/* Canal de suporte — página pública. Estilo ERP: sóbrio, denso, sem enfeite. */
:root{
  --bg:#eef1f5; --card:#fff; --ink:#1f2933; --muted:#6b7280; --line:#e2e6eb;
  --accent:#1f4e79; --accent2:#1976d2; --ok:#2e7d32; --erro:#b91c1c; --aviso:#b45309;
  --raio:8px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Segoe UI',Roboto,Inter,system-ui,Arial,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.5; font-size:15px;
  -webkit-text-size-adjust:100%;
}
header.top{background:var(--accent);color:#fff;padding:20px}
header.top .wrap{width:100%;margin:0}
header.top h1{margin:0;font-size:20px;font-weight:600}
header.top p{margin:5px 0 0;font-size:13.5px;opacity:.88}
main{width:100%;margin:0;padding:20px 24px 60px}
footer{width:100%;margin:0;padding:0 24px 40px;color:var(--muted);font-size:12px;text-align:center}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--raio);padding:18px;margin-bottom:16px}
.card h2{margin:0 0 4px;font-size:15px;font-weight:600}
.card .sub{margin:0 0 14px;font-size:13.5px;color:var(--muted)}

label.f{display:block;font-size:13px;font-weight:600;margin:0 0 5px}
label.f .opc{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],textarea,select{
  width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:6px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff;
}
input:focus,textarea:focus,select:focus{outline:2px solid rgba(25,118,210,.35);outline-offset:0;border-color:var(--accent2)}
textarea{resize:vertical;min-height:140px}
.grade{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.grade .campo{min-width:0}
.campo+.campo{margin-top:0}
.linha{margin-bottom:14px}

/* Área de anexos */
.zona{
  border:2px dashed #c7d0da;border-radius:var(--raio);background:#fafbfc;
  padding:22px 16px;text-align:center;cursor:pointer;transition:.15s;
}
.zona:hover{border-color:var(--accent2);background:#f5f9ff}
.zona.sobre{border-color:var(--accent2);background:#e8f2ff}
.zona .icone{font-size:26px;line-height:1}
.zona b{display:block;margin-top:6px;font-size:14px}
.zona span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}

ul.arquivos{list-style:none;margin:12px 0 0;padding:0}
ul.arquivos li{
  display:flex;align-items:center;gap:10px;padding:8px;border:1px solid var(--line);
  border-radius:6px;margin-bottom:7px;background:#fff;
}
ul.arquivos .mini{width:38px;height:38px;border-radius:4px;object-fit:cover;background:#eef1f5;flex:0 0 38px}
ul.arquivos .ext{
  width:38px;height:38px;border-radius:4px;background:#eef1f5;color:var(--muted);flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:700;text-transform:uppercase;
}
ul.arquivos .nome{flex:1;min-width:0;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
ul.arquivos .tam{font-size:12px;color:var(--muted);white-space:nowrap}
ul.arquivos .tirar{
  border:0;background:transparent;color:var(--muted);font-size:18px;cursor:pointer;padding:2px 6px;line-height:1;
}
ul.arquivos .tirar:hover{color:var(--erro)}

button.principal{
  background:var(--accent2);color:#fff;border:0;border-radius:6px;padding:12px 22px;
  font-size:15px;font-weight:600;cursor:pointer;width:100%;
}
button.principal:hover{background:#125aa8}
button.principal:disabled{opacity:.6;cursor:default}

.barra{height:6px;background:#e5e9ef;border-radius:4px;overflow:hidden;margin-top:12px;display:none}
.barra.on{display:block}
.barra i{display:block;height:100%;width:0;background:var(--accent2);transition:width .2s}

#status{display:block;margin-top:12px;font-size:14px;min-height:20px}
#status.erro{color:var(--erro)} #status.ok{color:var(--ok)} #status.neutro{color:var(--muted)}

/* Tela de sucesso */
.sucesso{display:none;text-align:center;padding:26px 18px}
.sucesso.on{display:block}
.sucesso .marca{font-size:38px;line-height:1}
.sucesso h2{margin:10px 0 4px;font-size:19px}
.sucesso p{margin:0 0 16px;color:var(--muted);font-size:14px}
.protocolo{
  display:inline-flex;align-items:center;gap:10px;background:#f5f8fc;border:1px solid var(--line);
  border-radius:6px;padding:12px 16px;font-size:20px;font-weight:700;letter-spacing:.5px;
  font-family:'Consolas','SF Mono',monospace;
}
.protocolo button{border:0;background:var(--accent2);color:#fff;border-radius:4px;padding:6px 11px;font-size:12.5px;cursor:pointer}
.aviso-recusados{margin-top:14px;color:var(--aviso);font-size:13px}
.acoes{margin-top:20px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.acoes a,.acoes button{
  border:1px solid var(--line);background:#fff;color:var(--accent2);border-radius:6px;
  padding:9px 16px;font-size:13.5px;cursor:pointer;text-decoration:none;font-weight:600;
}
.acoes a:hover,.acoes button:hover{background:#f5f8fc}

.rodape-link{text-align:center;margin:0 0 6px;font-size:14px}
.rodape-link a{color:var(--accent2);text-decoration:none;font-weight:600}
.rodape-link a:hover{text-decoration:underline}

@media (max-width:640px){
  body{font-size:15px}
  main{padding:16px 14px 50px}
  .card{padding:15px}
  .grade{grid-template-columns:1fr;gap:12px}
  header.top{padding:16px 14px}
  header.top h1{font-size:18px}
  .protocolo{font-size:17px;flex-wrap:wrap;justify-content:center}
}