@layer modules {
  .page {
    max-width: var(--max-width-narrow);
    padding-block: var(--space-16) var(--space-24);
  }
  .page__back {
    margin-block-end: var(--space-6);
  }
  .lang-tag {
    display: inline-block;
    margin-inline-start: var(--space-1);
    padding: 0.1em 0.45em;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.7em;
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: var(--color-ink-subtle);
    vertical-align: 0.1em;
  }
  .lang-tag--on-dark {
    border-color: color-mix(in srgb, var(--color-ink) 25%, transparent);
    color: color-mix(in srgb, var(--color-ink) 70%, transparent);
  }
  .page__back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-ink-subtle);
    text-decoration: none;
    transition: color var(--duration-fast);
  }
  @media (hover: hover) and (pointer: fine) {
    .page__back-link:hover {
      color: var(--color-ink);
      text-decoration: underline;
    }
  }
  .page__header {
    margin-block-end: var(--space-10);
    padding-block-end: var(--space-6);
    border-block-end: 1px solid var(--color-border);
  }
  .page__title {
    font-size: var(--text-4xl);
    margin-block-end: var(--space-3);
  }
  .page__subtitle {
    font-size: var(--text-lg);
    color: var(--color-ink-subtle);
    margin: 0;
  }
  .page__content {
    font-size: var(--text-base);
    line-height: var(--line-height-relaxed);
    /* Muted body so pure-white links pop when scanning */
    color: var(--color-ink-subtle);
  }
  .page__content > * + * {
    margin-block-start: var(--space-4);
  }
  .page__content h2 {
    font-size: var(--text-2xl);
    margin-block-start: var(--space-12);
    margin-block-end: var(--space-3);
    padding-block-start: var(--space-4);
  }
  .page__content h3 {
    font-size: var(--text-xl);
    margin-block-start: var(--space-8);
    margin-block-end: var(--space-2);
  }
  .page__content h4 {
    font-size: var(--text-lg);
    margin-block-start: var(--space-6);
    margin-block-end: var(--space-2);
  }
  .page__content ul,
  .page__content ol {
    padding-inline-start: var(--space-6);
  }
  .page__content ul li + li,
  .page__content ol li + li {
    margin-block-start: var(--space-2);
  }
  .page__content pre {
    background-color: var(--color-canvas-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--line-height-normal);
  }
  .page__content pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
  }
  .page__content table {
    width: 100%;
    border-collapse: collapse;
    margin-block: var(--space-6);
    font-size: var(--text-sm);
    display: block;
    overflow-x: auto;
  }
  .page__content table th,
  .page__content table td {
    text-align: left;
    padding: var(--space-2) var(--space-3);
    border-block-end: 1px solid var(--color-border);
    vertical-align: top;
  }
  .page__content table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-ink);
    background-color: var(--color-canvas-alt);
  }
  .page__content table td {
    color: var(--color-ink-subtle);
  }
  .page__content table td code {
    color: var(--color-ink);
  }
  .page__content blockquote {
    border-inline-start: 3px solid var(--color-border-emphasis);
    padding-inline-start: var(--space-4);
    color: var(--color-ink-subtle);
    font-style: italic;
  }
  .page__content hr {
    border: 0;
    border-block-start: 1px solid var(--color-border);
    margin-block: var(--space-12);
  }
  /* Prose links: white label; thin underline only (spectrum on hover) */
  .page__content a {
    color: var(--color-link);
    font-weight: var(--font-weight-medium);
    /* Kill native underline so we don't stack two strokes */
    text-decoration: none;
    text-decoration-thickness: 0;
    background-image: linear-gradient(
      var(--color-link-decoration),
      var(--color-link-decoration)
    );
    background-position: 0 100%;
    background-repeat: no-repeat;
    /* Same hairline default + hover — never fatten on spectrum */
    background-size: 100% var(--link-underline-thickness);
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
    transition:
      color var(--duration-fast) var(--ease-out),
      background-image var(--duration-fast) var(--ease-out);
  }
  @media (hover: hover) and (pointer: fine) {
    .page__content a:hover {
      color: var(--color-link-hover);
      background-image: var(--color-emphasis-gradient);
      background-size: 200% var(--link-underline-thickness);
      background-position: 0% 100%;
      background-position-y: 100%;
      animation: emphasis-drift var(--emphasis-drift-duration) var(--ease-in-out) infinite alternate;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .page__content a:hover {
      animation: none;
    }
  }
  /* Keep strong/lead-in terms inside muted paragraphs readable */
  .page__content strong,
  .page__content b {
    color: var(--color-ink);
    font-weight: var(--font-weight-semibold);
  }
}