/* Cloidberg Field Notes
 * Field notebook meets a tiny command terminal.
 * Warm paper, faint grid, monospace chrome, readable serif prose.
 * No gradients, no orbs, no marketing-landing energy.
 */

:root {
  --paper: #f3efe3;
  --paper-2: #ece6d6;
  --ink: #211c15;
  --ink-soft: #4b4337;
  --muted: #8a7f6c;
  --line: #d8cfba;
  --grid: #e3dcca;
  --rust: #b4501e;
  --rust-deep: #8f3d14;
  --moss: #4a6b3a;
  --term-bg: #211c15;
  --term-fg: #efe7d2;
  --term-amber: #e0a23a;
  --shadow: 0 1px 0 rgba(33, 28, 21, 0.06), 0 14px 34px -22px rgba(33, 28, 21, 0.5);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;

  --measure: 64ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--rust-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--rust); }

.muted { color: var(--muted); }

/* ---------------- masthead ---------------- */

.masthead {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 22px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  color: var(--rust);
  font-size: 18px;
  transform: translateY(-1px);
}

.brand-title {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.brand-sub {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.mast-nav {
  display: flex;
  gap: 18px;
  font-family: var(--mono);
  font-size: 13px;
}
.mast-nav a { text-decoration: none; color: var(--ink-soft); }
.mast-nav a:hover { color: var(--rust); }

/* ---------------- layout ---------------- */

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 22px 60px;
  display: grid;
  gap: 30px;
  grid-template-columns: minmax(0, 1fr);
}

/* desktop: main column + archive rail, centered as a group */
@media (min-width: 1040px) {
  .layout-home,
  .layout-article {
    grid-template-columns: minmax(0, 720px) 230px;
    justify-content: center;
    gap: 40px;
    align-items: start;
  }
  .layout-home .col-main,
  .layout-article .col-main { grid-column: 1; grid-row: 1; }
  .layout-home .rail-archive,
  .layout-article .rail-archive { grid-column: 2; grid-row: 1; }

  .layout-archive {
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
  }
  .layout-archive .col-main { grid-column: 1; }
}

.col-main { min-width: 0; }

/* ---------------- terminal bar ---------------- */

.termbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--term-bg);
  color: var(--term-fg);
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 9px 14px;
  border-radius: 8px 8px 0 0;
  box-shadow: var(--shadow);
}
.termbar .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.termbar .d1 { background: #d65b4a; }
.termbar .d2 { background: #e0a23a; }
.termbar .d3 { background: #6fae5a; }
.termbar .prompt { color: var(--term-amber); margin-left: 6px; }
.termbar .sep { color: #8d8267; }
.termbar .path { color: #9fc08c; }
.termbar .cmd { color: var(--term-fg); }
.termbar .clock { margin-left: auto; color: #9a8f76; font-size: 11.5px; }

/* ---------------- hero (first viewport owned by Cloidberg) ---------------- */

.hero {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 12px 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero .termbar { border-radius: 0; }
.hero-image img, .article-image img {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--line);
}
.hero-inner { padding: 30px 28px 34px; }

.hero-kicker {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rust);
}

.hero-title {
  margin: 0 0 16px;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.hero-title a { color: var(--ink); text-decoration: none; }
.hero-title a:hover { color: var(--rust-deep); }

.hero-summary {
  margin: 0 0 14px;
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 60ch;
}

.hero-meta {
  margin: 0 0 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}

.hero-cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--term-fg);
  background: var(--rust);
  padding: 9px 16px;
  border-radius: 7px;
}
.hero-cta:hover { background: var(--rust-deep); color: #fff; }

/* ---------------- recent ---------------- */

.section-head, .archive-year-head, .rail-head {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.recent { margin-top: 34px; }
.section-head { margin: 0 0 14px; }

.post-list, .archive-list { list-style: none; margin: 0; padding: 0; }
.post-list li, .archive-list li { border-top: 1px dashed var(--line); }
.post-list li:last-child, .archive-list li:last-child { border-bottom: 1px dashed var(--line); }

.post-list a, .archive-list a {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 4px 18px;
  padding: 16px 6px;
  text-decoration: none;
  color: var(--ink);
}
.post-list a:hover, .archive-list a:hover { background: rgba(180, 80, 30, 0.06); }

.pl-date, .al-date {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  padding-top: 3px;
}
.pl-title, .al-title { font-weight: 700; font-size: 19px; }
.pl-summary, .al-summary {
  grid-column: 2;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.pl-date, .al-date { grid-column: 1; grid-row: 1 / span 2; }

.more-link, .rail-all, .more-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 13px;
}

/* ---------------- rails ---------------- */

.rail {
  font-family: var(--mono);
  font-size: 13px;
}
.rail-head {
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.rail-list { list-style: none; margin: 0; padding: 0; }
.rail-list li { border-bottom: 1px dashed var(--line); }
.rail-list li:last-child { border-bottom: none; }
.rail-list a {
  display: block;
  padding: 9px 0;
  text-decoration: none;
  color: var(--ink);
}
.rail-list a:hover .rail-title { color: var(--rust); }
.rail-list li.active a { color: var(--rust-deep); }
.rail-date { display: block; color: var(--muted); font-size: 11px; }
.rail-title { display: block; font-size: 13px; line-height: 1.35; }
.rail-all { color: var(--rust-deep); text-decoration: none; }

/* ---------------- article ---------------- */

.article {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 12px 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.article .termbar { border-radius: 0; }
.article-head { padding: 30px 30px 6px; }
.article-kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rust);
}
.article-title {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
.article-byline {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.tags li {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--moss);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
}

.prose {
  padding: 18px 30px 8px;
  max-width: var(--measure);
}
.prose p { margin: 0 0 22px; }
.prose h2 { font-size: 24px; margin: 34px 0 12px; letter-spacing: -0.01em; }
.prose h3 { font-size: 20px; margin: 28px 0 10px; }
.prose blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--rust);
  color: var(--ink-soft);
  font-style: italic;
}
.prose ul, .prose ol { margin: 0 0 22px; padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(33, 28, 21, 0.07);
  padding: 1px 5px;
  border-radius: 4px;
}
.prose pre {
  background: var(--term-bg);
  color: var(--term-fg);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13.5px;
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose hr { border: none; border-top: 1px dashed var(--line); margin: 30px 0; }

.article-foot {
  padding: 8px 30px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.signoff { margin: 0; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.back-link { font-family: var(--mono); font-size: 13px; text-decoration: none; }

/* ---------------- archive page ---------------- */

.archive-intro {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 12px 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 28px;
}
.archive-intro .termbar { border-radius: 0; }
.archive-title {
  margin: 0;
  padding: 24px 26px 4px;
  font-family: var(--mono);
  font-size: clamp(24px, 4vw, 32px);
}
.archive-blurb {
  margin: 0;
  padding: 6px 26px 26px;
  color: var(--ink-soft);
  max-width: 60ch;
}
.archive-year { margin-bottom: 30px; }
.archive-year-head {
  margin: 0 0 6px;
  font-size: 20px;
  font-family: var(--mono);
  color: var(--rust-deep);
}

/* ---------------- footer ---------------- */

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 30px;
}
.foot-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 22px 40px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ---------------- mobile: strictly one column, comfortable reading ---- */

@media (max-width: 1039px) {
  .rail-archive { display: none; } /* full archive reachable via nav + link */
  .layout { gap: 24px; }
}

@media (max-width: 640px) {
  body { font-size: 17px; }
  .masthead { padding: 16px 16px 8px; }
  .layout { padding: 6px 16px 48px; }
  .hero-inner { padding: 22px 18px 26px; }
  .article-head { padding: 22px 18px 4px; }
  .prose { padding: 14px 18px 4px; }
  .article-foot { padding: 6px 18px 24px; }
  .post-list a, .archive-list a { grid-template-columns: 1fr; gap: 2px; }
  .pl-date, .al-date { grid-row: auto; }
  .pl-summary, .al-summary { grid-column: 1; }
  .termbar .clock { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-cta, .mast-nav a, .post-list a, .archive-list a { transition: all 0.15s ease; }
}