:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --paper-raised: #fbfaf6;
  --ink: #24231f;
  --muted: #77736a;
  --faint: #aaa49a;
  --line: #d7d1c5;
  --accent: #c96545;
  --accent-soft: #ead3c8;
  --terminal: #252421;
  --terminal-ink: #ece8df;
  --terminal-muted: #aaa79f;
  --user-bg: #e9e5dc;
  --max: 900px;
  --session-max: 760px;
  --mono: "SFMono-Regular", "Roboto Mono", "Cascadia Code", "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Charter, "Bitstream Charter", Georgia, serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #1f1e1b;
  --paper-raised: #282722;
  --ink: #eee9df;
  --muted: #aaa59c;
  --faint: #77736c;
  --line: #3c3933;
  --accent: #df8060;
  --accent-soft: #53372e;
  --terminal: #121211;
  --terminal-ink: #eee9df;
  --terminal-muted: #a7a298;
  --user-bg: #302f2a;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
img { display: block; max-width: 100%; height: auto; }
button, input { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; padding: 8px 12px; background: var(--ink); color: var(--paper); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { padding-top: clamp(32px, 7vw, 72px); padding-bottom: 34px; }
.identity-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.identity {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(17px, 2.5vw, 22px);
  font-weight: 650;
  text-decoration: none;
  letter-spacing: -.035em;
}
.prompt-dot { color: var(--accent); font-size: .65em; }
.subtitle { max-width: 580px; margin: 10px 0 18px 25px; color: var(--muted); font-family: var(--mono); font-size: 13px; }
.theme-toggle { border: 0; padding: 5px; background: transparent; color: var(--muted); cursor: pointer; font-size: 20px; }
.theme-toggle:hover { color: var(--accent); }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding: 0; list-style: none; }
.site-nav a, .site-nav span { color: var(--muted); font-family: var(--mono); font-size: 13px; text-decoration: none; }
.site-nav a:hover, .site-nav .active > a { color: var(--accent); }
.site-nav .submenu { position: absolute; z-index: 5; display: none; padding: 10px; background: var(--paper-raised); border: 1px solid var(--line); }
.site-nav li:hover > .submenu { display: grid; }

.listing-page { padding-bottom: 72px; }
.section-label {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
}
.session-list { border-bottom: 1px solid var(--line); }
.session-row { margin: 0; border-top: 1px solid var(--line); }
.session-row:first-child { border-top: 0; }
.session-link {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) 18px;
  gap: 10px;
  padding: 18px 0 17px;
  text-decoration: none;
  transition: color .18s ease, background-color .18s ease;
}
.row-prompt { color: var(--accent); font-family: var(--mono); font-size: 18px; font-weight: 800; line-height: 1.35; }
.row-main { display: grid; min-width: 0; gap: 4px; }
.row-title { overflow: hidden; font-family: var(--mono); font-size: clamp(15px, 2.4vw, 18px); font-weight: 650; line-height: 1.35; letter-spacing: -.03em; text-overflow: ellipsis; white-space: nowrap; }
.row-summary { min-width: 0; overflow: hidden; color: var(--muted); font-size: 13px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.row-summary p { display: inline; margin: 0; }
[data-entry-type="session"] .row-summary { font-family: var(--mono); font-size: 12px; }
.row-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; color: var(--muted); font-family: var(--mono); font-size: 11px; text-transform: lowercase; }
.row-meta strong { color: var(--accent); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.row-arrow { align-self: center; color: var(--faint); opacity: 0; transform: translate(-4px, 4px); transition: opacity .18s ease, transform .18s ease; }
.session-link:hover { color: var(--accent); }
.session-link:hover .row-summary, .session-link:hover .row-meta { color: var(--ink); }
.session-link:hover .row-prompt { transform: translateX(3px); }
.session-link:hover .row-arrow { opacity: 1; transform: none; }

.post-page { padding-bottom: 80px; }
.post-header, .session-heading { padding: clamp(32px, 6vw, 64px) 0 38px; border-top: 1px solid var(--ink); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-family: var(--mono); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
h1 { max-width: 780px; margin: 0; font-family: var(--serif); font-size: clamp(40px, 8vw, 74px); font-weight: 500; line-height: .99; letter-spacing: -.055em; }
.session-post { max-width: var(--session-max); margin-inline: auto; }
.session-heading { padding-top: clamp(28px, 5vw, 48px); padding-bottom: clamp(34px, 6vw, 54px); }
.session-heading h1 { max-width: 720px; font-family: var(--mono); font-size: clamp(31px, 5.2vw, 48px); font-weight: 650; line-height: 1.08; }
.session-deck { max-width: 650px; margin: 18px 0 0; color: var(--muted); font-size: clamp(16px, 2vw, 18px); line-height: 1.5; }
.standfirst { max-width: 690px; margin-top: 24px; color: var(--muted); font-family: var(--serif); font-size: clamp(20px, 3vw, 25px); line-height: 1.35; }
.standfirst p { margin: 0; }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 25px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.post-meta a { text-decoration: none; }
.featured-image { margin: 0 0 clamp(44px, 8vw, 80px); }
.featured-image img { width: 100%; border-radius: 3px; }
.featured-image figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; }

.prose { max-width: 720px; margin-inline: auto; font-family: var(--serif); font-size: clamp(18px, 2.4vw, 21px); line-height: 1.72; }
.prose > *:first-child { margin-top: 0; }
.prose h2, .prose h3, .prose h4 { margin: 2.2em 0 .65em; color: var(--ink); font-family: var(--sans); line-height: 1.2; letter-spacing: -.035em; }
.prose h2 { font-size: 1.65em; }
.prose h3 { font-size: 1.3em; }
.prose p, .prose ul, .prose ol, .prose blockquote { margin: 1.2em 0; }
.prose a { color: var(--accent); }
.prose blockquote { margin-left: 0; padding: .1em 0 .1em 1.2em; border-left: 3px solid var(--accent); color: var(--muted); }
.prose code { font-family: var(--mono); font-size: .82em; }
.prose :not(pre) > code { padding: .15em .35em; background: var(--accent-soft); border-radius: 3px; }
.prose pre { position: relative; overflow-x: auto; margin: 1.7em 0; padding: 22px; background: var(--terminal); color: var(--terminal-ink); border-radius: 6px; font: 13px/1.65 var(--mono); }
.copy-code { position: absolute; top: 8px; right: 8px; border: 1px solid #4a4842; padding: 4px 8px; background: transparent; color: var(--terminal-muted); border-radius: 3px; cursor: pointer; font: 10px var(--mono); }
.copy-code:hover { color: var(--terminal-ink); }

/* Keep the classic article on one deliberate vertical axis. */
.classic-post .prose,
.classic-post .post-tags { margin-left: 0; margin-right: auto; }

.session-command { display: flex; min-width: 0; align-items: center; gap: 5px; margin: 0 0 28px; color: var(--faint); font: 10px var(--mono); }
.session-command span:first-child { color: var(--accent); }
.session-command strong { overflow: hidden; color: var(--muted); font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.session-transcript { width: 100%; max-width: var(--session-max); margin-inline: auto; font-family: var(--sans); font-size: 16px; }
.session-message {
  display: grid;
  grid-template-areas: "speaker header" "body body";
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 7px 14px;
  margin: 0;
  padding: 26px 0 28px;
  border-top: 1px solid var(--line);
}
.session-speaker { grid-area: speaker; color: var(--muted); font: 700 14px/1.4 var(--mono); transition: color .16s ease, transform .16s ease; }
.session-message__header { grid-area: header; margin: 0; color: var(--muted); font: 700 10px var(--mono); letter-spacing: .08em; text-transform: lowercase; }
.session-message__body { grid-area: body; min-width: 0; }
.session-message__body > :first-child { margin-top: 0; }
.session-message__body > :last-child { margin-bottom: 0; }
.session-message:hover .session-speaker { color: var(--accent); transform: translateX(2px); }
.session-message--user .session-message__body { padding: 13px 16px; background: var(--user-bg); border-radius: 6px; }
.session-message--user .session-speaker, .session-message--assistant .session-speaker { color: var(--accent); }
.session-message--terminal .session-message__body, .session-message--tool .session-message__body { overflow: hidden; padding: 17px 19px; background: var(--terminal); color: var(--terminal-ink); border-radius: 6px; }
.session-message--terminal .session-message__header, .session-message--tool .session-message__header { color: var(--muted); }
.session-message--terminal pre, .session-message--tool pre { margin: 0; padding: 0; }
.session-message--tool .session-message__body { color: var(--terminal-muted); }
.session-message--note .session-message__body { padding: 2px 0 2px 14px; border-left: 2px solid var(--accent); color: var(--muted); }

.post-tags { display: flex; flex-wrap: wrap; gap: 10px; max-width: 720px; margin: 56px auto 0; padding-top: 18px; border-top: 1px solid var(--line); }
.post-tags a { color: var(--muted); font: 11px var(--mono); text-decoration: none; }
.post-tags a:hover { color: var(--accent); }
.post-navigation { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 70px; background: var(--line); border-block: 1px solid var(--line); }
.post-navigation a { display: grid; gap: 5px; padding: 20px; background: var(--paper); text-decoration: none; }
.post-navigation a:last-child { text-align: right; }
.post-navigation span { color: var(--muted); font: 10px var(--mono); }
.post-navigation strong { font-size: 13px; }

.archive-heading { padding: 32px 0 34px; border-top: 1px solid var(--ink); }
.archive-heading h1 { font-size: clamp(38px, 7vw, 64px); }
.archive-heading > div { max-width: 620px; color: var(--muted); }
.tag-index { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.tag-index li { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-family: var(--mono); }
.tag-index a { text-decoration: none; }
.tag-index a:hover { color: var(--accent); }
.tag-index span { color: var(--muted); }
.pagination { display: flex; justify-content: space-between; padding-block: 18px 60px; color: var(--muted); font: 11px var(--mono); }
.pagination a { text-decoration: none; }
.search-page input[type="search"], .search-page input[type="text"] { width: 100%; border: 1px solid var(--line); padding: 15px; background: var(--paper-raised); color: var(--ink); font-family: var(--mono); }
.error-page { min-height: 55vh; padding-top: 60px; border-top: 1px solid var(--ink); }
.error-code { margin: 0; color: var(--accent); font: 800 12px var(--mono); }
.error-page h1 { margin: 10px 0 20px; }
.text-button { color: var(--accent); font-family: var(--mono); }

.site-footer { display: flex; align-items: center; gap: 18px; padding-block: 18px 35px; border-top: 1px solid var(--line); color: var(--muted); font: 10px var(--mono); }
.site-footer > span { color: var(--accent); }
.site-footer > a { margin-left: auto; text-decoration: none; }
.site-footer .site-nav { display: none; }

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .site-header { padding-top: 26px; }
  .subtitle { margin-left: 0; }
  .session-link { grid-template-columns: 18px minmax(0, 1fr); padding-block: 20px; }
  .row-arrow { display: none; }
  .row-title, .row-summary { white-space: normal; }
  .row-summary { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }
  .post-header, .session-heading { padding-top: 32px; }
  .session-heading h1 { font-size: clamp(29px, 10vw, 42px); }
  .session-message { grid-template-columns: 18px minmax(0, 1fr); column-gap: 10px; padding-block: 22px 24px; }
  .session-message--user .session-message__body, .session-message--terminal .session-message__body, .session-message--tool .session-message__body { padding: 13px 14px; }
  .post-navigation { grid-template-columns: 1fr; }
  .post-navigation a:last-child { text-align: left; }
}

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