:root {
    --font-mono: "Berkeley Mono", "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --font-body: var(--gh-font-body, var(--font-mono));
    --font-heading: var(--gh-font-heading, var(--font-mono));
    --bg: #f3ede2;
    --bg-elev: #f8f3ea;
    --fg: #1f1b18;
    --muted: #5f564b;
    --line: #d4c8b9;
    --accent: #6f2f23;
    --accent-hover: #8a3a2b;
    --selection-bg: #d4a373;
    --selection-fg: #17130f;
}

html[data-theme="dark"] {
    --bg: #282a36;
    --bg-elev: #343746;
    --fg: #f8f8f2;
    --muted: #bdc0cc;
    --line: #4f536a;
    --accent: #8be9fd;
    --accent-hover: #b6f4ff;
    --selection-bg: #6272a4;
    --selection-fg: #f8f8f2;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    letter-spacing: 0.002em;
    color: var(--fg);
    background: radial-gradient(circle at 12% 6%, var(--bg-elev) 0%, var(--bg) 45%) fixed;
}

::selection {
    color: var(--selection-fg);
    background: var(--selection-bg);
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

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

.shell {
    width: min(100% - 2.25rem, 68ch);
    margin-inline: auto;
}

.site-header {
    border-bottom: 1px solid var(--line);
    padding: 0.85rem 0;
}

.site-header .shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-title {
    color: var(--fg);
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    letter-spacing: 0.015em;
    text-transform: uppercase;
}

.site-controls {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.site-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0;
    padding: 0;
}

.site-nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-nav .nav-current a,
.site-nav a:hover {
    color: var(--fg);
}

.theme-toggle {
    border: 1px solid var(--line);
    color: var(--fg);
    background: var(--bg-elev);
    font-family: inherit;
    font-size: 0.78rem;
    line-height: 1;
    padding: 0.45rem 0.55rem;
    cursor: pointer;
}

.site-main {
    padding: 1.3rem 0 2.8rem;
}

.site-intro p {
    margin: 0 0 1.35rem;
    color: var(--muted);
    font-size: 0.93rem;
}

.post-feed {
    display: grid;
    gap: 1.15rem;
}

.post-card {
    border-bottom: 1px solid var(--line);
    padding: 0 0 0.9rem;
}

.post-card-title {
    font-size: 1.15rem;
    line-height: 1.3;
    margin: 0;
}

.post-card-title a {
    color: var(--fg);
    text-decoration: none;
}

.post-card-title a:hover {
    color: var(--accent);
}

.post-card-meta {
    margin: 0.25rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.post-card-excerpt {
    margin: 0.5rem 0 0;
    font-size: 0.92rem;
}

.article {
    padding-top: 0.35rem;
}

.article-header {
    margin-bottom: 1rem;
}

.article-title {
    margin: 0;
    font-family: var(--font-heading);
    line-height: 1.2;
    font-size: clamp(1.4rem, 4vw, 2rem);
    letter-spacing: 0;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    font-family: var(--font-heading);
}

.article-meta {
    margin: 0.45rem 0 0;
    color: var(--muted);
    font-size: 0.83rem;
}

.article-content {
    font-size: 0.98rem;
}

.article-content > * {
    margin-block: 0.88rem;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    margin-top: 1.4rem;
    margin-bottom: 0.45rem;
    line-height: 1.3;
}

.article-content blockquote {
    margin-inline: 0;
    padding: 0.35rem 0.8rem;
    border-inline-start: 2px solid var(--line);
    color: var(--muted);
}

.article-content code,
.article-content pre {
    font-family: inherit;
    font-size: 0.9em;
}

.article-content pre {
    overflow: auto;
    padding: 0.65rem;
    border: 1px solid var(--line);
    background: var(--bg-elev);
}

.article-content img {
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
}

.article-feature-image {
    margin: 0 0 1rem;
}

.article-feature-image img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
}

.article-feature-image figcaption {
    margin-top: 0.45rem;
    color: var(--muted);
    font-size: 0.8rem;
}

.article-content .kg-width-wide,
.article-feature-image.kg-width-wide {
    width: min(100vw - 2.25rem, 92ch);
    max-width: 92ch;
    margin-left: 50%;
    transform: translateX(-50%);
}

.article-content .kg-width-full {
    width: 100vw;
    max-width: 100vw;
    margin-left: 50%;
    transform: translateX(-50%);
}

.article-content .kg-width-wide img,
.article-content .kg-width-full img {
    width: 100%;
    height: auto;
}

.pagination-wrap {
    margin-top: 1.35rem;
}

.pagination {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.pagination a,
.pagination span {
    font-size: 0.84rem;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 0.95rem 0 1.3rem;
}

.site-footer p {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

@media (max-width: 700px) {
    .site-header .shell {
        flex-wrap: wrap;
        align-items: flex-start;
    }

    .site-controls {
        width: 100%;
        justify-content: space-between;
    }

    .site-nav ul {
        flex-wrap: wrap;
    }
}