/* Site acadêmico de Luiz Eduardo Dias Cardoso
   Identidade acadêmica própria (separada da identidade do escritório).
   Tokens compartilhados por todas as páginas; as ferramentas usam os mesmos valores. */
:root{
  --bg:#F4F6F8; --surface:#FFFFFF; --fg:#18202C; --muted:#5A6476; --rule:#D8DDE4;
  --accent:#2E5B88; --accent-soft:#D6E2EE; --mark:#9A6510; --mark-soft:#F3E4C8;
  --display:"Newsreader",Georgia,"Times New Roman",serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --maxw:1080px; --textw:72ch;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#11151B; --surface:#181D25; --fg:#E5E9EF; --muted:#9AA4B4; --rule:#2B323D;
  --accent:#7FA7D3; --accent-soft:#25344A; --mark:#E2AE57; --mark-soft:#3A2F1C; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#11151B; --surface:#181D25; --fg:#E5E9EF; --muted:#9AA4B4; --rule:#2B323D;
  --accent:#7FA7D3; --accent-soft:#25344A; --mark:#E2AE57; --mark-soft:#3A2F1C; color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
img{max-width:100%;height:auto}

.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--surface);padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}

/* Cabeçalho */
.site-header{background:var(--surface);border-bottom:1px solid var(--rule)}
.site-header .in{max-width:var(--maxw);margin:0 auto;padding:12px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px}
.brand{font-family:var(--display);font-weight:600;font-size:20px;color:var(--fg);text-decoration:none;line-height:1.2;margin-right:auto}
.brand small{display:block;font-family:var(--body);font-weight:400;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;flex-wrap:wrap;gap:2px 4px;margin:0;padding:0;list-style:none}
.nav a{display:block;padding:6px 10px;border-radius:6px;color:var(--fg);text-decoration:none;font-size:14.5px}
.nav a:hover{background:var(--accent-soft)}
.nav a[aria-current="page"]{color:var(--accent);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.theme-btn{font:500 13px var(--body);border:1px solid var(--rule);background:var(--surface);color:var(--muted);border-radius:999px;padding:5px 11px;cursor:pointer}
.theme-btn:hover{color:var(--fg)}
@media (max-width:760px){
  .site-header nav{order:3;flex:1 1 100%;min-width:0}
  .nav{width:100%;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .nav a{white-space:nowrap}
}

/* Conteúdo */
main{max-width:var(--maxw);margin:0 auto;padding:32px 16px 64px}
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;text-wrap:balance}
h1{font-size:clamp(30px,5vw,46px);margin:0 0 12px}
h2{font-size:clamp(23px,3vw,28px);margin:40px 0 12px}
h3{font-size:20px;margin:28px 0 8px}
.lede{font-size:18px;color:var(--muted);max-width:var(--textw);margin:0}
.prose{max-width:var(--textw)}
.prose p,.prose li{max-width:var(--textw)}
.prose blockquote{margin:16px 0;padding:10px 16px;border-left:3px solid var(--accent);background:var(--surface);color:var(--fg)}
.prose blockquote p{margin:0}
hr{border:0;border-top:1px solid var(--rule);margin:32px 0}

/* Cartões */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:20px 0}
.card{display:block;background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:18px;color:var(--fg);text-decoration:none;min-width:0}
a.card:hover{border-color:var(--accent)}
.card h3{margin:0 0 6px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.5}
.card .tag{display:inline-block;font:500 11px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--mark);background:var(--mark-soft);border-radius:999px;padding:2px 8px;margin-bottom:8px}

/* Início */
.hero{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;padding:8px 0 8px}
.hero h1{font-size:clamp(34px,6vw,56px)}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.facts li{font-size:13.5px;border:1px solid var(--rule);background:var(--surface);border-radius:999px;padding:4px 12px;color:var(--muted)}

/* Listas acadêmicas */
.refs{list-style:none;margin:0;padding:0;max-width:var(--textw)}
.refs li{padding:12px 0;border-bottom:1px solid var(--rule)}
.refs li:last-child{border-bottom:0}
.refs .t{font-weight:600}
.refs .m{display:block;color:var(--muted);font-size:14.5px}
.refs .y{font:500 13px var(--mono);color:var(--mark);margin-right:8px}
.cv{list-style:none;margin:0;padding:0;max-width:var(--textw)}
.cv li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;padding:10px 0;border-bottom:1px solid var(--rule)}
.cv li:last-child{border-bottom:0}
.cv .d{font:500 13.5px var(--mono);color:var(--muted);padding-top:2px}
.cv .w strong{display:block}
.cv .w span{color:var(--muted);font-size:14.5px}
@media (max-width:520px){.cv li{grid-template-columns:minmax(0,1fr);gap:2px}}
.toc{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 8px;padding:0;list-style:none}
.toc a{display:block;font-size:13.5px;border:1px solid var(--rule);background:var(--surface);border-radius:999px;padding:4px 12px;text-decoration:none}
.toc a:hover{border-color:var(--accent)}
.note{font-size:14px;color:var(--muted);background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--mark);border-radius:6px;padding:12px 16px;max-width:var(--textw)}
.links{columns:2 260px;column-gap:32px;padding-left:18px;max-width:var(--maxw)}
.links li{break-inside:avoid;margin-bottom:4px}

/* Rodapé */
.site-footer{border-top:1px solid var(--rule);background:var(--surface)}
.site-footer .in{max-width:var(--maxw);margin:0 auto;padding:24px 16px 32px;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
.site-footer p{margin:0}
.site-footer a{color:var(--muted)}
/* Publicações: filtro e etiquetas por tema */
.filtro{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0 4px}
.filtro .lbl{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.filtro .chip{font:500 13px var(--body);border:1px solid var(--rule);background:var(--surface);color:var(--fg);border-radius:999px;padding:5px 12px;cursor:pointer}
.filtro .chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--surface)}
.filtro .cnt{font-size:13px;color:var(--muted);margin-left:4px}
.refs .ttags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.ttag{font:500 11px var(--mono);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:2px 8px;color:var(--accent);background:var(--accent-soft)}
.ttag-aed{color:var(--mark);background:var(--mark-soft)}
.ttag-outros{color:var(--muted);background:transparent;border:1px solid var(--rule)}
.ttag-processo{background:transparent;border:1px solid var(--accent)}
.filtro .chip:disabled{opacity:.45;cursor:default}
/* Publicações: resumo recolhível */
.refs details.resumo{margin-top:6px}
.refs details.resumo summary{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font:500 12.5px var(--body);letter-spacing:.04em;text-transform:uppercase;color:var(--accent);list-style:none}
.refs details.resumo summary::-webkit-details-marker{display:none}
.refs details.resumo summary::before{content:"";width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .15s}
.refs details.resumo[open] summary::before{transform:rotate(90deg)}
.refs details.resumo .txt{margin:8px 0 2px;padding:10px 14px;border-left:2px solid var(--mark);background:var(--surface);font-size:14.5px;line-height:1.6;color:var(--fg)}
.refs details.resumo .txt p{margin:0 0 8px}
.refs details.resumo .txt p:last-child{margin-bottom:0}
.refs details.resumo .lang{display:block;font:500 11px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-top:10px}
.refs details.resumo .fonte{display:block;font-size:12.5px;color:var(--muted);margin-top:8px}
@media (prefers-reduced-motion:reduce){.refs details.resumo summary::before{transition:none}}

/* ===== Prévia visual de 11/10/2026 (protótipos A, C, D, F e H aprovados) ===== */
/* A. Papel, serifada no corpo, cabeçalho em versalete */
:root{--bg:#FAF7F0; --rule:#E6E0D4; --textw:43rem; --accent-deep:#1F4266}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#11151B; --rule:#2B323D; --accent-deep:#0B1622}}
:root[data-theme="dark"]{--bg:#11151B; --rule:#2B323D; --accent-deep:#0B1622}
body{font-family:var(--display);font-size:17px;line-height:1.66}
body.app{font-family:var(--body);font-size:16px;line-height:1.6}
h1,h2,h3{font-weight:500}
.site-header{background:var(--bg);position:sticky;top:env(safe-area-inset-top,0px);z-index:20}
.site-header .in{padding:14px 16px}
.brand{font-weight:500;font-size:23px;font-variant-caps:small-caps;letter-spacing:.05em}
.brand small{font-family:var(--display);font-size:14px;text-transform:none;font-variant-caps:small-caps;letter-spacing:.05em}
.nav a{font-family:var(--display);font-size:17px;font-variant-caps:small-caps;letter-spacing:.045em;padding:4px 8px;border-radius:0}
.nav a:hover{background:transparent;box-shadow:inset 0 -1.5px 0 var(--rule)}
.nav a[aria-current="page"]{font-weight:400;box-shadow:inset 0 -1.5px 0 var(--accent)}
.theme-btn,.filtro,.toc a,.card .tag,.ttag{font-family:var(--body)}
.eyebrow{font-family:var(--body)}
.lede{font-size:19px}
.card p{font-size:15.5px}
.site-footer{background:var(--bg)}
/* imagem histórica com legenda */
.abertura{max-width:var(--textw);margin:4px 0 28px}
.abertura img{display:block;width:100%;border:1px solid var(--rule);filter:grayscale(1) contrast(1.02)}
:root[data-theme="dark"] .abertura img{filter:grayscale(1) brightness(.82) contrast(1.05)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .abertura img{filter:grayscale(1) brightness(.82) contrast(1.05)}}
.abertura figcaption{font-size:14.5px;font-variant-caps:small-caps;letter-spacing:.045em;color:var(--muted);text-align:center;margin-top:8px}

/* C. Publicações em duas colunas */
.refs li{display:grid;grid-template-columns:5.2rem minmax(0,1fr);column-gap:18px;align-items:start}
.refs li>*{grid-column:2;min-width:0}
.refs li>.y{grid-column:1;grid-row:1/span 6;font:500 16px var(--display);font-variant-numeric:lining-nums;letter-spacing:.02em;color:var(--mark);margin:0;padding-top:2px}
.refs .t{font-weight:500;font-size:18px;line-height:1.35}
.refs .m{font-size:16px}
.refs details.resumo summary,.refs details.bib summary{font:15px var(--display);font-variant-caps:small-caps;letter-spacing:.05em;text-transform:none;color:var(--muted)}
.refs details.resumo summary::before,.refs details.bib summary::before{border-left-color:var(--mark)}
.refs details.resumo .txt{background:transparent;border-left:1px solid var(--rule);font-size:16px;color:var(--muted)}
.refs details.bib{margin-top:4px}
.refs details.bib summary{display:inline-flex;align-items:center;gap:6px;cursor:pointer;list-style:none}
.refs details.bib summary::-webkit-details-marker{display:none}
.refs details.bib summary::before{content:"";width:0;height:0;border-left:5px solid var(--mark);border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .15s}
.refs details.bib[open] summary::before{transform:rotate(90deg)}
.refs details.bib pre{font:12.5px/1.5 var(--mono);background:var(--surface);border:1px solid var(--rule);border-radius:6px;padding:10px 12px;overflow-x:auto;margin:6px 0 2px;white-space:pre}
.refs .copiar{font:500 12px var(--body);border:1px solid var(--rule);background:var(--surface);color:var(--muted);border-radius:999px;padding:2px 10px;cursor:pointer;margin-top:4px}
@media (max-width:520px){.refs li{grid-template-columns:minmax(0,1fr)}.refs li>.y{grid-column:1;grid-row:auto;padding:0}.refs li>*{grid-column:1}}

/* D. Cartões de ferramenta (ícone em círculo e sombra deslocada) */
.grid.ferr{gap:40px 22px;padding-top:22px}
.ferr .card{position:relative;background:var(--accent);border:0;border-radius:8px;padding:38px 20px 20px;box-shadow:5px 5px 0 var(--accent-deep);color:#fff;transition:transform .15s,box-shadow .15s}
.ferr a.card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--accent-deep)}
.ferr .card h3{color:inherit}
.ferr .card p{color:rgba(255,255,255,.88)}
.ferr .card .tag{background:transparent;color:inherit;border:1px solid rgba(255,255,255,.55)}
.ferr .ico{position:absolute;top:-22px;left:20px;width:44px;height:44px;border-radius:50%;background:var(--mark);display:grid;place-items:center;box-shadow:0 0 0 4px var(--bg)}
.ferr .ico svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
:root[data-theme="dark"] .ferr .card{color:#0B1420}
:root[data-theme="dark"] .ferr .card p{color:rgba(11,20,32,.85)}
:root[data-theme="dark"] .ferr .card .tag{border-color:rgba(11,20,32,.45)}
:root[data-theme="dark"] .ferr .ico svg{stroke:#0B1420}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .ferr .card{color:#0B1420}:root:not([data-theme="light"]) .ferr .card p{color:rgba(11,20,32,.85)}:root:not([data-theme="light"]) .ferr .card .tag{border-color:rgba(11,20,32,.45)}:root:not([data-theme="light"]) .ferr .ico svg{stroke:#0B1420}}
@media (prefers-reduced-motion:reduce){.ferr .card{transition:none}}

/* F. Número em destaque */
.destaques{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:24px;margin:24px 0 8px}
.destaques .n{font:400 clamp(44px,8vw,68px)/1 var(--display);letter-spacing:-.02em;font-variant-numeric:lining-nums tabular-nums;color:var(--fg)}
.destaques .n small{font-size:.36em;color:var(--muted);letter-spacing:0;margin-left:6px}
.destaques .l{margin:6px 0 0;font-size:16px;color:var(--muted)}
.destaques .s{margin:4px 0 0;font:12.5px var(--mono);color:var(--muted)}

/* H. Vitrine de ferramenta */
.vitrine{display:block;border-radius:12px;padding:clamp(16px,4vw,40px);margin:20px 0 8px;text-decoration:none;color:var(--fg);background:
  radial-gradient(120% 90% at 12% 18%,color-mix(in srgb,#2E5B88 60%,#0b1420) 0,transparent 62%),
  radial-gradient(90% 80% at 88% 92%,color-mix(in srgb,#9A6510 50%,#0b1420) 0,transparent 60%),#0f1722}
.vitrine .tela{background:var(--surface);border:1px solid var(--rule);border-radius:8px;padding:18px;max-width:44rem;margin:0 auto;display:grid;gap:10px;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.vitrine .topo{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.vitrine .topo b{font:500 19px var(--display)}
.vitrine .topo span{font:12.5px var(--body);color:var(--accent)}
.vitrine .esc{display:grid;grid-template-columns:9.5rem 1fr;gap:10px;font:11px var(--mono);color:var(--muted)}
.vitrine .esc .marcas{position:relative;height:14px}
.vitrine .esc .marcas span{position:absolute;transform:translateX(-50%)}
.vitrine .lin{display:grid;grid-template-columns:9.5rem 1fr;gap:10px;align-items:center;font:13px var(--body);color:var(--muted)}
.vitrine .lin>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vitrine .trilho{position:relative;height:10px;background:var(--bg);border-radius:5px}
.vitrine .trilho i{position:absolute;top:0;bottom:0;border-radius:5px;background:var(--accent)}
.vitrine .trilho i.d{background:transparent;border:1.5px solid var(--accent)}
.vitrine .rod{font:12px var(--mono);color:var(--muted)}
@media (max-width:520px){.vitrine .lin,.vitrine .esc{grid-template-columns:6.5rem 1fr}}
/* Prévia: cabeçalho em duas linhas (nome e tema; menu) */
.site-header .in{padding:12px 16px 6px;gap:6px 16px}
.site-header .brand{order:1}
.site-header .theme-btn{order:2}
.site-header nav{order:3;flex:1 1 100%;min-width:0}
.nav{gap:2px 10px;margin-left:-8px}
.brand{font-size:22px}
.brand small{font-size:13.5px}
.vitrine .esc .marcas span:last-child{transform:translateX(-100%)}
@media (max-width:760px){.site-header{position:static}.brand small{display:none}.brand{font-size:20px}}
/* 13/10/2026: gravura na largura do menu; quadros em tom de papel */
:root{--surface:#F3EEE4; --rule:#E3DCCD}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--surface:#181D25; --rule:#2B323D}}
:root[data-theme="dark"]{--surface:#181D25; --rule:#2B323D}
.abertura{max-width:none;width:100%;margin:4px auto 32px}
.abertura img{width:100%;height:auto;aspect-ratio:2/1;object-fit:cover}
.abertura figcaption{max-width:var(--textw);margin-left:auto;margin-right:auto}
/* 13/10/2026: menu na largura da gravura, distribuído de ponta a ponta */
@media (min-width:761px){.site-header .nav{justify-content:space-between;margin:0 -8px}}
/* 13/10/2026: mais respiro entre nome, subtítulo e menu */
.site-header .in{padding:18px 16px 10px;row-gap:14px}
.site-header .brand{line-height:1.25}
.site-header .brand small{margin-top:6px;line-height:1.3}