/*
    Styling for the static content pages (about, how-it-works, privacy, terms, 404).
    These pages load no application script, so there is no `dark-theme` class to
    observe - the OS preference is the only theme signal available. Colour values
    are copied from styles-main.css rather than imported, because importing the
    app stylesheet would pull in the whole shell layout for four prose documents.
*/

:root {
    color-scheme: light dark;
    --primary-color: #4285f4;
    --text-color: 51, 51, 51;
    --bg-color: 255, 255, 255;
    --bg-color-secondary: #f2f2f2;
    --border-color: #757575;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: 238, 238, 238;
        --bg-color: 0, 0, 0;
        --bg-color-secondary: #262628;
    }
}

body {
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
    max-width: 65ch;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: rgb(var(--text-color));
    background-color: rgb(var(--bg-color));
}

h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 0.75rem; }
p, ul, dl { margin: 0 0 1rem; }
li { margin-bottom: 0.35rem; }
dt { font-weight: 600; margin-top: 1rem; }
dd { margin: 0.25rem 0 0; }

a { color: var(--primary-color); }
a:hover { text-decoration: none; }

code {
    background-color: var(--bg-color-secondary);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-size: 0.9em;
}

.updated { opacity: 0.7; font-size: 0.9rem; margin-bottom: 2rem; }

nav {
    margin: 3rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

nav a { margin-right: 1rem; display: inline-block; }

footer {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    opacity: 0.7;
}