:root {
  --azul: #1d4ed8;
  --azul-escuro: #1e3a8a;
  --cinza-claro: #f3f4f6;
  --cinza-borda: #e5e7eb;
  --texto: #111827;
  --muted: #6b7280;
  --vermelho: #dc2626;
  --verde: #16a34a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--cinza-claro);
  color: var(--texto);
}

.oculto { display: none !important; }

.tela { min-height: 100vh; }

#tela-login {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.cartao {
  background: #fff;
  border: 1px solid var(--cinza-borda);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.cartao-login {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cartao-login h1 { margin: 0; color: var(--azul-escuro); }
.subtitulo { margin: 0 0 8px; color: var(--muted); font-size: 14px; }

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
}

input, select {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--cinza-borda);
  border-radius: 8px;
}

button {
  font: inherit;
  font-weight: 600;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: var(--azul);
  color: #fff;
  cursor: pointer;
}
button:hover { background: var(--azul-escuro); }
button.secundario { background: #fff; color: var(--texto); border: 1px solid var(--cinza-borda); }
button.perigo { background: var(--vermelho); }

.erro { color: var(--vermelho); font-size: 13px; margin: 0; }
.muted { color: var(--muted); font-size: 13px; }

.topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: #fff;
  border-bottom: 1px solid var(--cinza-borda);
}
.topo strong { display: block; color: var(--azul-escuro); }
.topo nav { display: flex; gap: 8px; flex: 1; justify-content: center; }
.topo nav button { background: transparent; color: var(--texto); font-weight: 600; }
.topo nav button.ativo { background: var(--cinza-claro); }

.conteudo { padding: 24px; max-width: 1100px; margin: 0 auto; }

.secao-cabecalho {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tabela {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--cinza-borda);
  border-radius: 8px;
  overflow: hidden;
}
.tabela th, .tabela td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--cinza-borda);
  font-size: 14px;
}
.tabela th { background: var(--cinza-claro); font-weight: 700; }
.tabela tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge-ativo { background: #dcfce7; color: var(--verde); }
.badge-inativo { background: #fee2e2; color: var(--vermelho); }

.acoes-linha { display: flex; gap: 6px; }
.acoes-linha button { padding: 6px 10px; font-size: 13px; }

.modal-fundo {
  position: fixed; inset: 0;
  background: rgba(17,24,39,0.5);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  z-index: 50;
}
.modal-caixa {
  width: 100%; max-width: 440px;
  display: flex; flex-direction: column; gap: 12px;
}
.modal-caixa h3 { margin: 0; }
.modal-botoes { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }