/* Documentação do FórmulaChat: os mesmos tokens do app (marca Núcleo), branco limpo, escuro pelo aparelho. */
:root {
  --bg: #ffffff; --surface: #f5f7f5; --line: rgba(7, 27, 25, .08); --text: #0b1f1c; --muted: #5d726d;
  --brand: #087a5b; --brand-soft: rgba(13, 159, 118, .1);
  --fonte: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; --titulo: "Manrope", "Inter", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b141a; --surface: #111b21; --line: rgba(255, 255, 255, .07); --text: #e9edef; --muted: #8f9ea6; --brand: #65e6bd; --brand-soft: rgba(101, 230, 189, .12); }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.65 var(--fonte); }
a { color: var(--brand); }
.topo { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.marca { display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font: 600 17px var(--titulo); }
.marca b { font-weight: 800; margin-right: -8px; }
.marca span { margin-left: 8px; padding-left: 10px; border-left: 1px solid var(--line); color: var(--muted); font: 500 14px var(--fonte); }
.topo nav { display: flex; gap: 14px; font-size: 14px; }
.topo nav a { color: var(--muted); text-decoration: none; }
.corpo { display: grid; grid-template-columns: 240px minmax(0, 1fr); max-width: 1120px; margin: 0 auto; }
aside nav { position: sticky; top: 64px; display: flex; flex-direction: column; padding: 20px 12px; }
aside a { padding: 7px 12px; border-radius: 9px; color: var(--muted); text-decoration: none; font-size: 14.5px; }
aside a:hover { background: var(--surface); color: var(--text); }
aside a[aria-current] { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
main { min-width: 0; padding: 28px 32px 64px; max-width: 760px; }
h1, h2, h3 { font-family: var(--titulo); letter-spacing: -.02em; line-height: 1.2; }
h1 { font-size: 34px; margin: 4px 0 16px; }
h2 { font-size: 22px; margin: 34px 0 10px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
.lead { font-size: 18px; color: var(--muted); }
li { margin: 4px 0; }
code { padding: 1px 6px; border-radius: 6px; background: var(--surface); font-size: .92em; }
blockquote { margin: 18px 0; padding: 12px 16px; border-radius: 12px; background: var(--brand-soft); border-left: 3px solid var(--brand); }
.tabela { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 10px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: var(--surface); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.cartoes { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 24px; }
.cartao { display: flex; flex-direction: column; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s; }
.cartao:hover { border-color: var(--brand); transform: translateY(-1px); }
.cartao span { color: var(--muted); font-size: 14px; line-height: 1.45; }
.rodape-pag { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (max-width: 820px) {
  .corpo { grid-template-columns: minmax(0, 1fr); }
  aside { min-width: 0; }
  aside nav { position: static; flex-direction: row; overflow-x: auto; gap: 4px; padding: 10px 16px; border-bottom: 1px solid var(--line); scrollbar-width: none; }
  aside a { white-space: nowrap; }
  main { padding: 20px 16px 48px; }
  h1 { font-size: 28px; }
  .marca span { display: none; }
}