/* === The Sense of Nonsense — Editorial Theme === */
/* Typography: Lora (serif) + Inter (sans-serif)     */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

:root {
  /* Light mode */
  --color-bg: #faf9f7;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-soft: #555555;
  --color-text-muted: #888888;
  --color-border: #e0ddd8;
  --color-border-light: #ecebe7;
  --color-accent: #8B4513;
  --color-accent-hover: #6a3410;
  --color-link: #2b2b2b;
  --color-link-hover: #8B4513;
  --color-selection: rgba(139, 69, 19, 0.15);
  --color-blockquote: #f5f3ef;
  --color-code-bg: #f0efec;

  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width-article: 680px;
  --max-width-content: 960px;
  --content-padding: 1.5rem;
  --body-size: 1.0625rem;
  --line-height: 1.7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #141413;
    --color-surface: #1b1b1a;
    --color-text: #e4e2dd;
    --color-text-soft: #9e9b95;
    --color-text-muted: #6b6964;
    --color-border: #2c2b28;
    --color-border-light: #242321;
    --color-accent: #c48a4e;
    --color-accent-hover: #d49e5e;
    --color-link: #e4e2dd;
    --color-link-hover: #c48a4e;
    --color-selection: rgba(196, 138, 78, 0.25);
    --color-blockquote: #1f1e1c;
    --color-code-bg: #242321;
  }
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 100%; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-serif);
  font-size: var(--body-size);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  transition: background 0.2s, color 0.2s;
}

::selection { background: var(--color-selection); }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; text-decoration-color: var(--color-border); }
a:hover, a:focus { color: var(--color-link-hover); text-decoration-color: currentColor; }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.skip-link { position: absolute; top: -100%; left: 1rem; background: var(--color-accent); color: white; padding: 0.5rem 1rem; z-index: 100; }
.skip-link:focus { top: 0.5rem; }

/* === Site Header === */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0.75rem var(--content-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-brand { display: flex; flex-direction: column; gap: 0; }
.site-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
}
.site-title:hover { color: var(--color-accent); text-decoration: none; }
.site-tagline {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.nav-list a {
  text-decoration: none;
  color: var(--color-text-soft);
  padding: 0.25rem 0;
}
.nav-list a:hover, .nav-list a.active {
  color: var(--color-text);
  text-decoration: none;
}
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--color-text); margin: 5px 0; transition: transform 0.2s; }

/* === Main Content Area === */
.site-main {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 3rem var(--content-padding) 4rem;
  min-height: 60vh;
}

/* === Home Page === */
.home-header {
  text-align: center;
  max-width: var(--max-width-article);
  margin: 0 auto 4rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
}
.home-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.home-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}
.home-intro {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 1.6;
}
.section-heading {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}
.section-heading a { color: inherit; text-decoration: none; }
.section-heading a:hover { color: var(--color-text); text-decoration: none; }
.featured-articles, .featured-series, .recent-articles {
  max-width: var(--max-width-article);
  margin: 0 auto 3rem;
}
.featured-card h3 { font-family: var(--font-sans); font-weight: 600; font-size: 1.15rem; margin-bottom: 0.5rem; }
.featured-card p { font-size: 0.95rem; color: var(--color-text-soft); line-height: 1.6; }
.featured-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.5rem; }
.recent-list { list-style: none; }
.recent-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.recent-list a { text-decoration: none; font-weight: 500; }
.recent-list time { font-size: 0.8rem; color: var(--color-text-muted); white-space: nowrap; font-family: var(--font-sans); }
.archive-link { margin-top: 1.5rem; font-size: 0.9rem; }

/* === Page Header (listings, taxonomy, about) === */
.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.page-header h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

/* === Article List (section pages, term pages) === */
.article-list, .archive-list { max-width: var(--max-width-article); }
.list-item { margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--color-border-light); }
.list-item:last-child { border-bottom: none; }
.list-item-title { font-family: var(--font-sans); font-weight: 600; font-size: 1.1rem; margin-bottom: 0.3rem; }
.list-item-title a { text-decoration: none; }
.list-item-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.list-item-summary { font-size: 0.95rem; color: var(--color-text-soft); line-height: 1.6; }

/* === Article (Single Page) === */
.single-page { max-width: var(--max-width-article); }
.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.article-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.article-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.article-summary {
  font-style: italic;
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.6;
}

/* === Prose (rich content) === */
.prose { max-width: var(--max-width-article); }
.prose p { margin-bottom: 1.2rem; }
.prose h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 2.5rem 0 1rem;
  letter-spacing: -0.01em;
}
.prose h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 2rem 0 0.75rem;
}
.prose h4, .prose h5, .prose h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  margin: 1.5rem 0 0.5rem;
}
.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  background: var(--color-blockquote);
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-soft);
  font-style: italic;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose ul, .prose ol { margin: 1rem 0; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.4rem; }
.prose code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85em;
  background: var(--color-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 2px;
}
.prose pre {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}
.prose pre code { background: none; padding: 0; }
.prose hr {
  margin: 2.5rem 0;
  border: none;
  height: 1px;
  background: var(--color-border-light);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th, .prose td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  text-align: left;
}
.prose th {
  font-family: var(--font-sans);
  font-weight: 600;
  background: var(--color-blockquote);
}
.prose figcaption, .prose .caption {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.3rem;
}
.prose .footnotes {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-soft);
}
.prose .footnotes ol { padding-left: 1rem; }
.prose .footnotes li { margin-bottom: 0.3rem; }

/* === Topics === */
.article-topics { margin-top: 1rem; }
.topic-tag {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--color-border);
  margin-right: 0.35rem;
  text-decoration: none;
  color: var(--color-text-soft);
}
.topic-tag:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }
.topic-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.topic-item {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text-soft);
}
.topic-item:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }

/* === Series Navigation === */
.series-nav {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--color-blockquote);
  border-left: 3px solid var(--color-accent);
}
.series-nav h4 { font-family: var(--font-sans); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.75rem; }
.series-nav h4 a { text-decoration: none; }
.series-parts { padding-left: 1.25rem; }
.series-parts li { margin-bottom: 0.3rem; font-size: 0.9rem; }
.series-parts li.current { font-weight: 600; list-style-type: disc; }
.series-parts li.current a { text-decoration: none; }
.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.9rem;
}

/* === Series landing page === */
.series-part-list { max-width: var(--max-width-article); }
.series-part-list ol { list-style: none; counter-reset: part-counter; }
.series-part-item {
  counter-increment: part-counter;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.series-part-item::before { content: "Part " counter(part-counter) ". "; font-family: var(--font-sans); font-weight: 600; font-size: 0.85rem; color: var(--color-accent); }
.series-part-item a { font-family: var(--font-sans); font-weight: 500; font-size: 1.05rem; text-decoration: none; display: inline-block; margin-bottom: 0.25rem; }
.series-part-summary { font-size: 0.9rem; color: var(--color-text-soft); }
.series-part-item time { font-size: 0.75rem; color: var(--color-text-muted); font-family: var(--font-sans); }

/* === Archive === */
.archive-items { list-style: none; }
.archive-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.archive-item:first-child { padding-top: 0; }
.archive-date { font-family: var(--font-sans); font-size: 0.8rem; color: var(--color-text-muted); white-space: nowrap; flex-shrink: 0; }
.archive-item a { text-decoration: none; font-weight: 500; }
.archive-summary { font-size: 0.85rem; color: var(--color-text-soft); }

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: 2rem;
}
.footer-inner {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 2rem var(--content-padding);
  text-align: center;
}
.footer-copy {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}
.footer-ethos {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* === Responsive === */
@media (max-width: 680px) {
  :root { --body-size: 1rem; }
  .header-inner { flex-wrap: wrap; }
  .nav-toggle { display: block; }
  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 0.5rem 0;
  }
  .nav-list.open { display: flex; }
  .article-title { font-size: 1.4rem; }
  .home-title { font-size: 1.4rem; }
  .archive-item { flex-wrap: wrap; gap: 0.25rem; }
  .archive-item a { order: 1; width: 100%; }
  .archive-date { order: 0; }
}