:root{
  --bg:#f6f7f9; --card:#fff; --txt:#111827; --mut:#6b7280; --bd:#e5e7eb;
  --ac:#2563eb; --ac2:#1d4ed8; --roxo:#7c3aed; --amb:#d97706; --vm:#dc2626; --vd:#059669;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased}
body.centro{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
main{max-width:940px;margin:24px auto 60px;padding:0 18px}

/* topo */
.topo{display:flex;justify-content:space-between;align-items:center;gap:14px;
  background:var(--card);border-bottom:1px solid var(--bd);padding:14px 22px;flex-wrap:wrap}
.topo .marca{font-weight:650;letter-spacing:-.01em}
.topo .dom{color:var(--mut);font-size:14px}

/* cartoes */
.cartao{background:var(--card);border:1px solid var(--bd);border-radius:14px;
  padding:20px 22px;margin-bottom:16px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.cartao.estreito{width:100%;max-width:390px}
h1{font-size:21px;margin:0 0 6px;letter-spacing:-.02em}
h2{font-size:13px;margin:0 0 16px;text-transform:uppercase;letter-spacing:.6px;color:var(--mut);font-weight:600}

/* formularios */
label{display:block;font-size:13px;color:var(--mut);margin:0 0 5px}
input,select{width:100%;padding:9px 11px;border:1px solid var(--bd);border-radius:9px;
  font:inherit;background:#fff;color:var(--txt)}
select{cursor:pointer;appearance:none;padding-right:30px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 11px center}
input:focus,select:focus{outline:2px solid var(--ac);outline-offset:-1px;border-color:var(--ac)}
.btn{padding:9px 17px;border:0;border-radius:9px;background:var(--ac);color:#fff;
  font:inherit;font-weight:550;cursor:pointer;white-space:nowrap;transition:background .15s}
.btn:hover{background:var(--ac2)}
.btn.sec{background:#f1f3f5;color:var(--txt);border:1px solid var(--bd)}
.btn.sec:hover{background:#e8eaed}
.btn.ruim{background:var(--vm)}
.btn.peq{padding:7px 13px;font-size:13.5px}
.btn.bloco{width:100%;margin-top:16px}
.linha{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}
.juntos{display:flex}
.juntos input{border-radius:9px 0 0 9px;border-right:0}
.sufixo{display:flex;align-items:center;padding:0 11px;border:1px solid var(--bd);
  border-radius:0 9px 9px 0;background:#f9fafb;color:var(--mut);white-space:nowrap;font-size:14px}
.mut{color:var(--mut);font-size:13.5px}

/* avisos */
.aviso{padding:11px 15px;border-radius:10px;margin-bottom:16px;font-size:14px}
.aviso.bom{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.aviso.ruim{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.aviso.neutro{background:#f9fafb;color:#374151;border:1px solid var(--bd)}

/* espaco do servidor */
.medidor{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;margin-bottom:12px}
.medidor .num{font-size:30px;font-weight:650;letter-spacing:-.03em;line-height:1}
.medidor .de{color:var(--mut);font-size:14px}
.barra{background:#eef0f3;border-radius:99px;overflow:hidden;position:relative}
.barra.grossa{height:16px}
.barra.fina{height:7px}
.barra.conta{height:5px;margin-top:9px}
.preenche{height:100%;border-radius:99px;background:var(--ac);
  transition:width .4s ease;min-width:3px}
.preenche.reserva{background:var(--roxo)}
.preenche.atencao{background:var(--amb)}
.preenche.estouro{background:var(--vm)}
.legenda{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--mut)}
.legenda i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px}
.legenda .c1{background:var(--ac)}.legenda .c2{background:var(--roxo)}
.reservado{margin:18px 0 7px;font-size:13.5px;color:var(--mut)}

/* contas */
.conta .cabeca{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.conta .endereco{font-size:16.5px;font-weight:600;letter-spacing:-.01em;word-break:break-all}
.conta .uso{font-size:13.5px;color:var(--mut);margin-top:3px}
.conta .uso b{color:var(--txt);font-weight:600}
.conta .grafico{flex:1;min-width:230px}
.acoes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--bd)}
.campo{display:flex;gap:8px;align-items:flex-end}
.campo>div{flex:1}
.perigo{grid-column:1/-1;margin-top:2px}
.perigo summary{cursor:pointer;font-size:13px;color:var(--vm);padding:4px 0;user-select:none;
  list-style:none;display:inline-block}
.perigo summary::-webkit-details-marker{display:none}
.perigo summary::before{content:"⚠ ";}
.perigo[open] summary{margin-bottom:10px}
.perigo .campo{max-width:520px}