:root{ --azul:#1F538D; --azul-esc:#163d6a; --cinza:#F0F4F8; --txt:#22303f; }
*{ box-sizing:border-box; }
body{ margin:0; font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--txt); background:var(--cinza); }

.topo{ background:var(--azul); color:#fff; display:flex; align-items:center;
  justify-content:space-between; padding:14px 18px; }
.topo .brand{ font-weight:700; letter-spacing:.3px; }
.topo .user{ display:flex; align-items:center; gap:12px; font-size:.9rem; }
.topo .sair{ color:#fff; text-decoration:none; border:1px solid rgba(255,255,255,.5);
  padding:5px 12px; border-radius:8px; }
.topo .sair:hover{ background:rgba(255,255,255,.15); }

.container{ max-width:680px; margin:0 auto; padding:18px 16px 40px; }
h1{ font-size:1.4rem; margin:12px 4px; }
h2{ font-size:1.05rem; margin:18px 4px 8px; color:var(--azul); }

.flash{ background:#FFEBEE; color:#C62828; border:1px solid #ef9a9a;
  padding:10px 14px; border-radius:10px; margin-bottom:14px; }

.card{ background:#fff; border-radius:14px; box-shadow:0 1px 4px rgba(0,0,0,.08); }
.card.login{ max-width:380px; margin:8vh auto 0; padding:26px 24px; }
.card.login h1{ margin:0 0 4px; } .card.login .sub{ color:#607d8b; margin:0 0 18px; }
.card.login label{ display:block; font-size:.85rem; color:#546e7a; margin:12px 0 4px; }
.card.login input{ width:100%; padding:12px; border:1px solid #cfd8dc; border-radius:10px;
  font-size:1rem; }
.card.login button{ width:100%; margin-top:20px; padding:13px; border:0; border-radius:10px;
  background:var(--azul); color:#fff; font-size:1rem; font-weight:600; cursor:pointer; }
.card.login button:hover{ background:var(--azul-esc); }

.cards{ display:flex; gap:12px; margin:6px 0 6px; }
.card.mini{ flex:1; padding:14px 16px; display:flex; flex-direction:column; gap:4px; }
.card.mini span{ font-size:.8rem; color:#607d8b; }
.card.mini b{ font-size:1.2rem; }
.card.mini.aberto b{ color:#C62828; } .card.mini.pago b{ color:#2E7D32; }

.lista{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.item{ background:#fff; border-radius:12px; padding:12px 14px;
  box-shadow:0 1px 3px rgba(0,0,0,.06); border-left:4px solid #90a4ae; }
.item.atrasado{ border-left-color:#C62828; }
.lista.pagas .item{ border-left-color:#2E7D32; }
.ln1{ display:flex; justify-content:space-between; align-items:baseline; }
.ln1 .valor{ font-weight:700; }
.ln2{ font-size:.85rem; color:#607d8b; margin-top:3px; }
.tag-atraso{ background:#C62828; color:#fff; font-size:.7rem; font-weight:700;
  padding:2px 7px; border-radius:6px; margin-left:6px; }
.ln3{ margin-top:10px; display:flex; gap:8px; flex-wrap:wrap; }
.btn-boleto{ background:var(--azul); color:#fff; text-decoration:none;
  padding:8px 14px; border-radius:8px; font-size:.85rem; font-weight:600; }
.btn-boleto:hover{ background:var(--azul-esc); }
.copiar{ background:#fff; border:1px solid var(--azul); color:var(--azul);
  padding:8px 12px; border-radius:8px; font-size:.85rem; cursor:pointer; }
.copiar:hover{ background:#E3F2FD; }

.vazio{ color:#607d8b; padding:8px 4px; }
.sync{ text-align:center; color:#90a4ae; font-size:.78rem; margin-top:24px; }
.rodape{ text-align:center; color:#90a4ae; font-size:.78rem; padding:18px; }