/* Padrão visual Quant Energia · v1.3.1 · 2026-10 · base.css
   Fundação de todas as páginas: cores (claro/escuro), fontes IBM Plex, texto, cartões, tabelas, navegação
   e componentes da página de metodologia. Regras de uso em GUIA.md. Páginas de painel somam painel.css. */
:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --ink: #15191d;
  --ink-2: #4a535c;
  --ink-3: #7a838c;
  --rule: #dde1e5;
  --accent: #1d5f86;
  --accent-soft: #e3eef5;
  --vd: #2e9e5b; --am: #f2c230; --v1: #e35d4f; --v2: #9e1b1b; --vazio: #eceeef;
  --on-flag: #ffffff; --on-am: #15191d;
  --bar-modelo: #1d5f86; --bar-pers: #b8c0c8; --bar-saz: #8a949e; --bar-oraculo: #15191d;
  --f-display: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --f-data: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111518; --surface: #181d21; --ink: #e8ecef; --ink-2: #aab3bb; --ink-3: #7d8790;
    --rule: #2a3137; --accent: #6fb0d8; --accent-soft: #1b2a34; --vazio: #22292e;
    --bar-modelo: #6fb0d8; --bar-pers: #48525b; --bar-saz: #6b7680; --bar-oraculo: #e8ecef;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111518; --surface: #181d21; --ink: #e8ecef; --ink-2: #aab3bb; --ink-3: #7d8790;
  --rule: #2a3137; --accent: #6fb0d8; --accent-soft: #1b2a34; --vazio: #22292e;
  --bar-modelo: #6fb0d8; --bar-pers: #48525b; --bar-saz: #6b7680; --bar-oraculo: #e8ecef;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 17px; line-height: 1.55; padding-inline: 20px; padding-block: 40px 72px; }
main { max-width: 1080px; margin-inline: auto; display: grid; gap: 56px; }
.texto { max-width: 70ch; }
section { display: grid; gap: 18px; min-width: 0; }
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; margin: 0; letter-spacing: -0.005em; }
/* escala das páginas de texto corrido (metodologias); os painéis reduzem os títulos em painel.css */
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 600; line-height: 1.05; }
h2 { font-size: 1.55rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0; }
.rotulo { font-family: var(--f-data); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 62ch; }
header { display: grid; gap: 14px; padding-bottom: 28px; border-bottom: 1px solid var(--rule); }
.num { font-family: var(--f-data); font-variant-numeric: tabular-nums; }
strong { font-weight: 600; }

/* Veredito */
.veredito { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.cartao { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 22px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.cartao .cifra { font-family: var(--f-display); font-weight: 600; font-size: 2.6rem; line-height: 1; }
.cartao .cifra small { font-size: 1rem; font-weight: 500; color: var(--ink-3); }
.selo { justify-self: start; font-family: var(--f-data); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border-radius: 3px; }
.selo.usar { background: var(--accent-soft); color: var(--accent); }
.selo.cenario { background: var(--vazio); color: var(--ink-2); }

/* Fluxo */
.fluxo { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); overflow: hidden; }
.passo { padding: 18px; display: grid; gap: 6px; align-content: start; border-right: 1px solid var(--rule); min-width: 0; }
.passo:last-child { border-right: 0; }
.passo .n { font-family: var(--f-data); color: var(--accent); font-size: 0.85rem; }
.passo p { font-size: 0.95rem; color: var(--ink-2); }
@media (max-width: 860px) { .passo { border-right: 0; border-bottom: 1px solid var(--rule); } .passo:last-child { border-bottom: 0; } }

/* Gráfico */
.grafico { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 18px 18px 10px; position: relative; min-width: 0; }
.legenda { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.9rem; color: var(--ink-2); margin-bottom: 8px; }
.legenda span { display: inline-flex; align-items: center; gap: 7px; }
.legenda i { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }
.legenda i.linha { height: 0; border-top: 2px dashed var(--bar-oraculo); width: 18px; border-radius: 0; }
svg text { font-family: var(--f-data); font-size: 11px; fill: var(--ink-3); }
svg .valor { fill: var(--ink-2); font-size: 10.5px; }
.dica { position: absolute; pointer-events: none; background: var(--ink); color: var(--bg); font-size: 0.85rem; padding: 7px 10px; border-radius: 4px; white-space: nowrap; transform: translate(-50%, -110%); }
details { font-size: 0.95rem; }
summary { cursor: pointer; color: var(--accent); }
summary:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Tabelas */
.rolagem { overflow-x: auto; min-width: 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; background: var(--surface); }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: var(--f-data); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
td.n, th.n { text-align: right; font-family: var(--f-data); font-variant-numeric: tabular-nums; }
tr.destaque td { font-weight: 600; }

figure { margin: 0; display: grid; gap: 8px; min-width: 0; }
figure img { width: 100%; border: 1px solid var(--rule); border-radius: 6px; background: #fcfcfb; }
figcaption { font-size: 0.9rem; color: var(--ink-3); max-width: 80ch; }

.lista { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.lista li { display: grid; grid-template-columns: 9.5rem 1fr; gap: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.lista li:last-child { border-bottom: 0; }
.tag { font-family: var(--f-data); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-3); padding-top: 3px; }
@media (max-width: 560px) { .lista li { grid-template-columns: 1fr; gap: 4px; } body { font-size: 16px; } }
.formula { font-family: var(--f-data); background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 14px 16px; font-size: 0.95rem; overflow-x: auto; }
ol.passos { margin: 0; padding-left: 1.3rem; display: grid; gap: 10px; }
footer { color: var(--ink-3); font-size: 0.85rem; border-top: 1px solid var(--rule); padding-top: 16px; }

/* Navegação entre as páginas */
.nav { display: flex; flex-wrap: wrap; gap: 6px 20px; align-items: baseline; font-size: 0.95rem; }
/* marca do projeto: maior que os links do menu (v1.3) */
.nav .marca { font-family: var(--f-display); font-weight: 600; font-size: 1.25rem; margin-right: auto; }
.nav a { color: var(--ink-2); text-decoration: none; padding-block: 2px; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* Página de metodologia */
.indice { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.92rem; }
.indice a { color: var(--accent); }
.eq { font-family: var(--f-data); background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: 4px; padding: 12px 16px; font-size: 0.92rem; line-height: 1.7; overflow-x: auto; }
.eq var { font-style: italic; }
.nota { font-size: 0.92rem; color: var(--ink-2); background: var(--accent-soft); border-radius: 4px; padding: 12px 16px; }
.passo-det { display: grid; grid-template-columns: 3.2rem 1fr; gap: 6px 16px; padding-block: 18px; border-top: 1px solid var(--rule); }
.passo-det > .n { font-family: var(--f-display); font-weight: 600; font-size: 1.9rem; color: var(--accent); line-height: 1; }
.passo-det > div { display: grid; gap: 10px; min-width: 0; }
@media (max-width: 560px) { .passo-det { grid-template-columns: 1fr; } }
code { font-family: var(--f-data); font-size: 0.88em; background: var(--vazio); padding: 1px 5px; border-radius: 3px; }
dl.glossario { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 0; }
dl.glossario dt { font-family: var(--f-data); font-size: 0.85rem; font-weight: 500; padding-top: 2px; }
dl.glossario dd { margin: 0; color: var(--ink-2); }
@media (max-width: 560px) { dl.glossario { grid-template-columns: 1fr; } dl.glossario dd { padding-bottom: 6px; } }
.status { font-family: var(--f-data); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.status.ok { color: var(--accent); } .status.teste { color: var(--ink-3); }

/* na aplicação, a marca é link para a página inicial */
.nav a.marca { color: var(--ink); border-bottom: 0; }