*,*::after,*::after{
    box-sizing: border-box;
}
*:focus,
*:active {
    -webkit-tap-highlight-color: transparent;
    outline: none !important;
}
:root{
    --color-blue:#47E5BC;
    --color-blue-transparent:#47e5bb9a;
    --color-gray:#564D4A;
    --color-gray-transparent:#564d4aa2;
    --color-white:#F7F4F3;
    --color-white-transparent:rgba(255, 255, 255, 0.567);
    --font-montserrat:"Montserrat", sans-serif;
    --font-roboto:"Roboto", sans-serif;
}
body{
    align-items: center;
    background-color: var(--color-gray);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    font-family: var(--font-roboto);
    gap: 15px;
    padding: 10px 0 10px 0;
}
.blur{
    filter: blur(3px);
}

/* TITLE */
.title{
    color: var(--color-white);
    height: fit-content;
    text-align: center;
}
.title h1{
    font-size: min(2em,6vw);
    font-weight: 800;
}

/* DIALOG */
dialog{
    border: 0;
    border-radius: 15px;
    margin-top: 50px;
    width: min(500px,90%);
}
dialog::backdrop{
    background-color: var(--color-gray-transparent);
}
#form-new-game{
    display: flex;
    flex-direction: column;
    font-size: min(6vw,1.8rem);
    font-weight: 400;
    gap: 15px;
}
#form-new-game h2{
    font-size: min(6.4vw,2rem);
    font-weight: 500;
}
#form-new-game input{
    border: 1px solid var(--color-blue);
    font-size: min(6vw,1em);
    outline: 1px solid var(--color-blue);
}
#game-start{
    align-self: center;
    background-color: var(--color-blue);
    border: 8px solid var(--color-blue);
    color: var(--color-white);
    cursor: pointer;
    font-size: min(6.4vw,2rem);
    font-weight: 900;
    outline: 0;
    padding: 5px 10px 5px 10px;
    width: fit-content;
}
#game-start:focus{
    border: 0;
}

/* Main */
#main{
    display: flex;
    flex-wrap: wrap-reverse;
    justify-content: space-around;
    gap: 10px;
    width: min(100%,900px);
}
/* BOARD */
#game{
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}
#indicator{
    font-family: var(--font-montserrat);
    text-align: center;
    font-weight: 700;
    background-color: var(--color-blue-transparent);
    align-self: center;
    width: 50%;
    padding: 5px 10px 5px 10px;
    font-size: min(1em,3vw);
    display: flex;
    justify-content: space-between;
}
#board{
    aspect-ratio: 1/1;
    background-color: var(--color-blue);
    display: grid;
    gap: min(1vw,8px);
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    width: min(80vw,400px);
}

.cell{
    align-items: center;
    background-color: var(--color-gray);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    font-family: var(--font-montserrat);
    font-size: min(20vw,6.5em);
    justify-content: center;
}

.X{
    color: rgb(224, 84, 84);
}
.O{
    color: rgb(0, 98, 255);
}
.restart-button{
    background-color: var(--color-blue);
    border: 0;
    color: var(--color-gray);
    border: 3px solid var(--color-blue);
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    padding: 8px;
}
.restart-button:active{
    border: 3px solid var(--color-gray);
}
/* DISPLAY */
#display{
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 5px;
    width: min(80vw,400px);
}
.player{
    border: 2px solid var(--color-white);
    font-size: min(1.2em,5vw);
    font-weight: 800;
    padding: 5px;
    text-align: center;
}
#scores{
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#round-result{
    border: 2px solid var(--color-white);
    color: var(--color-white);
    padding: 5px;
    font-size: min(1.2em,5vw);
    font-weight: 600;
}
/* WINNER ANNOUNCEMENT */
.display-off{
    display: none;
}
.display-on{
    align-items: center;
    background-color: var(--color-white-transparent);
    color: var(--color-gray);
    display: flex;
    font-size: 10vw;
    font-weight: 900;
    height: 100%;
    justify-content: center;
    position: absolute;
    top: 0;
    width: 100%;
    backdrop-filter: blur(3px);
    text-align: center;
}