:root {
  --bg: #f5f1e8;
  --ink: #1a1713;
  --ink-soft: #3d342a;
  --muted: #8a7e6f;
  --muted-2: #b3a795;
  --rule: #d8cfbe;
  --rule-soft: #e8e0cf;
  --accent: #7c3aed;
  --accent-soft: #9a5ef5;
  --code-bg: #ebe4d3;
  --quote-bg: #efe8d6;
  --col: 620px;
}

[data-theme="dark"] {
  --bg: #16130f;
  --ink: #e8ddc6;
  --ink-soft: #b8ac92;
  --muted: #7a6f5d;
  --muted-2: #4e4638;
  --rule: #2d2820;
  --rule-soft: #1f1b15;
  --code-bg: #1a1612;
  --quote-bg: #1d1915;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body {
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 17px; line-height: 1.65;
  font-feature-settings: "onum", "liga";
  -webkit-font-smoothing: antialiased;
  transition: background .2s, color .2s;
}
a { color: inherit; text-decoration: none; }
a.link { border-bottom: 1px solid var(--rule); transition: border-color .15s, color .15s; }
a.link:hover { border-bottom-color: var(--accent); color: var(--accent); }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }
.display { font-family: "Newsreader", Georgia, serif; font-weight: 400; letter-spacing: -0.02em; }

/* Layout shell */
.shell { max-width: 1100px; margin: 0 auto; padding: 44px 56px 80px; }
.nav {
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 16px; margin-bottom: 56px;
}
.header-center .nav {
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.brand { font-family: "Newsreader", Georgia, serif; font-weight: 500; font-size: 23px; letter-spacing: -0.01em; }
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 26px; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.nav-links a.active { color: var(--ink); }
.nav-links a:hover { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 18px; }
.search-btn, .theme-btn {
  background: none; border: 1px solid var(--rule); border-radius: 999px;
  width: 30px; height: 30px; cursor: pointer; color: var(--muted);
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s;
}
.search-btn:hover, .theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Article column */
article { max-width: var(--col); margin: 0 auto; }
.eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.deck { font-family: "Source Serif 4", serif; font-style: italic; font-size: 18px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 36px; padding-bottom: 28px; border-bottom: 1px solid var(--rule); }
article h1.title { font-family: "Newsreader", serif; font-weight: 400; font-size: 52px; line-height: 1.04; letter-spacing: -0.025em; margin: 0 0 22px; text-wrap: pretty; }
article h1.title.sm { font-size: 38px; line-height: 1.1; }
article p { margin: 0 0 20px; }
article:not(.note) .content > p:first-of-type::first-letter {
  font-family: "Newsreader", serif;
  float: left;
  font-size: 72px; line-height: .85;
  padding: 6px 10px 0 0;
  color: var(--accent);
  font-weight: 500;
}

blockquote, blockquote.pull {
  margin: 32px -24px;
  padding: 18px 28px;
  border-left: 2px solid var(--accent);
  font-family: "Newsreader", serif;
  font-style: italic;
  font-size: 24px; line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.01em;
}

pre, .codefig {
  margin: 28px 0;
  background: var(--code-bg);
  border-left: 2px solid var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px; line-height: 1.65;
  padding: 18px 22px;
  overflow-x: auto;
  white-space: pre;
  color: var(--ink);
}
.codefig .kw { color: var(--accent); }
.codefig .cm { color: var(--muted); font-style: italic; }
.codefig .str { color: #8b5a2b; }
[data-theme="dark"] .codefig .str { color: #c99a6b; }

sup.fn { font-family: "IBM Plex Mono", monospace; font-size: 10px; color: var(--accent); padding: 0 1px; vertical-align: super; }
.footnotes { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-soft); line-height: 1.55; }
.footnotes .fn-item { display: grid; grid-template-columns: 28px 1fr; gap: 6px; margin-bottom: 10px; }
.footnotes .fn-num { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--accent); padding-top: 2px; }

.article-end {
  margin-top: 56px; padding: 28px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  display: flex; gap: 16px; align-items: center; justify-content: space-between;
  font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}

.post-nav {
  margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.post-nav a { display: block; padding: 14px 0; }
.post-nav .lbl { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.post-nav .t { font-family: "Newsreader", serif; font-size: 18px; letter-spacing: -0.01em; line-height: 1.25; }
.post-nav .next { text-align: right; }

/* Homepage */
.hero {
  margin-bottom: 72px;
}
.hero .dateline { margin-bottom: 14px; }
.hero-title { font-family: "Newsreader", serif; font-weight: 400; font-size: 56px; line-height: 1.02; letter-spacing: -0.025em; margin: 0 0 18px; max-width: 620px; text-wrap: balance; }
.hero .excerpt { font-size: 18px; line-height: 1.55; color: var(--ink-soft); font-style: italic; max-width: 560px; }
.hero .meta { margin-top: 18px; font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--muted); letter-spacing: .06em; }

.section-label {
  font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: baseline;
}
.section-label a { color: var(--muted); }
.section-label a:hover { color: var(--accent); }

.row {
  display: grid; grid-template-columns: 90px 1fr 120px;
  gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}
.row:last-child { border-bottom: none; }
.row:hover .row-title { color: var(--accent); }
.row-date { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.row-title { font-family: "Newsreader", serif; font-size: 20px; line-height: 1.3; letter-spacing: -0.01em; transition: color .12s; text-wrap: pretty; }
.row-meta { font-family: "IBM Plex Mono", monospace; font-size: 10px; color: var(--muted); text-align: right; text-transform: uppercase; letter-spacing: .1em; }
.row-meta .kind.note { color: var(--muted-2); }
.row-meta .kind.essay { color: var(--accent); }

/* Note page — narrower, lighter */
article.note { max-width: 540px; }
article.note h1.title { font-size: 32px; line-height: 1.15; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .06em;
  padding: 3px 9px; border: 1px solid var(--rule); border-radius: 999px;
  color: var(--muted); text-transform: lowercase;
  transition: border-color .12s, color .12s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { border-color: var(--accent); color: var(--accent); background: transparent; }

/* Subscribe block */
.subscribe {
  margin-top: 72px; padding: 32px 36px; border: 1px solid var(--rule);
  background: var(--quote-bg); border-radius: 2px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.subscribe h3 { font-family: "Newsreader", serif; font-weight: 400; font-size: 26px; letter-spacing: -0.015em; margin: 0 0 6px; }
.subscribe p { margin: 0; font-size: 15px; color: var(--ink-soft); line-height: 1.5; }
.subscribe form { display: flex; gap: 8px; }
.subscribe input {
  flex: 1; padding: 11px 14px; border: 1px solid var(--rule); background: var(--bg);
  font-family: "Source Serif 4", serif; font-size: 15px; color: var(--ink); outline: none; border-radius: 2px;
}
.subscribe input:focus { border-color: var(--accent); }
.subscribe button {
  padding: 11px 18px; background: var(--accent); color: #fff; border: none;
  font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  cursor: pointer; border-radius: 2px;
}
.subscribe button:hover { background: var(--accent-soft); }

/* Archive page */
.archive-year {
  font-family: "Newsreader", serif; font-size: 60px; font-weight: 400; color: var(--rule);
  letter-spacing: -0.03em; margin: 0 0 20px; line-height: 1;
}
.archive-group { margin-bottom: 72px; }

/* Tag page */
.tag-header {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 12px;
}
.tag-header h1 { font-family: "Newsreader", serif; font-weight: 400; font-size: 48px; letter-spacing: -0.02em; margin: 0; }
.tag-header h1::before { content: "#"; color: var(--accent); font-weight: 500; margin-right: 4px; }
.tag-count { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }

/* 404 */
.four-oh-four { text-align: center; padding: 80px 0 60px; max-width: 500px; margin: 0 auto; }
.four-oh-four .big {
  font-family: "Newsreader", serif; font-size: 140px; font-weight: 300;
  letter-spacing: -0.05em; line-height: 1; color: var(--accent); margin: 0 0 8px;
}
.four-oh-four .big em { font-style: italic; color: var(--ink); }
.four-oh-four h2 { font-family: "Newsreader", serif; font-weight: 400; font-size: 28px; letter-spacing: -0.015em; margin: 0 0 16px; }
.four-oh-four p { font-size: 17px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 28px; }
.four-oh-four .suggestions { text-align: left; margin-top: 32px; }

/* About */
.about-intro { max-width: 520px; }
.about-links {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: 80px 1fr; gap: 14px 20px;
  font-size: 15px; font-family: "IBM Plex Mono", monospace; font-size: 12px;
}
.about-links .k { color: var(--muted); letter-spacing: .06em; text-transform: uppercase; font-size: 11px; padding-top: 2px; }
.about-links .v { color: var(--ink); font-family: "Source Serif 4", serif; font-size: 15px; }
.about-links .v a:hover { color: var(--accent); }

/* Footer */
footer.site {
  margin-top: 80px; padding: 32px 0 8px; border-top: 1px solid var(--rule);
  font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: .08em;
  color: var(--muted); display: flex; justify-content: space-between; align-items: baseline;
}
footer.site a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .shell { padding: 28px 22px 60px; }
  .hero-title { font-size: 40px; }
  article h1.title { font-size: 36px; }
  .row { grid-template-columns: 70px 1fr; gap: 14px; }
  .row-meta { display: none; }
  .subscribe { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  blockquote.pull { margin: 24px 0; }
}