/* main.art: o texto do artigo em HTML. Esta folha vale no site e nos arquivos exportados (HTML e PDF),
   então só depende das variáveis de cor do tema (com valores próprios no arquivo exportado).
   Modelo, colunas, fonte, tamanho e cores vêm do cabeçalho do main.art (atributos data-* e variáveis --art-*). */

@font-face { font-family: "Nosso CM Serif"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("../fonts/nosso-cm-serif-500-roman.woff2") format("woff2"); }
@font-face { font-family: "Nosso CM Serif"; font-style: italic; font-weight: 400 600; font-display: swap; src: url("../fonts/nosso-cm-serif-500-italic.woff2") format("woff2"); }
@font-face { font-family: "Nosso CM Serif"; font-style: normal; font-weight: 700 900; font-display: swap; src: url("../fonts/nosso-cm-serif-700-roman.woff2") format("woff2"); }
@font-face { font-family: "Nosso CM Serif"; font-style: italic; font-weight: 700 900; font-display: swap; src: url("../fonts/nosso-cm-serif-700-italic.woff2") format("woff2"); }

.art-doc {
  --a-ink: var(--art-ink, var(--ink));
  --a-muted: color-mix(in srgb, var(--a-ink) 72%, transparent);
  --a-head: var(--art-head, var(--a-ink));
  --a-accent: var(--art-accent, var(--primary));
  --a-soft: color-mix(in srgb, var(--a-ink) 5%, transparent);
  --a-line: color-mix(in srgb, var(--a-ink) 18%, transparent);
  font-family: var(--art-font, var(--t-font, var(--sans)));
  font-size: var(--art-size, var(--t-size, 1.02rem));
  line-height: var(--t-leading, 1.7); color: var(--a-ink);
  max-width: var(--t-measure, 46rem); margin: 0 auto; padding: 1.5rem 1.75rem 3rem;
}
.art-doc::after { content: ""; display: block; clear: both; }
.art-doc h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -0.02em; margin: 0.4rem 0 0.75rem; color: var(--a-head); line-height: 1.2; }
.art-doc h2 { font-size: 1.3em; margin: 1.6em 0 0.6em; color: var(--a-head); break-after: avoid; }
.art-doc h3 { font-size: 1.1em; margin: 1.3em 0 0.5em; color: var(--a-head); break-after: avoid; }
.art-doc p { margin: 0 0 0.9em; }
.art-doc blockquote { margin: 0 0 1rem; padding: 0.6rem 1rem; border-left: 3px solid var(--a-accent); background: var(--a-soft); color: var(--a-muted); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.art-doc blockquote p:last-child { margin: 0; }
.art-doc ul, .art-doc ol { padding-left: 1.4rem; margin: 0 0 0.9em; }
.art-doc a { color: var(--a-accent); }
.art-doc pre { background: var(--a-soft); border: 1px solid var(--a-line); border-radius: var(--radius-sm); padding: 0.75rem 1rem; overflow-x: auto; font-size: 0.85rem; }
.art-doc code { font-family: var(--mono); font-size: 0.88em; }
.art-doc table { border-collapse: collapse; margin: 0 0 1rem; font-size: 0.92em; }
.art-doc th, .art-doc td { border: 1px solid var(--a-line); padding: 0.35rem 0.6rem; }
.art-doc img, .art-doc video { max-width: 100%; }
.art-math { overflow-x: auto; overflow-y: hidden; margin: 0.4rem 0 1rem; break-inside: avoid; }
.art-tex-error { color: var(--danger); }
.art-block { margin: 0.35rem 0 1rem; width: var(--w, 40%); position: relative; break-inside: avoid; }
.art-block.art-left { float: left; margin-right: 1.5rem; clear: left; }
.art-block.art-right { float: right; margin-left: 1.5rem; clear: right; }
.art-block.art-center { margin-left: auto; margin-right: auto; clear: both; }
.art-block img, .art-block video { display: block; width: 100%; height: auto; border-radius: var(--radius-sm); background: var(--a-soft); }
.art-embed { position: relative; aspect-ratio: 16 / 9; }
.art-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: var(--radius-sm); }
.art-block figcaption { font-size: 0.82em; line-height: 1.45; color: var(--a-muted); margin-top: 0.4rem; }
.art-missing { padding: 1rem; border: 1px dashed var(--a-line); border-radius: var(--radius-sm); font-size: 0.85em; color: var(--a-muted); }
.art-pop { position: relative; }
.art-pop-term { all: unset; cursor: help; border-bottom: 2px dotted var(--a-accent); color: inherit; }
.art-pop-term:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.art-pop-body {
  position: absolute; left: 50%; bottom: calc(100% + 0.4rem); transform: translateX(-50%); width: max-content; max-width: min(20rem, 70vw);
  background: var(--ink); color: var(--bg); font-size: 0.82rem; line-height: 1.45; padding: 0.55rem 0.75rem; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); z-index: 20; white-space: normal; text-align: left;
}
.art-pop-body[hidden] { display: none; }
/* o texto longo rola dentro do popup (a seta fica de fora); no fim da rolagem a página não rola junto */
.art-pop-scroll { display: block; max-height: min(45vh, 16rem); overflow-y: auto; overscroll-behavior: contain; }
.art-pop-scroll::-webkit-scrollbar { width: 8px; }
.art-pop-scroll::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--bg) 45%, transparent); border-radius: 4px; }
.art-pop-body::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -6px; border: 6px solid transparent; border-top-color: var(--ink); }
/* cópia solta no <body> (ver wirePopups): posição fixa na tela, acima de tudo, nunca cortada */
.art-pop-body.art-pop-float { position: fixed; left: 0; top: 0; bottom: auto; transform: none; z-index: 1000; max-width: min(20rem, calc(100vw - 16px)); }
.art-pop-float::after { left: var(--arrow-x, 50%); }
.art-pop-float.is-below::after { top: auto; bottom: 100%; border-top-color: transparent; border-bottom-color: var(--ink); }
@media print { .art-pop-float { display: none !important; } }
.art-doc.mini { font-size: calc(var(--art-size, var(--t-size, 1.02rem)) * 0.76); padding: 0.75rem 1rem 1.5rem; columns: auto; max-width: none; }
.art-doc.mini h1 { font-size: 1.5em; }
.art-doc.mini h2 { font-size: 1.2em; margin-top: 1em; }


/* ---------------------------------------------------------------- fontes */
.art-doc[data-fonte="latex"] { --art-font: "Nosso CM Serif", "CMU Serif", "Latin Modern Roman", serif; }
.art-doc[data-fonte="times"] { --art-font: "Times New Roman", "TeX Gyre Termes", "Nimbus Roman", "Liberation Serif", Times, serif; }
.art-doc[data-fonte="georgia"] { --art-font: Georgia, Charter, "Bitstream Charter", "Noto Serif", serif; }
.art-doc[data-fonte="inter"] { --art-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; }
.art-doc[data-fonte="atkinson"] { --art-font: "Atkinson Hyperlegible", "Inter", system-ui, sans-serif; }
.art-doc[data-fonte="mono"] { --art-font: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace; }

/* ---------------------------------------------------------------- papel: modelos acadêmicos e cores próprias */
.art-doc.is-paper {
  --ink: #1b1b1b; --bg: #ffffff; --primary: #b4471b; --focus: #bd3315;
  color-scheme: light; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 8px 28px rgba(0, 0, 0, 0.08);
  margin-block: 1.25rem; border-radius: 2px;
}
.art-doc.is-paper.mini { margin: 0; box-shadow: none; border-radius: 0; }

/* ---------------------------------------------------------------- duas colunas */
.art-doc[data-colunas="2"] { columns: 2; column-gap: 2.2em; max-width: var(--t-measure-2, 62rem); }
.art-doc[data-colunas="2"] :is(.art-title, .art-authors, .art-abstract, .art-block.is-wide) { column-span: all; }
.art-doc[data-colunas="2"] .art-block.art-left, .art-doc[data-colunas="2"] .art-block.art-right { width: min(var(--w), 100%); }
.art-doc[data-colunas="2"] .art-block.is-wide { margin-block: 0.8rem 1.2rem; }
@media screen and (max-width: 760px) { .art-doc[data-colunas="2"] { columns: auto; } }

/* ---------------------------------------------------------------- modelo LaTeX (article) */
.art-doc[data-modelo="latex"] { --t-font: "Nosso CM Serif", "CMU Serif", "Latin Modern Roman", serif; --t-size: 11pt; --t-leading: 1.45; --t-measure: 40rem; --t-measure-2: 58rem; text-align: justify; hyphens: auto; }
.art-doc[data-modelo="latex"] p { margin: 0; text-indent: 1.5em; }
.art-doc[data-modelo="latex"] :is(h1, h2, h3, blockquote, .art-block, .art-math, ul, ol, pre, table) + p,
.art-doc[data-modelo="latex"] .art-authors, .art-doc[data-modelo="latex"] blockquote p { text-indent: 0; }
.art-doc[data-modelo="latex"] .art-title { font-size: 1.75em; font-weight: 400; letter-spacing: 0; text-align: center; margin: 1.2em 0 0.8em; }
.art-doc[data-modelo="latex"] .art-authors { text-align: center; font-size: 1.15em; margin-bottom: 1.4em; }
.art-doc[data-modelo="latex"] .art-authors strong { font-weight: 400; }
.art-doc[data-modelo="latex"] .art-abstract { background: none; border: 0; color: inherit; font-size: 0.9em; margin: 0 2.5em 1.8em; padding: 0; text-align: justify; }
.art-doc[data-modelo="latex"] .art-abstract::before { content: attr(data-resumo); display: block; text-align: center; font-weight: 700; margin-bottom: 0.4em; }
.art-doc[data-modelo="latex"] h2 { font-size: 1.2em; margin: 1.6em 0 0.7em; }
.art-doc[data-modelo="latex"] h3 { font-size: 1.05em; }

/* ---------------------------------------------------------------- modelo APS (Physical Review, REVTeX) */
.art-doc[data-modelo="aps"] { --t-font: "Times New Roman", "TeX Gyre Termes", "Nimbus Roman", "Liberation Serif", Times, serif; --t-size: 10pt; --t-leading: 1.38; --t-measure: 40rem; --t-measure-2: 62rem; text-align: justify; hyphens: auto; }
.art-doc[data-modelo="aps"] p { margin: 0; text-indent: 1.2em; }
.art-doc[data-modelo="aps"] :is(h1, h2, h3, blockquote, .art-block, .art-math, ul, ol, pre, table) + p,
.art-doc[data-modelo="aps"] .art-authors, .art-doc[data-modelo="aps"] blockquote p { text-indent: 0; }
.art-doc[data-modelo="aps"] .art-title { font-size: 1.45em; font-weight: 700; letter-spacing: 0; text-align: center; margin: 0.8em 2em 0.7em; }
.art-doc[data-modelo="aps"] .art-authors { text-align: center; margin-bottom: 1em; }
.art-doc[data-modelo="aps"] .art-authors strong { font-weight: 400; font-variant: small-caps; }
.art-doc[data-modelo="aps"] .art-abstract { background: none; border: 0; color: inherit; margin: 0 4em 1.8em; padding: 0; text-align: justify; }
.art-doc[data-modelo="aps"] h2 { font-size: 1em; font-weight: 700; text-transform: uppercase; text-align: center; margin: 1.5em 0 0.8em; letter-spacing: 0.02em; }
.art-doc[data-modelo="aps"] h3 { font-size: 1em; font-weight: 700; text-align: center; margin: 1.2em 0 0.6em; }
.art-doc[data-modelo="aps"] .art-block figcaption { text-align: justify; }

/* ---------------------------------------------------------------- modelo IEEE */
.art-doc[data-modelo="ieee"] { --t-font: "Times New Roman", "TeX Gyre Termes", "Nimbus Roman", "Liberation Serif", Times, serif; --t-size: 10pt; --t-leading: 1.32; --t-measure: 40rem; --t-measure-2: 62rem; text-align: justify; hyphens: auto; }
.art-doc[data-modelo="ieee"] p { margin: 0; text-indent: 1em; }
.art-doc[data-modelo="ieee"] :is(h1, h2, h3, blockquote, .art-block, .art-math, ul, ol, pre, table) + p,
.art-doc[data-modelo="ieee"] .art-authors, .art-doc[data-modelo="ieee"] blockquote p { text-indent: 0; }
.art-doc[data-modelo="ieee"] .art-title { font-size: 2.2em; font-weight: 400; letter-spacing: 0; text-align: center; margin: 0.6em 0 0.5em; }
.art-doc[data-modelo="ieee"] .art-authors { text-align: center; font-size: 1.1em; margin-bottom: 1.2em; }
.art-doc[data-modelo="ieee"] .art-authors strong { font-weight: 400; }
.art-doc[data-modelo="ieee"] .art-abstract { background: none; border: 0; color: inherit; margin: 0 0 1.4em; padding: 0; font-weight: 700; font-size: 0.9em; text-align: justify; }
.art-doc[data-modelo="ieee"] .art-abstract p:first-child::before { content: attr(data-resumo) "\2014"; font-style: italic; }
.art-doc[data-modelo="ieee"] .art-abstract p { font-weight: 700; }
.art-doc[data-modelo="ieee"] h2 { font-size: 1em; font-weight: 400; font-variant: small-caps; text-align: center; margin: 1.3em 0 0.6em; letter-spacing: 0.03em; }
.art-doc[data-modelo="ieee"] h3 { font-size: 1em; font-weight: 400; font-style: italic; margin: 1em 0 0.4em; }

/* ---------------------------------------------------------------- modelo Revista (uma coluna, títulos sem serifa) */
.art-doc[data-modelo="revista"] { --t-font: Georgia, Charter, "Bitstream Charter", "Noto Serif", serif; --t-size: 1.06rem; --t-leading: 1.65; --t-measure: 42rem; }
.art-doc[data-modelo="revista"] :is(h1, h2, h3, .art-authors, figcaption) { font-family: "Inter", system-ui, sans-serif; }
.art-doc[data-modelo="revista"] .art-title { font-size: 2.3em; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.art-doc[data-modelo="revista"] .art-authors { font-size: 0.92em; color: var(--a-muted); }
.art-doc[data-modelo="revista"] .art-abstract { background: none; border: 0; padding: 0; color: inherit; font-size: 1.12em; font-weight: 600; line-height: 1.5; margin-bottom: 1.6em; }
.art-doc[data-modelo="revista"] h2 { font-size: 1.15em; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; color: var(--a-accent); }

/* ---------------------------------------------------------------- impressão e PDF */
.art-notes { margin-top: 2em; padding-top: 0.8em; border-top: 1px solid var(--a-line); font-size: 0.85em; column-span: all; }
.art-notes ol { padding-left: 1.4em; }
.art-print-media { padding: 0.8em 1em; border: 1px solid var(--a-line); border-radius: 4px; font-size: 0.85em; color: var(--a-muted); word-break: break-all; }
.art-fn { font-size: 0.72em; vertical-align: super; line-height: 0; margin-left: 0.1em; color: var(--a-accent); }

/* ---------------------------------------------------------------- numeração, rótulos e referências */
.art-secnum { margin-right: 0.6em; font-variant-numeric: tabular-nums; }
.art-doc[data-modelo="latex"] .art-secnum { margin-right: 1em; }
.art-doc[data-modelo="aps"] .art-secnum, .art-doc[data-modelo="ieee"] .art-secnum { margin-right: 0.5em; }
.art-eq { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 1rem; }
.art-eq-body { min-width: 0; overflow-x: auto; overflow-y: hidden; }
.art-eq-num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.art-eq:not(.is-numbered) { grid-template-columns: minmax(0, 1fr); }
.art-eq:not(.is-numbered) .art-eq-num { display: none; }
.art-cap-label { font-weight: 700; color: var(--a-ink); margin-right: 0.35em; }
.art-cap-label:empty { display: none; }
.art-table { margin: 0.6rem 0 1.2rem; break-inside: avoid; overflow-x: auto; clear: both; }
.art-table figcaption { font-size: 0.86em; line-height: 1.45; color: var(--a-muted); margin-bottom: 0.45rem; text-align: center; }
.art-table table { margin: 0 auto; }
.art-doc[data-modelo="latex"] .art-table th, .art-doc[data-modelo="latex"] .art-table td,
.art-doc[data-modelo="aps"] .art-table th, .art-doc[data-modelo="aps"] .art-table td { border: 0; padding: 0.25rem 0.75rem; }
.art-doc[data-modelo="latex"] .art-table table, .art-doc[data-modelo="aps"] .art-table table { border-top: 1.5px solid var(--a-ink); border-bottom: 1.5px solid var(--a-ink); }
.art-doc[data-modelo="latex"] .art-table thead, .art-doc[data-modelo="aps"] .art-table thead { border-bottom: 1px solid var(--a-ink); }
.art-env { margin: 0.6em 0 1em; clear: both; }
.art-env > :last-child { margin-bottom: 0; }
.art-env-head strong { font-weight: 700; }
.art-env-teorema, .art-env-lema, .art-env-proposicao, .art-env-corolario { font-style: italic; }
.art-env-teorema .art-env-head, .art-env-lema .art-env-head, .art-env-proposicao .art-env-head, .art-env-corolario .art-env-head { font-style: normal; }
.art-env-demonstracao .art-env-head strong { font-weight: 400; font-style: italic; }
.art-env-demonstracao > :last-child::after { content: "\220E"; float: right; margin-left: 1em; }
.art-env-destaque, .art-env-nota { padding: 0.7em 1em; border: 1px solid var(--a-line); border-left: 3px solid var(--a-accent); border-radius: var(--radius-sm); background: var(--a-soft); }
.art-doc[data-modelo] .art-env p { text-indent: 0; }
.art-ref, .art-cite { text-decoration: none; hyphens: none; white-space: nowrap; }
.art-ref:hover, .art-cite:hover { text-decoration: underline; }
.art-ref-missing { color: var(--danger); font-weight: 700; cursor: help; }
.art-dup-label { outline: 2px dashed var(--danger); outline-offset: 3px; }
.art-flash { animation: art-flash 1.6s ease-out; }
@keyframes art-flash { from { background: color-mix(in srgb, var(--a-accent) 22%, transparent); } to { background: transparent; } }
@media (prefers-reduced-motion: reduce) { .art-flash { animation: none; outline: 2px solid var(--a-accent); } }
.art-fn-mark sup { color: var(--a-accent); font-weight: 700; }
.art-fn-back { text-decoration: none; margin-left: 0.2em; }
.art-bib, .art-toc { margin-top: 2em; column-span: all; }
.art-bib h2, .art-toc h2 { font-size: 1.15em; }
.art-bib-list { font-size: 0.9em; padding-left: 1.8em; }
.art-bib-list li { margin-bottom: 0.4em; overflow-wrap: anywhere; }
.art-bib-list.is-autor-ano { list-style: none; padding-left: 1.5em; text-indent: -1.5em; }
.art-toc { margin: 1em 0 1.6em; }
.art-toc ul { list-style: none; padding-left: 0; }
.art-toc li.lvl-1 { padding-left: 1.5em; font-size: 0.95em; }
.art-toc a { text-decoration: none; color: inherit; }
.art-toc a:hover { color: var(--a-accent); text-decoration: underline; }
.art-peek {
  position: fixed; z-index: 1000; max-height: min(60vh, 26rem); overflow: hidden; padding: 0.8rem 1rem; margin: 0;
  background: var(--card, #fff); border: 1px solid var(--a-line); border-radius: var(--radius-sm, 6px); box-shadow: var(--shadow-md);
  font-size: 0.9rem; columns: auto !important; text-align: left; overflow-y: auto; overscroll-behavior: contain;
}
.art-peek > * { margin: 0 !important; width: auto !important; float: none !important; }
.art-peek img { max-height: 14rem; object-fit: contain; }
.art-peek-section > * { margin: 0 0 0.6em !important; }
.art-peek-section > :is(h1, h2, h3, h4) { font-size: 1.05em !important; margin: 0 0 0.5em !important; }
.art-peek-section .art-block, .art-peek-section .art-table { float: none !important; width: auto !important; max-width: 100%; margin: 0.4em 0 0.6em !important; }
.art-peek-more { color: var(--a-muted); font-style: italic; font-size: 0.9em; }
.art-peek.is-cite { max-height: min(70vh, 30rem); }
.art-peek p { text-indent: 0 !important; }
.art-peek-actions { margin: 0.6em 0 0 !important; font-size: 0.92em; font-family: var(--sans); }
.art-peek-actions a { font-weight: 600; }
/* referência a um rótulo de outro .tex do projeto (Eq. (3) de derivacao.tex) */
.art-ref.is-ext { text-decoration: underline dotted; text-underline-offset: 0.2em; }
.art-ext-src { font-size: 0.85em; color: var(--a-muted, #6b6b6b); }
.art-ext-from { margin: 0.5em 0 0 !important; font-size: 0.85em; color: var(--a-muted, #6b6b6b); font-family: var(--sans); }
.art-ext-def .art-eq { margin: 0.2em 0; }
/* cartão da citação: título, autores, DOI, resumo e links */
.art-cite-card > p { margin: 0 0 0.3em; text-indent: 0; }
.art-cite-title { font-weight: 700; font-size: 1.02em; line-height: 1.3; }
.art-cite-who { font-size: 0.92em; }
.art-cite-venue, .art-cite-doi { font-size: 0.88em; color: var(--a-muted, #6b6b6b); }
.art-cite-doi code { font-size: 0.95em; overflow-wrap: anywhere; }
.art-cite-abstract { margin-top: 0.5em; padding-top: 0.5em; border-top: 1px solid var(--a-line); font-size: 0.9em; }
.art-cite-abstract strong { display: block; font-size: 0.85em; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.2em; }
.art-cite-abstract p { margin: 0; text-align: justify; hyphens: auto; }
@media print { .art-peek { display: none; } .art-fn-back { display: none; } }