/*
 * Claracademic · estrutura e componentes dos artigos do blog.
 * Complementa style.css (que não é alterado) e vem depois dele e dos <style>
 * inline de cada artigo. Só tokens de style.css (direção B, docs/DESIGN_SYSTEM.md).
 * A montagem dinâmica (índice, cabeçalho, barra de leitura) está em artigo.js.
 */

:root {
  --col: 40rem;          /* coluna de leitura, cerca de 68 caracteres */
  --toc-w: 15rem;
  --toc-gap: 3rem;
  --wrap: 40rem;         /* largura do conjunto cabeçalho + coluna */
}
@media (min-width: 1100px) {
  :root { --wrap: calc(var(--col) + var(--toc-gap) + var(--toc-w)); }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ── Bloco escuro: mesmo conjunto de tokens do .deep do app ── */
.deep, .article-hero {
  --bg: 253 54% 16%; --surface: 253 40% 21%; --surface-2: 253 38% 25%; --line: 253 30% 28%; --line-strong: 253 25% 38%;
  --ink: 253 100% 97%; --ink-2: 251 43% 82%; --ink-3: 251 30% 72%;
  --accent: 250 100% 85%; --accent-hover: 250 100% 90%; --accent-ink: 253 54% 16%;
  --sand: 44 75% 63%; --rose: 355 77% 74%;
  --saude: 314 64% 72%; --exatas: 174 57% 60%; --humanas: 44 75% 63%; --sociais: 214 79% 72%; --multi: 251 36% 79%;
  position: relative; overflow: hidden; background-color: hsl(var(--deep)); color: hsl(var(--ink)); color-scheme: dark;
}
.deep::before, .article-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .18; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.deep::after, .article-hero::after {
  content: ""; position: absolute; top: -30%; right: -10%; width: 60%; height: 120%; pointer-events: none;
  background: radial-gradient(closest-side, hsl(250 70% 55% / .35), transparent);
}
.deep > *, .article-hero > * { position: relative; z-index: 1; }

/* ── Etiqueta com ponto da área: a cor sempre vem com o nome escrito ── */
.tag { min-height: 1.75rem; padding: 0 0.625rem; border-radius: 0.5rem; font-weight: 500; font-size: 0.8125rem; }
.tag-dom::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--c, hsl(var(--multi))); flex: none; }
.tag .tag-area { color: hsl(var(--ink-2)); font-weight: 400; padding-left: 0.5rem; border-left: 1px solid hsl(var(--line-strong)); }

/* ── Cabeçalho do artigo: trilha, etiqueta, título, resumo, autoria ── */
.article-hero {
  width: auto; max-width: none; margin: 0; border: 0;
  padding: 0 max(var(--gutter), calc((100% - var(--wrap)) / 2)) clamp(1.75rem, 4vw, 3rem);
}
.article-hero .breadcrumb {
  width: auto; max-width: none; margin: 0 0 clamp(0.5rem, 2vw, 1.25rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 0 0.5rem;
  font-family: var(--sans); font-size: 0.875rem; color: hsl(var(--ink-2));
}
.article-hero .breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; color: hsl(var(--ink-2)); }
.article-hero .breadcrumb a:hover { color: hsl(var(--ink)); text-decoration: underline; text-underline-offset: 0.2em; }
.article-hero .breadcrumb span[aria-current] { color: hsl(var(--ink)); }
.artigo-etiquetas { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.1rem; }
.article-hero h1 {
  font-size: clamp(1.875rem, 3.8vw, 3rem); font-weight: 500; line-height: 1.08; letter-spacing: -0.03em;
  max-width: 24em; margin: 0 0 1.1rem; color: hsl(var(--ink)); text-wrap: balance;
}
.article-hero .article-lead {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem); line-height: 1.5; color: hsl(var(--ink-2)); max-width: 40rem; margin: 0 0 1.5rem;
}
.article-hero .article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem;
  font-family: var(--sans); font-size: 0.9375rem; color: hsl(var(--ink-2)); margin-top: 1.5rem;
}
.article-hero .article-lead + .article-meta { margin-top: 0; }
.article-hero .article-meta > span { display: inline-flex; align-items: center; gap: 0.75rem; }
.article-hero .article-meta > span + span::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: hsl(var(--ink-3)); }
.article-hero .article-meta a { color: hsl(var(--ink)); font-weight: 500; }
.meta-ini {
  display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; border-radius: 50%;
  background: hsl(var(--accent) / 0.2); color: hsl(var(--ink)); font-size: 0.8125rem; font-weight: 600; margin-right: -0.25rem;
}

/* ── Coluna de leitura ── */
.article-body {
  position: relative; max-width: none; width: min(100% - 2 * var(--gutter), var(--wrap)); margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 2.75rem) 0 3rem; font-size: 1.0625rem;
}
@media (min-width: 1100px) {
  .article-body { padding-right: calc(var(--toc-w) + var(--toc-gap)); }
}
.article-body p, .article-body ul, .article-body ol { max-width: none; }
.article-body p { font-size: 1.0625rem; line-height: 1.7; color: hsl(var(--ink)); margin: 0 0 1.25rem; }
.article-body ul, .article-body ol { margin: 0 0 1.5rem 1.25rem; padding: 0; color: hsl(var(--ink)); font-size: 1.0625rem; }
.article-body li { margin-bottom: 0.55rem; line-height: 1.65; padding-left: 0.25rem; }
.article-body li::marker { color: hsl(var(--accent)); font-family: var(--sans); font-weight: 600; font-size: 1em; }
.article-body li > ul, .article-body li > ol { margin: 0.55rem 0 0.25rem 1rem; }
.article-body strong { color: hsl(var(--ink)); font-weight: 600; }
.article-body em, .article-body i, .article-body cite { font-style: normal; font-weight: 600; color: hsl(var(--ink)); }
.article-body a:where(:not(.cta-btn, .cta-button, .share-btn, .viz, .topic-cta, .btn)) {
  color: hsl(var(--accent)); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em;
}
.article-body a:where(:not(.cta-btn, .cta-button, .share-btn, .viz, .topic-cta, .btn)):hover { text-decoration-thickness: 2px; }
.article-body code { font-family: var(--sans); font-size: 0.9em; overflow-wrap: anywhere; }
.article-body img, .article-body figure { max-width: 100%; }
.article-body hr { border: 0; border-top: 1px solid hsl(var(--line)); margin: 2.5rem 0; }

/* títulos: fonte de sistema, hierarquia clara */
.article-body h2 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem); font-weight: 600; line-height: 1.15; letter-spacing: -0.022em;
  margin: 0 0 1rem; color: hsl(var(--ink)); scroll-margin-top: 5.5rem;
}
.article-body > h2 { margin-top: 3.25rem; padding-top: 2.25rem; border-top: 1px solid hsl(var(--line-strong)); }
.article-body > .toc-m + h2, .article-body > .toc + .toc-m + h2 { margin-top: 0; padding-top: 0; border-top: 0; }
.article-body h3 {
  font-size: clamp(1.1875rem, 1.8vw, 1.375rem); font-weight: 600; line-height: 1.25; letter-spacing: -0.015em;
  margin: 2.25rem 0 0.75rem; color: hsl(var(--ink)); scroll-margin-top: 5.5rem;
}
.article-body h4 { font-size: 1.0625rem; font-weight: 600; line-height: 1.3; margin: 1.75rem 0 0.5rem; color: hsl(var(--ink)); }
.article-body h2 + h3 { margin-top: 1.25rem; }

/* citação: cartão, sem filete lateral colorido */
.article-body blockquote {
  margin: 1.75rem 0 !important; padding: 1.25rem 1.5rem !important; background: hsl(var(--surface)) !important;
  border: 1px solid hsl(var(--line)) !important; border-radius: 0.875rem !important;
  font-family: var(--sans) !important; font-weight: 400 !important; font-size: 1.125rem !important; line-height: 1.55 !important;
  color: hsl(var(--ink)) !important;
}
.article-body blockquote p { font-size: inherit; margin: 0 0 0.75rem; }
.article-body blockquote > :last-child { margin-bottom: 0; }

/* ── Caixas: um cartão com borda e fundo, sem filete lateral ── */
.article-body .callout, .article-body .highlight-box, .article-body .ai-block, .article-body .ref-box, .article-body .domain-block {
  background: hsl(var(--surface)); border: 1px solid hsl(var(--line)); border-radius: 0.875rem;
  padding: 1.25rem 1.5rem; margin: 1.75rem 0; font-family: var(--sans); font-size: 1rem; line-height: 1.6; color: hsl(var(--ink));
}
.article-body .highlight-box { background: hsl(var(--surface-2) / 0.55); }
.article-body .ai-block { background: hsl(var(--accent) / 0.07); border-color: hsl(var(--accent) / 0.28); }
.article-body .callout p, .article-body .highlight-box p, .article-body .ai-block p { font-size: inherit; line-height: inherit; color: hsl(var(--ink)); margin: 0; }
.article-body .callout p + p, .article-body .highlight-box p + p, .article-body .ai-block p + p { margin-top: 0.75rem; }
.article-body .ai-block h3 {
  display: flex; align-items: center; gap: 0.6rem; margin: 0 0 0.6rem; font-family: var(--sans); font-size: 1rem; font-weight: 600; color: hsl(var(--ink));
}
.article-body .ai-block h3::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: hsl(var(--accent)); flex: none; }
.article-body .ai-block ul { margin: 0.6rem 0 0 1.2rem; font-size: inherit; }
.article-body .ref-box { word-break: break-word; }
.article-body .ref-label {
  display: inline-flex; align-items: center; min-height: 1.5rem; padding: 0 0.5rem; margin: 0 0 0.6rem; border-radius: 0.375rem;
  border: 1px solid hsl(var(--line-strong)); background: hsl(var(--surface-2) / 0.6); color: hsl(var(--ink));
  font-family: var(--sans); font-size: 0.8125rem; font-weight: 600; text-transform: none; letter-spacing: 0;
}
.article-body .domain-block h4 { font-family: var(--sans); font-size: 1rem; font-weight: 600; color: hsl(var(--ink)); margin: 0 0 0.4rem; }
.article-body .domain-block p { font-size: 0.9375rem; color: hsl(var(--ink-2)); margin: 0; }

/* cartões de conteúdo espalhados pelos artigos */
.article-body .base-card, .article-body .feature-card, .article-body .score-card, .article-body .intro-chip {
  background: hsl(var(--surface)) !important; border: 1px solid hsl(var(--line)) !important; border-radius: 0.875rem !important;
}
.article-body .base-card h3, .article-body .feature-card h3 { font-family: var(--sans); font-weight: 600; color: hsl(var(--ink)); }
.article-body .base-card p, .article-body .feature-card p { color: hsl(var(--ink-2)); }

/* marcadores de lista de verificação e notas: tokens, sem verde e vermelho */
.article-body .checklist li { border-bottom: 1px solid hsl(var(--line)); color: hsl(var(--ink)); }
.article-body .ck-ok { background: hsl(var(--accent) / 0.14); color: hsl(var(--accent)); }
.article-body .ck-bad, .article-body .ck-warn { background: hsl(var(--sand-bg)); color: hsl(var(--sand)); }
.article-body .score-high { background: hsl(var(--accent) / 0.14); color: hsl(var(--accent)); }
.article-body .score-medium { background: hsl(var(--sand-bg)); color: hsl(var(--sand)); }
.article-body .score-low { background: hsl(var(--rose) / 0.12); color: hsl(var(--rose)); }
.article-body td[style*="#4ade80"], .article-body td[style*="#ef4444"] { color: hsl(var(--ink)) !important; }

/* artigo da semana: o que vinha em hexadecimal e caixa alta passa para tokens */
.article-body .week-badge { display: none; }
.article-body .topic-card { background: hsl(var(--surface)); border: 1px solid hsl(var(--line)); border-radius: 1rem; }
.article-body .topic-card::before { display: none; }
.article-body .topic-card p { color: hsl(var(--ink)); font-size: 1rem; line-height: 1.65; }
.article-body .topic-title { font-family: var(--sans); font-size: 1.375rem; font-weight: 600; margin: 0 0 0.35rem; border: 0; padding: 0; }
.article-body .topic-num, .article-body .topic-section-label { text-transform: none; letter-spacing: 0; font-size: 0.875rem; font-weight: 600; color: hsl(var(--ink-2)); }
.article-body .topic-trend { color: hsl(var(--ink-2)); }
.article-body .topic-cta { display: inline-flex; align-items: center; min-height: 44px; border: 1px solid hsl(var(--line-strong)); background: hsl(var(--surface-2)); color: hsl(var(--ink)); text-decoration: none; margin: 1.25rem 0 0; padding: 0 1rem; border-radius: 999px; text-align: left; }
.article-body .topic-cta:hover { border-color: hsl(var(--accent)); background: hsl(var(--surface-2)); color: hsl(var(--ink)); }
.article-body .finding-list li { border-bottom: 1px solid hsl(var(--line)); color: hsl(var(--ink)); }
.article-body .finding-list .icon { color: hsl(var(--accent)); }
.article-body .finding-list li { max-width: none; }

/* ── Tabelas: rolagem horizontal dentro da própria tabela ── */
.article-body .table-wrap {
  overflow-x: auto; margin: 1.75rem 0; border: 1px solid hsl(var(--line)); border-radius: 0.875rem; background: hsl(var(--surface));
  -webkit-overflow-scrolling: touch;
}
.article-body .table-wrap:focus-visible { outline: 2px solid hsl(var(--accent)); outline-offset: 2px; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; line-height: 1.5; margin: 0; }
.article-body > table { display: block; overflow-x: auto; }
.article-body table.tbl-larga { min-width: 36rem; }
.article-body .table-wrap .comparison-table { border: 0; margin: 0; border-radius: 0; }
.article-body th {
  background: hsl(var(--surface-2)); color: hsl(var(--ink)); font-family: var(--sans); font-size: 0.875rem; font-weight: 600;
  text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid hsl(var(--line-strong)); vertical-align: bottom;
}
.article-body td { padding: 0.75rem 1rem; border-bottom: 1px solid hsl(var(--line)); color: hsl(var(--ink-2)); vertical-align: top; }
.article-body tbody tr:last-child td, .article-body table > tr:last-child td { border-bottom: 0; }
.article-body td strong { color: hsl(var(--ink)); }
.article-body tbody tr:hover td { background: hsl(var(--surface-2) / 0.35); }

/* ── Perguntas frequentes: acordeão ── */
.article-body details.faq-item {
  background: hsl(var(--surface)); border: 1px solid hsl(var(--line)); border-radius: 0.875rem; margin: 0 0 0.625rem; padding: 0; overflow: hidden;
}
.article-body details.faq-item[open] { border-color: hsl(var(--line-strong)); }
.article-body details.faq-item > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 3.25rem; padding: 0.75rem 1.25rem; margin: 0;
  font-family: var(--sans); font-size: 1.0625rem; font-weight: 600; line-height: 1.35; letter-spacing: 0; color: hsl(var(--ink));
}
.article-body details.faq-item > summary::-webkit-details-marker { display: none; }
.article-body details.faq-item > summary::after {
  content: "+"; flex: none; width: 1.75rem; height: 1.75rem; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid hsl(var(--line-strong)); font-size: 1.125rem; font-weight: 500; line-height: 1; color: hsl(var(--ink-2));
}
.article-body details.faq-item[open] > summary::after { content: "\2212"; }
.article-body details.faq-item > summary:hover { background: hsl(var(--surface-2) / 0.4); }
.article-body details.faq-item > summary:focus-visible { outline-offset: -3px; border-radius: 0.875rem; }
.article-body details.faq-item .faq-a { padding: 0 1.25rem 1.1rem; margin: 0; color: hsl(var(--ink-2)); font-size: 1rem; line-height: 1.65; }
.article-body .faq-item:not(details) { padding: 1.1rem 1.25rem; }
.article-body .faq-q { font-family: var(--sans); font-weight: 600; color: hsl(var(--ink)); }

/* ── Chamada final: bloco escuro ── */
.article-body .cta-block, .article-body .cta-box,
.article-body div[style*="border-radius: 16px"], .article-body div[style*="border-radius:16px"] {
  --bg: 253 54% 16%; --surface: 253 40% 21%; --surface-2: 253 38% 25%; --line: 253 30% 28%;
  --ink: 253 100% 97%; --ink-2: 251 43% 82%; --ink-3: 251 30% 72%;
  --accent: 250 100% 85%; --accent-hover: 250 100% 90%; --accent-ink: 253 54% 16%;
  position: relative; overflow: hidden; isolation: isolate;
  background: hsl(var(--deep)) !important; color: hsl(var(--ink)); border: 0 !important; border-radius: 1.25rem !important;
  padding: clamp(1.5rem, 4vw, 2.5rem) !important; margin: 3rem 0 !important; text-align: left !important;
  display: grid; grid-template-columns: minmax(0, 1fr); row-gap: 0.6rem; justify-items: start;
}
.article-body .cta-block::before, .article-body .cta-box::before,
.article-body div[style*="border-radius: 16px"]::before, .article-body div[style*="border-radius:16px"]::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .18; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.article-body .cta-block::after, .article-body .cta-box::after,
.article-body div[style*="border-radius: 16px"]::after, .article-body div[style*="border-radius:16px"]::after {
  content: ""; position: absolute; top: -40%; right: -10%; width: 55%; height: 140%; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, hsl(250 70% 55% / .35), transparent);
}
.article-body .cta-block > *, .article-body .cta-box > *,
.article-body div[style*="border-radius: 16px"] > *, .article-body div[style*="border-radius:16px"] > * { grid-column: 1; }
.article-body .cta-block h3, .article-body .cta-box h3,
.article-body div[style*="border-radius: 16px"] h3, .article-body div[style*="border-radius:16px"] h3 {
  font-family: var(--sans); font-size: clamp(1.3125rem, 2.4vw, 1.75rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.02em;
  margin: 0 !important; color: hsl(var(--ink)) !important;
}
.article-body .cta-block p, .article-body .cta-box p,
.article-body div[style*="border-radius: 16px"] p, .article-body div[style*="border-radius:16px"] p {
  margin: 0 !important; max-width: 36rem; font-size: 1rem; line-height: 1.55; color: hsl(var(--ink-2)) !important;
}
.article-body .cta-block .cta-btn, .article-body .cta-block .cta-button, .article-body .cta-box .cta-btn, .article-body .cta-box .cta-button,
.article-body div[style*="border-radius: 16px"] > a, .article-body div[style*="border-radius:16px"] > a {
  grid-column: 1; justify-self: start; margin-top: 0.9rem;
  display: inline-flex !important; align-items: center; justify-content: center; min-height: 44px; padding: 0 1.5rem !important;
  border-radius: 999px !important; background: hsl(var(--accent)) !important; color: hsl(var(--accent-ink)) !important;
  font-size: 0.9375rem !important; font-weight: 600 !important; text-decoration: none !important; text-align: center;
}
.article-body .cta-block .cta-btn:hover, .article-body .cta-block .cta-button:hover, .article-body .cta-box .cta-btn:hover, .article-body .cta-box .cta-button:hover,
.article-body div[style*="border-radius: 16px"] > a:hover, .article-body div[style*="border-radius:16px"] > a:hover { background: hsl(var(--accent-hover)) !important; }
.article-body div[style*="border-radius: 16px"] a[style*="#022c22"], .article-body div[style*="border-radius:16px"] a[style*="#022c22"] { color: hsl(var(--accent-ink)) !important; }
.article-body [style*="text-transform"] { text-transform: none !important; letter-spacing: 0 !important; }

/* ── Leia também ── */
.article-body .article-nav { max-width: none; margin: 3.5rem 0 0; padding-top: 0; border-top: 0; }
.article-body .article-nav h3 { font-family: var(--sans); font-size: 1.25rem; font-weight: 600; color: hsl(var(--ink)); margin: 0 0 1rem; letter-spacing: -0.015em; }
.article-body .article-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.article-body .article-nav li { margin: 0; padding: 0; }
.article-body .article-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.25rem; padding: 0.75rem 1.1rem;
  background: hsl(var(--surface)); border: 1px solid hsl(var(--line)); border-radius: 0.875rem;
  font-family: var(--sans); font-size: 1rem; font-weight: 500; line-height: 1.4; letter-spacing: 0; color: hsl(var(--ink)); text-decoration: none;
}
.article-body .article-nav a::after { content: "\2192"; color: hsl(var(--ink-2)); flex: none; }
.article-body .article-nav a:hover { border-color: hsl(var(--ink-3)); color: hsl(var(--accent)); text-decoration: none; }

/* ── Compartilhar (markup gerado por share.js) ── */
.share-bar, .vizinhos { width: min(100% - 2 * var(--gutter), var(--col)); max-width: none; margin-inline: auto; }
.share-bar { margin-top: 0.5rem; padding: 1.25rem 0; border-top: 1px solid hsl(var(--line-strong)); border-bottom: 0; gap: 0.5rem 0.625rem; }
.share-label { font-family: var(--sans); font-size: 0.9375rem; font-weight: 600; color: hsl(var(--ink)); margin-right: 0.5rem; }
.share-btn { min-height: 44px; padding: 0 1.1rem; font-size: 0.9375rem; border: 1px solid hsl(var(--line-strong)); color: hsl(var(--ink)); background: hsl(var(--surface)); }
.share-btn:hover, .share-native:hover, .share-whatsapp:hover { border-color: hsl(var(--accent)); color: hsl(var(--ink)); background: hsl(var(--surface)); }
@media (min-width: 1100px) {
  .share-bar, .vizinhos { margin-left: max(var(--gutter), calc((100% - var(--wrap)) / 2)); margin-right: auto; }
}

/* ── Anterior e próximo ── */
.vizinhos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; margin-bottom: 3rem; }
.viz {
  display: grid; align-content: start; gap: 0.4rem; padding: 1.25rem 1.35rem; background: hsl(var(--surface));
  border: 1px solid hsl(var(--line)); border-radius: 1rem; color: hsl(var(--ink)); text-decoration: none !important; min-height: 44px;
  transition: border-color .15s;
}
.viz:hover { border-color: hsl(var(--ink-3)); }
.viz:hover .viz-t { color: hsl(var(--accent)); }
.viz-r { font-size: 0.875rem; font-weight: 600; color: hsl(var(--ink-2)); }
.viz-ant .viz-r::before { content: "\2190\00a0"; }
.viz-prox .viz-r::after { content: "\00a0\2192"; }
.viz-prox { text-align: right; }
.viz-t { font-size: 1.0625rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.viz-d { font-size: 0.8125rem; color: hsl(var(--ink-2)); }
@media (max-width: 640px) {
  .vizinhos { grid-template-columns: 1fr; }
  .viz-vazio { display: none; }
  .viz-prox { text-align: left; }
}

/* ── Índice "Neste artigo" ── */
.article-body .toc { display: none; }
.article-body .toc-lista { list-style: none; margin: 0; padding: 0; font-size: 0.9375rem; }
.article-body .toc-lista li { margin: 0; padding: 0; line-height: 1.35; }
.article-body .toc-lista a {
  display: flex; align-items: center; min-height: 44px; padding: 0.5rem 0.75rem; border-radius: 0.625rem;
  color: hsl(var(--ink-2)); text-decoration: none; font-size: 0.9375rem; font-weight: 400;
}
.article-body .toc-lista a:hover { color: hsl(var(--ink)); background: hsl(var(--surface-2) / 0.6); text-decoration: none; }
.article-body .toc-lista a[aria-current="location"] {
  color: hsl(var(--ink)); font-weight: 600; background: hsl(var(--surface)); box-shadow: inset 0 0 0 1px hsl(var(--line-strong));
}

/* menor que 1100px: bloco recolhível no topo */
.article-body .toc-m { margin: 0 0 2rem; background: hsl(var(--surface)); border: 1px solid hsl(var(--line)); border-radius: 0.875rem; }
.article-body .toc-m > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.25rem;
  padding: 0 1.1rem; font-size: 1rem; font-weight: 600; color: hsl(var(--ink)); border-radius: 0.875rem;
}
.article-body .toc-m > summary::-webkit-details-marker { display: none; }
.article-body .toc-m > summary:focus-visible { outline-offset: -3px; }
.article-body .toc-n { margin-left: auto; font-size: 0.875rem; font-weight: 400; color: hsl(var(--ink-2)); }
.article-body .toc-m > summary::after {
  content: ""; width: 0.5rem; height: 0.5rem; border-right: 2px solid hsl(var(--ink-2)); border-bottom: 2px solid hsl(var(--ink-2));
  transform: translateY(-2px) rotate(45deg); flex: none;
}
.article-body .toc-m[open] > summary::after { transform: translateY(2px) rotate(-135deg); }
.article-body .toc-m[open] > summary { border-bottom: 1px solid hsl(var(--line)); border-radius: 0.875rem 0.875rem 0 0; }
.article-body .toc-m .toc-lista { padding: 0.5rem; }

@media (min-width: 1100px) {
  .article-body .toc-m { display: none; }
  .article-body .toc { display: block; position: absolute; top: clamp(1.75rem, 4vw, 2.75rem); bottom: 0; right: 0; width: var(--toc-w); }
  .article-body .toc-in { position: sticky; top: 5.5rem; max-height: calc(100vh - 7rem); overflow-y: auto; overscroll-behavior: contain; padding-right: 0.25rem; }
  .article-body .toc-t { margin: 0 0 0.5rem; padding-left: 0.75rem; font-size: 0.9375rem; font-weight: 600; color: hsl(var(--ink)); }
  .article-body .toc-lista a { min-height: 2.5rem; }
}

/* ── Barra fina de progresso de leitura ── */
.leitura-barra { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; }
.leitura-fio { height: 100%; width: 100%; background: hsl(var(--accent)); transform-origin: 0 50%; transform: scaleX(0); will-change: transform; }

/* ── Telas estreitas ── */
@media (max-width: 640px) {
  .article-body { font-size: 1rem; }
  .article-body p, .article-body ul, .article-body ol { font-size: 1.0625rem; }
  .article-body > h2 { margin-top: 2.5rem; padding-top: 1.75rem; }
  .article-body table { font-size: 0.875rem; }
  .article-body th, .article-body td { padding: 0.6rem 0.75rem; }
  .article-body .callout, .article-body .highlight-box, .article-body .ai-block, .article-body .ref-box, .article-body .domain-block { padding: 1rem 1.1rem !important; margin: 1.5rem 0 !important; }
  .article-body .cta-block .cta-btn, .article-body .cta-block .cta-button, .article-body .cta-box .cta-btn, .article-body .cta-box .cta-button,
  .article-body div[style*="border-radius: 16px"] > a, .article-body div[style*="border-radius:16px"] > a { justify-self: stretch; }
}
@media (max-width: 380px) {
  .article-hero .breadcrumb { font-size: 0.8125rem; }
}
@media (max-width: 520px) {
  .article-hero .article-meta { column-gap: 1.25rem; }
  .article-hero .article-meta > span + span::before { display: none; }
  .article-hero .article-meta .meta-autor { flex-basis: 100%; }
}
.article-body blockquote em, .article-body blockquote i { font-weight: inherit; color: inherit; }

/* etiquetas e chips longos quebram linha em vez de estourar a página */
.article-body .study-chip, .article-body .source-badge, .article-body .intro-chip, .article-body .topic-trend, .article-body .base-tag { white-space: normal; max-width: 100%; }
.article-body .intro-grid { grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr)) !important; }
.article-body .intro-chip { display: block; font-size: 0.9375rem; color: hsl(var(--ink-2)); border-radius: 0.875rem; padding: 0.9rem 1.1rem; }
.article-body .topic-trend { flex-wrap: wrap; }

/* nada abaixo de 12px, mesmo com o tamanho de base de 15px no celular */
.article-body .base-card .base-tag, .article-body .study-chip, .article-body .source-badge, .article-body .base-tag { font-size: 0.8125rem; }
.article-body .checklist li .ck-icon { font-size: 0.8125rem; width: 1.375rem; height: 1.375rem; }
.article-hero .article-meta a { display: inline-flex; align-items: center; min-height: 44px; }
.article-body .cta-block .cta-btn, .article-body .cta-block .cta-button, .article-body .cta-box .cta-btn, .article-body .cta-box .cta-button { min-height: 44px; }
.article-body th { color: hsl(var(--ink)) !important; background: hsl(var(--surface-2)) !important; font-size: 0.875rem !important; border-bottom: 1px solid hsl(var(--line-strong)) !important; }
.article-body div.comparison-table.table-wrap { margin: 1.75rem 0 !important; }

/* ── Foto de capa do artigo ── */
.artigo-capa { margin: 1.75rem 0 0; border-radius: 1rem; aspect-ratio: 16 / 9; box-shadow: 0 24px 40px -24px rgb(0 0 0 / 0.6); }
.artigo-capa img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (min-width: 1000px) {
  .article-hero.tem-capa { display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, 26rem); column-gap: clamp(2rem, 4vw, 3.5rem); align-content: start; }
  .article-hero.tem-capa > * { grid-column: 1; }
  .article-hero.tem-capa .artigo-capa { grid-column: 2; grid-row: 2 / span 5; align-self: center; margin: 0; }
  .article-hero.tem-capa h1 { max-width: 16em; }
}