/* Camada de texto longo: usada pelas páginas de /blog.
   Reaproveita os tokens de variables.css e acrescenta só o que
   um artigo precisa e o portfólio ainda não tinha. */

:root {
  --ok: #7fb894;
  --warn: #d4a548;
  --bad: #d98a7a;
  --review: #9b8fd0;

  /* --muted do portfólio fica em 4.35:1 sobre o fundo, abaixo do mínimo
     de 4.5:1 da WCAG AA para texto normal; este tom fica em 5.7:1. */
  --soft: #8f8f89;

  --measure: 68ch;
}

/* O reset do site usa scroll-behavior: smooth, ótimo para os saltos
   curtos da home. Aqui a página tem ~58.000px e um salto do índice
   vira uma animação de vários segundos, em que o leitor vê a seção
   anterior antes de chegar ao destino. Nesta página o salto é direto. */
html {
  scroll-behavior: auto;
}

/* ------------------------------------------------------------------
   Estrutura
   ------------------------------------------------------------------ */
.article {
  max-width: 1180px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.article-head {
  padding-block: 40px 36px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}

.article-head__kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
}

.article-head h1 {
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

.article-head__standfirst {
  margin-top: 18px;
  max-width: 62ch;
  font-size: clamp(17px, 2.4vw, 19px);
  line-height: 1.55;
  color: var(--body);
}

.article-head__meta {
  margin-top: 22px;
  max-width: 68ch;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--soft);
}
.article-head__meta a {
  color: var(--body);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-head__meta a:hover {
  color: var(--ink);
}

@media (min-width: 1000px) {
  .article-shell {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

/* A coluna de texto tem largura de leitura; figuras e diagramas ocupam
   toda a largura disponível sem precisar de wrapper extra. */
.prose {
  display: grid;
  grid-template-columns:
    [full-start] minmax(0, 1fr)
    [text-start] min(var(--measure), 100%)
    [text-end] minmax(0, 1fr)
    [full-end];
  font-size: 17px;
  line-height: 1.7;
}
.prose > *,
.prose > section > * {
  grid-column: text;
}
.prose > figure,
.prose > section > figure {
  grid-column: full;
}

@media (max-width: 999px) {
  .prose > figure,
  .prose > section > figure {
    grid-column: text;
  }
}

.prose > section {
  margin-bottom: 72px;
  scroll-margin-top: 24px;
}
/* ------------------------------------------------------------------
   Texto
   ------------------------------------------------------------------ */
.prose p {
  margin: 0 0 18px;
}
.prose p:last-child {
  margin-bottom: 0;
}

.prose h2 {
  font-size: clamp(24px, 3.4vw, 31px);
  line-height: 1.15;
  margin: 0 0 20px;
}

.prose h2 .num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--accent);
  margin-bottom: 10px;
}

.prose h3 {
  font-size: 19px;
  margin: 36px 0 14px;
}

.prose h4 {
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  margin: 26px 0 10px;
}

.prose > section > p:first-of-type {
  font-size: 18px;
  color: var(--ink);
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.prose em {
  font-style: italic;
}

.prose ul,
.prose ol {
  list-style: revert;
  padding-left: 1.2em;
  margin: 0 0 18px;
}
.prose li {
  margin-bottom: 8px;
}
.prose li:last-child {
  margin-bottom: 0;
}
.prose li > ul,
.prose li > ol {
  margin-top: 8px;
}

.prose blockquote {
  margin: 22px 0;
  padding-left: 18px;
  border-left: 2px solid var(--edge-hi);
  color: var(--soft);
  font-style: italic;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--ink);
}
.prose :not(pre) > code {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.1em 0.32em;
  overflow-wrap: break-word;
}

kbd {
  font-family: var(--mono);
  font-size: 0.8em;
  background: var(--surface);
  border: 1px solid var(--edge);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.1em 0.4em;
  color: var(--ink);
}

/* Frase de destaque: duas réguas, sem caixa e sem aspas decorativas. */
.pull {
  margin: 34px 0;
  padding: 24px 0;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--accent);
  text-wrap: balance;
}

/* ------------------------------------------------------------------
   Índice
   ------------------------------------------------------------------ */
.toc {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
}

.toc > summary {
  cursor: pointer;
  color: var(--ink);
  padding: 12px 0;
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}
.toc li {
  counter-increment: toc;
  margin: 0;
}

.toc a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 4px;
  padding: 5px 0;
  color: var(--soft);
  text-decoration: none;
  border-left: 1px solid transparent;
}
.toc a::before {
  content: counter(toc);
  padding-left: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--edge-hi);
}
.toc a:hover {
  color: var(--ink);
}
.toc a[aria-current="true"] {
  color: var(--accent);
  border-left-color: var(--accent);
}

@media (min-width: 1000px) {
  .toc {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    padding-bottom: 32px;
  }
  .toc > summary {
    display: none;
  }
}

@media (max-width: 999px) {
  .toc {
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 0 16px;
    margin-bottom: 48px;
  }
  .toc[open] > summary {
    border-bottom: 1px solid var(--rule);
    margin-bottom: 10px;
  }
  .toc ol {
    padding-bottom: 14px;
  }
}

/* ------------------------------------------------------------------
   Callouts
   ------------------------------------------------------------------ */
.note {
  margin: 26px 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--edge-hi);
  border-radius: 0 8px 8px 0;
  font-size: 15.5px;
  line-height: 1.6;
}

.note__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--soft);
}
.note__icon {
  width: 15px;
  height: 15px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.note--tip {
  border-left-color: var(--accent);
}
.note--tip .note__label {
  color: var(--accent);
}
.note--good {
  border-left-color: var(--ok);
}
.note--good .note__label {
  color: var(--ok);
}
.note--warn {
  border-left-color: var(--warn);
}
.note--warn .note__label {
  color: var(--warn);
}
.note--bad {
  border-left-color: var(--bad);
}
.note--bad .note__label {
  color: var(--bad);
}
.note--review {
  border-left-color: var(--review);
}
.note--review .note__label {
  color: var(--review);
}
.note--market {
  border-left-color: var(--edge-hi);
}

/* ------------------------------------------------------------------
   Figuras
   ------------------------------------------------------------------ */
.prose figure {
  margin: 34px 0;
}

.prose figure img {
  width: 100%;
  border: 1px solid var(--edge);
  border-radius: 8px;
  cursor: zoom-in;
}

figcaption {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 14px;
  line-height: 1.55;
  color: var(--soft);
}
figcaption b {
  color: var(--ink);
  font-weight: 600;
}
figcaption .look {
  display: block;
  margin-top: 8px;
  padding-left: 14px;
  border-left: 1px solid var(--edge);
}

/* ------------------------------------------------------------------
   Código em bloco
   ------------------------------------------------------------------ */
.prose pre {
  margin: 22px 0;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
  color: var(--ink);
}
.prose pre code {
  font-size: inherit;
  background: none;
  border: 0;
  padding: 0;
}

.code-title {
  display: block;
  margin: 22px 0 -14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--soft);
}
.code-title + pre {
  margin-top: 10px;
}

pre .add {
  color: var(--ok);
}
pre .del {
  color: var(--bad);
}
pre .cmt {
  color: var(--soft);
}

/* ------------------------------------------------------------------
   Tabelas
   ------------------------------------------------------------------ */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}
.prose th,
.prose td {
  text-align: left;
  vertical-align: top;
  padding: 12px 18px 12px 0;
  border-bottom: 1px solid var(--rule);
}
.prose th {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  border-bottom-color: var(--edge);
}
.prose tbody tr:last-child td {
  border-bottom: 0;
}

/* ------------------------------------------------------------------
   Diagramas
   ------------------------------------------------------------------ */
.diagram svg {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg);
}
.diagram text {
  font-family: var(--sans);
  color: var(--ink);
}
.diagram .bg {
  fill: var(--bg);
}
.diagram .label {
  fill: var(--ink);
  font-size: 13px;
  font-weight: 500;
}
.diagram .sub {
  fill: var(--soft);
  color: var(--soft);
  font-size: 11.5px;
}
.diagram .line-main {
  stroke: var(--edge-hi);
  stroke-width: 2.5;
  fill: none;
}
.diagram .line-feat {
  stroke: var(--accent);
  stroke-width: 2.5;
  fill: none;
}
.diagram .dot-main {
  fill: var(--bg);
  stroke: var(--edge-hi);
  stroke-width: 2.5;
}
.diagram .dot-feat {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 2.5;
}
.diagram .dot-merge {
  fill: var(--accent);
  stroke: var(--accent);
  stroke-width: 2.5;
}

/* ------------------------------------------------------------------
   Cadeia de etapas: A → B → C
   ------------------------------------------------------------------ */
.flowsteps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 24px 0;
  font-family: var(--mono);
  font-size: 12px;
}
.flowsteps li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.flowsteps li::after {
  content: "→";
  color: var(--edge-hi);
}
.flowsteps li:last-child::after {
  content: none;
}
.flowsteps b {
  display: inline-block;
  padding: 5px 10px;
  font-weight: 400;
  color: var(--body);
  background: var(--surface);
  border: 1px solid var(--edge);
  border-radius: 6px;
}
.flowsteps .is-key b {
  color: var(--accent);
  border-color: var(--accent);
}
.flowsteps .is-auto b {
  border-style: dashed;
}

/* ------------------------------------------------------------------
   Comparações lado a lado
   ------------------------------------------------------------------ */
.compare {
  display: grid;
  gap: 20px;
  margin: 24px 0;
}
@media (min-width: 700px) {
  .compare {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}
.compare > * {
  margin: 0;
}
.compare h4 {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.compare pre {
  margin: 0;
  font-size: 12px;
}
.compare__note {
  font-size: 15px;
}
.compare__bad h4 {
  color: var(--bad);
}
.compare__good h4 {
  color: var(--ok);
}

/* ------------------------------------------------------------------
   Etapas com explicação
   ------------------------------------------------------------------ */
.stages {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  border-left: 1px solid var(--edge);
}
.stages li {
  position: relative;
  margin: 0;
  padding: 0 0 26px 24px;
}
.stages li:last-child {
  padding-bottom: 0;
}
.stages li::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.stages h4 {
  margin: 0 0 8px;
  font-size: 15px;
}
.stages p {
  font-size: 15.5px;
}

/* ------------------------------------------------------------------
   Checklists
   ------------------------------------------------------------------ */
.checklist {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  font-size: 15.5px;
  border-top: 1px solid var(--rule);
}
.checklist li {
  position: relative;
  margin: 0;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--rule);
  line-height: 1.5;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--edge-hi);
  border-radius: 3px;
}

/* ------------------------------------------------------------------
   Listas de definição: glossário, boas práticas, erros
   ------------------------------------------------------------------ */
.deflist {
  margin: 24px 0 0;
}
.deflist div {
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}
.deflist dt {
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 600;
  font-size: 15.5px;
}
.deflist dd {
  margin: 0;
  font-size: 15.5px;
}

/* ------------------------------------------------------------------
   Citações e referências
   ------------------------------------------------------------------ */
.cit {
  font-size: 0.92em;
  color: var(--soft);
  text-decoration: none;
  white-space: nowrap;
}
.cit:hover {
  color: var(--accent);
  text-decoration: underline;
}

.refs {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.55;
}
.refs li {
  margin-bottom: 16px;
}
.refs b {
  color: var(--ink);
  font-weight: 600;
}
.refs a {
  overflow-wrap: anywhere;
}
.refs li:target {
  background: var(--surface);
  box-shadow: 0 0 0 8px var(--surface);
  border-radius: 2px;
}

/* ------------------------------------------------------------------
   Rodapé do artigo
   ------------------------------------------------------------------ */
.colophon {
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.6;
  color: var(--soft);
}
.colophon p {
  max-width: 68ch;
}
.colophon a {
  text-decoration: underline;
  text-underline-offset: 2px;
}
.colophon b {
  color: var(--body);
}

/* ------------------------------------------------------------------
   Lightbox das capturas
   ------------------------------------------------------------------ */
dialog.lightbox {
  border: 0;
  padding: 0;
  max-width: 96vw;
  max-height: 96vh;
  background: transparent;
}
dialog.lightbox::backdrop {
  background: rgb(6 6 6 / 88%);
}
dialog.lightbox img {
  display: block;
  max-width: 96vw;
  max-height: 92vh;
  width: auto;
  border-radius: 8px;
  cursor: zoom-out;
}
dialog.lightbox p {
  margin: 12px auto 0;
  max-width: 70ch;
  font-size: 13px;
  line-height: 1.5;
  color: var(--body);
  text-align: center;
}

@media (max-width: 700px) {
  dialog.lightbox {
    max-width: 100vw;
    max-height: 100vh;
    overflow: auto;
  }
  dialog.lightbox img {
    max-width: none;
    max-height: none;
    width: 900px;
    cursor: default;
  }
  dialog.lightbox p {
    display: none;
  }
}

@media print {
  .toc,
  dialog.lightbox {
    display: none;
  }
}