:root { --animationTimer: 300ms; 
    font-family: SegoeUI, system-ui, Avenir, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    font-weight: 400;

    color-scheme: light dark;

    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;

    --sd-heading1-size: 8.5vw;
    --sd-heading1-line-height: 1;
    --sd-heading2-size: 5vw;
    --sd-heading2-line-height: 1;
    --sd-text-size: 2.2vw;
    --sd-text-line-height: 1.2;
    --sd-caption-font-size: 1vw;
    --sd-caption-line-height: 1;

    --sd-background-color: #242424;
    --sd-heading-color: rgba(255, 255, 255, 0.97);
    --sd-text-color: rgba(255, 255, 255, 0.87);
    --sd-primary-color: rgb(37, 186, 146);
    --sd-caption-color: rgba(0, 0, 0, 0.7);
    --sd-caption-bgcolor: rgba(255, 255, 255, 0.7);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

html,
body {
    width: 100%;
    height: 100%;
}

.sd-app {
    position: relative;
    overflow: hidden;
    background-color: var(--sd-background-color);
    color: var(--sd-text-color);
    font-size: var(--sd-text-size);
    line-height: var(--sd-text-line-height);
    width: 100%;
    height: 100%;
    cursor: none;
}

.sd-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: all var(--animationTimer) ease;
    padding: 30px;
    overflow: hidden;

    img,
    picture,
    video,
    canvas,
    svg {
        display: block;
    }

    input,
    button,
    textarea,
    select {
        font: inherit;
    }

    h1,
    h2,
    h3 {
        margin: 0 0 1.1vw 0;
        text-align: center;
        color: var(--sd-heading-color);
    }

    h1 {
        font-size: var(--sd-heading1-size);
        line-height: var(--sd-heading1-line-height);
    }

    h2 {
        font-size: var(--sd-heading2-size);
        line-height: var(--sd-heading2-line-height);
    }

    h3 {
        font-size: var(--sd-heading3-size);
        line-height: var(--sd-heading3-line-height);
    }

    p,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        overflow-wrap: break-word;
    }

    p {
        margin: 0.7vw auto;
        text-align: center;
    }

    a,
    strong {
        color: var(--sd-primary-color);
    }

    strong {
        font-weight: bold;
    }

    em {
        font-style: italic;
    }

    .code,
    pre {
        font-family: monospace;
        white-space: pre;
    }

    .sd-notes {
        display: none;
    }

    .sd-img {
        display: inline-block;
        max-width: 90vw;
        position: relative;

        figcaption {
            font-size: var(--sd-caption-font-size);
            line-height: var(--sd-caption-line-height);
            text-align: center;
            color: var(--sd-caption-color);
            background-color: var(--sd-caption-bgcolor);
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
    }
}

.sd-slide.no-sd-animation {
    transition-duration: 0ms;
}

.sd-slide.sd-current {
    transform: translateX(0);
}

.sd-slide.sd-previous {
    transform: translateX(-100%);
}

@media print {
    * {
        margin: 0;
        padding: 0;
    }

    @page {
        size: A4 landscape;
        margin: 0;
    }

    html {
        height: 100%;
    }

    html .sd-app {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        height: 100%;
        overflow: visible;
    }

    .sd-slide {
        position: relative;
        height: 100%;
        page-break-after: always;
        transform: translateX(0);
        opacity: 1;
    }
}

@media screen and (min-width: 320px) and (max-width: 767px) and (orientation: portrait) {
    html {
        transform: rotate(-90deg);
        transform-origin: left top;
        width: 100vh;
        height: 100vw;
        overflow-x: hidden;
        position: absolute;
        top: 100%;
        left: 0;
    }

    body::before {
        content: "Please rotate ⟳ your device to view this presentation.";
        position: absolute;
        font-size: 5vw;
        color: #333;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100vh;
        height: 100vw;
        background-color: #fff;
        z-index: 1000;
    }
}