/* Development Cycle — terminal theme
   Single stylesheet, no JavaScript, system + self-hosted fonts. */

@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
  font-style: normal;
}

:root {
  --bg: #0b0d10;
  --bg-2: #101317;
  --line: #1e242b;
  --line-2: #2a333c;
  --fg: #c9d3da;
  --fg-bright: #e8eef2;
  --fg-dim: #7d8a95;
  --fg-faint: #5c6873;
  --accent: #7ee787;
  --accent-dim: rgba(126, 231, 135, 0.35);
  --amber: #ffb454;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --measure: 700px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }
/* deliberate link tarpit for crawlers that ignore robots.txt — never visible */
.tarpit {
  position: absolute; left: -9999px; width: 1px; height: 1px;
  overflow: hidden; opacity: 0; pointer-events: none;
}
.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 {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #06110a; padding: 10px 16px; font: 500 13px/1 var(--mono);
}
.skip:focus { left: 12px; top: 12px; }

/* ---------------- header ---------------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 16, 0.88);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 58px; }

.brand { font: 600 15px/1 var(--mono); letter-spacing: 0.02em; white-space: nowrap; }
.brand .tilde { color: var(--accent); }
.brand .cursor {
  display: inline-block; width: 8px; height: 15px; background: var(--accent);
  margin-left: 5px; vertical-align: -2px; animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav { margin-left: auto; display: flex; gap: 20px; font: 500 13px/1 var(--mono); color: var(--fg-dim); }
.nav a:hover { color: var(--accent); }
.nav a[aria-current='page'] { color: var(--fg-bright); }

/* ---------------- hero ---------------- */
.hero { padding: 56px 0 30px; border-bottom: 1px solid var(--line); }
.hero h1 { font: 600 30px/1.25 var(--mono); letter-spacing: -0.01em; margin: 0 0 12px; color: var(--fg-bright); }
.hero h1 .dim { color: var(--fg-dim); font-weight: 400; }
.hero p { margin: 0; color: var(--fg-dim); max-width: 60ch; }
.hero .stats { margin-top: 18px; font: 400 12px/1.8 var(--mono); color: var(--fg-dim); }
.hero .stats b { color: var(--accent); font-weight: 500; }
.hero .stats span { color: var(--fg-faint); margin: 0 8px; }

/* ---------------- post list ---------------- */
.post-list { padding: 8px 0 0; list-style: none; margin: 0; }
.post-row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.post-row time { font: 400 12px/1.6 var(--mono); color: var(--fg-dim); letter-spacing: 0.02em; }
.post-row h2 { margin: 0 0 6px; font: 500 17px/1.4 var(--sans); color: var(--fg-bright); }
.post-row h2 a:hover { color: var(--accent); }
.post-row p {
  margin: 0; color: var(--fg-dim); font-size: 14px; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-row .row-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.tag {
  font: 400 11px/1 var(--mono); color: var(--fg-dim);
  border: 1px solid var(--line); border-radius: 3px; padding: 4px 6px;
}
.tag:hover { color: var(--amber); border-color: #3a3020; }

/* ---------------- pagination ---------------- */
.pagination {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 26px 0 8px; font: 400 12px/1.5 var(--mono); color: var(--fg-dim);
}
.pagination a { border: 1px solid var(--line); border-radius: 3px; padding: 8px 12px; }
.pagination a:hover { color: var(--accent); border-color: var(--line-2); }
.pagination .disabled { opacity: 0.35; border: 1px solid var(--line); border-radius: 3px; padding: 8px 12px; }

/* ---------------- listing pages ---------------- */
.page-head { padding: 40px 0 22px; border-bottom: 1px solid var(--line); }
.page-head .kicker { font: 400 12px/1 var(--mono); color: var(--accent); letter-spacing: 0.04em; margin-bottom: 12px; }
.page-head h1 { font: 600 28px/1.25 var(--mono); margin: 0 0 10px; color: var(--fg-bright); }
.page-head p { margin: 0; color: var(--fg-dim); font-size: 14.5px; }

.year-head {
  font: 500 12px/1 var(--mono); color: var(--fg-faint); letter-spacing: 0.1em;
  text-transform: uppercase; margin: 36px 0 0; padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.taxonomy { display: flex; flex-wrap: wrap; gap: 8px; padding: 22px 0 40px; }

/* ---------------- article ---------------- */
.post { max-width: var(--measure); margin: 0 auto; padding: 40px 0 60px; }
.crumbs { font: 400 12px/1.6 var(--mono); color: var(--fg-faint); margin-bottom: 22px; }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 6px; color: var(--line-2); }

.post h1 { font: 600 32px/1.3 var(--mono); letter-spacing: -0.01em; margin: 0 0 14px; color: var(--fg-bright); }
.post .sub {
  font: 400 13px/1.6 var(--mono); color: var(--fg-dim);
  border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 28px;
}
.post .sub a { color: var(--accent); }

.prose { font-size: 16.5px; line-height: 1.75; }
.prose > *:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.15em; }
.prose h2, .prose h3, .prose h4 { font: 600 16px/1.4 var(--mono); color: var(--fg-bright); margin: 2em 0 0.7em; scroll-margin-top: 80px; }
.prose h2 { font-size: 18px; }
.prose strong { color: var(--fg-bright); font-weight: 600; }
.prose a { color: var(--accent); border-bottom: 1px solid var(--accent-dim); }
.prose a:hover { border-color: var(--accent); }
.prose a[href^='http']::after { content: '↗'; font-size: 0.8em; margin-left: 2px; color: var(--fg-faint); }

.prose img {
  max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 4px;
  background: var(--bg-2); margin: 1.5em 0; display: block;
}
.prose .alignright { float: right; margin: 0.4em 0 1em 1.5em; max-width: 46%; }
.prose .alignleft { float: left; margin: 0.4em 1.5em 1em 0; max-width: 46%; }
.prose .aligncenter { margin: 1.5em auto; }

.prose pre {
  background: var(--bg-2); border: 1px solid var(--line); border-left: 2px solid var(--accent);
  border-radius: 4px; padding: 14px 16px; overflow-x: auto; margin: 1.4em 0;
  font: 13px/1.65 var(--mono); tab-size: 2;
}
.prose code { font: 13px/1.6 var(--mono); background: var(--bg-2); border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: var(--amber); }
.prose pre code { background: none; border: 0; padding: 0; color: #cfe6d2; font-size: 13px; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.15em; }
.prose li { margin: 0.3em 0; }
.prose li > p { margin-bottom: 0.4em; }
.prose blockquote { margin: 1.4em 0; padding: 2px 0 2px 16px; border-left: 2px solid var(--amber); color: var(--fg-dim); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 1.5em 0; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.prose th { background: var(--bg-2); font: 500 12px/1.4 var(--mono); color: var(--fg-bright); }

@media (max-width: 620px) {
  .prose .alignright, .prose .alignleft { float: none; margin: 1.5em auto; max-width: 100%; }
}

.post-foot { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }
.post-foot .row-meta { display: flex; flex-wrap: wrap; gap: 6px; }

.pager { display: flex; gap: 16px; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 32px; font: 400 13px/1.5 var(--mono); }
.pager a { flex: 1; color: var(--fg-dim); border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px; }
.pager a:hover { color: var(--accent); border-color: #2b3a2e; }
.pager a.next { text-align: right; }
.pager .lbl { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 5px; color: var(--fg-faint); }

/* ---------------- footer ---------------- */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 48px; margin-top: 20px; }
.site-footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; font: 400 12px/1.8 var(--mono); color: var(--fg-faint); }
.site-footer a:hover { color: var(--accent); }
.site-footer .spacer { margin-left: auto; }

/* ---------------- 404 ---------------- */
.notfound { padding: 80px 0 120px; max-width: var(--measure); margin: 0 auto; }
.notfound .code { font: 700 56px/1 var(--mono); color: var(--accent); margin-bottom: 18px; }
.notfound p { color: var(--fg-dim); }

@media (max-width: 600px) {
  .site-header .wrap { height: auto; padding: 12px 20px; flex-wrap: wrap; gap: 10px; }
  .nav { margin-left: 0; width: 100%; gap: 16px; }
  .hero { padding: 36px 0 24px; }
  .hero h1 { font-size: 23px; }
  .post-row { grid-template-columns: 1fr; gap: 4px; }
  .post-row time { order: -1; }
  .post h1 { font-size: 25px; }
  .wrap { padding: 0 20px; }
}

@media print {
  .site-header, .site-footer, .pager, .pagination { display: none; }
  body { background: #fff; color: #111; }
  .prose a { color: #111; border: 0; }
}