/*
 * Folha única das páginas públicas estáticas: 404, Política de Privacidade, Termos de Uso e Suporte.
 *
 * Estas páginas não passam pelo build do React, por isso não enxergam
 * frontend/src/styles/ds/tokens.css. Os tokens abaixo são a única cópia permitida da paleta fora do
 * design system: mesmos nomes e mesmos valores, conferidos por tests/unit/paginasPublicas.test.js.
 * Mudou um token lá, mude aqui (o teste avisa). Nenhuma página pública define cor, raio ou sombra própria.
 */
:root {
  --ds-font-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --ds-text-sm: 13px;
  --ds-text-base: 14px;
  --ds-text-md: var(--ds-text-base);
  --ds-text-lg: 16px;
  --ds-text-xl: 18px;
  --ds-text-2xl: 22px;
  --ds-text-title: 22px;
  --ds-text-3xl: var(--ds-text-2xl);
  --ds-text-4xl: var(--ds-text-title);

  --ds-leading-tight: 1.12;
  --ds-leading-snug: 1.25;
  --ds-leading-relaxed: 1.55;
  --ds-track-title: -0.02em;
  --ds-track-caps: 0.05em;

  --ds-weight-medium: 500;
  --ds-weight-semibold: 600;
  --ds-weight-bold: 700;

  --ds-radius-md: 12px;
  --ds-radius-lg: 16px;
  --ds-radius-xl: 20px;
  --ds-radius-pill: 999px;

  --ds-focus-w: 2px;
  --ds-touch: 44px;
  --ds-dur-fast: 120ms;
  --ds-ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Tema claro: é o padrão, inclusive sem JavaScript. */
:root,
html[data-theme='light'] {
  color-scheme: light;
  --ds-canvas: #f8f7f4;
  --ds-surface: #ffffff;
  --ds-surface-raised: #fbfaf8;
  --ds-tint: #f2f1ee;
  --ds-ink: #1c1b18;
  --ds-ink-2: #46433d;
  --ds-ink-muted: #6d6961;
  --ds-line: rgb(28 27 24 / 0.085);
  --ds-line-strong: rgb(28 27 24 / 0.14);
  --ds-line-control: #8f8a81;
  --ds-accent: #dda235;
  --ds-accent-hover: #d0952a;
  --ds-accent-ink: #1f1705;
  --ds-accent-text: #80600f;
  --ds-focus: #c28a22;
  --ds-shadow-1: 0 1px 2px rgb(20 19 16 / 0.04), 0 6px 16px -10px rgb(20 19 16 / 0.10);
  --ds-shadow-primary: 0 2px 6px -2px rgb(122 86 16 / 0.35);
}

/* Tema escuro: o mesmo que a pessoa escolheu no sistema (chave meu-ecoo:theme:v2). */
html[data-theme='dark'] {
  color-scheme: dark;
  --ds-canvas: #121211;
  --ds-surface: #1a1a18;
  --ds-surface-raised: #20201d;
  --ds-tint: #22221f;
  --ds-ink: #f2f0eb;
  --ds-ink-2: #cbc7bf;
  --ds-ink-muted: #a8a29a;
  --ds-line: rgb(255 255 255 / 0.08);
  --ds-line-strong: rgb(255 255 255 / 0.13);
  --ds-line-control: #6f6b64;
  --ds-accent: #e6b23f;
  --ds-accent-hover: #efc25e;
  --ds-accent-ink: #1a1405;
  --ds-accent-text: #e8c576;
  --ds-focus: #e3ae42;
  --ds-shadow-1: 0 1px 2px rgb(0 0 0 / 0.3), 0 6px 16px -10px rgb(0 0 0 / 0.45);
  --ds-shadow-primary: 0 2px 6px -2px rgb(0 0 0 / 0.5);
}

/* ------------------------------------------------------------------ base */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--ds-canvas);
  color: var(--ds-ink);
  font-family: var(--ds-font-sans);
  font-size: var(--ds-text-md);
  line-height: var(--ds-leading-relaxed);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
/* O respiro de cima deixa o botão de tema (fixo no canto) fora do cabeçalho em qualquer largura. */
.wrap { max-width: 760px; margin: 0 auto; padding: 4.5rem 1.5rem 4rem; }

h1 { font-size: var(--ds-text-4xl); font-weight: var(--ds-weight-bold); line-height: var(--ds-leading-snug); letter-spacing: var(--ds-track-title); }
h2 { margin: 2rem 0 0.75rem; color: var(--ds-accent-text); font-size: var(--ds-text-sm); font-weight: var(--ds-weight-semibold); text-transform: uppercase; letter-spacing: var(--ds-track-caps); }
h3 { margin: 1.25rem 0 0.5rem; font-size: var(--ds-text-md); font-weight: var(--ds-weight-semibold); }
p { margin-bottom: 0.75rem; }
ul { margin: 0.5rem 0 0.75rem 1.1rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--ds-accent-text); }

a { color: var(--ds-accent-text); text-underline-offset: 2px; transition: color var(--ds-dur-fast) var(--ds-ease-out); }
a:hover { color: var(--ds-ink); }
button:focus-visible, a:focus-visible { outline: var(--ds-focus-w) solid var(--ds-focus); outline-offset: 3px; }

.subtitle { max-width: 560px; margin-bottom: 2.5rem; color: var(--ds-ink-muted); font-size: var(--ds-text-lg); }
.updated, .nota { color: var(--ds-ink-muted); font-size: var(--ds-text-sm); }
.updated { margin-bottom: 1.25rem; }
.nota { font-size: var(--ds-text-base); }

/* ------------------------------------------------------------- controles */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--ds-touch); padding: 0 18px;
  border: 1px solid var(--ds-line-strong); border-radius: var(--ds-radius-md);
  background: var(--ds-surface); color: var(--ds-ink);
  font-size: var(--ds-text-base); font-weight: var(--ds-weight-medium); text-decoration: none;
  transition: background var(--ds-dur-fast) var(--ds-ease-out), border-color var(--ds-dur-fast) var(--ds-ease-out);
}
.btn:hover { background: var(--ds-surface-raised); border-color: var(--ds-line-control); color: var(--ds-ink); }
.btn-primary { background: var(--ds-accent); border-color: var(--ds-accent); color: var(--ds-accent-ink); font-weight: var(--ds-weight-semibold); box-shadow: var(--ds-shadow-primary); }
.btn-primary:hover { background: var(--ds-accent-hover); border-color: var(--ds-accent-hover); color: var(--ds-accent-ink); }

.theme-toggle {
  position: fixed; top: 18px; right: 18px; z-index: 10;
  min-height: 36px; padding: 0 14px;
  border: 1px solid var(--ds-line-strong); border-radius: var(--ds-radius-pill);
  background: var(--ds-surface); color: var(--ds-ink); box-shadow: var(--ds-shadow-1);
  font: var(--ds-weight-semibold) var(--ds-text-sm) var(--ds-font-sans); cursor: pointer;
}
.theme-toggle:hover { border-color: var(--ds-line-control); }

/* ------------------------------------------------------------ superfícies */
.card { padding: 1.5rem; border: 1px solid var(--ds-line); border-radius: var(--ds-radius-xl); background: var(--ds-surface); box-shadow: var(--ds-shadow-1); }
section > h2:first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
.intro, .callout, .toc { border: 1px solid var(--ds-line); border-radius: var(--ds-radius-lg); background: var(--ds-surface); }
.intro { margin-bottom: 2rem; padding: 14px 16px; }
.callout { margin: 0.75rem 0 1.25rem; padding: 14px 16px; border-color: var(--ds-line-strong); font-size: var(--ds-text-base); }
.toc { margin-bottom: 2rem; padding: 16px 18px; }
.toc p { margin-bottom: 0.6rem; color: var(--ds-ink-muted); font-size: var(--ds-text-sm); text-transform: uppercase; letter-spacing: var(--ds-track-caps); }
/* Os itens do sumário já trazem o número no texto: a lista não numera de novo. */
.toc ol { margin: 0; list-style: none; font-size: var(--ds-text-base); }
.toc li { margin-bottom: 0.3rem; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

table { width: 100%; margin: 0.75rem 0 1.25rem; border-collapse: collapse; font-size: var(--ds-text-base); }
th, td { padding: 9px 10px; border: 1px solid var(--ds-line-strong); text-align: left; vertical-align: top; }
th { background: var(--ds-tint); font-weight: var(--ds-weight-semibold); }
/* No celular as três colunas dividem a largura e as palavras longas quebram: a tabela não passa da tela. */
@media (max-width: 640px) {
  table { table-layout: fixed; font-size: var(--ds-text-sm); }
  th, td { padding: 8px; overflow-wrap: anywhere; hyphens: auto; }
}

/* --------------------------------------------------- cabeçalhos e rodapé */
header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.logo, .logo img, .legal-header img { display: block; }
.logo img, .legal-header img { width: 170px; height: auto; }
.legal-header { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 0.5rem; }
header + h1 { margin-bottom: 0.75rem; }

section { margin-bottom: 2.25rem; }
.contact-email { font-size: var(--ds-text-xl); font-weight: var(--ds-weight-semibold); text-decoration: none; }
.contact-email:hover { text-decoration: underline; }
.faq { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--ds-line); }
.faq:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.faq h3 { margin: 0 0 0.4rem; }
.faq p { color: var(--ds-ink-muted); }

footer { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem 1.25rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--ds-line); color: var(--ds-ink-muted); font-size: var(--ds-text-sm); text-align: center; }
footer a { display: inline-flex; align-items: center; min-height: var(--ds-touch); color: var(--ds-ink-muted); text-decoration: none; }
footer a:hover { color: var(--ds-ink); text-decoration: underline; }
.copyright-notice { flex-basis: 100%; color: var(--ds-ink-muted); font-size: var(--ds-text-sm); }

/* -------------------------------------------------------------------- 404 */
.pagina-erro { display: grid; place-items: center; min-height: 100vh; min-height: 100dvh; padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left)); }
.pagina-erro main { width: min(100%, 34rem); padding: 2rem 0.5rem; text-align: center; }
.pagina-erro main img { display: block; width: 190px; max-width: 100%; height: auto; margin: 0 auto 2.5rem; }
.erro-codigo { margin-bottom: 0.5rem; color: var(--ds-accent-text); font-size: clamp(3rem, 14vw, 4rem); font-weight: var(--ds-weight-bold); line-height: var(--ds-leading-tight); letter-spacing: var(--ds-track-title); }
.pagina-erro h1 { margin-bottom: 0.75rem; font-size: var(--ds-text-3xl); }
.pagina-erro .subtitle { max-width: none; margin-bottom: 1.5rem; font-size: var(--ds-text-md); }
.acoes { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.pagina-erro .copyright-notice { margin: 2rem 0 0; }

/* Mesma regra do design system: título de página com 26px a partir de 1024px. */
@media (min-width: 1024px) {
  :root { --ds-text-title: 26px; }
}