--dark-text-color, #838383);
    font-size: 14px;
    height: 100%;
}
.at-logo img {
    height: 30px;
}

.at-cursor-bar {
    /* Defines the color of the bar background when a bar is played */
    background: rgba(255, 242, 0, 0.2);
}

.at-selection div {
    /* Defines the color of the selection background */
    background: rgba(64, 64, 255, 0.1);
}

.at-cursor-beat {
    /* Defines the beat cursor */
    background: rgba(73, 161, 51, 0.55);
    width: 2px;
    transform: translateX(2px);
}

.at-highlight * {
    /* Defines the color of the music symbols when they are being played (svg) */
    fill: #5d9150;
    stroke: #5d9150;
}