/*! @author Trần Thành (Tran Thanh) — labcare.com.vn · TT-LBC-2026 */

.art-hero {
  padding-top: clamp(40px, 5vw, 80px);
  padding-bottom: clamp(40px, 5vw, 64px);
}
.art-hero__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.art-hero__meta {
  display: flex;
  gap: var(--s-4);
  align-items: center;
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-6);
}
.art-hero__meta strong { color: var(--text); font-weight: 500; }
.art-hero h1 {
  font-size: var(--fs-8);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--s-6);
  max-width: 24ch;
}
.art-hero__lead {
  font-size: var(--fs-6);
  line-height: 1.55;
  color: var(--text-soft);
  max-width: 60ch;
}
.art-hero__byline {
  margin-top: var(--s-9);
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-soft);
  flex-wrap: wrap;
}
.art-hero__byline strong { color: var(--text); font-family: var(--ff-display); font-weight: 600; font-size: var(--fs-4); }
.art-hero__byline__share { display: flex; gap: var(--s-2); }
.art-hero__byline__share a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--text-soft);
}
.art-hero__byline__share a:hover { color: var(--text); border-color: var(--text); }

.art-hero__cover {
  aspect-ratio: 16 / 9;
  max-height: 420px;
  background: var(--bg-card);
  position: relative;
  margin-top: var(--s-8);
  border-radius: var(--r-3);
  overflow: hidden;
  border: 1px solid var(--line);
}
.art-hero__cover .ph { position: absolute; inset: 0; border-radius: 0; }
.art-hero__cover .ph::after { border-radius: 0; }
.art-hero__cover__caption {
  position: absolute;
  bottom: var(--s-5);
  left: var(--s-5);
  right: var(--s-5);
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(11,11,20,0.6);
  backdrop-filter: blur(8px);
  padding: 8px 12px;
  border-radius: var(--r-2);
  display: inline-block;
  width: fit-content;
  z-index: 2;
}

.art-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-9);
  padding-block: var(--s-10);
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  border-top: 1px solid var(--line);
}

.art-body.has-toc {
  grid-template-columns: 200px 1fr;
  gap: clamp(32px, 4vw, 56px);
}

.art-body__toc { display: none; }
.art-body__side { display: none; }
.art-body.has-toc .art-body__toc { display: block; }
@media (max-width: 1023px) {
  .art-body.has-toc { grid-template-columns: 1fr; }
  .art-body.has-toc .art-body__toc { order: -1; position: static; }
}

.art-body__toc {
  position: sticky;
  top: 96px;
  align-self: start;
  height: fit-content;
  min-width: 0;
  overflow: hidden;
}
.toc__lbl {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line);
}
.toc__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); }
.toc__list a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  padding: 6px 0 6px 16px;
  font-size: var(--fs-3);
  color: var(--text-soft);
  line-height: 1.4;
  border-left: 1px solid var(--line);
  transition: all var(--t-fast) var(--ease);
}
.toc__list a:hover { color: var(--text); border-left-color: var(--text); }
.toc__list .is-active a { color: var(--text); border-left-color: var(--text); }
.toc__list__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  color: var(--text-mute);
  margin-right: 4px;
}

.art-body__side {
  position: sticky;
  top: 96px;
  align-self: start;
  height: fit-content;
  display: grid;
  gap: var(--s-7);
}
.art-body__side h4 {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-3);
}
.art-body__side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); }
.art-body__side ul a { color: var(--text); font-size: var(--fs-4); }
.art-body__side ul a:hover { text-decoration: underline; text-underline-offset: 4px; }

.prose { font-size: var(--fs-5); line-height: 1.72; color: var(--text); }
.prose > * + * { margin-top: 1.25em; }
.prose h2 {
  font-size: var(--fs-7);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-top: 2em;
  scroll-margin-top: 100px;
}
.prose h2::before {
  content: counter(section) ". ";
  counter-increment: section;
  color: var(--brand-primary);
  font-family: inherit;
  font-weight: 700;
  font-size: 1em;
  letter-spacing: inherit;
  margin-right: 4px;
}
.prose { counter-reset: section; }

/* Chuẩn hóa font nội dung CMS — ép về font hệ thống, bỏ inline font lộn xộn (Word/Translate paste) */
.prose [style*="font-family"],
.prose font,
.prose span[style],
.prose p[style],
.prose div[style] { font-family: var(--ff-body) !important; }
.prose [style*="font-size"],
.prose font[size] { font-size: inherit !important; }
.prose b, .prose strong { font-weight: 600; }
.prose h3 {
  font-size: var(--fs-6);
  margin-top: 1.5em;
  letter-spacing: -0.015em;
}
.prose p { color: var(--text); }
.prose p strong { font-weight: 600; }
.prose a {
  color: var(--text);
  border-bottom: 1px solid var(--brand-accent);
  padding-bottom: 1px;
  transition: background-color var(--t-fast) var(--ease);
}
.prose a:hover { background: var(--brand-accent-soft, rgba(0,175,239,0.12)); }
.prose ul, .prose ol { padding-left: 1.5em; }
.prose li { padding-left: 0.25em; }
.prose li + li { margin-top: 6px; }

.prose blockquote {
  margin: 1.5em 0;
  padding-left: var(--s-5);
  border-left: 3px solid var(--text);
  font-family: var(--ff-display);
  font-size: var(--fs-7);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.35;
}
.prose blockquote footer {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 400;
  margin-top: var(--s-3);
}

.prose code {
  font-family: var(--ff-mono);
  font-size: var(--fs-4);
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: var(--r-2);
}

.prose figure {
  margin: 2em 0;
  display: grid;
  gap: var(--s-3);
}
.prose figure .ph {
  aspect-ratio: 4 / 3;
  border-radius: var(--r-3);
}
.prose figcaption {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.04em;
  color: var(--text-mute);
  line-height: 1.5;
  padding-left: var(--s-4);
  border-left: 1px solid var(--line-strong);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-4);
}
.prose th, .prose td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prose th {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 500;
  border-bottom: 1px solid var(--line-strong);
}

.prose .stat-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-5);
  align-items: center;
  margin: 2em 0;
  padding: var(--s-6);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
}
.prose .stat-callout__big {
  font-family: var(--ff-display);
  font-size: var(--fs-9);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
}
.prose .stat-callout__big small { font-family: var(--ff-mono); font-size: var(--fs-2); color: var(--text-mute); font-weight: 400; letter-spacing: 0; margin-left: 6px; }
.prose .stat-callout__body { font-family: var(--ff-body); font-size: var(--fs-4); color: var(--text-soft); line-height: 1.55; max-width: 36ch; }

.read-progress {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  z-index: 99;
}
.read-progress__bar { height: 100%; background: var(--brand-accent); width: 0%; transition: width 80ms linear; }

.art-related {
  background: var(--bg-soft);
  padding-block: var(--s-10);
  border-top: 1px solid var(--line);
}
.art-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-7);
}
@media (max-width: 1023px) { .art-related__grid { grid-template-columns: 1fr; } }

.art-related .art { display: flex; flex-direction: column; gap: var(--s-4); }
.art-related .art__media {
  aspect-ratio: 16 / 10;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  position: relative;
  overflow: hidden;
}
.art-related .art__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.art-related .art__meta {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  gap: var(--s-3);
  align-items: center;
}
.art-related .art__meta strong { color: var(--text); font-weight: 600; }
.art-related .art h3 { font-size: var(--fs-6); letter-spacing: -0.01em; }
.art-related .art p { font-size: var(--fs-4); color: var(--text-soft); }

.prose { overflow: hidden; word-wrap: break-word; overflow-wrap: break-word; min-width: 0; }
.prose * { max-width: 100%; box-sizing: border-box; }
.prose img {
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 560px;
  border-radius: var(--r-3);
  margin-block: var(--s-5);
  display: block;
  object-fit: contain;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-4);
  margin-block: var(--s-5);
  overflow-x: auto;
  display: block;
}
.prose table td,
.prose table th { padding: 10px 14px; border: 1px solid var(--line); }
.prose table tr:nth-child(even) { background: var(--bg-soft); }
.prose table th { background: var(--bg-invert); color: var(--text-invert); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.5em; margin-block: 0.75em; }
.prose li { margin-bottom: 0.4em; }
.prose strong { color: var(--text); }
.prose a { color: var(--brand-primary); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--text); }