/* Bibliotheca Latina — ab initiis ad fontes
   Identidade: página de biblioteca humanista. Papel, tinta, rubrica vermelha e um fio de ouro. */
:root {
  --paper: #f5efe3; --paper-2: #ece4d2; --paper-3: #e2d8c2;
  --ink: #211c17; --ink-2: #4b443b; --ink-3: #6e665b;
  --rubric: #8a2b1d; --rubric-2: #a9382a; --gold: #a98434; --lapis: #27496e;
  --line: #d8ccb3; --line-2: #c7b996; --card: #fbf8f1; --field: #fff;
  --s1: #5c7c3c; --s2: #2f7d75; --s3: #2d6a9a; --s4: #5a4c98; --s5: #a0711c; --s6: #9a3a28; --s7: #5c2a50;
  --serif: 'EB Garamond', 'Cormorant Garamond', Garamond, 'Times New Roman', serif;
  --display: 'Cormorant Garamond', 'EB Garamond', Garamond, 'Times New Roman', serif;
  --ui: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius: 4px; --wrap: 1120px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
img, svg { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
html:has(.texto-latino) { scroll-behavior: auto; }   /* no leitor, saltos longos (sumário, "continuar") são imediatos */
body { margin: 0; background: var(--paper); color: var(--ink); font: 19px/1.55 var(--serif); }
body::before { content: ''; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(1200px 600px at 50% -10%, #fbf7ee 0%, transparent 60%); }
a { color: var(--lapis); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--rubric); }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.12; color: var(--ink); margin: 0 0 .45em; letter-spacing: .005em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); margin-top: 1.6em; }
h2::after { content: ''; display: block; width: 3.5rem; height: 2px; margin-top: .35em; background: linear-gradient(90deg, var(--rubric), var(--gold)); }
h3 { font-size: 1.35rem; margin-top: 1.4em; }
p { margin: 0 0 1em; }
i, em { font-style: italic; }
/* EB Garamond troca u por v quando lang="la" (recurso OpenType locl): o texto deve aparecer como na edição */
:lang(la) { font-feature-settings: "locl" 0; font-language-override: "ENG"; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 820px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 99; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.lead { font-size: 1.25rem; line-height: 1.5; color: var(--ink-2); }
.kicker { font-family: var(--ui); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--rubric); margin-bottom: .6rem; }
.note { font-family: var(--ui); font-size: .9rem; color: var(--ink-2); border-left: 3px solid var(--gold); padding: .5rem .9rem; background: var(--paper-2); border-radius: 0 var(--radius) var(--radius) 0; }
.note.warn { border-color: var(--rubric); }
small { font-size: .85em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; background: var(--paper-2); padding: .1em .35em; border-radius: 3px; }
pre { background: var(--paper-2); padding: .9rem 1rem; overflow: auto; border-radius: var(--radius); font-size: .85rem; }
.fleuron { text-align: center; color: var(--gold); font-size: 1.4rem; margin: 2rem 0 1rem; letter-spacing: .5em; }

/* cabeçalho */
.site-header { border-bottom: 1px solid var(--line); background: rgba(245,239,227,.92); backdrop-filter: blur(6px); position: sticky; top: calc(-1 * var(--eco, 0px)); z-index: 20; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: .6rem; padding-bottom: .6rem; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand img { width: 36px; height: 36px; }
.brand span { font-family: var(--display); font-weight: 600; font-size: 1.45rem; line-height: 1; display: flex; flex-direction: column; }
.brand small { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: .85rem; color: var(--ink-3); margin-top: .15rem; letter-spacing: .02em; }
.nav { display: flex; gap: .15rem; flex-wrap: wrap; font-family: var(--ui); font-size: .9rem; }
.nav a { color: var(--ink-2); text-decoration: none; padding: .45rem .65rem; border-radius: var(--radius); }
.nav a:hover { background: var(--paper-2); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--rubric); box-shadow: inset 0 -2px 0 var(--rubric); }
.nav-toggle { display: none; }
@media (max-width: 700px) {
  .site-header .wrap { gap: .6rem; }
  .brand { flex: 1; min-width: 0; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 1rem; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--card); color: var(--ink); font: 600 .95rem var(--ui); cursor: pointer; }
  .nav-toggle[aria-expanded="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .nav { width: 100%; flex-direction: column; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; font-size: 1rem; }
  .nav.closed { display: none; }
  .nav a { display: block; padding: .8rem 1rem; min-height: 48px; border-radius: 0; border-top: 1px solid var(--line); }
  .nav a:first-child { border-top: 0; }
  .nav a[aria-current="page"] { background: var(--paper-2); color: var(--rubric); font-weight: 600; box-shadow: inset 4px 0 var(--rubric); }
  .eco a { padding: .45rem 0 .1rem; }
}
/* ligação com o portal das bibliotecas */
.eco { max-width: var(--wrap); margin: 0 auto; padding: .35rem 16px 0; font-family: var(--ui); font-size: .78rem; line-height: 1.4; }
.eco a { display: inline-block; padding: .2rem 0; color: var(--ink-3); text-decoration: none; letter-spacing: .02em; }
.eco a:hover { color: var(--rubric); text-decoration: underline; }

/* rodapé */
.site-footer { margin-top: 4rem; border-top: 1px solid var(--line); background: var(--paper-2); font-family: var(--ui); font-size: .88rem; color: var(--ink-2); }
.site-footer .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; padding-top: 1.6rem; padding-bottom: 1.6rem; }
.site-footer p { margin: 0 0 .4rem; }
@media (max-width: 700px) { .site-footer .wrap { grid-template-columns: 1fr; } }

/* capa */
.hero { padding: 3.2rem 0 2.4rem; border-bottom: 1px solid var(--line); position: relative; }
.hero .wrap { max-width: 900px; }
.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.4rem); margin-bottom: .3em; }
.hero h1 i { color: var(--rubric); }
.hero .motto { font-style: italic; color: var(--ink-3); font-size: 1.15rem; margin: -.2rem 0 1.2rem; }
.hero .lead { max-width: 46ch; }
.stats { list-style: none; padding: 0; margin: 1.4rem 0; display: flex; gap: 2rem; flex-wrap: wrap; font-family: var(--ui); font-size: .85rem; color: var(--ink-2); }
.stats b { display: block; font-family: var(--display); font-size: 2rem; color: var(--ink); line-height: 1; }
.cta { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.2rem; }
.btn { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--ui); font-size: .92rem; font-weight: 500; padding: .6rem 1.05rem; border-radius: var(--radius); border: 1px solid var(--ink); color: var(--ink); background: transparent; text-decoration: none; cursor: pointer; line-height: 1.2; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.accent { background: var(--rubric); border-color: var(--rubric); color: #fff; }
.btn.accent:hover { background: var(--rubric-2); border-color: var(--rubric-2); }
.btn.ghost { border-color: var(--line-2); color: var(--ink-2); }
.btn.ghost:hover { background: var(--paper-2); color: var(--ink); }
.btn.small { font-size: .82rem; padding: .42rem .75rem; }

/* etapas (gradus) */
.gradus-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .9rem; margin: 1.2rem 0; }
.gradus { display: block; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--c, var(--gold)); border-radius: var(--radius); padding: 1rem 1.1rem 1.05rem; transition: transform .15s, box-shadow .15s; }
a.gradus:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(60,40,10,.08); }
.gradus .num { font-family: var(--display); font-weight: 600; font-size: 1.1rem; color: var(--c, var(--gold)); letter-spacing: .08em; }
.gradus h3 { margin: .2rem 0 .1rem; font-size: 1.45rem; font-style: italic; }
.gradus .sub { font-family: var(--ui); font-size: .8rem; color: var(--ink-3); display: block; margin-bottom: .5rem; }
.gradus p { font-size: .98rem; color: var(--ink-2); margin: 0 0 .6rem; line-height: 1.4; }
.gradus .count { font-family: var(--ui); font-size: .78rem; color: var(--ink-3); }
.c1 { --c: var(--s1); } .c2 { --c: var(--s2); } .c3 { --c: var(--s3); } .c4 { --c: var(--s4); } .c5 { --c: var(--s5); } .c6 { --c: var(--s6); } .c7 { --c: var(--s7); }

.steps { counter-reset: s; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.2rem; margin: 1.2rem 0; }
.steps li { counter-increment: s; padding-top: .4rem; border-top: 1px solid var(--line-2); font-size: 1rem; color: var(--ink-2); }
.steps li::before { content: counter(s, upper-roman); display: block; font-family: var(--display); font-size: 1.5rem; color: var(--rubric); margin-bottom: .2rem; }
.steps b { color: var(--ink); }
.downloads { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin: 1rem 0; }
.dl { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.dl h3 { margin-top: 0; }
.dl p { font-size: 1rem; color: var(--ink-2); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; }
@media (max-width: 720px) { .two { grid-template-columns: 1fr; } }
.box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1.05rem; font-size: 1rem; color: var(--ink-2); }
.box b { color: var(--ink); }

/* catálogo */
/* O painel de filtros rola com a página (não é sticky): fixá-lo sob o cabeçalho, que também é sticky,
   cobria metade da tela e escondia o campo de busca atrás do cabeçalho. Em telas estreitas os filtros
   ficam recolhidos atrás do botão "Filtros"; a busca fica sempre visível. */
.filters { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: .75rem 0 .8rem; margin: 1rem 0 1.2rem; font-family: var(--ui); scroll-margin-top: 90px; }
.filters .row { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; margin-bottom: .5rem; }
#filtros-mais > .row:last-child { margin-bottom: 0; }
.filters .row.busca { margin-bottom: .6rem; }
#filtros-mais.closed { display: none; }
.filters .row.busca:has(+ #filtros-mais.closed) { margin-bottom: 0; }
.filtros-botao[aria-expanded="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.voltar-busca-wrap { margin: 0; }
.voltar-busca { position: fixed; right: 16px; bottom: 16px; z-index: 15; font-family: var(--ui); font-size: .85rem; padding: .6rem .9rem; min-height: 44px; display: inline-flex; align-items: center;
  background: var(--card); color: var(--ink); border: 1px solid var(--line-2); border-radius: 999px; text-decoration: none; box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.voltar-busca:hover { color: var(--rubric); }
.obra { scroll-margin-top: 90px; }
.filters label.inline { display: inline-flex; align-items: center; gap: .35rem; font-size: .86rem; color: var(--ink-2); cursor: pointer; }
.filters .lbl { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-right: .2rem; min-width: 5.2rem; }
input[type=search], select { font: inherit; font-size: .92rem; padding: .5rem .7rem; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--field); color: var(--ink); max-width: 100%; }
select { max-width: 16rem; text-overflow: ellipsis; }
input[type=search] { flex: 1 1 260px; min-width: 0; }
input[type=search]:focus, select:focus { outline: 2px solid var(--lapis); outline-offset: 1px; }
.chip-btn { font: inherit; font-size: .82rem; padding: .36rem .7rem; border-radius: 999px; border: 1px solid var(--line-2); background: var(--field); color: var(--ink-2); cursor: pointer; }
.chip-btn:hover { border-color: var(--ink-2); color: var(--ink); }
.chip-btn[aria-pressed="true"] { background: var(--c, var(--ink)); border-color: var(--c, var(--ink)); color: #fff; }
.chip-btn small { opacity: .7; font-size: .72rem; margin-left: .2rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: .8rem; flex-wrap: wrap; font-family: var(--ui); font-size: .9rem; color: var(--ink-2); margin-bottom: 1rem; }
.toolbar .acts { display: flex; gap: .5rem; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: .9rem; }
.obra { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--c, var(--gold)); border-radius: var(--radius); padding: .9rem 1rem 1rem; display: flex; flex-direction: column; gap: .35rem; }
.obra[hidden] { display: none; }
.obra .top { display: flex; flex-wrap: wrap; gap: .35rem; font-family: var(--ui); }
.tag { font-family: var(--ui); font-size: .72rem; letter-spacing: .03em; padding: .18rem .5rem; border-radius: 3px; background: var(--paper-2); color: var(--ink-2); display: inline-flex; align-items: center; gap: .25rem; }
.tag.stage { background: var(--c, var(--gold)); color: #fff; }
.tag.diff { border: 1px solid var(--line-2); background: transparent; }
.tag.audio { background: #e6efe0; color: #2f5a1f; }
.tag.host { background: #e8ecf3; color: var(--lapis); }
.tag.paid { background: #f3e6d6; color: #7a4a10; }
.tag.kind { background: transparent; color: var(--ink-3); padding-left: 0; }
.obra h3 { margin: .15rem 0 0; font-size: 1.4rem; line-height: 1.15; }
.obra .autor { font-style: italic; color: var(--ink-2); margin: 0; font-size: 1rem; }
.obra .desc { font-size: .97rem; color: var(--ink-2); margin: .25rem 0 .2rem; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.obra:has(details[open]) .desc { display: block; -webkit-line-clamp: unset; }
.obra .meta { font-family: var(--ui); font-size: .78rem; color: var(--ink-3); margin: 0; }
.obra .meta a { color: inherit; }
.obra .acts { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding-top: .5rem; }
.obra .acts .btn { font-size: .8rem; padding: .4rem .7rem; }
.mark { font-family: var(--ui); font-size: .78rem; padding: .38rem .6rem; border-radius: var(--radius); border: 1px dashed var(--line-2); background: transparent; color: var(--ink-3); cursor: pointer; }
.mark:hover { border-style: solid; color: var(--ink); }
.mark[aria-pressed="true"] { border-style: solid; color: #fff; }
.mark.quero[aria-pressed="true"] { background: var(--lapis); border-color: var(--lapis); }
.mark.lendo[aria-pressed="true"] { background: var(--gold); border-color: var(--gold); }
.mark.lido[aria-pressed="true"] { background: var(--s1); border-color: var(--s1); }
.obra.flash { animation: flash 2s ease-out; }
@keyframes flash { 0% { box-shadow: 0 0 0 4px var(--gold); } 100% { box-shadow: 0 0 0 0 transparent; } }
#empty { font-family: var(--ui); color: var(--ink-2); padding: 2rem 0; }
.rights { font-family: var(--ui); font-size: .76rem; color: var(--ink-3); margin: 0; }
details.more { font-family: var(--ui); font-size: .85rem; color: var(--ink-2); margin-top: .2rem; }
details.more summary { cursor: pointer; color: var(--lapis); }
details.more dl { margin: .4rem 0 0; display: grid; grid-template-columns: max-content 1fr; gap: .15rem .6rem; }
details.more dt { color: var(--ink-3); }
details.more dd { margin: 0; }

/* tabelas e prosa */
.table-scroll { overflow-x: auto; margin: 1rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .98rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--ui); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); border-bottom: 2px solid var(--line-2); }
.prose h2 { margin-top: 2.2rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .35rem; }
details { margin: .5rem 0; border: 1px solid var(--line); border-radius: var(--radius); padding: .4rem .9rem; background: var(--card); }
summary { cursor: pointer; font-weight: 500; }
details p { margin: .6rem 0 .3rem; font-size: 1rem; }
.gradus-sec { margin: 2.4rem 0; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.gradus-head { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; }
.gradus-head h2 { margin-top: 0; }
.gradus-head h2::after { background: var(--c, var(--gold)); }
.gradus-sec h2 i { color: var(--c, var(--gold)); }
.lvl { font-family: var(--ui); font-size: .8rem; color: var(--ink-3); }
.scale { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem; margin: 1rem 0; font-family: var(--ui); font-size: .85rem; }
.scale div { border-top: 3px solid var(--line-2); padding-top: .4rem; color: var(--ink-2); }
.scale b { display: block; color: var(--ink); font-family: var(--display); font-size: 1.2rem; }
.legend { font-family: var(--ui); font-size: .82rem; color: var(--ink-3); }
.resource-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: .9rem; margin: 1rem 0; }
.hidden { display: none !important; }
@media (max-width: 600px) {
  body { font-size: 17.5px; }
  .brand span { font-size: 1.25rem; }
  .filters .lbl { min-width: 100%; }
  .filters .row.busca input[type=search] { flex: 1 1 100%; }
  .filters .row.busca select, .filters .row.busca .filtros-botao { flex: 1 1 0; min-height: 44px; max-width: none; }
  #filtros-mais select { flex: 1 1 100%; max-width: none; min-height: 44px; }
  .chip-btn { min-height: 40px; }
  .stats { gap: 1.2rem; }
}
@media print { .site-header, .site-footer, .filters, .toolbar, .acts, .skip { display: none !important; } body { background: #fff; } }

/* ───────── Aprenda Latim · Elementa Linguae Latinae ───────── */
.callout { display: grid; grid-template-columns: 1fr auto; gap: 1rem 2rem; align-items: center; background: linear-gradient(135deg, var(--card), var(--paper-2)); border: 1px solid var(--line); border-left: 5px solid var(--rubric); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin: 1.5rem 0; }
.callout h2 { margin-top: 0; font-size: 1.6rem; } .callout h2::after { display: none; }
.callout p { margin: 0; color: var(--ink-2); font-size: 1.02rem; }
@media (max-width: 700px) { .callout { grid-template-columns: 1fr; } }
.livro-head { padding: 2.4rem 0 1.6rem; border-bottom: 1px solid var(--line); }
.livro-head h1 { margin-bottom: .1em; } .livro-head .sub { font-style: italic; color: var(--ink-3); font-size: 1.2rem; margin: 0 0 1rem; }
.partes { display: grid; gap: 1.2rem; margin: 1.5rem 0; }
.parte { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 1.1rem 1.3rem 1.2rem; border-top: 4px solid var(--c, var(--gold)); }
.parte h2 { margin-top: 0; font-size: 1.7rem; } .parte h2::after { background: var(--c, var(--gold)); width: 2.5rem; }
.parte h2 i { color: var(--c, var(--gold)); }
.parte .desc { color: var(--ink-2); font-size: 1rem; margin-bottom: .8rem; }
.licoes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .5rem; }
.licoes li { display: flex; gap: .6rem; align-items: baseline; font-family: var(--ui); font-size: .92rem; padding: .6rem .75rem; border-radius: var(--radius); background: var(--paper); }
.licoes li.planejada { color: var(--ink-3); } .licoes li.planejada span.n { color: var(--ink-3); }
.licoes .n { font-family: var(--display); font-weight: 600; color: var(--c, var(--gold)); min-width: 1.8rem; }
.licoes a { color: var(--ink); text-decoration: none; } .licoes a:hover { color: var(--rubric); text-decoration: underline; }
.licoes .feita { margin-left: auto; color: var(--s1); font-size: .85rem; } .licoes .feita[hidden] { display: none; }
.p1 { --c: var(--s1); } .p2 { --c: var(--s3); } .p3 { --c: var(--s4); } .p4 { --c: var(--s6); }
.licao { max-width: 820px; }
.licao-top { font-family: var(--ui); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c, var(--rubric)); margin: 1.6rem 0 .4rem; display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.licao-top a { color: inherit; } .licao-top .sep { color: var(--line-2); }
.licao h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.licao .resumo { font-size: 1.2rem; color: var(--ink-2); font-style: italic; margin-bottom: 1.2rem; }
.objetivos { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--c, var(--gold)); border-radius: 0 var(--radius) var(--radius) 0; padding: .9rem 1.2rem; margin: 1rem 0 1.6rem; }
.objetivos b { font-family: var(--ui); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.objetivos ul { margin: .4rem 0 0; padding-left: 1.2rem; } .objetivos li { margin: .2rem 0; }
.licao h2 { margin-top: 2.2rem; } .licao h2::after { background: var(--c, var(--gold)); }
.licao h3 { margin-top: 1.5rem; font-size: 1.3rem; }
.licao p, .licao li { line-height: 1.6; }
.licao table { font-size: .98rem; margin: .8rem 0 1.2rem; }
.licao table caption { caption-side: top; text-align: left; font-family: var(--ui); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 0 0 .35rem; }
.licao th { white-space: nowrap; } .licao td.la, .licao th.la { font-style: italic; } .licao td.la { white-space: nowrap; }
.licao .lat { font-style: italic; } .licao td b { font-weight: 600; color: var(--rubric); }
.ex { display: grid; grid-template-columns: 1fr 1fr; gap: .2rem 1.2rem; margin: .8rem 0 1rem; padding: .7rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); font-size: 1.02rem; }
.ex .la { font-style: italic; color: var(--ink); } .ex .pt { color: var(--ink-2); }
.ex .la::before { content: '¶ '; color: var(--gold); font-style: normal; }
@media (max-width: 560px) { .ex { grid-template-columns: 1fr; } .ex .pt { margin-bottom: .4rem; padding-left: 1.1rem; } }
.dica { font-family: var(--ui); font-size: .92rem; color: var(--ink-2); border-left: 3px solid var(--gold); padding: .5rem .9rem; background: var(--paper-2); border-radius: 0 var(--radius) var(--radius) 0; margin: 1rem 0; }
.dica b { color: var(--ink); }
.diagrama { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin: 1rem 0; text-align: center; }
.diagrama svg { max-width: 100%; height: auto; font-family: var(--serif); }
.diagrama figcaption { font-family: var(--ui); font-size: .82rem; color: var(--ink-3); margin-top: .5rem; text-align: left; }
.exercicio { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 1rem 1.2rem; margin: 1rem 0; }
.exercicio h3 { margin-top: 0; font-size: 1.15rem; }
.exercicio ol { padding-left: 1.4rem; } .exercicio li { margin: .35rem 0; }
.exercicio details { background: transparent; border: none; padding: 0; margin: .3rem 0 0; }
.exercicio summary { font-family: var(--ui); font-size: .85rem; color: var(--lapis); font-weight: 500; }
.exercicio details p { margin: .3rem 0 .2rem; font-size: .98rem; color: var(--ink-2); }
.leituras-licao { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: .8rem; margin: 1rem 0; }
.licao-nav { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 2.5rem 0 1rem; padding-top: 1.2rem; border-top: 1px solid var(--line); font-family: var(--ui); font-size: .92rem; }
.licao-nav a { text-decoration: none; color: var(--ink-2); max-width: 45%; } .licao-nav a:hover { color: var(--rubric); }
.licao-nav a b { display: block; color: var(--ink); font-family: var(--display); font-size: 1.15rem; }
.licao-nav .prox { text-align: right; margin-left: auto; }
.concluir { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin: 1.5rem 0; padding: 1rem 1.2rem; border: 1px dashed var(--line-2); border-radius: var(--radius); font-family: var(--ui); font-size: .92rem; color: var(--ink-2); }
.concluir button[aria-pressed="true"] { background: var(--s1); border-color: var(--s1); color: #fff; }
.progresso-livro { font-family: var(--ui); font-size: .9rem; color: var(--ink-2); margin: .5rem 0 1rem; }
.progresso-livro .barra { height: 6px; background: var(--paper-3); border-radius: 3px; overflow: hidden; margin-top: .4rem; }
.progresso-livro .barra div { height: 100%; background: linear-gradient(90deg, var(--s1), var(--s3)); width: 0; transition: width .4s; }
.toc { font-family: var(--ui); font-size: .88rem; columns: 2; column-gap: 2rem; margin: .5rem 0 1.5rem; padding: 0 0 0 1.2rem; }
.toc li { break-inside: avoid; margin: .15rem 0; } @media (max-width: 560px) { .toc { columns: 1; } }

/* modo escuro: segue o sistema, salvo escolha explícita no leitor (data-tema="claro" | "escuro") */
@media (prefers-color-scheme: dark) {
  :root:not([data-tema="claro"]) { --paper: #1b1813; --paper-2: #24201a; --paper-3: #2f2a22; --card: #221e18; --field: #2a251e; --ink: #ece4d4; --ink-2: #c9bfab; --ink-3: #9d937f;
    --rubric: #d9705b; --rubric-2: #e4836f; --gold: #d2aa52; --lapis: #8fb3e0; --line: #3a342a; --line-2: #4a4336;
    --s1: #8bb36a; --s2: #5fb3aa; --s3: #6aa2d6; --s4: #9a8ee0; --s5: #d6a64a; --s6: #d8745f; --s7: #c07fb3; color-scheme: dark; }
  :root:not([data-tema="claro"]) body::before { display: none; }
  :root:not([data-tema="claro"]) .site-header { background: rgba(27,24,19,.92); }
  :root:not([data-tema="claro"]) .tag.audio { background: #2b3a25; color: #bfe0ad; }
  :root:not([data-tema="claro"]) .tag.host { background: #27303c; }
  :root:not([data-tema="claro"]) .tag.paid { background: #3d3022; color: #e8c79a; }
  :root:not([data-tema="claro"]) .btn.accent { color: #1b1813; }
  :root:not([data-tema="claro"]) .tag.stage, :root:not([data-tema="claro"]) .chip-btn[aria-pressed="true"], :root:not([data-tema="claro"]) .mark[aria-pressed="true"] { color: #1b1813; }
  :root:not([data-tema="claro"]) .diagrama svg rect { fill: #2a251e; }
  :root:not([data-tema="claro"]) .diagrama svg text { fill: #ece4d4; }
  :root:not([data-tema="claro"]) .diagrama svg text[font-family] { fill: #c9bfab; }
}
:root[data-tema="escuro"] { --paper: #1b1813; --paper-2: #24201a; --paper-3: #2f2a22; --card: #221e18; --field: #2a251e; --ink: #ece4d4; --ink-2: #c9bfab; --ink-3: #9d937f;
  --rubric: #d9705b; --rubric-2: #e4836f; --gold: #d2aa52; --lapis: #8fb3e0; --line: #3a342a; --line-2: #4a4336;
  --s1: #8bb36a; --s2: #5fb3aa; --s3: #6aa2d6; --s4: #9a8ee0; --s5: #d6a64a; --s6: #d8745f; --s7: #c07fb3; color-scheme: dark; }
:root[data-tema="escuro"] body::before { display: none; }
:root[data-tema="escuro"] .site-header { background: rgba(27,24,19,.92); }
:root[data-tema="escuro"] .tag.audio { background: #2b3a25; color: #bfe0ad; }
:root[data-tema="escuro"] .tag.host { background: #27303c; }
:root[data-tema="escuro"] .tag.paid { background: #3d3022; color: #e8c79a; }
:root[data-tema="escuro"] .btn.accent { color: #1b1813; }
:root[data-tema="escuro"] .tag.stage, :root[data-tema="escuro"] .chip-btn[aria-pressed="true"], :root[data-tema="escuro"] .mark[aria-pressed="true"] { color: #1b1813; }
:root[data-tema="escuro"] .diagrama svg rect { fill: #2a251e; }
:root[data-tema="escuro"] .diagrama svg text { fill: #ece4d4; }
:root[data-tema="escuro"] .diagrama svg text[font-family] { fill: #c9bfab; }

/* ───────── componentes didáticos e atribuição (2ª fase) ───────── */
.topicos { margin-top: .6rem; display: flex; flex-wrap: wrap; gap: .3rem; } .topicos .tag { background: var(--paper); }
.prereq { font-family: var(--ui); font-size: .9rem; color: var(--ink-2); margin: -.6rem 0 1.2rem; } .prereq b { color: var(--ink); }
.obs { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--lapis); border-radius: 0 var(--radius) var(--radius) 0; padding: .7rem 1rem; margin: 1rem 0; font-size: .98rem; }
.obs b { font-family: var(--ui); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--lapis); display: block; margin-bottom: .2rem; } .obs p { margin: 0; color: var(--ink-2); }
table.paradigma th[scope=row] { font-family: var(--ui); font-size: .8rem; font-weight: 500; color: var(--ink-2); text-transform: none; letter-spacing: 0; white-space: nowrap; }
table.paradigma td.la { font-size: 1.08rem; } table.paradigma tbody tr:nth-child(odd) { background: color-mix(in srgb, var(--paper-2) 55%, transparent); }
.aulas-comp { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: .8rem; margin: 1rem 0; }
.aula-comp { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--s3); border-radius: var(--radius); padding: .9rem 1.1rem; }
.aula-comp .kicker { margin-bottom: .2rem; color: var(--s3); } .aula-comp h3 { margin: 0 0 .3rem; font-size: 1.25rem; } .aula-comp p { font-size: .97rem; color: var(--ink-2); margin: 0 0 .4rem; }
.creditos { margin-top: 2.5rem; padding: 1.1rem 1.3rem; background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); font-size: .95rem; }
.creditos h2 { margin-top: 0; font-size: 1.4rem; } .creditos h2::after { width: 2rem; }
.creditos dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .45rem 1rem; } .creditos dt { font-family: var(--ui); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding-top: .15rem; }
.creditos dd { margin: 0; color: var(--ink-2); min-width: 0; overflow-wrap: anywhere; } .creditos ul { margin: 0; padding-left: 1.1rem; } .creditos li { margin: .15rem 0; }
@media (max-width: 600px) { .creditos dl { grid-template-columns: 1fr; } .creditos dt { margin-top: .4rem; } }
.topicos-idx { columns: 2; } .topicos-idx li { margin: .25rem 0; }

/* ───────── sumário editorial e padrão de capítulo ───────── */
.licoes .cap { display: flex; flex-direction: column; gap: .15rem; min-width: 0; flex: 1; align-self: stretch; }
.licoes .cap > a { line-height: 1.3; }
.licoes .cap .lat { font-family: var(--serif); font-style: italic; font-size: .92rem; color: var(--ink-3); }
.licoes .meta-cap { font-size: .72rem; color: var(--ink-3); letter-spacing: .02em; margin-top: auto; padding-top: .2rem; }
.niveis-legenda .nv { font-family: var(--ui); font-size: .72rem; padding: .1rem .45rem; border-radius: 3px; border: 1px solid var(--line-2); }
.titulo-latim { font-family: var(--display); font-style: italic; font-size: 1.35rem; color: var(--c, var(--rubric)); margin: .2rem 0 -.2rem; }
.erros { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .7rem; }
.erros li { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--rubric); border-radius: 0 var(--radius) var(--radius) 0; padding: .7rem 1rem; }
.erros p { margin: 0 0 .3rem; font-size: .98rem; } .erros p:last-child { margin: 0; color: var(--ink-2); }
.erros b { font-family: var(--ui); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--rubric); margin-right: .3rem; }
.erros .certo b { color: var(--s1); }
.passos { counter-reset: p; list-style: none; padding: 0; margin: .6rem 0 0; }
.passos > li { counter-increment: p; position: relative; padding-left: 2.2rem; margin: .5rem 0; }
.passos > li::before { content: counter(p); position: absolute; left: 0; top: .05rem; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--c, var(--gold)); color: #fff; font-family: var(--ui); font-size: .8rem; display: grid; place-items: center; }
table.analise td:first-child { font-style: italic; white-space: nowrap; }
/* "Reportar problema" nos capítulos */
.link-reportar { margin-left: auto; font-size: .8rem; color: var(--ink-3); text-transform: none; letter-spacing: 0; }
.reportar { margin: 1rem 0 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); padding: .6rem 1rem; font-family: var(--ui); font-size: .92rem; }
.reportar summary { cursor: pointer; color: var(--ink-2); }
.form-reportar { display: grid; gap: .7rem; margin-top: .7rem; }
.form-reportar label { display: grid; gap: .25rem; color: var(--ink-2); }
.form-reportar select, .form-reportar textarea { font: inherit; width: 100%; min-width: 0; box-sizing: border-box; padding: .45rem .55rem; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--card, var(--paper)); color: var(--ink); }
.form-reportar .btn { justify-self: start; }
.relatorio { display: grid; gap: .5rem; }
h2 .rep-secao { font-size: .8rem; color: var(--ink-3); text-decoration: none; opacity: .45; vertical-align: middle; margin-left: .3rem; font-family: var(--ui); }
h2 .rep-secao:hover, h2 .rep-secao:focus { opacity: 1; color: var(--rubric); }
.apoie { margin-top: 2.5rem; padding: 1.1rem 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-2); }
.apoie h2 { margin-top: 0; } .apoie .pix-chave { word-break: break-all; }

/* leitor interno (docs/leituras/) */
:root { --leitor-fs: 1; }
.leitor { max-width: 62rem; }
.migalhas { font-family: var(--ui); font-size: .85rem; margin: 1.2rem 0 .8rem; color: var(--ink-3); }
.leitura-cab { border-bottom: 1px solid var(--line); padding-bottom: 1rem; margin-bottom: .6rem; }
.leitura-cab h1 { margin-bottom: .1em; }
.leitura-cab .autor { font-style: italic; font-size: 1.2rem; color: var(--ink-2); margin: 0 0 .4rem; }
.leitura-cab .lvl a { color: inherit; }
.ficha { display: grid; grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr)); gap: .5rem 1.2rem; font-family: var(--ui); font-size: .86rem; margin: .8rem 0 1rem; }
.ficha dt { color: var(--ink-3); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.ficha dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.leitura-cab .acoes { display: flex; flex-wrap: wrap; gap: .5rem; }
.controles { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; align-items: center; font-family: var(--ui); font-size: .82rem; padding: .55rem 0; border-bottom: 1px solid var(--line); margin-bottom: 1rem; }
.controles .grupo { display: inline-flex; align-items: center; gap: .25rem; }
.controles .rot { color: var(--ink-3); margin-right: .25rem; }
.controles button { font: inherit; min-height: 38px; min-width: 38px; padding: .25rem .6rem; border: 1px solid var(--line-2); background: var(--field); color: var(--ink); border-radius: var(--radius); cursor: pointer; }
.controles button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.controles button:disabled { opacity: .4; cursor: default; }
.progresso-txt { color: var(--ink-3); margin-left: auto; }
.retomar { font-family: var(--ui); font-size: .9rem; border-left: 3px solid var(--gold); background: var(--paper-2); padding: .55rem .9rem; border-radius: 0 var(--radius) var(--radius) 0; }
.sumario { font-family: var(--ui); font-size: .9rem; }
.sumario ol { columns: 2; column-gap: 2rem; margin: .5rem 0; padding-left: 1.2rem; } .sumario li { break-inside: avoid; margin: .1rem 0; } .sumario li.n2 { list-style: none; padding-left: .8rem; }
.texto-latino { font-size: calc(1.1rem * var(--leitor-fs)); line-height: 1.7; max-width: 36em; margin: 1.2rem auto 0; overflow-wrap: break-word; }
[data-largura="estreita"] .texto-latino { max-width: 29em; }
[data-largura="larga"] .texto-latino { max-width: 48em; }
.texto-latino h2 { text-align: center; font-size: 1.6em; margin: 2em 0 1em; } .texto-latino h2::after { margin: .35em auto 0; }
.texto-latino h2:first-child { margin-top: .5em; }
.texto-latino h3 { font-size: 1.2em; font-style: italic; margin: 1.8em 0 .5em; }
.texto-latino .par { margin: 0 0 .9em; }
.texto-latino .par .ref { font-family: var(--ui); font-size: .66em; font-weight: 600; color: var(--rubric); margin-right: .3em; vertical-align: .12em; }
.texto-latino .sec { font-family: var(--ui); font-size: .6em; color: var(--ink-3); line-height: 0; padding: 0 .12em; }
.texto-latino .versos { margin: 0 0 1.1em; }
.texto-latino .l { display: block; position: relative; padding-left: 2.8em; }
.texto-latino .l .n { position: absolute; left: 0; width: 3.6em; text-align: right; font-family: var(--ui); font-size: .62em; color: var(--ink-3); top: .55em; line-height: 1; }
.texto-latino .fala { font-variant: small-caps; letter-spacing: .04em; color: var(--rubric); margin: 1.1em 0 .15em; }
.texto-latino .par, .texto-latino .l, .texto-latino h2, .texto-latino h3, .fonte-direitos { scroll-margin-top: 80px; }
.texto-latino :target { background: var(--paper-2); box-shadow: -6px 0 0 var(--gold); }
.partes-nav { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--ui); font-size: .92rem; margin: 1.6rem 0; }
.partes-nav a { text-decoration: none; } .partes-nav .prox { text-align: right; margin-left: auto; }
.lista-partes { columns: 2; column-gap: 2rem; font-family: var(--ui); } .lista-partes li { break-inside: avoid; margin: .25rem 0; }
.fonte-direitos { margin-top: 3rem; border-top: 1px solid var(--line); padding-top: .5rem; font-size: 1rem; }
.fonte-direitos details ul { font-family: var(--ui); font-size: .86rem; padding-left: 1.2rem; }
.atribuicao { font-family: var(--ui); font-size: .82rem; color: var(--ink-2); }
.continuar-lista { font-family: var(--ui); padding-left: 1.2rem; }
@media (max-width: 600px) {
  .texto-latino { font-size: calc(1.04rem * var(--leitor-fs)); }
  .texto-latino .l { padding-left: 2.3em; } .texto-latino .l .n { width: 3em; }
  .sumario ol, .lista-partes { columns: 1; }
  .progresso-txt { margin-left: 0; width: 100%; }
}
@media print { .controles, .retomar, .migalhas, .partes-nav, .sumario { display: none !important; } }