/* Divergentes · sistema visual
   Conceito: noite azul-índigo (calma) + girassol (símbolo nacional das deficiências ocultas, Lei 14.624/2023)
   + espectro do infinito (neurodiversidade) usado só para identificar temas. Cores de baixa saturação,
   layout previsível, resumo antes do detalhe (UK Home Office / W3C COGA). */
:root {
  --paper: oklch(98.4% 0.006 265);
  --surface: oklch(100% 0 0);
  --sunk: oklch(95.6% 0.011 265);
  --ink: oklch(23% 0.035 265);
  --ink-2: oklch(42% 0.03 265);
  --ink-3: oklch(57% 0.022 265);
  --line: oklch(89.5% 0.013 265);
  --night: oklch(25% 0.06 268);
  --night-2: oklch(31% 0.065 268);
  --night-ink: oklch(96.5% 0.01 265);
  --night-ink-2: oklch(80% 0.03 265);
  --sol: oklch(83% 0.15 86);
  --sol-strong: oklch(76% 0.16 78);
  --sol-ink: oklch(22% 0.04 265);
  --link: oklch(44% 0.14 265);
  --ok: oklch(55% 0.12 152);
  --warn: oklch(66% 0.13 75);
  --risk: oklch(56% 0.15 32);

  --font-display: "Bricolage Grotesque", "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --step--1: clamp(.84rem, .8rem + .15vw, .9rem);
  --step-0: clamp(1.05rem, 1rem + .25vw, 1.15rem);
  --step-1: clamp(1.25rem, 1.12rem + .55vw, 1.5rem);
  --step-2: clamp(1.55rem, 1.3rem + 1.1vw, 2.1rem);
  --step-3: clamp(2.05rem, 1.55rem + 2.4vw, 3.5rem);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  --alvo: 44px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: oklch(17% 0.026 266); --surface: oklch(21% 0.03 266); --sunk: oklch(14.5% 0.022 266);
    --ink: oklch(94.5% 0.01 265); --ink-2: oklch(79% 0.02 265); --ink-3: oklch(65% 0.02 265); --line: oklch(31% 0.03 266);
    --night: oklch(13% 0.035 268); --night-2: oklch(19% 0.045 268); --night-ink: oklch(96% 0.01 265); --night-ink-2: oklch(78% 0.03 265);
    --sol: oklch(84% 0.14 86); --sol-strong: oklch(80% 0.15 80); --sol-ink: oklch(20% 0.04 265); --link: oklch(79% 0.1 265);
    --ok: oklch(76% 0.13 152); --warn: oklch(80% 0.13 80); --risk: oklch(72% 0.14 32);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: oklch(17% 0.026 266); --surface: oklch(21% 0.03 266); --sunk: oklch(14.5% 0.022 266);
  --ink: oklch(94.5% 0.01 265); --ink-2: oklch(79% 0.02 265); --ink-3: oklch(65% 0.02 265); --line: oklch(31% 0.03 266);
  --night: oklch(13% 0.035 268); --night-2: oklch(19% 0.045 268); --night-ink: oklch(96% 0.01 265); --night-ink-2: oklch(78% 0.03 265);
  --sol: oklch(84% 0.14 86); --sol-strong: oklch(80% 0.15 80); --sol-ink: oklch(20% 0.04 265); --link: oklch(79% 0.1 265);
  --ok: oklch(76% 0.13 152); --warn: oklch(80% 0.13 80); --risk: oklch(72% 0.14 32);
  color-scheme: dark;
}
/* Modo calmo: tira o espectro e o amarelo, sem movimento, mais respiro. */
:root[data-calmo="1"] { --sol: var(--sunk); --sol-strong: var(--line); --sol-ink: var(--ink); }
:root[data-calmo="1"] [style*="--cor"] { --cor: var(--ink-3) !important; }
:root[data-calmo="1"] .logo path { stroke: currentColor; }
:root[data-calmo="1"] body { line-height: 1.85; }
:root[data-calmo="1"] *, :root[data-calmo="1"] ::view-transition-group(*) { animation: none !important; transition: none !important; }

@view-transition { navigation: auto; }
@media (prefers-reduced-motion: reduce) {
  *, ::view-transition-group(*) { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 var(--step-0)/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--night); }
img, svg { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--sol-strong); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; text-wrap: balance; margin: 0; }
h1 { font-size: var(--step-3); font-variation-settings: "opsz" 96; }
h2 { font-size: var(--step-2); font-weight: 700; }
h3 { font-size: var(--step-1); font-weight: 700; }
p, li { text-wrap: pretty; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 8px; z-index: 20; background: var(--sol); color: var(--sol-ink); padding: 10px 16px; border-radius: var(--r-sm); }
.faixa { width: 100%; max-width: 1240px; margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.eyebrow { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 0; }
.lead { font-size: var(--step-1); line-height: 1.5; color: var(--ink-2); max-width: 60ch; margin: 0; }

/* ---------- botões ---------- */
.botao, button[type="submit"] {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: var(--alvo);
  padding: .6em 1.2em; border-radius: 999px; border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  font: 700 var(--step--1)/1.2 var(--font-body); text-decoration: none; cursor: pointer; transition: background .15s, transform .15s;
}
.botao:hover { background: var(--sunk); }
.botao-sol, button[type="submit"] { background: var(--sol); border-color: var(--sol); color: var(--sol-ink); }
.botao-sol:hover, button[type="submit"]:hover { background: var(--sol-strong); border-color: var(--sol-strong); }
button:disabled { opacity: .55; cursor: progress; }

/* ---------- topo ---------- */
.topo { background: var(--night); color: var(--night-ink); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9; view-transition-name: topo; }
.topo-inner { display: flex; align-items: center; gap: 12px 28px; min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
.marca { display: inline-flex; align-items: center; gap: 10px; color: var(--night-ink); text-decoration: none; font: 800 1.3rem/1 var(--font-display); letter-spacing: -.02em; }
.logo { width: 46px; height: 23px; flex: none; }
.menu { display: flex; gap: 2px; flex: 1; min-width: 0; }
.menu a { display: inline-flex; align-items: center; min-height: var(--alvo); padding: 0 14px; border-radius: 999px; color: var(--night-ink-2); text-decoration: none; font-weight: 700; font-size: var(--step--1); white-space: nowrap; }
.menu a:hover { color: var(--night-ink); background: var(--night-2); }
.menu a[aria-current="page"] { color: var(--night-ink); background: var(--night-2); box-shadow: inset 0 -3px 0 var(--sol); }
.prefs { display: flex; gap: 6px; }
.prefs button { min-height: var(--alvo); min-width: var(--alvo); border-radius: 999px; border: 1px solid var(--night-2); background: transparent; color: var(--night-ink-2); font: 700 var(--step--1)/1 var(--font-body); padding: 0 14px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.prefs button svg { width: 18px; height: 18px; }
.prefs button:hover { color: var(--night-ink); background: var(--night-2); }
.prefs button[aria-pressed="true"] { background: var(--night-ink); color: var(--night); }

/* ---------- hero ---------- */
.hero { background: var(--night); color: var(--night-ink); padding-block: clamp(32px, 6vw, 80px) clamp(40px, 7vw, 96px); position: relative; overflow: hidden; }
.hero::after { /* faixa do espectro, discreta, como horizonte */
  content: ""; position: absolute; inset: auto 0 0; height: 4px;
  background: linear-gradient(90deg, #c8553d, #d9a92c, #7fa35a, #3f9a85, #3f7fa0, #5a6fb5, #a3627f); opacity: .8;
}
:root[data-calmo="1"] .hero::after { display: none; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero .eyebrow { color: var(--sol); }
.hero h1 { margin-block: 14px 18px; max-width: 17ch; }
.hero h1 em { font-style: normal; color: var(--sol); }
.hero-sub { color: var(--night-ink-2); font-size: var(--step-1); line-height: 1.5; max-width: 52ch; margin: 0 0 28px; }
.busca { display: flex; gap: 8px; max-width: 560px; background: var(--surface); padding: 6px; border-radius: 999px; box-shadow: 0 10px 30px oklch(10% 0.05 268 / .35); }
.busca input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font: inherit; padding: 0 16px; min-height: var(--alvo); }
.busca input:focus { outline: none; }
.busca:focus-within { outline: 3px solid var(--sol); outline-offset: 3px; }

.exemplo { margin: 0; background: var(--surface); color: var(--ink); border-radius: var(--r-lg); padding: clamp(20px, 3vw, 28px); display: grid; gap: 14px; box-shadow: 0 24px 60px oklch(8% 0.05 268 / .45); }
.exemplo figcaption { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.exemplo-pergunta { margin: 0; justify-self: end; max-width: 92%; background: var(--night); color: var(--night-ink); border-radius: var(--r-md) var(--r-md) 4px var(--r-md); padding: 12px 16px; font-weight: 700; }
.exemplo-resposta p { margin: 0 0 .6em; }
.exemplo-fontes { margin: 0; padding: 12px 0 0 1.4em; border-top: 1px solid var(--line); font-size: var(--step--1); color: var(--ink-2); display: grid; gap: 4px; }
.exemplo-fontes li::marker { font-family: var(--font-mono); color: var(--ink-3); }
.exemplo .botao { justify-self: start; }
.cit { display: inline-grid; place-items: center; min-width: 1.45em; height: 1.45em; padding: 0 .3em; border-radius: 999px; background: var(--sunk); color: var(--link); font: 700 .7em/1 var(--font-mono); text-decoration: none; vertical-align: .25em; border: 1px solid var(--line); }
.cit:hover { background: var(--sol); color: var(--sol-ink); border-color: var(--sol); }

/* ---------- blocos ---------- */
main { display: block; }
.bloco { padding-block: clamp(40px, 6vw, 80px) 0; }
main > .bloco:last-child, main > .faixa.bloco:only-child { padding-bottom: clamp(48px, 7vw, 96px); }
.bloco-cabeca { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 24px; margin-bottom: 24px; }
.bloco-cabeca p { margin: 0; color: var(--ink-2); }
.pagina-cabeca { display: grid; gap: 12px; margin-bottom: clamp(24px, 4vw, 40px); max-width: 820px; }
.acoes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.migalhas { font-size: var(--step--1); color: var(--ink-3); margin: 0 0 4px; display: flex; flex-wrap: wrap; gap: 6px; }
.migalhas a { color: var(--ink-2); }

/* trilhas: linhas largas, previsíveis */
.trilhas { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.trilha > a, .trilha.em-breve { display: grid; grid-template-columns: 13rem minmax(0, 1fr) auto; grid-template-areas: "publico titulo acao" "publico resumo acao"; gap: 4px 28px; align-items: center; padding: 22px 24px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); color: inherit; text-decoration: none; transition: border-color .15s, transform .15s; }
.trilha > a:hover { border-color: var(--ink); transform: translateY(-1px); }
.trilha-publico { grid-area: publico; font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.trilha-titulo { grid-area: titulo; font: 700 var(--step-1)/1.2 var(--font-display); letter-spacing: -.01em; }
.trilha-resumo { grid-area: resumo; color: var(--ink-2); }
.trilha-acao { grid-area: acao; font-weight: 700; font-size: var(--step--1); white-space: nowrap; padding: 10px 16px; border-radius: 999px; background: var(--sol); color: var(--sol-ink); }
.trilha.em-breve { background: transparent; border-style: dashed; }
.em-breve .trilha-titulo, .em-breve .trilha-resumo { color: var(--ink-3); }
.em-breve .trilha-acao { background: var(--sunk); color: var(--ink-3); }

/* guia: 7 partes, cada uma com a cor do espectro */
.guia { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.parte { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 8px 28px; padding: 20px 22px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); position: relative; overflow: hidden; }
.parte::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--cor); }
.parte-cabeca { display: grid; gap: 4px; align-content: start; padding-left: 4px; }
.parte-num { font-size: var(--step--1); color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; }
.parte-cabeca h3 { font-size: var(--step-1); }
.caps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 2px 20px; }
.caps a { display: grid; grid-template-columns: 2.2rem minmax(0, 1fr) auto; gap: 10px; align-items: baseline; padding: 10px 8px; border-radius: var(--r-sm); color: var(--ink); text-decoration: none; min-height: var(--alvo); }
.caps a:hover { background: var(--sunk); }
.cap-num { color: var(--cor); font-weight: 600; filter: saturate(1.2) brightness(.85); }
.cap-titulo { font-weight: 700; line-height: 1.3; display: grid; gap: 2px; }
.cap-titulo small { font-weight: 400; font-size: var(--step--1); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cap-meta { font-size: var(--step--1); color: var(--ink-3); white-space: nowrap; }
.cap-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.cap-nav a { display: grid; gap: 4px; padding: 16px 18px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; font-weight: 700; line-height: 1.3; }
.cap-nav a span { font: 600 var(--step--1)/1.2 var(--font-mono); color: var(--ink-3); }
.cap-nav a:hover { border-color: var(--ink); }
.cap-nav .prox { text-align: right; }
.usadas summary { cursor: pointer; font: 600 var(--step--1)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); min-height: var(--alvo); display: flex; align-items: center; gap: 6px; }
.usadas[open] summary { margin-bottom: 8px; }
.chips-rotulo { font-size: var(--step--1); color: var(--ink-3); align-self: center; }
.capitulo h3 { margin-top: 1.4em; }

/* credibilidade */
.credibilidade { margin-top: clamp(48px, 7vw, 96px); background: var(--sunk); padding-block: clamp(40px, 6vw, 72px); }
.cred-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px 64px; }
.cred-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 24px 32px; }
.cred-lista li { display: grid; gap: 6px; color: var(--ink-2); align-content: start; }
.cred-lista strong { color: var(--ink); font: 700 var(--step-0)/1.3 var(--font-display); }

/* ---------- obras (fichas) ---------- */
.obras { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.obra { display: grid; gap: 12px; align-content: space-between; padding: 16px 18px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); transition: border-color .15s; }
.obra:has(a:hover) { border-color: var(--ink-3); }
.obra a { display: grid; gap: 4px; color: inherit; text-decoration: none; }
.obra a:focus-visible { outline-offset: 6px; }
.obra-meta { display: flex; gap: 10px; font-size: var(--step--1); color: var(--ink-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .04em; }
.obra-titulo { font-weight: 700; line-height: 1.3; }
.obra-autor { color: var(--ink-2); font-size: var(--step--1); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.obras-compactas { grid-template-columns: minmax(0, 1fr); gap: 8px; }
.obras-compactas .obra { padding: 12px 14px; }
.conta { font-size: var(--step-0); color: var(--ink-3); font-weight: 400; letter-spacing: 0; }
.bloco > h2 { margin: 40px 0 16px; display: flex; gap: 12px; align-items: baseline; }

/* medidor de confiança: 3 barras, forma + rótulo */
.conf { display: inline-flex; align-items: center; gap: 8px; font: 600 var(--step--1)/1.2 var(--font-mono); color: var(--ink-2); }
.conf-barras { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; flex: none; }
.conf-barras i { width: 5px; border-radius: 2px; background: var(--line); }
.conf-barras i:nth-child(1) { height: 6px; } .conf-barras i:nth-child(2) { height: 10px; } .conf-barras i:nth-child(3) { height: 14px; }
.conf-alta .on { background: var(--ok); } .conf-media .on { background: var(--warn); } .conf-baixa .on { background: var(--risk); }
.conf-baixa { color: var(--risk); }

/* ---------- leitura (trilha, ficha, sobre) ---------- */
.leitura { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, 21rem); gap: clamp(32px, 5vw, 72px); padding-block: clamp(28px, 5vw, 56px) clamp(48px, 7vw, 96px); align-items: start; }
.leitura:has(> .texto:only-child) { grid-template-columns: minmax(0, 1fr); }
.texto { max-width: 70ch; min-width: 0; }
.texto > h1 { margin: 10px 0 14px; }
.texto h2 { margin: 2.2em 0 .6em; scroll-margin-top: 96px; }
.texto h3 { margin: 1.6em 0 .4em; }
.texto p, .texto ul, .texto ol { margin: 0 0 1em; }
.texto li { margin: .35em 0; }
.texto li::marker { color: var(--ink-3); }
.texto strong { font-weight: 700; }
.texto blockquote { margin: 1.4em 0; padding: 14px 18px; border-radius: var(--r-md); background: var(--sunk); color: var(--ink-2); font-size: var(--step--1); }
.texto blockquote p { margin: 0; }
.texto section > h2 { margin-top: 1.8em; }
.meta { color: var(--ink-2); margin: 0 0 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); text-decoration: none; font-size: var(--step--1); font-weight: 700; }
.chip::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--cor); }
.chip:hover { border-color: var(--cor); color: var(--ink); }

.resumo-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px 24px; margin: 24px 0 8px; position: relative; overflow: hidden; }
.resumo-box::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--cor, var(--sol)); }
.texto .resumo-box h2 { font-size: var(--step-1); margin: 0 0 10px; }
.resumo-box ul { margin: 0; padding-left: 1.2em; }
.resumo-box li { margin: .4em 0; }
.tempo { display: flex; gap: 6px 16px; flex-wrap: wrap; font-size: var(--step--1); color: var(--ink-3); font-family: var(--font-mono); margin: 0; }

.lateral { position: sticky; top: 96px; display: grid; gap: 18px; min-width: 0; max-height: calc(100dvh - 112px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; padding: 2px; }
.lateral h2 { font-size: var(--step--1); font-family: var(--font-mono); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin: 8px 0 0; }
.painel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px; display: grid; gap: 10px; }
.painel h2 { margin: 0; }
.painel p { margin: 0; color: var(--ink-2); font-size: var(--step--1); }
.rotulo { font-weight: 700; color: var(--ink); }
.aviso { font-size: var(--step--1); color: var(--ink-3); }
.bloco-botao { width: 100%; }
.indice { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; border-left: 2px solid var(--line); }
.indice a { display: block; padding: 6px 0 6px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--ink-2); text-decoration: none; font-size: var(--step--1); line-height: 1.35; }
.indice a:hover { color: var(--ink); border-left-color: var(--ink-3); }
.indice a.ativo { color: var(--ink); border-left-color: var(--cor, var(--sol-strong)); font-weight: 700; }
.lista-conf { list-style: none; padding: 0; display: grid; gap: 10px; }
.lista-conf li { display: grid; grid-template-columns: 17rem 1fr; gap: 12px; align-items: center; }

/* ---------- acervo ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin: 0 0 20px; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); position: sticky; top: 76px; z-index: 3; }
.filtros label { display: grid; gap: 4px; font-size: var(--step--1); font-weight: 700; color: var(--ink-2); flex: 1 1 12rem; min-width: 0; }
.filtros input, .filtros select, .chat-form textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--paper); border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 0 12px; min-height: var(--alvo); width: 100%; accent-color: var(--sol-strong); }
.filtros input:focus, .filtros select:focus { border-color: var(--ink-3); outline: none; box-shadow: 0 0 0 3px var(--sol); }
#filtro-conta { flex: 0 0 auto; color: var(--ink-3); font-size: var(--step--1); padding-bottom: 12px; }

/* ---------- chat ---------- */
.chat { max-width: 860px; padding-block: clamp(28px, 5vw, 56px) clamp(48px, 7vw, 96px); }
.chat-log { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 14px; }
.chat-log:empty { display: none; }
.msg { border-radius: var(--r-lg); padding: 16px 20px; min-width: 0; }
.msg-user { justify-self: end; max-width: 85%; background: var(--night); color: var(--night-ink); border-bottom-right-radius: 6px; font-weight: 700; }
.msg-ia { background: var(--surface); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.msg-ia > :first-child { margin-top: 0; } .msg-ia > :last-child { margin-bottom: 0; }
.msg-fontes { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: var(--step--1); }
.msg-fontes strong { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; font-size: .85em; color: var(--ink-3); }
.msg-fontes ol { margin: 8px 0 0; padding-left: 1.4em; display: grid; gap: 6px; }
.msg-erro { background: var(--sunk); border: 1px solid var(--risk); color: var(--ink); }
.carregando { color: var(--ink-3); display: flex; align-items: center; gap: 10px; }
.carregando::before { content: ""; width: 34px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--line) 0 30%, var(--sol) 30% 60%, var(--line) 60%); background-size: 200% 100%; animation: lendo 1.2s linear infinite; }
@keyframes lendo { to { background-position: -200% 0; } }
.sugestoes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); gap: 10px; margin: 0 0 18px; }
.sugestoes p { grid-column: 1 / -1; margin: 0; font-size: var(--step--1); color: var(--ink-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .05em; }
.sugestoes button { text-align: left; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 16px; min-height: var(--alvo); cursor: pointer; line-height: 1.4; }
.sugestoes button:hover { border-color: var(--ink); }
.chat-form { display: grid; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 10px; position: sticky; bottom: max(12px, env(safe-area-inset-bottom, 0px)); box-shadow: 0 10px 30px oklch(20% 0.04 265 / .12); }
.chat-form textarea { border: 0; background: transparent; padding: 10px; resize: vertical; min-height: 84px; }
.chat-form textarea:focus { outline: none; }
.chat-form:focus-within { border-color: var(--ink-3); box-shadow: 0 0 0 3px var(--sol); }
.chat-form-rodape { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 4px 2px 10px; font-size: var(--step--1); color: var(--ink-3); }

/* ---------- rodapé ---------- */
.rodape { background: var(--night); color: var(--night-ink-2); padding-block: 40px calc(40px + env(safe-area-inset-bottom, 0px)); font-size: var(--step--1); }
.rodape-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 24px 64px; align-items: start; }
.rodape-marca { display: flex; gap: 14px; align-items: flex-start; }
.rodape-marca p { margin: 0; max-width: 48ch; }
.rodape strong { color: var(--night-ink); }
.crise { margin: 0; padding: 16px 18px; border-radius: var(--r-md); background: var(--night-2); color: var(--night-ink); }
.crise span { display: block; color: var(--night-ink-2); }
.crise strong { color: var(--sol); font-family: var(--font-mono); font-size: 1.2em; }

/* ---------- responsivo ---------- */
@media (max-width: 960px) {
  .hero-inner, .cred-inner, .rodape-inner { grid-template-columns: minmax(0, 1fr); }
  .leitura { grid-template-columns: minmax(0, 1fr); }
  .lateral { position: static; max-height: none; overflow: visible; }
  .lateral .indice-bloco { display: none; }
  .parte { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .topo { position: relative; top: 0; }
  .topo-inner { gap: 6px 12px; }
  .menu { order: 3; flex-basis: 100%; overflow-x: auto; scrollbar-width: none; margin-inline: -6px; }
  .menu a { padding: 0 10px; }
  .prefs { margin-left: auto; }
  .trilha > a, .trilha.em-breve { grid-template-columns: minmax(0, 1fr); grid-template-areas: "publico" "titulo" "resumo" "acao"; padding: 18px; }
  .trilha-acao { justify-self: start; margin-top: 8px; }
  .filtros { position: static; }
  .lista-conf li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .cap-nav { grid-template-columns: minmax(0, 1fr); }
  .cap-nav .prox { text-align: left; }
  .msg-user { max-width: 100%; }
  .busca { border-radius: var(--r-md); }
}
@media print { .topo, .rodape, .lateral, .chat-form { display: none; } body { background: #fff; color: #000; } }

/* ---------- busca ---------- */
.busca-clara { box-shadow: none; border: 1.5px solid var(--line); max-width: 720px; margin-bottom: 8px; }
.resultados { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; max-width: 820px; }
.resultados a { display: grid; gap: 4px; padding: 16px 18px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.resultados a:hover { border-color: var(--ink-3); }
.resultados strong { font: 700 var(--step-1)/1.2 var(--font-display); }
.resultados span:last-child { color: var(--ink-2); font-size: var(--step--1); }
p.exemplo-fontes { list-style: none; padding-left: 0; }
.sobre .lead { margin-bottom: 8px; }