/* ===========================================================================
   AQUALIFE — identidade visual
   Sóbrio, profissional. Empresa de aquarismo, não ferramenta genérica.
   Paleta: azuis profundos de água + areia clara. Tipografia limpa.
   =========================================================================== */
:root{
  --tinta:#12333F;        /* azul-petróleo escuro (texto, cabeçalhos) */
  --corpo:#3A5561;        /* cinza-azulado (texto corrido) */
  --suave:#6B8591;        /* legendas */
  --linha:#DCE6EA;        /* bordas */
  --papel:#F4F8F9;        /* fundo da página */
  --branco:#FFFFFF;
  --agua:#1B6E8C;         /* azul-água (marca, links) */
  --agua-esc:#125265;
  --agua-clr:#E8F2F5;     /* fundo suave azul */
  --areia:#C9A227;        /* dourado discreto (detalhes) */
  --ok:#2E7D55;
  --atencao:#B8860B;
  --alerta:#C05621;
  --critico:#B23A2E;
  --sombra:0 1px 3px rgba(18,51,63,.06), 0 8px 22px -12px rgba(18,51,63,.14);
  --sombra-f:0 10px 34px -12px rgba(18,51,63,.24);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--corpo); background:var(--papel); line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--tinta);font-weight:600;line-height:1.25;letter-spacing:-.01em}
a{color:var(--agua);text-decoration:none}
a:hover{color:var(--agua-esc)}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ── cabeçalho ── */
.topo{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--linha);
}
.topo-in{height:68px;display:flex;align-items:center;gap:28px}
.marca{display:flex;align-items:center;gap:11px;flex-shrink:0}
.marca-i{
  width:38px;height:38px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(150deg,#2C93B5,var(--agua-esc));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:19px;
  font-family:Georgia,serif;
}
.marca-t{font-family:Georgia,'Times New Roman',serif;font-weight:600;
  font-size:19px;color:var(--tinta);line-height:1}
.marca-t small{display:block;font-family:'Inter',sans-serif;font-size:9px;
  letter-spacing:.22em;color:var(--suave);font-weight:500;margin-top:2px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:9px 14px;border-radius:8px;color:var(--corpo);font-size:14.5px;
  font-weight:500;transition:.15s}
.nav a:hover{background:var(--agua-clr);color:var(--agua-esc)}
.nav a.ativo{background:var(--agua-clr);color:var(--agua-esc);font-weight:600}

/* ── botões ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
  font-family:inherit;cursor:pointer;border:none;transition:.16s;white-space:nowrap}
.btn-p{background:var(--agua);color:#fff}
.btn-p:hover{background:var(--agua-esc)}
.btn-c{background:var(--branco);color:var(--tinta);border:1.5px solid var(--linha)}
.btn-c:hover{border-color:var(--agua)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{height:38px;padding:0 15px;font-size:13.5px}

/* ── cartões ── */
.cartao{background:var(--branco);border:1px solid var(--linha);border-radius:13px;
  box-shadow:var(--sombra)}
.cartao-p{padding:24px}

/* ── formulários ── */
.campo{margin-bottom:16px}
.campo label{display:block;font-size:13.5px;font-weight:600;color:var(--tinta);margin-bottom:6px}
.inp{width:100%;height:46px;border:1.5px solid var(--linha);border-radius:9px;
  padding:0 14px;font-family:inherit;font-size:15px;color:var(--tinta);
  background:var(--branco);transition:.15s}
.inp:focus{outline:none;border-color:var(--agua);box-shadow:0 0 0 3px var(--agua-clr)}
textarea.inp{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.55}
select.inp{cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%236B8591' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center}

/* ── selo de saúde/urgência ── */
.selo{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:6px}
.selo-ok{background:#2E7D5514;color:var(--ok)}
.selo-atencao{background:#B8860B14;color:var(--atencao)}
.selo-alerta{background:#C0562114;color:var(--alerta)}
.selo-critico{background:#B23A2E14;color:var(--critico)}

/* ── nota grande (o número de saúde) ── */
.nota-g{font-family:Georgia,serif;font-weight:700;line-height:1}

/* ── mensagens de estado ── */
.vazio{text-align:center;padding:50px 24px;color:var(--suave)}
.erro-cx{background:#B23A2E0D;border-left:3px solid var(--critico);color:var(--critico);
  padding:12px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}

/* ── rodapé ── */
.rodape{background:var(--tinta);color:rgba(255,255,255,.6);margin-top:70px;
  padding:40px 0;font-size:14px}
.rodape a{color:rgba(255,255,255,.8)}

@media(max-width:820px){
  .nav{display:none}
  .topo-in{gap:14px}
}

/* ── extensões Railway ── */
.erro-cx{background:#B23A2E0D;border-left:3px solid var(--critico);color:var(--critico);
  padding:12px 16px;border-radius:0 8px 8px 0;font-size:14px;margin-bottom:16px}
.ok-cx{background:#2E7D550D;border-left:3px solid var(--ok);color:var(--ok);
  padding:12px 16px;border-radius:0 8px 8px 0;font-size:14px;margin-bottom:16px}
.spin{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;animation:giro .6s linear infinite;vertical-align:middle;margin-right:6px}
@keyframes giro{to{transform:rotate(360deg)}}
.badge-nota{display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:50%;font-family:Georgia,serif;font-weight:700;font-size:20px;
  border:2.5px solid currentColor}
.urgencia-ok     .badge-nota{color:var(--ok)}
.urgencia-atencao .badge-nota{color:var(--atencao)}
.urgencia-alerta  .badge-nota{color:var(--alerta)}
.urgencia-critico .badge-nota{color:var(--critico)}