@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Source+Sans+3:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --preto:#0D0D0D;
  --preto-2:#1A1710;
  --tx:#1C1710;
  --muted:#6E6154;
  --paper:#FAF8F5;
  --card:#FFFFFF;
  --ac:#FF6A00;        /* laranja da marca — ação primária */
  --ac-forte:#D65700;
  --ac-suave:#FFE3CC;
  --err:#C0392B;
  --linha:rgba(28,23,16,0.14);
  --linha-suave:rgba(28,23,16,0.08);
  --sombra: 0 1px 2px rgba(13,13,13,0.06), 0 12px 32px -14px rgba(13,13,13,0.35);
  --sombra-forte: 0 20px 48px -18px rgba(13,13,13,0.55);
}

*{box-sizing:border-box;}
html,body{ height:100%; }
body{
  margin:0;
  background:var(--paper);
  color:var(--tx);
  font-family:'Source Sans 3', ui-sans-serif, system-ui, sans-serif;
  font-size:16px;
  line-height:1.6;
}
h1,h2{ font-family:'Fraunces', Georgia, serif; text-wrap:balance; margin:0; }
a{ color:var(--ac-forte); }

/* ==== Login (split-screen) ==== */
.tela-login{ min-height:100dvh; display:flex; }

.painel-marca{
  flex:1 1 60%;
  max-width:760px;
  background:
    radial-gradient(120% 140% at 15% 10%, color-mix(in srgb, var(--ac) 22%, transparent), transparent 55%),
    linear-gradient(160deg, var(--preto) 0%, var(--preto-2) 100%);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:28px; padding:56px 40px; position:relative; overflow:hidden;
}
.painel-marca::before{
  content:''; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,0.25), transparent 40%);
  pointer-events:none;
}

.marca-card{
  background:linear-gradient(160deg, #171310, #0A0908);
  border:1px solid color-mix(in srgb, var(--ac) 30%, transparent);
  border-radius:28px; padding:36px;
  box-shadow:var(--sombra-forte), 0 0 0 1px rgba(255,255,255,0.03) inset, 0 0 60px -20px color-mix(in srgb, var(--ac) 45%, transparent);
  display:flex; align-items:center; justify-content:center; position:relative; z-index:1;
}
.marca-logo{ width:220px; height:220px; max-width:100%; object-fit:contain; border-radius:16px; display:block; }
.marca-logo-fallback{
  width:220px; height:220px; max-width:100%; border-radius:16px; display:none;
  align-items:center; justify-content:center; flex-direction:column; gap:8px;
  background:linear-gradient(135deg, #201A14, #0A0908); color:var(--ac);
  font-family:'Fraunces', serif; font-weight:700; text-align:center;
}
.marca-logo-fallback span.grande{ font-size:3rem; line-height:1; }

.painel-marca h1{ color:#fff; font-size:clamp(1.5rem, 2.4vw, 1.9rem); font-weight:700; text-align:center; position:relative; z-index:1; }
.painel-marca p{ color:rgba(255,255,255,0.68); text-align:center; max-width:340px; margin:0; font-size:0.98rem; position:relative; z-index:1; }

.painel-form{ flex:1 1 40%; display:flex; align-items:center; justify-content:center; padding:40px 24px; background:var(--paper); }
.form-wrap{ width:100%; max-width:400px; }
.form-wrap h2{ font-size:1.7rem; font-weight:700; }
.form-wrap .sub{ color:var(--muted); margin:8px 0 28px; font-size:0.98rem; }

.erro-form{
  background:color-mix(in srgb, var(--err) 12%, transparent);
  border:1px solid color-mix(in srgb, var(--err) 35%, transparent);
  color:var(--err); padding:10px 14px; border-radius:8px; font-size:0.9rem; margin-bottom:18px;
}

.botao-google{
  display:flex; align-items:center; justify-content:center; gap:12px; width:100%;
  background:#fff; border:1px solid var(--linha); border-radius:10px; padding:13px 20px;
  font-family:'Source Sans 3', sans-serif; font-weight:600; font-size:0.98rem; color:var(--tx);
  text-decoration:none; box-shadow:var(--sombra);
  transition:background .15s ease, box-shadow .15s ease, transform .15s ease;
}
.botao-google:hover{ background:#fafafa; transform:translateY(-1px); box-shadow:0 16px 32px -18px rgba(13,13,13,0.35); }
.botao-google svg{ flex-shrink:0; }

.botao{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:'Source Sans 3', sans-serif; font-weight:600; font-size:0.94rem;
  padding:11px 18px; border-radius:9px; border:1px solid transparent; cursor:pointer;
  text-decoration:none;
}
.botao.primario{ background:var(--ac); color:#fff; }
.botao.primario:hover{ background:var(--ac-forte); }
.botao.secundario{ background:transparent; border-color:var(--linha); color:var(--tx); }
.botao.secundario:hover{ background:var(--ac-suave); border-color:transparent; }
.botao.perigo{ background:transparent; border-color:color-mix(in srgb, var(--err) 40%, transparent); color:var(--err); }
.botao.perigo:hover{ background:color-mix(in srgb, var(--err) 10%, transparent); }

/* ==== Tela de erro (login recusado / sessão) ==== */
.tela-erro{ min-height:100dvh; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--paper); }
.erro-card{
  width:100%; max-width:420px; background:var(--card); border:1px solid var(--linha);
  border-radius:18px; padding:36px 32px; box-shadow:var(--sombra); text-align:center;
}
.erro-icone{
  width:56px; height:56px; margin:0 auto 18px; border-radius:50%;
  background:color-mix(in srgb, var(--err) 14%, transparent); color:var(--err);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem;
}
.erro-card h1{ font-size:1.35rem; margin-bottom:10px; }
.erro-card p{ color:var(--muted); font-size:0.94rem; margin-bottom:24px; }

/* ==== Dashboard (sidebar + conteúdo) ==== */
.pagina-dashboard{ background:var(--paper); }
.app-shell{ display:flex; min-height:100dvh; }

.sidebar-fundo{ display:none; position:fixed; inset:0; background:rgba(13,13,13,0.5); z-index:40; }
.sidebar-fundo.aberto{ display:block; }

.sidebar{
  width:260px; flex-shrink:0;
  background:linear-gradient(160deg, var(--preto) 0%, var(--preto-2) 100%);
  display:flex; flex-direction:column; padding:24px 16px;
  position:sticky; top:0; height:100dvh;
}
.sidebar-marca{
  display:flex; align-items:center; gap:12px; padding:6px 10px 24px;
  border-bottom:1px solid rgba(255,255,255,0.1); margin-bottom:16px;
}
.sidebar-logo, .sidebar-logo-fallback{
  width:44px; height:44px; border-radius:11px; object-fit:cover; flex-shrink:0;
  background:linear-gradient(160deg, #171310, #0A0908);
  border:1px solid color-mix(in srgb, var(--ac) 30%, transparent);
}
.sidebar-logo-fallback{
  display:none; align-items:center; justify-content:center;
  color:var(--ac); font-family:'Fraunces', serif; font-weight:700; font-size:1.3rem;
}
.sidebar-marca span{
  font-family:'Fraunces', serif; font-weight:700; font-size:1.05rem; color:#fff;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}

.sidebar-nav{ display:flex; flex-direction:column; gap:2px; flex:1; }
.sidebar-nav a{
  display:flex; align-items:center; gap:12px; padding:11px 12px; border-radius:9px;
  color:rgba(255,255,255,0.66); text-decoration:none; font-size:0.94rem; font-weight:500;
  transition:background .15s ease, color .15s ease;
}
.sidebar-nav a svg{ flex-shrink:0; opacity:0.85; }
.sidebar-nav a:hover{ background:rgba(255,255,255,0.06); color:#fff; }
.sidebar-nav a.ativo{ background:color-mix(in srgb, var(--ac) 22%, transparent); color:#fff; }
.sidebar-nav a.ativo svg{ opacity:1; color:var(--ac); }

.sidebar-usuario{
  display:flex; align-items:center; gap:10px; padding:14px 10px 6px;
  border-top:1px solid rgba(255,255,255,0.1); margin-top:12px;
}
.sidebar-avatar{ width:36px; height:36px; border-radius:50%; object-fit:cover; flex-shrink:0; }
.sidebar-avatar-fallback{
  display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--ac) 30%, transparent); color:var(--ac);
  font-weight:700; font-family:'Fraunces', serif;
}
.sidebar-usuario-info{ min-width:0; flex:1; display:flex; flex-direction:column; }
.sidebar-usuario-info b{ color:#fff; font-size:0.86rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sidebar-usuario-info span{ color:rgba(255,255,255,0.5); font-size:0.76rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sidebar-sair{ color:rgba(255,255,255,0.5); flex-shrink:0; display:flex; padding:6px; border-radius:8px; }
.sidebar-sair:hover{ color:var(--ac); background:rgba(255,255,255,0.06); }

.conteudo{ flex:1; min-width:0; }

.topo-dashboard{
  display:none; align-items:center; gap:14px; padding:14px 20px;
  border-bottom:1px solid var(--linha); background:var(--card);
  position:sticky; top:0; z-index:20;
}
.topo-dashboard h1{ font-size:1.15rem; flex:1; }
.topo-avatar{ width:34px; height:34px; border-radius:50%; object-fit:cover; }
.topo-avatar-fallback{
  display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--ac) 16%, transparent); color:var(--ac-forte);
  font-weight:700; font-family:'Fraunces', serif; font-size:0.9rem;
}

.hamburguer{
  display:none; background:none; border:1px solid var(--linha); border-radius:8px;
  width:38px; height:38px; align-items:center; justify-content:center; cursor:pointer;
  color:var(--tx); flex-shrink:0; padding:0;
}
.hamburguer span, .hamburguer span::before, .hamburguer span::after{
  content:''; display:block; width:17px; height:2px; background:var(--tx); position:relative;
}
.hamburguer span::before{ position:absolute; top:-6px; }
.hamburguer span::after{ position:absolute; top:6px; }

.miolo{ padding:32px; max-width:1200px; }

.lista-toolbar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  flex-wrap:wrap; margin-bottom:20px;
}

.aviso-sucesso{
  background:color-mix(in srgb, var(--ac) 14%, transparent); border:1px solid color-mix(in srgb, var(--ac) 35%, transparent);
  color:var(--ac-forte); padding:10px 14px; border-radius:8px; font-size:0.9rem; margin-bottom:18px;
}

.vazio{ text-align:center; padding:64px 20px; color:var(--muted); }
.vazio p:first-child{ font-size:1.1rem; color:var(--tx); margin-bottom:6px; }

/* ==== Stat cards (resumo do dashboard) ==== */
.stat-grade{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:14px; margin-bottom:28px; }
.stat-card{ background:var(--card); border:1px solid var(--linha); border-radius:12px; padding:18px 20px; box-shadow:var(--sombra); }
.stat-card .num{ font-family:'IBM Plex Mono',monospace; font-size:1.7rem; font-weight:600; font-variant-numeric:tabular-nums; color:var(--tx); line-height:1.2; }
.stat-card .rotulo{ color:var(--muted); font-size:0.82rem; margin-top:4px; }

/* ==== Cards de empresa ==== */
.grade-empresas{ display:grid; grid-template-columns:repeat(auto-fill, minmax(260px,1fr)); gap:16px; }
.empresa-card{
  background:var(--card); border:1px solid var(--linha); border-radius:14px; padding:20px;
  box-shadow:var(--sombra); display:flex; flex-direction:column; gap:10px;
}
.empresa-card-topo{ display:flex; align-items:center; gap:12px; }
.empresa-cor-dot{ width:14px; height:14px; border-radius:50%; flex-shrink:0; box-shadow:0 0 0 3px color-mix(in srgb, currentColor 18%, transparent); }
.empresa-card h3{ font-size:1.05rem; margin:0; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.empresa-card .slug{ color:var(--muted); font-size:0.78rem; font-family:'IBM Plex Mono',monospace; }
.empresa-card .prompt-preview{
  color:var(--muted); font-size:0.85rem; line-height:1.5; margin:0;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.empresa-card .empresa-mensagens-count{
  display:flex; align-items:center; gap:6px; color:var(--muted); font-size:0.78rem; margin:0;
}
.empresa-card .acoes{ display:flex; gap:8px; margin-top:auto; padding-top:6px; flex-wrap:wrap; }
.empresa-card .acoes .botao{ flex:1 1 calc(50% - 4px); padding:8px 10px; font-size:0.85rem; white-space:nowrap; }
.empresa-card .acoes .botao-copiar-link.copiado{ color:var(--ac-forte); border-color:var(--ac-forte); }

.badge-status{
  display:inline-flex; align-self:flex-start; font-family:'IBM Plex Mono', monospace;
  font-size:10px; text-transform:uppercase; letter-spacing:0.05em;
  padding:3px 9px; border-radius:100px;
}
.badge-status.ativo{ background:color-mix(in srgb, var(--ac) 15%, transparent); color:var(--ac-forte); }
.badge-status.inativo{ background:color-mix(in srgb, var(--muted) 18%, transparent); color:var(--muted); }

/* ==== Formulários ==== */
.link-voltar{
  display:inline-flex; align-items:center; gap:6px; font-size:0.88rem; color:var(--muted);
  text-decoration:none; margin-bottom:20px;
}
.link-voltar:hover{ color:var(--tx); }

.form-central{ max-width:640px; margin:0 auto; }
.card-formulario{
  background:var(--card); border:1px solid var(--linha); border-radius:14px;
  padding:28px; box-shadow:var(--sombra);
}

.campo{ display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.campo label{ font-size:0.85rem; color:var(--muted); font-weight:600; }
.campo input, .campo select, .campo textarea{
  font:inherit; padding:11px 13px; border-radius:9px; border:1px solid var(--linha);
  background:var(--paper); color:var(--tx); width:100%;
}
.campo input:focus, .campo select:focus, .campo textarea:focus{ outline:2px solid var(--ac); outline-offset:1px; }
.campo input[name=nome]{ text-transform:uppercase; }
.campo textarea{ resize:vertical; min-height:140px; font-family:inherit; }
.campo .dica{ color:var(--muted); font-size:0.78rem; }
.campo input[type=color]{ width:64px; padding:4px; height:42px; cursor:pointer; }

.campo-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

.form-acoes{ display:flex; gap:12px; margin-top:22px; }
.form-acoes .botao{ flex:1; }

/* ==== Modal de confirmação (sem window.confirm) ==== */
.modal-fundo{
  display:none; position:fixed; inset:0; background:rgba(13,13,13,0.55);
  align-items:center; justify-content:center; z-index:60; padding:20px;
}
.modal-fundo.aberto{ display:flex; }
.modal-card{
  background:var(--card); border-radius:16px; padding:30px; max-width:380px; width:100%;
  text-align:center; box-shadow:var(--sombra-forte); border-top:4px solid var(--err);
}
.modal-icone{
  width:56px; height:56px; border-radius:50%; margin:0 auto 16px;
  display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--err) 14%, transparent); color:var(--err); font-size:1.3rem;
}
.modal-card h2{ font-size:1.2rem; margin-bottom:8px; }
.modal-card p{ color:var(--muted); font-size:0.92rem; }
.modal-botoes{ display:flex; gap:10px; margin-top:20px; }
.modal-botoes .botao{ flex:1; }

/* ==== Chat de teste ==== */
.chat-shell{ display:flex; flex-direction:column; height:calc(100dvh - 140px); max-width:640px; }
.chat-mensagens{
  flex:1; overflow-y:auto; padding:20px; display:flex; flex-direction:column; gap:10px;
  background:var(--card); border:1px solid var(--linha); border-radius:14px 14px 0 0; box-shadow:var(--sombra);
}
.chat-msg{ max-width:78%; padding:10px 14px; border-radius:14px; font-size:0.94rem; line-height:1.45; white-space:pre-wrap; }
.chat-msg.user{ align-self:flex-end; background:var(--empresa-cor, var(--ac)); color:#fff; border-bottom-right-radius:4px; }
.chat-msg.bot{ align-self:flex-start; background:var(--paper); border:1px solid var(--linha); border-bottom-left-radius:4px; }
.chat-msg.info{ align-self:center; background:color-mix(in srgb, var(--ac) 12%, transparent); color:var(--ac-forte); font-size:0.82rem; }
.chat-msg.erro{ align-self:center; background:color-mix(in srgb, var(--err) 12%, transparent); color:var(--err); font-size:0.82rem; }
.chat-form{
  display:flex; gap:10px; padding:14px; background:var(--card); border:1px solid var(--linha); border-top:none;
  border-radius:0 0 14px 14px;
}
.chat-form input{
  flex:1; font:inherit; padding:11px 14px; border-radius:10px; border:1px solid var(--linha);
  background:var(--paper); color:var(--tx);
}
.chat-form button{
  font:inherit; font-weight:600; padding:0 20px; border-radius:10px; border:none;
  background:var(--empresa-cor, var(--ac)); color:#fff; cursor:pointer;
}
.chat-form button:disabled{ opacity:0.5; cursor:default; }

/* ==== QR Code ==== */
.qrcode-central{ display:flex; flex-direction:column; align-items:center; gap:24px; padding:20px 0 40px; }
.qrcode-card{
  background:var(--card); border:1px solid var(--linha); border-radius:20px; padding:40px;
  box-shadow:var(--sombra); text-align:center; max-width:420px; width:100%;
  border-top:5px solid var(--empresa-cor, var(--ac));
}
.qrcode-marca{ color:var(--muted); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.06em; margin:0 0 6px; }
.qrcode-card h1{ font-size:1.5rem; margin-bottom:24px; }
.qrcode-img{ width:260px; height:260px; max-width:100%; border-radius:12px; }
.qrcode-instrucao{ color:var(--tx); font-weight:600; margin:22px 0 6px; }
.qrcode-link{ color:var(--muted); font-size:0.8rem; word-break:break-all; margin:0; }
.qrcode-acoes{ display:flex; gap:12px; }

@media print{
  .nao-imprimir, .sidebar, .sidebar-fundo, .topo-dashboard, .voltar-topo{ display:none !important; }
  .app-shell, .conteudo, .miolo{ display:block !important; padding:0 !important; margin:0 !important; height:auto !important; }
  body{ background:#fff; }
  .qrcode-card{ box-shadow:none; border:1px solid #ccc; margin:0 auto; }
}

/* ==== Chat público (link que a empresa divulga) ==== */
.pagina-chat-publico{ background:var(--paper); }
.tela-chat-publico{ min-height:100dvh; display:flex; flex-direction:column; max-width:640px; margin:0 auto; }

.chat-hero{
  position:relative; overflow:hidden; text-align:center;
  padding:36px 20px 28px;
  background:
    radial-gradient(120% 160% at 50% -20%, color-mix(in srgb, var(--empresa-cor, var(--ac)) 55%, transparent), transparent 60%),
    linear-gradient(160deg, var(--preto) 0%, var(--preto-2) 100%);
}
.chat-hero-brilho{
  position:absolute; inset:0;
  background:radial-gradient(60% 80% at 50% 0%, color-mix(in srgb, var(--empresa-cor, var(--ac)) 35%, transparent), transparent 70%);
  pointer-events:none;
}
.chat-hero-avatar-wrap{ position:relative; display:inline-flex; margin-bottom:14px; z-index:1; }
.chat-hero-avatar{
  width:72px; height:72px; border-radius:50%;
  background:var(--empresa-cor, var(--ac)); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:'Fraunces', serif; font-weight:700; font-size:1.9rem;
  box-shadow:0 0 0 4px rgba(255,255,255,0.12), var(--sombra-forte);
}
.chat-hero-selo{
  position:absolute; bottom:-2px; right:-4px; width:26px; height:26px; border-radius:50%;
  background:var(--preto); color:var(--ac); border:2px solid var(--preto-2);
  display:flex; align-items:center; justify-content:center;
}
.chat-hero h1{
  color:#fff; font-size:1.3rem; font-weight:700; position:relative; z-index:1;
}
.chat-hero-status{
  display:flex; align-items:center; justify-content:center; gap:6px;
  color:rgba(255,255,255,0.68); font-size:0.84rem; margin:6px 0 0; position:relative; z-index:1;
}
.ponto-online{ width:7px; height:7px; border-radius:50%; background:#4CD37B; display:inline-block; box-shadow:0 0 0 3px rgba(76,211,123,0.25); }

.chat-publico-mensagens{
  flex:1; overflow-y:auto; padding:20px; display:flex; flex-direction:column; gap:12px;
}

.chat-linha{ display:flex; align-items:flex-end; gap:8px; }
.chat-linha.user{ justify-content:flex-end; }
.chat-linha.bot{ justify-content:flex-start; }
.chat-avatar-mini{
  width:26px; height:26px; border-radius:50%; flex-shrink:0;
  background:var(--preto); color:var(--empresa-cor, var(--ac));
  display:flex; align-items:center; justify-content:center;
}
.chat-publico-mensagens .chat-msg{
  display:inline-block; max-width:78%; align-self:auto;
}
.chat-publico-mensagens .chat-msg.bot{ background:var(--card); }
.chat-publico-mensagens .chat-msg.user{ background:var(--empresa-cor, var(--ac)); }

.chat-digitando{ display:inline-flex; align-items:center; gap:4px; padding:14px 16px; }
.chat-digitando span{
  width:6px; height:6px; border-radius:50%; background:var(--muted); display:inline-block;
  animation:chatDigitando 1.1s infinite ease-in-out;
}
.chat-digitando span:nth-child(2){ animation-delay:0.15s; }
.chat-digitando span:nth-child(3){ animation-delay:0.3s; }
@keyframes chatDigitando{
  0%, 60%, 100%{ opacity:0.3; transform:translateY(0); }
  30%{ opacity:1; transform:translateY(-3px); }
}

.chat-form{
  display:flex; align-items:center; gap:10px; padding:14px 16px;
  background:var(--card); border-top:1px solid var(--linha);
}
.chat-form input{
  flex:1; font:inherit; padding:12px 16px; border-radius:100px; border:1px solid var(--linha);
  background:var(--paper); color:var(--tx);
}
.chat-form input:focus{ outline:2px solid var(--empresa-cor, var(--ac)); outline-offset:1px; }
.chat-form button{
  width:44px; height:44px; flex-shrink:0; border-radius:50%; border:none; cursor:pointer;
  background:var(--empresa-cor, var(--ac)); color:#fff;
  display:flex; align-items:center; justify-content:center;
  transition:transform .15s ease;
}
.chat-form button:hover{ transform:scale(1.06); }
.chat-form button:disabled{ opacity:0.5; cursor:default; transform:none; }

.chat-publico-rodape{
  display:flex; align-items:center; justify-content:center; gap:7px;
  text-align:center; color:var(--muted); font-size:0.76rem; padding:12px 16px 18px;
  background:var(--card); text-decoration:none;
}
.chat-publico-rodape img{
  width:20px; height:20px; border-radius:6px; flex-shrink:0;
  box-shadow:0 0 0 1px var(--linha);
}
.chat-publico-rodape span{ text-decoration:underline; font-weight:600; color:var(--tx); }
.chat-publico-rodape:hover span{ color:var(--empresa-cor, var(--ac-forte)); }

@media (max-width:480px){
  .chat-hero{ padding:28px 20px 22px; }
  .chat-hero-avatar{ width:64px; height:64px; font-size:1.6rem; }
}

/* ---- Botão voltar ao topo ---- */
.voltar-topo{
  position:fixed; right:20px; bottom:20px; width:44px; height:44px; border-radius:50%;
  background:var(--ac); color:#fff; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--sombra); opacity:0; pointer-events:none;
  transition:opacity .2s ease, transform .2s ease; z-index:50;
}
.voltar-topo.show{ opacity:1; pointer-events:auto; }
.voltar-topo:hover{ transform:translateY(-2px); }

/* ---- Responsivo ---- */
@media (max-width:900px){
  .tela-login{ flex-direction:column; min-height:auto; }
  .painel-marca{ max-width:none; flex:0 0 auto; padding:44px 24px 32px; gap:16px; }
  .marca-card{ padding:22px 26px; }
  .marca-logo, .marca-logo-fallback{ width:150px; height:150px; }
  .marca-logo-fallback span.grande{ font-size:2rem; }
  .painel-marca p{ display:none; }
  .painel-form{ flex:0 0 auto; justify-content:flex-start; padding:28px 20px 56px; }
}
@media (max-width:480px){
  .painel-marca{ padding:36px 18px 28px; }
  .marca-card{ padding:18px 20px; border-radius:18px; }
  .marca-logo, .marca-logo-fallback{ width:120px; height:120px; }
  .form-wrap h2{ font-size:1.45rem; }
  .botao-google{ padding:12px 14px; font-size:0.92rem; }
}

@media (max-width:960px){
  .topo-dashboard{ display:flex; }
  .hamburguer{ display:flex; }
  .sidebar{
    position:fixed; top:0; left:0; z-index:50; height:100dvh;
    transform:translateX(-100%); transition:transform .2s ease;
    box-shadow:var(--sombra-forte);
  }
  .sidebar.aberto{ transform:translateX(0); }
  .miolo{ padding:24px 18px; }
}
@media (max-width:640px){
  .campo-grid{ grid-template-columns:1fr; }
  .form-acoes{ flex-direction:column; }
  .card-formulario{ padding:20px; }
  .stat-grade{ grid-template-columns:1fr 1fr; }
  .chat-shell{ height:calc(100dvh - 120px); }
}