/* ==========================================================================
   Typewriter theme
   A plain, old-school, monospaced blog theme with a light/dark toggle.
   ========================================================================== */

@font-face {
  font-family: "Courier Prime";
  src: url("/fonts/courier-prime-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Courier Prime";
  src: url("/fonts/courier-prime-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Courier Prime";
  src: url("/fonts/courier-prime-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Courier Prime";
  src: url("/fonts/courier-prime-700-italic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Special Elite";
  src: url("/fonts/special-elite-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* -------------------------------------------------------------------------
   Colour scheme
   ------------------------------------------------------------------------- */
:root {
  --paper: #f4f1e8;
  --paper-alt: #ebe6d8;
  --ink: #2b2a28;
  --ink-soft: #514f49;
  --ink-faint: #8a867a;
  --rule: #cec5ac;
  --accent: #9a3324;   /* typewriter-ribbon red */
  --accent-ink: #7a2a3d;
  --code-bg: #eae4d2;
  --selection: #d8cba3;
  --shadow: rgba(43, 42, 40, 0.12);

  --content-width: 700px;
  --wide-width: 900px;
  --font-body: "Courier Prime", "Courier New", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-head: "Special Elite", "Courier New", var(--font-body);
}

:root[data-theme="dark"] {
  --paper: #1b1a17;
  --paper-alt: #232019;
  --ink: #e7e2d3;
  --ink-soft: #c3bda9;
  --ink-faint: #8a8474;
  --rule: #46422f;
  --accent: #e2a13a;
  --accent-ink: #f0b95a;
  --code-bg: #262319;
  --selection: #4a4331;
  --shadow: rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1b1a17;
    --paper-alt: #232019;
    --ink: #e7e2d3;
    --ink-soft: #c3bda9;
    --ink-faint: #8a8474;
    --rule: #46422f;
    --accent: #e2a13a;
    --accent-ink: #f0b95a;
    --code-bg: #262319;
    --selection: #4a4331;
    --shadow: rgba(0, 0, 0, 0.4);
  }
}

/* -------------------------------------------------------------------------
   Reset & base
   ------------------------------------------------------------------------- */
* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  transition: background-color 0.15s ease, color 0.15s ease;
  text-rendering: optimizeLegibility;
}

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

img, svg, video { max-width: 100%; height: auto; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--ink-faint);
  text-underline-offset: 3px;
}
a:hover, a:focus {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
a:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.2px;
  color: var(--ink);
  margin: 1.8em 0 0.6em;
}
h1 { font-size: 1.7rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }
h4, h5, h6 { font-size: 1rem; }

p { margin: 0 0 1.1em; }

hr {
  border: none;
  border-top: 1px dashed var(--rule);
  margin: 2.2em 0;
}

blockquote {
  margin: 1.4em 0;
  padding: 0.2em 1.2em;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}

code, kbd, samp {
  font-family: var(--font-body);
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 2px;
  font-size: 0.92em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  padding: 1em 1.1em;
  overflow-x: auto;
  border-radius: 3px;
  line-height: 1.55;
  margin: 1.4em 0;
}
pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.88em;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4em 0;
  font-size: 0.94em;
  overflow-x: auto;
  display: block;
}
th, td {
  border: 1px solid var(--rule);
  padding: 0.45em 0.7em;
  text-align: left;
}
th { background: var(--paper-alt); }

ul, ol { padding-left: 1.4em; }
li { margin: 0.35em 0; }

figure { margin: 1.6em 0; }
figure img {
  display: block;
  margin: 0 auto;
  border: 1px solid var(--rule);
  background: var(--paper-alt);
  padding: 4px;
}
figcaption {
  text-align: center;
  font-size: 0.85em;
  color: var(--ink-faint);
  margin-top: 0.5em;
  font-style: italic;
}

/* -------------------------------------------------------------------------
   Layout
   ------------------------------------------------------------------------- */
.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.wrap--wide { max-width: var(--wide-width); }

.site-header {
  border-bottom: 1px dashed var(--rule);
  padding: 1.6rem 0 1.1rem;
}
.site-header__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-title {
  font-family: var(--font-head);
  font-size: 1.3rem;
  margin: 0;
  letter-spacing: 0.5px;
}
.site-title a { text-decoration: none; color: var(--ink); }
.site-subtitle {
  color: var(--ink-faint);
  font-size: 0.85rem;
  margin: 0.3rem 0 0;
}

.site-nav {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.1rem;
  font-size: 0.92rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.theme-toggle {
  font-family: var(--font-body);
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  border-radius: 3px;
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

main { padding: 2.2rem 0 3rem; min-height: 50vh; }

.site-footer {
  border-top: 1px dashed var(--rule);
  padding: 1.6rem 0 2.4rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.site-footer__row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.site-footer a { color: var(--ink-soft); }
.footer-links a { margin-right: 0.9rem; }

/* -------------------------------------------------------------------------
   Post list
   ------------------------------------------------------------------------- */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-item {
  padding: 1.1rem 0;
  border-bottom: 1px dashed var(--rule);
}
.post-item:first-child { padding-top: 0; }

.post-item__date {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.4px;
  margin-bottom: 0.25rem;
}
.post-item__title {
  margin: 0 0 0.3rem;
  font-size: 1.1rem;
}
.post-item__title a { text-decoration: none; }
.post-item__title a:hover { text-decoration: underline; text-decoration-style: dotted; }

.post-item__summary {
  color: var(--ink-soft);
  font-size: 0.94rem;
  margin: 0.2rem 0 0;
}
.post-item__meta {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 0.4rem;
}
.post-item__meta a { color: var(--ink-faint); text-decoration: none; }
.post-item__meta a:hover { color: var(--accent); }

.page-heading {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
}

/* -------------------------------------------------------------------------
   Single post
   ------------------------------------------------------------------------- */
.post-header { margin-bottom: 2rem; }
.post-header__title {
  font-size: 1.65rem;
  margin: 0 0 0.5rem;
}
.post-header__meta {
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.post-header__meta span { margin-right: 0.9rem; }
.post-header__meta a { color: var(--ink-faint); }

.post-tags {
  margin-top: 0.9rem;
  font-size: 0.82rem;
}
.post-tags a {
  display: inline-block;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.1rem 0.5rem;
  margin: 0.2rem 0.35rem 0.2rem 0;
  text-decoration: none;
  color: var(--ink-soft);
}
.post-tags a:hover { border-color: var(--accent); color: var(--accent); }

.post-content { font-size: 1.02rem; }

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.6rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--rule);
  font-size: 0.9rem;
}
.post-nav a { text-decoration: none; }
.post-nav__next { text-align: right; margin-left: auto; }
.post-nav__label {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 0.2rem;
}

.toc {
  border: 1px dashed var(--rule);
  padding: 0.9rem 1.2rem;
  margin: 1.8rem 0;
  font-size: 0.88rem;
  background: var(--paper-alt);
}
.toc summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.toc nav ul { padding-left: 1.2em; margin: 0.6em 0 0; }
.toc nav > ul { padding-left: 0; }
.toc nav a { text-decoration: none; }
.toc nav a:hover { text-decoration: underline; }

/* -------------------------------------------------------------------------
   Taxonomy pages
   ------------------------------------------------------------------------- */
.term-list { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 2rem; }
.term-list li { break-inside: avoid; margin: 0.3rem 0; }
.term-list a { text-decoration: none; }
.term-list .count { color: var(--ink-faint); font-size: 0.85em; }

/* -------------------------------------------------------------------------
   Search
   ------------------------------------------------------------------------- */
.search-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper-alt);
  color: var(--ink);
  margin-bottom: 1.6rem;
}
.search-input:focus { outline: none; border-color: var(--accent); }
.search-hint { font-size: 0.82rem; color: var(--ink-faint); margin: -1rem 0 1.6rem; }
.search-empty { color: var(--ink-faint); font-style: italic; }

/* -------------------------------------------------------------------------
   404
   ------------------------------------------------------------------------- */
.error-page { text-align: center; padding: 3rem 0; }
.error-page__code {
  font-family: var(--font-head);
  font-size: 3rem;
  margin: 0;
  color: var(--ink-faint);
}

/* -------------------------------------------------------------------------
   Pagination
   ------------------------------------------------------------------------- */
.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--rule);
  font-size: 0.9rem;
}
.pagination a { text-decoration: none; }

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 1rem; }
  .site-header { padding: 1.2rem 0 0.9rem; }
  .site-title { font-size: 1.1rem; }
  .post-header__title { font-size: 1.35rem; }
  h1 { font-size: 1.4rem; }
  h2 { font-size: 1.2rem; }
  .term-list { columns: 1; }
  main { padding: 1.6rem 0 2.2rem; }
  table { font-size: 0.85em; }
}

@media (max-width: 400px) {
  .site-footer__row { flex-direction: column; }
}