/* PoolSync Library — estilo do site. Claro e escuro automáticos; sem recursos externos. */
:root {
  --azul: #0067c0;
  --bg: #ffffff;
  --bg-suave: #f3f6fa;
  --superficie: #ffffff;
  --texto: #1b1b1b;
  --texto-suave: #4a4f57;
  --borda: #d6dce4;
  --link: #0058a6;
  --botao-bg: #0067c0;
  --botao-texto: #ffffff;
  --botao-hover: #005299;
  --foco: #0067c0;
  --aviso-bg: #fff6dd;
  --aviso-borda: #e3c36a;
  --sombra: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  --raio: 12px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181a1d;
    --bg-suave: #202328;
    --superficie: #23262b;
    --texto: #f1f3f5;
    --texto-suave: #b9c0c9;
    --borda: #3a3f46;
    --link: #6cb8ff;
    --botao-bg: #4aa8ff;
    --botao-texto: #04121f;
    --botao-hover: #7bbfff;
    --foco: #8cc8ff;
    --aviso-bg: #3a3118;
    --aviso-borda: #7a6628;
    --sombra: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--texto);
  font: 400 1.0625rem/1.65 "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--foco); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.45rem, 3.5vw, 1.9rem); font-weight: 650; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0 0 1em; }
code, kbd { font: 0.92em ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--bg-suave); border: 1px solid var(--borda); border-radius: 6px; padding: .08em .4em; overflow-wrap: anywhere; }

.contorno { width: min(100% - 32px, 1080px); margin-inline: auto; }
.estreito { width: min(100% - 32px, 780px); margin-inline: auto; }

.pular { position: absolute; left: -999px; top: 8px; background: var(--botao-bg); color: var(--botao-texto); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.pular:focus { left: 8px; }

/* cabeçalho */
.topo { border-bottom: 1px solid var(--borda); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.topo .contorno { display: flex; align-items: center; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-block: 10px; }
.marca { display: inline-flex; align-items: center; gap: 10px; color: var(--texto); text-decoration: none; font-weight: 650; font-size: 1.15rem; }
.marca img { width: 36px; height: 36px; }
.menu { display: flex; flex-wrap: wrap; gap: 4px 6px; }
.menu a { color: var(--texto); text-decoration: none; padding: 8px 14px; border-radius: 8px; font-weight: 500; }
.menu a:hover { background: var(--bg-suave); }
.menu a[aria-current="page"] { background: var(--bg-suave); color: var(--link); font-weight: 650; }

/* botões */
.botao { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; background: var(--botao-bg); color: var(--botao-texto); text-decoration: none; font-weight: 650; font-size: 1.1rem; padding: 14px 28px; border-radius: 10px; box-shadow: var(--sombra); line-height: 1.3; }
.botao:hover { background: var(--botao-hover); }
.botao small { font-weight: 400; font-size: .85rem; opacity: .92; }
.botao-claro { background: var(--bg-suave); color: var(--texto); border: 1px solid var(--borda); box-shadow: none; }
.botao-claro:hover { background: var(--borda); }

/* hero */
.hero { background: linear-gradient(180deg, var(--bg-suave), var(--bg)); padding: 48px 0 40px; }
.hero .contorno { display: grid; gap: 36px; align-items: center; }
.hero p.sub { font-size: 1.2rem; color: var(--texto-suave); max-width: 38em; }
.acoes { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 24px; }
.hero .breve { color: var(--texto-suave); font-size: .95rem; margin: 10px 0 0; }
.janela { border-radius: var(--raio); border: 1px solid var(--borda); box-shadow: var(--sombra); display: block; width: 100%; }
@media (min-width: 900px) { .hero .contorno { grid-template-columns: 1fr 1.1fr; } }

section { padding-block: 40px; }
section.suave { background: var(--bg-suave); }
.intro { color: var(--texto-suave); max-width: 40em; }

/* cartões */
.cartoes { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 20px; }
.cartao { background: var(--superficie); border: 1px solid var(--borda); border-radius: var(--raio); padding: 22px; box-shadow: var(--sombra); }
.cartao h3 { margin-bottom: .4em; }
.cartao p { margin: 0; color: var(--texto-suave); }

/* passos */
.passos { list-style: none; counter-reset: passo; margin: 24px 0 0; padding: 0; display: grid; gap: 28px; }
.passos > li { counter-increment: passo; display: grid; gap: 14px 28px; align-items: center; }
.passos > li > div > h3::before { content: counter(passo); display: inline-grid; place-items: center; width: 1.9em; height: 1.9em; margin-right: .55em; border-radius: 50%; background: var(--azul); color: #fff; font-size: .9rem; vertical-align: .08em; }
/* Só o texto do passo; a ilustração do aviso do Windows (também um p dentro do li) tem cores próprias. */
.passos > li > div > p { color: var(--texto-suave); margin: 0; }
@media (min-width: 800px) {
  .passos > li { grid-template-columns: 1fr 1.3fr; }
  .passos > li:nth-child(even) > div { order: 2; }
}

.destaque { background: var(--superficie); border: 1px solid var(--borda); border-left: 5px solid var(--azul); border-radius: var(--raio); padding: 20px 22px; }
.destaque p:last-child { margin-bottom: 0; }
.aviso { background: var(--aviso-bg); border: 1px solid var(--aviso-borda); border-radius: var(--raio); padding: 16px 20px; margin: 20px 0; }
.aviso p:last-child { margin-bottom: 0; }

/* ilustração do aviso do Windows */
.smartscreen { max-width: 460px; background: #0b5aa8; color: #fff; border-radius: 6px; padding: 22px 24px 18px; box-shadow: var(--sombra); font-family: "Segoe UI", system-ui, sans-serif; line-height: 1.45; border: 1px solid rgba(255, 255, 255, .25); }
/* Os textos dos passos usam cor suave; dentro da caixa azul tudo precisa ser branco. */
.smartscreen p, .smartscreen span, .smartscreen dt, .smartscreen dd { color: #fff; }
.smartscreen .ss-titulo { font-size: 1.35rem; font-weight: 600; margin: 0 0 10px; }
.smartscreen .ss-texto { font-size: .95rem; margin: 0 0 14px; }
.smartscreen .ss-link { display: inline-block; font-size: .95rem; text-decoration: underline; padding: 2px 4px; margin-left: -4px; }
.smartscreen .ss-link.marcado { outline: 3px solid #ffd54a; outline-offset: 2px; border-radius: 2px; font-weight: 700; }
.smartscreen .ss-detalhes { font-size: .88rem; margin: 6px 0 14px; }
.smartscreen .ss-detalhes dt { display: inline; opacity: .85; }
.smartscreen .ss-detalhes dd { display: inline; margin: 0 0 0 4px; font-weight: 600; }
.smartscreen .ss-detalhes div { margin-bottom: 2px; }
.smartscreen .ss-botoes { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.smartscreen .ss-bt { background: #fff; color: #0b3d75; border: 2px solid transparent; padding: 7px 16px; font-size: .92rem; font-weight: 600; border-radius: 3px; }
.smartscreen .ss-bt.sec { background: transparent; color: #fff; border-color: #fff; }
.smartscreen .ss-bt.marcado { outline: 3px solid #ffd54a; outline-offset: 2px; }
/* ilustrações do Android: mesma caixa azul, com textos brancos, no formato de uma tela de celular */
.smartscreen.celular { max-width: 340px; border-radius: 18px; font-family: Roboto, system-ui, sans-serif; }
.smartscreen .ss-opcao { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 8px; margin: 4px -8px 0; border-radius: 8px; font-weight: 600; }
.smartscreen .ss-opcao.marcado { outline: 3px solid #ffd54a; outline-offset: 2px; }
.smartscreen .ss-chave { flex: none; position: relative; width: 42px; height: 24px; border-radius: 12px; background: #fff; }
.smartscreen .ss-chave::after { content: ""; position: absolute; top: 3px; right: 3px; width: 18px; height: 18px; border-radius: 50%; background: #0b5aa8; }
.ilustra-legenda { color: var(--texto-suave); font-size: .9rem; margin: 8px 0 0; }

/* tabela de estados */
.tabela-rolagem { overflow-x: auto; margin: 16px 0; border: 1px solid var(--borda); border-radius: var(--raio); }
table { border-collapse: collapse; width: 100%; min-width: 520px; background: var(--superficie); }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--borda); vertical-align: top; }
th { background: var(--bg-suave); font-weight: 650; font-size: .95rem; }
tr:last-child td { border-bottom: 0; }
td img { width: 32px; height: 32px; display: block; }
td.icone { width: 64px; }

/* ajuda */
.indice { background: var(--bg-suave); border: 1px solid var(--borda); border-radius: var(--raio); padding: 18px 22px; margin: 20px 0 8px; }
.indice p { font-weight: 650; margin-bottom: .4em; }
.indice ol { margin: 0; padding-left: 1.3em; columns: 2 260px; column-gap: 32px; }
.indice li { margin-bottom: .25em; break-inside: avoid; }
.secao-ajuda { scroll-margin-top: 90px; padding-block: 28px; border-top: 1px solid var(--borda); }
.secao-ajuda:first-of-type { border-top: 0; }
.secao-ajuda ol, .secao-ajuda ul { padding-left: 1.4em; }
.secao-ajuda li { margin-bottom: .45em; }
.secao-ajuda figure { margin: 18px 0; }
.secao-ajuda figcaption { color: var(--texto-suave); font-size: .9rem; margin-top: 8px; }

details { background: var(--superficie); border: 1px solid var(--borda); border-radius: 10px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 14px 18px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.3rem; line-height: 1; color: var(--link); flex: none; }
details[open] > summary::after { content: "\2212"; }
details > div { padding: 0 18px 8px; color: var(--texto-suave); }

/* rodapé */
.rodape { border-top: 1px solid var(--borda); background: var(--bg-suave); padding: 28px 0 36px; margin-top: 32px; color: var(--texto-suave); font-size: .92rem; }
.rodape .contorno { display: grid; gap: 12px; }
.rodape nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.rodape p { margin: 0; }

@media (max-width: 520px) {
  .hero { padding-top: 32px; }
  .botao { width: 100%; }
  .smartscreen { padding: 18px 16px 14px; }
  .smartscreen .ss-botoes { justify-content: stretch; }
  .smartscreen .ss-bt { flex: 1; text-align: center; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.mt { margin-top: 20px; }
img.janela[width="720"] { max-width: 480px; }