:root,
:root[data-theme="light"] {
  --bg: #f4f5ef;
  --surface: #fbfbf7;
  --surface-alt: #eceee7;
  --surface-raised: #ffffff;
  --text: #303631;
  --text-strong: #191d1a;
  --text-secondary: #4a524c;
  --muted: #68716a;
  --border: #d6dad2;
  --border-strong: #aeb6ae;
  --accent: #9fb900;
  --accent-high: #b9d900;
  --accent-text: #596800;
  --accent-subtle: #edf6bc;
  --on-accent: #0b0d0c;
  --code-bg: #171b18;
  --code-text: #dee1d9;
  --shadow: rgba(25, 29, 26, .1);
}

:root[data-theme="dark"] {
  --bg: #0b0d0c;
  --surface: #111512;
  --surface-alt: #191d1a;
  --surface-raised: #252a26;
  --text: #dee1d9;
  --text-strong: #f4f5ef;
  --text-secondary: #c8ccc4;
  --muted: #89918a;
  --border: #303631;
  --border-strong: #4a524c;
  --accent: #b9d900;
  --accent-high: #ccff00;
  --accent-text: #c7e90d;
  --accent-subtle: #222a06;
  --on-accent: #0b0d0c;
  --code-bg: #080a09;
  --code-text: #dee1d9;
  --shadow: rgba(0, 0, 0, .42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 16% -12%, color-mix(in srgb, var(--accent-subtle) 72%, transparent) 0, transparent 34rem),
    radial-gradient(circle at 88% 8%, color-mix(in srgb, var(--surface-alt) 82%, transparent) 0, transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--accent-high); outline-offset: 3px; }
::selection { background: var(--accent-high); color: var(--on-accent); }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 8px 12px; transform: translateY(-150%); background: var(--accent); color: var(--on-accent); font: 700 12px/1 ui-monospace, monospace; }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(16px); }
.site-header-inner { width: min(1280px, calc(100% - 32px)); min-height: 74px; margin: auto; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; }
.identity { display: inline-flex; width: fit-content; gap: 11px; align-items: center; text-decoration: none; }
.wordmark { display: grid; text-transform: uppercase; line-height: 1; }
.wordmark strong { color: var(--text-strong); font-size: 16px; letter-spacing: .1em; }
.wordmark span { margin-top: 6px; color: var(--muted); font: 600 9px/1 ui-monospace, "DejaVu Sans Mono", monospace; letter-spacing: .08em; }
.site-header nav { display: flex; gap: 24px; }
.site-header nav a { color: var(--text-secondary); text-decoration: none; font: 700 11px/1 ui-monospace, "DejaVu Sans Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.site-header nav a:hover { color: var(--accent-text); }
.theme-switcher { display: flex; padding: 3px; gap: 2px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.theme-switcher button { border: 0; border-radius: 3px; padding: 7px 8px; background: transparent; color: var(--muted); cursor: pointer; font: 700 9px/1 ui-monospace, monospace; }
.theme-switcher button:hover { color: var(--text-strong); background: var(--surface-alt); }
.theme-switcher button.active { color: var(--on-accent); background: var(--accent); }

.eyebrow { margin: 0; color: var(--muted); font: 700 10px/1.4 ui-monospace, "DejaVu Sans Mono", monospace; text-transform: uppercase; letter-spacing: .14em; }
.eyebrow span { color: var(--accent-text); }

.index-page { padding-block: 98px 120px; }
.index-head { padding-bottom: 34px; border-bottom: 1px solid var(--border); }
.index-head h1 { margin: 0; color: var(--text-strong); font-size: clamp(52px, 8vw, 92px); line-height: .95; letter-spacing: -.06em; }
.post-index { display: grid; gap: 0; }
.post-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, .34fr); gap: clamp(24px, 5vw, 70px); padding: 27px 0; border-bottom: 1px solid var(--border); }
.post-row h2 { margin: 0; color: var(--text-strong); font-size: clamp(24px, 3vw, 38px); line-height: 1.08; letter-spacing: -.035em; }
.post-row h2 a { text-decoration: none; }
.post-row h2 a:hover { color: var(--accent-text); }
.post-row-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-content: start; color: var(--muted); font: 700 10px/1.5 ui-monospace, "DejaVu Sans Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.post-row-meta time { color: var(--accent-text); }
.post-row-meta span:not(:last-child)::after, .post-row-meta time::after { content: "/"; margin-left: 14px; color: var(--border-strong); }

.button { display: inline-flex; min-height: 45px; align-items: center; justify-content: center; border: 1px solid var(--border-strong); border-radius: 6px; padding: 0 18px; background: var(--surface); color: var(--text-strong); text-decoration: none; font: 750 11px/1 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.button:hover { border-color: var(--accent); background: var(--surface-alt); }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.button.primary:hover { background: var(--accent-high); }
.read-link { color: var(--text-strong); font: 750 11px/1.2 ui-monospace, monospace; text-decoration: none; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; }
.read-link:hover { color: var(--accent-text); }

.text-page { max-width: 760px; padding-block: 98px 130px; }
.text-page h1 { margin: 0 0 28px; color: var(--text-strong); font-size: clamp(44px, 7vw, 78px); line-height: .95; letter-spacing: -.055em; }
.text-page p { margin: 0 0 18px; color: var(--text-secondary); font-size: 20px; }
.text-page a { color: var(--accent-text); text-underline-offset: 3px; }

.article-shell { padding-block: 80px 120px; }
.article-header { max-width: 1000px; padding-bottom: 60px; }
.article-kicker, .article-meta { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font: 700 10px/1 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.article-kicker span:first-child { color: var(--accent-text); }
.article-header h1 { margin: 28px 0 24px; color: var(--text-strong); font-size: clamp(48px, 7.6vw, 100px); line-height: .91; letter-spacing: -.065em; }
.article-dek { max-width: 850px; margin: 0 0 30px; color: var(--text-secondary); font-size: clamp(19px, 2vw, 25px); line-height: 1.45; }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 760px); gap: clamp(50px, 8vw, 110px); align-items: start; border-top: 1px solid var(--border); padding-top: 50px; }
.article-layout.article-only { grid-template-columns: minmax(0, 760px); }
.toc { position: sticky; top: 110px; max-height: calc(100vh - 140px); overflow: auto; }
.toc > p { margin: 0 0 16px; color: var(--text-strong); font: 800 10px/1 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { border-top: 1px solid var(--border); }
.toc li.sub { padding-left: 12px; }
.toc a { display: block; padding: 8px 0; color: var(--muted); font: 600 10px/1.35 ui-monospace, monospace; text-decoration: none; }
.toc a:hover { color: var(--accent-text); }
.prose { min-width: 0; color: var(--text); font-size: 17px; line-height: 1.78; }
.prose > p:first-of-type { font-size: 19px; color: var(--text-secondary); }
.prose h2 { scroll-margin-top: 110px; margin: 76px 0 22px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text-strong); font-size: clamp(32px, 4vw, 46px); line-height: 1.06; letter-spacing: -.035em; }
.prose h3 { scroll-margin-top: 110px; margin: 48px 0 15px; color: var(--text-strong); font-size: 24px; line-height: 1.2; }
.prose p, .prose ul, .prose ol { margin: 0 0 24px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 7px 0; }
.prose a { color: var(--accent-text); text-underline-offset: 3px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose blockquote { margin: 34px 0; border: 1px solid var(--border); border-left: 5px solid var(--accent); padding: 26px 28px; background: var(--accent-subtle); color: var(--text-strong); }
.prose blockquote p { margin: 0; }
.prose code { border: 1px solid var(--border); border-radius: 4px; padding: .12em .35em; background: var(--surface-alt); color: var(--text-strong); font: .88em/1.5 ui-monospace, "DejaVu Sans Mono", monospace; }
.prose pre { max-width: 100%; overflow-x: auto; margin: 28px 0; border: 1px solid var(--border-strong); border-radius: 8px; padding: 20px; background: var(--code-bg); color: var(--code-text); box-shadow: inset 4px 0 0 var(--accent); }
.prose pre code { border: 0; padding: 0; background: transparent; color: inherit; font-size: 13px; line-height: 1.7; }
.prose table { display: block; width: 100%; overflow-x: auto; margin: 30px 0; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { min-width: 150px; border: 1px solid var(--border); padding: 12px 14px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface-alt); color: var(--text-strong); font: 750 11px/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .04em; }
.prose hr { height: 1px; margin: 60px 0; border: 0; background: var(--border); }
.article-end { display: flex; justify-content: space-between; margin-top: 80px; padding-top: 24px; border-top: 4px solid var(--accent); color: var(--muted); font: 700 10px/1 ui-monospace, monospace; text-transform: uppercase; }
.article-end a { color: var(--text-strong); text-decoration: none; }
.not-found { min-height: 60vh; display: grid; align-content: center; justify-items: start; }
.not-found h1 { margin: 20px 0 35px; color: var(--text-strong); font-size: clamp(48px, 8vw, 96px); line-height: .95; }

.site-footer { border-top: 1px solid var(--border); }
.footer-minimal { width: min(1180px, calc(100% - 40px)); margin: auto; display: flex; justify-content: space-between; gap: 24px; padding: 30px 0; color: var(--muted); font: 700 10px/1.4 ui-monospace, "DejaVu Sans Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.footer-minimal nav { display: flex; gap: 18px; }
.footer-minimal a { color: var(--text-secondary); text-decoration: none; }
.footer-minimal a:hover { color: var(--accent-text); }

@media (max-width: 900px) {
  .post-row { grid-template-columns: 1fr; gap: 12px; }
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: relative; top: auto; max-height: 300px; border: 1px solid var(--border); padding: 18px; background: var(--surface); }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 1180px); }
  .site-header-inner { width: calc(100% - 20px); grid-template-columns: 1fr auto; min-height: 66px; gap: 10px; }
  .site-header nav { display: none; }
  .wordmark span { display: none; }
  .theme-switcher button { padding: 6px; }
  .index-page, .text-page { padding-block: 60px 90px; }
  .article-shell { padding-block: 55px 90px; }
  .article-header h1 { font-size: 50px; }
  .prose { font-size: 16px; }
  .footer-minimal { width: calc(100% - 24px); flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}