:root{
  --ink:#1e2a32; --paper:#faf9f6; --surface:#ffffff; --line:#e7e6df;
  --text:#232a2f; --muted:#6a7480; --accent:#2f6d54; --accent-d:#255a44;
  --danger:#a23b2d; --warn:#a9791f; --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.5}
a{color:var(--accent-d);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:1.5rem;letter-spacing:-.01em;margin:0 0 .25rem} h2{font-size:1.05rem;margin:1.5rem 0 .5rem}
.muted{color:var(--muted)}

/* topo */
.topo{display:flex;align-items:center;gap:1.5rem;background:var(--ink);color:#eef1ef;padding:0 1.25rem;height:56px}
.topo-marca{font-weight:700;letter-spacing:.04em} .topo-marca span{font-weight:400;opacity:.7;margin-left:.35rem}
.abas{display:flex;gap:.25rem;margin-left:.5rem;flex:1}
.abas a{color:#c8d0cd;padding:.5rem .8rem;border-radius:6px;font-size:.92rem}
.abas a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.abas a.ativa{background:var(--accent);color:#fff}
.topo-user{display:flex;align-items:center;gap:1rem;font-size:.9rem;color:#c8d0cd}
.topo-user .sair{color:#c8d0cd;border:1px solid rgba(255,255,255,.25);padding:.25rem .6rem;border-radius:6px}

.conteudo{max-width:1080px;margin:1.75rem auto;padding:0 1.25rem}

/* login */
.tela-login{display:grid;place-items:center;min-height:100vh;background:var(--ink)}
.cartao-login{background:var(--surface);padding:2rem;border-radius:12px;width:min(360px,92vw);box-shadow:0 10px 40px rgba(0,0,0,.25)}
.marca{margin-bottom:1.25rem} .marca-nome{font-size:1.6rem;font-weight:700;letter-spacing:.02em}
.marca-sub{display:block;color:var(--muted);font-size:.9rem}
.cartao-login label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.75rem}
.cartao-login input{display:block;width:100%;margin-top:.25rem;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font-size:1rem}
button{background:var(--accent);color:#fff;border:0;padding:.6rem 1rem;border-radius:8px;font-size:.95rem;cursor:pointer}
button:hover{background:var(--accent-d)}
.alerta{background:#fbeae7;color:var(--danger);padding:.6rem .8rem;border-radius:8px;font-size:.9rem}
.ok{background:#e8f3ec;color:var(--accent-d);padding:.6rem .8rem;border-radius:8px;font-size:.9rem}

/* cards / dashboard */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1rem 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem}
.card .num{font-size:1.7rem;font-weight:700;font-family:var(--mono)} .card .rot{color:var(--muted);font-size:.85rem}

/* tabelas */
table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.92rem}
th,td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--line)}
th{background:#f3f2ec;font-weight:600;color:#3a444c;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
tr:last-child td{border-bottom:0} td.val{font-family:var(--mono);text-align:right;white-space:nowrap}
.tag{font-size:.72rem;padding:.15rem .5rem;border-radius:999px;font-weight:600}
.tag.aberto{background:#fdf2dc;color:var(--warn)} .tag.pago{background:#e8f3ec;color:var(--accent-d)}
.tag.venc{background:#fbeae7;color:var(--danger)}
.busca{display:flex;gap:.5rem;margin:1rem 0}
.busca input{flex:1;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px}
.acao{padding:.3rem .6rem;font-size:.82rem;border-radius:6px}
.vazio{background:var(--surface);border:1px dashed var(--line);border-radius:10px;padding:2rem;text-align:center;color:var(--muted)}
form.baixa{display:flex;gap:.4rem;align-items:center;flex-wrap:wrap}
form.baixa input,form.baixa select{padding:.35rem .5rem;border:1px solid var(--line);border-radius:6px;font-size:.85rem}
@media(max-width:640px){.abas{display:none}.topo-marca{flex:1}}