/* Shared styles for the oxi blog. Tokens match the landing page (docs/index.html). */
:root {
  --bg: #0d0f12;
  --bg-soft: #14171c;
  --card: #171b21;
  --border: #262c35;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --rust: #e26a2c;
  --rust-2: #f4923f;
  --code-bg: #14171c;
  --radius: 14px;
  /* Syntax colours (highlight.js classes, see the "Syntax highlighting" section). */
  --hl-keyword: #f4923f;
  --hl-string: #8fd19e;
  --hl-number: #58c4dc;
  --hl-type: #58c4dc;
  --hl-function: #e8c47c;
  --hl-attr: #f0a46a;
  --hl-comment: #6f7886;
  --hl-macro: #c9a0ff;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfaf8;
    --bg-soft: #f2efea;
    --card: #ffffff;
    --border: #e5e0d8;
    --text: #1c2027;
    --muted: #5c6470;
    --rust: #d15a1c;
    --rust-2: #e07a2e;
    --code-bg: #f2efea;
    --hl-keyword: #c2410c;
    --hl-string: #1f7a43;
    --hl-number: #1f7f96;
    --hl-type: #1f7f96;
    --hl-function: #8a5a00;
    --hl-attr: #b4500f;
    --hl-comment: #6f7681;
    --hl-macro: #7c3aed;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--rust-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; font-size: 0.88em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; border-radius: 6px; }
.nav-links { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { background: var(--rust); color: #fff !important; padding: 8px 16px; border-radius: 10px; font-weight: 600; font-size: 0.9rem; }
.nav-cta:hover { background: var(--rust-2); }

/* Article */
.article { max-width: 720px; padding-top: 56px; padding-bottom: 72px; }
.meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 10px; }
.article h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 20px; font-weight: 800; }
.lede { font-size: 1.15rem; color: var(--muted); margin: 0 0 36px; }
.article h2 { font-size: 1.45rem; letter-spacing: -0.02em; margin: 44px 0 12px; line-height: 1.25; }
.article p, .article li { font-size: 1.04rem; }
.article ul { padding-left: 22px; }
.article li { margin: 6px 0; }
.article :not(pre) > code { background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px; padding: 1px 5px; overflow-wrap: anywhere; }
.article pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; line-height: 1.5; margin: 18px 0 22px;
}
.article pre code { font-size: 0.84rem; }

/* Syntax highlighting (highlight.js token classes; no theme stylesheet is loaded). */
.hljs-keyword, .hljs-selector-tag, .hljs-literal { color: var(--hl-keyword); }
.hljs-string, .hljs-regexp, .hljs-char.escape_ { color: var(--hl-string); }
.hljs-number { color: var(--hl-number); }
.hljs-type, .hljs-built_in, .hljs-class .hljs-title, .hljs-title.class_ { color: var(--hl-type); }
.hljs-title.function_, .hljs-title { color: var(--hl-function); }
.hljs-attr, .hljs-attribute, .hljs-property { color: var(--hl-attr); }
.hljs-comment, .hljs-quote { color: var(--hl-comment); font-style: italic; }
.hljs-meta, .hljs-symbol, .hljs-punctuation { color: var(--muted); }
.hljs-macro { color: var(--hl-macro); }
.hljs-variable, .hljs-params { color: var(--text); }

.note { color: var(--muted); font-style: italic; font-size: 0.95rem !important; margin-top: 32px; }

/* Call to action */
.cta { margin-top: 56px; padding: 26px 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.cta h3 { margin: 0 0 8px; font-size: 1.2rem; }
.cta p { margin: 0 0 16px; color: var(--muted); }
.cta-links { display: flex; gap: 12px; flex-wrap: wrap; margin: 0 !important; }
.btn { display: inline-block; background: var(--rust); color: #fff; padding: 10px 18px; border-radius: 10px; font-weight: 600; }
.btn:hover { background: var(--rust-2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--bg-soft); }

/* Blog index */
.posts { max-width: 720px; padding-top: 56px; padding-bottom: 72px; }
.posts h1 { font-size: clamp(2rem, 5vw, 2.6rem); letter-spacing: -0.03em; margin: 0 0 8px; }
.posts > p { color: var(--muted); margin: 0 0 36px; }
.post-card { display: block; padding: 22px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); color: var(--text); margin-bottom: 16px; }
.post-card:hover { border-color: var(--rust); text-decoration: none; }
.post-card h2 { margin: 4px 0 6px; font-size: 1.25rem; letter-spacing: -0.02em; }
.post-card p { margin: 0; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 0.9rem; }
.foot-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }