* {
    box-sizing: border-box;
}

/* Variables */

html {
    --background-color: #eee;
    --text-color: #333;
    --accent-color: #44d;
    --accent-color-muted: #44a;
}

@media (prefers-color-scheme: dark) {
    html:not(.theme-light) {
        --background-color: #222;
        --text-color: #eee;
        --accent-color: #88f;
        --accent-color-muted: #aaf;
    }
}

html.theme-dark {
    --background-color: #222;
    --text-color: #eee;
    --accent-color: #88f;
    --accent-color-muted: #aaf;
}

html {
    font-family: 'Atkinson Hyperlegible', system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

html, body {
    margin: 0; 
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 60em;
    margin: 0 auto;
    padding: 0 0.5rem;
}

header {
    margin-bottom: 0.5rem;
}

header .container {
    display: flex;
    align-items: center;
}

header .container .brand {
    display: block;
    background-color: var(--text-color);
    color: var(--background-color);
    margin: 0.5rem;
    margin-left: 0;
    padding: 0.5rem;
    font-size: 1.5rem;

    font-weight: bold;
    text-decoration: none;
    user-select: none;
}

header .container .brand:hover {
    background-color: #888;
    text-decoration: underline;
}

header .container nav {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

header .container nav a {
    color: var(--accent-color);
    text-decoration: none;
    padding: 1.2em 1em;
    margin: 0 0.25em;
}

header .container nav a.active,
header .container nav a:hover {
    text-decoration: underline;
}

@media all and (max-width: 40em) {
    header {
        border-bottom: 1px solid #fff3;
    }

    header .container {
        align-items: flex-start;
    }

    header .container nav {
        flex-direction: column;
        align-items: flex-end;
    }

    header .container nav a {
        padding: 0.35em;
    }
}

main {
    flex-grow: 1;
}

a {
    color: var(--accent-color);
}

a:hover,
a:visited {
    color: var(--accent-color-muted);
}

a:hover {
    text-decoration: underline;
}

main h1, main h2, main h3, main h4 {
    margin: 1em 0;
    line-height: 1.15;
}

main h1 {
    margin: 0.5em 0;
}

main p, main li {
    line-height: 1.5;
    margin: 0.5em 0;
}

article {
    border-top: 3px dotted var(--text-color);
    padding: 1em 0;
    margin-top: 2em;
}

article+article {
    margin-top: 0;
}

article:last-child {
    border-bottom: 3px dotted var(--text-color);
}

article h2 {
    margin: 0;
    font-size: 1.5em;
}

article h2 a {
    text-decoration: none;
}

article h2 a:hover {
    color: inherit;
}

article p {
    margin: 0;
}

article p.metadata, main.container p.metadata {
    font-size: 0.75em;
    color: var(--text-color);
    margin-bottom: 0.3rem;
}

.gallery-photo {
    border-top: 3px dotted var(--text-color);
    display: flex;             /* Make it a flex container */
    flex-direction: column;    /* Stack image and caption vertically */
    align-items: center;       /* Center horizontally */
    text-align: center;        /* Center the caption text */
    padding: 1rem 0;           /* Optional: add some spacing */
}

.gallery-photo img, img {
    max-width: 100%;
    max-height: 80vh;
    display: block;
}

footer {
    margin: 2em 0 1em 0;
    border-top: 3px dotted var(--text-color);
}

footer .container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

footer .badges > * {
    height: 31px;
    width: 88px;
    margin: 2px;
    image-rendering: pixelated;
}

footer .badges > *:hover {
    outline: 1px solid var(--text-color);
}