/* Theme tokens */
:root {
    color-scheme: light;
    --bg: #f9f7f2;
    --text: #111;
    --muted: #444;
    --muted-2: #555;
    --text-strong: #222;
    --border: #dadce0;
    --border-soft: #d0d7de;
    --surface: #fafaf8;
    --surface-alt: #f8f9fb;
    --surface-code: #f6f8fa;
    --top-nav-bg: #f9f7f2;
    --btn-hover-text: #fff;
    --alert-bg: #fff7cc;
    --alert-border: #e1b900;
    --alert-text: #5a4a00;
    --shadow: rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --bg: #14130f;
        --text: #ece9df;
        --muted: #c8c2b6;
        --muted-2: #b9b3a8;
        --text-strong: #f4f1e9;
        --border: #3b3832;
        --border-soft: #45413a;
        --surface: #1f1e1a;
        --surface-alt: #23201a;
        --surface-code: #1f1c17;
        --top-nav-bg: #14130f;
        --btn-hover-text: #fff;
        --alert-bg: #3f3006;
        --alert-border: #9a7c1f;
        --alert-text: #f3e2a9;
        --shadow: rgba(0, 0, 0, 0.35);
    }
}

/* Base document styling */
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Code blocks */
pre {
  background: var(--surface-code);
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.9rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.toolbar {
    opacity: 1 !important; 
    
}

div.code-toolbar > .toolbar > .toolbar-item > button {
    padding : 0.2rem 0.5rem;
    cursor: pointer;
}

div.code-toolbar > .toolbar > .toolbar-item > button:hover,
div.code-toolbar > .toolbar > .toolbar-item > button:focus {
    color: var(--btn-hover-text);

}

a {
    text-decoration: none;
    color: var(--text);
    /* font-size: 0.95rem; */
}

a:hover {
    text-decoration: underline;
}

main a {
    font-weight: bold;
}

.no-wrap {
    text-wrap: nowrap;
}

/* Page layout */
.page {
    max-width: 1100px;
    margin: 3rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
}

/* Side navigation */
.side-nav {
    font-size: 0.95rem;
}

.side-nav h2 {
    font-size: 1rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.side-nav ul, 
.side-nav ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.side-nav ol.list {
    list-style: decimal;
    list-style-position: inside;
}

.side-nav ul.list {
    list-style: square;
    list-style-position: inside;
}

.side-nav li {
    margin: 0.4rem 0;
}

.side-nav .nav-icon-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    line-height: 1;
}

.nav-icon {
    width: 1.5em;
    height: 1.5em;
    flex: 0 0 auto;
    display: inline-block;
    vertical-align: middle;
}

.nav-icon-github {
    background-color: var(--text);
    -webkit-mask: url("/static/icons/github-brands-solid-full.svg") no-repeat center / contain;
    mask: url("/static/icons/github-brands-solid-full.svg") no-repeat center / contain;
}

.nav-icon-external {
    width: 1em;
    height: 1em;
    opacity: 0.8;
    vertical-align: middle;
}

/* Home side nav */
.nav-home {
    font-size: 0.95rem;
}

.nav-home p {
    margin: 0.75rem 0 0;
    color: var(--muted);
}

.nav-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 1px solid var(--border-soft);
    display: block;
    object-fit: cover;
    background: var(--surface);
}

/* Navigation visual separation */
.nav-divider {
    margin-top: 1.5rem;
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
}

/* .nav-divider a {
    color: #444;
} */

/* Top navigation */
.top-nav {
    border-bottom: 1px solid var(--border);
    background: var(--top-nav-bg);
}

.top-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.top-nav-brand {
    font-weight: 600;
    letter-spacing: 0.2px;
    text-decoration: none;
    color: var(--text);
}

.top-nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.top-nav-links a {
    font-size: 0.95rem;
}

/* Main content */
main {
    max-width: 800px;
}

h1,
h2,
h3 {
    line-height: 1.25;
}

/* Keep content images responsive so they cannot force horizontal overflow. */
main img {
    max-width: 100%;
    height: auto;
}

main figure img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Article metadata */
.published {
    margin: -0.35rem 0 1.25rem;
    font-size: 0.9rem;
    color: var(--muted-2);
}

.published time,
.published [itemprop="name"] {
    color: var(--text-strong);
    font-weight: 600;
}

/* Article series context */
.dossier {
    margin: 0 0 1.6rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-left: 4px solid var(--border-soft);
    background: var(--surface-alt);
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.55;
}

.dossier a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

figure.diagram img {
    background: #fff;
}

/* Content separation (hr replacement) */
.divider {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* Home cards */
.cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 900px) {
    .cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.card {
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    background: var(--surface);
    box-shadow: 0 1px 2px var(--shadow);
}

.card h2 {
    margin-top: 0;
}

.card ul {
  padding: 0;
  margin-bottom: 0;
  list-style: square;
  list-style-position: inside;
}

/* Search result style lists for writing indexes */
.search-results {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.search-result-item {
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 1rem 1.1rem;
}

.search-result-item h2,
.search-result-item h3 {
    margin: 0;
}

.search-result-item h2 {
    padding-bottom: 16px;
}

.search-result-type {
    margin: -0.2rem 0 0.35rem;
}

.writing-type-badge {
    display: inline-block;
    border: 1px solid transparent;
    padding: 0.12rem 0.58rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: none;
}

.writing-type-badge--essay {
    background: #e6f0ff;
    color: #114085;
    border-color: #b8cff5;
}

.writing-type-badge--memo {
    background: #eaf7ef;
    color: #245f37;
    border-color: #bbdbc6;
}

.writing-type-badge--dossier {
    background: #fff3e0;
    color: #8a4b08;
    border-color: #e5c7a0;
}

.writing-type-badge--unknown {
    background: var(--surface-alt);
    color: var(--text);
    border-color: var(--border);
}

@media (prefers-color-scheme: dark) {
    .writing-type-badge--essay {
        background: #1f3354;
        color: #d9e8ff;
        border-color: #4c6ca1;
    }

    .writing-type-badge--memo {
        background: #1d3826;
        color: #d7f1de;
        border-color: #4b7e5d;
    }

    .writing-type-badge--dossier {
        background: #4b2f13;
        color: #ffe6c4;
        border-color: #97663b;
    }
}

/* .search-result-meta {
    margin: 0.25rem 0 0.45rem;
    color: #555;
    font-size: 0.92rem;
} */

.search-result-intro {
    margin: 0;
}

/* Alert note */
.alert-note {
    background: var(--alert-bg);
    border: 1px solid var(--alert-border);
    color: var(--alert-text);
    padding: 0.9rem 1rem;
}

.alert-note strong {
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 800px) {
    .page {
        grid-template-columns: 1fr;
    }

    .side-nav {
        margin-bottom: 2rem;
    }

    .nav-avatar {
        margin-left: auto;
        margin-right: auto;
    }

    .top-nav-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}