/* =========================================================
   유가지도 — Article (글 상세) page styles
   Reuses tokens.css + components.css + blog.css
   ========================================================= */

/* reading progress */
.read-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--accent); z-index: 60; transition: width .08s linear; }

.article-wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px 90px; min-width: 0; }
.article-wrap *, .blog-shell * { min-width: 0; }

/* hero */
.art-hero { padding: 26px 0 22px; border-bottom: 1px solid var(--border); }
.art-hero .chip-cat { margin-bottom: 14px; }
.art-hero h1 { font-size: clamp(28px, 4.6vw, 42px); line-height: 1.18; letter-spacing: -.022em; font-weight: 800; margin: 0 0 16px; max-width: 20ch; overflow-wrap: anywhere; white-space: normal; }
.art-hero .dek { font-size: 18px; color: var(--ink-2); line-height: 1.6; max-width: 60ch; margin: 0 0 18px; overflow-wrap: anywhere; }
.art-byline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.art-byline .av { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-tint); display: grid; place-items: center; font-size: 18px; flex: none; }
.art-byline .who { font-size: var(--fs-sm); font-weight: 700; }
.art-byline .meta { font-size: var(--fs-caption); color: var(--ink-3); }
.art-byline .meta b { color: var(--ink-2); font-weight: 600; }

/* layout */
.art-grid { display: grid; gap: 36px; padding-top: 30px; align-items: start; }
@media (min-width: 900px) { .art-grid { grid-template-columns: minmax(0,1fr) 270px; } }

/* prose */
.prose { max-width: 720px; min-width: 0; }
.prose > * + * { margin-top: 22px; }
.prose h2 { font-size: var(--fs-h1); font-weight: 800; letter-spacing: -.015em; margin-top: 44px; line-height: 1.3; scroll-margin-top: 80px; }
.prose h2 .anchor { color: var(--border-2); font-weight: 600; margin-right: 8px; }
.prose h3 { font-size: var(--fs-h2); font-weight: 700; margin-top: 30px; scroll-margin-top: 80px; }
.prose p { font-size: 17px; line-height: 1.78; color: var(--ink); text-wrap: pretty; overflow-wrap: anywhere; }
.prose strong { font-weight: 700; }
.prose a.inline { color: var(--primary); font-weight: 600; border-bottom: 1px solid var(--primary-tint-2); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { font-size: 17px; line-height: 1.7; margin-top: 8px; }
.prose li::marker { color: var(--accent); }

/* summary box (TL;DR) */
.tldr { background: var(--primary-tint); border: 1px solid var(--primary-tint-2); border-radius: var(--r-md); padding: 18px 20px; }
:root[data-theme="dark"] .tldr { border-color: var(--primary); }
.tldr .k { font-size: 11.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--primary); margin-bottom: 10px; }
.tldr ul { margin: 0; padding-left: 20px; }
.tldr li { font-size: var(--fs-sm); line-height: 1.6; color: var(--ink); margin-top: 6px; }
.tldr li::marker { color: var(--primary); }

/* pull quote */
.pullquote { border-left: 4px solid var(--accent); padding: 4px 0 4px 20px; font-size: 21px; line-height: 1.5; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }

/* callout (key fact) */
.callout { display: flex; gap: 14px; background: var(--accent-tint); border: 1px solid #F0DCB0; border-radius: var(--r-md); padding: 16px 18px; }
:root[data-theme="dark"] .callout { border-color: #4a3a18; }
.callout .ci { width: 32px; height: 32px; flex: none; border-radius: 9px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; }
.callout .ct { font-size: var(--fs-sm); line-height: 1.6; color: var(--ink); }
.callout .ct b { color: var(--accent-700); }
:root[data-theme="dark"] .callout .ct b { color: var(--accent-500); }

/* inline figure (embedded component) */
.figure { margin: 28px 0; }
.figure figcaption { font-size: var(--fs-caption); color: var(--ink-3); margin-top: 9px; text-align: center; }

/* data table */
.art-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); border: 1px solid var(--border); border-radius: var(--r-md); overflow: clip; }
.art-table th { background: var(--surface-2); text-align: left; padding: 11px 14px; font-weight: 700; font-size: var(--fs-caption); color: var(--ink-2); border-bottom: 1px solid var(--border); }
.art-table th.r, .art-table td.r { text-align: right; font-variant-numeric: tabular-nums; }
.art-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.art-table tr:last-child td { border-bottom: none; }

/* ===== sidebar ===== */
.art-side { display: grid; gap: 22px; position: sticky; top: 76px; }

/* TOC */
.toc { border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); padding: 16px; box-shadow: var(--shadow-sm); }
.toc .k { font-size: 11.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.toc a { display: block; font-size: var(--fs-sm); color: var(--ink-2); padding: 7px 10px; border-radius: var(--r-sm); border-left: 2px solid transparent; line-height: 1.4; transition: all .14s; }
.toc a:hover { background: var(--surface-2); color: var(--ink); }
.toc a.active { color: var(--primary); background: var(--primary-tint); border-left-color: var(--primary); font-weight: 700; }

/* share */
.share { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.share .lbl { font-size: var(--fs-caption); font-weight: 700; color: var(--ink-3); margin-right: 2px; }
.share button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-2); background: var(--surface); color: var(--ink-2); display: grid; place-items: center; font-weight: 800; font-size: 14px; transition: all .14s; }
.share button:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.share .copied { font-size: var(--fs-caption); color: var(--success); font-weight: 700; }

/* share — sticky inline bar under hero on mobile */
.share-inline { display: flex; align-items: center; gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--border); }

/* author / AI disclosure box */
.author-box { display: flex; gap: 14px; align-items: flex-start; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface-2); padding: 18px; margin-top: 40px; }
.author-box .ab-av { width: 48px; height: 48px; border-radius: 50%; background: var(--primary-tint); display: grid; place-items: center; font-size: 22px; flex: none; }
.author-box .ab-name { font-size: var(--fs-h3); font-weight: 700; }
.author-box .ab-bio { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.55; margin-top: 4px; }
.author-box .ab-ai { font-size: 11.5px; color: var(--ink-3); margin-top: 8px; display: flex; align-items: center; gap: 6px; }

/* related */
.related { margin-top: 48px; }
.related h2 { font-size: var(--fs-h2); font-weight: 800; margin: 0 0 18px; }

/* prev/next */
.prevnext { display: grid; gap: 12px; margin-top: 40px; }
@media (min-width: 620px) { .prevnext { grid-template-columns: 1fr 1fr; } }
.pn-card { border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); padding: 15px 17px; transition: all .14s; }
.pn-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.pn-card .dir { font-size: 11.5px; font-weight: 700; color: var(--ink-3); }
.pn-card .pn-t { font-size: var(--fs-sm); font-weight: 700; color: var(--ink); margin-top: 5px; line-height: 1.4; }
.pn-card.next { text-align: right; }

@media (max-width: 560px) {
  .article-wrap { padding-inline: 20px; }
  .article-wrap .header-cta,
  .blog-shell .header-cta { max-width: 54px; }
  .art-hero h1 { inline-size: 100%; max-inline-size: min(100%, 350px); font-size: 30px; line-height: 1.16; max-width: 100%; }
  .art-hero,
  .prose,
  .prose > *,
  .related,
  .related .post-card,
  .related h3 { max-inline-size: min(100%, 350px); }
  .art-hero .dek { font-size: 16px; }
  .art-hero h1,
  .art-hero .dek,
  .prose h2,
  .prose h3,
  .prose p,
  .prose li,
  .tldr,
  .callout,
  .author-box {
    word-break: break-all;
    line-break: anywhere;
  }
  .art-byline { align-items: flex-start; }
  .art-byline .meta { overflow-wrap: anywhere; }
  .share-inline { overflow-x: auto; flex-wrap: nowrap; }
  .art-grid { padding-top: 22px; }
  .prose h2 { font-size: 25px; }
  .prose p,
  .prose li { font-size: 16px; }
  .tldr,
  .callout,
  .author-box { padding: 16px; }
  .art-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  .art-side { position: static; }
}