@font-face {
    font-family: "Roboto";
    src: url(fonts/roboto.ttf) format("truetype");
}

:root {
    --title-color: #b0c3ab;
    --playfield-color: #807F7E;
    --cell-color: #cbc9c8;
    --footer-color: #98C2F0;

    --shadow-size: 3px;
    --shadow-color: #575656;
    --highlight-color: #FAF8F7;

    --hover-color: #A8A7A7;

    --playfield-size: 9;
    --cell-spacing: 2px;
}

* {
    margin: 0;
    font-family: 'Roboto', Arial, Helvetica, sans-serif;
    user-select: none;
}

header {
    background-color: var(--title-color);
    height: 25%;
    color: #000;
}

@media (min-width: 700px) {
    header {
        background-image: url(images/header-background.webp);
        background-size: cover;
        text-shadow: 2px 2px 0 #000, -2px 2px 0 #000, 2px -2px 0 #000, -2px -2px 0 #000;
        color: #fff;
    }

    /*text interessant machen*/
    header p:hover, header h1:hover {
        color: #000;
        text-shadow: 2px 2px 0 #fff, -2px 2px 0 #fff, 2px -2px 0 #fff, -2px -2px 0 #fff;
        mix-blend-mode: difference;
        filter: invert(1);
    }

}

.title-field {
    padding: 7.5%;
}

#playfield {
    position: relative;
    background-color: var(--playfield-color);
    height: 50%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: space-between;
    align-content: space-between;
}

#buttons {
    background-color: var(--title-color);
    height: 20%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

#buttons button {
    border-radius: 15px;
    height: 50%;
    width: 25%;
    text-transform: uppercase;
    cursor: pointer;
}

#buttons button:hover {
    filter:brightness(75%);
}

footer {
    background-color: var(--footer-color);
    height: 5%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-field a {
    cursor: pointer;
}

.cell {
    background-color: var(--cell-color);
    border-left: var(--highlight-color) solid var(--shadow-size);
    border-top: var(--highlight-color) solid var(--shadow-size);
    border-right: var(--shadow-color) solid var(--shadow-size);
    border-bottom: var(--shadow-color) solid var(--shadow-size);
    width: calc(100%/var(--playfield-size) - (2*var(--shadow-size)));
    height: calc(100%/var(--playfield-size) - (2*var(--shadow-size)));
    flex-shrink: 0;
}

.uncovered:not(.cell-sym-0) {
    /*border: rgba(0, 0, 0, 0) solid var(--shadow-size);*/
    width: calc(100%/var(--playfield-size) - (2px));
    height: calc(100%/var(--playfield-size) - (2px));
    border: var(--playfield-color) solid 1px;
}
/*Number 1*/
.cell-sym-1 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 0%;
}
/*Number 2*/
.cell-sym-2 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 11%;
}
/*Number 3*/
.cell-sym-3 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 22%;
}
/*Number 4*/
.cell-sym-4 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 33%;
}
/*Number 5*/
.cell-sym-5 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 44%;
}
/*Number 6*/
.cell-sym-6 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 55%;
}
/*Number 7*/
.cell-sym-7 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 66%;
}
/*Number 8*/
.cell-sym-8 {
    background-image: url(images/minesweeper-icons.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 77%;
}
/*Marker (Rat)*/
.cell-sym-9 {
    background-image: url(images/marker-rat.svg);
    background-size: cover;
    background-repeat: no-repeat;
    background-color: var(--cell-color);
}
/*Mine*/
.cell-sym-0 {
    background-image: url(images/mine.svg);
    background-color: var(--playfield-color);
    background-size: cover;
    background-repeat: no-repeat;
    border-left: var(--shadow-color) solid var(--shadow-size);
    border-top: var(--shadow-color) solid var(--shadow-size);
    border-right: var(--highlight-color) solid var(--shadow-size);
    border-bottom: var(--highlight-color) solid var(--shadow-size);
}

.clicked-mine{
    background-color: red;
}

/*Highlight hovered cell*/
.cell:hover:not(.uncovered) {
    background-color: var(--hover-color);
}
.cell:hover:not(.cell-sym-9):not(.uncovered) {
    cursor: pointer;
}

html, body {
    height: 100%;
    background-color: #000;
}
/*Stump, didn't want to remove to highlight should anything go wrong after all*/
#content {
    width: min(100vw, 50vh);
    height: min(100vh, 200vw);
    background-color: orange;
    margin: 0 auto;
}

.overlay {
    position: absolute;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-content: center;
    justify-content: center;
}

.overlay-box {
    border: var(--highlight-color) solid 3px;
    background-color: #fff;
    padding: 25px;
    border-radius: 15px;
    font-size: 2em;
    align-content: center;
    text-align: center;
}

#playfield:not(:hover) .overlay {
    display: none;
}