/* ============================================================
   ARTICLE PAGES — project write-ups and blog posts.
   Loaded after style.css, which supplies the palette and chrome.
   ============================================================ */

.article-wrapper {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 7.5rem 1.5rem 7rem;
}

/* --- Back link --- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 2.4rem;
  transition: color 0.18s ease, gap 0.18s ease;
}
.back-link:hover { color: var(--link-hover); gap: 0.7rem; }

/* --- Title block --- */
.article-head {
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 1.8rem;
  margin-bottom: 2.6rem;
}
.article-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.article-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.9rem;
}
.article-standfirst {
  font-size: 1.02rem;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 1.3rem;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.article-meta .dot { color: var(--border-line); }

/* --- Prose --- */
.prose { font-size: 1rem; line-height: 1.8; color: var(--text-sub); }
.prose > * + * { margin-top: 1.35rem; }

.prose h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-top: 3rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-line);
}
.prose h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 2.2rem;
}
.prose strong { color: var(--text-main); font-weight: 600; }
.prose em { color: var(--text-main); font-style: italic; }

.prose a {
  color: var(--link-hover);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}
.prose a:hover { color: var(--text-accent); }

.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin-bottom: 0.55rem; }
.prose li::marker { color: var(--text-accent); }

.prose blockquote {
  border-left: 2px solid var(--border-hover);
  padding: 0.2rem 0 0.2rem 1.3rem;
  color: var(--text-sub);
  font-style: italic;
}

.prose code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  color: var(--text-accent);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
}
.prose pre {
  background: var(--toggle-bg);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.65;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-sub);
  font-size: inherit;
}

/* Figures. Drop images in assets/img/ and reference them from here. */
.prose figure { margin-top: 2.2rem; }
.prose figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-line);
  background: var(--bg-color);
}
.prose figcaption {
  margin-top: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-dim);
}
.prose figcaption b { color: var(--text-accent); font-weight: 600; }

/* Wide content must scroll inside itself, never the page */
.prose .scroll-x { overflow-x: auto; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border-line);
}
.prose th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-accent);
}

/* Display math can overflow on narrow screens */
.prose .katex-display { overflow-x: auto; overflow-y: hidden; padding: 0.4rem 0; }

/* --- Callout --- */
.callout {
  border-left: 2px solid var(--border-hover);
  background: var(--badge-bg);
  border-radius: 0 8px 8px 0;
  padding: 1.1rem 1.3rem;
  font-size: 0.95rem;
}
.callout-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-accent);
  margin-bottom: 0.5rem;
}

/* --- Draft banner: delete this block from a page once it is written --- */
.draft-note {
  border: 1px dashed var(--border-hover);
  border-radius: 8px;
  padding: 1.1rem 1.3rem;
  margin-bottom: 2.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-dim);
}
.draft-note b { color: var(--text-accent); }

/* --- Blog index listing --- */
.post-list { list-style: none; padding: 0; }
.post-item {
  padding: 1.6rem 0;
  border-bottom: 1px dashed var(--border-line);
}
.post-item:first-child { padding-top: 0; }
.post-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}
.post-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-heading);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.18s ease;
}
.post-link:hover { color: var(--link-hover); }
.post-link .ext-arrow { color: var(--text-dim); transition: transform 0.18s ease; }
.post-link:hover .ext-arrow { transform: translate(2px, -2px); color: var(--link-hover); }
.post-excerpt {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-top: 0.5rem;
}

/* --- Footer navigation between pages --- */
.article-foot {
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .article-wrapper { padding: 6rem 1.25rem 5rem; }
  .prose h2 { margin-top: 2.4rem; }
}

/* Nobody wants the simulation in their printout */
@media print {
  canvas#feaCanvas, .orbit-layer, .top-header, .canvas-hint,
  .back-link, .article-foot, .scroll-indicator { display: none !important; }
  .article-wrapper, .content-wrapper { padding: 0; max-width: none; }
  body { background: #fff !important; color: #000 !important; }
  .prose, .article-standfirst { color: #222 !important; }
  .article-title, .prose h2, .prose h3, .prose strong { color: #000 !important; }
  .text-shield { text-shadow: none !important; }
  a { color: #000 !important; }
}

/* --- Coming-soon state, for a page that exists but is not written yet --- */
.coming-soon {
  border-left: 2px solid var(--border-hover);
  padding: 0.3rem 0 0.3rem 1.4rem;
}
.coming-soon-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-accent);
  margin-bottom: 0.6rem;
}
.coming-soon p {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--text-sub);
}