:root {
    --ice-grey: #e1e6e6;
    --regnology-green-dark: #06a74e;
    --regnology-green-light: #3ce55a;
    --regnology-background: #012d3f;
    --text-color-light: #2f5362;

    --dot-color: #9fa8a9;
    --background-color: var(--ice-grey);
    --text-default: black;
    --text-secondary: #4B5565;
    --regnology-green: var(--regnology-green-dark);
    --mask-offset: 45%;
}

:root:has([data-game-running="true"]) {
    --background-color: var(--regnology-background);
    --dot-color: var(--regnology-green-dark);
    --text-default: white;
    --text-secondary: #CBD5E3;
    --regnology-green: var(--regnology-green-light);
    --mask-offset: 65%;
}

h1, p, .logo, .logo-r, body {
    transition-property: background-color, color, fill;
    transition-duration: 200ms;
    transition-timing-function: cubic-bezier(.25, .46, .45, .94);
}

body {
    background-color: var(--background-color);
    color: var(--text-default);
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    margin: 0;
}

main {
    min-height: 100svh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

main::before {
    content: "";
    position: absolute;
    inset: 0;
    height: 100%;
    width: 100%;
    background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
    background-size: 16px 16px;
    -webkit-mask-image: radial-gradient(
            ellipse 50% 50% at 50% 50%,
            transparent var(--mask-offset),
            #000 100%
    );
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: cover;
    mask-image: radial-gradient(
            ellipse 50% 50% at 50% 50%,
            transparent var(--mask-offset),
            #000 100%
    );
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: cover;
    z-index: 1;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
    width: 100%;
    padding-block: 6rem;
    box-sizing: border-box;
}

.logo-container {
    position: fixed;
    width: 100%;
    display: flex;
    top: 1rem;
    left: 0;
    right: 0;
    padding-inline: 1rem;
    box-sizing: border-box;
    justify-content: space-between;
    z-index: 2;

    .logo {
        color: var(--text-default);
        height: 1.4rem;
        width: auto;
        background-color: var(--background-color);
        padding: .875rem;

        .logo-r {
            fill: var(--regnology-green);
        }
    }

    .r3 {
        height: 4rem;
    }
}

h1 {
    font-size: 1.875rem;
    font-weight: 400;
    letter-spacing: -0.025em;
    margin: 0;
}

p.description {
    color: var(--text-secondary);
    margin-top: 1.2rem;
    margin-bottom: 1.7rem;
    text-wrap: balance;
    max-width: 500px;
    text-align: center;
    line-height: 1.5rem;
    font-size: 0.875rem;
}

.game-container {
    width: 100%;
    max-width: 800px;
    display: grid;
    place-items: center;
}

#game-frame {
    margin-top: 2rem;
    margin-bottom: 0.3rem;
    width: 200px;
    height: 28px;
    outline: 1px solid var(--regnology-green);
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    position: relative;
    overflow: hidden;

    transition-property: height, width, margin-top, transform;
    transition-duration: 200ms;
    transition-timing-function: cubic-bezier(.25, .46, .45, .94);

    .dot {
        opacity: 0;
        width: 6px;
        height: 6px;
        background-color: #06a74e;
        animation: reveal 4s cubic-bezier(0.19, 1, 0.22, 1) infinite;
        animation-delay: calc(0.3s * var(--index));
    }

    .pacman {
        height: 20px;
        width: auto;
        color: #FFE021;
        position: absolute;
        left: 0;
        transform: translateX(-20px);
    }
}

#game-frame[data-game-running="true"] {
    height: 400px;
    width: 100%;
    outline-width: 3px;
    margin-top: 1rem;
}


#game-frame:not([data-game-running="true"]):hover {
    transform: scale(1.05);
    cursor: zoom-in;
    background-color: rgba(0, 0, 0, 0.9);
    outline-width: 2px;

    .pacman {
        transition: transform 500ms cubic-bezier(0.19, 1, 0.22, 1);
        transform: translateX(-5px);
    }

    .dot {
        transition: background-color 500ms cubic-bezier(0.19, 1, 0.22, 1);
        background-color: #9EA8A9;
    }

}

.status {
    margin-top: 0.3rem;
    color: var(--text-secondary);
    text-wrap: balance;
    max-width: 500px;
    text-align: center;
    line-height: 1.5rem;
    font-size: .75rem;
}

@keyframes reveal {
    0% {
        transform: scale(.8);
        opacity: 0;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
    70% {
        transform: scale(1);
        opacity: 1;
    }
    0% {
        transform: scale(.8);
        opacity: 0;
    }
}