/* The brainwagon.org stylesheet (static/style.css in brainwagon-okf),
   trimmed to the rules this single page uses so it looks like the rest of
   the site. Copy changes across from there rather than editing here alone. */

:root {
    --bg-color: #ffffff;
    --text-color: #111827;
    --link-color: #2563eb;
    --link-hover-color: #1d4ed8;
    --nav-bg: #f9fafb;
    --nav-border: #000000;
    --nav-link-color: #111827;
    --nav-link-hover-color: #2563eb;
    --footer-bg: #f9fafb;
    --footer-border: #e5e7eb;
    /* Dark enough to clear 4.5:1 against the tinted backgrounds the muted
       text sits on (the code-tinted repo cards), not merely against white. */
    --meta-color: #5b6470;
    --rss-bg: #f59e0b;
    --rss-hover-bg: #d97706;
    /* The amber badge is the same in both themes, so its text is a fixed dark
       rather than a theme colour that would invert to near-white on amber. */
    --rss-text: #111827;
    --code-bg: #f3f4f6;
    --code-text: #111827;
    --inline-code-bg: #e5e7eb;
    --table-border: #e5e7eb;
    --table-stripe: #f9fafb;
    --table-header-bg: #f3f4f6;
    --ai-bg: #eff6ff;
    --ai-border: #bfdbfe;
    --ai-title: #1e3a8a;
    /* A quoted conversation: the author's turns sit in a warm card, the other
       party's run full width beside a rule. */
    --turn-author-bg: #fef3e2;
    --turn-author-border: #f5d29a;
    --turn-other-rule: #bfdbfe;
    --turn-speaker: #5b6470;
}

/* General */
body {
    background-color: var(--bg-color);
    margin-left: 1em ;
    margin-right: 1em ;
    line-height: 1.5em;
    color: var(--text-color);
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

.container {
	margin-left: auto ;
	margin-right: auto ;
	gap: 12px ;
    width: 100% ;
}

img {
  max-width: 100%;
  height: auto;
}

/* The theme toggle carries both glyphs as inline SVG; CSS shows the one that
   matches the active theme, so the button still works with JavaScript off and
   the script no longer rewrites icon-font classes. */
.theme-icon-sun {
    display: none;
}

.dark-theme .theme-icon-moon {
    display: none;
}

.dark-theme .theme-icon-sun {
    display: inline-block;
}

/* Fade between pages on navigation, where the browser supports it and the
   reader has not asked for reduced motion. Unsupported browsers ignore it. */
@media (prefers-reduced-motion: no-preference) {
    @view-transition {
        navigation: auto;
    }
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0;
    line-height: 1.2em;
    margin-top: 1em;
    font-weight: 700;
    letter-spacing: -0.05em;
}

a:link, a:visited {
    color: var(--link-color);
    text-decoration: none
}

a:hover, a:active {
    color: var(--link-hover-color);
    text-decoration: underline
}

/* Visible focus for keyboard users, on every focusable thing, in both themes.
   The search field below used to suppress its own outline; that is exactly the
   affordance a keyboard user needs, so it is kept. */
:focus-visible {
    outline: 3px solid var(--link-color);
    outline-offset: 2px;
}

/* A link inside a paragraph is distinguished by more than colour (WCAG 1.4.1):
   it is underlined. Block-level links - nav, headings, cards, the gallery, the
   result cards - keep their styling, because they are not embedded in prose
   where a reader could mistake them for emphasis. The footer's prose is
   included: its mailto link sat below the threshold in dark mode, where the
   link colour is closer to the body text. The `:link`/`:visited` pair is
   needed to outweigh the base `a:link` rule above, which turns the underline
   off for every link on the Site. */
main p a:link, main p a:visited, main p a:hover, main p a:active,
main li a:link, main li a:visited, main li a:hover, main li a:active,
main dd a:link, main dd a:visited,
main blockquote a:link, main blockquote a:visited,
main .repo-desc a:link, main .repo-desc a:visited,
footer p a:link, footer p a:visited {
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1px;
}

/* Available to a screen reader, invisible on screen. Used for the search
   field's label, which the compact nav has no room to display. */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Off-screen until focused, then parked over the top of the page. The first
   stop for anyone tabbing through, so they can pass the nav in one keystroke. */
.skip-link {
    position: absolute;
    top: 0;
    left: -9999px;
    z-index: 1100;
    padding: 0.75em 1em;
    background: var(--bg-color);
    color: var(--link-color);
    border: 2px solid var(--link-color);
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    left: 0.5em;
    top: 0.5em;
}


/* Single column layout */
nav section, header section, footer section {
    /* Contain the floated search/About/RSS group: when it wraps to a second
       row it must not hang below the bar and shove the Post title aside. */
    display: flow-root;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 0.5em;
}

main {
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 0.5em;
}

aside {
    padding: 20px ;
    overflow: hidden;
}


/* Navigation panel */
nav {
    background: var(--nav-bg); border-bottom: 2px solid var(--nav-border);
    color: var(--nav-link-hover-color) ;
    line-height: 3em;
}

nav a {
    margin-right: 1em;
}

nav a:link, nav a:visited {
    color: var(--nav-link-color);
}

nav a:hover, nav a:active {
    color: var(--nav-link-hover-color);
    text-decoration: none;
}

@media screen and (min-width: 600px) {
    nav .links {
        /* float: right; */
    }
}

/* This might be overkill, but maybe not */

table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1.5em;
}

table th, table td {
    border: 1px solid var(--table-border);
    padding: 8px;
    vertical-align: top;
}

table tr:nth-child(even) {
    background-color: var(--table-stripe);
}

table th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: var(--table-header-bg);
}

.constrained-column {
    max-width: 400px ;
    overflow: hidden ;
    text-overflow: ellipsis ;
    white-space: nowrap ;
}


/* Footer */
footer {
    background: var(--footer-bg);
    border-top: thin solid var(--footer-border);
    margin-top: 2em;
    padding: 1em 0;
    box-shadow: 0 100vh 0 100vh var(--footer-bg);
    text-align: center;
}

footer section p {
}

footer .footer-invite {
    max-width: 40em;
    margin: 0 auto 0.75em auto;
    line-height: 1.5;
}

.footer-links {
    margin: 0 0 0.5em 0;
    font-size: 0.9em;
}

.bio {
    line-height: 1.6;
}

footer a {
    margin-right: 1em;
}

footer a:last-child {
    margin-right: 0;
}


/* Posts */
article {
    margin-top: 1em;
    margin-bottom: 3em;
    border-left: 4px solid var(--footer-border);
    padding-left: 1.5rem;
    margin-left: -1.5rem;
}

article:hover {
    border-left-color: var(--link-color);
}

article.single-post {
    border-left: none;
    padding-left: 0;
    margin-left: 0;
}

/* RSS */
.rss {
    padding: 0.3em 0.35em;
    border-radius: 0.25em;
    font-size: 0.75em;
    font-weight: bold;
    line-height: normal;
    vertical-align: middle;
}

.rss:link, .rss:visited, .rss:hover, .rss:active {
    color: var(--rss-text);
    text-decoration: none;
}

.rss:link, .rss:visited {
    background: var(--rss-bg);
}

.rss:hover, .rss:active {
    background: var(--rss-hover-bg);
}

/* Preformatted text (code blocks) */
pre {
    background-color: var(--code-bg);
    color: var(--code-text);
    padding: 1em;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.9em;
    line-height: 1.45;
    margin: 1.5em 0;
}

pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

code {
    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
    background-color: var(--inline-code-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #000000;
        --text-color: #f3f4f6;
        --link-color: #60a5fa;
        --link-hover-color: #93c5fd;
        --nav-bg: #000000;
        --nav-border: #ffffff;
        --nav-link-color: #d1d5db;
        --nav-link-hover-color: #ffffff;
        --footer-bg: #000000;
        --footer-border: #374151;
        --meta-color: #9ca3af;
        --code-bg: #111827;
        --code-text: #f3f4f6;
        --inline-code-bg: #1f2937;
        --table-border: #374151;
        --table-stripe: #111827;
        --table-header-bg: #1f2937;
        --ai-bg: #172554;
        --ai-border: #1e3a8a;
        --ai-title: #bfdbfe;
        --turn-author-bg: #2a1d0a;
        --turn-author-border: #6b4a14;
        --turn-other-rule: #1e3a8a;
        --turn-speaker: #9ca3af;
    }
}

html.dark-theme {
    --bg-color: #000000;
    --text-color: #f3f4f6;
    --link-color: #60a5fa;
    --link-hover-color: #93c5fd;
    --nav-bg: #000000;
    --nav-border: #ffffff;
    --nav-link-color: #d1d5db;
    --nav-link-hover-color: #ffffff;
    --footer-bg: #000000;
    --footer-border: #374151;
    --meta-color: #9ca3af;
    --code-bg: #111827;
    --code-text: #f3f4f6;
    --inline-code-bg: #1f2937;
    --table-border: #374151;
    --table-stripe: #111827;
    --table-header-bg: #1f2937;
    --ai-bg: #172554;
    --ai-border: #1e3a8a;
    --ai-title: #bfdbfe;
    --turn-author-bg: #2a1d0a;
    --turn-author-border: #6b4a14;
    --turn-other-rule: #1e3a8a;
    --turn-speaker: #9ca3af;
}