/* DIY Ken — shop-notebook theme */
:root {
  --tape: #f4c21b;
  --tape-deep: #d9a70a;
  --graphite: #23282c;
  --graphite-2: #3a4146;
  --pencil: #1656aa;
  --pencil-dark: #0f3f80;
  --concrete: #f2f3f1;
  --paper: #ffffff;
  --rule: #d5d8d4;
  --muted: #5d666c;
  --grid: #d9e4ee;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Source Serif 4", Georgia, serif;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--concrete);
  color: var(--graphite);
  font: 400 1.0625rem/1.7 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pencil); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--pencil-dark); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--tape); outline-offset: 2px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--tape); color: var(--graphite); padding: 8px 14px; z-index: 10; }
.skip:focus { left: 8px; }

/* ---- masthead: the tape measure is the signature element ---- */
.masthead { background: var(--paper); border-bottom: 1px solid var(--rule); }
.tape {
  height: 30px;
  background-color: var(--tape);
  /* inch ticks (tall), half-inch (mid), quarter (short) — 96px per "inch" */
  background-image:
    linear-gradient(90deg, var(--graphite) 2px, transparent 2px),
    linear-gradient(90deg, var(--graphite) 1.5px, transparent 1.5px),
    linear-gradient(90deg, var(--graphite) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35,40,44,.55) 1px, transparent 1px);
  background-size: 96px 16px, 48px 11px, 24px 7px, 12px 4px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  background-repeat: repeat-x;
  border-bottom: 2px solid var(--tape-deep);
  position: relative;
}
.masthead-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--graphite); }
.brand:hover { color: var(--graphite); }
.brand-logo { height: 88px; width: auto; flex: none; }
.brand-tag {
  display: block; max-width: 40ch; padding-left: 18px; border-left: 3px solid var(--tape);
  font-size: 1.05rem; line-height: 1.4; color: var(--muted); font-style: italic;
}
.menu-btn { display: none; font: 600 1.05rem var(--display); background: var(--graphite); color: #fff; border: 0; padding: 8px 16px; border-radius: 3px; cursor: pointer; }

.nav { background: var(--graphite); }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0; margin: 0 auto; }
.nav a {
  display: block; padding: 12px 18px;
  font: 600 1.15rem/1 var(--display); letter-spacing: .02em;
  color: #e9ecec; text-decoration: none;
  border-bottom: 3px solid transparent;
}
.nav li:first-child a { padding-left: 0; }
.nav a:hover { color: #fff; border-bottom-color: var(--graphite-2); }
.nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--tape); }

/* ---- layout ---- */
.grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; padding-top: 40px; padding-bottom: 64px; }
.wrap:not(.grid) > main { padding-top: 40px; padding-bottom: 64px; }

/* ---- post list ---- */
.cards { display: flex; flex-direction: column; }
.card {
  display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px;
  padding: 26px 0; border-top: 1px solid var(--rule);
}
.card:first-child { border-top: 0; padding-top: 0; }
.card-img { display: block; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--rule); background: var(--paper); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-title { font: 700 1.85rem/1.05 var(--display); margin: 4px 0 8px; }
.card-title a { color: var(--graphite); text-decoration: none; }
.card-title a:hover { color: var(--pencil); }
.excerpt { margin: 0 0 10px; color: var(--graphite-2); }
.more { font: 600 1.05rem var(--display); }

.card-big { grid-template-columns: 1fr; gap: 18px; padding-bottom: 32px; }
.card-big .card-img { aspect-ratio: 16 / 7; }
.card-big .card-title { font-size: 2.8rem; line-height: .98; }
.card-big .excerpt { font-size: 1.15rem; }

.cards.mini { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.cards.mini .card { grid-template-columns: 1fr; gap: 10px; padding: 0; border: 0; }
.cards.mini .card-title { font-size: 1.3rem; }
.cards.mini .excerpt, .cards.mini .more { display: none; }

/* graph-paper placeholder when a post has no photo */
.ph {
  width: 100%; height: 100%; display: grid; place-items: center;
  background-color: #f8fbfd;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 14px 14px;
  color: var(--pencil);
}
.ph svg { width: 34%; max-width: 110px; height: auto; }

/* meta row: category chip + date + read time, spaced not dotted */
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; margin: 0; font-size: .9rem; color: var(--muted); }
.cat {
  font: 600 .95rem/1 var(--display); letter-spacing: .02em;
  background: var(--tape); color: var(--graphite); text-decoration: none;
  padding: 5px 8px 4px; border-radius: 2px;
}
.cat:hover { background: var(--tape-deep); color: var(--graphite); }

.archive-head { border-bottom: 3px solid var(--graphite); margin-bottom: 26px; padding-bottom: 12px; }
.archive-head h1 { font: 700 2.6rem/1 var(--display); margin: 0 0 6px; }
.archive-head p { margin: 0; color: var(--muted); }

.pager { display: flex; justify-content: space-between; align-items: center; border-top: 3px solid var(--graphite); margin-top: 20px; padding-top: 14px; font: 600 1.1rem var(--display); }
.pnum { color: var(--muted); font-weight: 500; }

/* ---- single post ---- */
.post-head h1 { font: 700 clamp(2.4rem, 5vw, 3.6rem)/.98 var(--display); margin: 14px 0 12px; letter-spacing: -.01em; }
.byline { margin: 0; color: var(--muted); font-style: italic; }
.post-head { padding-bottom: 22px; border-bottom: 1px solid var(--rule); margin-bottom: 28px; }
.page .post-head h1 { margin-top: 0; }
.hero { margin: 0 0 28px; aspect-ratio: 16/8; border: 1px solid var(--rule); overflow: hidden; }
.hero img { width: 100%; height: 100%; object-fit: cover; }

.toc {
  background: var(--paper); border: 1px solid var(--rule); border-left: 4px solid var(--tape);
  padding: 14px 20px; margin: 0 0 30px; max-width: 70ch;
}
.toc p { margin: 0 0 6px; font: 600 1.15rem var(--display); }
.toc ol { margin: 0; padding-left: 1.3em; }
.toc li { margin: 2px 0; }

.prose { max-width: 70ch; font-size: 1.125rem; line-height: 1.75; }
.prose > * { margin-top: 0; margin-bottom: 1.1em; }
.prose h2 { font: 700 2rem/1.05 var(--display); margin: 1.8em 0 .5em; scroll-margin-top: 20px; }
.prose h3 { font: 700 1.5rem/1.1 var(--display); margin: 1.5em 0 .4em; }
.prose h4 { font: 600 1.25rem/1.2 var(--display); margin: 1.4em 0 .3em; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin-bottom: .35em; }
.prose li::marker { color: var(--pencil); font-weight: 600; }
.prose blockquote {
  margin-left: 0; padding: 14px 20px; background: #fff8dc; border-left: 4px solid var(--tape);
}
.prose blockquote > :last-child { margin-bottom: 0; }
.prose code { font-size: .9em; background: #e7eaec; padding: .1em .35em; border-radius: 3px; }
.prose pre { background: var(--graphite); color: #eef; padding: 16px; overflow-x: auto; border-radius: 3px; }
.prose pre code { background: none; padding: 0; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }
.prose img { border: 1px solid var(--rule); }
.prose table { border-collapse: collapse; width: 100%; font-size: 1rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--rule); padding: 8px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--paper); font-family: var(--display); font-size: 1.1rem; }
.prose .note { background: var(--paper); border: 1px solid var(--rule); padding: 14px 18px; }

.post-foot { margin-top: 40px; max-width: 70ch; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tags a { font: 500 1rem var(--display); color: var(--graphite-2); text-decoration: none; border: 1px solid var(--rule); background: var(--paper); padding: 3px 10px; border-radius: 2px; }
.tags a:hover { border-color: var(--graphite); }
.author-box { display: flex; gap: 18px; background: var(--paper); border: 1px solid var(--rule); padding: 20px; }
.author-box p { margin: 0; }
.ab-name { font: 700 1.3rem var(--display); margin-bottom: 4px !important; }

.avatar {
  flex: none; width: 64px; height: 64px; border-radius: 50%;
  background: var(--tape); color: var(--graphite);
  display: grid; place-items: center; font: 700 2rem var(--display);
  border: 3px solid var(--graphite);
}

.adjacent { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 44px 0 0; border-top: 3px solid var(--graphite); padding-top: 16px; }
.adjacent a { text-decoration: none; font: 600 1.2rem/1.15 var(--display); color: var(--graphite); }
.adjacent a:hover { color: var(--pencil); }
.adjacent span { display: block; font: italic 400 .9rem var(--body); color: var(--muted); margin-bottom: 4px; }
.adjacent .next { text-align: right; }

.related { margin-top: 44px; }
.related > h2 { font: 700 1.8rem var(--display); margin: 0 0 18px; }

/* ---- sidebar ---- */
.sidebar { display: flex; flex-direction: column; gap: 30px; }
.widget h2 { font: 700 1.35rem/1 var(--display); margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--graphite); }
.widget-about { background: var(--paper); border: 1px solid var(--rule); padding: 22px; }
.widget-about h2 { border: 0; padding: 0; margin: 14px 0 6px; font-size: 1.6rem; }
.widget-about p { margin: 0 0 16px; font-size: 1rem; color: var(--graphite-2); }
.btn {
  display: inline-block; background: var(--graphite); color: #fff; text-decoration: none;
  font: 600 1.05rem var(--display); padding: 8px 16px; border-radius: 3px;
}
.btn:hover { background: var(--pencil); color: #fff; }
.list { list-style: none; margin: 0; padding: 0; font-size: 1rem; }
.list li { padding: 8px 0; border-bottom: 1px solid var(--rule); line-height: 1.35; }
.list li:last-child { border-bottom: 0; }
.list a { color: var(--graphite); text-decoration: none; }
.list a:hover { color: var(--pencil); text-decoration: underline; }
.counts li { display: flex; justify-content: space-between; }
.counts span { color: var(--muted); font-size: .9rem; }

.search { display: flex; }
.search input {
  flex: 1; min-width: 0; font: inherit; font-size: 1rem; padding: 8px 10px;
  border: 1px solid #b8bdb9; border-right: 0; border-radius: 3px 0 0 3px; background: var(--paper);
}
.search button { font: 600 1.05rem var(--display); background: var(--tape); border: 1px solid var(--tape-deep); padding: 0 14px; border-radius: 0 3px 3px 0; cursor: pointer; color: var(--graphite); }
.search button:hover { background: var(--tape-deep); }
.search.big { max-width: 520px; margin-top: 12px; }
.search.big input { font-size: 1.1rem; padding: 10px 12px; }
#search-status { margin-top: 12px; }

/* ---- footer ---- */
.footer { background: var(--graphite); color: #c9ced0; padding: 36px 0 44px; border-top: 6px solid var(--tape); }
.footer p { margin: 0 0 10px; max-width: 75ch; }
.footer a { color: #fff; }
.f-title { font: 700 1.8rem/1 var(--display); color: #fff; }
.small { font-size: .9rem; }
.links { display: flex; flex-wrap: wrap; gap: 18px; }

/* ---- responsive ---- */
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; gap: 40px; }
  .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  .widget-about { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  body { font-size: 1rem; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  .brand-logo { height: 58px; }
  .brand-tag { display: none; }
  .menu-btn { display: block; }
  .nav { display: none; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; padding: 6px 16px 10px; }
  .nav li:first-child a { padding-left: 0; }
  .nav a { padding: 11px 0; border-bottom: 1px solid var(--graphite-2); }
  .nav a[aria-current="page"] { border-bottom-color: var(--tape); }
  .card { grid-template-columns: 110px minmax(0, 1fr); gap: 14px; }
  .card-title { font-size: 1.45rem; }
  .card .excerpt { display: none; }
  .card-big { grid-template-columns: 1fr; }
  .card-big .excerpt { display: block; font-size: 1.05rem; }
  .card-big .card-title { font-size: 2.1rem; }
  .cards.mini { grid-template-columns: 1fr; }
  .cards.mini .card { grid-template-columns: 110px minmax(0, 1fr); gap: 14px; }
  .sidebar { grid-template-columns: 1fr; }
  .prose { font-size: 1.0625rem; }
  .adjacent { grid-template-columns: 1fr; }
  .adjacent .next { text-align: left; }
  .author-box { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }