index.css

:root{
    --font: 'Open Sans', sans-serif;
    --marginSmall: 10px;
    --marginBig: 20px;
    --paddingBtns: 5px 10px;
    --borderRadius: 10%;
    --cNavyBlue: #1f2b44;
    --cOpaqueNavyBlue: #1f2b441c;
    --cBeige: #b5875e;
    --cOpaqueBeige: #b5875e10;
    --cRed: #811c2c;
    --cGrey: rgb(126, 126, 133);
    /* convert hex to CSS filter:  https://codepen.io/sosuke/pen/Pjoqqp  */
    --cNavyBlueFilter: invert(16%) sepia(9%) saturate(2787%) hue-rotate(183deg) brightness(92%) contrast(95%);
    --cBeigeFilter: invert(54%) sepia(39%) saturate(459%) hue-rotate(347deg) brightness(98%) contrast(84%);
    --cRedFilter: brightness(0) saturate(100%) invert(9%) sepia(49%) saturate(6070%) hue-rotate(340deg) brightness(101%) contrast(86%);
}
*{
    margin:0;
    padding: 0;
    font-family: var(--font);
}
body{
    display: flex;
    flex-direction: column;
    justify-content:space-between;
}
.title{
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--cNavyBlue);
}
.anchor{
    height: 50px;
    margin: 0 var(--marginSmall) 0 var(--marginSmall);
    filter: var(--cNavyBlueFilter);
}
.anchor-2{
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
}
.title h1{
    font-size: 50px;
}
.title span{
    color: var(--cBeige);
    font-weight: lighter;
}
@media only screen and (max-width: 600px){
.title h1{
    font-size: 30px;
}
.anchor{
    height: 30px;
}
}
@media only screen and (max-width: 350px) {
    .title h1 {
        font-size: 20px;
    }
    .anchor {
        height: 20px;
    }
}

/* Button container: HC or HH game type */
.button-container{
    margin: var(--marginBig) 0 0 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--marginSmall);
    border-bottom: 5px solid var(--cNavyBlue);
}
.game-type-btns{
    padding: var(--paddingBtns);
    text-decoration: none;
    font-size: 17px;
    color: var(--cBeige);
    background-color: white;
    border: 2px solid var(--cNavyBlue);
    border-bottom: none;
    border-top-right-radius: var(--borderRadius);
    border-top-left-radius: var(--borderRadius);
}
.game-type-btn-clicked{
    color: var(--cBeige);
    background-color: var(--cNavyBlue);
    border: 2px solid var(--cNavyBlue);
    border-bottom: none;
}
@media only screen and (max-width: 600px) {
    .game-type-btns {
        font-size: 12px;
    }
}
@media (hover: hover) {
    .game-type-btns:hover {
        background-color: var(--cBeige);
        color: var(--cNavyBlue);
        border: 2px solid var(--cNavyBlue);
        border-bottom: none;
    }
}
/* ****** CONTENT ****** */
/* message container */
.content{
    flex-grow:10;
    margin: var(--marginSmall) 0 var(--marginSmall) 0;
    display: flex;
    flex-direction: column;
}
.message-container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.content p{
    color: var(--cNavyBlue);
}
.button-style{
    margin: var(--marginSmall) 0 var(--marginSmall) 0;
    border: 2px solid var(--cNavyBlue);
    background-color: var(--cBeige);
    padding: var(--paddingBtns);
    border-radius: var(--borderRadius);
    font-size: 15px;
    font-weight: bold;
}
.start-game-btn-not-ready,
.button-style-not-ready{
    border: 2px solid var(--cOpaqueNavyBlue);
    background-color: var(--cOpaqueBeige);
    color: var(--cOpaqueNavyBlue) ;
}
@media only screen and (max-width: 600px) {
    .button-style{
        font-size: 12px;
    }
    .message-container{
        font-size: 12px;
    }
}
@media (hover: hover) {
    .button-style:hover {
            background-color: var(--cNavyBlue);
            border: 2px solid var(--cNavyBlue);
            color: var(--cBeige);
            cursor: pointer;
    }
    .start-game-btn-not-ready:hover,
    .button-style-not-ready:hover {
        border: 2px solid var(--cOpaqueNavyBlue);
        background-color: var(--cOpaqueBeige);
        color: var(--cOpaqueNavyBlue);
        cursor: default;
    }
}

/* Boards */
.boards-container{
    margin-top: var(--marginSmall);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--marginBig);
    flex-wrap: wrap;
}
.player-container{
    display: flex;
    flex-direction: column;
    align-content: stretch;
    gap: var(--marginSmall);
}
.board-p1, .board-p2{
    border: 1px solid var(--cNavyBlue);
    display: grid;
    grid-template-rows: repeat(8, 50px);
    grid-template-columns: repeat(8, 50px);
    
}
.coord-div{
    border: 1px solid var(--cNavyBlue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.hidden-coord{
    background-color: var(--cGrey);
}
@media only screen and (max-width: 600px) {
    .player-name {
        font-size: 17px;
    }
    .board-p1,
    .board-p2 {
        grid-template-rows: repeat(8, 45px);
        grid-template-columns: repeat(8, 45px);
    }
}
@media only screen and (max-width: 350px) {
    .board-p1,
    .board-p2 {
        grid-template-rows: repeat(8, 30px);
        grid-template-columns: repeat(8, 30px);
    }
}

/* Coord hit */
.spot-hit-blue, .spot-hit-red{
    font-size: 50px;
}
.spot-hit-blue{
    color: var(--cNavyBlue);
}
.spot-hit-red{
    color: var(--cRed);
}

@media only screen and (max-width: 600px) {
    .spot-hit-blue,
    .spot-hit-red {
        font-size: 45px;
    }
}

@media only screen and (max-width: 350px) {
    .spot-hit-blue,
    .spot-hit-red {
        font-size: 30px;
    }
}

/* Ships to be positioned */
.ship-container{
    display: flex;
    flex-direction: column;
    gap: var(--marginSmall);
    flex-grow: 4;
}
.ship-sub-container{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--marginSmall);
}
.rotate-ship-icon{
    font-size: 30px;
    cursor:pointer;
    color: var(--cNavyBlue);
}
.the-ship{
    display: flex;
}
.the-ship-vertical{
flex-direction: column;
}
.ship-part{
    width: 48px;
    height: 48px;
}
.the-ship-vertical .ship-part{
    transform:rotate(90deg);
    transform-origin: center;
}
.ship-not-positioned{
    cursor:grab;
}
.ship-part-sunk{
    filter: var(--cRedFilter);
}
.coords-on-drag{
    background-color: var(--cBeige);
}
@media only screen and (max-width: 600px) {
    .ship-part {
        width: 43px;
        height: 43px;
    }
}
@media only screen and (max-width: 350px) {
    .rotate-ship-icon {
        font-size: 28px;
    }
    .ship-part {
        width: 28px;
        height: 28px;
    }
}
@media (hover: hover) {
    .rotate-ship-icon:hover {
        color: var(--cBeige);
    }
}

/* Individual ship styling */
/* Ship images source: Battleship vector created by macrovector - https: //www.freepik.com/vectors/battleship */
.ship-1-part-1{
    background: url('./images/ship_1.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-1-part-2 {
    background: url('./images/ship_1.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-1-part-1.ship-part-vertical, .ship-1-part-2.ship-part-vertical{
    transform: rotate(90deg);
    transform-origin: center;
}

.ship-2-part-1 {
    background: url('./images/ship_2.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-2-part-2 {
    background: url('./images/ship_2.png') no-repeat center bottom/cover;
    background-position: center;
}
.ship-2-part-3 {
    background: url('./images/ship_2.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-2-part-1.ship-part-vertical,
.ship-2-part-2.ship-part-vertical,
.ship-2-part-3.ship-part-vertical {
    transform: rotate(90deg);
    transform-origin: center;
}
.ship-3-part-1 {
    background: url('./images/ship_3_a.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-3-part-2 {
    background: url('./images/ship_3_a.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-3-part-3 {
    background: url('./images/ship_3_b.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-3-part-4 {background: url('./images/ship_3_b.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-3-part-1.ship-part-vertical,
.ship-3-part-2.ship-part-vertical,
.ship-3-part-3.ship-part-vertical,
.ship-3-part-4.ship-part-vertical {
    transform: rotate(90deg);
    transform-origin: center;
}
.ship-4-part-1 {
    background: url('./images/ship_4_a.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-4-part-2 {
    background: url('./images/ship_4_a.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-4-part-3 {
    background: url('./images/ship_4_b.png') no-repeat center bottom/cover;
    background-position: left;
}
.ship-4-part-4 {
    background: url('./images/ship_4_b.png') no-repeat center bottom/cover;
    background-position: right;
}
.ship-4-part-1.ship-part-vertical,
.ship-4-part-2.ship-part-vertical,
.ship-4-part-3.ship-part-vertical,
.ship-4-part-4.ship-part-vertical {
    transform: rotate(90deg);
    transform-origin: center;
}

/* ****** SWITCH MODAL ****** */
.boards-container{
    position: relative;
}
.switch-modal{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* ****** CURSOR AND HIDE ****** */
/* cursor target */
/* Source: "https://www.flaticon.com/free-icons/target" Target icon created by Pixel perfect - Flaticon */
.cursorTarget{
    cursor: url('./images/iconTarget.png') 16 16, auto;
}
/* hide items */
.hide{
    display:none;
}

/* ****** FOOTER ****** */
/* Footer */
footer {
    border-top: 5px solid var(--cNavyBlue);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0px 0px 10px 0px;
    min-height: 30px;
}

footer p {
    margin-right: 7px;
    color: var(--cNavyBlue);
}

footer a {
    display: flex;
    align-items: flex-end;
}

footer ion-icon {
    font-size: 20px;
    padding-left: 5px;
    color: var(--cNavyBlue);
}

footer ion-icon:hover {
    transform: scale(2) rotateZ(360deg);
}