/* RoboLynk blog — shares the site palette, adds reading typography.
   Self-contained: no build step, no framework, one stylesheet. */
:root {
    --primary: #2c3e50;
    --accent: #1abc9c;
    --link: #1a8a74;
    --bg: #ffffff;
    --bg-soft: #f8f9fa;
    --ink: #22303c;
    --ink-soft: #5b6b78;
    --rule: #e3e8ec;
    --code-bg: #f4f6f8;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #11181d; --bg-soft: #161e24; --ink: #dfe7ec; --ink-soft: #9aabb6;
        --rule: #243038; --code-bg: #1a232a; --link: #35d6b4; --primary: #dfe7ec;
    }
}
* { box-sizing: border-box; }
body {
    margin: 0; background: var(--bg); color: var(--ink);
    font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.site {
    border-bottom: 1px solid var(--rule); padding: 16px 0; margin-bottom: 40px;
    background: var(--bg-soft);
}
header.site .wrap { display: flex; align-items: center; gap: 18px; }
header.site a { color: var(--ink); text-decoration: none; font-weight: 600; }
header.site a.brand { color: var(--accent); }
header.site a:hover { color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.22; letter-spacing: -0.02em; margin: 0 0 10px; color: var(--primary); }
h2 { font-size: 1.28rem; line-height: 1.3; margin: 2.4rem 0 .6rem; color: var(--primary); }
h3 { font-size: 1.05rem; margin: 1.8rem 0 .4rem; }
.meta { color: var(--ink-soft); font-size: .9rem; margin-bottom: 2rem; }
p { margin: 0 0 1.1rem; }
a { color: var(--link); }
code {
    background: var(--code-bg); padding: 2px 6px; border-radius: 5px;
    font-size: .88em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
pre {
    background: var(--code-bg); padding: 14px 16px; border-radius: 8px;
    overflow-x: auto; font-size: .86rem; line-height: 1.5;
    border: 1px solid var(--rule);
}
pre code { background: none; padding: 0; }
blockquote {
    margin: 1.4rem 0; padding: 2px 0 2px 18px;
    border-left: 3px solid var(--accent); color: var(--ink-soft);
}
.lede { font-size: 1.12rem; color: var(--ink-soft); }
.callout {
    background: var(--bg-soft); border: 1px solid var(--rule);
    border-left: 3px solid var(--accent);
    padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 1.6rem 0;
}
.callout p:last-child { margin-bottom: 0; }
table { border-collapse: collapse; width: 100%; margin: 1.4rem 0; font-size: .92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); }
th { color: var(--ink-soft); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
footer.site {
    margin-top: 4rem; padding: 28px 0 60px; border-top: 1px solid var(--rule);
    color: var(--ink-soft); font-size: .9rem;
}
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 20px 0; border-bottom: 1px solid var(--rule); }
.post-list a { font-size: 1.15rem; font-weight: 600; text-decoration: none; color: var(--primary); }
.post-list a:hover { color: var(--accent); }
.post-list .meta { margin: 6px 0 0; }
@media (max-width: 600px) { body { font-size: 16px; } h1 { font-size: 1.6rem; } }