/* =========================================================
   GageLog — public blog (/blog/). Loaded after main.css by
   blog/templates/blog/base_blog.html; uses main.css tokens.
   Post HTML comes only from blog/services/render.py, so the
   classes styled under .blog-prose are that renderer's
   vocabulary (SCHEMA["html"] in blog/services/prosemirror.py).
   ========================================================= */

:root {
  --blog-measure: 68ch;
  --blog-wide: 1040px;
  --blog-gap: 1.5rem;
  --blog-radius: 8px;
}

.blog {
  padding: 2rem 1rem 3rem;
  /* 100vw breakouts include the scrollbar width; never scroll sideways. */
  overflow-x: clip;
}

/* ── Listing (index, tag, author) ───────────────────────── */

.blog-hero,
.blog-list,
.blog-pager,
.blog-crumbs,
.blog-author,
.blog-empty {
  max-width: var(--blog-wide);
  margin-left: auto;
  margin-right: auto;
}

.blog-hero { margin-bottom: 2rem; }
.blog-hero__title { font-size: 2rem; margin-bottom: 0.35rem; }
.blog-hero__lede { color: var(--muted); font-size: 1.05rem; }

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--blog-gap);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--blog-radius);
  overflow: hidden;
}

.blog-card__media { display: block; aspect-ratio: 1200 / 630; background: var(--teal-wash); }
.blog-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.blog-card__body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: 0.5rem; }
.blog-card__title { font-size: 1.2rem; }
.blog-card__title a { color: inherit; }
.blog-card__excerpt { color: var(--text); }

.blog-meta { color: var(--muted); font-size: 0.9rem; }
.blog-meta__sep { margin: 0 0.35rem; }

.blog-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.blog-tag {
  display: inline-block;
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  background: var(--teal-wash);
  color: var(--brand-dark);
  font-size: 0.82rem;
}

.blog-crumbs { font-size: 0.88rem; color: var(--muted); margin-bottom: 0.75rem; }

.blog-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.blog-pager__status { color: var(--muted); font-size: 0.9rem; }

.blog-author { display: flex; gap: 1.25rem; align-items: flex-start; margin-bottom: 2rem; }
.blog-author__photo { border-radius: 50%; object-fit: cover; flex: none; }
.blog-author__bio { color: var(--muted); margin-top: 0.4rem; max-width: var(--blog-measure); }

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

/* ── Post ───────────────────────────────────────────────── */

.blog-post,
.blog-adjacent,
.blog-preview-banner {
  max-width: var(--blog-measure);
  margin-left: auto;
  margin-right: auto;
}

.blog-preview-banner {
  background: var(--info-bg);
  border: 1px solid var(--teal);
  border-radius: var(--blog-radius);
  padding: 0.6rem 0.9rem;
  margin-bottom: 1.5rem;
}

.blog-post__header { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; }
.blog-post__title { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.6rem); line-height: 1.15; }
.blog-post__lede { font-size: 1.15rem; color: var(--muted); }

/* Hero and wide/full figures break out of the 68ch column. */
.blog-post__hero,
.blog-figure--wide,
.blog-figure--full {
  width: min(var(--blog-wide), calc(100vw - 2rem));
  margin-left: 50%;
  transform: translateX(-50%);
}
.blog-figure--full { width: calc(100vw - 2rem); }

.blog-post__hero { margin-top: 0; margin-bottom: 2rem; }
.blog-post__hero img { display: block; width: 100%; height: auto; border-radius: var(--blog-radius); }

.blog-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--blog-radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 2rem;
}
.blog-toc__title { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.4rem; }
.blog-toc__list { padding-left: 1.25rem; display: grid; gap: 0.2rem; }

/* ── Prose (renderer output) ────────────────────────────── */

.blog-prose {
  font-size: 1.1rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}
.blog-prose > * + * { margin-top: 1.1em; }
.blog-prose h2 { font-size: 1.6rem; margin-top: 2em; scroll-margin-top: 1rem; }
.blog-prose h3 { font-size: 1.3rem; margin-top: 1.6em; scroll-margin-top: 1rem; }
.blog-prose h4 { font-size: 1.1rem; margin-top: 1.4em; scroll-margin-top: 1rem; }
.blog-prose a { text-decoration: underline; text-underline-offset: 0.15em; }
.blog-prose ul,
.blog-prose ol { padding-left: 1.5rem; }
.blog-prose li + li { margin-top: 0.3em; }
.blog-prose li > p { margin: 0; }
.blog-prose blockquote {
  border-left: 3px solid var(--teal);
  padding: 0.2rem 0 0.2rem 1rem;
  color: var(--muted);
  font-style: italic;
}
.blog-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--teal-wash);
  padding: 0.05em 0.3em;
  border-radius: 4px;
}
.blog-prose pre {
  background: #1B2A38;
  color: #E8F4FB;
  padding: 1rem;
  border-radius: var(--blog-radius);
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.5;
}
.blog-prose pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.blog-prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.5em 0; }

/* Images: responsive, dimensions from the width/height attributes (no CLS). */
.blog-figure { margin-left: 0; margin-right: 0; }
.blog-figure img { display: block; max-width: 100%; height: auto; border-radius: var(--blog-radius); }
.blog-figure--wide img,
.blog-figure--full img { width: 100%; }
.blog-figure figcaption,
.blog-gage__caption {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 0.5rem;
  text-align: center;
}

/* Gage charts: the plot box reserves its space before blog_embed.js mounts. */
.blog-gage {
  margin-left: 0;
  margin-right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--blog-radius);
  padding: 0.75rem;
}
.blog-gage__plot {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 180px;
  background: var(--teal-wash);
  border-radius: 4px;
}
.blog-gage__plot canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
.blog-gage__summary { font-size: 0.9rem; color: var(--muted); margin-top: 0.4rem; }
.blog-gage__noscript { font-size: 0.9rem; }
/* Fallback link for no-JS readers; a plain <p> (not <noscript>, see render.py). */
@media (scripting: enabled) { .blog-gage__noscript { display: none; } }
.blog-gage-card,
.blog-gage-missing {
  border: 1px dashed var(--border);
  border-radius: var(--blog-radius);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

/* CTAs */
.blog-cta { text-align: center; margin: 2em 0; }
.blog-cta__button {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  background: var(--brand-dark);
  color: #fff;
  font-weight: 600;
  text-decoration: none !important;
}
.blog-cta__button:hover { background: var(--teal-dark); color: #fff; }
.blog-cta--track .blog-cta__button { background: var(--accent-green); }

/* ── Post footer + neighbours ───────────────────────────── */

.blog-post__footer { margin-top: 2.5rem; display: grid; gap: 1.5rem; }

.blog-adjacent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.blog-adjacent__link { display: flex; flex-direction: column; gap: 0.2rem; }
.blog-adjacent__link--next { grid-column: 2; text-align: right; }
.blog-adjacent__label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

@media (max-width: 640px) {
  .blog { padding: 1.25rem 1rem 2rem; }
  .blog-hero__title { font-size: 1.6rem; }
  .blog-prose { font-size: 1.05rem; }
  .blog-author { flex-direction: column; }
  .blog-adjacent { grid-template-columns: 1fr; }
  .blog-adjacent__link--next { grid-column: auto; text-align: left; }
}

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

@media print {
  .site-nav,
  .site-footer,
  .consent-banner,
  .consent-reopen,
  .blog-toc,
  .blog-adjacent,
  .blog-pager,
  .blog-post__footer,
  .blog-preview-banner,
  .blog-cta { display: none !important; }
  .blog { padding: 0; }
  .blog-post { max-width: none; }
  .blog-prose { font-size: 11pt; line-height: 1.5; color: #000; }
  .blog-post__hero,
  .blog-figure--wide,
  .blog-figure--full { width: 100%; margin-left: 0; transform: none; }
  .blog-figure,
  .blog-gage,
  .blog-prose pre { break-inside: avoid; }
  .blog-gage__plot { aspect-ratio: auto; min-height: 0; background: none; }
  /* Spell out external link targets on paper. */
  .blog-prose a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: #444; }
}

/* ── Gages in this post + related posts ─────────────────── */

.blog-gages, .blog-related { margin-top: 2.5rem; }
.blog-section-title { font-size: 1.15rem; margin: 0 0 0.75rem; }
.blog-gages__list, .blog-related__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.blog-gages__list { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.blog-gages__item, .blog-related__item {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: 8px;
}
.blog-gages__name, .blog-related__title { font-weight: 600; }
.blog-gages__meta { font-size: 0.85rem; color: var(--muted); }
.blog-gages__links { display: flex; flex-wrap: wrap; gap: 0.75rem; font-size: 0.9rem; }
.blog-related__excerpt { margin: 0; font-size: 0.92rem; color: var(--muted); }

/* ── Share, newsletter CTA, reading sentinels (Analytics pack) ─ */

.blog-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.blog-share, .blog-newsletter { margin-top: 2rem; }
.blog-share__title, .blog-newsletter__title { font-size: 1.05rem; margin: 0 0 0.6rem; }
.blog-share__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.blog-share__link {
  display: inline-block; padding: 0.4rem 0.85rem; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text); font: inherit; font-size: 0.9rem; line-height: 1.3;
  text-decoration: none; cursor: pointer;
}
.blog-share__link:hover, .blog-share__link:focus-visible { border-color: var(--brand-dark); color: var(--brand-dark); }
.blog-share__link[hidden], .blog-share__list li:has(> [hidden]) { display: none; }
.blog-share__status { min-height: 1.2em; margin: 0.4rem 0 0; font-size: 0.85rem; color: var(--muted); }
.blog-newsletter {
  padding: 1.1rem 1.25rem; border: 1px solid var(--border); border-radius: var(--blog-radius);
  background: var(--teal-wash);
}
.blog-newsletter__text { margin: 0 0 0.75rem; }
.blog-newsletter__form { margin: 0; }
.blog-newsletter__button {
  display: inline-block; padding: 0.55rem 1.2rem; border: 0; border-radius: 6px;
  background: var(--brand-dark); color: #fff; font: inherit; font-weight: 600;
  text-decoration: none !important; cursor: pointer;
}
.blog-newsletter__button:hover { background: var(--teal-dark); color: #fff; }
.blog-newsletter__button--quiet { background: transparent; color: var(--brand-dark); border: 1px solid var(--border); }
.blog-newsletter__button--quiet:hover { background: var(--surface); color: var(--brand-dark); }
/* blog.ts drops invisible scroll-depth markers into the post body. */
.blog-prose--tracked { position: relative; }
.blog-sentinel { position: absolute; left: 0; width: 1px; height: 1px; pointer-events: none; visibility: hidden; }
.blog-gage__error { position: absolute; inset: 0; display: grid; place-items: center; padding: 1rem; color: var(--muted); font-size: 0.9rem; text-align: center; }
@media print { .blog-share, .blog-newsletter { display: none !important; } }