/* post.css — article head/body, sticky numbered TOC, prose, music embeds, tags-row */

/* Shared rail layout: 180px meta/TOC column, prose column constrained to 64ch */
.article-head,
.article-body,
.cover {
  --rail-width: 180px;
  --rail-gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
  box-sizing: border-box;
}

/* ── Article head ─────────────────────────────────────────────────────── */

.article-head {
  padding-top: 3rem;
  padding-bottom: 1rem;
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 64ch);
  gap: var(--rail-gap);
  width:100%;
}

.article-head .meta-stack {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  font-size: 0.82rem;
}

.article-head .meta-stack > div {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.article-head .meta-stack > div:first-child {
  padding-top: 0;
  border: 0;
}

.article-head .label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}

.article-head .article-head-text {
  min-width: 0;
}

.article-head h1 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.article-head h1 em {
  font-style: italic;
  color: var(--color-muted);
  font-weight: 400;
}

.article-head .standfirst {
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--color-muted);
  margin: 0;
}

/* ── Cover ────────────────────────────────────────────────────────────── */

.cover {
  margin-top: 2rem;
  margin-bottom: 2rem;
  display: block;
  width:100%;
}

.cover-inner {
  display: block;
  width: 100%;
  aspect-ratio: 21 / 9;
  min-height: 200px;
  background-color: var(--color-bg-2);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 4px;
  overflow: hidden;
}

.cover-inner.cover-empty {
  background-image: linear-gradient(135deg, var(--color-bg-2), var(--color-border));
}

/* ── Article body (sticky TOC + prose) ────────────────────────────────── */

.article-body {
  padding-top: 2rem;
  padding-bottom: 1rem;
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 64ch);
  grid-template-areas: "toc prose";
  gap: var(--rail-gap);
  width:100%;
}

.article-body .toc {
  grid-area: toc;
  position: sticky;
  top: 2rem;
  align-self: start;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.article-body .prose {
  grid-area: prose;
}

.article-body .toc .label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.8rem;
  display: block;
}

.article-body .toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: t;
}

.article-body .toc li {
  counter-increment: t;
  padding: 0.4rem 0;
  border-top: 1px dotted var(--color-border);
}

.article-body .toc li:first-child {
  border-top: 0;
}

.article-body .toc li a {
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  line-height: 1.35;
}

.article-body .toc li a::before {
  content: counter(t, decimal-leading-zero);
  color: var(--color-muted);
  font-size: 0.72rem;
  font-feature-settings: "tnum";
  flex-shrink: 0;
}

.article-body .toc li a:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* ── Prose ─────────────────────────────────────────────────────────────── */

.prose {
  min-width: 0;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 2rem 0 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.prose h2 em {
  font-style: italic;
  color: var(--color-muted);
  font-weight: 400;
}

.prose h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 2rem 0 0.8rem;
  color: var(--color-text);
}

.prose p {
  margin: 1.2rem 0 1.2rem 0;
  color: var(--color-text);
  text-align: justify;
}

.prose em {
  font-style: italic;
  color: var(--color-text);
}

.prose strong {
  font-weight: 700;
  color: var(--color-text);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.prose a:hover {
  text-decoration-thickness: 2px;
  opacity: 1;
}

.prose blockquote {
  border-left: 2px solid var(--color-accent);
  padding: 0.2rem 0 0.2rem 1.4rem;
  margin: 2rem 0;
  color: var(--color-text);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.55;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

.prose ul,
.prose ol {
  margin: 0 0 1.2rem;
  padding-left: 1.5em;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 3px;
  margin: 1.5rem 0;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-bg);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

.prose pre {
  background: var(--color-code-bg);
  padding: 1em;
  overflow-x: auto;
  border-radius: 4px;
  line-height: 1.5;
  margin: 1.5rem 0;
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

/* ── Music embeds (kept verbatim from old post.css) ──────────────────── */

.prose .music-player-group {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prose .music-embed--bandcamp {
  width: 100%;
}

.prose .music-embed--bandcamp iframe {
  display: block;
  width: 100%;
  border: 0;
}

.prose .music-embed--spotify {
  display: block;
  border-radius: 12px;
}

.prose .music-embed--youtube {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.prose .music-embed--youtube iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.prose .music-fallback {
  margin: 0;
  padding: 0.8em 1em;
  background: var(--color-code-bg);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

/* ── Tables ───────────────────────────────────────────────────────────── */

.prose table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5em 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.prose th,
.prose td {
  border: 1px solid var(--color-border);
  padding: 0.5em 0.8em;
  text-align: left;
}

.prose th {
  background: var(--color-code-bg);
  font-weight: 600;
}

.prose tr:nth-child(even) td {
  background: var(--color-code-bg);
}

/* ── Tags row at the foot of the article ─────────────────────────────── */

.tags-row {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tags-row .tag {
  font-size: 0.82rem;
  color: var(--color-muted);
  background: var(--color-bg-2);
  padding: 0.35rem 0.8rem;
  border-radius: 3px;
  text-decoration: none;
}

.tags-row .tag:hover {
  color: var(--color-text);
  background: var(--color-border);
  opacity: 1;
}

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .article-head,
  .article-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.4rem;
  }
  .article-body {
    grid-template-areas: "toc" "prose";
  }
  .article-body .toc {
    position: static;
  }
}

@media (max-width: 600px) {
  .article-head,
  .article-body,
  .cover {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .article-head {
    padding-top: 1.6rem;
    padding-bottom: 0.5rem;
    gap: 1rem;
  }

  /* Meta-stack as a horizontal row of label-above-value cells. Tight
     gap + padding + small label font keeps all three cells on a single
     row at the 330px minimum viewport (enforced by `html { min-width }`
     in base.css). flex-wrap: nowrap keeps them inline even if a longer
     author name pushes the row close to the edge — the page itself
     becomes horizontally scrollable below 330px instead of the meta
     items wrapping. */
  .article-head .meta-stack {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0 0.7rem;
    font-size: 0.72rem;
  }
  .article-head .meta-stack > div {
    padding-top: 0;
    border-top: 0;
  }
  .article-head .meta-stack > div:not(:first-child) {
    border-left: 1px solid var(--color-border);
    padding-left: 0.7rem;
  }
  .article-head .label {
    font-size: 0.58rem;
    margin-bottom: 0.15rem;
  }

  .article-head h1 {
    font-size: clamp(1.5rem, 6vw, 1.9rem);
    margin-bottom: 0.7rem;
  }
  .article-head .standfirst {
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .cover {
    margin-top: 1.2rem;
    margin-bottom: 1.4rem;
  }
  .cover-inner {
    aspect-ratio: 16 / 9;
    min-height: 0;
    border-radius: 3px;
  }

  .article-body {
    padding-top: 1rem;
    gap: 1rem;
  }
  .article-body .toc {
    font-size: 0.78rem;
  }

  .prose h2 {
    font-size: 1.3rem;
    margin: 1.4rem 0 0.7rem;
    padding-top: 0.7rem;
  }
  .prose h3 {
    font-size: 1.05rem;
    margin: 1.4rem 0 0.5rem;
  }
  .prose blockquote {
    margin: 1.4rem 0;
    padding-left: 1rem;
    font-size: 1rem;
  }
  .prose pre {
    padding: 0.8em;
    font-size: 0.82rem;
  }

  .prose table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tags-row {
    margin-top: 2.5rem;
    gap: 0.4rem;
  }
  .tags-row .tag {
    font-size: 0.76rem;
    padding: 0.3rem 0.65rem;
  }
}