:root {
  --marinho:#0F1B2E; --marinho2:#1B2A42; --borda-escura:#22324D;
  --papel:#F5EFE6; --fundo:#FBF8F2; --ouro:#E3A445; --ouro2:#F0B95E;
  --vermelho:#B31942; --linha:#E4DCCF; --cinza:#5A6170; --cinza-claro:#C9CFDA; --texto2:#3A4558;
  --serif:'Source Serif 4',Georgia,serif;
  --sans:'Hanken Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --largura-lateral:304px;
}

* { box-sizing:border-box; margin:0; padding:0; }
[hidden] { display:none !important; }
html { -webkit-text-size-adjust:100%; }
html, body { height:100%; }
body { background:var(--fundo); color:var(--marinho); font-family:var(--sans); font-size:16px; line-height:1.5; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
body.em-chat { position:fixed; inset:0; overflow:hidden; }
button, input, textarea { font:inherit; color:inherit; }
button { cursor:pointer; background:none; border:0; -webkit-tap-highlight-color:transparent; }
ul { list-style:none; }
/* Ouro sobre o fundo claro dá só 2:1. Marinho nas áreas claras, ouro onde o fundo é marinho. */
:focus-visible { outline:2px solid var(--marinho); outline-offset:2px; }
.topo :focus-visible, .capa :focus-visible { outline-color:var(--ouro); }
[tabindex="-1"]:focus { outline:none; }

.so-leitor { position:absolute; width:1px; height:1px; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }

.sprite { position:absolute; width:0; height:0; overflow:hidden; }
.listras { flex:none; height:12px; background:repeating-linear-gradient(180deg,var(--vermelho) 0 3px,#fff 3px 6px); }
.listras.finas { height:6px; }

/* marca */
.collab { --d:38px; display:flex; flex:none; }
.collab .gm, .collab .fl { width:var(--d); height:var(--d); border-radius:50%; border:2px solid var(--papel); }
.collab .gm { background:var(--marinho); display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-weight:700; font-size:calc(var(--d) * 0.37); color:var(--papel); position:relative; z-index:1; }
.collab .fl { overflow:hidden; margin-left:calc(var(--d) * -0.21); }
.collab .fl svg { width:100%; height:100%; display:block; }
.marca { display:flex; align-items:center; gap:11px; min-width:0; flex:none; }
.marca .nome { display:flex; flex-direction:column; line-height:1.05; white-space:nowrap; }
.marca .nome b { font-weight:700; font-size:17px; letter-spacing:-0.01em; }
.marca .nome i { font-family:var(--serif); font-style:italic; font-size:14.5px; color:var(--ouro); }

.selo { display:block; }

/* botões e campos */
.botao { display:flex; align-items:center; justify-content:center; width:100%; min-height:52px; padding:14px 22px; border-radius:999px; background:var(--marinho); color:var(--papel); font-weight:700; font-size:16px; box-shadow:inset 0 -3px 0 var(--ouro); transition:background .15s ease; }
.botao[disabled] { opacity:.6; cursor:default; }
.botao.discreto { background:#fff; color:var(--marinho); box-shadow:inset 0 0 0 1.5px var(--marinho); }

.campo { display:block; }
.campo span { display:block; margin-bottom:7px; font-family:var(--mono); font-weight:500; font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--cinza); }
.campo input { display:block; width:100%; height:52px; padding:0 16px; background:#fff; border:1.5px solid var(--linha); border-radius:14px; font-size:16px; transition:border-color .15s ease; }
.campo input:focus { outline:none; border-color:var(--marinho); box-shadow:0 0 0 3px rgba(227,164,69,.35); }

.erro { padding:11px 14px; background:#FBEEF1; border:1px solid #EFC7D2; border-left:4px solid var(--vermelho); border-radius:10px; color:var(--vermelho); font-size:15px; line-height:1.45; }
.aviso { padding:13px 15px; background:var(--papel); border:1px solid var(--linha); border-left:5px solid var(--ouro); border-radius:12px; font-size:15.5px; line-height:1.5; color:var(--texto2); }

/* ---------- entrar e primeiro acesso ---------- */
.acesso { min-height:100vh; min-height:100dvh; display:flex; flex-direction:column; }
.capa { flex:none; background:var(--marinho); color:var(--papel); padding:calc(16px + env(safe-area-inset-top)) 20px 28px; }
.capa-miolo { display:flex; flex-direction:column; align-items:center; text-align:center; margin-top:22px; }
.capa .selo { width:112px; height:112px; }
.capa h1 { margin-top:16px; font-family:var(--serif); font-weight:700; font-size:32px; line-height:1.1; letter-spacing:-0.02em; }
.capa h1 em { font-style:italic; font-weight:500; color:var(--ouro); }

.acesso-corpo { flex:1; display:flex; justify-content:center; padding:28px 20px calc(32px + env(safe-area-inset-bottom)); }
.painel { width:100%; max-width:420px; }
.painel h2 { font-family:var(--serif); font-weight:700; font-size:23px; line-height:1.2; letter-spacing:-0.01em; margin-bottom:20px; }
.painel form { display:flex; flex-direction:column; gap:16px; }
.painel form + form { margin-top:22px; padding-top:22px; border-top:1px solid var(--linha); }
.link { display:block; margin-top:20px; text-align:center; color:var(--marinho); font-weight:600; font-size:15.5px; text-decoration:underline; text-decoration-color:var(--ouro); text-decoration-thickness:2px; text-underline-offset:4px; }
.dica { margin-top:18px; font-size:14.5px; line-height:1.5; color:var(--cinza); text-align:center; }

/* ---------- chat ---------- */
.app { position:fixed; top:0; left:0; right:0; height:100vh; height:var(--altura,100dvh); transform:translateY(var(--desloc,0)); display:flex; flex-direction:column; background:var(--fundo); }

.topo { flex:none; display:flex; align-items:center; gap:8px; min-height:60px; padding:8px 10px; padding-top:calc(8px + env(safe-area-inset-top)); background:var(--marinho); color:var(--papel); }
.icone { flex:none; display:flex; align-items:center; justify-content:center; width:38px; height:40px; border-radius:10px; }
.icone svg { width:24px; height:24px; fill:none; stroke:var(--papel); stroke-width:2; stroke-linecap:round; }
.topo .collab { --d:32px; }
.topo .marca .nome { display:none; }
.topo .marca:has(+ .topo-rota[hidden]) .nome { display:flex; }
.topo-rota { flex:1; min-width:0; display:flex; flex-direction:column; line-height:1.2; }
.topo-rota b { font-family:var(--mono); font-weight:500; font-size:12.5px; letter-spacing:0.1em; color:var(--ouro); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.topo-rota span { font-family:var(--serif); font-style:italic; font-size:13.5px; color:var(--cinza-claro); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sair { flex:none; margin-left:auto; min-height:38px; padding:0 12px; border:1.5px solid var(--borda-escura); border-radius:999px; color:var(--papel); font-weight:600; font-size:14.5px; transition:background .15s ease; }

.miolo { flex:1; min-height:0; display:flex; position:relative; }

.lateral { position:absolute; z-index:20; top:0; bottom:0; left:0; width:min(84vw,320px); display:flex; flex-direction:column; gap:16px; padding:16px; padding-bottom:calc(16px + env(safe-area-inset-bottom)); background:var(--papel); border-right:1px solid var(--linha); transform:translateX(-102%); visibility:hidden; transition:transform .22s ease, visibility .22s; }
.lateral.aberta { transform:none; visibility:visible; box-shadow:0 20px 50px -18px rgba(15,27,46,.55); }
.veu { position:absolute; z-index:10; inset:0; background:rgba(15,27,46,.45); }

.conversas { flex:1; min-height:0; overflow-y:auto; display:flex; flex-direction:column; gap:6px; margin:0 -6px; padding:2px 6px; -webkit-overflow-scrolling:touch; }
.conversas button { display:block; width:100%; min-height:44px; padding:10px 12px; text-align:left; border-radius:12px; border:1px solid transparent; transition:background .12s ease; }
.conversas button[aria-current="true"] { background:#fff; border-color:var(--linha); box-shadow:inset 3px 0 0 var(--ouro); }
.conversas b { display:block; font-weight:600; font-size:15px; line-height:1.3; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.conversas small { display:block; margin-top:3px; font-family:var(--mono); font-weight:500; font-size:11px; letter-spacing:0.06em; color:var(--cinza); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.conversas .vazio { padding:6px 12px; font-size:14.5px; color:var(--cinza); }

.conversa { flex:1; min-width:0; display:flex; flex-direction:column; }
.rolagem { flex:1; min-height:0; overflow-y:auto; overflow-x:hidden; -webkit-overflow-scrolling:touch; overscroll-behavior:contain; }
.coluna { width:100%; max-width:760px; margin:0 auto; padding:0 16px; }
.rolagem > .coluna { min-height:100%; display:flex; flex-direction:column; padding-top:20px; padding-bottom:20px; }

.vazia { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; gap:20px; padding:24px 8px; }
.vazia .selo { width:104px; height:104px; }
.vazia p { max-width:430px; font-family:var(--serif); font-weight:600; font-size:22px; line-height:1.3; letter-spacing:-0.01em; }

.escolha { flex:1; display:flex; flex-direction:column; justify-content:center; padding:12px 0; }
.escolha h2 { font-family:var(--serif); font-weight:700; font-size:24px; line-height:1.2; letter-spacing:-0.01em; margin-bottom:16px; }
.escolha ul { display:flex; flex-direction:column; gap:10px; }
.escolha button { display:flex; align-items:center; gap:14px; width:100%; padding:14px 16px; text-align:left; background:#fff; border:1px solid var(--linha); border-radius:18px; transition:border-color .12s ease, box-shadow .12s ease; }
.escolha .num { flex:none; width:42px; height:42px; border-radius:50%; background:var(--marinho); color:var(--papel); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-weight:500; font-size:14px; box-shadow:inset 0 0 0 3px var(--marinho), inset 0 0 0 4.5px var(--papel); }
.escolha .tit { flex:1; min-width:0; display:flex; flex-direction:column; gap:1px; }
.escolha .tit b { font-family:var(--serif); font-weight:700; font-size:19px; line-height:1.2; }
.escolha .tit i { font-family:var(--serif); font-style:italic; font-size:15px; color:var(--cinza); }
.escolha .erro { margin-top:14px; }
.abrir-erro { margin-bottom:14px; }

.aviso-acesso { margin:auto 0; padding:18px 20px; background:var(--papel); border:1px solid var(--linha); border-left:5px solid var(--ouro); border-radius:16px; font-size:16.5px; line-height:1.55; color:var(--texto2); }

.mensagens { display:flex; flex-direction:column; gap:14px; }
.mensagens:empty { display:none; }
.msg { position:relative; max-width:100%; min-width:0; overflow-wrap:anywhere; }
.msg.usuario { align-self:flex-end; max-width:86%; padding:11px 16px; background:var(--marinho); color:var(--papel); border-radius:18px 18px 5px 18px; font-size:16px; line-height:1.45; white-space:pre-wrap; }
.msg.assistente { align-self:flex-start; width:100%; padding:15px 18px; background:#fff; border:1px solid var(--linha); border-radius:5px 18px 18px 18px; font-size:16px; line-height:1.55; }

.corpo-msg p + p, .corpo-msg p + ul, .corpo-msg p + ol, .corpo-msg ul + p, .corpo-msg ol + p, .corpo-msg ul + ul, .corpo-msg ol + ol, .corpo-msg ul + ol, .corpo-msg ol + ul { margin-top:10px; }
.corpo-msg ul, .corpo-msg ol { padding-left:22px; }
.corpo-msg ul { list-style:disc; }
.corpo-msg ol { list-style:decimal; }
.corpo-msg li + li { margin-top:5px; }
.corpo-msg li::marker { color:var(--cinza); }
.corpo-msg strong { font-weight:700; }
.corpo-msg a { color:var(--marinho); text-decoration:underline; text-decoration-color:var(--ouro); text-underline-offset:3px; }

.consultando { font-family:var(--serif); font-style:italic; font-size:16px; color:var(--cinza); animation:pulso 1.5s ease-in-out infinite; }
@keyframes pulso { 0%,100% { opacity:1; } 50% { opacity:.45; } }
@media (prefers-reduced-motion:reduce) {
  .consultando { animation:none; }
  .lateral, .botao, .sair { transition:none; }
}

.fontes { margin-top:12px; padding-top:10px; border-top:1px solid var(--linha); }
.fontes summary { display:inline-flex; align-items:center; gap:7px; padding:4px 0; cursor:pointer; list-style:none; font-family:var(--mono); font-weight:500; font-size:11.5px; letter-spacing:0.16em; text-transform:uppercase; color:var(--cinza); -webkit-tap-highlight-color:transparent; }
.fontes summary::-webkit-details-marker { display:none; }
.fontes summary::after { content:''; width:6px; height:6px; margin-top:-3px; border-right:1.5px solid currentColor; border-bottom:1.5px solid currentColor; transform:rotate(45deg); transition:transform .15s ease; }
.fontes[open] summary::after { margin-top:2px; transform:rotate(225deg); }
.fontes ul { margin-top:8px; display:flex; flex-direction:column; gap:10px; }
.fontes li { padding:10px 12px; background:var(--fundo); border:1px solid var(--linha); border-radius:10px; font-size:14.5px; line-height:1.45; }
.fontes li b { display:block; font-weight:700; }
.fontes li p { margin-top:3px; color:var(--texto2); }

.composer { flex:none; padding:10px 0; padding-bottom:calc(10px + env(safe-area-inset-bottom)); background:var(--fundo); border-top:1px solid var(--linha); }
.composer .erro { margin-bottom:9px; }
.contador { margin-bottom:7px; font-family:var(--mono); font-weight:500; font-size:11.5px; letter-spacing:0.08em; color:var(--cinza); text-align:right; }
.caixa { display:flex; align-items:flex-end; gap:6px; padding:6px 6px 6px 16px; background:#fff; border:1.5px solid var(--linha); border-radius:26px; transition:border-color .15s ease, box-shadow .15s ease; }
.caixa:focus-within { border-color:var(--marinho); box-shadow:0 0 0 3px rgba(227,164,69,.3); }
.caixa textarea { flex:1; min-width:0; display:block; height:40px; max-height:max(64px, min(160px, 25dvh)); padding:8px 0; border:0; background:none; resize:none; outline:none; font-size:16px; line-height:24px; }
.caixa textarea::placeholder { color:var(--cinza); }
.enviar { flex:none; display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:50%; background:var(--marinho); transition:background .15s ease; }
.enviar[disabled] { opacity:.4; cursor:default; }
.enviar svg { width:22px; height:22px; fill:none; stroke:var(--ouro); stroke-width:2.4; stroke-linecap:round; stroke-linejoin:round; }
.atalho { display:none; margin-top:6px; font-size:12.5px; color:var(--cinza); text-align:center; }

/* hover só onde existe mouse: no toque ele fica preso depois do clique */
@media (hover:hover) {
  .botao:hover { background:var(--marinho2); }
  .botao.discreto:hover { background:var(--papel); }
  .link:hover { color:var(--marinho2); }
  .icone:hover, .sair:hover { background:var(--marinho2); }
  .conversas button:hover { background:#FBF7F0; }
  .conversas button[aria-current="true"]:hover { background:#fff; }
  .escolha button:hover { border-color:var(--marinho); box-shadow:0 14px 30px -24px rgba(15,27,46,.55); }
  .enviar:hover { background:var(--marinho2); }
}

/* no celular o primeiro acesso tem mais campos: a capa encolhe pra caber com o teclado */
@media (max-width:859px) {
  .acesso.compacto .capa { padding-bottom:18px; }
  .acesso.compacto .capa-miolo { margin-top:12px; align-items:flex-start; text-align:left; }
  .acesso.compacto .capa .selo { display:none; }
  .acesso.compacto .capa h1 { margin-top:0; font-size:26px; }
  .acesso.compacto .acesso-corpo { padding-top:22px; }
}

/* ---------- telas maiores ---------- */
@media (min-width:860px) {
  .acesso { flex-direction:row; height:100dvh; min-height:560px; }
  .capa { flex:0 0 46%; display:flex; flex-direction:column; padding:28px 40px; }
  .capa-miolo { flex:1; justify-content:center; margin-top:0; padding-bottom:60px; }
  .capa .selo { width:200px; height:200px; }
  .capa h1 { margin-top:26px; font-size:46px; max-width:420px; }
  .acesso > .listras { width:12px; height:auto; background:repeating-linear-gradient(90deg,var(--vermelho) 0 3px,#fff 3px 6px); }
  .acesso-corpo { align-items:center; padding:32px 40px; overflow-y:auto; }

  .topo { padding:8px 20px; gap:18px; }
  .topo .collab { --d:36px; }
  .topo .marca .nome { display:flex; }
  .icone { display:none; }
  .topo-rota { flex-direction:row; align-items:baseline; gap:10px; padding-left:18px; border-left:1px solid var(--borda-escura); }
  .topo-rota b { font-size:13.5px; flex:none; }
  .topo-rota span { font-size:15.5px; }

  .lateral { position:static; flex:none; width:var(--largura-lateral); transform:none; visibility:visible; transition:none; box-shadow:none; }
  .lateral.aberta { box-shadow:none; }
  .veu { display:none !important; }

  .coluna { padding:0 24px; }
  .rolagem > .coluna { padding-top:28px; padding-bottom:28px; }
  .composer { padding:14px 0 12px; }
  .enviar { display:none; }
  .caixa { padding-right:16px; }
  .atalho { display:block; }
}

/* toque em tela larga continua com o botão enviar */
@media (min-width:860px) and (pointer:coarse) {
  .enviar { display:flex; }
  .caixa { padding-right:6px; }
  .atalho { display:none; }
}