/* ---- LIA — assistente virtual da +Advantage Academy ---- */
.bx{position:fixed;right:24px;bottom:24px;z-index:9000;font-family:Montserrat,system-ui,sans-serif}

/* botão flutuante */
.bx-abrir{display:inline-flex;align-items:center;gap:10px;font-family:inherit;font-size:14.5px;font-weight:600;letter-spacing:.01em;color:#F7F0E6;background:#C1592F;border:0;border-radius:13px;padding:14px 20px 13px;cursor:pointer;box-shadow:0 6px 24px rgba(42,24,16,.22);transition:background .25s,transform .25s,box-shadow .25s}
.bx-abrir:hover{background:#2A1810;transform:translateY(-2px);box-shadow:0 10px 30px rgba(42,24,16,.28)}
.bx-abrir svg{transition:transform .5s cubic-bezier(.2,.8,.25,1)}
.bx-abrir:hover svg{transform:rotate(90deg)}
.bx-aberta .bx-abrir{opacity:0;pointer-events:none}

/* painel */
.bx-painel{position:absolute;right:0;bottom:0;display:flex;flex-direction:column;width:min(400px,calc(100vw - 32px));height:min(600px,calc(100vh - 48px));background:#FCF8F3;border:1px solid #E4D8CA;border-radius:20px;overflow:hidden;box-shadow:0 18px 60px rgba(42,24,16,.24);animation:bx-entra .28s cubic-bezier(.2,.8,.25,1) both}
/* o atributo hidden tem de vencer o display:flex acima —
   senao o painel fica sempre aberto e o × nao faz nada */
.bx-painel[hidden]{display:none}

@keyframes bx-entra{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.bx-painel{animation:none}.bx-abrir svg{transition:none}}

.bx-topo{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px 16px;background:#2A1810;color:#F7F0E6}
.bx-topo b{display:block;font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.bx-topo span{display:block;margin-top:3px;font-size:12.5px;color:#C9BAB0}
.bx-fechar{font-family:inherit;font-size:26px;line-height:1;color:#C9BAB0;background:none;border:0;padding:0 2px;cursor:pointer;transition:color .2s}
.bx-fechar:hover{color:#F7F0E6}

/* fio de conversa */
.bx-fio{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:20px;display:flex;flex-direction:column;gap:14px}
.bx-msg{max-width:88%;font-size:14.5px;line-height:1.6;border-radius:16px;padding:13px 16px;text-wrap:pretty}
.bx-msg p+p{margin-top:9px}
.bx-msg b{font-weight:700;color:#2A1810}
.bx-ela{align-self:flex-start;color:#5C4A3E;background:#FFF;border:1px solid #E4D8CA;border-bottom-left-radius:5px}
.bx-eu{align-self:flex-end;color:#F7F0E6;background:#C1592F;border-bottom-right-radius:5px}
.bx-eu b{color:inherit}

/* botões de ação dentro de uma resposta */
.bx-acoes{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.bx-acoes a{font-size:12.5px;font-weight:600;color:#C1592F;background:#FBF1EB;border:1px solid #EBD2C4;border-radius:10px;padding:9px 13px 8px;transition:background .2s,color .2s,border-color .2s}
.bx-acoes a:hover{background:#C1592F;border-color:#C1592F;color:#F7F0E6}

/* cartão de curso */
.bx-curso{display:block;margin-top:10px;padding:14px 16px;border:1px solid #E4D8CA;border-radius:13px;background:#FBF6F0;transition:border-color .2s,background .2s}
.bx-curso:hover{border-color:#C1592F;background:#FBF1EB}
.bx-curso b{display:block;font-size:14.5px;color:#2A1810}
.bx-curso span{display:block;margin-top:5px;font-size:12.5px;line-height:1.5;color:#8C7869}
.bx-curso em{display:block;margin-top:7px;font-style:normal;font-size:12px;font-weight:600;color:#C1592F}

/* sugestões iniciais */
.bx-chips{display:flex;flex-wrap:wrap;gap:8px}
.bx-chips button{font-family:inherit;font-size:12.5px;font-weight:500;color:#7A4A18;background:transparent;border:1px solid #DCC9B4;border-radius:11px;padding:9px 13px 8px;cursor:pointer;transition:border-color .2s,color .2s}
.bx-chips button:hover{border-color:#C1592F;color:#C1592F}

/* caixa de escrita */
.bx-forma{display:flex;gap:9px;padding:14px 16px;border-top:1px solid #E4D8CA;background:#FCF8F3}
.bx-forma input{flex:1;min-width:0;font-family:inherit;font-size:14.5px;color:#2A1810;background:#FFF;border:1px solid #E4D8CA;border-radius:12px;padding:12px 14px;transition:border-color .2s}
.bx-forma input:focus{outline:0;border-color:#C1592F}
.bx-forma button{flex:none;display:grid;place-items:center;width:44px;color:#F7F0E6;background:#C1592F;border:0;border-radius:12px;cursor:pointer;transition:background .2s}
.bx-forma button:hover{background:#2A1810}

.bx-rodape{padding:0 16px 14px;font-size:11px;line-height:1.5;color:#A2907F;text-align:center}
.bx-rodape a{color:#C1592F;border-bottom:1px solid #EBD2C4}

@media(max-width:520px){
  .bx{right:14px;bottom:14px;left:14px}
  .bx-abrir{width:100%;justify-content:center}
  .bx-painel{left:0;right:0;width:auto;height:min(560px,calc(100vh - 28px))}
}

/* rótulo do botão: "Lia · Assistente virtual" — o nome sozinho não diz a ninguém o que é.
   Em ecrãs estreitos fica só o nome, para o botão não comer o ecrã. */
.bx-abrir .bx-nome{font-weight:700}
.bx-abrir .bx-sep{font-style:normal;opacity:.5;margin:0 -2px}
.bx-abrir .bx-papel{font-weight:500;opacity:.92}
@media (max-width:560px){
  .bx-abrir .bx-sep,.bx-abrir .bx-papel{display:none}
}