:root {
  --azul: #2F5496;
  --azul-escuro: #1f3a6b;
  --verde: #2e7d32;
  --vermelho: #c62828;
  --cinza-fundo: #f4f6f9;
  --cinza-borda: #d9dee6;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
  background: var(--cinza-fundo);
  color: #1c2530;
}
header.topo {
  background: var(--azul);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
header.topo a { color: #fff; text-decoration: none; }
.link-botao {
  background: none; border: none; padding: 0; margin: 0; cursor: pointer;
  color: inherit; font: inherit; text-decoration: none;
}
.link-botao:hover { text-decoration: underline; }
header.topo .marca { font-weight: 700; font-size: 1.1rem; }
nav.menu { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
nav.menu a { opacity: 0.9; font-size: 0.95rem; }
nav.menu a:hover { opacity: 1; text-decoration: underline; }
main { max-width: 1180px; margin: 24px auto; padding: 0 20px 60px; }
h1 { font-size: 1.4rem; margin-bottom: 18px; }
h2 { font-size: 1.15rem; margin: 24px 0 10px; }
.card {
  background: #fff;
  border: 1px solid var(--cinza-borda);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--cinza-borda); text-align: left; }
th { background: #eef1f6; font-weight: 600; }
tr:hover td { background: #fafbfd; }
.valor-positivo { color: var(--verde); font-weight: 600; }
.valor-negativo { color: var(--vermelho); font-weight: 600; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 12px; font-size: 0.78rem; font-weight: 600; }
.badge-pendente { background: #fff3cd; color: #7a5b00; }
.badge-validada { background: #d4edda; color: #1e5b27; }
.badge-em_pagamento { background: #d6e4f5; color: #1f3a6b; }
.badge-paga { background: #e2e3e5; color: #444; }
.badge-anulada { background: #f8d7da; color: #842029; text-decoration: line-through; }
.btn {
  display: inline-block;
  background: var(--azul);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.92rem;
}
.btn:hover { background: var(--azul-escuro); }
.btn-secundario { background: #6c757d; }
.btn-verde { background: var(--verde); }
.btn-vermelho { background: var(--vermelho); }
input, select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--cinza-borda);
  border-radius: 6px;
  font-size: 0.92rem;
  width: 100%;
}
label { display: block; margin-bottom: 4px; font-weight: 600; font-size: 0.88rem; }
.form-linha { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; align-items: end; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 0.92rem; }
.flash-sucesso { background: #d4edda; color: #1e5b27; }
.flash-erro { background: #f8d7da; color: #842029; }
.flash-info { background: #d6e4f5; color: #1f3a6b; }
.login-box { max-width: 380px; margin: 80px auto; }
.muted { color: #6c7787; font-size: 0.85rem; }
.tag-obs { font-size: 0.82rem; color: #7a5b00; background: #fff8e1; padding: 4px 8px; border-radius: 5px; display: inline-block; margin-top: 4px;}