/* Articles (posts, projects, pages) and every block the editor can produce. */
@layer sections {
  .article {
    display: grid;
    gap: var(--space-6);
  }
  .article__header {
    display: grid;
    gap: var(--space-3);
    padding-block-start: calc(var(--space-6) + 0.9rem);
  }
  .article__header--plain {
    padding: 0;
  }
  .article__title {
    font-size: clamp(2.2rem, 7vw, 3.4rem);
    line-height: 1.1;
  }
  .article__lede {
    font-size: 1.15rem;
    font-weight: 700;
  }
  .article__meta,
  .muted {
    font-family: var(--font-mono);
    font-size: 0.85rem;
  }
  .article__facts {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-8);
  }
  .article__facts dt {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
  }
  .article__facts dd {
    font-weight: 700;
  }
  .article__body,
  .article__section {
    padding: clamp(var(--space-4), 4vw, var(--space-8));
    background: var(--paper);
    color: var(--ink);
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .article--landing .article__body {
    padding: 0;
    background: none;
    border: none;
  }
  .article__section {
    display: grid;
    gap: var(--space-3);
  }
  .breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.85rem;
  }
  .breadcrumb li + li::before {
    content: '/';
    margin-inline-end: var(--space-2);
  }
  .tldr {
    display: grid;
    gap: var(--space-2);
  }
  .tldr__title {
    font-size: 1.3rem;
  }
  .toc {
    padding: var(--space-4) var(--space-6);
    background: var(--paper);
    color: var(--ink);
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .toc__title {
    font-weight: 900;
    cursor: pointer;
  }
  .toc__list {
    display: grid;
    gap: var(--space-1);
    margin-block-start: var(--space-3);
  }
  .toc__item--3 {
    padding-inline-start: var(--space-4);
  }
  .link-list {
    display: grid;
    gap: var(--space-2);
    padding-inline-start: 1.25rem;
  }
  .post-nav {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  }
  .post-nav__link {
    display: grid;
    gap: var(--space-1);
    font-weight: 900;
    text-decoration: none;
  }
  .post-nav__link--next {
    text-align: end;
  }
  .cta {
    display: grid;
    gap: var(--space-3);
  }
  .cta__title {
    font-size: 1.8rem;
  }
  .filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .filter-chips .pill[aria-pressed='true'] {
    background: var(--green);
    color: var(--on-green);
  }
  .project-card__cover {
    inline-size: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  /* The whole card is clickable through its title link. */
  .stretched-link::after {
    content: '';
    position: absolute;
    inset: 0;
  }
  .preview-banner {
    padding: var(--space-2) var(--gutter);
    background: var(--red);
    color: var(--on-red);
    border-block-end: var(--border) solid #000000;
    font-weight: 900;
    text-align: center;
  }

  /* ── Rich text ─────────────────────────────────────────── */
  .prose {
    font-size: 1.05rem;
    line-height: 1.75;
  }
  .prose > * + * {
    margin-block-start: var(--space-4);
  }
  .prose :is(h2, h3, h4) {
    margin-block-start: var(--space-8);
    scroll-margin-block-start: var(--nav-offset);
  }
  .prose h2 {
    font-size: clamp(1.6rem, 4vw, 2.1rem);
  }
  .prose h3 {
    font-size: 1.45rem;
  }
  .prose h4 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 900;
  }
  .heading-anchor {
    margin-inline-start: 0.35em;
    font-family: var(--font-mono);
    font-size: 0.7em;
    text-decoration: none;
    opacity: 0;
  }
  :is(h2, h3, h4):is(:hover, :focus-within) > .heading-anchor {
    opacity: 1;
  }
  .prose a {
    font-weight: 700;
    text-decoration-thickness: 2px;
  }
  .prose :not(pre) > code {
    padding: 0.1em 0.35em;
    background: color-mix(in srgb, var(--yellow) 45%, var(--paper));
    color: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
  }
  .prose mark {
    padding: 0 0.15em;
    border-radius: 3px;
  }
  .prose .align-center {
    text-align: center;
  }
  .prose .align-right {
    text-align: end;
  }
  .hl-pink {
    background: var(--pink);
    color: var(--on-pink);
  }
  .hl-purple {
    background: var(--purple);
    color: var(--on-purple);
  }
  .hl-blue {
    background: var(--blue);
    color: var(--on-blue);
  }
  .hl-red {
    background: var(--red);
    color: var(--on-red);
  }
  .hl-yellow {
    background: var(--yellow);
    color: var(--on-yellow);
  }
  .hl-green {
    background: var(--green);
    color: var(--on-green);
  }
  .tc-pink {
    color: color-mix(in srgb, var(--pink) 55%, var(--ink));
  }
  .tc-purple {
    color: color-mix(in srgb, var(--purple) 55%, var(--ink));
  }
  .tc-blue {
    color: color-mix(in srgb, var(--blue) 55%, var(--ink));
  }
  .tc-red {
    color: color-mix(in srgb, var(--red) 55%, var(--ink));
  }
  .tc-yellow {
    color: color-mix(in srgb, var(--yellow) 40%, var(--ink));
  }
  .tc-green {
    color: color-mix(in srgb, var(--green) 50%, var(--ink));
  }

  /* ── Blocks ────────────────────────────────────────────── */
  .quote {
    padding: var(--space-4) var(--space-6);
    border-inline-start: 6px solid var(--ink);
    background: color-mix(in srgb, var(--purple) 18%, var(--paper));
    font-size: 1.15rem;
    font-style: italic;
  }
  .quote cite {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-style: normal;
  }
  .callout {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border: var(--border) solid #000000;
    border-radius: var(--radius-button);
    box-shadow: 4px 4px 0 #000000;
  }
  .callout__emoji {
    font-size: 1.4rem;
  }
  .checklist li {
    list-style: none;
  }
  .code-block {
    overflow: hidden;
    background: #0d0d0d;
    color: #f5f5f5;
    border: var(--border-lg) solid #000000;
    border-radius: var(--radius-button);
    box-shadow: var(--shadow-sm);
  }
  .code-block__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-1) var(--space-3);
    background: #262626;
    font-family: var(--font-mono);
    font-size: 0.8rem;
  }
  .code-block__copy {
    min-block-size: 32px;
    padding: 0 var(--space-3);
    background: var(--yellow);
    color: #000000;
    border: 2px solid #000000;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
  }
  .code-block pre {
    margin: 0;
    padding: var(--space-4) 0;
    overflow-x: auto;
    font-size: 0.88rem;
    line-height: 1.6;
  }
  .code-line {
    display: block;
    padding-inline: var(--space-4);
  }
  .code-line--marked {
    background: rgb(252 211 77 / 0.18);
    box-shadow: inset 4px 0 0 var(--yellow);
  }
  .code-block--numbered code {
    counter-reset: line;
  }
  .code-block--numbered .code-line::before {
    counter-increment: line;
    content: counter(line);
    display: inline-block;
    inline-size: 2.5em;
    margin-inline-end: var(--space-3);
    color: #737373;
    text-align: end;
    user-select: none;
  }
  /* highlight.js tokens (a small palette that reads on the black background) */
  .hljs-comment,
  .hljs-quote {
    color: #8b949e;
    font-style: italic;
  }
  .hljs-keyword,
  .hljs-selector-tag,
  .hljs-built_in {
    color: #ff9fac;
  }
  .hljs-string,
  .hljs-attr,
  .hljs-template-tag {
    color: #4ade80;
  }
  .hljs-number,
  .hljs-literal,
  .hljs-symbol {
    color: #fcd34d;
  }
  .hljs-title,
  .hljs-section,
  .hljs-function {
    color: #60a5fa;
  }
  .hljs-type,
  .hljs-class,
  .hljs-variable {
    color: #a78bfa;
  }
  .hljs-meta,
  .hljs-tag,
  .hljs-name {
    color: #22d3ee;
  }

  .table-scroll {
    overflow-x: auto;
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .table-scroll table {
    inline-size: 100%;
    border-collapse: collapse;
  }
  .table-scroll :is(th, td) {
    padding: var(--space-2) var(--space-3);
    border-block-end: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
    text-align: start;
  }
  .table-scroll th {
    background: var(--yellow);
    color: var(--on-yellow);
  }
  .table-scroll .align-center {
    text-align: center;
  }
  .table-scroll .align-right {
    text-align: end;
  }

  .figure img,
  .figure video {
    inline-size: 100%;
    block-size: auto;
    border-radius: var(--radius-button);
  }
  .figure--neo img,
  .figure--neo video {
    border: var(--border-lg) solid var(--ink);
    box-shadow: var(--shadow-sm);
  }
  .figure figcaption,
  .gallery figcaption {
    margin-block-start: var(--space-2);
    font-size: 0.9rem;
    text-align: center;
  }
  @media (min-width: 64rem) {
    .figure--wide {
      margin-inline: -6rem;
    }
    .figure--full {
      margin-inline: calc(50% - 50vw + var(--gutter));
    }
  }
  .gallery__list {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 12rem), 1fr));
    padding: 0;
  }
  /* Grid tiles share one square crop; masonry keeps each image's own shape. */
  .gallery--grid img {
    aspect-ratio: 1;
    object-fit: cover;
  }
  .gallery--masonry .gallery__list {
    display: block;
    columns: 3 12rem;
  }
  .gallery--masonry .gallery__item {
    break-inside: avoid;
    margin-block-end: var(--space-3);
  }
  .gallery--slider .gallery__list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(85%, 36rem);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }
  .gallery--slider .gallery__item {
    scroll-snap-align: start;
  }
  .gallery img {
    inline-size: 100%;
    block-size: auto;
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .audio-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-4);
    padding: var(--space-4);
    background: color-mix(in srgb, var(--green) 25%, var(--paper));
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .audio-card__cover {
    inline-size: 96px;
    block-size: 96px;
    object-fit: cover;
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .audio-card__body {
    display: grid;
    gap: var(--space-2);
  }
  .audio-card__title {
    font-weight: 900;
  }
  .audio-card audio {
    inline-size: 100%;
  }
  .audio-card .transcript {
    grid-column: 1 / -1;
  }
  .transcript summary,
  .toggle summary,
  .faq__question {
    font-weight: 900;
    cursor: pointer;
  }
  .transcript__text,
  .toggle__body,
  .faq__answer {
    margin-block-start: var(--space-2);
  }
  .toggle,
  .faq__item {
    padding: var(--space-3) var(--space-4);
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .faq {
    display: grid;
    gap: var(--space-2);
  }
  .embed {
    position: relative;
    display: grid;
    place-items: center;
    gap: var(--space-2);
    aspect-ratio: 16 / 9;
    overflow: hidden;
    padding: var(--space-4);
    background: #111111;
    color: #ffffff;
    border: var(--border-lg) solid #000000;
    border-radius: var(--radius-button);
    text-align: center;
  }
  .embed--x,
  .embed--codepen,
  .embed--codesandbox,
  .embed--gist {
    aspect-ratio: 4 / 3;
  }
  .embed--spotify,
  .embed--soundcloud {
    aspect-ratio: 16 / 7;
  }
  .embed__thumb {
    position: absolute;
    inset: 0;
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    opacity: 0.55;
  }
  .embed__play,
  .embed__link,
  .embed__note {
    position: relative;
  }
  .embed__play {
    min-block-size: 48px;
    padding: 0 var(--space-6);
    background: var(--red);
    color: var(--on-red);
    border: var(--border) solid #000000;
    border-radius: var(--radius-pill);
    font-weight: 900;
    cursor: pointer;
  }
  .embed__link {
    color: #ffffff;
    font-weight: 700;
  }
  .embed__note {
    font-size: 0.8rem;
  }
  .embed--loaded {
    padding: 0;
  }
  .embed__frame {
    inline-size: 100%;
    block-size: 100%;
    border: 0;
  }
  .file-card__link,
  .bookmark__link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--ink);
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
    box-shadow: 3px 3px 0 var(--ink);
    text-decoration: none;
  }
  .file-card__type {
    display: grid;
    place-items: center;
    min-inline-size: 3rem;
    min-block-size: 3rem;
    background: var(--yellow);
    color: #000000;
    border: 2px solid #000000;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 900;
  }
  .file-card__name,
  .bookmark__title {
    flex: 1;
    font-weight: 900;
  }
  .file-card__size,
  .bookmark__site {
    font-family: var(--font-mono);
    font-size: 0.8rem;
  }
  .bookmark__text {
    display: grid;
    flex: 1;
    gap: var(--space-1);
  }
  .bookmark__desc {
    font-size: 0.9rem;
  }
  .bookmark__image {
    inline-size: 8rem;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 6px;
  }
  .button-block.align-center {
    text-align: center;
  }
  .button-block.align-right {
    text-align: end;
  }
  .media-text {
    display: grid;
    gap: var(--space-4);
    align-items: center;
  }
  @media (min-width: 48rem) {
    .media-text {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
    .media-text--right .media-text__media {
      order: 2;
    }
  }
  .media-text__media img {
    inline-size: 100%;
    block-size: auto;
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .math-block {
    overflow-x: auto;
    font-size: 1.2rem;
    text-align: center;
  }
  .divider {
    block-size: 0;
    margin-block: var(--space-8);
    border: 0;
    border-block-start: var(--border-lg) solid var(--ink);
  }
  .divider--dots {
    border-block-start-style: dotted;
    border-block-start-width: 6px;
    inline-size: 30%;
    margin-inline: auto;
  }
  .divider--zigzag {
    block-size: 12px;
    border: 0;
    background:
      linear-gradient(135deg, var(--ink) 25%, transparent 25%) -6px 0 / 12px 12px,
      linear-gradient(225deg, var(--ink) 25%, transparent 25%) -6px 0 / 12px 12px;
  }
  .lightbox {
    max-inline-size: min(96vw, 80rem);
    padding: var(--space-2);
    background: var(--paper);
    border: var(--border-lg) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .lightbox::backdrop {
    background: rgb(0 0 0 / 0.8);
  }
  .lightbox img {
    max-block-size: 85vh;
    inline-size: auto;
    margin-inline: auto;
  }
  .lightbox__close {
    display: block;
    margin-inline-start: auto;
    min-block-size: 40px;
    padding: 0 var(--space-4);
    background: var(--yellow);
    border: var(--border) solid #000000;
    border-radius: var(--radius-pill);
    font-weight: 900;
    cursor: pointer;
  }

  /* ── Blog index, archives and search ───────────────────── */
  .blog__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }
  .blog__header .search-form {
    flex: 0 1 26rem;
  }
  .blog__lede {
    max-inline-size: 60ch;
    font-size: 1.1rem;
  }
  .post-card--featured {
    position: relative;
  }
  @media (min-width: 60rem) {
    .post-card--featured {
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
      align-items: center;
      gap: var(--space-8);
    }
    .post-card--featured .post-card__title {
      font-size: 2.2rem;
    }
  }
  .post-card__body {
    display: grid;
    gap: var(--space-3);
  }
  .post-card__snippet mark {
    padding: 0 0.15em;
    background: var(--yellow);
    color: var(--on-yellow);
  }
  .pagination .pill-row {
    justify-content: center;
    align-items: center;
  }
  .card-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  }

  /* ── Post page: sticky table of contents on wide screens ── */
  .post-body,
  .post-body__main {
    display: grid;
    gap: var(--space-6);
  }
  @media (min-width: 72rem) {
    .article--with-toc {
      inline-size: min(100% - 2 * var(--gutter), 74rem);
    }
    .article--with-toc .post-body {
      grid-template-columns: minmax(0, 1fr) 16rem;
      align-items: start;
    }
    .article--with-toc .post-body .toc {
      order: 2;
      position: sticky;
      inset-block-start: calc(var(--nav-offset) + var(--space-4));
      max-block-size: calc(100dvh - var(--nav-offset) - var(--space-8));
      overflow: auto;
    }
  }
  .article__tags a.tag {
    display: inline-block;
    color: inherit;
    text-decoration: none;
  }
  .article__tags a.tag:hover {
    background: var(--yellow);
    color: var(--on-yellow);
  }

  /* ── Like and share ─────────────────────────────────────── */
  .post-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }
  .like-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }
  .like-btn[aria-pressed='true'] {
    background: var(--pink);
    color: var(--on-pink);
  }
  .like-btn[aria-pressed='true'] svg {
    fill: currentColor;
  }
  .like-btn__count {
    font-family: var(--font-mono);
  }
  .share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }
  .share__label {
    font-weight: 900;
  }
  .share__list .pill {
    min-block-size: 40px;
    padding-inline: var(--space-3);
  }

  /* ── Author, newsletter, related posts ──────────────────── */
  .author-box {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
  .author-box__avatar {
    flex: none;
    inline-size: 4.5rem;
    block-size: 4.5rem;
    border: var(--border) solid var(--ink);
    border-radius: 50%;
    object-fit: cover;
  }
  .author-box__name {
    font-size: 1.2rem;
    font-weight: 900;
  }
  .author-box__role {
    font-family: var(--font-mono);
    font-size: 0.85rem;
  }
  .newsletter--compact .newsletter__title {
    font-size: 1.6rem;
  }
  @media (min-width: 60rem) {
    .newsletter--compact {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  .related {
    display: grid;
    gap: var(--space-4);
  }
  .related__title {
    font-size: 1.6rem;
  }
  .related .post-card__title {
    font-size: 1.2rem;
  }

  /* ── Comments ───────────────────────────────────────────── */
  .comments h2 {
    font-size: 1.6rem;
  }
  .comment-list {
    display: grid;
    gap: var(--space-4);
    padding: 0;
  }
  .comment-list--replies {
    margin-block-start: var(--space-3);
    padding-inline-start: clamp(var(--space-4), 4vw, var(--space-8));
    border-inline-start: var(--border) solid var(--ink);
  }
  .comment {
    scroll-margin-block-start: var(--nav-offset);
  }
  .comment__card {
    display: grid;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--paper);
    border: var(--border) solid var(--ink);
    border-radius: var(--radius-button);
  }
  .comment__card--owner {
    box-shadow: 4px 4px 0 var(--yellow);
  }
  .comment__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
  }
  .comment__meta time {
    font-family: var(--font-mono);
    font-size: 0.8rem;
  }
  .comment__body {
    display: grid;
    gap: var(--space-2);
    overflow-wrap: anywhere;
  }
  .comment__actions {
    margin-block-start: var(--space-2);
    font-weight: 700;
  }
  .comment-form {
    margin-block-start: var(--space-4);
    padding-block-start: var(--space-4);
    border-block-start: var(--border) dashed var(--ink);
    scroll-margin-block-start: var(--nav-offset);
  }
  .comment-form__title {
    font-size: 1.3rem;
  }
  .notice-line {
    font-weight: 700;
  }

  /* ── Newsletter links and form results ──────────────────── */
  .newsletter-page,
  .form-result {
    display: grid;
    gap: var(--space-4);
  }
}