/* documentation-os.we-solve.io — estilo «referência de API, mas direto». Sem dependências. Telemóvel primeiro. */
:root{
  --preto:#0f1012; --tinta:#17191c; --grafite:#2a2d31; --linha:#e5e7eb; --linha-escura:#33373d;
  --papel:#ffffff; --fundo:#f6f7f9; --texto:#1b1d21; --suave:#5b6168; --acento:#3b82f6; --acento-forte:#2563eb;
  --codigo-fundo:#f2f3f5; --aviso:#8a5a00; --aviso-fundo:#fff7e6; --erro:#b42318;
  --radio:12px; --radio-s:8px; --max:860px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--texto);background:var(--fundo)}
a{color:var(--acento-forte);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;color:var(--preto);font-weight:680}
h1{font-size:1.7rem;margin:0 0 .6rem}
h2{font-size:1.28rem;margin:2rem 0 .6rem;padding-top:.4rem}
h3{font-size:1.08rem;margin:1.5rem 0 .4rem}
code{font:0.92em/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--codigo-fundo);padding:.12em .4em;border-radius:6px;border:1px solid var(--linha)}
pre{background:var(--tinta);color:#e8eaed;padding:16px 18px;border-radius:var(--radio-s);overflow:auto;border:1px solid var(--linha-escura)}
pre code{background:none;border:none;color:inherit;padding:0}
blockquote{margin:1rem 0;padding:.6rem 1rem;border-left:3px solid var(--acento);background:#eef4ff;border-radius:0 var(--radio-s) var(--radio-s) 0;color:#334}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--linha);padding:.5rem .7rem;text-align:left;vertical-align:top}
th{background:var(--codigo-fundo);font-weight:650}
hr{border:none;border-top:1px solid var(--linha);margin:2rem 0}
ul,ol{padding-left:1.4rem}
li{margin:.25rem 0}

/* — página centrada (portão, erros) — */
body.portao,body.simples{display:flex;min-height:100vh;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#1b1d21,#0f1012)}
.centro{width:100%;padding:24px}
.cartao{max-width:420px;margin:0 auto;background:var(--papel);border-radius:var(--radio);padding:28px 26px;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.topo{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--preto)}
.logo{display:inline-flex;align-items:center;color:var(--preto)}
.logo-nome{font-weight:680;font-size:.95rem}
.cartao h1{font-size:1.3rem}
.cartao .nota{color:var(--suave);font-size:.92rem;margin:.2rem 0 1rem}
.cartao label{display:block;font-size:.85rem;font-weight:600;margin:.2rem 0 .3rem;color:var(--suave)}
.cartao input[type=password]{width:100%;padding:.7rem .8rem;border:1px solid var(--linha);border-radius:var(--radio-s);font-size:1rem}
.cartao input[type=password]:focus{outline:2px solid var(--acento);border-color:var(--acento)}
.cartao button{width:100%;margin-top:14px;padding:.7rem 1rem;border:none;border-radius:var(--radio-s);background:var(--preto);color:#fff;font-size:1rem;font-weight:600;cursor:pointer}
.cartao button:hover{background:#000}
.cartao button[disabled]{opacity:.5;cursor:not-allowed}
.erro{color:var(--erro);background:#fee4e2;border:1px solid #fecaca;padding:.55rem .7rem;border-radius:var(--radio-s);font-size:.92rem}
.aviso{color:var(--aviso);background:var(--aviso-fundo);border:1px solid #ffe3a3;padding:.6rem .75rem;border-radius:var(--radio-s);font-size:.93rem}

/* — disposição com barra lateral — */
.disposicao{display:flex;min-height:100vh}
.lado{width:270px;flex:0 0 270px;background:var(--preto);color:#c9ccd1;padding:20px 16px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column}
.lado-topo{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:18px}
.lado .logo{color:#fff}
.lado nav{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-grupo{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#7b818a;margin:16px 8px 4px}
.nav-item{color:#c9ccd1;padding:.4rem .6rem;border-radius:var(--radio-s);font-size:.95rem}
.nav-item:hover{background:#1e2126;color:#fff;text-decoration:none}
.nav-item.ativo{background:var(--acento-forte);color:#fff}
.sair{margin-top:14px}
.sair button{width:100%;background:#1e2126;color:#c9ccd1;border:1px solid var(--linha-escura);padding:.5rem;border-radius:var(--radio-s);cursor:pointer;font-size:.9rem}
.sair button:hover{background:#2a2d31;color:#fff}
.conteudo{flex:1;min-width:0;padding:40px clamp(16px,5vw,56px)}
.conteudo article{max-width:var(--max)}
.conteudo p,.conteudo li{color:#24262b}
.nota{color:var(--suave);font-size:.94rem}

/* — ladrilhos da página inicial — */
.grelha{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:.6rem 0 1rem}
.ladrilho{display:flex;align-items:center;min-height:64px;padding:14px 16px;background:var(--papel);border:1px solid var(--linha);border-radius:var(--radio);color:var(--preto);font-weight:600}
.ladrilho:hover{border-color:var(--acento);box-shadow:0 2px 10px rgba(37,99,235,.12);text-decoration:none}
.downloads{list-style:none;padding:0}
.downloads li{padding:.6rem .8rem;border:1px solid var(--linha);border-radius:var(--radio-s);margin:.4rem 0;background:var(--papel)}
.downloads .desc{color:var(--suave);font-size:.9rem}

@media (max-width:820px){
  .disposicao{flex-direction:column}
  .lado{width:auto;flex:none;position:static;height:auto;flex-direction:column}
  .lado nav{flex-direction:row;flex-wrap:wrap;gap:4px}
  .nav-grupo{width:100%;margin:10px 4px 2px}
  .conteudo{padding:24px 18px}
}