html {
    width: 100%;
    height: 100vh;
}

body,
body * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    --main-color: hsl(0, 13%, 91%);
    --secondary-color: hsl(138, 0%, 66%);
    --spotify-color: hsl(138, 60%, 46%);
    --white: hsl(0, 0%, 95%);
    color: var(--main-color);
    font-family: "Roboto", sans-serif;
    background-color: #000;
    filter: opacity(1);
    transition: filter 1s;
}

a {
    text-decoration: none;
    font-weight: 800;
    color: inherit;
}

main {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

section {
    width: 100%;
    padding: 1vh;
    flex-grow: 0.75;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

section:not(:first-child) {
    visibility: hidden;
}

body.loggedin section:not(:first-child) {
    visibility: initial;
}

/************** LOGIN/OUT *************/

#auth {
    flex-grow: 0.25;
}

button {
    background: url(https://streamstereo.now.sh/assets/Spotify_Icon_RGB_White.png) var(--spotify-color);
    background-position: 3px 2.3px;
    background-size: 20px;
    background-repeat: no-repeat;
    height: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 4px 3px 8px;
    color: var(--white);
    cursor: pointer;
    border-radius: 500px;
    border: 0;
    font: inherit;
    padding-left: 25px;
}

/*************** PLAYBACK *************/

#playback {
    color: var(--secondary-color);
    min-height: 15vh;
    font-size: 0.9em;
    align-items: stretch;
    justify-content: space-evenly;
}

#device,
#artist,
#title,
#context {
    font-size: 1.1em;
}

#device {
    width: 45%;
}

#artist {
    margin-top: 0.2em;
    font-weight: 700;
}

#artist::before {
    content: "by ";
    font-weight: initial;
}

#track {
    font-size: 1.1em;
}

#context::before {
    content: "via ";
}

/*************** CONTROLS *************/

#controls {
    min-height: 25vw;
    display: grid;
    justify-items: stretch;
    align-items: stretch;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: 4fr 1fr;
    grid-template-areas: "prev prev prev prev playpause playpause playpause playpause skip skip skip skip"
        "seek-back seek-back seek-back shuffle shuffle shuffle repeat repeat repeat seek-forward seek-forward seek-forward";
}

#controls * {
    background-color: var(--main-color);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-repeat: no-repeat;
    mask-position: center;
}

#controls *:active {
    background-color: var(--secondary-color);
}

.first-row {
    -webkit-mask-size: 50%;
    mask-size: 50%;
}

.second-row {
    -webkit-mask-size: auto 90%;
    mask-size: auto 90%;
}

#prev {
    -webkit-mask-image: url(icons/icons8-skip-to-start-100.png);
    mask-image: url(icons/icons8-skip-to-start-100.png);
    grid-area: prev;
}

#playpause {
    -webkit-mask-image: url(icons/icons8-pause-100.png);
    mask-image: url(icons/icons8-pause-100.png);
    grid-area: playpause;
}

#playpause.paused {
    -webkit-mask-image: url(icons/icons8-play-100.png);
    mask-image: url(icons/icons8-play-100.png);
}

#skip {
    -webkit-mask-image: url(icons/icons8-end-100.png);
    mask-image: url(icons/icons8-end-100.png);
    grid-area: skip;

}

#seek-back {
    -webkit-mask-image: url(icons/icons8-winkel-links-90.png);
    mask-image: url(icons/icons8-winkel-links-90.png);
    grid-area: seek-back;
}

#seek-forward {
    -webkit-mask-image: url(icons/icons8-winkel-rechts-90.png);
    mask-image: url(icons/icons8-winkel-rechts-90.png);
    grid-area: seek-forward;
}

#shuffle,
#repeat {
    background-color: var(--secondary-color);
}

#shuffle:active,
#repeat:active {
    background-color: var(--main-color);
}

#shuffle.enabled,
#repeat.context,
#repeat.track {
    background-color: var(--spotify-color);
}

#shuffle {
    -webkit-mask-image: url(icons/icons8-shuffle-90.png);
    mask-image: url(icons/icons8-shuffle-90.png);
    grid-area: shuffle;
}

#repeat {
    -webkit-mask-image: url(icons/icons8-repeat-90.png);
    mask-image: url(icons/icons8-repeat-90.png);
    grid-area: repeat;
}

#repeat.track {
    -webkit-mask-image: url(icons/icons8-repeat-one-90.png);
    mask-image: url(icons/icons8-repeat-one-90.png);
}

/*************** LOOPING **************/

#loop {
    display: grid;
    justify-items: center;
    align-items: center;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 2.5em);
    grid-template-areas: "label toggle"
        "range range"
        "from to";
}

#loop label {
    grid-area: label;
}

/************* TOGGLE CHECKBOXES *************/

.toggle {
    --toggle-width: 2.5em;
    --toggle-height: 1em;
    --toggle-transition-time: 0.1s;
    --toggle-bar-color-unchecked: var(--secondary-color);
    --toggle-bar-color-checked: var(--secondary-color);
    --toggle-button-color-unchecked: var(--white);
    --toggle-button-color-checked: var(--spotify-color);
}

input[type="checkbox"].toggle {
    cursor: pointer;
    -webkit-appearance: none;
    vertical-align: middle;
    box-sizing: border-box;
    width: var(--toggle-width);
    height: var(--toggle-four-thirds);
    position: relative;
    --toggle-four-thirds: calc(var(--toggle-height) * 4 / 3);
}

/* bar */

input[type="checkbox"].toggle::before {
    opacity: 0.4;
    background-color: var(--toggle-bar-color-unchecked);
    box-sizing: border-box;
    width: var(--toggle-width);
    ;
    height: var(--toggle-height);
    ;
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-radius: calc(var(--toggle-height) / 2);
    transition: all var(--toggle-transition-time);
}

input[type="checkbox"].toggle:checked::before {
    background-color: var(--toggle-bar-color-checked);
}

input[type="checkbox"].toggle[disabled]::before {
    filter: contrast(5);
}

/* button */

input[type="checkbox"].toggle::after {
    filter: brightness(0.9);
    background-color: var(--toggle-button-color-unchecked);
    box-sizing: border-box;
    width: var(--toggle-four-thirds);
    height: var(--toggle-four-thirds);
    content: "";
    position: absolute;
    border-radius: 50%;
    left: 0;
    will-change: left;
    transition: all var(--toggle-transition-time);
}

input[type="checkbox"].toggle:checked::after {
    filter: brightness(1);
    background-color: var(--toggle-button-color-checked);
    left: calc(100% - var(--toggle-four-thirds));
}

input[type="checkbox"].toggle[disabled]::after {
    background-color: var(--secondary-color) !important;
}

/************** END TOGGLE CHECKBOXES **************/

#toggle {
    grid-area: toggle;
}

#rangewrapper {
    grid-area: range;
}

input[type="range"].multirange.ghost {
    --range-color: var(--spotify-color);
}

input[type="range"].multirange.ghost:disabled {
    --range-color: var(--secondary-color);
}

input[type=time] {
    -moz-appearance: textfield;
    padding: 1px 3px;
    color: var(--main-color);
    border: 1px solid var(--secondary-color);
    background-color: var(--background-color);
    cursor: text;
}

input[type=time]:disabled {
    color: var(--secondary-color);
}

input[type="time"]::-webkit-clear-button {
    display: none;
}

input[type="time"]::-webkit-outer-spin-button,
input[type="time"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input:invalid {
    color: var(--red) !important;
}

#from {
    grid-area: from;
}

#to {
    grid-area: to;
}

/********** OVERLAY ********/

#overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    padding: calc(5vh + 5vw);
    background-color: rgba(0, 0, 0, 0.85);
    width: 100%;
    height: 100%;
    z-index: 100;
}

#overlay>div {
    margin-bottom: 10vh;
}

/******** ABSOLUTE BUTTONS ********/

#absolutebuttons {
    position: absolute;
    right: 0;
    bottom: 2vw;
    display: flex;
    z-index: 200;
}

#absolutebuttons>div {
    margin-right: 2vw;
    height: 7.5vw;
    width: 7.5vw;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
}