/* Shared styles for /articles/. Tokens mirror the home page. */
:root {
  --bg: #F2F4F6;
  --surface: #FFFFFF;
  --ink: #13202D;
  --muted: #566573;
  --line: #D6DDE4;
  --accent: #1F55D6;
  --accent-soft: #E3EAFB;
  --code-bg: #EEF1F5;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E151D; --surface: #152230; --ink: #E4EAF0; --muted: #94A3B2; --line: #263546;
    --accent: #7FA6FF; --accent-soft: #1B2B47; --code-bg: #101B27; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.7 var(--font-body); -webkit-font-smoothing: antialiased;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: 1040px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.narrow { max-width: 760px; }

/* Nav */
.nav { border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.brand { font: 13px var(--font-mono); color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 20px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }

/* Headings */
.eyebrow { font: 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
h1 { font: 800 clamp(2rem, 5vw, 3.1rem)/1.05 var(--font-display); letter-spacing: -0.02em; margin: 0 0 18px; text-wrap: balance; }

/* Index */
.index-head { padding-block: 56px 32px; }
.index-head p { color: var(--muted); max-width: 60ch; margin: 0; }
/* Longhand margins/padding so .wrap keeps the list centred with side gutters. */
.list { list-style: none; margin-block: 0; padding-top: 0; padding-bottom: 72px; }
.list > .item:first-child { border-top: 1px solid var(--line); }
.item { border-bottom: 1px solid var(--line); }
.item a.card { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding-block: 24px; text-decoration: none; color: var(--ink); }
@media (max-width: 640px) { .item a.card { grid-template-columns: 1fr; gap: 6px; } }
.item time { font: 13px var(--font-mono); color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 4px; }
.item h2 { font: 700 1.3rem/1.25 var(--font-display); margin: 0 0 6px; text-wrap: balance; }
.item a.card:hover h2 { color: var(--accent); }
.item p { color: var(--muted); margin: 0 0 10px; font-size: 15.5px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.tags li { font: 11.5px var(--font-mono); padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); }
.empty { padding-block: 32px 80px; color: var(--muted); }

/* Article */
.article-head { padding-block: 48px 8px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; color: var(--muted); font: 13.5px var(--font-mono); margin-bottom: 14px; }
.origin {
  display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; justify-content: space-between;
  border: 1px solid var(--line); background: var(--surface); border-radius: 10px;
  padding: 12px 16px; margin: 24px 0 8px; font-size: 14.5px; color: var(--muted);
}
.prose { padding-block: 16px 64px; overflow-wrap: break-word; }
.prose > * { max-width: 70ch; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--font-display); line-height: 1.25; letter-spacing: -0.01em; margin: 2em 0 .6em; text-wrap: balance; }
.prose h1, .prose h2 { font-size: 1.65rem; }
.prose h3 { font-size: 1.35rem; }
.prose h4 { font-size: 1.12rem; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose figure, .prose pre, .prose table { margin: 0 0 1.15em; }
.prose li { margin-bottom: .35em; }
.prose blockquote { border-left: 3px solid var(--accent); padding: 2px 0 2px 18px; color: var(--muted); }
.prose code { font: .88em var(--font-mono); background: var(--code-bg); border: 1px solid var(--line); border-radius: 5px; padding: .1em .35em; }
.prose pre {
  max-width: 100%; overflow-x: auto; background: var(--code-bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px 18px; font: 14px/1.6 var(--font-mono); white-space: pre;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.prose img { max-width: 100%; height: auto; border-radius: 8px; }
.prose figure { max-width: 100%; }
.prose figcaption { font-size: 14px; color: var(--muted); text-align: center; margin-top: 6px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; max-width: 100%; }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.article-foot { border-top: 1px solid var(--line); padding-block: 28px 64px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }

footer.site { border-top: 1px solid var(--line); padding-block: 24px; color: var(--muted); font-size: 13px; }