/*
  Long-form pages under /writing/. Loaded after /styles.css and built only from
  its tokens (paper, ink, rule, accent; display, sans and mono stacks), so the
  posts follow the homepage in both themes without new colours or fonts.
*/

.header-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 150ms ease;
}

.header-link:hover,
.header-link[aria-current="page"] {
  color: var(--accent);
}

/* ---------- Post ---------- */

.post {
  padding: clamp(3rem, 7vw, 6rem) max(1.25rem, env(safe-area-inset-right))
    clamp(4rem, 8vw, 7rem) max(1.25rem, env(safe-area-inset-left));
}

.post-inner {
  max-width: 43rem;
  margin: 0 auto;
}

.post-header .eyebrow {
  margin-bottom: 1.6rem;
}

.post-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  text-wrap: balance;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  margin: 2.2rem 0 0;
  padding: 0.95rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tldr {
  margin: 2.6rem 0 3rem;
  padding: 1.6rem 1.75rem 1.5rem;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  background: var(--paper-raised);
}

.tldr-label {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tldr ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tldr li {
  position: relative;
  margin: 0 0 0.85rem;
  padding-left: 1.5rem;
  font-size: 1rem;
  line-height: 1.55;
}

.tldr li:last-child {
  margin-bottom: 0;
}

.tldr li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 0.7rem;
  height: 1px;
  background: var(--accent);
  content: "";
}

.tldr code,
.prose code {
  padding: 0.08em 0.35em;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper-raised);
  font-family: var(--mono);
  font-size: 0.8em;
}

.tldr a,
.prose a {
  text-decoration-color: color-mix(in srgb, var(--accent) 60%, transparent);
}

.tldr a:hover,
.prose a:hover {
  color: var(--accent);
}

.prose {
  counter-reset: section;
  font-family: var(--display);
  font-size: clamp(1.08rem, 1.15vw, 1.19rem);
  line-height: 1.7;
}

.prose p {
  margin: 0 0 1.2em;
}

.prose strong {
  font-weight: 600;
}

.prose ul,
.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.3em;
}

.prose li {
  margin: 0.35em 0;
}

.prose h2 {
  margin: 3.6rem 0 1.3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
  counter-increment: section;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.2vw, 2.55rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-wrap: balance;
}

.prose h2::before {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
  content: counter(section, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.prose h3 {
  margin: 2.5rem 0 0.8rem;
  font-family: var(--display);
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.25;
  text-wrap: balance;
}

/* Whole-paragraph italics in the drafts are context notes (epistemic status,
   how the work was run, the setting of a quoted transcript). */
.prose .note {
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.6;
}

.prose blockquote {
  margin: 1.8rem 0;
  padding: 1.15rem 1.4rem;
  border-left: 3px solid var(--accent);
  background: var(--paper-raised);
  font-family: var(--sans);
  font-size: 0.94rem;
  line-height: 1.6;
}

.prose blockquote p {
  margin: 0 0 0.8em;
}

.prose blockquote .note {
  padding-left: 0;
  border-left: 0;
  font-size: 0.84rem;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose figure {
  margin: 2.8rem 0;
}

.prose figure img {
  display: block;
  width: 100%;
  height: auto;
  padding: clamp(0.4rem, 1.4vw, 0.9rem);
  border: 1px solid var(--rule);
  background: #fff;
}

.prose figcaption {
  margin-top: 0.85rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.84rem;
  line-height: 1.55;
}

.prose sup {
  line-height: 0;
}

.prose sup a {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72em;
  text-decoration: none;
}

.prose .footnote {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.55;
}

.prose .footnote::before {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
  content: "Notes";
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prose .footnote hr {
  display: none;
}

.prose .footnote ol {
  margin: 0;
  padding-left: 1.3em;
}

.prose .footnote li {
  margin: 0.5em 0;
}

.prose .footnote p {
  margin: 0;
}

.prose .footnote-backref {
  margin-left: 0.3em;
  color: var(--faint);
  text-decoration: none;
}

/* Figures run a little wider than the text column once there is room. */
@media (min-width: 1000px) {
  .prose figure {
    margin-right: -4.5rem;
    margin-left: -4.5rem;
  }
}

.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 4.5rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.post-pager a {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem 0;
  text-decoration: none;
}

.post-pager .next {
  align-items: flex-end;
  grid-column: 2;
  text-align: right;
}

.post-pager .label {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-pager .title {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  transition: color 150ms ease;
}

.post-pager a:hover .title {
  color: var(--accent);
}

/* ---------- Writing index ---------- */

.writing-index .section-heading h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.5rem, 6vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.writing-index {
  max-width: 1180px;
  margin: 0 auto;
  border-bottom: 0;
}

@media (max-width: 680px) {
  .tldr {
    padding: 1.3rem 1.1rem 1.2rem;
  }

  .post-pager {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .post-pager .next {
    align-items: flex-start;
    grid-column: 1;
    text-align: left;
  }

  .post-pager a + a {
    border-top: 1px solid var(--rule);
  }

  .writing-index .section-heading {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

@media print {
  .site-header,
  .post-pager,
  .site-footer {
    display: none;
  }

  .prose figure img {
    border: 0;
  }
}