@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
    --bg: white;
    --header-font: Atkinson Hyperlegible,sans-serif;
    --text-font: 'Atkinson Hyperlegible', sans-serif;
    --text-color: black;
    --text-decoration-color: #555;
    --rule-color: white;
    --border-color: black;
    --border-radius: 0.2em;
    --more-border-radius: calc(2 * var(--border-radius));
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: hsl(203.8, 72.2%, 8%);
        --text-color: white;
        --text-decoration-color: #aaa;
        --rule-color: black;
        --border-color: white;
    }
}

* {
    box-sizing: border-box;
    word-break: break-word;
}

html {
    font-size: 4vmin;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text-color);
    font-family: var(--text-font);
    padding: 0 1svw;
}

h1,h2,h3,h4,h5,h6 {
    font-family: var(--header-font);
    margin: 0 0 1rem 0;
}

h2 {
    margin: 0;
    font-size: 1.1em;
}

hr {
    width: 5em;
    border: 1px solid var(--rule-color);
}

aside {
    display: none;
}

a {
    color: var(--text-color);
    text-decoration-color: var(--text-decoration-color);
}

header {
    padding: 1rem;
    & #uni svg {
        width: 100%;
    }
}

@media screen and (orientation: landscape) {
    body {
        display: grid;
        grid-template:
            "main header" / 1fr 15svw;
        
        & > header {
            grid-area: header;
            padding: 1svw 0;
            display: flex;
            flex-direction: column;
            gap: 1em;
        }
        gap: 1em;
    }
    
}

main {
    overflow: hidden scroll;
    height: 100vh;
    scroll-snap-type: y mandatory;

    & > section {
        width: 100%;
        height: 100vh;
        display: grid;
        align-items: center;
        justify-items: center;
        text-align: center;
        padding: 0;
        scroll-snap-align: center;
        grid-auto-rows: max-content;
        align-content: center;
        overflow-y: hidden;
        
        & * {
            line-height: 1.5em;
        }

        &:focus {
            outline: none;
        }

        & > :is(h1, h2) {
            align-self: start;
        }

        & > :is(ul,ol) {
            text-align: left;

            &:has(li > img.bullet) {
                list-style: none;
                padding-left: 0;
                
                
                & li {
                    position: relative;
                    padding-left: 6em;
                    min-height: 2em;
                    
                    & img.bullet {
                        height: 3em;
                        width: calc(16 / 9 * 3em);
                        position: absolute;
                        left: 0;
                        top: -0.5em;
                    }
                }
            }


            & > li ~ li {
                margin-top: 0.5em;
            }
        }

        & p:has(img, svg, video, iframe) {
            max-width: 90%;
            max-height: 60vh;
            display: grid;
            align-items: center;
            justify-items: center;
            margin: 1rem 0;
            
            grid-template: 1fr / auto;
        }
        & :is(img, svg, video, iframe):not(.inline, .bullet) {
            max-width: 100%;
            max-height: 60vh;
            border-radius: var(--border-radius) var(--more-border-radius) var(--border-radius) var(--more-border-radius);
            border: medium solid var(--border-color);
        }

        & .inline {
            height: 2ex;
        }
        
        & :is(figure, p) {
            margin: 0;
        }
        
        & figure {
            width: 100%;
        }

        & p {
            text-wrap: balance;
        }
        & p + p {
            margin-top: 1em;
        }

        & .full-height {
            max-height: 90vh;
        }

        & blockquote {
            max-width: 20em;
            line-height: 1.8em;
        }
        & iframe {
          width: 80%;
          height: 60vh;
        }

        & dl {
            text-align: left;

            & dt {
                font-weight: bold;
            }
            & dd ~ dt {
                margin-top: 1em;
            }
        }
    }

    & #start {
        & > * {
            margin: 1rem 0;
        }
        & img {
            border-radius: 0;
            border: none;
        }
        
        & #logo {
            width: 50%;
        }

        & .event {
            font-style: italic;
        }
    }
}

dl.grid {
    display: grid;
    
    & dt {
        grid-row: 1;
        justify-self: center;
        align-self: end;
    }
    & dd {
        grid-row: 2;
    }
}


footer {
    position: absolute;
    bottom: 0.5em;
    font-size: 0.6em;
    text-align: center;
    left: 0.5em;
}

footer #url {
    color: #333;
    text-decoration: none;
}

@media print {
    main {
        & > section {
            page-break-before: always;
        }
    }
}

@media (orientation: portrait), print {
    header {
        margin-bottom: 10vh;
        justify-content: center;
        
        & svg {
            width: 50vw;
            max-height: 30vh;
        }
        & #qrcode {
            display: none;
        }
        
        display: flex;
        flex-direction: column;
    }
    
    main {
        overflow: initial;
        height: auto;

        & > section {
            height: auto;
            scroll-snap-align: none;
            padding: 5em 1em;

            & + section {
                border-top: 0.5vh dashed white;
            }

        }
        
        & dl.grid {
            grid-auto-flow: row;
            gap: 1em;

            & dt {
                grid-row: initial;
                grid-column: 1;
                justify-self: end;
                align-self: center;
                margin: 0;
            }
            & dd {
                grid-row: initial;
                grid-column: 2;
                margin: 0;
                & :is(img, svg, video) {
                    max-width: 30vw;
                }
            }
        }        
    }
    
    footer {
        position: initial;
        padding: 1em;
        margin-top: 10vh;
    }
}

@media print {
    main {
        & section {
            height: 100vh;
        }
        & section + section {
            padding: 0;
        }
    }
}