/* ==========================================================================
   article — Figma "Yazı — 1440": centred reading column, quiet chrome
   ========================================================================== */

@layer pages {
  /* ---- Reading progress: a thin ink line on a hairline track ------------ */
  .read-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: calc(var(--z-header) + 1);
    height: 2px;
    background: var(--line);
    pointer-events: none;
  }
  .read-progress i { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }
  @supports (animation-timeline: scroll()) {
    .read-progress i { animation: read-progress linear both; animation-timeline: scroll(root block); }
  }
  @keyframes read-progress { to { transform: scaleX(1); } }

  /* ---- Header ------------------------------------------------------------ */
  .article-hero { display: grid; gap: var(--s-6); padding-top: var(--s-5); padding-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
  .article-hero__main { display: grid; gap: var(--s-5); justify-items: start; }
  .article-hero__cat { min-height: 2.25rem; padding-inline: 0.95rem; }
  .article-hero__title { max-width: 20ch; font-size: var(--fs-2xl); font-weight: var(--w-light); line-height: 1.04; letter-spacing: var(--track-head); }
  .article-hero__excerpt { max-width: 46ch; font-size: var(--fs-read); line-height: 1.6; color: var(--ink-2); }
  .byline { display: flex; align-items: center; gap: var(--s-3); margin-top: var(--s-2); }
  .byline__text { display: grid; gap: 0.1rem; font-size: var(--fs-sm); line-height: 1.35; color: var(--ink); }
  .byline__text a { font-weight: var(--w-medium); text-decoration: none; }
  .byline__text a:hover { text-decoration: underline; }
  .byline__meta { font-size: var(--fs-xs); color: var(--mute); }
  .avatar {
    display: inline-grid;
    place-items: center;
    flex: none;
    width: var(--target);
    height: var(--target);
    border-radius: 50%;
    background: var(--inverse);
    color: var(--on-inverse);
    font-size: var(--fs-xs);
    font-weight: var(--w-medium);
    letter-spacing: 0;
  }
  .avatar--lg { width: 4rem; height: 4rem; font-size: var(--fs-label); }
  @media (min-width: 64em) {
    .article-hero { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
    .article-hero > .crumbs, .article-hero__main { grid-column: 3 / span 8; }
  }

  .article-cover { margin: 0 0 clamp(2.5rem, 1.5rem + 4vw, 6rem); }
  .article-cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-lg); background: var(--sunken); }
  @media (min-width: 64em) {
    .article-cover { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
    .article-cover img { grid-column: 3 / span 8; }
  }

  /* ---- Layout: contents · reading column · share ------------------------ */
  .article-layout { display: grid; gap: var(--s-6); }
  .article-aside, .article-share { display: grid; gap: var(--s-6); align-content: start; }

  .toc__details { border-radius: var(--radius); background: var(--surface); }
  .toc__summary { display: flex; align-items: center; justify-content: space-between; min-height: var(--target); padding: 0 var(--s-5); cursor: pointer; list-style: none; font-size: var(--fs-sm); font-weight: var(--w-medium); }
  .toc__summary::-webkit-details-marker { display: none; }
  .toc__summary .icon { width: 18px; height: 18px; transition: transform var(--d-ui) var(--ease-out); }
  .toc__details[open] .toc__summary .icon { transform: rotate(45deg); }
  .toc__list { margin: 0; padding: 0 var(--s-5) var(--s-4); display: grid; }
  .toc__list a {
    display: block;
    padding: var(--s-2) 0 var(--s-2) var(--s-4);
    font-size: var(--fs-sm);
    line-height: 1.4;
    text-decoration: none;
    color: var(--mute);
    box-shadow: inset 1px 0 0 var(--line-strong);
    transition: color var(--d-fast) ease, box-shadow var(--d-ui) var(--ease-out);
  }
  .toc__list a:hover { color: var(--ink); }
  .toc__list a.is-active { color: var(--ink); font-weight: var(--w-medium); box-shadow: inset 2px 0 0 var(--ink); }

  .share { display: grid; gap: var(--s-3); }
  .share__row { display: flex; flex-wrap: wrap; gap: var(--s-2); }
  .share__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45em;
    min-height: var(--target);
    padding: 0 1.05rem;
    border-radius: var(--radius-pill);
    background: var(--surface);
    box-shadow: inset 0 0 0 1px var(--line);
    font-size: var(--fs-sm);
    font-weight: var(--w-medium);
    text-decoration: none;
    color: var(--ink);
    transition: background-color var(--d-fast) ease, color var(--d-fast) ease, transform var(--d-press) var(--ease-out);
  }
  .share__btn .icon { width: 1em; height: 1em; }
  .share__btn:active { transform: scale(0.97); }
  .share__btn.is-done { background: var(--inverse); color: var(--on-inverse); box-shadow: none; }
  @media (hover: hover) and (pointer: fine) { .share__btn:hover { background: var(--sunken); } }

  /* ---- Body -------------------------------------------------------------- */
  .article-body { min-width: 0; }
  .article-lead { font-size: var(--fs-lg); line-height: 1.45; letter-spacing: -0.015em; color: var(--ink); }
  .article-body .prose > section { scroll-margin-top: calc(var(--header-h) + var(--s-5)); }
  .article-body .prose > section > h2:first-child { margin-top: 2em; padding-top: 1em; border-top: 1px solid var(--line); }
  .article-body .prose > section > * + * { margin-top: 1.1em; }
  .article-body .table-wrap, .article-body .callout { margin-block: 2em; }

  .sources { margin-top: var(--s-8); padding: var(--s-6); border-radius: var(--radius-lg); background: var(--surface); max-width: var(--measure); scroll-margin-top: calc(var(--header-h) + var(--s-5)); }
  .sources__title { font-size: var(--fs-sm); font-weight: var(--w-medium); letter-spacing: 0; margin-bottom: var(--s-4); }
  .sources__list { margin: 0; padding-left: 1.4em; display: grid; gap: var(--s-2); font-size: var(--fs-sm); color: var(--ink-2); }
  .sources__list a { overflow-wrap: anywhere; color: var(--ink); }
  .sources__checked { margin-top: var(--s-4); font-size: var(--fs-sm); color: var(--mute); }

  .article-tags { margin-top: var(--s-6); }

  .author-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--s-5);
    margin-top: var(--s-7);
    padding: var(--s-6);
    max-width: var(--measure);
    border-radius: var(--radius-lg);
    background: var(--surface);
  }
  .author-card__body { display: grid; gap: var(--s-2); }
  .author-card__name { font-size: var(--fs-read); font-weight: var(--w-medium); letter-spacing: var(--track-title); }
  .author-card__name a { text-decoration: none; }
  .author-card__name a:hover { text-decoration: underline; }
  .author-card__bio { color: var(--ink-2); font-size: var(--fs-label); max-width: 48ch; }
  .author-card__links { display: flex; flex-wrap: wrap; gap: 0 var(--s-5); }

  .article-foot { margin-top: var(--s-5); display: grid; gap: var(--s-2); max-width: var(--measure); font-size: var(--fs-sm); color: var(--mute); }
  .article-foot b { color: var(--ink-2); font-weight: var(--w-medium); }

  .article-nav { padding-top: var(--s-9); }

  @media (min-width: 64em) {
    .article-layout { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
    .article-aside { grid-column: 1 / span 2; position: sticky; top: calc(var(--header-h) + var(--s-5)); align-self: start; max-height: calc(100vh - var(--header-h) - var(--s-7)); overflow-y: auto; scrollbar-width: thin; }
    .article-body { grid-column: 3 / span 7; }
    .article-share { grid-column: 11 / -1; position: sticky; top: calc(var(--header-h) + var(--s-5)); align-self: start; }
    .article-share .share__row { flex-direction: column; align-items: stretch; }
    .toc__details { background: transparent; }
    .toc__summary { padding: 0; pointer-events: none; color: var(--mute); font-size: var(--fs-xs); }
    .toc__summary .icon { display: none; }
    .toc__list { padding: var(--s-3) 0 0; }
  }
  /* End mark: the K closes every article, like a magazine tombstone. */
  .article-end { display: flex; justify-content: center; margin-top: var(--s-7); color: var(--mute); }
  .article-end .mark { width: 1.25rem; height: 1.25rem; }
}

@media print {
  .read-progress, .article-aside, .article-share, .author-card__links { display: none !important; }

}