:root {
    --color1: #FFFFFF;
    --color2: #888888;
    --color3: #CCCCCC;
    --color4: #B3B3B3;
    --color5: #d70317;
    --color6: #000000;
    --color7: #999999;
    --opacity1: rgba(255, 255, 255, .5);
    --opacity2: rgba(255, 255, 255, .925);
    --opacity3: rgba(0, 0, 0, .5);
    --border1: 1px solid rgba(0, 0, 0, .3);
    --primaryHoverColor: #ad0112;
    --color-inaktiv: #000000;
    --backgroundColor: rgba(255, 255, 255, .7);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color1: #1c1c1c;
        --color2: #787878;
        --color3: #242424;
        --color4: #2b2b2b;
        --color5: #fdc1d3;
        --color6: #f2f2f2;
        --color7: #787878;
        --opacity1: rgba(0, 0, 0, .8);
        --opacity2: rgba(0, 0, 0, .925);
        --opacity3: rgba(255, 255, 255, .5);
        --border1: 1px solid rgba(255, 255, 255, .3);
        --primaryHoverColor: #FED6E2;
        --color-inaktiv: #000000;
        --backgroundColor: rgba(0, 0, 0, .7);
    }
}

* {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
    user-drag: none;
}

*:focus {
    outline: 0;
}

body {
    overflow: hidden;
    font-family: sans-serif;
    font-size: 95%;
    line-height: 1.4;
    color: var(--color6);
    user-select: none;
}

h1 {
    font-size: 2em;
    margin: 1em 10px;
}

#content {
    max-width: 640px;
    margin: 0 auto;
}

#onlineGame {
    position: relative;
    opacity: 1;
    width: 100%;
    margin: 0 auto 2em auto;
}

#credit {
    font-family: sans-serif;
    font-size: .85em;
    margin-top: .5em;
    color: var(--color2);
}


#mahjongboard {
    position: relative;
    z-index: 1;
    border: var(--border1);
    background-size: contain;
}

#mahjongboard * {
    -ms-content-zooming: none;
    -ms-touch-action: none;
    touch-action: none;
}

#mahjongboard .mFR {
    position: absolute;
    cursor: pointer;
    overflow: hidden;
    -webkit-border-radius: 15%;
    -moz-border-radius: 15%;
    border-radius: 15%;
    border: 1px solid var(--color3);
    background-color: var(--color1);
    -webkit-box-shadow: var(--color4) 2px 2px 2px;
    -moz-box-shadow: var(--color4) 2px 2px 2px;
    box-shadow: var(--color4) 2px 2px 2px;
}


#mahjongboard .mFR.aktiv {
    border: 3px solid var(--color5);
}

#mahjongboard .mFR.inaktiv {
    background-color: var(--color-inaktiv);
}


#mahjongboard .mFR img {
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    margin: 0;
    border-radius: 15%;
    border: 2px solid transparent;
}

/*
    todo
    Accessibility, but focus can't be the same as aktiv...

#mahjongboard .mFR img:focus {
    border-color: var(--color5);
}

#mahjongboard .mFR.inaktiv img:focus {
    border-color: transparent;
}
*/

#mahjongboard .mFR.inaktiv img {
    opacity: .8;
    cursor: auto;
}

@media (prefers-color-scheme: dark) {
    #mahjongboard .mFR.inaktiv img {
        opacity: .3;
    }
}

#settings {
    width: 100%;
    height: auto;
    padding: .5em 0;
    display: flex;
    justify-content: space-between;
}

#settings div div {
    display: inline-block;
    margin: 0 0 0 10px;
}

#settings #bestTime, #settings #time {
    margin: 0 10px 0 0;
}

#game_overlay {
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--backgroundColor);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

#game_overlay > div {
    display: none;
    flex-wrap: wrap;
    align-content: center;
    flex-direction: column;
    text-align: center;
    background-color: var(--color1);
    border: 2px solid var(--color7);
    -webkit-border-radius: 15px;
    -moz-border-radius: 15px;
    border-radius: 15px;
    padding: 0 1em .25em 1em;
    max-width: 340px;
}

.dialog h2 {
    margin: 10% auto 5% auto;
    font-size: 2em;
    line-height: 1.2em;
}

.dialog div, .dialog p {
    margin: 5px 10px;
    line-height: 1.4em;
}



.gameButton {
    display: inline-block;
    background-color: var(--color5);
    cursor: pointer;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border: 1px solid var(--color5);
    border-radius: 5px;
    line-height: 1em;
    color: var(--color1);
    padding: 0.2em 0.5em;
    margin: 2em auto;
    min-width: 105px;
}

.gameButton:hover {
    background-color: var(--primaryHoverColor);
    border-color: var(--primaryHoverColor);
}

.gameButton, input {
    margin: 2em;
    font-size: 1em;
    @media (min-width: 340px) {
        font-size: 1.2em;
    }
    @media (min-width: 860px) {
        font-size: 1.4em;
    }
}

.gameButton:focus {
    outline: max(1px, 1px) solid var(--color5);
    outline-offset: max(1px, 1px);
}

.gameButton.selected {
    background-color: var(--color1);
    color: var(--color5);
}

.gameButton.selected:hover {
    background-color: var(--color1);
    color: var(--color5);
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: .25; }
    100% { opacity: 1; }
}

.blinking {
    animation: blink 1s infinite;
}


@media (max-width: 400px) {
    body #settings {
        font-size: 80%;
    }
    #game_overlay > div {
        font-size: 90%;
    }
}

.hide {
    display: none;
}